CN211911739U

CN211911739U - Surgical scalpel for hospital

Info

Publication number: CN211911739U
Application number: CN202020043103.7U
Authority: CN
Inventors: 胡永煌
Original assignee: Nanan Shangying Machinery Technology Co Ltd
Current assignee: Nanan Shangying Machinery Technology Co Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-11-13
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to the technical field of medical equipment, and a surgical knife for hospital surgery is disclosed, including the handle of a knife, the opening cavity has been seted up to one side lateral wall of handle of a knife, and the round bar of the vertical setting of the inner wall fixedly connected with of opening cavity, the lateral wall of round bar rotates and is connected with the gear, the spout has all been seted up to the both sides inner wall of opening cavity, and sliding connection has the slider in the spout. This kind of surgical scalpel for hospital, through setting up two spouts and slider, can set up two support frames in the handle of a knife, and utilize two fixed for the scalpel blades of two support frames, can regard one of them as reserve blade to use, can realize quick tool changing at the operation in-process, improve the operating efficiency, reduce operating time, it is painful to reduce the patient, through setting up rack cooperation gear, can be when retrieving into the handle of a knife with one of them blade in, drive another blade and outwards stretch out, thereby reach the purpose of quick tool changing.

Description

Surgical scalpel for hospital

Technical Field

The utility model relates to the technical field of medical equipment, specifically a surgical knife for hospital surgery.

Background

The scalpel usually comprises blade and handle of a knife, and the blade usually has blade and the mounting groove of butt joint with the scalpel handle, and the material usually adopts pure titanium, titanium alloy, stainless steel or carbon steel material, and the cutting edge is used for cutting open skin and muscle during dissection, and the knife tip is used for repairing blood vessel and nerve, and the handle of a knife is used for blunt nature separation. The blade and the knife handle with proper models are selected according to the size of the wound. Because the common surgical knife has the characteristic of zero damage to tissues after cutting, the surgical knife can be applied to various operations, but the wound surface bleeding after cutting is active and the surgical knife is applied to the operations with more bleeding in a control mode.

In the prior art, the cutting edge of the scalpel is a main working part and is worn greatly, once the cutting edge is worn, the scalpel needs to be replaced, so that resource waste is caused, and if the cutting edge is damaged in the dissection process and cannot be replaced immediately, dissection is influenced, and dissection efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a surgical scalpel for hospital, possess and to store reserve blade, can quick replacement blade, convenient to use is convenient for wash advantages such as maintenance, has solved the problem that the background art provided.

(II) technical scheme

Can store reserve blade for realizing the aforesaid, can quick replacement blade, convenient to use is convenient for wash the purpose of maintaining, the utility model provides a following technical scheme: a surgical knife for hospital surgery comprises a knife handle, wherein an open cavity is formed in the side wall of one side of the knife handle, a vertically arranged round rod is fixedly connected to the inner wall of the open cavity, a gear is rotatably connected to the side wall of the round rod, sliding grooves are formed in the inner walls of the two sides of the open cavity, sliding blocks are connected in the sliding grooves in a sliding mode, racks meshed with the gear are fixedly connected to the side walls, close to each other, of the sliding blocks, supporting frames are fixedly connected to one ends, away from the knife handle, of the two racks, strip-shaped clamping blocks are fixedly connected to the inner wall, close to each other, of each supporting frame, blades are clamped to the two supporting frames, limiting grooves matched with the strip-shaped clamping blocks are formed in the side walls of the blades, a round hole is formed in one end, away from the blades, of one of the, and two fixture blocks of lateral wall fixedly connected with of circle cover, a plurality of spin have been placed in the round hole, and the spin rotates with the lateral wall of circle cover to be connected, the rack is close to the lateral wall of round hole and sets up the hole of stepping down that two symmetries set up, and steps down hole and round hole intercommunication setting, the round hole interpolation is equipped with the cylinder, and the cylinder keeps away from the one end of round hole and runs through the inner wall of opening cavity and extend to the outside setting of handle of a knife, is located the outside cylinder fixedly connected with ball of handle of a knife, and ball and handle of a knife counterbalance setting, the inner wall fixedly connected with of opening cavity two ejector pins that match with the hole.

