CN109091185A - A kind of surgical instruments is easy the articulation locking mechanism of contraposition - Google Patents
A kind of surgical instruments is easy the articulation locking mechanism of contraposition Download PDFInfo
- Publication number
- CN109091185A CN109091185A CN201811062641.4A CN201811062641A CN109091185A CN 109091185 A CN109091185 A CN 109091185A CN 201811062641 A CN201811062641 A CN 201811062641A CN 109091185 A CN109091185 A CN 109091185A
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- Prior art keywords
- locking
- locking mechanism
- surgical instruments
- elongated shaft
- end effector
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 239000012636 effector Substances 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 claims description 13
- 239000013013 elastic material Substances 0.000 claims description 3
- 241000309551 Arthraxon hispidus Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 210000004872 soft tissue Anatomy 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 210000001519 tissue Anatomy 0.000 description 12
- 230000006378 damage Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010058046 Post procedural complication Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of articulation locking mechanism of easy contraposition of surgical instruments, the tool present invention improves the joint structure locking mechanism between surgical end effectors and elongated shaft, cooperated using round end structure and multiple semi-circular recesses, facilitate contraposition and locking, and it solves in the operating process of end effector angular adjustment, soft tissue is easy the technical issues of being damaged by the tooth on joint, reaches safe and reliable technical effect.
Description
Technical field
The present invention relates to the articulation locking mechanism that a kind of surgical instruments is easy contraposition, it is easy on specially a kind of stapler
The articulation locking mechanism of contraposition.
Background technique
It is known in the prior art, stapler as medically use substitution traditional-handwork suture equipment, user
Just, tight, elastic suitable, especially its suture is quick, easy to operate and few side effects and the advantages that postoperative complication, and also
So that the tumor operation that can not be cut off in the past is able to lesion resection, very by the favor and high praise of domestic and international Clinical Surgery doctor.Outside
Section's stapler such as scope Endo-GIA may include that can be moved or be carried out joint motions relative to elongated shaft assembly
End effector.End effector, which is usually configured to, will need the tissue cut off to be fixed between clamping device, wherein clamping
It generally includes to be configured to the structure with nail bin is accommodated in device.Handle portion for operation is then configured to can control
The closure of clamping device, and control push blade cutting and staple are pushed to be sutured.
But due to the limitation of abdominal cavity or chest cavity space, in surgical procedure, traditional linear cutting anastomat cannot
Enough carry out angular adjustment, cannot effectively reach operative site clamped, be cross-section, anastomosed tissue, so gradually developing
The hysteroscope stapler that stapler actuator can turn, and widely used.
Such as Ethicon Endo Surgery Inc of the U.S. (ETHICON ENDO-SURGERY) is to the patent of its request for product, application
It number is CN200910130759.0, surgical instruments may include axis, end effector and connector, wherein the end effector can be with
It is moved around the connector relative to the axis.It proposes in that patent, referring to attached drawing 1, the joint of pervious end effector is transported
Dynamic connector includes locking component, such as locking component 299, and the locking component 299 may include the outer circumferential direction from locking component
The tooth 298 to extend out outside.Therefore, when making shaft assembly of the end effector relative to surgical instruments carry out joint motions, tooth
298 can tangle or impact the soft tissue of surrounding, and may cause wound.In different situations, tissue capture may be existed
Between adjacent teeth 298, so that soft tissue may be pulled in actuated articulation joints simultaneously when end effector carries out joint motions
And it may be jammed by the relative motion part of connector.In embodiments of the present invention, wherein the tooth of locking component is
Have angled or inclined, soft tissue, which can easily flow out and be reduced from tooth, pulls joint motions for soft tissue
A possibility that in connector.Although reducing the damage of tissue to the improvement of tooth form, but there is a possibility that damage, therefore should
Patent still uses cover structure as protection, and cover may be coupled at least one of the end effector and axis, and
The soft tissue adjacent to connector positioning is dragged into connector and/or by joint-clamping in order to prevent, and cover is configured at least portion
Divide and surrounds connector.
