CN220729666U

CN220729666U - Pathological sampling knife

Info

Publication number: CN220729666U
Application number: CN202322269676.8U
Authority: CN
Inventors: 王小拍; 伍丽琼
Original assignee: Guangzhou First Peoples Hospital
Current assignee: Guangzhou First Peoples Hospital
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-05
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the field of medical equipment, and discloses a pathological sampling knife which comprises a knife handle; the blade clamp comprises two fixing pieces which are arranged at intervals, and one ends of the two fixing pieces are fixedly inserted into the cutter handle; the blades are inserted into the gaps, and the ends of the blades protrude out of the ends of the blade clamps; one end of the fastener is fixed on one fixing sheet, an elastic piece and a shell are sleeved on the other end of the fastener from inside to outside in sequence, and a first fixing clamp and a second fixing clamp are fixedly connected to the end part of the elastic piece, which is far away from the fixing sheet; the first fixing clip has a first fixing portion compressed with the spring to be stopped at one side of the blade end portion, and the second fixing clip has a second fixing portion compressed with the spring to be stopped at an upper portion of the blade end portion. The pathological sampling knife can prevent the blade from sliding out and falling off from the front end or the abdomen side of the blade clamp.

Description

Pathological sampling knife

Technical Field

The utility model relates to the field of medical instruments, in particular to a pathological sampling knife.

Background

The existing material drawing knife mainly comprises a knife handle and a blade clamp. The sampling knife is convenient to use, has longer acting knife edge, and can flexibly cut the needed tissue blocks. The knife handle is made of solid wood and is durable. The blade used is a disposable blade, generally a blunt blade returned by paraffin sections is utilized, the cost is saved, the effective utilization of resources is fully realized, and the waste is avoided. The blade clamp of the sampling knife is generally made of specially treated stainless steel materials, and the two blades are tightly matched and fixed. The blade clamp is divided into a non-graduated blade clamp and a graduated blade clamp with graduations, and can directly and accurately measure the volume of tissues, so that the trouble of changing a graduated scale is avoided.

The blade clamp of the sampling knife in the prior art has the advantages that after the sampling knife is used for a period of time, the anastomotic tightness is reduced, when a tissue is cut, the blade is easy to loose, and the blade slides out from the front end or the abdomen of the blade clamp, even falls off, so that the sampling speed is seriously influenced, and even fingers are cut off; because the blade clamp of the material drawing knife is not provided with a protective device, on one hand, the blade clamp is not beneficial to being protected, and on the other hand, when the blade is not timely disassembled, fingers are easy to be scratched when the user does not pay attention to the fact.

Disclosure of Invention

The utility model aims to provide a pathological sampling knife which can prevent a blade from sliding out from the front end or the abdomen of a blade clamp, avoid affecting sampling speed and avoid cutting fingers.

In order to achieve the above object, the present utility model provides a pathological sampling cutter comprising:

a knife handle;

the blade clamp comprises two fixing pieces which are arranged at intervals, and one ends of the two fixing pieces are fixedly inserted into the cutter handle;

the blades are inserted into the gaps, and the ends of the blades protrude out of the ends of the blade clamps;

one end of the fastener is fixed on one fixing sheet, an elastic piece and a shell are sleeved on the other end of the fastener from inside to outside in sequence, and a first fixing clamp and a second fixing clamp are fixedly connected to the end part of the elastic piece, which is far away from the fixing sheet;

the first fixing clamp is provided with a first fixing part which is compressed with the elastic piece to be blocked at one side of the end part of the blade, and the second fixing clamp is provided with a second fixing part which is compressed with the elastic piece to be blocked at the upper part of the end part of the blade;

the button cap can be clamped with the fastener when the elastic piece is compressed.

Preferably, the button cap is a groove which is detachably clamped with the fastener.

Preferably, the elastic piece is a spring;

the fastener is the screw, the inboard of recess be equipped with screw threaded connection's internal thread, the tip edge of button cap still has the fender elastic component.

Preferably, a measuring scale is arranged on the outer side of the fixing piece.

Preferably, the fastening piece is welded with the fixing piece or fixedly connected with the fixing piece in a bonding mode.

