Cutting knife of endoscope cutting anastomat

Abstract

The utility model provides a cutting knife of an endoscope cutting anastomat, which relates to the technical field of medical instruments and comprises a connecting mechanism and a cutting knife mechanism. The cutting knife mechanism comprises a knife holder, a second connecting block is fixedly installed at one end of the knife holder, first connecting blocks are fixedly installed on the two sides of the knife holder, a blade is inserted into the knife holder, a set of fixing holes are formed in the knife holder and the blade, and the interiors of the set of fixing holes are in threaded connection with anti-expansion pins. And plug plates are clamped in the fixing holes, and a mark is fixedly arranged on one side of the blade. According to the utility model, the mark is fixedly arranged on one side of the blade, and the displacement sensor is fixedly arranged on the top of the knife holder, so that the accurate forward pushing length of the knife holder can be conveniently monitored, a doctor can more clearly know the position and the state of the cutting knife in the operation process, and the accuracy and the safety of the operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relate to a cutting knife of endoscope cutting anastomat. BACKGROUND

[0002] Endoscopic cutting anastomat and disposable nail case are suitable for the resection, transverse and anastomosis of tissue in abdominal, obstetrical and gynecological, pediatric and thoracic surgery. It can also be used for the resection and transverse of liver parenchyma, liver blood vessels and gallbladder duct. In the use process, the appropriate cutting knife needs to be equipped for use.

[0003] In the prior art, part of the cutting knife lacks accurate control of the specific cutting distance, cannot accurately control and monitor the displacement of the cutting knife, and it is difficult to determine the specific cutting length, which may lead to inaccurate cutting and affect the accuracy of the operation. UTILITY MODEL CONTENT

[0004] The utility model discloses a cutting knife of endoscope cutting anastomat, which can accurately control the specific cutting distance, accurately control and monitor the displacement of the cutting knife, and determine the specific cutting length, thereby solving the problem of inaccurate cutting and affecting the accuracy of the operation in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including: connecting mechanism and cutting knife mechanism, the cutting knife mechanism includes the knife seat, one end of the knife seat is fixedly installed second interface block, both sides of the knife seat are fixedly installed first interface block, the inside of the knife seat is inserted blade, the inside of the knife seat and blade is all set up a group of fixed holes, the inside of a group of fixed holes is all threaded connection prevents the rise and goes up, the inside of fixed hole is all clamped and connects the plugboard, one side of the blade is fixedly set up the mark, the top of the knife seat is fixedly installed displacement sensor.

[0006] Preferably, the connecting mechanism includes a connecting block, and both sides of the connecting block are fixedly connected with a group of component racks.

[0007] Preferably, opposite sides of the group of component racks are provided with first connecting grooves, and one end of the connecting block is provided with an insertion groove.

[0008] Preferably, a group of insertion grooves are inserted with a group of insertion blocks, and one end of the group of insertion blocks is fixedly installed with a push plate.

[0009] Preferably, the connecting block is provided with a second connecting groove at an end away from the push plate.

[0010] Preferably, the knife seat is arranged between the group of component racks, and the group of first interface blocks are respectively inserted into the group of first connecting grooves.

[0011] Preferably, the second connecting block is inserted into the second connecting groove.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、The utility model discloses, through the fixed setting identification at one side of blade, the fixed setting displacement sensor at the top of tool holder, the accurate length of tool holder is conveniently monitored to the forward advance, so that the position and state of cutting knife can be more clearly understood in the operation process of doctor, improve the accuracy and safety of operation.

[0014] 2、The utility model discloses, through the fixed setting identification at one side of blade, the fixed setting displacement sensor at the top of tool holder, the accurate length of tool holder is conveniently monitored to the forward advance, so that the position and state of cutting knife can be more clearly understood in the operation process of doctor, improve the accuracy and safety of operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A perspective view of a cutting knife of a laparoscope cutting anastomat is provided for the utility model;

[0016] Figure 2 A split view of the cutting knife of the laparoscope cutting anastomat is provided for the utility model;

[0017] Figure 3 A split view of the connecting mechanism in the cutting knife of the laparoscope cutting anastomat is provided for the utility model;

[0018] Figure 4 A split view of the cutting knife mechanism in the cutting knife of the laparoscope cutting anastomat is provided for the utility model.

