CN221205585U

CN221205585U - Scalpel with protective structure

Info

Publication number: CN221205585U
Application number: CN202321960562.1U
Authority: CN
Inventors: 蔡静
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-06-25
Anticipated expiration: 2033-07-25

Abstract

The utility model provides a scalpel with a protective structure, which comprises a handle and a cutter holder, wherein the top end of the handle is provided with a mounting groove, one side of the mounting groove is provided with a sliding groove, the top of the handle is provided with a first fixing hole penetrating through the mounting groove, a fixing block at the bottom of the cutter holder is inserted into the mounting groove, the fixing block is fixed by being matched with the first fixing hole through a first limiting protrusion, then an adjusting block is pushed upwards to enable a slider to drive a cutter head to lift out of the adjusting groove, the position of the slider is fixed by being matched with a second fixing hole through a second limiting protrusion, when the scalpel is required to be disassembled, the second limiting protrusion is firstly pressed, and under the action of a second spring, the slider drives a blade to retract into the adjusting groove, so that medical staff can be prevented from being scratched when the blade is disassembled, the safety coefficient of the medical staff is improved, and the occupational exposure risk of the medical staff is reduced.

Description

Scalpel with protective structure

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a scalpel with a protective structure.

Background

The traditional surgical knife is a metal knife handle and a surgical knife blade, when the surgical knife is required to be used, the knife blade is required to be taken out and then assembled with the knife handle, the knife blade is required to be disassembled and put into a sharp instrument box after the use is finished, and the risk that medical staff is scratched by the knife blade exists in the process of installing and disassembling the knife blade, and the application number of the traditional surgical knife is 202023348102.2, which discloses a scratch-proof minimally invasive surgical knife, wherein the knife blade comprises a knife head part and a knife body part which are connected with each other; the cutter head part comprises a cutter blade, nesting protrusions are arranged at the tail end of the cutter blade, protection plates are symmetrically arranged on two sides of the cutter blade, and the protection plates are hinged to the nesting protrusions; the utility model provides a surgical knife, including blade portion, blade portion includes the handle of a knife, the front end configuration of handle of a knife has the nested bellied nested recess "of being used for the installation, and above-mentioned scalpel can wrap up the cover to the blade through the protection shield that sets up when using for medical staff can not direct contact the blade when the dismouting blade, and then can avoid the blade fish tail medical staff at the dismouting in-process, and can avoid being polluted at this in-process blade, fix the assembly that makes blade portion and blade portion more convenient through nested bellied and nested recess complex mode, but above-mentioned scalpel still has certain not enough when using: the blade exposes before dismantling the blade, needs medical personnel to manually rotate the protection shield, utilizes the protection shield to wrap up the protection to the blade, nevertheless still has the risk of blade fish tail medical personnel at the in-process of rotating the protection shield, based on this, we propose that a doctor knife that before dismantling the blade can not contact medical personnel is very practical.

Disclosure of utility model

The utility model aims to provide a scalpel with a protective structure, and aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the scalpel with the protective structure comprises a handle, wherein the top end of the handle is provided with a mounting groove, one side of the mounting groove is provided with a sliding groove, and the top of the handle is provided with a first fixing hole penetrating through the mounting groove;

The tool apron comprises a mounting seat, a fixed block is fixedly connected to the bottom end of the mounting seat, a first groove is formed in one side of the bottom of the fixed block, a first limiting protrusion is connected in the first groove in a penetrating mode, a first limiting block is fixedly connected to one end of the first limiting protrusion located in the first groove, a first spring is connected between the first limiting block and the first groove, an adjusting groove is formed in the top end of the mounting seat, a sliding block is slidably mounted in the adjusting groove, a second spring is connected to the inner bottom end of the adjusting groove, one end of the second spring is fixedly connected with the bottom end of the sliding block, an adjusting block is fixedly connected to one side of the sliding block, a strip-shaped groove penetrating through the adjusting groove is formed in one side of the mounting seat, and the adjusting block is slidably mounted in the strip-shaped groove and extends to the outside;

the top of the sliding block is fixedly connected with a tool bit.

