CN219763490U

CN219763490U - Simple debridement knife

Info

Publication number: CN219763490U
Application number: CN202320410223.XU
Authority: CN
Inventors: 李玉芬; 龚君辉
Original assignee: Individual
Current assignee: Chenzhou Hospital Of Traditional Chinese Medicine
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-29
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to the technical field of debridement knives, in particular to a simple debridement knife which comprises a knife handle, wherein one end of the knife handle is provided with a detachable knife head, one end of the knife handle connected with the knife head is electrically connected with a lighting lamp, and the knife handle is provided with a replacement mechanism matched with the knife head to achieve a convenient replacement effect; the utility model aims to provide a simple debridement knife, which is characterized in that the replacement mechanism comprises a push rod movably arranged on a knife head, one end of the push rod is rotatably provided with a first thread column, and the replacement mechanism also comprises a limiting rib arranged on a knife handle.

Description

Simple debridement knife

Technical Field

The utility model relates to the technical field of debridement knives, in particular to a simple debridement knife.

Background

In clinical work, the chronic wound healing speed is slow due in large part to the existence of necrotic tissues, so that the necrotic tissues need to be cleared, debridement is realized, wound healing is facilitated, and a debridement knife is needed in the debridement process in clinic at present;

however, in the process of using the debridement knife, the knife head needs to be frequently replaced, at present, when the knife head is replaced or installed, a medical staff grasps the knife handle by one hand to grasp the knife head and then pulls out the knife head, and as necrotic tissue can remain on the knife head when the knife head is replaced, the knife head can be stained on medical gloves when pulled out, and the necrotic tissue can influence the subsequent treatment.

Disclosure of Invention

The utility model aims to provide a simple debridement knife, which pushes a push rod, so that the push rod pushes a knife head through a first thread post and a first thread seat, and the knife head is not spliced with a knife handle, thereby medical staff does not need to grasp the knife handle with one hand and grasp the knife head with the other hand and then pull out the knife head when the knife head is replaced, so that necrotic tissues on the knife head are stained on medical gloves, and further the necrotic tissues influence the subsequent treatment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the simple debridement knife comprises a knife handle, wherein a detachable knife head is arranged at one end of the knife handle, an illuminating lamp is electrically connected to one end of the knife handle connected with the knife head, and a replacement mechanism matched with the knife head to achieve the effect of convenient replacement is arranged on the knife handle; the change mechanism includes movable mounting on the tool bit the push rod, the second screw thread post is installed in the one end rotation of push rod, change mechanism still including installing the restriction muscle on the handle of a knife, change mechanism still including installing the second screw thread seat on the handle of a knife, second screw thread seat and second screw thread post swing joint.

Optionally, light passing grooves are formed in two sides of the cutter head.

Optionally, the replacing mechanism further comprises a first thread seat installed on the cutter head, and the push rod moves on the first thread seat.

Optionally, a first threaded column is fixedly installed at one end of the push rod, and the first threaded column is screwed on the first threaded seat.

Optionally, the middle of the limiting rib is designed as an inclined plane, and the push rod slides on the inclined plane.

Optionally, the second thread seat is fixedly installed on the tool handle, and the second thread column is in threaded connection with the second thread seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the tool bit needs to be replaced, medical staff rotates the first threaded column, the first threaded column is in threaded connection with the second threaded seat, then the push rod is pushed, the tool bit is pushed by the push rod through the first threaded column and the first threaded seat, the tool bit is in plug-in connection with the tool bit, and therefore when the tool bit is replaced, the medical staff does not need to grasp the tool bit by one hand and grasp the tool bit by the other hand and then pull out the tool bit, so that necrotic tissues on the tool bit are stained on medical gloves, and further the necrotic tissues influence the subsequent treatment.

