CN214857235U

CN214857235U - Neurosurgery operation cutter

Info

Publication number: CN214857235U
Application number: CN202120111555.9U
Authority: CN
Inventors: 杨海龙; 闫岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-26
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a neurosurgery cutting knife, including handle of a knife and cutter body, its handle of a knife one end has seted up first centre gripping chamber, trilateral opening in first centre gripping chamber, first centre gripping chamber top sets up the second centre gripping chamber rather than having a perfect understanding each other, the cutter body comprises tool bit and hilt, the hilt inserts in first centre gripping intracavity, first centre gripping intracavity wall both sides all fixedly connected with spacing lug, the hilt both sides surface all sets up the spacing groove with spacing lug looks adaptation, spacing lug is located the spacing groove, spacing lug is arc lug; through set up rather than the second centre gripping chamber that link up each other on first centre gripping chamber top, accomplish being connected of cutter body and handle of a knife, reduced the wearing and tearing of handle of a knife to the cutter body, effectively promoted the life of cutter body.

Description

Neurosurgery operation cutter

Technical Field

The utility model relates to a surgical knife, in particular to a neurosurgery knife.

Background

The neurosurgical knife is a very important tool in medical surgery, and provides a powerful guarantee for the health career of human beings. The scalpel mainly comprises a scalpel body and a scalpel handle, the scalpel body and the scalpel handle are required to be installed together during use, the scalpel body is clamped by tweezers, a handle part of the scalpel body is embedded into one end of the scalpel handle, pressure is applied to the scalpel body by the tweezers during operation, the scalpel body is easily abraded, and when the handle enters the scalpel handle, the handle is also abraded, so that the service life of the scalpel body is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a neurosurgery cutter can solve current mounting means and be, live the cutter body with tweezers pincers, with the hilt portion embedding handle of a knife one end of cutter body, in the operation process, tweezers exert pressure to the cutter body, and easy cutter body causes wearing and tearing, and secondly when the hilt gets into in the handle of a knife, also can cause wearing and tearing to the hilt, has reduced the technical problem of the life of cutter body.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a neurosurgery cutter, includes handle of a knife and cutter body, its first centre gripping chamber has been seted up to handle of a knife one end, the trilateral opening in first centre gripping chamber, the second centre gripping chamber rather than having a perfect understanding is seted up on first centre gripping chamber top, the cutter body comprises tool bit and hilt, the hilt inserts at first centre gripping intracavity, the equal fixedly connected with spacing lug in first centre gripping intracavity wall both sides, the spacing groove with spacing lug looks adaptation is all seted up on hilt both sides surface, spacing lug is located the spacing inslot, spacing lug is the arc lug.

As an optimized technical scheme of the utility model, anti-skidding groove has all been seted up on two surfaces around the handle of a knife.

As a preferred technical scheme of the utility model, the intracavity centre gripping of second centre gripping has the expansion piece, rotates the expansion piece and makes the outside expansion in second centre gripping chamber both sides, expansion piece one side fixedly connected with connecting rod, the expansion piece one end fixedly connected with commentaries on classics piece is kept away from to the connecting rod, it is located the handle of a knife side to change the piece.

As an optimized technical scheme of the utility model, the expansion block is less than the width in first centre gripping chamber with the connecting rod length sum.

As an optimized technical scheme of the utility model, the commentaries on classics piece is rectangular form, change the thickness that the piece width is less than the handle of a knife.

As an optimized technical scheme of the utility model, the expansion piece is the cuboid.

As a preferred technical scheme of the utility model, the expansion piece is the square.

As an optimized technical scheme of the utility model, the scale mark is seted up to the sword head portion of cutter body.

As an optimized technical scheme of the utility model, the sword head portion both sides of cutter body have all been seted up and have been led the blood groove.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. by arranging the second clamping cavity communicated with the first clamping cavity at the top end of the first clamping cavity, when the cutter body is required to be connected with the cutter handle, holding the knife handle, rotating the rotating block, driving the connecting rod to rotate by the rotating block, driving the expanding block to rotate by the connecting rod, rotating the expanding block to expand two sides of the second clamping cavity outwards, stopping rotating the rotating block and gripping the rotating block, driving two sides of the first clamping cavity to expand outwards by the second clamping cavity, placing the knife handle part of the knife body into the first clamping cavity, aligning the limiting groove on the knife handle with the limiting convex block, then the rotating block is loosened, the expansion block restores the initial state in the second clamping cavity, the pressing on two sides of the second clamping cavity is stopped, the first clamping cavity and the second clamping cavity restore the initial state, the limiting bump enters the limiting groove, the operation is completed, the connection of the cutter body and the cutter handle is completed, the abrasion of the cutter handle to the cutter body is reduced, and the service life of the cutter body is effectively prolonged;

