CN114159139A - Fixing device for thoracoscope in children's thoracoscope surgery - Google Patents
Fixing device for thoracoscope in children's thoracoscope surgery Download PDFInfo
- Publication number
- CN114159139A CN114159139A CN202111541976.6A CN202111541976A CN114159139A CN 114159139 A CN114159139 A CN 114159139A CN 202111541976 A CN202111541976 A CN 202111541976A CN 114159139 A CN114159139 A CN 114159139A
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- CN
- China
- Prior art keywords
- clamping plate
- thoracoscope
- clamping plates
- inner clamping
- sliding block
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
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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
- A61B17/34—Trocars; Puncturing needles
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention relates to a fixing device of a thoracoscope for a child thoracoscope operation, which effectively solves the problem that the thoracoscope is easy to move along with the deformation of the upper end of an incision protector; the technical scheme for solving the problem is that the device comprises an inner clamping plate and an outer clamping plate, wherein the inner clamping plate is connected with the outer clamping plate through a connecting rod; the outer clamping plate is provided with a sliding block, and a tension spring is arranged between the two sliding blocks; a pressure spring is arranged between the inner splint and the outer splint; when the lower end of the outer clamping plate is far away from the lower end of the inner clamping plate, the sliding block is arranged at the uppermost end of the displacement of the sliding block, and the tension spring is positioned above the pressure spring; when the lower end of the outer clamping plate is close to the lower end of the inner clamping plate, the sliding block is arranged at the lowest end of the displacement of the sliding block, and the tension spring is arranged below the pressure spring; the inner side surface of the inner clamping plate is provided with a baffle plate, the inner clamping plate is provided with a fixing block, a through hole is formed in the middle of the fixing block, and a counter bore is formed in the outer edge of the fixing block; the baffle is inserted into the counter bore to fix the fixed block; the invention solves the problem that the thoracoscope is easy to move along with the deformation of the upper end of the incision protector, and has firm fixation, simple operation and convenient disassembly and assembly.
Description
Technical Field
The invention relates to the field of medical treatment, in particular to a fixing device for a thoracoscope in a children thoracoscope surgery.
Background
In the process of thoracoscope surgery, particularly children thoracoscope surgery, the position of the thoracoscope is unstable and easy to shake around, and the position of the thoracoscope needs to be fixed manually, which is very inconvenient for medical personnel and affects the quality of the surgery; in the prior art, a rubber ring is fixed on an incision protector, and a thoracoscope is inserted into the rubber ring and fixed on the incision protector, so that the thoracoscope is not firmly fixed due to unstable fixation of the rubber ring, and meanwhile, the incision protector is mostly made of silica gel and has elasticity, the part of the upper end of the incision protector, which is contacted with an instrument, is easy to deform, and the thoracoscope is easy to move along with the deformation of the upper end of the incision protector; in addition, the thoracoscopes with different specifications cannot be fixed, and the problems that the thoracoscopes cannot be detached and replaced independently and are not easy to fix and detach are also solved.
Disclosure of Invention
In view of the above situation, in order to solve the problems in the prior art, the invention aims to provide a fixing device for a thoracoscope for a child thoracoscope operation, which can effectively solve the problem that the thoracoscope is easy to move along with the deformation of the upper end of a cut protector.
The technical scheme for solving the problem is that the device comprises a plurality of inner clamping plates which are uniformly distributed on the circumference, outer clamping plates which correspond to the inner clamping plates one by one are arranged on the outer sides of the inner clamping plates, the corresponding inner clamping plates are connected with the outer clamping plates through a connecting rod, and two ends of the connecting rod are respectively hinged with the inner clamping plates and the outer clamping plates; two adjacent outer clamping plates are provided with a sliding block which moves along the length direction of the outer clamping plate on the opposite side surfaces, and a tension spring is connected between the two adjacent sliding blocks; a pressure spring is arranged between the inner clamping plate and the outer clamping plate, one end of the pressure spring is fixed at the upper end of the outer side end face of the inner clamping plate, and the other end of the pressure spring is in contact with but not fixed with the inner side face of the outer clamping plate; when the lower end of the outer clamping plate is far away from the lower end of the inner clamping plate, the sliding block is arranged at the uppermost end of the displacement of the sliding block, the tension spring is in a stretching state, the pressure spring is in a compressing state, and the tension spring is arranged above the pressure spring; when the lower end of the outer clamping plate is close to the lower end of the inner clamping plate, the sliding block is arranged at the lowest end of the displacement of the sliding block, the tension spring is in a stretching state, the pressure spring is in a compressing state, and the tension spring is arranged below the pressure spring; a baffle is fixed at the upper end of the inner side surface of each inner clamping plate, a fixed block with a circular cross section is arranged among the inner clamping plates, a vertical through hole is formed in the middle of the fixed block, and counter bores corresponding to the baffles one by one are formed in the outer edge of the fixed block; and the plurality of baffle plates are inserted into the corresponding counter bores to fix the fixed blocks.
