CN106073868A - A kind of medical load-engaging device - Google Patents
A kind of medical load-engaging device Download PDFInfo
- Publication number
- CN106073868A CN106073868A CN201610538689.2A CN201610538689A CN106073868A CN 106073868 A CN106073868 A CN 106073868A CN 201610538689 A CN201610538689 A CN 201610538689A CN 106073868 A CN106073868 A CN 106073868A
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- China
- Prior art keywords
- core bar
- line
- wire casing
- bag mouth
- engaging device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00358—Snares for grasping
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of medical load-engaging device, including: bag, described bag has blind end and opening；Bag mouth tightens up line, and described bag mouth tightens up the one end opening through described bag of line；Core bar assembly, described bag mouth tightens up the other end far-end along the proximal extension extremely described core bar assembly of described core bar assembly of line；Handle, described handle is connected with the far-end of described core bar assembly, and described bag mouth tightens up the other end of line and forms slip-knot at described handle.Medical load-engaging device according to the present invention, bag is detachable to be connected on medical load-engaging device, bag mouth tightens up the slip-knot of line all the time outside trocar sheath, doctor can need to untie at any time slip-knot by operation, and then bag and bag mouth are tightened up line separate from medical load-engaging device, be conducive to quickly obtaining specimen, reduce patient suffering, can effectively shorten specimen take-off time.
Description
Technical field
The present invention relates to a kind of surgical instruments, in particular to a kind of medical load-engaging device, belong to medical instruments field.
Background technology
Laparoscopic surgery has that the time is short, wound is little, painful light, recover the advantage such as fast, cured by increasing surgery
Life uses and is easily accepted by the patient.In endoscope-assistant surgery, by being inserted in the puncture outfit casing tube on human body skin operative incision, by micro-
Invasive procedures apparatus stretches into intraperitoneal and operates, and likely can excise or take out the specimen of different size and character in operation, than
Such as tumor tissues, calculus, foreign body etc.；The specimen of excision is the quickest, complete and is safely extracted out, and is the important ring of successful surgery
Joint.
Medical load-engaging device is just specific to the operational requirements of laparoscopic surgery and develops, can be by excision thing
(such as malignant tumor, capsule, the purulence excision tissue such as thing and endometrium) disposably takes out, and effectively prevents pathological tissues with healthy
Contact tissue, it is to avoid pathology remains, can not only reduce operating difficulty, saves operating time, improves procedure efficiency, and is conducive to
Patient postoperative rehabilitation, reduces post-surgical infection's risk, saves a large amount of recessive medical expense for patient.
In prior art, the medical load-engaging device used clinically, core bar is provided with bag mouth and tightens up the stopper slot of line and consolidate
Determining hole, it is all formation slip-knot on core bar center outer surface that bag mouth tightens up line, and slip-knot is between core bar and trocar sheath, so
When needing that bag is departed from core bar after obtaining specimen, it is necessary to destroy trocar sheath or mobile core bar, make slip-knot expose trocar sheath,
Can untie slip-knot, and then make bag depart from core bar, structure is complicated, it is very inconvenient to solve line, and it is the most unnecessary to bring to operation process
Trouble.
Summary of the invention
For the deficiencies in the prior art, it is desirable to provide a kind of reasonable in design, reliable, technique is simple, it is easy to
Solve the medical load-engaging device of line operation.The present invention is achieved by the following technical solutions:
A kind of medical load-engaging device, including: bag, described bag has blind end and opening；Bag mouth tightens up line, described
Bag mouth tightens up the one end opening through described bag of line；Core bar assembly, described bag mouth tightens up the other end of line along described core
The far-end of the proximal extension of bar assembly extremely described core bar assembly；Handle, described handle is connected with the far-end of described core bar assembly, institute
State bag mouth to tighten up after line tightens up at described handle, to form slip-knot.
Described bag mouth tightens up the other end of line and self forms slip-knot at described handle.
Described core bar assembly includes that core bar and fixed cell, described fixed cell are provided with the first wire casing, and described bag mouth is received
Stringing extends to the near-end of described core bar through described first wire casing.
Described bag mouth tightens up line and extends to the far-end of described core bar from the near-end of described core bar along the outer surface of described core bar.
Described core bar assembly includes core bar, is provided with the second wire casing, is provided with at least one axle in described core bar in described core bar
To through hole to form the second wire casing, described bag mouth tightens up line and extends to institute along from the near-end of described core bar through described second wire casing
State the far-end of core bar.
The central axis of described axially extending bore and the central axes of described core bar.
Described handle is provided with the 3rd wire casing, and described bag mouth tightens up line and forms slip-knot after described 3rd wire casing.
Described core bar assembly includes that core bar and fixed cell, described fixed cell are provided with the first wire casing, in described core bar
It is provided with at least one axially extending bore to form the second wire casing；Described handle is provided with the 3rd wire casing；The center of described first wire casing
Axis, the central axis of described second wire casing, the central axis of described 3rd wire casing all overlap.