2. the scale lines are arranged on the knife head part of the knife body, so that doctors with shallow seniority and practice students in medical profession can conveniently master the cutting depth, and the training efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a surgical knife according to the present invention;

fig. 2 is a schematic sectional structural view of the first clamping cavity according to the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

fig. 4 is a schematic structural view of the expansion block of the present invention;

wherein: 1. a knife handle; 11. an anti-slip groove; 12. a first clamping cavity; 121. a limiting bump; 13. a second clamping cavity; 2. a cutter body; 21. scale lines; 22. a blood conduction groove; 3. rotating the block; 31. a connecting rod; 32. and (4) expanding the block.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Please refer to fig. 1 to 4, the utility model provides a neurosurgery cutter, including handle of a knife 1 and cutter body 2, first centre gripping chamber 12 has been seted up to 1 one end of handle of a knife, the trilateral opening in first centre gripping chamber 12, second centre gripping chamber 13 rather than having a perfect understanding each other is seted up on 12 tops in first centre gripping chamber, cutter body 2 comprises tool bit and hilt, the hilt inserts in first centre gripping chamber 12, the equal fixedly connected with spacing lug 121 in first centre gripping chamber 12 inner wall both sides, the spacing groove with spacing lug 121 looks adaptation is all seted up on hilt both sides surface, spacing lug 121 is located the spacing inslot, accomplishes the fixed of cutter body 2 in first centre gripping chamber 12, spacing lug 121 is preferably the arc lug, antiskid groove 11 has all been seted up on two surfaces around the handle of a knife 1.

Referring to fig. 3 and 4, an expansion block 32 is clamped in the second clamping cavity 13, a connecting rod 31 is fixedly connected to one side of the expansion block 32, a rotating block 3 is fixedly connected to one end of the connecting rod 31, which is far away from the expansion block 32, the rotating block 3 is located on the side surface of the knife handle 1, and the sum of the lengths of the expansion block 32 and the connecting rod 31 must not exceed the width of the first clamping cavity 12, so that the expansion block 32 is always located in the second clamping cavity 13, the beauty of the surgical knife is not affected, the rotating block 3 is long, but the width of the rotating block 3 must not exceed the thickness of the knife handle 1, and the expansion block 32 can be a cuboid or a cube.

When the tool body 2 and the tool handle 1 are required to be connected, the tool handle 1 is held, the rotating block 3 is rotated, the rotating block 3 drives the connecting rod 31 to rotate, the connecting rod 31 drives the expanding block 32 to rotate, the expanding block 32 is rotated to expand two sides of the second clamping cavity 13 outwards, at the moment, the rotating block 3 stops rotating and the rotating block 3 is gripped, the second clamping cavity 13 drives two sides of the first clamping cavity 12 to expand outwards, the tool handle part of the tool body 2 is placed in the first clamping cavity 12, the limiting groove on the tool handle is aligned with the limiting lug 121, then the rotating block 3 is loosened, the expanding block 32 is restored to the initial state in the second clamping cavity 13, the pressure on two sides of the second clamping cavity 13 is stopped, the first clamping cavity 12 and the second clamping cavity 13 are restored to the initial state, the tool handle 121 enters the limiting groove, the operation is finished, the connection of the tool body 2 and the tool handle 1 is completed, the abrasion of the tool body 2 is reduced, and the service life of the tool body 2 is prolonged, when the cutter body 2 and the cutter handle 1 need to be detached, the rotating block 3 is also rotated, the rotating expansion block 32 drives the first clamping cavity 12 to expand outwards, and then the cutter body 2 is taken out of the first clamping cavity 12.

Referring to fig. 1, the cutter head portion of the cutter body 2 is provided with scale marks 21 to facilitate a novice to grasp a cutting depth and improve training efficiency, and both sides of the cutter head portion of the cutter body 2 are provided with blood guide grooves 22.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a neurosurgery cutter, includes handle of a knife (1) and cutter body (2), its characterized in that: first centre gripping chamber (12) have been seted up to handle of a knife (1) one end, trilateral opening in first centre gripping chamber (12), second centre gripping chamber (13) that link up each other rather than are seted up on first centre gripping chamber (12) top, cutter body (2) comprise tool bit and hilt, the hilt inserts in first centre gripping chamber (12), the equal fixedly connected with spacing lug (121) in first centre gripping chamber (12) inner wall both sides, the spacing groove with spacing lug (121) looks adaptation is all seted up to hilt both sides surface, spacing lug (121) are located the spacing inslot, spacing lug (121) are the arc lug.

2. A neurosurgical scalpel in accordance with claim 1 wherein: anti-skidding grooves (11) are formed in the front surface and the rear surface of the knife handle (1).

3. A neurosurgical scalpel in accordance with claim 1 wherein: expansion block (32) is held in second centre gripping chamber (13) centre gripping, rotates expansion block (32) and makes second centre gripping chamber (13) both sides outwards expand, expansion block (32) one side fixedly connected with connecting rod (31), expansion block (32) one end fixedly connected with commentaries on classics piece (3) are kept away from in connecting rod (31), commentaries on classics piece (3) are located handle of a knife (1) side.

4. A neurosurgical scalpel in accordance with claim 3 wherein: the sum of the lengths of the expansion block (32) and the connecting rod (31) is less than the width of the first clamping cavity (12).

5. A neurosurgical scalpel in accordance with claim 4, wherein: the rotating block (3) is in a long strip shape, and the width of the rotating block (3) is smaller than the thickness of the knife handle (1).

6. A neurosurgical scalpel in accordance with claim 5, wherein: the expansion block (32) is a rectangular parallelepiped.

7. A neurosurgical scalpel in accordance with claim 5, wherein: the expansion block (32) is a cube.

8. A neurosurgical scalpel in accordance with claim 1 wherein: the cutter head part of the cutter body (2) is provided with scale marks (21).

9. A neurosurgical scalpel in accordance with claim 8 wherein: blood guide grooves (22) are formed in the two sides of the cutter head of the cutter body (2).