As a preferable technical scheme of the utility model, a second groove is formed in one side of the sliding block, a second limiting protrusion is connected in the second groove in a penetrating manner, a second limiting block is fixedly connected to one end of the second limiting protrusion, which is positioned in the second groove, a third spring is connected between the second limiting block and the second groove, and a second fixing hole penetrating through the adjusting groove is formed in the top of the tool apron.

As a preferable technical scheme of the utility model, guide grooves are formed in two sides of the adjusting groove, guide blocks are fixedly connected to two sides of the sliding block, and the guide blocks are slidably arranged in the guide grooves.

As a preferable technical scheme of the utility model, the size of the first limiting protrusion is matched with the size of the first fixing hole, and the size of the second limiting protrusion is matched with the size of the second fixing hole.

As a preferable technical scheme of the utility model, the first fixing hole is positioned at the bottom of the chute, and the chute is a wedge-shaped slope.

As a preferable technical scheme of the utility model, the cutter head is completely positioned in the adjusting groove when the second spring is in the initial state.

As a preferable technical scheme of the utility model, the surface of the handle is provided with anti-skid textures.

Compared with the prior art, the utility model has the beneficial effects that: insert the mounting groove with blade holder bottom fixed block in, fix the fixed block through the first fixed orifices of the spacing protruding cooperation of setting, afterwards upwards promote the regulating block and make the slider drive the tool bit and rise from the regulating groove, fix the position of slider through the spacing protruding cooperation second fixed orifices of second, when needs dismantle this scalpel, at first press the spacing arch of second, make the slider drive the blade and retract to the regulating groove under the effect of second spring, and then medical personnel are scratched when can avoiding dismantling the blade, medical personnel's factor of safety has been promoted, reduce medical personnel occupation exposure's risk.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the handle according to the present utility model;

FIG. 3 is a schematic view of the tool holder and tool bit according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a handle according to the present utility model;

FIG. 5 is a schematic view of a slider and tool tip according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a slider and a tool tip according to the present utility model;

FIG. 7 is a schematic cross-sectional view of a tool holder according to the present utility model;

fig. 8 is a schematic cross-sectional view of the mounting base and the fixing block according to the present utility model.

In the figure: 1. a handle; 2. a tool apron; 3. a cutter head; 4. a mounting groove; 5. a chute; 6. a first fixing hole; 7. a mounting base; 8. a fixed block; 9. a first groove; 10. the first limiting protrusion; 11. a first limiting block; 12. a first spring; 13. an adjustment tank; 14. a slide block; 15. a second spring; 16. an adjusting block; 17. a bar-shaped groove; 18. a second groove; 19. the second limiting bulge; 20. a second limiting block; 21. a third spring; 22. a second fixing hole; 23. a guide groove; 24. a guide block; 25. an anti-skid texture.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides the following technical solutions: the utility model provides a scalpel with protective structure, includes handle 1, blade holder 2, and mounting groove 4 has been seted up on the top of handle 1, and spout 5 has been seted up to one side of mounting groove 4, and first fixed orifices 6 that runs through mounting groove 4 have been seted up at the top of handle 1.

In this embodiment, the tool apron 2 includes the mount pad 7, the bottom fixedly connected with fixed block 8 of mount pad 7, first recess 9 has been seted up to one side of the bottom of fixed block 8, the interlude is connected with first spacing arch 10 in the first recess 9, the one end fixedly connected with first stopper 11 of first spacing arch 10 in first recess 9, be connected with first spring 12 between first stopper 11 and the first recess 9, adjustment tank 13 has been seted up on the top of mount pad 7, slidable mounting has slider 14 in adjustment tank 13, the inner bottom of adjustment tank 13 is connected with second spring 15, the one end of second spring 15 and the bottom fixed connection of slider 14, one side fixedly connected with regulating block 16 of slider 14, the bar groove 17 that runs through adjustment tank 13 has been seted up to one side of mount pad 7, regulating block 16 slidable mounting is in bar groove 17 and extends to outside, the top fixedly connected with tool bit 3 of slider 14.