Preferably, the one end that the ejector pin is close to the hole of stepping down has seted up the chamfer, and the fixed cover of lateral wall of ejector pin is equipped with the rubber pad, the external diameter of rubber pad is greater than the internal diameter in the hole of stepping down.

Preferably, the side wall of the ball close to the knife handle is fixedly connected with two L-shaped clamping blocks, and the side walls of the upper side and the lower side of the knife handle are provided with clamping grooves matched with the L-shaped clamping blocks.

Preferably, a plurality of water inlets are formed in the side wall of the cutter handle, the water inlets are communicated with the opening cavity, and the water inlets are far away from the blade.

Preferably, the cylinder is in a shape of a circular truncated cone, and the outer diameter of one end, far away from the ball, of the cylinder is larger than the outer diameter of one end, close to the ball, of the cylinder.

Preferably, the round hole is in a round table shape, the inner diameter of one end, close to the blade, of the round hole is larger than that of one end, away from the blade, of the round hole, and a spherical groove is formed in the inner wall of one end, close to the sphere, of the round hole.

Preferably, a plurality of scale grooves are formed in the side walls of the two sides of the blade, and the distance between the scale grooves is 1 mm.

Preferably, the side wall of the knife handle is provided with a plurality of vertically arranged anti-skidding grooves, and the upper surface of the knife handle is provided with an arc-shaped groove

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the surgical knife for the hospital surgery can be provided with two supporting frames in the knife handle by arranging two sliding grooves and sliding blocks, and two blades for the surgical knife are fixed by the two supporting frames, one of the blades can be used as a spare blade, the quick knife changing can be realized in the surgical process, the surgical efficiency is improved, the operation time is shortened, the pain of a patient is reduced, one of the blades can be driven to extend outwards when being recovered into the knife handle by arranging the rack matching gear, so that the purpose of quick knife changing is achieved, the ball can be pulled down to drive one of the racks to move towards the direction of the ball and lead the other blade to extend out from the knife handle by arranging the ball matching cylinder, the tool changing step is simplified, the cylinder can be clamped in the round hole by arranging the compression spring matching ball, the situation that the blades cannot be driven to move when the ball is pulled is avoided, through setting up ejector pin cooperation fixture block, can insert the downthehole back of stepping down at the ejector pin, drive the ball and remove, make cylinder and round hole break away from, can take off the cylinder from the handle of a knife this moment, avoid keeping away from the cylinder that blade one end stretches out by the handle of a knife and disturb the primary knife doctor and perform the operation.

2. This kind of surgical scalpel for hospital's surgery can make the more light the inserting of ejector pin step down downthehole through setting up the chamfer, can make the ejector pin increase with the inner wall frictional force in hole of stepping down through setting up the rubber pad to utilize the elastic potential energy of rubber pad, improve the ejector pin and the frictional force in hole inner wall of stepping down, thereby fixed blade after changing.

3. This kind of surgical scalpel for hospital through setting up L shape fixture block and draw-in groove, can the fixed ball to make the unable removal of cylinder, finally realize the purpose of fixed blade, avoid taking place the skew at the operation in-process blade, ensure the normal clear of operation.

4. This kind of surgical scalpel for hospital through the opening that sets up a plurality of inlet openings cooperation opening cavity, can improve the clean effect of handle of a knife in the convenient antiseptic solution gets into the handle of a knife when soaking the disinfection to the handle of a knife, avoid the handle of a knife not have the repeated pollution that the sanitization leads to, on the other hand, because the round hole sets up with the hole of stepping down intercommunication, also can let the antiseptic solution get into, avoid appearing sanitary dead angle.

5. This kind of surgical scalpel for hospital, because scalpel blade kind model is more, and the size difference is different, can assist the main surgeon doctor to judge the depth of cut-in of scalpel through set up the scale groove on the blade, make the main surgeon doctor can be accurate dissect patient's organ tissue, avoid the emergence of medical accident.