Preferably, the first fixing clamp comprises a first angle plate and a first fixing part fixedly connected with the first angle plate in an included angle manner, and the first angle plate is fixedly connected with the elastic piece in a welding manner;

the second fixing clamp comprises a second angle plate and a second fixing part fixedly connected with the second angle plate in an included angle mode, and the second angle plate is fixedly connected with the elastic piece in a welding mode.

Preferably, the first corner plate and the first fixing part are integrally formed and are arranged at right angles;

the second corner plate and the second fixing part are integrally formed and are arranged at right angles.

Preferably, the length of the fastener is d1, the uncompressed length of the elastic piece is d2, and d2 is more than d1;

the length of the first fixing part is d3, the length of the second fixing part is d4, d2 > d3 > d1, and d2 > d4 > d1.

Preferably, the distance between the welding position of the first angle plate and the elastic piece and the end part of the blade is d5, and the distance between the welding position of the second angle plate and the elastic piece and the upper end of the blade is d6, and then:

the length of the first angle plate is slightly greater than or equal to d5, and the first fixing part can stop the end part of the blade when the elastic piece is compressed;

the length of the second angle plate is slightly greater than or equal to d6, so that the second fixing part can stop the end part of the blade when the elastic piece is compressed.

As an optimal scheme, the two fixing pieces are fixedly connected through bolts, and the two fixing pieces are fixedly inserted into the cutter handle.

Compared with the prior art, the pathological sampling knife has the beneficial effects that:

the pathological sampling knife comprises a knife handle, wherein the knife blade clamp comprises two fixing sheets which are arranged at intervals, and one ends of the two fixing sheets are fixedly inserted into the knife handle; the blades are inserted into the gaps, and the ends of the blades protrude out of the ends of the blade clamps; one end of the fastener is fixed on one fixing sheet, the other end of the fastener is sequentially sleeved with an elastic piece and a shell from inside to outside, and the end part of the elastic piece, which is far away from the fixing sheet, is fixedly connected with a first fixing clip and a second fixing clip; the first fixing clamp is provided with a first fixing part compressed along with the spring to be blocked at one side of the end part of the blade, and the second fixing clamp is provided with a second fixing part compressed along with the spring to be blocked at the upper part of the end part of the blade; the button cap is connected with the spring and can be clamped with the fastener when the spring is compressed. When the material drawing knife is not used, the button cap is pressed to compress the elastic piece, the elastic piece drives the first fixing part to move and block at the end part of the blade to block the end part of the blade, the second fixing part moves and blocks at the top part of the blade to block the top part of the stop piece, and the blade is prevented from sliding out and falling from the front end or the abdomen of the blade clamp, so that the material drawing speed is influenced and the finger is prevented from being cut.

Drawings

FIG. 1 is a schematic diagram of a pathological sampling cutter according to an embodiment of the present utility model;

FIG. 2 is a handle sleeve;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a schematic view of the first and second mounting clips being connected to the resilient member;

FIG. 5 is a diagram showing the parts of a pathological sampling cutter according to an embodiment of the present utility model.

In the figure, 1, a handle, 2, a fixing piece, 3, a blade, 4, a fastener, 5, an elastic piece, 6, a shell, 7, a first fixing clamp, 71, a first angle plate, 72, a first fixing part, 8, a second fixing clamp, 81, a second angle plate, 82, a second fixing clamp, 9, a button cap, 10 and a handle sleeve.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, a pathologic sampling cutter according to a preferred embodiment of the present utility model includes a cutter handle 1, a cutter blade 3 clip, a cutter blade 3, a fastener 4 and a button cap 9, wherein the cutter blade 3 clip includes two fixing sheets 2 arranged at intervals, the fixing sheets 2 are in a sheet structure, and one ends of the two fixing sheets 2 are fixedly inserted into the cutter handle 1; the blades 3 are inserted in the interval, the blades 3 are adhered and rubbed with the fixing sheets 2 to position the blades 3, the end parts of the blades 3 protrude out of the end parts of the clamps of the blades 3, and the water pathological materials are obtained; one end of the fastening piece 4 is fixed on one fixing piece 2, the fastening piece 4 is fixed on the fixing piece 2 in a specific vertical welding way, an elastic piece 5 and a shell 6 are sleeved on the other end of the fastening piece 4 from inside to outside in sequence, the end part of the shell 6 is also fixed on the fixing piece 2 in a welding way, a gap is reserved between the shell 6 and the fastening piece 4, a spring is arranged in the gap, and a first fixing clamp 7 and a second fixing clamp 8 are fixedly connected with the end part of the elastic piece 5, which is far away from the fixing piece 2; specifically, the first fixing frame and the second fixing frame are fixedly connected with the springs in a welding mode, and the springs can drive the first fixing clamp 7 and the second fixing clamp 8 to move when compressed.

