CN-224216492-U - Anastomat cutting knife detection device

CN224216492UCN 224216492 UCN224216492 UCN 224216492UCN-224216492-U

Abstract

The utility model discloses a detection device for a cutting knife of an anastomat, which comprises a vertical driving assembly, a transverse driving assembly, a cutting knife testing assembly and a suture thread clamp, wherein the cutting knife testing assembly comprises a pressure sensor and a connector unit for installing the cutting knife of the anastomat, the connector unit is assembled at the lifting end of the vertical driving assembly, the suture thread clamp comprises a balancing weight, a plurality of threading posts for the suture thread to pass through and a compaction driver for compacting the suture thread, the transverse driving assembly drives the suture thread clamp to move, so that 1 threading post corresponds to the connector unit, the vertical driving assembly drives the cutting knife of the anastomat on the connector unit to cut the suture thread on the suture thread clamp, and the cutting force born by the cutting knife of the anastomat is measured through the pressure sensor, so that the manual detection mode can be replaced, and the sharpness performance of the cutting knife of the anastomat can be accurately, conveniently and reliably detected.

Inventors

WANG YUNQING
LIU GENGHUA
ZHANG NA
WANG XUE
ZHAO LEI
Shao Wenpeng
WANG PEIRONG
CAI HU
XU WENFENG
XU ZHANBING
WANG YANHUI
MING WENJUAN
Xie Qianjie
WU LIWEI
NIU JIAOJIAO
ZHAO MIAOMIAO

Assignees

陕西省医疗器械质量检验院

Dates

Publication Date: 20260508
Application Date: 20250516

Claims (8)

1. The anastomat cutting knife detection device is characterized by comprising a vertical driving assembly, a transverse driving assembly, a cutting knife testing assembly assembled on the vertical driving assembly and a suture thread clamp assembled on the transverse driving assembly; The cutter testing assembly comprises a connector unit for installing a cutter of the anastomat and a pressure sensor assembled on the connector unit, and the connector unit is assembled on the lifting end of the vertical driving assembly; The suture clamp comprises a balancing weight for tensioning a suture, a plurality of threading posts and a compaction driver matched with each threading post, wherein the threading posts are used for the suture to pass through, and the compaction driver is used for compacting the suture positioned in the threading posts; The transverse driving assembly drives the suture thread clamp to move so that the threading column corresponds to the connector unit, the vertical driving assembly drives the anastomat cutting knife on the connector unit to cut the suture thread on the suture thread clamp, and the cutting force born by the anastomat cutting knife is measured through the pressure sensor so as to detect sharpness of the suture thread.
2. The anastomat cutting knife detection device according to claim 1, wherein the suture thread clamp further comprises a mounting frame, the mounting frame is provided with a plurality of accommodating cavities for accommodating the compression drivers, the compression drivers are assembled in the accommodating cavities corresponding to the mounting frame, the wall body of the accommodating cavity, which faces the connector unit, is provided with mounting holes for mounting the threading posts, the threading posts are assembled in the mounting holes corresponding to the threading posts, the telescopic ends of the compression drivers are assembled with compression members, the compression members are provided with compression heads, the threading posts are provided with guide grooves matched with the compression heads and threading holes communicated with the guide grooves, and during testing, the compression heads of the compression members movably extend into the guide grooves to compress sutures entering the guide grooves through the threading holes.
3. The anastomat cutting knife detection device according to claim 2, wherein the mounting frame is provided with a pulley for supporting a suture line, the suture line is wound on the pulley during testing, and one end of the suture line, which is away from the threading column, is tied with the balancing weight, and the balancing weight is suspended.
4. The device for detecting the cutting knife of the anastomat according to claim 3, wherein the compressing driver is a cylinder, and the balancing weight is a weight.
5. The device for detecting the cutting knife of the anastomat of claim 1, wherein the transverse driving component is an electric sliding table.
6. The anastomat cutting knife detection device according to any one of claims 1-5, wherein the cutting knife test assembly further comprises a connecting frame, the connector unit comprises a rotary connector and a translational connector, the rotary connector is assembled in the connecting frame and used for installing an annular cutting knife and driving the annular cutting knife on the rotary connector to rotate at fixed points, the translational connector is assembled on the outer wall of the connecting frame and used for installing a linear cutting knife and driving the linear cutting knife on the translational connector to translate at fixed points, and the connecting frame is assembled on the lifting end of the vertical driving assembly.
7. The device for detecting the knife of a stapler according to claim 6, wherein the rotary connector comprises a rotary driver capable of rotating at a fixed point, and the translational connector comprises a translational driver capable of translating at a fixed point.
8. The device of claim 6, wherein the vertical driving assembly is a screw driving assembly and is used for driving the connecting frame to lift and lower so as to enable the anastomat cutting knife on the connector unit to be far away from or close to the suture thread on the suture thread clamp.