A kind of medical load-engaging device, also includes that trocar sheath, described core bar assembly can stretch in described trocar sheath, can be along described
Trocar sheath moves axially, and can be along the center axis thereof of described core bar assembly in trocar sheath.
Described core bar assembly includes core bar, and the wall of described core bar is additionally provided with storage through hole, and described bag mouth tightens up the another of line
After one end forms slip-knot, end is taken in the storage through hole on described core bar.
According to the medical load-engaging device of the present invention, bag is detachable to be connected on medical load-engaging device, and bag mouth tightens up line
Slip-knot be always positioned at outside trocar sheath, doctor can need to untie at any time slip-knot according to operation, and then bag and bag mouth are tightened up line
Separate from medical load-engaging device, be conducive to quickly obtaining specimen, reduce patient suffering, when can effectively shorten specimen taking-up
Between.
Accompanying drawing explanation
Fig. 1 is the state diagram before medical load-engaging device according to embodiments of the present invention uses；
Fig. 2 is the state diagram during medical load-engaging device according to embodiments of the present invention uses；
Fig. 3 is the decomposing schematic representation of the medical load-engaging device according to the embodiment of the present invention；
Fig. 4 is the core bar assembly according to the embodiment of the present invention and the decomposing schematic representation of supporting mechanism cooperation；
Fig. 5 is the decomposition enlarged diagram of fixed cell；
Fig. 6 is the central axis section view tightening up line wire casing along bag mouth of medical load-engaging device according to embodiments of the present invention
Figure；
Fig. 7 is the schematic diagram of the supporting mechanism of the medical load-engaging device according to the embodiment of the present invention；
Fig. 8 is the close-up schematic view of structure at A in Fig. 7；
Fig. 9 be the supporting mechanism of medical load-engaging device according to embodiments of the present invention coordinate with core bar assembly recessed along first
The axial sectional view of groove, in order to clearly show that assembly relation, eliminates parts thereof in figure；
Figure 10 is the partial enlarged drawing of structure at B in Fig. 9.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Retouching in the present invention
In stating, it is to be understood that term " near-end ", " far-end ", " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness
Degree ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ",
Orientation or the position relationship of the instruction such as " counterclockwise ", " axially ", " radially ", " circumferential " are based on orientation shown in the drawings or position
Relation, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have
Have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for solving
Release the present invention, and be not considered as limiting the invention.
As shown in Figure 1 to Figure 3, the medical load-engaging device of the embodiment of the present invention, comprise bag 1, supporting mechanism 2, core bar group
Part 3, trocar sheath 4, handle 5, bag mouth tighten up line 6, handle 7.
As in figure 2 it is shown, bag 1 has open end 11 and blind end 12, the inner wall material of bag 1 is of fine quality selects TPU (i.e. thermoplasticity
Polyurethane), the edge of bag 1 open end 11 forms nonocclusive annular through hot sealing process after being folded into bilayer in bag 1 and leads to
Road 111, bag mouth tightens up one end of line 6 and penetrates at the non-close of nonocclusive circular passage 111, and leads to from nonocclusive annular
Passing at another non-close in road 111, the other end tightening up line 6 at the non-close of circular passage with bag mouth forms Grapevine knot；
One end 211,221 of supporting mechanism 2 penetrates this nonocclusive ring respectively at two non-close of nonocclusive circular passage 111
In shape passage 111.Because bag 1 enters intraperitoneal, the outer wall of bag 1 needs and bioresorbable, need to possess waterproof, moisture proof, oxygen
Change the characteristics such as rotten, therefore the outer wall material of bag 1 is of fine quality selects medical nylon coating film cloth.
With reference to Fig. 3 to Fig. 5, core bar assembly 3 includes that core bar 33 and fixed cell, described fixed cell include the first fixing unit
Part 31 and the second retaining element 32.Core bar assembly 3 is provided with at least one groove, groove be located at the first retaining element 31 and/or
On second retaining element 32, include but not limited to scenario described below: the first retaining element 31 is provided with at least one groove；Second is solid
Determine element 32 and be provided with at least one groove；It is equipped with at least one recessed on first retaining element 31 and the second retaining element 32
Groove.In the present embodiment, as preferably, the first retaining element 31 and the second retaining element 32 it is equipped with two grooves, i.e.