Preferably, the lower end of the inner clamping plate is bent inwards; the fixed block comprises cylinder and the hemisphere of below in the top, and the lower extreme of a plurality of interior splint medial surface is tangent with the sphere of hemisphere.
Preferably, the lower end of the outer clamping plate is bent inwards.
Preferably, two adjacent outer splint relative both sides face on all opened the spout, the top of outer splint department of bending is arranged in to the spout, the slider just can move along spout length direction in arranging the spout in.
Preferably, a hose communicated with the through hole is fixed on the upper end face of the fixing block, and a clamp is arranged on the outer edge of the hose.
The invention provides pretightening force for fixing the clamping plate while fixing the thoracoscope, so that the incision protector is not easy to deform; the fixing block enables the thoracoscope to be positioned in the middle of the incision protector, the thoracoscope and the incision protector are coaxial all the time, the thoracoscope is not easy to deflect, and the thoracoscope cannot touch the incision protector; simple operation and convenient disassembly and assembly.
Drawings
Fig. 1 is a front view of the present invention with the device in a secured state.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 2, with the device in a secured state.
Fig. 4 is a front cross-sectional view of the device in an unsecured state.
Fig. 5 is a perspective view of the device in a fixed state.
Fig. 6 is a perspective view of the device in an unsecured state.
Fig. 7 is a perspective view of the inner splint 2.
Fig. 8 is a perspective view of the outer clamping plate 3.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 8, the present invention is fixed on a notch protector 1, and comprises a plurality of inner splints 2 uniformly distributed on the circumference, outer splints 3 corresponding to each inner splint 2 one by one are arranged on the outer sides of the plurality of inner splints 2, the corresponding inner splints 2 and the corresponding outer splints 3 are connected by a connecting rod 4, and two ends of the connecting rod 4 are respectively hinged with the inner splints 2 and the outer splints 3;
two adjacent outer clamping plates 3 are provided with sliding blocks 5 which move along the length direction of the outer clamping plates 3 on opposite side surfaces, and a tension spring 6 is connected between the two adjacent sliding blocks 5; a pressure spring 7 is arranged between the inner splint 2 and the outer splint 3, one end of the pressure spring 7 is fixed at the upper end of the outer side end face of the inner splint 2, and the other end of the pressure spring 7 is in contact with but not fixed with the inner side face of the outer splint 3;
when the lower end of the outer clamping plate 3 is far away from the lower end of the inner clamping plate 2, the sliding block 5 is arranged at the uppermost end of the displacement of the sliding block, the tension spring 6 is in a stretching state, the compression spring 7 is in a compressing state, and the tension spring 6 is positioned above the compression spring 7; when the lower end of the outer clamping plate 3 is close to the lower end of the inner clamping plate 2, the sliding block 5 is arranged at the lowest end of the displacement of the sliding block, the tension spring 6 is in a stretching state, the compression spring 7 is in a compressing state, and the tension spring 6 is arranged below the compression spring 7;
a baffle plate 8 is fixed at the upper end of the inner side surface of each inner clamping plate 2, a fixing block 9 with a circular cross section is arranged among the inner clamping plates 2, a vertical through hole 11 is formed in the middle of the fixing block 9, and counter bores 13 corresponding to the baffle plates 8 one by one are formed in the outer edge of the fixing block 9; and a plurality of baffle plates 8 are inserted into the corresponding counter bores 13 to fix the fixing blocks 9.