Specifically, insert fixed block 8 in mounting groove 4, after first spacing protruding 10 aligns first fixed orifices 6, make first spacing protruding 10 insert first fixed orifices 6 under the effect of first spring 12, and then fix fixed block 8, thereby conveniently install with blade holder 2, afterwards make regulating block 16 rise along bar groove 17 through upwards pushing regulating block 16, and then regulating block 16 drives slider 14 and rise in regulating groove 13, thereby make tool bit 3 stretch out regulating groove 13, and make slider 14 can drive tool bit 3 automatic retraction to regulating groove 13 through the second spring 15 that sets up, and then tool bit 3 exposes the fish tail medical personnel when avoiding dismantling this scalpel.

In this embodiment, a second groove 18 is formed on one side of the slider 14, a second limiting protrusion 19 is inserted into the second groove 18, a second limiting block 20 is fixedly connected to one end of the second limiting protrusion 19 located in the second groove 18, a third spring 21 is connected between the second limiting block 20 and the second groove 18, and a second fixing hole 22 penetrating through the adjusting groove 13 is formed at the top of the tool apron 2.

Specifically, when the slider 14 slides upwards, when the second limiting protrusion 19 aligns with the second fixing hole 22, the second limiting protrusion 19 is inserted into the second fixing hole 22 under the action of the third spring 21, so that the position of the slider 14 is fixed, and then the cutter head 3 extends out of the adjusting groove 13 to fix the position of the cutter head 3, so that the operation on a patient is facilitated.

In this embodiment, the guide grooves 23 are formed on both sides of the adjusting groove 13, the guide blocks 24 are fixedly connected to both sides of the slide block 14, and the guide blocks 24 are slidably mounted in the guide grooves 23.

Specifically, the guide block 24 is matched with the guide groove 23 to guide the lifting of the slide block 14, so that the stability of the slide block 14 during lifting is improved.

In the present embodiment, the size of the first limiting protrusion 10 is matched with the size of the first fixing hole 6, and the size of the second limiting protrusion 19 is matched with the size of the second fixing hole 22.

In particular, the fixing of the fixing block 8 and the slider 14 is facilitated in this way.

In this embodiment, the first fixing hole 6 is located at the bottom of the chute 5, and the chute 5 is a wedge slope.

Specifically, since the chute 5 is a wedge-shaped slope, the fixing block 8 is conveniently and rapidly inserted into the mounting groove 4, and the tool apron 2 is conveniently and rapidly mounted.

In this embodiment, the second spring 15 is in its initial state with the cutting head 3 fully seated in the adjustment slot 13.

Specifically, in this kind of mode makes tool bit 3 can accomodate completely with adjusting slot 13, the tool bit 3 fish tail medical personnel when avoiding dismantling this scalpel.

In this embodiment, the surface of the handle 1 is provided with anti-slip texture 25.

In particular, the handle 1 is convenient for the medical staff to hold by the arranged anti-slip texture 25.