Although the setting of cover solves the technical issues of locking component injury tissue, the presence of cover increases part
Quantity, assembling process is comparatively laborious, and covers on during transluminal operation in the presence of the risk fallen.Therefore, it is necessary to a kind of improvement
The joint structure of type, so that joint motions will not generate damage to tissue, and be easy contraposition in the case where not needing using cover
And enough frictional force can be provided.
Summary of the invention
The present invention provides a kind of articulation locking mechanism of easy contraposition of surgical instruments, and the tool present invention holds surgical end
Joint structure locking mechanism between row device and elongated shaft is improved, and is matched using round end structure and multiple semi-circular recesses
It closes, facilitates contraposition and locking, and solve in the operating process of end effector angular adjustment, soft tissue is easy by joint
On tooth damage the technical issues of, reach safe and reliable technical effect.
The technical scheme of the present invention is realized as follows:
A kind of articulated joint locking mechanism on surgical instruments, the surgical instruments ball and socket joint specially on stapler lock machine
Structure, comprising: end effector, elongated shaft and Handleset；
End effector may include anvil block and nail bin groupware, and surgical instruments further includes closed system and trigger system, closure
System is configured to generate closed action, and including the close handles in Handleset, close handles can control anvil block opposite
Rotation generates closed action, to clamp tissue, trigger system then includes firing handle, can be made by firing handle operation
Blade be pushed forward in nail bin staple release, to carry out cutting suture to tissue.Closed system and trigger system
Drive connection part is all disposed in elongated shaft, i.e., elongated shaft is as transmission mechanism receiving portion between end effector and Handleset
Point.
Its end effector can be pivotly connected with elongated shaft by articulated joint.Articulated joint is arranged so that
End effector carries out joint motions around book shaft opposite elongate axis, so that operator can carry out end effector
Joint motions are adjusted to suitable angle, to be easy access to the surgical site of patient's body.
In order to enable relatively fixed after adjusting end effector angle, articulated joint is equipped with locking mechanism；Locking
End effector and the opposite locking of elongated shaft are achieved in that locking mechanism includes locking disk and locking level, locking by mechanism
Disk is relatively fixed with end effector, and locking level is located in elongated shaft, can be with elongated shaft relative motion, locking disk and locking level phase
Pair side with multiple pits with arc-shaped inner surface, the shape and the pit for locking rod end surface match.It is recessed
Hole inner surface is spherical inside surface, and locking boom end is to lock the spherical appearance of boom end with spherical outer surface part sphere
Face is identical with pit spherical inside surface diameter.Such setting reduces pair so that the surface that locking disk outer surface is not sharp
The damage of inside of human body tissue, also, using the cooperation of spherical pit and ball-shaped end, the process of locking is more smooth, i.e.,
Making to wait at the time of contact and be not aligned with, locking level can also smoothly slide into pit under the action of sphere-contact, so that
Locking level is completely into the mutually locking that in locking disk, ensure that the two.In addition, being additionally provided with pad on rear side of the end of locking level
Block, locking disk have arc-shaped outer surface, and cushion block outer surface matches with locking disk outer surface radian, and cushion block is elastic material system
At, such as the deformable high molecular material such as rubber.Locking level is connected with reset spring, under the elastic force effect of reset spring, lock
Fixed pole be in normal state bias to locking disk generate active force.The thickness for wherein locking boom end is slightly less than the depth of pit
Degree, under such setting, cushion block is configured to, and locking level is only under the biasing member partial pressure, when the ball of locking level
After shape end enters pit, cushion block outer surface is in contact with locking disk arc-shaped outer surface, and cushion block is slightly to generate shape at this time
Become.Such setting provides bigger anti-so that contact of the locking disk with locking level is more close when locking
Torque, and cushion block can play the role of cushion, reduce under the action of the spring, and locking level is moved towards locking disk
When, part injury caused by shock.
In order to unlocking, it is additionally provided with unlocking part,
It further include unlocking part and biasing member, unlocking part is operably connected on locking level, biasing member construction
At for pushing the locking level towards locking disk bias, lock assembly can overcome the biasing force of biasing member drive locking level to
Direction far from locking disk moves, and specifically, biasing member is preferably the returning spring being set on locking level, and unlocking part is set
It sets outside elongated shaft and is connect with locking level, when pulling unlocking part far from end effector direction, locking can be driven
Bar overcomes the biasing force of returning spring to be moved, so that locking level and locking disk relative separation, form unlocked state.