2. The medical personnel with one hand grasp the handle of a knife and then peg graft, peg graft the tool bit on the handle of a knife, rotate the push rod, at the in-process push rod of rotating the push rod upwards remove a section distance, because the inclined plane design of restriction muscle, the push rod will slide along the inclined plane on the restriction muscle, in case the push rod can be followed the one end of restriction muscle and successfully slide to the other end of restriction muscle, then indicate the accuracy that tool bit and handle of a knife were pegged graft, if the tool bit is accurate with the handle of a knife, in the in-process that the push rod removed, will block with the inclined plane of restriction muscle, result in the push rod can't slide to the other end of restriction muscle from the one end of restriction muscle, from this can verify the accuracy that handle of a knife and tool bit are pegged graft successfully, medical personnel just use, result in the in-process that handle of a knife and tool bit take place to break away from, cause the incident.

Drawings

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

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

fig. 3 is a schematic view of a cutter head according to the present utility model.

In the figure: 1. a knife handle; 2. a cutter head; 3. a replacement mechanism; 31. a first screw seat; 32. a first threaded post; 33. a push rod; 34. limiting ribs; 35. a second threaded post; 36. a second screw seat; 4. a lighting lamp; 5. a light-transmitting groove.

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 to 3, the utility model provides a simple debridement knife, which comprises a knife handle 1, wherein one end of the knife handle 1 is provided with a detachable knife head 2, one end of the knife handle 1 connected with the knife head 2 is electrically connected with a lighting lamp 4, and the knife handle 1 is provided with a replacement mechanism 3 which is matched with the knife head 2 to achieve the effect of convenient replacement;

the replacement mechanism 3 comprises a push rod 33 movably mounted on the tool bit 2, one end of the push rod 33 is rotatably provided with a second threaded column 35, the replacement mechanism 3 further comprises a limiting rib 34 mounted on the tool shank 1, the replacement mechanism 3 further comprises a second threaded seat 36 mounted on the tool shank 1, the second threaded seat 36 is movably connected with the second threaded column 35, when in use, a medical staff grasps the tool bit 2 by one hand and then inserts the tool bit 2 into the tool shank 1, then rotates the push rod 33, the push rod 33 drives the first threaded column 32 to rotate, the first threaded column 32 rotates on the first threaded seat 31, the first threaded column 32 is in threaded connection with the first threaded seat 31, the first threaded column 32 drives the push rod 33 to move upwards for a distance in the process of rotating the push rod 33, and once one end of the push rod 33 can be successfully inserted into the tool bit 2 from the tool shank 1 to the tool bit 2 through the inclined plane of the limiting rib 34, and thus, the situation that the tool bit 2 is successfully inserted into the tool bit 2 can not be successfully detected by the other end of the tool shank 34 is accurately detected, and the tool bit 2 can not be successfully inserted into the tool bit 2 is prevented from being successfully inserted into the tool shank 2 through the other end of the limiting rib 34, and the tool bit 2 is successfully inserted into the tool bit 2 is prevented from being caused by the other end of the limiting rib 34, and the tool bit 2 is successfully inserted into the tool bit 2 is successfully 1;

after the push rod 33 can successfully slide from one end of the limiting rib 34 to the other end of the limiting rib 34, the second threaded column 35 is just above the second threaded seat 36, and then the second threaded column 35 is rotated to enable the second threaded column 35 to be in threaded connection with the second threaded seat 36, so that the connection between the tool bit 2 and the tool bit 1 can be reinforced, the reliability of the connection between the tool bit 1 and the tool bit 2 is improved, the tool bit 1 and the tool bit 2 are prevented from falling off in the using process or falling onto the ground, and the tool bit 1 and the tool bit 2 are prevented from falling off and being dispersed everywhere due to impact and are difficult to find;

when the device is used, the illuminating lamp 4 is electrified, the illuminating lamp 4 can lighten, and meanwhile, the illuminating lamp 4 can play a role in assisting in cleaning necrotic tissues through the light-passing groove 5;

when the cutter head 2 needs to be replaced, a medical staff rotates the second threaded column 35, so that the second threaded column 35 is in threaded connection with the second threaded seat 36, then pushes the push rod 33, the push rod 33 pushes the cutter head 2 through the first threaded column 32 and the first threaded seat 31, and the cutter head 2 is in plug connection with the cutter handle 1, so that the medical staff does not need to grasp the cutter handle 1 by one hand and grasp the cutter head 2 by the other hand and then pull out the cutter head 2 when replacing the cutter head 2, and necrotic tissues on the cutter head 2 are stained on medical gloves, so that the necrotic tissues influence the subsequent treatment;

