CN110236611A - Medical cutout extension protective case - Google Patents
Medical cutout extension protective case Download PDFInfo
- Publication number
- CN110236611A CN110236611A CN201910488217.4A CN201910488217A CN110236611A CN 110236611 A CN110236611 A CN 110236611A CN 201910488217 A CN201910488217 A CN 201910488217A CN 110236611 A CN110236611 A CN 110236611A
- Authority
- CN
- China
- Prior art keywords
- check valve
- air passage
- expansion
- support
- annular air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 42
- 230000010339 dilation Effects 0.000 claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 230000008093 supporting effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 230000003467 diminishing effect Effects 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 10
- 238000004088 simulation Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
-
- 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
- A61B90/08—Accessories or related features not otherwise provided for
-
- 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
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
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
Medical cutout extension protective case, belongs to medical instruments field.The problem of existing incision protective sleeve cannot be expanded and be protected to operative incision well because of the limitation of structure and material.A kind of medical cutout extension protective case; including dilation support (1), upper cover (2) and check valve apparatus (3); upper cover (2) is covered at the top of dilation support (1); it can prevent foreign matter from falling in operation or other opertions engineerings; it plays a protective role to the tissue in notch, check valve apparatus (3) is mounted at the Inlet Position of dilation support (1)；Dilation support (1) inner hollow, both ends flaring and to the diminishing sandwich in middle part, dilation support (1) is flexible body, can be inflated in the side wall interlayer of dilation support (1), and the side wall interlayer of dilation support (1) is connected to check valve apparatus (3) by Inlet Position.Design of the invention is easily put in operative incision, is easily easy to take out, easy to operate.
Description
Technical Field
The invention relates to a medical incision expansion protective sleeve.
Background
In the operation process, in order to ensure good incision supporting effect, the incision protective sleeve needs to be made of harder materials, but the elasticity of the incision protective sleeve is smaller, the effective expansion area is reduced after the incision protective sleeve is inserted into the incision, and the visual field and the operation space of a doctor are influenced; if the incision protective sleeve is made of a softer material, the incision protective sleeve can be conveniently inserted into the incision, but the incision protective sleeve does not have enough rigidity to support the incision.
Therefore, the invention provides a flexible inflatable incision protection sleeve which can be inserted into an incision after being folded and extruded, and inflated to expand the incision so as to have enough rigidity, thereby meeting the use requirement.
Disclosure of Invention
The invention aims to solve the problem that the conventional incision protection sleeve cannot well expand and protect an incision in operation due to the limitation of the structure and materials, and provides a medical incision expansion protection sleeve.
A medical incision expansion protective sleeve comprises an expansion support, an upper cover and a one-way valve device, wherein the upper cover covers the top of the expansion support, can prevent foreign matters from falling off in an operation or other operation engineering, and plays a role in protecting tissues in an incision;
the expansion support is a flexible body, the expansion support can be inflated in a side wall interlayer, and the side wall interlayer of the expansion support is communicated with the one-way valve device through an air inlet position.
The invention has the beneficial effects that:
the invention is easy to be placed in the operation incision, easy to be taken out and convenient to operate.
The medical incision expansion protective sleeve is made of soft materials, can be inserted into an incision generated in the operation process after being folded and extruded, and then is inflated to expand the incision, and the gas pressure in the medical incision expansion protective sleeve is continuously increased along with the inflation of gas in the medical incision expansion protective sleeve, so that the rigidity of the medical incision expansion protective sleeve is also continuously increased, epidermal tissues on two sides of the incision of a patient are continuously propped open, the medical incision expansion protective sleeve has enough rigidity, and the use requirement of supporting the incision is met.
The medical incision expansion protective sleeve designed by the invention has enough rigidity after being inflated, can freely control the expansion range of the epidermal tissue, and meets the use requirement.
Drawings
FIG. 1 is a schematic view of the external structure of a medical incision dilation sheath according to the present invention;
FIG. 2 is a longitudinal cross-sectional view of a medical incision dilation sheath according to the present invention;
FIG. 3 is a partial cross-sectional view of a medical incision dilation sheath according to the present invention;
FIG. 4 is a schematic view of a partially sectioned expanding support according to the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of a check valve device according to the present invention;
FIG. 6 is a schematic structural view of the upper cover according to the present invention;
FIG. 7 is a schematic view of the structure of an apparatus according to embodiment 1 of the present invention;
FIG. 8 is a diagram illustrating the simulation analysis stress and size involved in the simulation analysis section of the present invention;
FIG. 9 is a diagram of the overall deformation result after being stressed, which is obtained by performing simulation analysis using ANSYS Workbench according to simulation operation analysis of the present invention;
FIG. 10 is a diagram of the overall deformation result after stress obtained by simulation analysis using ANSYS Workbench according to the simulation analysis of the present invention.