One retaining element 31 is provided with first groove the 315, second groove 316, and the first groove 315 and the second groove 316 lay respectively at solid
The both sides of the central axis of cell, positional symmetry；Second retaining element 32 is provided with the 3rd groove the 325, the 4th groove 326,
3rd groove 325 and the 4th groove 326 lay respectively at the both sides of the central axis of fixed cell, positional symmetry；First groove
315, the flute length of the second groove the 316, the 3rd groove the 325, the 4th groove 326 is the most equal, groove width is the most equal；First groove 315,
Size and the shape of three grooves 325 are the most identical, and size and the shape of the second groove the 316, the 4th groove 326 are the most identical.First is recessed
Groove the 315, the 4th groove 326 is collectively forming the installation of the first bracing frame 21 and fixes groove, and the second groove the 316, the 3rd groove 325 is common
Groove is fixed in the installation forming the second bracing frame 22, and the first retaining element 31 and the size of the second retaining element 32 and shape are homogeneous
With, two such retaining element has only to out a secondary mould, has saved production cost, convenient processing and manufacture, and had used
Cheng Zhong, stress equalization.
The fixed cell of core bar assembly 3 is provided with several grooves, is used for housing bag mouth and tightens up line 6 and supporting mechanism 2；Tool
Body ground, the fixed cell of core bar assembly 3 is provided with the first wire casing 34, and the first wire casing 34 can be only located on the first retaining element 31,
Also can be only located on the second retaining element 32, or, the first wire casing 34 is by the first retaining element 31 and the second retaining element 32
The passage being collectively forming.With reference to Fig. 5, in the present embodiment, as preferably, the first retaining element has the 5th groove 319, first
The 6th groove 329, the 5th groove the 319, the 6th groove 329 is had to be collectively forming the first wire casing 34 on retaining element, the first wire casing 34
The central axes of central axis and fixed cell, the i.e. first wire casing 34 half is positioned on the first retaining element 31, another
Partly it is positioned on the second retaining element 32.
For the ease of describing the present invention and simplifying description, in the present embodiment, based on orientation shown in the drawings or position relationship,
The one end in close bag 1 direction of each parts is referred to as " near-end ", is referred to as " far-end " near the one end in handle 7 direction.Bag mouth is received
The other end of stringing 6, after the first wire casing 34 passes, both can extend to core from the near-end of core bar 33 along the outer surface of core bar 33
The far-end of bar 33, it is also possible to from the inside of core bar 33 along from the far-end of the proximal extension of core bar 33 to core bar 33.When bag mouth tightens up
When line 6 extends to the far-end of core bar 33 from the near-end of core bar 33 along the outer surface of core bar 33, the outer surface of core bar 33 arranges spacing
Groove or the fixing buckle of line.The far-end of core bar 33 is extended to along the inside of core bar 33 from the near-end of core bar 33 when bag mouth tightens up line 6
Time, as shown in Figure 6, it is provided with at least one axially extending bore in core bar 33 for providing bag mouth to tighten up the passage of line 6, this axially extending bore
Being the second wire casing 35, bag mouth tightens up line 6 from one end (i.e. near-end) of core bar 33 by the second wire casing 35, extends to through core bar 33
The other end (i.e. far-end) of core bar 33.In the present embodiment, as preferably, being provided with an axially extending bore in core bar 33, this is axial
Through hole is the second wire casing 35, and the central axes of the central axis of this axially extending bore and core bar 33, the i.e. second wire casing 35
Central axis and the central axes of core bar 33, say, that core bar 33 is hollow circular-tube, in the second wire casing 35 is core bar 33
Hollow cylinder, further, the diameter of the second wire casing 35 is equal to the internal diameter of core bar 33, and the length of the second wire casing 35 and core
The length of bar 33 is identical, i.e. the inwall of core bar 33 surrounds and forms the second wire casing 35.Bag mouth tightens up line 6 and wears in the second wire casing 35
Cross, extend to the other end of core bar 33 from one end of core bar 33.
Be additionally provided with on core bar 33 at least one for the hole, location that fixed cell and core bar 33 are fixedly connected, corresponding
Ground, fixed cell is provided with at least one locating dowel.In the present embodiment, as preferably, core bar 33 is provided with at least two location
Hole, hole, two location is symmetrical arranged.Accordingly, fixed cell is provided with a pair locating dowel, and two locating dowels are symmetrical arranged.Specifically
Ground, as shown in Figure 4, Figure 5, the first retaining element 31 and the second retaining element 32 is respectively provided with a locating dowel, the first fixing unit
The locating dowel 318 of part 31 is inserted the hole, location 332 of core bar 33 correspondence and is fixed, and the locating dowel of the second retaining element 32 inserts core bar 33
On another location hole symmetrically arranged with hole 332, location fix, and then fixed cell is fixed on core bar 33.Fixing single
Unit also includes that storage tank 317, core bar 33 are at least partly fixed in storage tank 317, and locating dowel is positioned at storage tank 317, so
Core bar 33 can be firmly attached with fixed cell.The locating dowel quantity with hole, location is combined with two parts of satisfied cooperation
Depending on intensity and firmness.