Biasing member can also be selected as magnetic means, hydraulic device, pneumatic device etc. all the machine of biasing force can be provided
Structure.
Above technical scheme is used, the invention has the following advantages:
(1) articulation locking mechanism is attached using the connection boom end of spherical groove and part sphere instead of traditional tooth
Shape connection, solves in the operating process of end effector angular adjustment, and soft tissue is easy the skill damaged by the tooth on joint
Art problem.
(2) cushion block is set on rear side of connection boom end, so that the connection of part is even closer when locking, and reduces zero
The damage of part.
Detailed description of the invention
Attached drawing 1 is actuated articulation joints structural schematic diagram in background technique；
Attached drawing 2 is overall appearance schematic diagram of the present invention；
Attached drawing 3 is the structural schematic diagram of articulation locking mechanism of the invention；
Attached drawing 4 is the part drawing of locking level；
Attached drawing 5 be it is in the unlocked state under joint structure schematic diagram；
Attached drawing 6 is that joint adjusts the structural schematic diagram being in the lock state after angle.
Specific embodiment
Corresponding appended drawing reference indicates corresponding component in the drawings.The present invention shows of the invention in one form
Preferred embodiment, and such embodiment should be construed as limitation of the scope of the invention in no instance.This
Field is it will be appreciated by the skilled person that the device and method be described in detail and be shown in the accompanying drawings herein are non-limiting schematically
Embodiment, and the range of various embodiments of the invention is limited only by claim.A kind of schematic embodiment party
The feature that formula shows and describes can be in conjunction with the feature of other embodiment, it is intended that by such modifications and variations include this
In the range of invention.
A kind of appearance diagram of stapler with articulated joint 1 as shown in Fig. 2, comprising: end effector 2,
Elongated shaft 3 and Handleset 4；
End effector 2 may include anvil block 21 and nail bin groupware 22, and surgical instruments further includes closed system and trigger system,
Closed system is configured to generate closed action, and including the close handles 41 in Handleset 4, close handles 41 are controllable
Anvil block 21, which relatively rotates, generates closed action, to clamp tissue, trigger system then includes firing handle 42, passes through percussion
Handle 42, which operates, may make blade is pushed forward to release with the staple in nail bin, to carry out cutting suture to tissue.Closed system
The drive connection part of system and trigger system is all disposed in elongated shaft 3, i.e., elongated shaft 3 is used as end effector 2 and Handleset 4
Between transmission mechanism accommodating portion.
Its end effector 2 can be pivotly connected with elongated shaft 3 by articulated joint 1.Articulated joint 1 is set as
So that end effector 2 carries out joint motions around book shaft opposite elongate axis 3, so that operator can execute end
Device 1 carries out joint motions and is adjusted to suitable angle, to be easy access to the surgical site of patient's body.