Detailed Description
The first embodiment is as follows:
the medical incision expansion protective sleeve comprises an expansion support 1, an upper cover 2 and a one-way valve device 3, wherein the upper cover 2 covers the top of the expansion support 1, foreign matters can be prevented from falling off in an operation or other operation engineering, the tissues in an incision are protected, and the one-way valve device 3 is arranged at the air inlet position of the expansion support 1;
the expansion support device 1 is hollow, the flaring at two ends of the expansion support device 1 is of a sandwich structure which is gradually reduced towards the middle part, the expansion support device 1 is a flexible body, the expansion support device 1 can be inflated in a side wall sandwich layer, and the side wall sandwich layer of the expansion support device 1 is communicated with the one-way valve device 3 through an air inlet position.
The second embodiment is as follows:
unlike the first embodiment, the medical incision dilation sheath of the present embodiment,
an inflation system is further arranged in the side wall interlayer of the expansion support 1 and comprises a flexible support body 1a, an inflation joint 1b, a top support ring 1c and a bottom support ring 1d, wherein one circle of the upper end port of the flexible support body 1a is provided with the top support ring 1c, and one circle of the lower end port of the flexible support body 1a is provided with the bottom support ring 1 d;
an inflation connector 1b is arranged at the air inlet position, and a one-way valve device 3 is arranged on the inflation connector 1 b;
a bottom annular air passage 1e1 is arranged in the bottom support ring 1d, a middle annular air passage 1e2 is arranged at the middle cross section of the flexible support body 1a, a top annular air passage 1e3 is arranged in the top support ring 1c, a group of longitudinal air passages 1e4 are arranged in the interlayer of the flexible support body 1a, each longitudinal air passage 1e4 is respectively staggered with the bottom annular air passage 1e1, the middle annular air passage 1e2 and the top annular air passage 1e3, and the longitudinal air passages 1e4 are communicated with the bottom annular air passage 1e1, the middle annular air passage 1e2 and the top annular air passage 1e3, so that the inflated air passages are communicated with each other;
wherein,
the air charging connector 1b is internally provided with a hollow air inlet channel 1e5 penetrating through two ends;
the bottom annular air passage 1e1, the middle annular air passage 1e2 and the top annular air passage 1e3 are arranged in parallel.
The third concrete implementation mode:
unlike the first embodiment, the medical incision dilation sheath of the present embodiment,
the upper cover 2 comprises a handle 2a, a cover body 2b and a flexible rubber ring 2c, the handle 2a is fixedly installed at the top of the cover body 2b, one end of the flexible rubber ring 2c is fixed with the periphery of the lower bottom of the cover body 2b, the outer wall of the flexible rubber ring 2c is attached to the inner wall of the upper end of the flexible support body 1a, sealing between the upper cover 2 and the support ring 1c at the top of the flexible support body 1a is achieved, and the upper cover 2 can be fixed on the expansion support 1.
The fourth concrete implementation mode:
different from the third embodiment, the medical incision dilation protective sheath of the third embodiment,
the check valve device 3 comprises a check valve outer tube 3a, a check valve spring 3b and a check valve sealing ball 3c, the diameter size of the inner pipe diameter of the middle section of the check valve outer tube 3a is larger than the diameters of the ports at the two ends, the check valve spring 3b and the check valve sealing ball 3c are arranged in the check valve outer tube 3a, the check valve spring 3b is positioned at the air outlet end of the check valve outer tube 3a, the check valve sealing ball 3c is positioned at the air inlet end of the check valve outer tube 3a, and the diameter of the check valve sealing ball 3c is larger than the diameter size of the ports at the two ends and smaller than the diameter size of the inner pipe diameter of the middle section of the check;
the check valve spring 3b has certain pretension, and the one end of check valve spring 3b pushes up in the end of giving vent to anger of check valve outer tube 3a, and the other end of check valve spring 3b pushes up on check valve ball sealer 3c for check valve ball sealer 3c compresses tightly the inlet end at check valve outer tube 3a, thereby realizes sealed function.
Example 1:
the medical incision expansion protective sleeve is extruded and folded to be placed in an incision on a patient body, the air-filled connector 1b is connected with an air guide tube, and the other end of the air guide tube is connected with an air pump A1, a throttle valve A2 and a barometer A3. The medical incision expansion protective sleeve is deformed under the extrusion of epidermal tissues B1 on two sides of the incision of a patient, and the middle section part is extruded to be flat.