The lower end of the inner splint 2 is bent inwards; the fixed block 9 consists of an upper cylinder and a lower hemisphere, and the lower ends of the inner side surfaces of the inner clamping plates 2 are tangent to the spherical surface of the hemisphere; because the upper end of the inner edge surface of the notch protector 1 inclines outwards, the outer side surface of the lower end of the inner clamping plate 2 can be better attached to the inner edge surface of the notch protector 1 by bending the lower end of the inner clamping plate 2 inwards; simultaneously the sphere of hemisphere can be extruded to a plurality of interior splint 2 lower extremes, and is more firm with fixed 9, and fixed 9 provides the holding power to a plurality of interior splint 2.
The lower end of the outer splint 3 is bent inwards; because the outer fringe face upper end of incision protector 1 leans out, through buckling the 3 lower extremes of outer splint to the inboard, make the medial surface of 3 lower extremes of outer splint can better with the outer fringe face laminating of incision protector 1.
Two opposite side surfaces of two adjacent outer clamping plates 3 are respectively provided with a sliding groove 10, the sliding grooves 10 are arranged above the bending positions of the outer clamping plates 3, and the sliding blocks 5 are arranged in the sliding grooves 10 and can move along the length direction of the sliding grooves 10; the slide block 5 moves from one end of the sliding groove 10 to the other end of the sliding groove 10 in the sliding groove 10, so that the tension spring 6 can move above or below the compression spring 7.
A hose 12 communicated with the through hole 11 is fixed on the upper end surface of the fixing block 9, and a clamp is arranged on the outer edge of the hose 12; the thoracoscope is arranged in the hose 12, the hose 12 is clamped through a clamp, and the thoracoscope and the hose 12 are fixed.
In the invention, the diameters of the through hole 11 and the hose 12 are made to be larger than the diameter of the outer edge of the thoracoscope, and the inner wall of the through hole 11 is in clearance fit with the outer edge of the thoracoscope;
when the device is in an unfixed state, the lower end of the outer clamping plate 3 is far away from the lower end of the inner clamping plate 2, the slide block 5 is arranged at the uppermost end of the displacement of the outer clamping plate, the tension spring 6 is arranged above the compression spring 7 and pulls the upper end of the outer clamping plate 3 towards the middle through the slide block 5, and the compression spring 7 extrudes the outer clamping plate 3 outwards to ensure that the device keeps the state;
when the invention is used, the lower end of the incision protector 1 is firstly placed in an incision on a patient, the upper end of the incision protector 1 is placed above the incision, and the incision protector 1 is arranged on the patient;
then the fixed blocks 9 are arranged among the plurality of inner clamping plates 2; specifically, one end of a hemisphere of a fixing block 9 is placed between baffles 8 on a plurality of inner clamping plates 2 downwards, then the fixing block 9 is moved downwards, the baffles 8 are extruded through the hemisphere face, the baffles 8 are moved outwards, the fixing block 9 is moved downwards to a position between the inner clamping plates 2, and the lower ends of the inner side faces of the inner clamping plates 2 are tangent to the spherical surface of the hemisphere; in the process that the fixed block 9 moves downwards, the plurality of outer clamping plates 3 contract inwards under the action of the tension spring 6, so that the outer clamping plates 3 keep pressing the inner clamping plates 2 inwards through the compression springs 7, the plurality of inner clamping plates 2 press the fixed block 9 inwards, and the fixed block 9 provides outwards supporting force for the plurality of inner clamping plates 2; the fixed block 9 continues to move downwards until the stop dog 8 is inserted into the counter bore 13, and the fixed block 9 is fixed;
fixing the device on the incision protector 1, specifically, placing the lower ends of a plurality of inner clamping plates 2 in the incision protector 1, then downwards breaking the lower end of an outer clamping plate 3 to enable the outer clamping plate 3 and a connecting rod 4 to downwards rotate, pulling a sliding block 5 in a sliding groove 10 to downwards move by a tension spring 6, placing the sliding block at the lowest end in the sliding groove 10, placing the tension spring 6 below a compression spring 7 along with the movement of the sliding block 5, pulling the outer clamping plate 3 towards the middle by the tension spring 6 through the sliding block 5, and outwards extruding the upper end of the outer clamping plate 3 by the compression spring 7 to enable the lower end of the outer clamping plate 3 to be close to the lower end of the inner clamping plate 2, and clamping the upper end of the incision protector 1 by the outer clamping plate 3 and the inner clamping plate 2;
finally, the thoracoscope is arranged on the fixed block 9; during installation, the thoracoscope penetrates through the hose 12 from top to bottom and then penetrates through the through hole 11, after the position of the thoracoscope is adjusted up and down, the hose 12 is clamped through the clamp, the thoracoscope and the hose 12 are fixed, the thoracoscope is in a proper position, and then the fixing of the thoracoscope and the fixed block 9 is completed.