In conjunction with attached drawing 3-6, in order to enable relatively fixed after adjusting 2 angle of end effector, articulated joint 1 is equipped with
Locking mechanism 5；End effector and the opposite locking of elongated shaft are achieved in that locking mechanism includes locking by locking mechanism 5
Disk 6 and locking level 7, locking disk 6 and end effector 1 are relatively fixed, and locking level 7 is located in elongated shaft 3, can be with 3 phase of elongated shaft
To movement, the side opposite with locking level 7 of locking disk 6 locks 9 table of boom end with multiple pits 8 with arc-shaped inner surface
The shape in face matches with the pit.There is spherical surface by attached 4 visible locking boom ends 9, in this embodiment, in pit 8
Surface is spherical inside surface, is specifically hemispherical, and locking boom end 9 is the hemispherical sphere with spherical outer surface,
In his embodiment, pit 8 and 9 end 9 of locking level are to match less than hemispheroidal spherome surface, such as pit 8 is at other
It can be 1/3 spherical inside surface of sphere in embodiment, and corresponding locking boom end 9 is the smaller of diameter same sphere
In the spherical surface of 1/3 sphere.Such setting, so that the surface that 8 outer surface of locking disk is not sharp, reduces in human body
The damage of portion's tissue, also, using the cooperation of spherical pit 8 and spherical locking level end 9, the process of locking is more smooth,
It is not aligned with even if waiting at the time of contact, under the action of sphere-contact, locking boom end 9 can also smoothly slide into locking level 7
In pit 8, so that locking level 7 is completely into the mutually locking that in locking disk 6, ensure that the two.In addition, in locking level
9 rear sides are held to be additionally provided with cushion block 11, locking disk 8 has arc-shaped outer surface, 11 outer surface of cushion block and locking disk outer surface radian phase
Matching, the arc length of cushion block 11 are chosen as the 1/3 to 1/5 of 6 outer surface arc length of locking disk, and cushion block 11 is made of elastic material, such as
The deformable high molecular material such as rubber.Locking level is connected with reset spring (not shown), acts in the elastic force of reset spring
Under, locking level 7 be in normal state bias to locking disk 6 generate active force.Since the thickness of locking boom end 9 is slightly less than
The depth of pit 8, under such setting, locking level only returning spring elastic force effect under, when locking level 9 ball-shaped end enter
After pit 8,11 outer surface of cushion block is in contact with 6 arc-shaped outer surface of locking disk, and cushion block 11 is slightly generation deformation at this time.
Such setting, so that locking disk 6 and the contact of locking level 7 are more close, provide bigger anti-rotation power when locking
Square, and cushion block 11 can play the role of cushion, reduce under the action of the spring, and locking level 7 is moved towards locking disk 6
When, part injury caused by shock.
In order to unlocking, it is additionally provided with unlocking part 10, unlocking part 10 connects in elongated shaft 3 and with locking level 7, when
When unlocking part 10 is pulled far from 2 direction of end effector, the biasing force that locking level 7 can be driven to overcome returning spring is moved
It is dynamic, so that 6 relative separation of locking level 7 and locking disk, forms unlocked state.
Referring to attached drawing 5, after locking mechanism is in the unlocked state, locking disk 6 and the opposite disengagement a distance of locking level 7,
Locking disk 6 is relatively rotated with respect to locking level 7, then unclamps the releasing force of application, locking disk 6 and locking level opposite locking again,
As shown in fig. 6, locking disk 6 is locked in corresponding angle.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation method.The practitioner of correlative technology field can carry out different in the range of technical idea of the invention is permitted
Variation and implementation.
Claims (7)
1. a kind of surgical instruments is easy the articulation locking mechanism of contraposition, surgical instruments includes: end effector, elongated shaft, and
Handleset；
Articulated joint is connected between the end effector and the elongated shaft, the end effector is connect by the joint
Head is pivoted relative to the elongated shaft；
The articulated joint is equipped with locking mechanism, and the locking mechanism is used for the end effector and the elongated shaft phase
To locking；The locking mechanism includes locking disk and locking level, and the locking disk and end effector are relatively fixed, the locking
Bar is located in the elongated shaft, can be with the elongated shaft relative motion；
It is characterized in that, the locking disk side opposite with the locking level be with multiple pits with arc-shaped inner surface,
The shape of the locking rod end surface matches with the pit.
2. the articulation locking mechanism that a kind of surgical instruments according to claim 1 is easy contraposition, which is characterized in that further include
Unlocking part and biasing member, the unlocking part are operably connected on the locking level, and the biasing member is configured to
For pushing the locking level towards the locking disk bias, the unlocking part can overcome the biasing force of biasing member to drive
Locking level is moved to the direction far from locking disk.
3. the articulation locking mechanism that a kind of surgical instruments according to claim 1 is easy contraposition, which is characterized in that described recessed
Hole inner surface is spherical inside surface, and the locking boom end is the boom end that locks with spherical outer surface part sphere
Spherical outer surface is identical with pit spherical inside surface diameter.
4. the articulation locking mechanism that a kind of surgical instruments according to claim 3 is easy contraposition, which is characterized in that the lock
Price fixing has arc-shaped outer surface, and the locking boom end rear has cushion block, the cushion block outer surface and the locking disk appearance
Face radian matches.
