CN113598846B - Laparoscope incision expander - Google Patents
Laparoscope incision expander Download PDFInfo
- Publication number
- CN113598846B CN113598846B CN202110879979.4A CN202110879979A CN113598846B CN 113598846 B CN113598846 B CN 113598846B CN 202110879979 A CN202110879979 A CN 202110879979A CN 113598846 B CN113598846 B CN 113598846B
- Authority
- CN
- China
- Prior art keywords
- groove
- ring
- fixed
- finger
- adjusting
- 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.)
- Active
Links
Images
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
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
Landscapes
- 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 laparoscopic incision expander, and relates to the technical field of medical instruments, wherein a ring groove is formed in a finger ring in a penetrating manner; a plurality of limiting pipes are distributed and fixed on the inner annular wall of the annular groove in an annular manner, and springs are arranged in the limiting pipes; the outer end of the spring is fixed on the inner ring wall of the ring groove, and the inner end of the spring is fixed with the connecting rod; the connecting rod is movably inserted in the limiting pipe; a rubber arc pad is fixed at the inner end of the connecting rod; when the finger is clamped in the finger ring, the finger can be attached to the finger ring, so that the finger is prevented from being attached to the finger ring by extra force in the using process, and the concentration degree of a user is improved; the distance and the angle between the finger ring and the connecting clamp can be adjusted according to the position and the size of the incision, so that the finger can accurately control the opening distance of the two expansion plates.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a laparoscopic incision expander.
Background
The laparoscopic surgery mainly uses a laparoscope and two or more laparoscopic special surgical instruments, cuts a plurality of small incisions in the abdominal wall of a patient, observes organs or tissue lesions in the abdominal cavity by inserting the laparoscope, performs surgical operations by using the special surgical instruments, and removes surgically excised tissues or organs through the small incisions, thereby completing the surgery; compared with the open surgery, the laparoscopic surgery has the advantages of less pain, less scars and short postoperative recovery time.
The removal of excised tissues and organs through small incisions is an important step in laparoscopic surgery; in traditional laparoscopic surgery, the diameter of a resection object is often larger than that of a small incision, and non-laparoscopic special surgical instruments such as an incision expander and the like are often required to be inserted into the abdominal cavity through the incision; in the process of using the incision expander, the fingers usually need to be additionally forced to cling to the finger ring to pinch the incision expander, and the force directions of the fingers are different due to the incisions with different positions and sizes, so that the incision expander is not beneficial to the use of a user.
Disclosure of Invention
The invention aims to provide a laparoscope incision expander aiming at the defects and shortcomings of the prior art, when a finger is clamped into a finger ring, the finger can be attached to the finger ring, the finger is prevented from being attached to the finger ring by extra force in the using process, and the improvement of the concentration degree of a user is facilitated; the distance and the angle between the finger ring and the connecting clamp can be adjusted according to the position and the size of the incision, so that the finger can accurately control the opening distance of the two expansion plates.