Working principle: when the scalpel is installed, firstly, the cutter holder 2 is taken out to insert the fixed block 8 into the installation groove 4, the first limiting protrusion 10 is positioned on one side of the sliding groove 5, and as the slope surface of the sliding groove 5 is a wedge surface, when the fixed block 8 is inserted, the first limiting protrusion 10 drives the first limiting block 11 to extrude the first spring 12 into the first groove 9 under the action of the sliding groove 5, when the first limiting protrusion 10 is aligned with the first fixing hole 6, the first spring 12 recovers deformation to enable the first limiting protrusion 10 to be inserted into the first fixing hole 6 to fix the fixed block 8, then a medical staff pushes the adjusting block 16 upwards to enable the adjusting block 16 to rise in the bar-shaped groove 17, the sliding block 14 drives the cutter head 3 to extend out of the adjusting groove 13, when the second limiting protrusion 19 is aligned with the second fixing hole 22, the third spring 21 resumes deformation and makes the second spacing protruding 19 insert in the second fixed orifices 22, and then fix the position of slider 14, thereby be convenient for utilize tool bit 3 to operate, after the operation is finished, medical personnel only need press the spacing protruding 19 of second so that the spacing protruding 19 of second breaks away from second fixed orifices 22, the effect at second spring 15 makes slider 14 retract to in the adjustment tank 13, then make tool bit 3 accomodate in adjustment tank 13, avoid tool bit 3 to expose fish tail medical personnel, afterwards medical personnel only need press spacing protruding 10 of first spacing to make first spacing protruding 10 break away from first fixed orifices 6, afterwards upwards pull out fixed block 8, thereby reduce and make when dismantling this scalpel, tool bit 3 can not contact medical personnel, and then reduce tool bit 3 fish tail medical personnel's risk.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A scalpel with protective structure, its characterized in that: the novel multifunctional electric wrench comprises a handle (1), wherein an installation groove (4) is formed in the top end of the handle (1), a sliding groove (5) is formed in one side of the installation groove (4), and a first fixing hole (6) penetrating through the installation groove (4) is formed in the top of the handle (1);

The tool apron (2), tool apron (2) includes mount pad (7), the bottom fixedly connected with fixed block (8) of mount pad (7), first recess (9) have been seted up to bottom one side of fixed block (8), it is protruding (10) to alternate in first recess (9) to be connected with first spacing, one end fixedly connected with first stopper (11) that first spacing protruding (10) are located in first recess (9), be connected with first spring (12) between first stopper (11) and first recess (9), regulating groove (13) have been seted up on the top of mount pad (7), slidable mounting has slider (14) in regulating groove (13), the bottom fixedly connected with second spring (15) in regulating groove (13), one side fixedly connected with regulating block (16) of slider (14) in one end of second spring (15), groove (17) that run through regulating groove (13) have been seted up to one side of mount pad (7), regulating block (16) extend to outside bar-shaped outside in the extending to bar-shaped groove (17).

The top end of the sliding block (14) is fixedly connected with a tool bit (3).

2. The surgical knife with protective structure according to claim 1, wherein: a second groove (18) is formed in one side of the sliding block (14), a second limiting protrusion (19) is connected in the second groove (18) in a penetrating mode, a second limiting block (20) is fixedly connected to one end of the second limiting protrusion (19) located in the second groove (18), a third spring (21) is connected between the second limiting block (20) and the second groove (18), and a second fixing hole (22) penetrating through the adjusting groove (13) is formed in the top of the tool apron (2).

3. The surgical knife with protective structure according to claim 1, wherein: guide grooves (23) are formed in two sides of the adjusting groove (13), guide blocks (24) are fixedly connected to two sides of the sliding block (14), and the guide blocks (24) are slidably mounted in the guide grooves (23).

4. A scalpel with a guard structure according to claim 2, wherein: the size of the first limiting bulge (10) is matched with the size of the first fixing hole (6), and the size of the second limiting bulge (19) is matched with the size of the second fixing hole (22).

5. The surgical knife with protective structure according to claim 1, wherein: the first fixing hole (6) is positioned at the bottom of the sliding groove (5), and the sliding groove (5) is a wedge-shaped slope.

6. The surgical knife with protective structure according to claim 1, wherein: when the second spring (15) is in an initial state, the cutter head (3) is completely positioned in the adjusting groove (13).

7. The surgical knife with protective structure according to claim 1, wherein: the surface of the handle (1) is provided with anti-skid textures (25).