Wherein the first fixing clip 7 has a first fixing portion 72 compressed with a spring to be stopped at one side of the end of the blade 3, and the second fixing clip 8 has a second fixing portion compressed with a spring to be stopped at the upper portion of the end of the blade 3; the pathological sampling knife also comprises a button cap 9, wherein the button cap 9 is connected with the spring and can be clamped with the fastener 4 when the spring is compressed. Specifically, the button cap 9 is pressed, and the groove in the button cap 9 can be detachably clamped and fixed with the fastener 4 so as to position the spring; when the first fixing portion 72 is stopped from the end of the blade 3, the end of the blade 3 can stop the movement of the first fixing portion 72, and the upper end of the blade 3 can stop the movement of the second fixing portion.

When the pathological sampling knife is not used, the button cap 9 is pressed to compress the elastic piece 5, the elastic piece 5 drives the first fixing part 72 to move and be blocked at the end part of the blade 3 to block the end part of the blade 3, the second fixing part moves and is blocked at the top part of the blade 3 to block the top part of the blade 3, and the blade 3 is prevented from sliding out and falling from the front end or the abdomen side of the clamp of the blade 3, so that the sampling speed is influenced and the finger is prevented from being cut

The button cap 9 is specifically a groove detachably clamped with the fastener 4, and is used for being detachably clamped and fixed with the fastener 4.

Further, the elastic member 5 is a spring; the fastener 4 is a screw, the inner side of the groove is provided with an internal thread connected with the screw thread, and the edge of the end part of the button cap 9 is also provided with a cap peak for stopping the elastic piece 5. Specifically, the middle part of the button cap 9 is provided with a cylinder, the groove is arranged in the middle part of the cylinder, the groove is internally provided with internal threads for being detachably connected with the threads of the fastener 4, and when the button cap is specifically installed, the end part of the fastener 4 is installed in the groove, and the side wall of the groove of the cylinder is inserted between the spring and the fastener 4; the cap peak is located button cap 9 outer end, and first fixation clamp 7 and second fixation clamp 8 keep off in the cap peak inboard, and when button cap 9 inwards moved compression spring, the cap peak can promote first fixation clamp 7 and second fixation clamp 8 and remove.

In the specific embodiment of the application, the first fixing clip 7 comprises a first angle plate 71 and a first fixing part 72 fixedly connected with the first angle plate 71 at an included angle, and the first angle plate 71 is fixedly connected with the elastic piece 5 by welding; the second fixing clamp 8 comprises a second angle plate 81 and a second fixing part fixedly connected with the second angle plate 81 in an included angle mode, and the second angle plate 81 is fixedly connected with the elastic piece 5 in a welding mode.

Further, the first corner plate 71 and the first fixing portion 72 are integrally formed and arranged at right angles; the second gusset 81 is integrally formed with the second fixing portion and arranged at right angles. Since the fastener 4 is fixed vertically to the fixing piece 2, the first and second fixing portions 72 and 81 can be locked vertically to the blade 3 after the first and second corner plates 71 and 81 are welded to the springs.

In a further embodiment of the present application, the fastener 4 has a length d1, the elastic member 5 has an uncompressed length d2, d2 > d1; the first fixing portion 72 has a length d3, and the second fixing portion has a length d4, d2 > d3 > d1, and d2 > d4 > d1. The length is defined so that the first and second fixing portions 72 and 72 can be controlled on the blade 3.