When dismantling, take off the clip earlier, break away from thoracoscope rebound through-hole 11 and hose 12 again, outwards break off with the fingers and thumb 3 lower extreme of outer splint, make outer splint 3 and connecting rod 4 upwards rotate, slider 5 receives 6 pulling rebound of extension spring in spout 10, and place the top in spout 10 in, extension spring 6 is arranged in pressure spring 7 top along with the removal of slider 5, extension spring 6 is through the upper end of slider 5 to middle pulling outer splint 3, and 7 outside extrusion outer splint 3 of pressure spring, make the outer splint 3 lower extreme keep away from 2 lower extremes of inner splint, outer splint 3 breaks away from behind the incision protector 1, can take off this device from incision protector 1.
The fixing block 9 is used for supporting a plurality of inner clamping plates 2, the upper end of the incision protector 1 is clamped by the outer clamping plate 3 and the inner clamping plates 2, and pretightening force is provided for fixing the clamping plates while fixing the thoracoscope, so that the upper end of the incision protector 1 is not easy to deform; meanwhile, the stop block 8 is clamped in the counter bore 13, so that the baffle 8 is not easy to shake and is more firm to fix.
On the basis of ensuring that the upper end of the incision protector 1 is not easy to deform, the fixing block 9 ensures that the thoracoscope is positioned in the middle of the incision protector 1, and the thoracoscope is always coaxial with the incision protector 1, is not easy to deflect and cannot touch the incision protector 1.
When the device is used, the outer clamping plate 3 and the connecting rod 4 are rotated downwards by shifting the outer clamping plate 3, and the lower end of the outer clamping plate 3 is close to the lower end of the inner clamping plate 2, so that the device can be fixed on the incision protector 1; when the device is disassembled, the outer clamping plate 3 and the connecting rod 4 are rotated upwards by stirring the outer clamping plate 3, and the lower end of the outer clamping plate 3 is far away from the lower end of the inner clamping plate 2, so that the device can be disassembled from the cut protector 1; simple operation and convenient disassembly and assembly.
The inner wall of the through hole 11 is in clearance fit with the outer edge of the thoracoscope, so that the thoracoscope is arranged in the through hole 11 and can move up and down; the clamp clamps the hose 12, and the thoracoscope and the hose 12 are fixed, so that the fixing of the thoracoscope is completed; the position of the thoracoscope is conveniently adjusted, and the device cannot be driven to move in the adjusting process, so that the device or the incision protector 1 is separated.
Claims (5)
1. A fixing device for a thoracoscope in a children thoracoscope surgery is fixed on an incision protector (1) and comprises a plurality of inner clamping plates (2) which are uniformly distributed on the circumference, and is characterized in that outer clamping plates (3) which correspond to the inner clamping plates (2) one by one are arranged on the outer sides of the inner clamping plates (2), the corresponding inner clamping plates (2) and the corresponding outer clamping plates (3) are connected through a connecting rod (4), and two ends of the connecting rod (4) are respectively hinged with the inner clamping plates (2) and the outer clamping plates (3); the opposite side surfaces of two adjacent outer clamping plates (3) are respectively provided with a sliding block (5) moving along the length direction of the outer clamping plates (3), and a tension spring (6) is connected between two adjacent sliding blocks (5); a pressure spring (7) is arranged between the inner splint (2) and the outer splint (3), one end of the pressure spring (7) is fixed at the upper end of the outer side end face of the inner splint (2), and the other end of the pressure spring is in contact with but not fixed with the inner side face of the outer splint (3); when the lower end of the outer clamping plate (3) is far away from the lower end of the inner clamping plate (2), the sliding block (5) is arranged at the uppermost end of the displacement of the sliding block, the tension spring (6) is in a stretching state, the compression spring (7) is in a compressing state, and the tension spring (6) is positioned above the compression spring (7); when the lower end of the outer clamping plate (3) is close to the lower end of the inner clamping plate (2), the sliding block (5) is arranged at the lowest end of the displacement of the sliding block, the tension spring (6) is in a stretching state, the compression spring (7) is in a compressing state, and the tension spring (6) is arranged below the compression spring (7); a baffle (8) is fixed at the upper end of the inner side surface of each inner clamping plate (2), a fixing block (9) with a circular cross section is arranged among the inner clamping plates (2), a vertical through hole (11) is formed in the middle of the fixing block (9), and counter bores (13) which correspond to the baffles (8) one by one are formed in the outer edge of the fixing block (9); a plurality of baffle plates (8) are inserted into the corresponding counter bores (13) to fix the fixed blocks (9).