[0019] Legend: 1, connecting mechanism;101, connecting block;102, assembly frame;103, first connecting groove;104, insertion slot;105, insertion block;106, push plate;107, second connecting groove;2, cutting knife mechanism;201, tool holder;202, second connecting block;203, first connecting block;204, blade;205, fixed hole;206, anti-expansion pin;207, plug plate;208, identification;209, displacement sensor. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more clearly understood, the utility model is further explained below in combination with the drawings and embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figures 1-4 As shown, this utility model provides a cutting blade for a laparoscopic anastomosis device, including: a connecting mechanism 1 and a cutting blade mechanism 2; the cutting blade mechanism 2 includes a blade holder 201, a second connecting block 202 is fixedly installed at one end of the blade holder 201, a first connecting block 203 is fixedly installed on both sides of the blade holder 201, a blade 204 is inserted inside the blade holder 201, a set of fixing holes 205 are opened inside both the blade holder 201 and the blade 204, an anti-expansion pin 206 is threadedly connected inside the set of fixing holes 205, a plug plate 207 is snapped into the inside of the fixing holes 205, an identifier 208 is fixedly set on one side of the blade 204, and a displacement sensor 209 is fixedly installed on the top of the blade holder 201.

[0023] The overall effect of Embodiment 1 is as follows: by fixing a second connecting block 202 to one end of the tool holder 201 and fixing a first connecting block 203 to both sides of the tool holder 201, it is convenient to connect the tool holder 201 with the connecting block 101, thereby installing it inside the slide rail. A blade 204 is inserted inside the tool holder 201. Fixing holes 205 are opened through the tool holder 201 and the blade 204. Anti-expansion pins 206 are inserted inside the fixing holes 205. The anti-expansion pins 206 are threadedly connected to the tool holder 201 and the blade 204, thus fixing the blade 204. Simultaneously, the blade 204 is locked in the thickness direction to prevent the blade 204 from opening when the matching instrument bends or the cutter head encounters large cutting resistance. Finally, a plug plate 207 is inserted into the fixing hole 205 to ensure the flatness of the surface of the cutter holder 201 and to prevent the fixing hole 205 from being blocked, which would affect the replacement and disassembly of the blade 204. A mark 208 is fixedly set on one side of the blade 204, and a displacement sensor 209 is fixedly set on the top of the cutter holder 201 to facilitate monitoring the precise length of the forward movement of the cutter holder 201 and improve the cutting accuracy.

[0024] Example 2: As Figures 1-4As shown, the connecting mechanism 1 comprises a connecting block 101, both sides of the connecting block 101 are fixedly connected with a component frame 102; the opposite side of a group of component frames 102 is provided with a first connecting slot 103, one end of the connecting block 101 is provided with a slot 104; a group of plug blocks 105 are inserted into a group of slots 104, one end of a group of plug blocks 105 is fixedly installed with a push plate 106; the end of the connecting block 101 away from the push plate 106 is provided with a second connecting slot 107; a tool holder 201 is arranged between a group of component frames 102, a group of first connecting blocks 203 are respectively inserted into a group of first connecting slots 103; a second connecting block 202 is inserted into the second connecting slot 107, and the second connecting block 202 is matched with the second connecting slot 107.

[0025] The effect of the whole embodiment 2 is that the connecting block 101 is arranged to facilitate the connection between the tool holder 201 and the push plate 106, the component frame 102 is fixedly installed on both sides of the connecting block 101, the component frame 102 is arranged in the slide rail, and the cutting knife extension length is adjusted by pushing the push plate 106; secondly, the slot 104 is arranged at one end of the connecting block 101, the second connecting slot 107 is arranged at the other end of the connecting block 101, the plug block 105 is inserted into the slot 104, the push plate 106 is fixedly installed at one end of the plug block 105, the plug block 105 and the slot 104 are connected by the plug-in mode, which facilitates installation and disassembly, and can ensure the firmness and stability of the connection, the first connecting slot 103 is arranged at the opposite side of a group of component frames 102, the second connecting block 202 is fixedly installed at one end of the tool holder 201, and the first connecting block 203 is fixedly installed on both sides of the tool holder 201, the tool holder 201 is arranged between a group of component frames 102, the first connecting block 203 and the first connecting slot 103 are clamped, the second connecting block 202 and the second connecting slot 107 are clamped, and the tool holder 201 is facilitated to be installed and fixed.