As shown in Figure 6, handle 7 is provided with the 3rd wire casing 73, and the 3rd wire casing 73 can be only located on left handle 71, it is possible to only position
In right handles 72, or the 3rd wire casing 73 is the passage being collectively forming by left handle 71 and right handles 72.In the present embodiment, make
For preferably, the 3rd wire casing 73 is the hollow cylinder in handle 7, further, and the central axis of the 3rd wire casing 73 and handle 7
Central axes, the half of the i.e. the 3rd wire casing 73 is positioned on left handle 71, and second half is positioned in right handles 72.Bag mouth tightens up line
6 strain after the 3rd wire casing 73, self form slip-knot and fix at handle 7.
As shown in Figure 4, the wall of core bar 33 being additionally provided with storage through hole 331, bag mouth tightens up the other end of line 6 and forms slip-knot
After, in the storage through hole 331 on end income core bar 33.On the one hand, it is free end that bag mouth tightens up the end of line 6, in storage fortune
During defeated, may tie a knot or enter between trocar sheath 4 and core bar assembly 3, or because external force makes slip-knot open；On the other hand, end
End is freely scattered and affects the attractive in appearance of product, in the storage through hole 331 on end income core bar 33, and medical load-engaging device monnolithic case
Neatly, attractive in appearance.
In sum, bag mouth tightens up one end of line 6 and penetrates at the non-close of the nonocclusive circular passage 111 of bag 1,
And pass at another non-close of nonocclusive circular passage 111, at the non-close of circular passage, self forms Grapevine knot.Bag
Mouth tightens up on the second wire casing 35 in the first wire casing 34 that the other end of line 6 sequentially passes through on fixed cell, core bar 33, handle 7
The 3rd wire casing 73 after strain, at the end 74 of the 3rd wire casing 73 self formed slip-knot, end income core bar 33 on storage
In through hole 331.The near-end of the second wire casing 35 and far-end connection, the far-end of the second wire casing 35 and the 3rd wire casing 73 of the first wire casing 34
Near-end connect, and the central axis of first wire casing the 34, second wire casing the 35, the 3rd wire casing 73 all overlaps, i.e. bag mouth tightens up line 6
Passage is a linear path.
In prior art, bag mouth tightens up one end of line 6 and self forms fisherman at the non-close of the circular passage of bag 1
Knot, the other end is axially extending along core bar assembly, forms slip-knot at core bar assembly axially adjacent to centre position, and is placed in trocar sheath
In.Specifically, the outer surface of core bar assembly 3 is provided with bag mouth and tightens up the stopper slot of line 6 and multiple fixing hole, and stopper slot is along core bar
Assembly 3 is axially arranged, and bag mouth tightens up line 6 in stopper slot, and forms slip-knot on core bar assembly after needing guiding through fixing hole and fix.
Before using, because core bar assembly is entirely located in trocar sheath, so bag mouth tightens up the slip-knot of line 6 together with core bar assembly at overcoat
In pipe；During use, when bag is separated from medical load-engaging device by needs, doctor must be axial from trocar sheath by core bar assembly
Moving to a certain degree, this slip-knot could be exposed trocar sheath, first opening this slip-knot could separate bag.Present invention design
Medical load-engaging device, bag mouth tightens up the slip-knot of line 6 all the time in the outside of trocar sheath 4, and doctor can need to untie at any time according to operation
Slip-knot, and then bag 1 and bag mouth are tightened up line 6 separate from medical load-engaging device, beneficially doctor quickly obtains specimen,
Reduce patient suffering and postoperative infection equivalent risk, can effectively shorten specimen take-off time, and first wire casing the 34, second wire casing 35,
The central axis of the 3rd wire casing 73 all overlaps, and i.e. bag mouth tightens up the passage of line 6 is that a linear path, beneficially bag mouth tighten up line
6 smooth and easy folding and unfoldings in passage.
Core bar assembly 3 can stretch in trocar sheath 4, and core bar assembly 3 and supporting mechanism 2 are respectively arranged with determining of cooperating
Position mounting structure；As preferably, described positioning and mounting structure is positioning bar and locating slot.Further, core bar assembly 3 is provided with
At least one positioning bar, supporting mechanism 2 is provided with at least one locating slot.In the present embodiment, core bar assembly 3 is provided with two
Positioning bar, supporting mechanism 2 is provided with two locating slots.
As it is shown in fig. 7, supporting mechanism 2 comprises first bracing frame the 21, second bracing frame 22.Preferably, the first bracing frame 21
Identical with the size of the second bracing frame 22 and shape, during assembling, one of them bracing frame is turned over turnback and is i.e. symmetrical arranged
Another bracing frame；Before upset, first locating slot 231, second locating slot installed on fixing end 23 of the first bracing frame 21
232, with two locating slots installed on fixing end of the second bracing frame 22 towards identical；After upset, the first locating slot 231,
Two locating slots installed on fixing end of the second locating slot 232 and the second bracing frame 22 towards contrary, so, solid with first
Determine the positioning bar phase in the positioning bar in the first groove 315 on element 31, the 3rd groove 325 on the second retaining element 32
Join.So, two bracing frames have only to out a secondary mould, have saved production cost, convenient processing and manufacture, and the process of use
In, stress equalization.When the open end 11 of bag 1 is tightened up, the near-end 211 of the first bracing frame 21 and the near-end of the second bracing frame 22
221 abut.When the open end 11 of bag 1 is launched, the near-end 211 of the first bracing frame 21 and the near-end 221 points of the second bracing frame 22
Open.