In order to achieve the purpose, the invention adopts the technical scheme that: it comprises a finger ring, a connecting clamp, a pin shaft and an expanding plate; the left sides of the two finger rings are provided with connecting pincers, the two connecting pincers are arranged in an up-down crossed manner, a pin shaft is arranged at the crossed position of the two connecting pincers in a screwed connection manner, and a rotating groove is formed at the connecting position of the connecting pincers positioned at the rear side and the connecting pincers positioned at the front side; an expanding plate is fixed on the left side of the connecting clamp;
it also comprises a supporting mechanism and a connecting mechanism; a supporting mechanism is arranged in the ring; the supporting mechanism comprises a limiting pipe, a spring, a connecting rod and a rubber arc pad; a ring groove is arranged in the finger ring in a penetrating way; a plurality of limiting pipes are distributed and fixed on the inner annular wall of the annular groove in an annular manner, and springs are arranged in the limiting pipes; the outer end of the spring is fixed on the inner ring wall of the ring groove, and the inner end of the spring is fixed with the connecting rod; the connecting rod is movably inserted in the limiting pipe; a rubber arc pad is fixed at the inner end of the connecting rod;
the left side of the ring is provided with a connecting mechanism; the connecting mechanism comprises a connecting block, a first fixing bolt, an adjusting ball, an adjusting square rod and a second fixing bolt; a connecting block is fixed on the left side ring wall of the ring, a spherical groove is formed in the connecting block, and an adjusting ball is arranged in the spherical groove in a rolling manner; a first fixing bolt is rotatably connected to the front side wall of the connecting block in a penetrating manner, and the inner end of the first fixing bolt abuts against the adjusting ball; an adjusting square rod is fixed at the outer end of the adjusting ball, a square groove is formed in the right part of the connecting clamp, and the other end of the adjusting square rod is movably inserted into the square groove; a second fixing bolt is arranged on the right side of the front side wall of the connecting clamp in a penetrating mode, and the inner end of the second fixing bolt abuts against the adjusting square rod.
Preferably, a first screw is fixed at the front end of the pin shaft, and a nut is screwed on the first screw; the nut is screwed down, so that the connecting clamp is fixed, and the laparoscope can be conveniently used.
Preferably, the outer annular wall of the expansion plate is provided with a plurality of blood guide grooves, and the blood guide grooves are arranged from top to bottom in a narrow-to-wide manner; the blood guiding groove guides out the blood on the expansion plate, and the blood is prevented from spreading on the expansion plate.
Preferably, the front side wall of the adjusting square rod is provided with a scale marking layer, and the extracted length of the adjusting square rod is marked by the scale marking layer;
preferably, an extension mechanism is arranged in the expanding plate; the extension mechanism comprises an extension plate and a second screw rod; an adjusting groove is formed in the expanding plate, and the extending plate is movably clamped in the adjusting groove; a thread groove is formed in the middle of the extension plate, a second screw rod is inserted in the thread groove in a rotating mode, and the front end of the second screw rod penetrates through the front side wall of the expansion plate in a rotating mode through a sealing bearing; when the abdominal fat of the patient is more, the second screw rod is rotated to drive the extension plate to descend, so that the extension plate extends out of the expansion plate, the abdominal fat layer of the patient can be expanded, and the laparoscope can be conveniently used.
Preferably, the front end of the second screw is fixed with a hand screw, and rotating the hand screw helps to rotate the second screw.
The working principle of the invention is as follows: when the adjustable square bar is used, the first fixing bolt is unscrewed according to the position and the size of the notch, the adjusting ball is rotated, so that the angle between the adjusting square bar and the finger ring is changed, the use habit of a user is met, and the first fixing bolt is screwed down; loosening the second fixing bolt, drawing the adjusting square rod, adjusting the distance between the finger ring and the connecting clamp, facilitating the finger to accurately control the spreading distance of the two spreading plates, and screwing the second fixing bolt; the finger is clamped into the finger ring, the connecting rod is pressed into the limiting pipe, and the finger is pressed against the limiting pipe by the rubber arc pad under the action of the spring, so that the finger can be attached to the finger ring, and the finger is prevented from being attached to the finger ring by extra force in the using process; the expanding plate is stretched to the incision to be expanded, so that the laparoscope can be conveniently used.
Compared with the prior art, the invention has the beneficial effects that:
1. the supporting mechanism is arranged, when the finger is clamped into the finger ring, the finger is propped against the rubber arc pad under the action of the spring, so that the finger can be attached to the finger ring, the finger is prevented from being attached to the finger ring by extra force in the using process, and the concentration degree of a user is improved;
2. the finger ring is provided with a connecting mechanism, so that the distance and the angle between the finger ring and the connecting pliers can be adjusted according to the position and the size of the incision, and the finger can accurately control the opening distance of the two expansion plates.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a bottom view of fig. 1.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
Fig. 5 is an enlarged view of a portion C in fig. 4.