6. This kind of scalpel for surgery of hospital can improve the stability that the doctor of main knife held the sword through setting up anti-skidding groove, and through setting up the arc wall, can further improve the doctor of main knife's the sword of holding and experience, makes things convenient for the doctor of main knife to use finger-pressure formula, holds the formula and the anti-formula of choosing of holding the sword mode.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the round hole structure of the present invention.

In the figure: 1. a knife handle; 2. an open cavity; 3. a round bar; 4. a gear; 5. a chute; 6. a slider; 7. a rack; 8. a support frame; 9. a strip-shaped fixture block; 10. a blade; 11. a circular hole; 12. a compression spring; 13. a round sleeve; 14. a clamping block; 15. rolling a ball; 16. a hole of abdication; 17. a cylinder; 18. a ball; 19. a top rod; 20. a rubber pad; 21. an anti-slip groove; 22. an arc-shaped slot; 23. a water inlet hole; 24. a scale groove; 25. an L-shaped fixture block; 26. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a surgical knife for hospital surgery comprises a knife handle 1, a plurality of vertically arranged anti-slip grooves 21 are formed in the side wall of the knife handle 1, an arc groove 22 is formed in the upper surface of the knife handle 1, the stability of knife holding of a main doctor can be improved by arranging the anti-slip grooves 21, knife holding experience of the main doctor can be further improved by arranging the arc groove 22, the main doctor can conveniently use finger-pressing type, pen-holding type and reversed picking type knife holding modes, a plurality of water inlet holes 23 are formed in the side wall of the knife handle 1, the water inlet holes 23 are communicated with an opening cavity 2, the water inlet holes 23 are far away from a blade 10, disinfectant can conveniently enter the knife handle 1 when the knife handle 1 is soaked and disinfected by arranging the plurality of water inlet holes 23 to match with the opening of the opening cavity 2, the cleaning effect of the knife handle 1 is improved, and repeated pollution caused by no clean cleaning of the knife handle 1 is avoided, an opening cavity 2 is formed in the side wall of one side of a knife handle 1, a vertically arranged round rod 3 is fixedly connected to the inner wall of the opening cavity 2, a gear 4 is rotatably connected to the side wall of the round rod 3, sliding grooves 5 are formed in the inner walls of the two sides of the opening cavity 2, a sliding block 6 is slidably connected to the sliding grooves 5, racks 7 meshed with the gear 4 are fixedly connected to the side walls, close to each other, of the sliding blocks 6, supporting frames 8 are fixedly connected to the ends, far away from the knife handle 1, of the two racks 7, strip-shaped clamping blocks 9 are fixedly connected to the inner wall, close to each other, of each supporting frame 8, blades 10 are clamped to the two supporting frames 8, a plurality of scale grooves 24 are formed in the side walls of the two sides of each blade 10, the intervals among the scale grooves 24 are 1mm, numbers matched with the scale grooves 24 are formed in the side walls of the blades 10, and due to the fact that the types and the types of, the main surgeon can accurately dissect organ tissues of a patient, medical accidents are avoided, the side wall of the blade 10 is provided with a limiting groove matched with the strip-shaped fixture blocks 9, one end of one rack 7, far away from the blade 10, is provided with a round hole 11, the round hole 11 is in a round table shape, the inner diameter of one end, close to the blade 10, of the round hole 11 is larger than that of one end, far away from the blade 10, of the round hole 11, the inner wall of one end, close to the round ball 18, of the round hole 11 is provided with a spherical groove, the rolling ball 15 can be clamped through the spherical groove, the rolling ball 15 is abutted against the cylinder 17, the cylinder 17 is ensured not to be separated from the round hole 11, the inner wall of the round hole 11 is fixedly connected with a compression spring 12, one end, far away from the blade 10, of the compression spring 12 is fixedly connected with a round sleeve 13, the side wall of the round sleeve 13 is, the side wall of the rack 7 close to the round hole 11 is provided with two symmetrically arranged abdicating holes 16, the abdicating holes 16 are communicated with the round hole 11, the round hole 11 is inserted with a cylinder 17, the cylinder 17 is in a round table shape, the outer diameter of the end of the cylinder 17 far away from the round ball 18 is larger than that of the end of the cylinder 17 close to the round ball 18, one end of the cylinder 17 far away from the round hole 11 penetrates through the inner wall of the open cavity 2 and extends to the outside of the knife handle 1, the cylinder 17 outside the knife handle 1 is fixedly connected with the round ball 18, the side wall of the round ball 18 close to the knife handle 1 is fixedly connected with two L-shaped fixture blocks 25, the upper side wall and the lower side wall of the knife handle 1 are both provided with clamping grooves 26 matched with the L-shaped fixture blocks 25, the round ball 18 can be fixed by arranging the L-shaped fixture blocks 25 and the clamping grooves 26, thereby, the normal clear of guarantee operation, and ball 18 offsets with handle of a knife 1 and sets up, two ejector pins 19 that match with hole 16 of stepping down of inner wall fixedly connected with of opening cavity 2, ejector pin 19 has seted up the chamfer near the one end of hole 16 of stepping down, and the fixed cover of lateral wall of ejector pin 19 is equipped with rubber pad 20, rubber pad 20's external diameter is greater than the internal diameter of hole 16 of stepping down, can make ejector pin 19 more light insert through setting up the chamfer and step down in the hole 16, can make ejector pin 19 and the increase of the inner wall frictional force of hole 16 of stepping down through setting up rubber pad 20, and utilize rubber pad 20's elastic potential energy, improve the frictional force of ejector pin 19 and the 16 inner wall of hole of stepping down, thereby fixed blade 10 after changing.