Description

Anastomat cutting knife detection device Technical Field The utility model relates to the technical field of medical instruments, in particular to a detection device for a cutting knife of an anastomat. Background The anastomat is a medical instrument used for quickly connecting human tissues in a surgical operation, is mainly used for replacing traditional manual suturing, and improves the operation efficiency and safety, wherein the cutting blade of the anastomat is one of important guarantees that the operation is smoothly carried out, if the cutting blade becomes blunt, a doctor is difficult to cut or cut the tissues of a patient during the operation, and simultaneously, great pain is brought to the patient, so that the sharpness of a cutter of the anastomat is required to be detected, and the cutter of the anastomat used meets the operation requirement. At present, manual mode is mostly adopted to detect the cutter blade degree of interest of the anastomat, and when the sharpness of the same cutter is subjected to multi-point test, a detector is required to manually assemble and clamp a suture for many times and adjust the test position of the cutter of the anastomat, so that the operation is complicated and inconvenient, and the accuracy of detection data is unstable. Disclosure of utility model Therefore, the utility model aims to solve the problems, and provides the anastomat cutting knife detection device which can replace a manual detection mode and can accurately, conveniently and reliably detect the sharpness performance of the anastomat cutting knife. In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: The utility model provides a cutter detection device of an anastomat, which comprises a vertical driving assembly, a transverse driving assembly, a cutter testing assembly assembled on the vertical driving assembly and a suture thread clamp assembled on the transverse driving assembly, wherein the cutter testing assembly comprises a connector unit for installing the cutter of the anastomat and a pressure sensor assembled on the connector unit, the connector unit is assembled on a lifting end of the vertical driving assembly, the suture thread clamp comprises a balancing weight for tensioning a suture thread, a plurality of threading posts and a compaction driver matched with each threading post, the threading posts are used for enabling the suture thread to pass through, the compaction driver is used for compacting the suture thread positioned in the threading posts, the transverse driving assembly drives the suture thread clamp to move so that the threading posts correspond to the connector unit, the cutter of the anastomat on the connector unit is driven by the vertical driving assembly to cut the suture thread on the suture thread clamp, and the cutting force born by the cutter of the anastomat is measured through the pressure sensor so as to detect the sharpness of the suture thread. Further, the suture thread clamp comprises a mounting frame, wherein the mounting frame is provided with a plurality of accommodating cavities for accommodating the compression drivers, the compression drivers are assembled in the accommodating cavities corresponding to the accommodating cavities, mounting holes for mounting the threading posts are formed in the wall bodies of the accommodating cavities, the threading posts are assembled in the mounting holes corresponding to the threading posts, the telescopic ends of the compression drivers are provided with compression members, the compression members are provided with compression portions, the threading posts are provided with guide grooves matched with the compression portions and threading holes communicated with the guide grooves, and during testing, the compression portions of the compression members movably extend into the guide grooves to compress sutures entering the guide grooves through the threading holes. Furthermore, the mounting frame is provided with a pulley for supporting the suture, the suture is wound on the pulley during testing, the balancing weight is tied at one end of the suture, which is away from the threading column, and the balancing weight is suspended. Further, the compressing driver is an air cylinder, and the balancing weight is a weight. Further, the transverse driving component is an electric sliding table. The cutting knife testing assembly further comprises a connecting frame, the connector unit comprises a rotary connector and a translation connector, the rotary connector is assembled in the connecting frame and used for installing an annular cutting knife and driving the annular cutting knife on the rotary connector to rotate at fixed points, the translation connector is assembled on the outer wall of the connecting frame and used for installing a linear cutting knife and driving the linear cutting knife on the translation connector to translate at fixed points, and the