In a further embodiment of the present application, the distance between the welding position of the first corner plate 71 and the elastic member 5 and the end of the blade 3 is d5, and the distance between the welding position of the second corner plate 81 and the elastic member 5 and the upper end of the blade 3 is d6, then: the length of the first corner plate 71 should be greater than or equal to d5, so that the first fixing portion 72 can stop the end of the blade 3 when the elastic member 5 is compressed; the length of the second corner plate 81 should be greater than or equal to d6, so that the second fixing portion can stop the end of the blade 3 when the elastic member 5 is compressed.

The outside of stationary blade 2 is provided with the measurement scale, and the biggest measurement diameter is 8cm, can satisfy the volume measurement of most specimens, does not need to measure with the help of the ruler additionally.

Wherein the fastener 4 is welded or stuck and fixedly connected with the fixing piece 2.

Furthermore, the material drawing knife further comprises a knife handle 1 sleeve for protecting the knife handle 1, so that damage caused by untimely dismantling of the blade 3 and daily protection of the blade 3 clamp are prevented.

Specifically, the width of the blade 3 is about 0.8cm, the width of the blade 3 fixed in the blade 3 clamp is about 0.6cm, the distance between the blade 3 and the abdomen side of the blade 3 is about 0.2cm, and the distance between the blade 3 and the front end is about 0.6cm.

The application method of the pathological sampling knife comprises the following steps: after the blade 3 is installed, the fixing clamp is used for clamping the blade 3, so that a fixing effect is achieved. The first and second fixing clips 7 and 8 are relatively movable, so that they do not affect the attachment or detachment of the blade 3, but also function as a fixed blade 3. The whole blade 3 is clamped into a cuboid, so that the sheath of the material drawing knife is also a cuboid, and the blade 3 clamp can be protected and the injury can be prevented. After the blade 3 is installed, the button cap 9 is pressed down, the spring is in a compressed state, the distance between the fixing clamp and the blade 3 is close, and the short shaft of the fixing clamp can clamp the blade 3, so that the fixing effect is achieved. When the blade 3 is required to be mounted or dismounted, the button cap 9 is pressed again to reset the spring, the distance between the fixing clamp and the blade 3 clamp is pulled away, and the blade 3 is convenient to mount and dismount.

The pathological sampling knife of this application designs simple and practical, can effectually solve the blade 3 that often runs into in the daily work from blade 3 press from both sides the abdomen side and the problem of front end roll-off. The fixing clamp is made of stainless steel materials, and is movable, so that the taking of the blade 3 is not affected. A simple sheath arrangement may serve to protect the blade 3 clamp and prevent the possibility of injury. Therefore, the utility model not only changes the local appearance structure of the sampling knife, but also increases the protection of the blade 3 clamp of the sampling knife, and has the advantages of simplicity, durability, wear resistance, convenient operation, practicability and the like.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A pathologic sampling knife, comprising:

a knife handle;

2. The pathological sampling knife according to claim 1, wherein the button cap is a recess detachably engaged with the fastener.

3. The pathological sampling knife according to claim 2, wherein the elastic member is a spring;

4. The pathological sampling knife according to claim 1, wherein the outer side of the fixing piece is provided with a measuring scale.

5. The pathological sampling knife according to claim 1, wherein the fastening piece is welded or stuck fixedly to the fixing piece.

6. The pathologic sampling knife of claim 1, wherein the first fixation clamp comprises a first gusset and the first fixation section fixedly connected with the first gusset at an included angle, and the first gusset is fixedly connected with the elastic member by welding;

7. The pathologic sampling knife of claim 6, wherein the first gusset is integrally formed with the first securing portion and disposed at a right angle;

8. The pathological sampling knife according to claim 6, wherein the length of the fastener is d1 and the uncompressed length of the elastic element is d2, d2 > d1;

9. The pathologic sampling cutter of claim 6, wherein the distance from the first corner plate and elastic member weld to the blade end is d5, and the distance from the second corner plate and elastic member weld to the blade upper end is d 6:

the length of the first angle plate is greater than or equal to d5, and the first fixing part can stop the end part of the blade when the elastic piece is compressed;

the length of the second angle plate is greater than or equal to d6, and the second fixing part can stop the end part of the blade when the elastic piece is compressed.

10. The pathological sampling knife according to claim 1, wherein two fixing sheets are fixedly connected through bolts, and the two fixing sheets are inserted and fixed in the knife handle.