The working principle is as follows: in the process of operation of a doctor, because the hardness of the blade 10 is high but the toughness is poor, meanwhile, the blade 10 is light and thin and is easy to wear or damage a cutting edge when a human tissue organ is dissected, at this time, the doctor selects a tool changing time according to actual requirements, when in tool changing, firstly, the doctor rotates the ball 18 to drive the L-shaped fixture block 25 to rotate, so that the L-shaped fixture block 25 is separated from the clamping groove 26, the ball 18 can be pulled towards a direction far away from the blade 10, after the ball 18 is pulled, the cylinder 17 moves along with the ball 18, at this time, the ball 15 is positioned in the spherical groove under the elastic force of the compression spring 12, one side of the ball 15 is abutted against the cylinder 17, the other side is abutted against the inner wall of the circular hole 11, and the inner diameter of one end of the cylinder 17 far away from the ball 18 is large, so that the cylinder 17 is clamped by the cylinder 15 and can not be separated, therefore, the supporting frame 8 can be driven to move, the blade 10 positioned outside the knife handle 1 is recycled into the knife handle 1, meanwhile, the rack 7 drives the gear 4 to rotate, the other rack 7 moves towards the direction far away from the round ball 18, and the purpose of extending the blade 10 positioned in the knife handle 1 is achieved, along with the movement of the cylinder 17, the ejector rod 19 is gradually inserted into the abdicating hole 16, then the ejector rod 19 butts against the fixture block 14 to drive the fixture block 14 to move towards the direction far away from the round ball 18, and the fixture block 14 moves to drive the rolling ball 15 to move towards the direction far away from the round ball 18, because the inner diameter of the round hole 11 at the end far away from the round ball 18 is larger, the rolling ball 15 and the cylinder 17 can not be abutted any more, so that the cylinder 17 can be separated from the round hole 11, and the ejector rod 19 is matched with the rubber pad 20 to be clamped into the abdicating hole 16, thereby, at this moment, the main scalpel doctor takes down the pulled column 17 and the pulled round ball 18 and stores the column and the round ball by an assistant, the whole tool changing process is fast and convenient, the operation of the main scalpel doctor is not delayed, after the operation is completed, the conical tool is inserted into the supporting frame 8 to prop the supporting frame 8 open, the used blade 10 is taken down, the standby blade 10 is taken down in a tool changing mode or the column 17 is inserted into the scalpel handle 1, the damaged blade 10 is taken down, and then the scalpel handle 1 and the blade 10 are cleaned and sterilized through a high-temperature sterilization or disinfectant water soaking mode.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A surgical knife for hospital surgery, comprising a knife handle (1);