An air pump A1 is started to inflate the medical incision dilation protective sleeve, air flows into the top annular air passage 1e3 through the air inlet passage 1e5 and then flows into the bottom annular air passage 1e1 and the middle annular air passage 1e2 through the longitudinal air passage 1e4 through the check valve device 3, meanwhile, the air flow is controlled through a throttle valve A2, and the air pressure of inflation is detected through an air pressure gauge A3.
Along with the charging of gas, the gas pressure in the medical incision expansion protective sleeve is continuously improved, so that the rigidity of the medical incision expansion protective sleeve is also continuously improved, epidermal tissues B1 on two sides of the incision of a patient are continuously expanded, after the rigidity of the medical incision expansion protective sleeve and the expansion range of the epidermal tissues B1 meet the use requirements, the gas pump A1 stops charging, the gas guide pipe is pulled out from the charging connector 1B, and the gas sealing in the medical incision expansion protective sleeve is realized by using the one-way valve device 3 in the charging connector 1B.
The one-way valve sealing ball 3c is pushed inwards by a tool such as a screwdriver, so that the gas in the medical incision expansion protective sleeve is released and discharged from the inflation connector 1b, and the medical incision expansion protective sleeve is extruded and folded to be taken out from the incision of a patient.
Simulation operation analysis:
the inflated medical incision expansion protective sleeve still can deform to a certain extent under the extrusion of epidermal tissues B1 on two sides of the incision of the patient, so that the numerical value of the deformation is subjected to simulation analysis.
The overall height of the medical incision expansion protective sleeve is 60mm, the thickness of the side wall is 6mm, the diameters of the top support ring 1c and the bottom support ring 1d are 60mm, and the outer diameter of the narrowest middle part, namely the position of the middle annular air passage 1e2, is 35 mm; the diameters of the bottom annular air passage 1e1, the middle annular air passage 1e2 and the top annular air passage 1e3 are all 4 mm; the longitudinal air passages 1e4 are uniformly distributed in the vertical direction in the flexible supporting body 1a in 8 circumferential directions, and the diameter of the longitudinal air passages 1e4 is 3 mm. As shown in fig. 8.
The medical incision expansion protective sleeve is made of medical rubber materials, the elastic modulus of the medical incision expansion protective sleeve is 7.8MPa, and the Poisson ratio is 0.46; the inflation pressure is 0.05 MPa; the thickness of epidermal tissues B1 on two sides of the incision of the patient is 15mm, and the extrusion force of the epidermal tissues B1 on the expansion protective sleeve of the medical incision is 10N.
Simulation analysis is performed by using ANSYS Workbench, and the whole deformation result after stress is obtained as shown in fig. 9 and 10, the middle position of the medical incision expansion protective sleeve is most obviously subjected to extrusion deformation, the maximum deformation amount is located in the central area of the contact part of the medical incision expansion protective sleeve and epidermis tissues B1 on two sides, the medical incision expansion protective sleeve is inwards sunken after being extruded at the central area, and the maximum deformation amount is 0.0012593 m. The deformation quantity can meet the use requirement.
The present invention is capable of other embodiments and its several details are capable of modifications in various obvious respects, all without departing from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a medical incision expansion protective sheath which characterized in that: the medical incision expansion protective sleeve comprises an expansion support (1), an upper cover (2) and a one-way valve device (3), wherein the upper cover (2) covers the top of the expansion support (1), and the one-way valve device (3) is arranged at the air inlet position of the expansion support (1);
the expansion support device comprises an expansion support device (1), wherein the expansion support device (1) is hollow, two ends of the expansion support device are flared and gradually reduce towards the middle of the expansion support device, the expansion support device (1) is a flexible body, air can be inflated in a side wall interlayer of the expansion support device (1), and the side wall interlayer of the expansion support device (1) is communicated with a one-way valve device (3) through an air inlet position.
