CN-121987259-A - Skin endothelial cell tumor puncture sample takes out auxiliary device

CN121987259ACN 121987259 ACN121987259 ACN 121987259ACN-121987259-A

Abstract

The application relates to an auxiliary device for taking out a skin endothelial cell tumor puncture specimen, and belongs to the technical field of medical equipment. The puncture sampling device comprises a positioning adjusting assembly, a negative pressure assembly, a puncture sampling assembly and a position adjusting assembly, wherein the positioning adjusting assembly is arranged at the front end of the positioning adjusting assembly and used for fixing subcutaneous tumors, the negative pressure assembly is arranged at the front end of the positioning adjusting assembly and used for assisting in fixing the positioning adjusting assembly and the surface of skin, the puncture sampling assembly is arranged at the rear end of the positioning adjusting assembly and used for puncture sampling of subcutaneous tumor samples, and the position adjusting assembly is arranged on a base and used for adjusting the distance between the puncture sampling assembly and a part to be punctured. The device clamps the tumor edge through the cooperation of adjusting ring and dead lever, and the adsorption force that negative pressure assembly produced makes skin surface and device keep fixed contact, and position adjustment subassembly drive puncture sampling assembly removes to the target depth along predetermineeing the route, has effectively solved the sample deviation problem that the tumor is fixed unstably and has led to, has simplified the operation flow, makes puncture depth and angle adjustment more accurate.

Inventors

KANG XIAOJING
WANG HONGJUAN
DING YUAN
WANG YUNYING
LI TINGTING
WANG PENG
ZHANG JINGZHAN
YU SHIRONG
ZHANG DEZHI
HU WEN

Assignees

新疆维吾尔自治区人民医院

Dates

Publication Date: 20260508
Application Date: 20260206

Claims (9)

1. Skin endothelial cell tumor puncture sample takes out auxiliary device, sets up on sick bed (11), its characterized in that includes: The positioning and adjusting assembly (2) is arranged at the front end of the position and adjusting assembly (5) and is used for fixing subcutaneous tumors; The negative pressure component (3) is arranged at the front end of the positioning adjusting component (2) and is used for assisting in fixing the positioning adjusting component (2) and the surface of the skin; The puncture sampling assembly (4) is positioned at the rear end of the positioning adjusting assembly (2) and is used for performing puncture sampling on a subcutaneous tumor sample; The position adjusting assembly (5) is positioned on the base (12) and is used for adjusting the distance between the puncture sampling assembly (4) and the part to be punctured.
2. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 1, characterized in that the positioning adjustment assembly (2) comprises: A retainer ring (21) positioned on the skin surface; two fixing rods (22) are arranged, the front ends of the fixing rods are used for clamping tumors, a plurality of positioning holes (221) are formed in the top side of the fixing rods, and an elliptical rod (222) is arranged in the fixing rods; an adjusting ring (23) rotatably connected with the front end of the fixing ring (21), sleeved on the peripheries of the two fixing rods (22) and slidably connected with the fixing rods (22), And the front end of the positioning pin is in sliding connection with the positioning hole (221), and the rear end of the positioning pin is in sliding connection with the adjusting ring (23) and the fixing ring (21).
3. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 1, characterized in that the positioning adjustment assembly (2) further comprises: and the clamping plate (24) is positioned at the front end of the fixed rod (22) and is rotationally connected with the fixed rod (22).
4. A skin endothelial cell tumor puncture specimen retrieval assisting device according to claim 3, characterized in that the negative pressure assembly (3) comprises: A sealing cavity (31) is positioned at the rear end of the positioning and adjusting assembly (2); An adsorption cavity (32) which is abutted against the surface of the skin and is positioned at the bottom side of the regulating ring (23); A negative pressure pipe (33) which communicates the seal chamber (31) with the adsorption chamber (32); The air pump (34) is positioned at the front side of the position adjusting assembly (5), and the air suction port is communicated with the sealing cavity (31).
5. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 2, characterized in that the puncture sampling assembly (4) comprises: A puncture needle (41) positioned on the positioning and adjusting assembly (2); the first sampling head (42) is positioned at the front end of the puncture needle (41) and is used for puncturing a tumor; the outer wall of the second sampling head (43) is abutted with the inner wall of the first sampling head (42) and is rotationally connected with the first sampling head (42) for cutting a tumor sample; And the elastic device (44) is positioned at the rear end of the second sampling head (43) and is used for driving the second sampling head (43) to slide towards the front end.
6. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 5, wherein the first sampling head (42) and the second sampling head (43) are each semi-cylindrical grooves, and the groove depth of the first sampling head (42) is greater than the groove depth of the second sampling head (43).
7. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 5, wherein the elastic means (44) comprises: An elastic member (441) located between the rear end of the puncture needle (41) and the rear end of the second sampling head (43); And a card (442) is transversely inserted into the puncture needle (41), and the top side of the card is clamped with the second sampling head (43).
8. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 1, characterized in that the puncture sampling assembly (4) further comprises: The first sleeve (45) is sleeved on the periphery of the puncture needle (41) and is connected with the positioning and adjusting assembly (2); A second sleeve (46) which is sleeved on the periphery of the first sleeve (45); And a stop lever (47) arranged in the second sleeve (46), and the front end of the stop lever can be abutted with the second sampling head (43).
9. The skin endothelial cell tumor puncture specimen retrieval assist device according to claim 1, characterized in that the position adjustment assembly (5) comprises: The longitudinal adjusting piece (51) is positioned on the sickbed (11) and drives the base (12) to reciprocate along the longitudinal direction of the sickbed (11); The vertical adjusting piece (52) is positioned on the surface of the base (12) and is used for driving the positioning adjusting assembly (2) to vertically reciprocate; And the transverse adjusting piece (53) is connected with the vertical adjusting piece (52) and the positioning adjusting assembly (2) and is used for driving the positioning adjusting assembly (2) to reciprocate along the transverse direction.

