CN219070542U

CN219070542U - Minimally invasive scalpel with adjusting device

Info

Publication number: CN219070542U
Application number: CN202222826788.4U
Authority: CN
Inventors: 马笃军; 刘乐诗; 周紫琼; 钟秋辉; 赵静; 朱厚均
Original assignee: Shenzhen Traditional Chinese Medicine Hospital
Current assignee: Shenzhen Traditional Chinese Medicine Hospital
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-26
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a have adjusting device's wicresoft scalpel, this scalpel includes handle of a knife and blade, this handle of a knife includes handle of a knife main part, adjustable vernier and blade chuck, has the clearance in the middle of this handle of a knife main part, is connected with adjustable vernier at handle of a knife main part lower extreme, is connected with the blade chuck at the lower extreme of adjustable vernier, and this blade chuck is installed in the movable spout of adjustable vernier, and this blade chuck includes two sets of, corresponds two blades respectively. This have adjusting device's wicresoft scalpel adjusts two blade chucks of relative setting through the vernier scale at the handle lower extreme, can be quick accurate confirm the incision width that determines in advance, set up two tool bits, can once only quick accurate open skin incision, the process need not to reciprocate in addition and carries out incision flaring action, guarantee skin incision edge level, incision length measurable, be difficult for damaging dark fascia, and this scalpel assembly process is simple, cost with low costs can used repeatedly, be fit for promoting clinical application on a large scale.

Description

Minimally invasive scalpel with adjusting device

[ field of technology ]

The utility model relates to the technical field of medical instruments, in particular to the technical field of surgical knife adjusting structures for minimally invasive incisions.

[ background Art ]

With the development of medical equipment and the continuous improvement of the medical technology level, a plurality of operations can be carried out in a minimally invasive mode under the requirements of accurate medical treatment and post-healing attractiveness, and the damage of the operations to normal tissues is reduced as much as possible, the wound surface is reduced as much as possible, and the influence of the operations to the functions of all systems of the whole body is reduced to the greatest extent.

The surgical knife handle used for the minimally invasive surgery in the orthopedic surgery room at present belongs to a conventional simple knife handle, one knife handle can only be provided with one surgical knife blade, and the knife blade with standard specification is inserted into a groove of the knife handle in a sliding manner and clamped into a clamping head to finish fixation. The surgeon repeatedly performs skin incision flaring actions back and forth when performing minimally invasive skin incision, particularly for skin incisions with positioning guide wires, which can easily lead to uneven edges of the minimally invasive skin incision, fascia rupture, and incapability of measuring the length of the skin incision. Therefore, how to quickly perform the accurate incision opening of the minimally invasive skin, the incision skin margin is required to be protected, the deep fascia is less damaged, and the operation is performed by adopting the existing scalpel with great technical difficulty.

[ utility model ]

Compared with the conventional operating knife in the prior operating room, the simple minimally invasive surgical incision surgical knife has the advantages of being capable of assisting the surgical knife to perform rapid, measurable and smooth skin incision, and being minimally invasive, controllable, easy to operate and the like.

The utility model relates to a minimally invasive surgical knife with an adjusting device, which comprises a knife handle and a blade and is characterized in that the knife handle comprises a knife handle main body, an adjustable vernier and a blade chuck, a gap for accommodating a positioning guide wire to pass through is formed in the middle of the knife handle main body, the lower end of the knife handle main body is connected with the adjustable vernier, the lower end of the adjustable vernier is connected with the blade chuck, the blade chuck is arranged in a movable chute of the adjustable vernier through a screw, and the blade chuck comprises two groups of blades which correspond to two blades respectively.

The cutter handle main body is provided with depth scales which are uniformly distributed along the vertical direction.

The adjustable vernier is provided with a horizontally arranged width scale, and the position of the scale value '0' is arranged at the middle of the horizontal position.

The position of the scale value '0' on the adjustable vernier is aligned with the middle clearance of the main body of the knife handle.

Two movable sliding grooves are arranged at the lower end of the adjustable vernier and are a first movable sliding groove and a second movable sliding groove respectively, and the first movable sliding groove and the second movable sliding groove are aligned in the middle of the position where the scale value '0' on the adjustable vernier is located.

The first blade chuck is fixed into the first movable chute through the screw hole, the second blade chuck is fixed into the second movable chute through the screw hole through the screw.

The two blades are respectively a first blade and a second blade, and the first blade and the second blade are clamped into the first blade chuck and the second blade chuck through the blade grooves.

According to the minimally invasive scalpel with the adjusting device, the vernier scale with scales is arranged at the lower end of the handle to adjust the two oppositely arranged blade chucks, so that the incision width determined in advance can be determined quickly and accurately, the two cutter heads are arranged, the skin incision can be opened quickly and accurately at one time, the incision flaring action is not needed to be performed in a reciprocating mode, the smooth edge of the skin incision, the measurable incision length and the difficulty in damaging deep fascia are ensured, the assembly process of the scalpel is simple, the manufacturing cost is low, the scalpel can be used repeatedly, and the scalpel is suitable for popularization of large-scale clinical application.