2. The medical incision dilation protective sheath of claim 1, wherein: an inflation system is further arranged in the side wall interlayer of the expansion support (1), the inflation system comprises a flexible support body (1 a), an inflation joint (1 b), a top support ring (1 c) and a bottom support ring (1 d), the top support ring (1 c) is arranged in one circle of the upper end port of the flexible support body (1 a), and the bottom support ring (1 d) is arranged in one circle of the lower end port of the flexible support body (1 a);
an inflation joint (1 b) is arranged at the air inlet position, and a one-way valve device (3) is arranged on the inflation joint (1 b);
a bottom annular air passage (1 e 1) is arranged in a bottom support ring (1 d), a middle annular air passage (1 e 2) is arranged at the middle cross section of a flexible support body (1 a), a top annular air passage (1 e 3) is arranged in a top support ring (1 c), a group of longitudinal air passages (1 e 4) are arranged in an interlayer of the flexible support body (1 a), each longitudinal air passage (1 e 4) is staggered with the bottom annular air passage (1 e 1), the middle annular air passage (1 e 2) and the top annular air passage (1 e 3) respectively, and the longitudinal air passages (1 e 4) are communicated with the bottom annular air passage (1 e 1), the middle annular air passage (1 e 2) and the top annular air passage (1 e 3) so that the inflated air passages are communicated with one another;
wherein,
the interior of the air charging connector (1 b) is provided with a hollow air inlet channel (1 e 5) which penetrates through two ends;
the bottom annular air passage (1 e 1), the middle annular air passage (1 e 2) and the top annular air passage (1 e 3) are arranged in parallel.
3. The medical incision dilation sheath of claim 2, wherein: the upper cover (2) comprises a handle (2 a), a cover body (2 b) and a flexible rubber ring (2 c), the handle (2 a) is fixedly installed at the top of the cover body (2 b), one end of the flexible rubber ring (2 c) is fixed to the periphery of the lower bottom of the cover body (2 b), and the outer wall of the flexible rubber ring (2 c) is attached to the inner wall of the upper end of the flexible supporting body (1 a).
4. The medical incision dilation sheath of claim 3, wherein: check valve device (3) including check valve outer tube (3 a), check valve spring (3 b) and check valve ball sealer (3 c), the diameter size of the inside pipe diameter in check valve outer tube (3 a) middle section is greater than the diameter of both ends port, check valve outer tube (3 a) internally mounted check valve spring (3 b) and check valve ball sealer (3 c), check valve spring (3 b) are located the end of giving vent to anger of check valve outer tube (3 a), check valve ball sealer (3 c) are located the inlet end of check valve outer tube (3 a), the diameter of check valve ball sealer (3 c) is greater than the size of both ends port diameter, and be less than the diameter size of the inside pipe diameter in check valve outer tube (3 a) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488217.4A CN110236611A (en) | 2019-06-06 | 2019-06-06 | Medical cutout extension protective case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488217.4A CN110236611A (en) | 2019-06-06 | 2019-06-06 | Medical cutout extension protective case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110236611A true CN110236611A (en) | 2019-09-17 |
Family
ID=67886290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488217.4A Pending CN110236611A (en) | 2019-06-06 | 2019-06-06 | Medical cutout extension protective case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110236611A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197603A (en) * | 2021-05-02 | 2021-08-03 | 郑州大学第一附属医院 | Thoracoscope surgery retractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070066962A1 (en) * | 2005-09-21 | 2007-03-22 | Rutter Michael J | Airway Balloon Dilator |
| CN200939151Y (en) * | 2006-08-18 | 2007-08-29 | 焦永春 | Belly dilatation transition device |
| CN201676007U (en) * | 2010-01-28 | 2010-12-22 | 孙颖浩 | Single-hole multi-channel minimally invasive surgery sheath |
| CN106491168A (en) * | 2016-12-01 | 2017-03-15 | 广东齐柏林医疗科技有限公司 | A kind of otch is fixed and retracts protection device |
| CN211270893U (en) * | 2019-06-06 | 2020-08-18 | 江阴市康捷医疗科技有限公司 | Medical incision expansion protective sleeve |
-
2019
- 2019-06-06 CN CN201910488217.4A patent/CN110236611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070066962A1 (en) * | 2005-09-21 | 2007-03-22 | Rutter Michael J | Airway Balloon Dilator |
| CN200939151Y (en) * | 2006-08-18 | 2007-08-29 | 焦永春 | Belly dilatation transition device |
| CN201676007U (en) * | 2010-01-28 | 2010-12-22 | 孙颖浩 | Single-hole multi-channel minimally invasive surgery sheath |
| CN106491168A (en) * | 2016-12-01 | 2017-03-15 | 广东齐柏林医疗科技有限公司 | A kind of otch is fixed and retracts protection device |
| CN211270893U (en) * | 2019-06-06 | 2020-08-18 | 江阴市康捷医疗科技有限公司 | Medical incision expansion protective sleeve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197603A (en) * | 2021-05-02 | 2021-08-03 | 郑州大学第一附属医院 | Thoracoscope surgery retractor |
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