Fig. 6 is an enlarged view of a portion D in fig. 4.
Description of reference numerals:
the finger ring 1, the connecting clamp 2, the pin shaft 3, the rotating groove 4, the first screw rod 5, the nut 6, the expanding plate 7, the blood guiding groove 8, the supporting mechanism 9, the annular groove 9-1, the limiting pipe 9-2, the spring 9-3, the connecting rod 9-4, the rubber arc pad 9-5, the connecting mechanism 10, the connecting block 10-1, the spherical groove 10-2, the first fixing bolt 10-3, the adjusting ball 10-4, the adjusting square rod 10-5, the square groove 10-6, the scale identification layer 10-7, the second fixing bolt 10-8, the extending mechanism 11, the adjusting groove 11-1, the extending plate 11-2, the threaded groove 11-3, the second screw rod 11-4 and the hand screw 11-5.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the ring-shaped expansion joint comprises a ring 1, connecting pliers 2, a pin shaft 3, a first screw 5, a nut 6, an expansion plate 7, a supporting mechanism 9, a connecting mechanism 10 and an extending mechanism 11; the left sides of the two finger rings 1 are respectively provided with a connecting clamp 2, the two connecting clamps 2 are arranged in an up-and-down crossed manner, a pin shaft 3 is screwed at the crossed part of the two connecting clamps 2, and a rotating groove 4 is formed at the connecting part of the connecting clamp 2 positioned at the rear side and the connecting clamp 2 positioned at the front side; a first screw 5 is fixed at the front end of the pin shaft 3 through a bolt, and a nut 6 is screwed on the first screw 5; the nut 6 is screwed down, so that the connecting clamp 2 is fixed, and the laparoscope can be conveniently used; an expanding plate 7 is fixed on the left side of the connecting clamp 2 through a bolt; a plurality of blood guide grooves 8 are formed in the outer annular wall of the expanding plate 7, and the blood guide grooves 8 are arranged from top to bottom in a narrow-to-wide manner; the blood guiding groove 8 guides the blood on the expansion plate 7 out, so that the blood is prevented from spreading on the expansion plate 7;
a supporting mechanism 9 is arranged in the ring 1; the supporting mechanism 9 comprises a limiting pipe 9-2, a spring 9-3, a connecting rod 9-4 and a rubber arc pad 9-5; a ring groove 9-1 is arranged in the ring 1 in a penetrating way; a plurality of limiting pipes 9-2 are distributed and fixed on the inner annular wall of the annular groove 9-1 in an annular shape through bolts, and springs 9-3 are arranged in the limiting pipes 9-2; the outer end of the spring 9-3 is fixed on the inner annular wall of the annular groove 9-1 through a bolt, and the inner end of the spring 9-3 is fixed with the connecting rod 9-4 through a bolt; the connecting rod 9-4 is movably inserted in the limiting pipe 9-2; the inner end of the connecting rod 9-4 is fixedly adhered with a rubber arc pad 9-5 through glue;
the left side of the ring 1 is provided with a connecting mechanism 10; the connecting mechanism 10 comprises a connecting block 10-1, a first fixing bolt 10-3, an adjusting ball 10-4, an adjusting square rod 10-5, a scale marking layer 10-7 and a second fixing bolt 10-8; a connecting block 10-1 is fixed on the left side ring wall of the ring 1 through a bolt, a spherical groove 10-2 is formed in the connecting block 10-1, and an adjusting ball 10-4 is arranged in the spherical groove 10-2 in a rolling mode; a first fixing bolt 10-3 is screwed on the front side wall of the connecting block 10-1 in a penetrating