As shown in Fig. 7 to Fig. 8, the first bracing frame 21 is identical with the size of the second bracing frame 22 and shape, and the other end (is i.e. pacified
The fixing end of dress) it is linear, it is respectively equipped with at least one locating slot.In the present embodiment, with the first support of supporting mechanism 2
As a example by frame 21, in the present embodiment, the fixing end 23 of the installation of the first bracing frame 21 is provided with two locating slots: the first locating slot 231,
Second locating slot 232.Size and the shape of two locating slots are identical, the cross section shape of first locating slot the 231, second locating slot 232
Shape is opening rectangle or open trapezoid or U-shaped.The thickness of locating slot fixes end 23 equal to installing of the first bracing frame 21
Thickness；In the present embodiment, it is preferable that the degree of depth of locating slot is less than or equal to the half of supporting mechanism 2 width；If clamping slot depth
Excessive, the width at the first bracing frame 21 directly over locating slot is little, intensity is weak, it is impossible to meet tension requirement.The length of locating slot
Degree is more than or equal to one times of clamping slot depth, because of two locating slots and two positioning bar one_to_one corresponding；If, the length of locating slot
Too small, accordingly, the length of positioning bar is less, therefore positioning bar intensity weak, when using described medical load-engaging device, location
Muscle has the risk of fracture, causes supporting mechanism 2 to depart from core bar assembly 3, makes specimen and bag 1 be difficult to take out in abdominal cavity of patients, gives
Doctor and patient bring inconvenience.As shown in Figure 8, first locating slot the 231, second locating slot 232 is in the installation of supporting mechanism 2
On fixing end 23, interval is arranged, two locating slots are spaced apart is more than or equal to a positioning groove length.As Fig. 9 to Figure 10 institute
Show, be respectively equipped with at least in the 3rd groove 325 on first groove the 315, second retaining element 32 on the first retaining element 31
One positioning bar, as a example by the first groove 315, in the present embodiment, as preferably, is provided with two location in the first groove 315
Muscle: first positioning bar the 3151, second positioning bar 3152, positioning bar is rectangular shape or open trapezoid or the projection of U-shaped.Such as figure
Shown in 10, protruding height is equal to or less than the degree of depth of locating slot groove.First positioning bar the 3151, second positioning bar 3152 is
In one groove 315, interval is arranged, two bulge clearances are more than or equal to the distance of a projection length.First positioning bar 3151,
The size of the second positioning bar 3152 and shape are fixed with first locating slot 231, second installing fixing end 23 of the first bracing frame 21
Position groove 232 one_to_one corresponding.So that the fixing end 23 of installing of the first bracing frame 21 is mounted on the recessed of the first retaining element 31
In groove 315, and the locating slot of positioning bar in the groove 315 of the first retaining element 31 and the first bracing frame 21 cooperates solid
Fixed, the i.e. first locating slot 231 cooperates with the second positioning bar 3152 with first positioning bar the 3151, second locating slot 232.3rd
Groove 325 size and shape are all identical with the first groove 315, and are symmetrical arranged with the first groove 315.On the one hand, the first location
Groove the 231, second locating slot 232 coordinates fixing respectively with first positioning bar the 3151, second positioning bar 3152 in groove 315；Separately
On the one hand, the first retaining element 31 and the second retaining element 32 is connected and by fixing for the installation of supporting mechanism 2 end extruding
It is fixed between the two, any one in above-mentioned two aspects, all can realize the fixing company of supporting mechanism 2 and core bar assembly 3
Connecing, two aspects combine, and fixed effect is more preferable.
As shown in Figure 4, core bar assembly 3 includes core bar the 33, first retaining element 31 and the second retaining element 32, core bar assembly
The near-end of 3 is provided with the first retaining element 31, and the second retaining element 32 and the first retaining element 31 cooperate to fix first
End 23 is fixed in the installation of support 21, and further, the first retaining element 31 of core bar assembly 3 and the second retaining element 32 are interference
Or interference fits connects.Be simultaneously provided with mounting post and installing hole on first retaining element 31, the second retaining element 32 be provided with
The installing hole of correspondence and mounting post；Or, the first retaining element 31 and the second retaining element 32 one of them be provided with installation
Post, another is provided with installing hole (not shown).
In the present embodiment, as preferably, first retaining element the 31, second retaining element 32 is all simultaneously provided with mounting post
And installing hole.Further, the first retaining element 31 is provided with 3 mounting posts and 3 installing holes, accordingly, the second fixing unit
Part 32 is provided with 3 installing holes and 3 mounting posts.The size of the installing hole on the first retaining element 31 and the second retaining element 32
And shape is the most identical, size and the shape of mounting post are the most identical.