Description

Skin endothelial cell tumor puncture sample takes out auxiliary device Technical Field The invention relates to an auxiliary device for taking out a skin endothelial cell tumor puncture specimen, and belongs to the technical field of medical equipment. Background Tumors are novel organisms formed by local tissue cell proliferation under the action of various tumorigenic factors. In order to accurately judge the type, nature and the like of a tumor so as to establish a proper treatment scheme, pathological examination of tumor tissues is required, and puncture biopsy is one of important means for obtaining a tumor tissue sample. The method has the characteristics of small wound, light pain, quick recovery and the like, and is widely applied to clinical practices such as cytological biopsy diagnosis, body tissue sampling and the like. The existing skin tumor puncturing and sampling technology has the main problems that firstly, a sample is difficult to fix, in the traditional puncturing and sampling process, an effective fixing means is lacking for tumors on the skin surface, and the tumors are easy to move during puncturing, so that the accuracy and the stability of sampling are affected, and an ideal tumor tissue sample may not be obtained. Secondly, the sampling integrity is poor, the design of some existing sampling needles is unreasonable, and tumor tissues can not be completely obtained during sampling, especially for some tumors with harder textures or complex structures, the condition that samples are incomplete easily occurs, and the accuracy of pathological diagnosis is affected. In addition, the sample is easy to pollute, and in the sampling process, the sample may be contacted with air, or after the sample is taken out, the sample is easy to be polluted by the external environment due to improper operation and the like, so that the quality of the sample and the subsequent pathological analysis are influenced. Finally, the operation flow is complex, and part of the traditional puncture sampling equipment has more operation steps, so that operators are required to have higher technical level and rich experience, otherwise, misoperation can occur, and pain of patients and sampling risks are increased. Disclosure of Invention The application provides an auxiliary device for taking out a tumor puncture specimen of skin endothelial cells, aiming at improving the convenience of sampling the tumor puncture specimen. The auxiliary device for taking out the skin endothelial cell tumor puncture specimen is arranged on a sickbed and comprises a positioning adjusting assembly, a negative pressure assembly, a puncture sampling assembly and a position adjusting assembly, wherein the positioning adjusting assembly is arranged at the front end of the position adjusting assembly and used for fixing subcutaneous tumors, the negative pressure assembly is arranged at the front end of the positioning adjusting assembly and used for assisting in fixing the positioning adjusting assembly and the skin surface, the puncture sampling assembly is arranged at the rear end of the positioning adjusting assembly and used for performing puncture sampling on subcutaneous tumor samples, and the position adjusting assembly is arranged on a base and used for adjusting the distance between the puncture sampling assembly and a part to be punctured. Through above-mentioned technical scheme, the device is through the cooperation centre gripping tumour edge of adjusting collar and dead lever, the adsorption force that negative pressure assembly produced makes skin surface and device keep fixed contact, position adjustment assembly drive puncture sampling assembly moves to target depth along predetermineeing the route, effectively solved the sample deviation problem that the tumour is fixed unstably and lead to, negative pressure adsorption mechanism has reduced skin surface slip risk, multiaxis is to adjusting function has simplified the operation flow, make puncture depth and angle adjustment more accurate, the technical dependence to operating personnel has been reduced, modular design has reduced sample exposure time, thereby reduce pollution risk. In some embodiments, the positioning adjusting assembly comprises a fixed ring, two fixed rods, a plurality of positioning holes, an adjusting ring, a positioning pin and an adjusting ring, wherein the fixed ring is positioned on the surface of skin, the fixed rods are provided with two, the front ends are used for clamping tumors, the top sides of the fixed rods are provided with a plurality of positioning holes, the inside of the fixed rods are provided with oval rods, the adjusting ring is rotationally connected with the front ends of the fixed rings, the adjusting ring is sleeved on the peripheries of the two fixed rods and is in sliding connection with the fixed rods, the front ends of the positioning pins are in sliding connection with the positioning holes, and the rear ends of the ad