in addition, the first threaded column 32 on the push rod 33 of the used tool bit 2 is rotated with the first threaded seat 31, while the unused tool bit 2 is not rotated with the first threaded seat 31, so that the angles of the unused tool bit 2 and the push rod 33 on the used tool bit 2 are different from those of the tool bit 2, and therefore, whether the tool bit 2 is used or not can be clearly observed, the carelessness of medical staff is avoided, and the influence on a patient is caused because the used tool bit 2 is not cleaned and disinfected for reuse.

The light through grooves 5 are formed in the two sides of the tool bit 2, the replacement mechanism 3 further comprises a first thread seat 31 arranged on the tool bit 2, a push rod 33 moves on the first thread seat 31, a first thread column 32 is fixedly arranged at one end of the push rod 33, the first thread column 32 is in threaded connection with the first thread seat 31, the middle of a limiting rib 34 is in inclined plane design, the push rod 33 slides on the inclined plane, a second thread seat 36 is fixedly arranged on the tool handle 1, and a second thread column 35 is in threaded connection with the second thread seat 36.

Working principle: when the tool bit 2 is used, a medical staff grasps the tool bit 2 by one hand and then inserts the tool bit 2 by one hand, inserts the tool bit 2 onto the tool bit 1, then rotates the push rod 33, the push rod 33 drives the first threaded column 32 to rotate on the first threaded seat 31, the first threaded column 32 is in threaded connection with the first threaded seat 31, the first threaded column 32 drives the push rod 33 to move upwards for a certain distance in the process of rotating the first threaded seat 31, meanwhile, the push rod 33 moves upwards for a certain distance in the process of rotating the push rod 33, the push rod 33 slides along the inclined plane on the limiting rib 34 due to the inclined plane design of the limiting rib 34, once the push rod 33 can successfully slide to the other end of the limiting rib 34 from one end of the limiting rib 34, the tool bit 2 is accurately inserted with the tool bit 1, if the tool bit 2 is accurately connected with the tool bit 1, the inclined plane of the limiting rib 34 is blocked in the process of moving the push rod 33, the push rod 33 cannot slide to the other end of the limiting rib 34 from one end of the limiting rib 34, and accordingly, the tool bit 1 and the tool bit 2 can be checked, the tool bit 2 can be successfully inserted with the tool bit 2 in the process of the tool bit 2, and the safety accident is avoided;

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

Claims

1. The simple debridement knife is characterized by comprising a knife handle (1), wherein a detachable knife head (2) is arranged at one end of the knife handle (1), an illuminating lamp (4) is electrically connected to one end of the knife handle (1) connected with the knife head (2), and a replacement mechanism (3) which is matched with the knife head (2) to achieve the effect of convenient replacement is arranged on the knife handle (1);

the change mechanism (3) includes movable mounting push rod (33) on tool bit (2), second screw thread post (35) are installed in the one end rotation of push rod (33), change mechanism (3) still including installing restriction muscle (34) on handle of a knife (1), change mechanism (3) still including installing second screw thread seat (36) on handle of a knife (1), second screw thread seat (36) and second screw thread post (35) swing joint.

2. A simple debridement knife according to claim 1, characterized in that the two sides of the knife head (2) are provided with light passing grooves (5).

3. A simple debridement knife according to claim 1, characterized in that the exchange mechanism (3) further comprises a first screw seat (31) mounted on the knife head (2), the push rod (33) being movable on the first screw seat (31).

4. A simple debridement knife according to claim 3, characterized in that one end of the push rod (33) is fixedly provided with a first threaded column (32), the first threaded column (32) is screwed on the first threaded seat (31).

5. A simple debridement knife according to claim 1, characterized in that the middle of the limiting rib (34) is of a bevel design, and the push rod (33) slides on the bevel.

6. A simple debridement knife according to claim 1, characterized in that the second screw seat (36) is fixedly mounted on the handle (1) and the second screw post (35) is screw-connected with the second screw seat (36).