[0026] Working principle: the device in use, first, by setting the connecting block 101, facilitate the connection of the knife holder 201 and the push plate 106, in both sides of the connecting block 101 are fixedly installed assembly frame 102, the assembly frame 102 is arranged in the inside of slide rail, by pushing the push plate 106 to adjust the cutting knife extension length;Second, the slot 104 is set in one end of the connecting block 101, the second connecting slot 107 is set in the other end of the connecting block 101, the plug block 105 is inserted in the inside of the slot 104, the push plate 106 is fixedly installed in one end of the plug block 105, the plug block 105 and the slot 104 are inserted in a plug-in manner, which is convenient for installation and disassembly, and can ensure the firmness and stability of the connection, and a group of assembly frames 102 are arranged on the opposite side of the first connecting slot 103, the second connecting block 202 is fixedly installed in one end of the knife holder 201, the first connecting block 203 is fixedly installed on both sides of the knife holder 201, the knife holder 201 is arranged between a group of assembly frames 102, the first connecting block 203 and the first connecting slot 103 are connected, the second connecting block 202 and the second connecting slot 107 are connected, which is convenient for installing and fixing the knife holder 201;Then, the blade 204 is inserted in the inside of the knife holder 201, the fixed hole 205 is penetrated and arranged in the inside of the knife holder 201 and the blade 204, the anti-expansion pin 206 is inserted in the inside of the fixed hole 205, the anti-expansion pin 206 is screwed with the knife holder 201 and the blade 204, the blade 204 is fixed and locked in the thickness direction of the blade 204, so that the risk of blade 204 expansion is avoided when the anastomat is bent or the cutting resistance of the cutter head is large;Finally, the plug plate 207 is connected in the inside of the fixed hole 205, the flatness of the surface of the knife holder 201 is guaranteed, meanwhile, the fixed hole 205 is prevented from being blocked, the replacement and disassembly of the blade 204 are affected, the identification 208 is fixedly arranged on one side of the blade 204, and the displacement sensor 209 is fixedly arranged on the top of the knife holder 201, so that the accurate length of the forward advancement of the knife holder 201 is monitored, and the cutting accuracy is improved.

[0027] The wiring diagram of the displacement sensor 209 in the utility model belongs to the common knowledge in the art, and its working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the displacement sensor 209 are not explained in detail.

[0028] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the utility model to the above embodiments still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A cutting knife of a laparoscopic cutting stapler, characterized by, Include: Connecting mechanism (1) and cutting knife mechanism (2); The cutting knife mechanism (2) comprises a knife seat (201), one end of the knife seat (201) is fixedly installed with a second connecting block (202), both sides of the knife seat (201) are fixedly installed with a first connecting block (203), the inside of the knife seat (201) is inserted with a blade (204), the inside of the knife seat (201) and the blade (204) is provided with a group of fixed holes (205), the inside of a group of fixed holes (205) is threadedly connected with an anti-expansion pin (206), the inside of the fixed hole (205) is clamped with a plug plate (207), one side of the blade (204) is fixedly provided with a mark (208), the top of the knife seat (201) is fixedly installed with a displacement sensor (209).

2. The cutting knife of a laparoscopic cutting anastomat according to claim 1, characterized in that: The connecting mechanism (1) comprises a connecting block (101), both sides of the connecting block (101) are fixedly connected with a group of component racks (102).

3. The cutting knife of a endoscopic cutting stapler according to claim 2, wherein: A group of opposite sides of the component rack (102) are provided with a first connecting groove (103), one end of the connecting block (101) is provided with a slot (104).

4. The cutting knife of a endoscopic cutting stapler according to claim 3, characterized in that: A group of the inside of the slot (104) is inserted with an insertion block (105), one end of a group of the insertion block (105) is fixedly installed with a push plate (106).

5. The cutting knife of a endoscopic cutting stapler according to claim 2, wherein: The end of the connecting block (101) away from the push plate (106) is provided with a second connecting groove (107).

6. The cutting knife of a endoscopic cutting stapler according to claim 2, wherein: The knife seat (201) is arranged between a group of component racks (102), and a group of first connecting grooves (103) are respectively inserted into a group of first connecting grooves (103).

7. The cutting knife of a endoscopic cutting stapler according to claim 5, wherein: The second connecting block (202) is inserted into the second connecting groove (107), and the second connecting block (202) is matched with the second connecting groove (107).

Images