Mounting post and installing hole symmetric configuration on fixed cell, specifically, 3 mounting posts on the first retaining element 31
With the both sides that 3 installing holes lay respectively at the first wire casing 34, positional symmetry, 3 installing holes on the second retaining element 32 and 3
Mounting post lays respectively at the both sides of the first wire casing 34, positional symmetry.Such symmetric design, convenient processing and manufacture, cost is relative
Relatively low, and during use, stress equalization.
It should be noted that the layout that installing hole, mounting post are on the first retaining element 31 and the second retaining element 32 is also
Can be that the first retaining element 31 is provided with X mounting post；Accordingly, the second retaining element 32 is provided with X installing hole (wherein
X is more than or equal to 2)；Or first retaining element 31 be provided with N number of mounting post and M installing hole, accordingly, the second retaining element
32 are provided with N number of installing hole and M mounting post (wherein N is more than or equal to 1, and M is more than or equal to 1).Mounting post, installing hole big
Little, shape and quantity can be varied as desired in, mounting post, the installing hole cloth on the second retaining element, the first retaining element
Office can also change as required, depending on meeting two the part bond strengths and firmness matched.The present embodiment is to show
Example, it is intended to be used for explaining the present invention, and be not considered as limiting the invention.
Peace on mounting post on first retaining element 31 one end of core bar assembly 3 and installing hole and the second retaining element 32
Dress hole and mounting post interference or interference fits connect.The upper limit of installing hole is less than or equal to the limit inferior chi of mounting post
Very little, i.e. interference fit；Or the upper limit of installing hole is more than the limit inferior size of mounting post, and installing hole limit inferior size is little
In the upper limit of mounting post, i.e. interference fits.First installing hole 311 and first mounting post the 321, second installing hole 312 with
Second mounting post the 322, the 3rd installing hole 313 and the 3rd mounting post 323 one_to_one corresponding, interference or interference fits connect.
Preferably, the cross section of mounting post is circle, and the cross section of installing hole is polygon.If mounting post and installation
The cross section in hole is circle, and during assembling, installing hole needs when being contacting of face dough-making powder, interference or interference fits with mounting post to use
First retaining element 31 could be cooperated by artificial hammering, forcing press press-in, cold charge or hot charging with the second retaining element 32.
In order to overcome above assembling difficulty, in the medical load-engaging device of the present invention, the cross section of mounting post be circle, installing hole transversal
Face is polygon, it is preferable that in the present embodiment, and the cross section of installing hole is regular hexagon；Such first retaining element 31 with
When the second retaining element 32 interference or interference fits, installing hole is that plane contacts with the tangent of periphery with mounting post, suitably adjusts
The whole magnitude of interference can meet installation reliability demand, at normal temperatures, it is not necessary to by other instruments, just can assemble by hand,
Technique is simple, structure is reliable, easy to assembly.
Core bar assembly 3 stretches into and is positioned at trocar sheath 4, and can move axially in trocar sheath 4, and handle 7 includes left handle
71 and right handles 72.The other end of core bar 33 is provided with handle 7, and core bar 33 is additionally provided with at least one hole, location for handle 7.
In the present embodiment, as preferably, core bar 33 is provided with four holes, location for handle 7, accordingly, left handle 71 and right handles
72 are respectively provided with two the first locating dowels, two the first locating dowels of left handle 71, right handles 72 two the first locating dowels the most slotting
Enter the hole, location of core bar 33 correspondence thus be connected, and then handle 7 is fixed on core bar assembly 3.Right handles 72 also has
Second locating dowel, left handle 71 has the second hole, location, and the second locating dowel of right handles 72 inserts the second location of left handle 71
Hole and interference or interference fits connect.First locating dowel and the first hole, location, the second locating dowel and the second quantity positioning hole
Depending on two part bond strengths of satisfied cooperation and firmness.On left handle 71 and right handles 72 by the second locating dowel with
Second location hole interference or interference fits are fixedly connected on core bar.Trocar sheath 4 is provided with hole, two the 3rd location and (does not marks in figure
Go out), it is additionally provided with handle 5 outside trocar sheath 4, handle 5 is symmetrical structure.Handle 5 is divided into left handle 51 and right handle 52.Left handle 51
It is respectively provided with the 3rd locating dowel, outside the 3rd locating dowel of right handle 52, the 3rd locating dowel of left handle 51 are all inserted with right handle 52
The 3rd of sleeve pipe 4 positions hole thus is connected, and then is fixed between right handle 52 and left handle 51 by trocar sheath 4.Right
Hands 52 also has the 4th locating dowel, and left handle 51 has the 4th hole, location, and the 4th locating dowel of right handle 52 inserts left handle 51
The 4th hole, location and interference or interference fits connect.Locating dowel is tied with satisfied two parts coordinated with the quantity in hole, location
Depending on closing intensity and firmness.