5. the articulation locking mechanism that a kind of surgical instruments according to claim 4 is easy contraposition, which is characterized in that the lock
Fixed pole is only under the biasing member partial pressure, when the locking boom end enters the pit, the cushion block outer surface
It is in contact with the locking disk arc-shaped outer surface.
6. the articulation locking mechanism that a kind of surgical instruments according to claim 5 is easy contraposition, which is characterized in that the pad
Block is made of elastic material.
7. a kind of articulation locking mechanism of the easy contraposition of surgical instruments, feature according to claim 4-6 any one
It is, the thickness of the locking boom end is slightly less than the depth of the pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062641.4A CN109091185A (en) | 2018-09-12 | 2018-09-12 | A kind of surgical instruments is easy the articulation locking mechanism of contraposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062641.4A CN109091185A (en) | 2018-09-12 | 2018-09-12 | A kind of surgical instruments is easy the articulation locking mechanism of contraposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109091185A true CN109091185A (en) | 2018-12-28 |
Family
ID=64865901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062641.4A Withdrawn CN109091185A (en) | 2018-09-12 | 2018-09-12 | A kind of surgical instruments is easy the articulation locking mechanism of contraposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109091185A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023125115A1 (en) * | 2021-12-29 | 2023-07-06 | 江苏风和医疗器材股份有限公司 | Jaw assembly driving device for surgical instrument, and surgical instrument |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB703543A (en) * | 1950-05-19 | 1954-02-03 | Emi Ltd | Improvements in or relating to mechanisms for imparting intermittent movement |
| CN2721802Y (en) * | 2004-09-14 | 2005-08-31 | 朱建海 | Safety bullet tapered end |
| CN101518459A (en) * | 2008-02-14 | 2009-09-02 | 伊西康内外科公司 | Surgical instrument articulation joint cover |
| CN102175897A (en) * | 2011-01-18 | 2011-09-07 | 山东电力集团公司莱芜供电公司 | Angle self-locking spark gap short-circuit fork for detecting porcelain bottle insulators |
| US20130161472A1 (en) * | 2011-12-22 | 2013-06-27 | Chi-Hsiung Chiu | Telescopic Stand with Chain-type Lifting and lowering function |
| CN207214937U (en) * | 2017-08-11 | 2018-04-10 | 江苏诚泰测绘科技有限公司 | A kind of flexible horizon rule |
| CN209360784U (en) * | 2018-09-12 | 2019-09-10 | 苏州法兰克曼医疗器械有限公司 | A kind of surgical instruments is easy the articulation locking mechanism of contraposition |
-
2018
- 2018-09-12 CN CN201811062641.4A patent/CN109091185A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB703543A (en) * | 1950-05-19 | 1954-02-03 | Emi Ltd | Improvements in or relating to mechanisms for imparting intermittent movement |
| CN2721802Y (en) * | 2004-09-14 | 2005-08-31 | 朱建海 | Safety bullet tapered end |
| CN101518459A (en) * | 2008-02-14 | 2009-09-02 | 伊西康内外科公司 | Surgical instrument articulation joint cover |
| CN102175897A (en) * | 2011-01-18 | 2011-09-07 | 山东电力集团公司莱芜供电公司 | Angle self-locking spark gap short-circuit fork for detecting porcelain bottle insulators |
| US20130161472A1 (en) * | 2011-12-22 | 2013-06-27 | Chi-Hsiung Chiu | Telescopic Stand with Chain-type Lifting and lowering function |
| CN207214937U (en) * | 2017-08-11 | 2018-04-10 | 江苏诚泰测绘科技有限公司 | A kind of flexible horizon rule |
| CN209360784U (en) * | 2018-09-12 | 2019-09-10 | 苏州法兰克曼医疗器械有限公司 | A kind of surgical instruments is easy the articulation locking mechanism of contraposition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023125115A1 (en) * | 2021-12-29 | 2023-07-06 | 江苏风和医疗器材股份有限公司 | Jaw assembly driving device for surgical instrument, and surgical instrument |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181228 |