[ description of the drawings ]

FIG. 1 is a schematic view of a minimally invasive scalpel with an adjustable device in accordance with the present utility model;

FIG. 2 is a schematic view of a minimally invasive scalpel with an adjustable device according to the present utility model;

wherein: 10. a knife handle; 11. a handle body; 111. depth scale; 12. an adjustable vernier; 121. a movable chute; 121A, a first movable chute; 121B, a second movable chute; 122. a width scale; 123. scale value "0"; 13. a blade cartridge; 13A, a first blade cartridge; 13B, a second blade cartridge; 131. screw holes; 14. a gap; 20. a blade; 21. a first blade; 22. a second blade; 23. a blade recess; 30. and (5) a screw.

[ detailed description ] of the utility model

The present utility model will be described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1, there is shown a minimally invasive surgical knife with an adjusting device according to the present utility model, comprising a knife handle 10 and a blade 20, wherein the knife handle 10 comprises a knife handle main body 11, an adjustable vernier 12 and a blade clamping head 13, a gap 14 for receiving a positioning guide wire to pass through is provided in the middle of the knife handle main body 11, the adjustable vernier 12 is connected to the lower end of the knife handle main body 11, the blade clamping head 13 is connected to the lower end of the adjustable vernier 12, the blade clamping head 13 is mounted in a movable chute 121 of the adjustable vernier 12 through a screw 30, and the blade clamping head 13 comprises two groups corresponding to two blades 20.

The cutter handle main body 11 is provided with depth scales 111 which are uniformly distributed along the vertical direction.

A horizontally disposed width scale 122 is provided on the adjustable vernier 12, with the scale value "0"123 being centrally disposed in the horizontal position.

The position of the scale value "0"123 on the adjustable vernier is aligned centrally with the gap 14 in the middle of the shank body 11.

Two movable sliding grooves 121, a first movable sliding groove 121A and a second movable sliding groove 121B, are arranged at the lower end of the adjustable vernier 12, and the first movable sliding groove 121A and the second movable sliding groove 121B are aligned in the middle with the position of a scale value '0' 123 on the adjustable vernier.

The blade cartridge 13 includes two sets, a first blade cartridge 13A having a screw hole 131 at the end of the first blade cartridge 13A, the first blade cartridge 13A being fixed into the first movable chute 121A by a screw 30 through the screw hole 131, and a second blade cartridge 13B having a screw hole 131 at the end of the second blade cartridge 13B, the second blade cartridge 13B being fixed into the second movable chute 121B by a screw 30 through the screw hole 131.

The two blades 20 are a first blade 21 and a second blade 22, respectively, and the first blade 21 and the second blade 22 are engaged into the first blade cartridge 13A and the second blade cartridge 13B through the blade grooves 23.

The specific operation process of the minimally invasive surgical knife with the adjusting device is as follows: before skin operation cutting, the adjustable vernier 12 is fixed to the lower end of the cutter handle body 11 through a screw 30, then the first blade chuck 13A and the second blade chuck 13B respectively correspond to the first movable sliding chute 121A and the second movable sliding chute 121B of the adjustable vernier, the adjustable vernier is fixed through screwing, and then the blade is clamped into the blade chuck through sliding of the blade groove to be clamped and fixed.

The relative distance between the blade chucks on the adjustable vernier is adjusted according to the size of the minimally invasive incision planned before the operation, and the distance is determined by moving the position of the blade chucks in the movable chute. When in skin cutting operation, the installed surgical knife handle is connected with the positioning guide wire through the clearance 14 where the guide wire passes through, and the skin cutting operation is carried out along the positioning guide wire. The width scale 122 on the adjustable vernier 12 can be used to determine the surgical incision width and the depth scale 111 on the handle body 11 can be used to determine the incision depth.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a have adjusting device's wicresoft scalpel, includes handle of a knife and blade, its characterized in that, this handle of a knife includes handle of a knife main part, adjustable vernier and blade chuck, has the clearance that holds the location seal wire and pass in the middle of this handle of a knife main part, is connected with adjustable vernier at handle of a knife main part lower extreme, is connected with the blade chuck at the lower extreme of adjustable vernier, and this blade chuck passes through the screw mounting in the movable spout of adjustable vernier, and this blade chuck includes two sets of, corresponds two blades respectively.

2. The minimally invasive surgical knife with the adjusting device according to claim 1, wherein depth scales are arranged on the knife handle body and are uniformly distributed along the vertical direction.

3. The minimally invasive surgical knife with the adjusting device according to claim 1, wherein a horizontally arranged width scale is arranged on the adjustable vernier, and the position of the scale value of 0 is arranged at the center of the horizontal position.

4. A minimally invasive surgical knife with an adjustment device according to claim 3, wherein the position of the scale value "0" on the adjustable vernier is centrally aligned with the gap in the middle of the handle body.

5. The minimally invasive surgical knife with an adjusting device according to claim 4, wherein two movable sliding grooves are provided at the lower end of the adjustable vernier, a first movable sliding groove and a second movable sliding groove respectively, and the first movable sliding groove and the second movable sliding groove are aligned in the middle with the scale value of 0 on the adjustable vernier.

6. The minimally invasive surgical knife with adjustment device of claim 5, wherein the bladed cartridge comprises two sets, a first bladed cartridge having a screw hole at its trailing end, the first bladed cartridge being secured into the first movable chute by a screw passing through the screw hole, and a second bladed cartridge having a screw hole at its trailing end, the second bladed cartridge being secured into the second movable chute by a screw passing through the screw hole.

7. The minimally invasive surgical knife with adjustment device of claim 6, wherein the two blades are first and second blades, respectively, that snap into the first and second blade cartridges through the blade grooves.