2. A thoracoscopic fixing device for children's thoracoscopic surgery as recited in claim 1, wherein the lower end of the inner clamping plate (2) is bent inwards; the fixed block (9) is composed of a cylinder at the upper part and a hemisphere at the lower part, and the lower ends of the inner side surfaces of the inner clamping plates (2) are tangent to the spherical surface of the hemisphere.
3. A thoracoscopic fixing device for children's thoracoscopic surgery as recited in claim 1, wherein the lower end of the outer clamping plate (3) is bent inwards.
4. The thoracoscope fixing device for children's thoracoscope surgery according to claim 3, characterized in that two opposite side surfaces of two adjacent external splint (3) are respectively provided with a sliding groove (10), the sliding grooves (10) are arranged above the bending part of the external splint (3), and the sliding block (5) is arranged in the sliding grooves (10) and can move along the length direction of the sliding grooves (10).
5. The thoracoscope fixing device for children's thoracoscope surgery as recited in claim 1, wherein a hose (12) communicated with the through hole (11) is fixed on the upper end surface of the fixing block (9), and a clip is arranged on the outer edge of the hose (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111541976.6A CN114159139B (en) | 2021-12-16 | 2021-12-16 | Thoracoscope fixing device for children thoracoscope operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111541976.6A CN114159139B (en) | 2021-12-16 | 2021-12-16 | Thoracoscope fixing device for children thoracoscope operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114159139A true CN114159139A (en) | 2022-03-11 |
| CN114159139B CN114159139B (en) | 2023-06-13 |
Family
ID=80486986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111541976.6A Active CN114159139B (en) | 2021-12-16 | 2021-12-16 | Thoracoscope fixing device for children thoracoscope operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114159139B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208426101U (en) * | 2017-07-31 | 2019-01-25 | 石河子大学 | A kind of thoracoscope lens fixing apparatus |
| CN209360919U (en) * | 2018-11-08 | 2019-09-10 | 上海市肺科医院 | A kind of incision protective sleeve of fixed thoracoscope |
| WO2019215354A1 (en) * | 2018-05-09 | 2019-11-14 | Andres Del Amor Arroyo Tristan | Endoscope video camera head which can be attached to a surgical wound protector, without a rigid tube or manual support |
| CN112426231A (en) * | 2020-11-23 | 2021-03-02 | 常州安康医疗器械有限公司 | Protective sheath is separated to haplopore thoracoscope incision |
-
2021
- 2021-12-16 CN CN202111541976.6A patent/CN114159139B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208426101U (en) * | 2017-07-31 | 2019-01-25 | 石河子大学 | A kind of thoracoscope lens fixing apparatus |
| WO2019215354A1 (en) * | 2018-05-09 | 2019-11-14 | Andres Del Amor Arroyo Tristan | Endoscope video camera head which can be attached to a surgical wound protector, without a rigid tube or manual support |
| CN209360919U (en) * | 2018-11-08 | 2019-09-10 | 上海市肺科医院 | A kind of incision protective sleeve of fixed thoracoscope |
| CN112426231A (en) * | 2020-11-23 | 2021-03-02 | 常州安康医疗器械有限公司 | Protective sheath is separated to haplopore thoracoscope incision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114159139B (en) | 2023-06-13 |
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Effective date of registration: 20230921 Address after: No.33, Longhu Waihuan East Road, Zhengdong New District, Zhengzhou City, Henan Province Patentee after: Henan children's hospital Zhengzhou children's Hospital Address before: 450003 No. 14, building 3, yard 1, beicangzhongli, Jinshui District, Zhengzhou City, Henan Province Patentee before: Yang Fang |