the method is characterized in that:

an opening cavity (2) is formed in the side wall of one side of the knife handle (1), a vertically arranged round rod (3) is fixedly connected to the inner wall of the opening cavity (2), a gear (4) is rotatably connected to the side wall of the round rod (3), sliding grooves (5) are formed in the inner walls of the two sides of the opening cavity (2), a sliding block (6) is slidably connected in the sliding grooves (5), racks (7) meshed with the gear (4) are fixedly connected to the side wall, close to each other, of the sliding block (6), one ends, far away from the knife handle (1), of the two racks (7) are fixedly connected with supporting frames (8), a strip-shaped clamping block (9) is fixedly connected to the inner wall, close to each other, of each supporting frame (8), a knife blade (10) is clamped to the two supporting frames (8), and a limiting groove matched with the strip-shaped clamping block (9, one end of the rack (7) far away from the blade (10) is provided with a round hole (11), the inner wall of the round hole (11) is fixedly connected with a compression spring (12), one end of the compression spring (12) far away from the blade (10) is fixedly connected with a round sleeve (13), the side wall of the round sleeve (13) is fixedly connected with two clamping blocks (14), a plurality of rolling balls (15) are placed in the round hole (11), the rolling balls (15) are rotationally connected with the side wall of the round sleeve (13), the side wall of the rack (7) close to the round hole (11) is provided with two symmetrically-arranged abdicating holes (16), the abdicating holes (16) are communicated with the round hole (11), a cylinder (17) is inserted into the round hole (11), one end of the cylinder (17) far away from the round hole (11) penetrates through the inner wall of the opening cavity handle (2) and extends to the outer part of the handle (1), the cylinder (17) positioned outside the handle (1) is, and the sphere (18) is abutted against the knife handle (1), and the inner wall of the opening cavity (2) is fixedly connected with two ejector rods (19) matched with the abdicating holes (16).

2. The hospital surgical scalpel according to claim 1, wherein: the one end that ejector pin (19) are close to hole (16) of stepping down has seted up the chamfer, and the fixed cover of lateral wall of ejector pin (19) is equipped with rubber pad (20), the external diameter of rubber pad (20) is greater than the internal diameter of hole (16) of stepping down.

3. The hospital surgical scalpel according to claim 1, wherein: the side wall of the round ball (18) close to the knife handle (1) is fixedly connected with two L-shaped clamping blocks (25), and the side walls of the upper side and the lower side of the knife handle (1) are respectively provided with a clamping groove (26) matched with the L-shaped clamping blocks (25).

4. The hospital surgical scalpel according to claim 1, wherein: a plurality of water inlets (23) are formed in the side wall of the knife handle (1), the water inlets (23) are communicated with the opening cavity (2), and the water inlets (23) are far away from the blade (10).

5. The hospital surgical scalpel according to claim 1, wherein: the cylinder (17) is in a round table shape, and the outer diameter of one end, far away from the round ball (18), of the cylinder (17) is larger than the outer diameter of one end, close to the round ball (18), of the cylinder (17).

6. The hospital surgical scalpel according to claim 1, wherein: the round hole (11) is in a round table shape, the inner diameter of one end, close to the blade (10), of the round hole (11) is larger than that of one end, away from the blade (10), of the round hole (11), and a spherical groove is formed in the inner wall of one end, close to the sphere (18), of the round hole (11).

7. The hospital surgical scalpel according to claim 1, wherein: a plurality of scale grooves (24) have all been seted up to the both sides lateral wall of blade (10), and the interval in a plurality of scale grooves (24) is 1 mm.

8. The hospital surgical scalpel according to claim 1, wherein: the anti-skidding groove (21) of many vertical settings are seted up to the lateral wall of handle of a knife (1), and arc wall (22) have been seted up to the upper surface of handle of a knife (1).