In the present embodiment, before not using, the supporting mechanism 2 of medical load-engaging device is in collapsed state, and bag 1 is from blind end
12 fold retracting is reduced to open end 11, and supporting mechanism 2, bag 1, bag mouth tighten up line 6 and part core bar components containing in trocar sheath 4
In.During use, being entered in abdominal cavity of patients by perforator by this medical load-engaging device, doctor one holds the handle on trocar sheath 4
Hands 5, is respectively put into thumb and forefinger in the left and right looping pit of handle 5, and core bar assembly 3 is pushed away forward by another hands by handle 7
Go out.After supporting mechanism 2 is completely pushed out of trocar sheath 4, supporting mechanism 2 recovers original state and struts the open end 11 of bag 1, bag
The folded volume of body 1 comes up, and then bag 1 all launches.Preferably, bilateral arc can be automatically formed during the expansion of supporting mechanism 2
Shape, it is not necessary to extra apparatus auxiliary just can make bag 1 in open state.
Having inserted scope or endoscope in abdominal cavity of patients in advance, doctor is by observing display, it is possible to identifies, cut off mark
This, then obtain specimen with medical load-engaging device, and specimen is positioned at bag 1.Doctor one holds the handle 5 on trocar sheath 4, will
Thumb and forefinger are respectively put in the looping pit of left and right, and core bar assembly 3 is pulled back by another hands by handle 7, the peace of supporting mechanism 2
The fixing end 23 of dress is first incorporated in trocar sheath 4, and supporting mechanism 2, along its bilateral arcuate structure, can be incorporated in trocar sheath 4 completely,
Bag mouth tightens up line 6 and is slowly tightened up simultaneously, thus tightens up the open end 11 of bag 1, and then closes bag 1, with by specimen from suffering from
Person's intraperitoneal takes out.Because of the first bracing frame 21 first locating slot the 231, second locating slot 232 respectively with the first retaining element 31
The first groove 315 in two positioning bars (first positioning bar the 3151, second positioning bar 3152) coordinate fixing, the second bracing frame
Locating slot on 22 coordinates fixing respectively with two positioning bars in the 3rd groove 325, and the first retaining element 31 is provided with
The interference of mounting post or interference fits on installing hole and the second retaining element 32, structure is reliable so that supporting mechanism 2 without departing from
Core bar assembly 3.
Volume size according to specimen or operation needs, when specimen volume is less, doctor can be by medical load-engaging device
Take out at abdominal incisions together with perforator, then solve opened mouth and tighten up the slip-knot of line 6 other end, discharge knot, and then by bag
Body and bag mouth tighten up line and separate from medical load-engaging device；Or first open the slip-knot of knot, discharge knot, take medical taking away
Thing device part in addition to bag 1 and bag mouth tighten up line 6, then tightens up line 6 by bag 1, bag mouth and perforator tightens up and one
Rise and take out at abdominal incisions；Or first open the slip-knot of knot, discharge knot, take medical load-engaging device away except bag 1 and bag mouth
Tighten up the part beyond line 6 and perforator, then tighten up the Grapevine knot of line 6 by bag mouth and tighten up the open end 11 of bag 1, and then
Tightening pocket opening tightens up line 6 and is taken out at abdominal incisions by bag 1.When specimen is relatively big, take out when having any problem, can first by specimen at bag
It is cut into some fritters in body 1 or abdominal incisions is suitably done enlarging process.
In sum, according to the medical load-engaging device of the present invention, bag 1 is detachable to be connected on medical load-engaging device,
Bag mouth tightens up the slip-knot of line 6 all the time outside trocar sheath 4, and doctor can need to untie at any time slip-knot by operation, and then by bag 1 and bag
Mouth tightens up line 6 and separates from medical load-engaging device, is conducive to quickly obtaining specimen, reduces patient suffering, can effectively shorten
Specimen take-off time；And the medical load-engaging device of the present invention, simple in construction, low cost, there is preferable use value and popularization
Potentiality.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. a medical load-engaging device, it is characterised in that including:
Bag, described bag has blind end and opening；
Bag mouth tightens up line, and described bag mouth tightens up the one end opening through described bag of line；
Core bar assembly, described bag mouth tightens up remote to described core bar assembly of the other end of the line proximal extension along described core bar assembly
End；
Handle, described handle is connected with the far-end of described core bar assembly, and described bag mouth tightens up the other end of line at described handle
Form slip-knot.
Medical load-engaging device the most according to claim 1, it is characterised in that described bag mouth tightens up the other end of line described
At handle, self forms slip-knot.
Medical load-engaging device the most according to claim 1, it is characterised in that described core bar assembly includes core bar and fixing list
Unit, described fixed cell is provided with the first wire casing, and described bag mouth tightens up line and extends to described core bar through described first wire casing
Near-end.