manner, and the inner end of the first fixing bolt 10-3 is abutted against the adjusting ball 10-4; an adjusting square rod 10-5 is fixed at the outer end of the adjusting ball 10-4 through a bolt, a square groove 10-6 is formed in the right part of the connecting clamp 2, and the other end of the adjusting square rod 10-5 is movably inserted into the square groove 10-6; the front side wall of the adjusting square rod 10-5 is provided with a scale marking layer 10-7, and the scale marking layer 10-7 is beneficial to marking the drawn length of the adjusting square rod 10-5;
a second fixing bolt 10-8 is screwed and penetrated through the right side of the front side wall of the connecting clamp 2, and the inner end of the second fixing bolt 10-8 is abutted against an adjusting square rod 10-5;
an extension mechanism 11 is arranged in the expanding plate 7; the extension mechanism 11 comprises an extension plate 11-2, a second screw rod 11-4 and a hand screw 11-5; an adjusting groove 11-1 is formed in the expanding plate 7, and the extending plate 11-2 is movably clamped in the adjusting groove 11-1; a thread groove 11-3 is formed in the middle of the extension plate 11-2, a second screw rod 11-4 is inserted in the thread groove 11-3 in a rotating mode, and the front end of the second screw rod 11-4 is arranged on the front side wall of the expansion plate 7 in a rotating mode through a sealing bearing in a penetrating mode; the front end of the second screw rod 11-4 is fixed with a hand screw 11-5 through a bolt, the hand screw 11-5 is beneficial to rotating the second screw rod 11-4, when the fat of the abdomen of a patient is more, the hand screw 11-5 is rotated, so that the second screw rod 11-4 is rotated to drive the extension plate 11-2 to descend, the extension plate 11-2 extends out of the expanding plate 7, the fat layer of the abdomen of the patient can be expanded, and the use of a laparoscope is facilitated.
The working principle of the specific embodiment is as follows: when the adjustable square bar is used, the first fixing bolt 10-3 is unscrewed according to the position and the size of the cut, the adjusting ball 10-4 is rotated, the angle between the adjusting square bar 10-5 and the finger ring 1 is changed, the use habit of a user is met, and the first fixing bolt 10-3 is screwed down; loosening a second fixing bolt 10-8, drawing the adjusting square rod 10-5 according to the indication of the graduated scale layer, adjusting the distance between the ring 1 and the connecting clamp 2, facilitating the fingers to accurately control the spreading distance of the two spreading plates 7, and tightening the second fixing bolt 10-8; when the fat of the abdomen of the patient is more, the hand screw 11-5 is rotated to rotate the second screw rod 11-4 to drive the extension plate 11-2 to descend, so that the extension plate 11-2 extends out of the expansion plate 7, the fat layer of the abdomen of the patient can be expanded, and the use of the laparoscope is facilitated; the finger is clamped into the finger ring 1, the connecting rod 9-4 is pressed into the limiting pipe 9-2, and the finger is pressed against the rubber arc pad 9-5 under the action of the spring 9-3, so that the finger can be attached to the finger ring 1, and the finger is prevented from being attached to the finger ring 1 by extra force in the using process; the expanding plate 7 is stretched to the incision to be expanded, and the nut 6 is screwed down, so that the connecting clamp 2 is fixed, and the laparoscope can be conveniently used.
After adopting above-mentioned structure, this embodiment's beneficial effect does:
1. the supporting mechanism 9 is arranged, when the finger is clamped into the finger ring 1, the finger is supported by the rubber arc pad 9-5 under the action of the spring 9-3, so that the finger can be attached to the finger ring 1, the finger is prevented from being attached to the finger ring 1 by extra force in the using process, and the concentration degree of a user is improved;
2. the connecting mechanism 10 is arranged, so that the distance and the angle between the ring 1 and the connecting pliers 2 can be adjusted according to the position and the size of the incision, and the finger can accurately control the opening distance of the two expansion plates 7;
3. the extending mechanism 11 is arranged, when the abdomen of the patient has more fat, the expanding plate 7 can be extended, the fat layer of the abdomen of the patient can be expanded, and the use of the laparoscope is convenient.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (1)
1. A laparoscope incision expander comprises a ring (1), connecting forceps (2), a pin shaft (3) and an expanding plate (7); the left sides of the two finger rings (1) are respectively provided with a connecting clamp (2), the two connecting clamps (2) are arranged in an up-and-down crossed manner, the crossed part of the two connecting clamps (2) is rotatably connected with a pin shaft (3), and a rotating groove (4) is formed at the connecting part of the connecting clamp (2) positioned at the rear side and the connecting clamp (2) positioned at the front side; an expanding plate (7) is fixed on the left side of the connecting pliers (2);
the method is characterized in that: it also comprises a supporting mechanism (9) and a connecting mechanism (10);
a first screw rod (5) is fixed at the front end of the pin shaft (3), and a nut (6) is screwed on the first screw rod (5); the nut (6) is screwed down, so that the connecting clamp (2) is fixed, and the laparoscope can be conveniently used; a plurality of blood guide grooves (8) are formed in the outer annular wall of the expanding plate (7), and the blood guide grooves (8) are arranged from top to bottom in a narrow-to-wide manner; the blood guiding groove (8) guides the blood on the expansion plate (7) out to avoid the blood from spreading on the expansion plate (7);
a supporting mechanism (9) is arranged in the ring (1); the supporting mechanism (9) comprises a limiting pipe (9-2), a spring (9-3), a connecting rod (9-4) and a rubber arc pad (9-5); a ring groove (9-1) is arranged in the ring (1) in a penetrating way; a plurality of limiting pipes (9-2) are distributed and fixed on the inner annular wall of the annular groove (9-1) in an annular manner, and springs (9-3) are arranged in the limiting pipes (9-2); the outer end of the spring (9-3) is fixed on the inner annular wall of the annular groove (9-1), and the inner end of the spring (9-3) is fixed with the connecting rod (9-4); the connecting rod (9-4) is movably inserted in the limiting pipe (9-2); the inner end of the connecting rod (9-4) is fixed with a rubber arc pad (9-5);
the left side of the ring (1) is provided with a connecting mechanism (10); the connecting mechanism (10) comprises a connecting block (10-1), a first fixing bolt (10-3), an adjusting ball (10-4), an adjusting square rod (10-5) and a second fixing bolt (10-8); a connecting block (10-1) is fixed on the ring wall of the left side of the ring (1), a spherical groove (10-2) is formed in the connecting block (10-1), and an adjusting ball (10-4) is arranged in the spherical groove (10-2) in a rolling manner; a first fixing bolt (10-3) is screwed on the front side wall of the connecting block (10-1) in a penetrating manner, and the inner end of the first fixing bolt (10-3) is abutted against the adjusting ball (10-4); an adjusting square rod (10-5) is fixed at the outer end of the adjusting ball (10-4), a square groove (10-6) is formed in the right part of the connecting clamp (2), and the other end of the adjusting square rod (10-5) is movably inserted into the square groove (10-6); the front side wall of the adjusting square rod (10-5) is provided with a scale marking layer (10-7), and the extracted length of the adjusting square rod (10-5) is marked by the scale marking layer (10-7); a second fixing bolt (10-8) is screwed and penetrated through the right side of the front side wall of the connecting clamp (2), and the inner end of the second fixing bolt (10-8) is abutted against the adjusting square rod (10-5);