Medical load-engaging device the most according to claim 3, it is characterised in that further, described bag mouth tightens up line from institute
State the near-end of core bar and extend to the far-end of described core bar along the outer surface of described core bar.
Medical load-engaging device the most according to claim 1, it is characterised in that described core bar assembly includes core bar, described core
Being provided with at least one axially extending bore in bar to form the second wire casing, described bag mouth tightens up line from the near-end of described core bar through described
Second wire casing extends to the far-end of described core bar.
Medical load-engaging device the most according to claim 5, it is characterised in that the central axis of described axially extending bore is with described
The central axes of core bar.
Medical load-engaging device the most according to claim 1, it is characterised in that described handle is provided with the 3rd wire casing, described
Bag mouth tightens up line and forms slip-knot after described 3rd wire casing.
Medical load-engaging device the most according to claim 1, it is characterised in that described core bar assembly includes core bar and fixing list
Unit, described fixed cell is provided with the first wire casing, is provided with at least one axially extending bore to form the second wire casing in described core bar；Institute
State handle and be provided with the 3rd wire casing；The central axis of described first wire casing, the central axis of described second wire casing, described 3rd line
The central axis of groove all overlaps.
Medical load-engaging device the most according to claim 1, it is characterised in that also including trocar sheath, described core bar assembly can
Stretch in described trocar sheath, can move axially along described trocar sheath, and can be along the central shaft of described core bar assembly in trocar sheath
Line rotates.
Medical load-engaging device the most according to claim 1, it is characterised in that described core bar assembly includes core bar, described core
The wall of bar is provided with storage through hole, and after described bag mouth tightens up the other end formation slip-knot of line, end is taken in described storage through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538689.2A CN106073868B (en) | 2016-07-08 | 2016-07-08 | Medical fetching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538689.2A CN106073868B (en) | 2016-07-08 | 2016-07-08 | Medical fetching device |
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| Publication Number | Publication Date |
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| CN106073868A true CN106073868A (en) | 2016-11-09 |
| CN106073868B CN106073868B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610538689.2A Active CN106073868B (en) | 2016-07-08 | 2016-07-08 | Medical fetching device |
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| CN (1) | CN106073868B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725637A (en) * | 2017-03-06 | 2017-05-31 | 成都五义医疗科技有限公司 | A kind of cartridge type specimen bag and take sundries tool |
| CN107095712A (en) * | 2017-06-03 | 2017-08-29 | 成都五义医疗科技有限公司 | A kind of specimen bag with spiral draw ring takes sundries tool and its application method |
| CN109381225A (en) * | 2017-08-07 | 2019-02-26 | 柯惠Lp公司 | Sample withdrawing device |
| CN110664443A (en) * | 2018-07-03 | 2020-01-10 | 广州迪克医疗器械有限公司 | Biological specimen recovery device with pull-buckle type handle |
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| JP2005021620A (en) * | 2003-07-04 | 2005-01-27 | Hakko Co Ltd | Medical recovery bag |
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| EP0577063A1 (en) * | 1992-06-30 | 1994-01-05 | United States Surgical Corporation | Specimen retrieval pouch and method for use |
| JP2005021620A (en) * | 2003-07-04 | 2005-01-27 | Hakko Co Ltd | Medical recovery bag |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725637A (en) * | 2017-03-06 | 2017-05-31 | 成都五义医疗科技有限公司 | A kind of cartridge type specimen bag and take sundries tool |
| CN107095712A (en) * | 2017-06-03 | 2017-08-29 | 成都五义医疗科技有限公司 | A kind of specimen bag with spiral draw ring takes sundries tool and its application method |
| CN107095712B (en) * | 2017-06-03 | 2023-05-26 | 成都五义医疗科技有限公司 | Specimen bag fetching device with winding pull ring and use method thereof |
| CN109381225A (en) * | 2017-08-07 | 2019-02-26 | 柯惠Lp公司 | Sample withdrawing device |
| CN110664443A (en) * | 2018-07-03 | 2020-01-10 | 广州迪克医疗器械有限公司 | Biological specimen recovery device with pull-buckle type handle |
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| Publication number | Publication date |
|---|---|
| CN106073868B (en) | 2020-10-09 |
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Address after: Dongsheng Road, Jiangyin city 214437 Jiangsu city of Wuxi province No. 6 D3 the first layer Applicant after: Jiangsu wind and medical equipment Limited by Share Ltd Address before: Dongsheng Road, Jiangyin city 214437 Jiangsu city of Wuxi province No. 6 D3 the first layer Applicant before: Jiangsu wind and medical equipment Co., Ltd |
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Inventor after: Sun Baofeng Inventor after: Zhang Fan Inventor after: Chang Jie Inventor before: Sun Baofeng Inventor before: Huang Chen Inventor before: Zhang Fan Inventor before: Chang Jie |
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