an extension mechanism (11) is arranged in the expanding plate (7); the extension mechanism (11) comprises an extension plate (11-2) and a second screw (11-4); an adjusting groove (11-1) is formed in the expanding plate (7), and the extending plate (11-2) is movably clamped in the adjusting groove (11-1); a thread groove (11-3) is formed in the middle of the extension plate (11-2), a second screw rod (11-4) is inserted in the thread groove (11-3) in a rotating mode, and the front end of the second screw rod (11-4) is arranged on the front side wall of the expansion plate (7) in a rotating mode through a sealing bearing; when the abdomen of the patient has more fat, the second screw rod (11-4) is rotated to drive the extension plate (11-2) to descend, so that the extension plate (11-2) extends out of the expansion plate (7), the fat layer of the abdomen of the patient can be expanded, and the use of the laparoscope is facilitated; the front end of the second screw rod (11-4) is fixedly provided with a hand screw (11-5), and the hand screw (11-5) is rotated to help rotate the second screw rod (11-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110879979.4A CN113598846B (en) | 2021-08-02 | 2021-08-02 | Laparoscope incision expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110879979.4A CN113598846B (en) | 2021-08-02 | 2021-08-02 | Laparoscope incision expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113598846A CN113598846A (en) | 2021-11-05 |
| CN113598846B true CN113598846B (en) | 2023-03-28 |
Family
ID=78339031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110879979.4A Active CN113598846B (en) | 2021-08-02 | 2021-08-02 | Laparoscope incision expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113598846B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4642895A (en) * | 1985-11-04 | 1987-02-17 | Gauvry Glenn A | Scissors with adjustable thumb loop |
| KR20160093847A (en) * | 2015-01-30 | 2016-08-09 | 이소정 | Resizable handle of the scissors |
| CN106344088B (en) * | 2016-11-03 | 2019-11-29 | 中国人民解放军总医院 | A kind of way of escape canalis spinalis operation minimally invasive retractor of soft tissue |
| CN206576899U (en) * | 2016-11-17 | 2017-10-24 | 上海市第五人民医院 | A kind of self-retractor |
| CN206867263U (en) * | 2016-11-24 | 2018-01-12 | 张雷 | A kind of novel orthopaedics stretching pliers |
| CN212037622U (en) * | 2020-03-19 | 2020-12-01 | 济宁医学院附属医院 | Retractor with adjustable depth |
| CN213532702U (en) * | 2020-08-28 | 2021-06-25 | 江苏科贝翔科技有限公司 | Medical scissors |
-
2021
- 2021-08-02 CN CN202110879979.4A patent/CN113598846B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113598846A (en) | 2021-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8801608B2 (en) | Two-stage spinal access channel with psoas docking | |
| US4465065A (en) | Surgical device for connection of fractured bones | |
| US4312337A (en) | Cannula and drill guide apparatus | |
| US20070118119A1 (en) | Methods and device for dynamic stabilization | |
| JP5542771B2 (en) | Percutaneous approach device and method | |
| JP2000511788A (en) | Percutaneous surgical device and method | |
| WO2016119082A1 (en) | Tendo calcaneus suturing instrument and use method therefor | |
| US20070038034A1 (en) | Systems and methods for performing percutaneous surgery | |
| CN112656469A (en) | Rapid limiting device and rapid limiting method for laparoscopic surgery wound suturing | |
| CN111803015A (en) | Integrated suction sleeve of movable nasal endoscope | |
| CN113598846B (en) | Laparoscope incision expander | |
| CN204655041U (en) | A kind of adjustable shaft fracture reset pressurization boring steering tool | |
| CN216777126U (en) | Tissue expander for minimally invasive surgery | |
| CN212574956U (en) | Multifunctional separation forceps under endoscope | |
| CN113413194A (en) | Laparoscope separating forceps capable of adjusting angle of forceps tip | |
| CN112754588A (en) | Multifunctional visible trepan for double-channel minimally invasive surgery | |
| CN220898758U (en) | Vocal cyst excision sword | |
| CN114601529B (en) | Laparoscopic auxiliary forceps and laparoscopic surgical instrument | |
| CN216455196U (en) | Combined operation device for arthroscopic carpal tunnel release | |
| CN210330676U (en) | 2mm needle point form peritoneoscope separation pincers with puncture function | |
| CN218128785U (en) | Be used for backbone minimal access surgery multi-angle location director | |
| CN205055158U (en) | Percutaneous passageway expansion pincers | |
| CN109394283A (en) | A kind of gynecological surgery stretching pliers | |
| CN107198559B (en) | Adjustable fracture reduction device | |
| US20090182367A1 (en) | Adjustable Width Trocar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |