Magnetic compatible use puncture needle

By designing the magnetic and capacitance of positioning components, puncture components, and sampling components, the problem of insufficient sample samples and stability in the MRI environment is solved, and the accuracy of sufficient samples and density analysis is realized.

CN222398668UActive Publication Date: 2025-01-28NANJING DEVON MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202420656766.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2025-01-28
Estimated Expiration
2034-04-01

AI Technical Summary

Technical Problem

The existing magnetically compatible puncture needles have too few samples taken out during the sampling process in the MRI environment, which makes it difficult to analyze the samples in the subsequent manner, with low accuracy and reference, and poor stability when sampling the tilted aligned sample.

Method used

A magnetic compatibility uses a puncture needle, including positioning components, puncture components and sampling components. The positioning component adjusts the support frame angle by adjusting the corner adjustment motor to ensure the vertical sampling pipe; the puncture component is driven by the displacement motor and microcroof motor to achieve the uniform collection of the sample; precise.

Benefits of technology

Effectively solve the problem of insufficient sample volume and poor stability, ensure that the sample volume meets the inspection needs, and more accurate when analyzing the density of the sample, which improves the applicability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a magnetic compatible use puncture needle which comprises a positioning assembly used for fixing and supporting, a puncture assembly used for a probe and positioning sample tissue is arranged on one side of the positioning assembly, a sampling assembly guaranteeing that the sample size meets the inspection requirement is arranged above the puncture assembly, and the sampling assembly comprises a top end moving seat. A moving wheel set b is arranged on the top end moving seat, and a sampling motor is mounted on one side of the moving wheel set b. In the utility model, aiming at the problem that the sample size is difficult to control in the sampling process, an assembly for avoiding sample loss and simultaneously uniformly sampling is additionally arranged, so that the sample density is more accurately analyzed while the sample size meets the inspection requirement; the base is fixed on an operation table, the angle adjusting motor drives the supporting frame to adjust the angle according to conditions, finally, the sampling pipe is perpendicular to the skin, the hanging ring is connected with the rope, the supporting frame is kept fixed, the problem that the stability is poor when the device is obliquely aligned with a sample for sampling is solved, and the applicability of the device is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of medical equipment, in particular to a magnetically compatible puncture needle. Background Art

[0002] A magnetically compatible puncture needle is a specially designed medical tool used for puncture procedures in a magnetic resonance imaging (MRI) environment. Since MRI scans use strong magnetic fields and radio frequencies, traditional metal needles may cause safety issues or image interference. Therefore, magnetically compatible puncture needles made of non-magnetic materials are required in MRI environments. Magnetic compatible puncture needles are usually made of non-magnetic materials to ensure that no magnetic field interference is generated during MRI scans. These needles have good magnetic permeability and will not adversely affect the quality of MRI images.

[0003] In the prior art, too little tissue sample is taken out during the sampling process of the magnetically compatible puncture needle, making subsequent sample analysis difficult, resulting in low accuracy and reference value; the stability is poor when the sample is sampled at an angle, and the applicability is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetically compatible puncture needle to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The magnetically compatible puncture needle includes a positioning component for fixed support, a puncture component for a probe and positioning sample tissue is arranged on one side of the positioning component, and a sampling component for ensuring that the sample volume meets the inspection requirements is arranged above the puncture component; the sampling component includes a top movable seat, a movable wheel group b is arranged on the top movable seat, a sampling motor is installed on one side of the movable wheel group b, and the sampling motor is bolted to the top movable seat, a sampling tag is arranged on one side of the top movable seat, a sampling motor is installed on the top of the sampling tag, and the sampling motor is bolted to the top movable seat.

[0007] Furthermore: the positioning assembly includes a base, a support frame is rotatably arranged on the base, an angle adjustment motor is installed at the bottom of the support frame, a guide plate is arranged on one side of the support frame, and a hanging ring is arranged on the top of the support frame.

[0008] Furthermore: the puncture assembly includes a bottom moving seat, a moving wheel group a is arranged on the bottom moving seat, a shift motor is installed on one side of the moving wheel group a, the shift motor is bolted to the bottom moving seat, and a stabilizing sleeve is fixedly arranged on one side of the bottom moving seat.

[0009] Furthermore: a sampling tube is arranged in the stabilizing sleeve, a driven gear ring is installed on the upper end of the sampling tube, a driving gear is installed on one end of the driven gear ring, a micro-rotating motor is installed on the driving gear, the micro-rotating motor is bolted to the bottom moving seat, and a needle is arranged on the lower end of the sampling tube.

[0010] Furthermore: the sampling tube is rotatably connected to the stabilizing sleeve via a bearing, and the driving gear is rotatably connected to the bottom moving seat.

[0011] Furthermore: the spiral length of the sampling swab is equal to the length of the sampling tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the present invention, in order to solve the problem that it is difficult to control the sample volume during the sampling process, a component is added to avoid sample loss and uniformly sample, so as to ensure that the sample volume meets the inspection requirements and is more accurate in analyzing the sample density;

[0014] 2. In the utility model, the base is fixed to the operating table, and the angle adjustment motor drives the support frame to adjust the angle according to the situation, so that the sampling tube is perpendicular to the epidermis, and the rope is connected to the hanging ring to keep the support frame fixed, which solves the problem of poor stability when the device is tilted to align with the sample for sampling and improves the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereoscopic diagram of the magnetically compatible puncture needle of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the magnetically compatible puncture needle positioning assembly of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the magnetically compatible puncture needle puncture assembly of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the magnetically compatible puncture needle sampling assembly of the utility model.

[0019] In the accompanying drawings: 1. Positioning assembly; 101. Base; 102. Support frame; 103. Angle adjustment motor; 104. Guide plate; 105. Hanging ring; 2. Puncture assembly; 201. Bottom moving seat; 202. Moving wheel group a; 203. Shifting motor; 204. Stabilizing sleeve; 205. Sampling tube; 206. Driven gear ring; 207. Driving gear; 208. Micro-rotating motor; 209. Needle; 3. Sampling assembly; 301. Top moving seat; 302. Moving wheel group b; 303. Sampling motor; 304. Sampling sign; 305. Sampling motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 The magnetically compatible puncture needle includes a positioning component 1 for fixing the support, a puncture component 2 for the probe and positioning the sample tissue is arranged on one side of the positioning component 1, and a sampling component 3 is arranged above the puncture component 2 to ensure that the sample volume meets the inspection requirements.

[0022] In this embodiment: the positioning component 1 includes a base 101, a support frame 102 is rotatably arranged in the middle of the base 101, an angle adjustment motor 103 is installed at the lower part of the support frame 102, a guide plate 104 is arranged on one side of the support frame 102, a hanging ring 105 is arranged on the top of the support frame 102, the angle adjustment motor 103 is bolted to the support frame 102, the base 101 is fixed to the operating table, the base 101 supports the angle adjustment motor 103 to drive the support frame 102 to adjust the angle according to the situation, and finally the sampling tube 205 is perpendicular to the epidermis, and a rope is connected to the hanging ring 105 to keep the support frame 102 fixed.

[0023] In this embodiment: the puncture assembly 2 includes a bottom moving seat 201, a moving wheel group a202 is arranged on the bottom moving seat 201, a shift motor 203 is installed at one end of the moving wheel group a202, and the shift motor 203 is bolted to the bottom moving seat 201, a stabilizing sleeve 204 is fixedly arranged on one side of the bottom moving seat 201, a sampling tube 205 is rotatably arranged in the middle of the stabilizing sleeve 204, a driven gear ring 206 is installed at the upper end of the sampling tube 205, a driving gear 207 is installed at one end of the driven gear ring 206, a micro-rotating motor 208 is installed on the driving gear 207, and the micro-rotating motor 208 is bolted to the bottom moving seat 201, and a needle 209 is arranged at the lower end of the sampling tube 205. The sampling tube 205 is connected to the bearing of the stabilizing sleeve 204, the driving gear 207 is rotatably connected to the bottom moving seat 201, the shift motor 203 drives the moving wheel group a202 to rotate so that the sampling tube 205 inside the stabilizing sleeve 204 moves downward along the guide plate 104, and the needle 209 penetrates into the designated tissue. The micro-rotating motor 208 drives the driving gear 207 to rotate slightly, and the driving gear 207 drives the sampling tube 205 to rotate through the driven gear ring 206, so that the tissue sample enters the sampling tube 205, and the sampling motor 303 drives the moving wheel group b302 to rotate so that the sampling sign 304 descends along the guide plate 104, and the sampling motor 305 drives the sampling sign 304 to rotate and insert into the middle of the sampling tube 205.

[0024] In this embodiment: the sampling component 3 includes a top moving seat 301, a moving wheel group b302 is provided on the top moving seat 301, a sampling motor 303 is provided at one end of the moving wheel group b302, the sampling motor 303 is bolted to the top moving seat 301, a sampling sign 304 is provided on one side of the top moving seat 301, a sampling motor 305 is installed on the upper end of the sampling sign 304, the sampling motor 305 is bolted to the top moving seat 301, the length of the spiral part of the sampling sign 304 is equal to the length of the sampling tube 205, the sampling motor 303 drives the moving wheel group b302 to rotate so that the sampling sign 304 descends along the guide plate 104, the sampling motor 305 drives the sampling sign 304 to rotate and insert into the middle of the sampling tube 205, and the sampling sign 304 fixes the tissue sample in the sampling tube 205.

[0025] Working principle: When in use, the base 101 is fixed to the operating table, and the base 101 supports the angle adjustment motor 103 to drive the support frame 102 to adjust the angle according to the situation, so that the sampling tube 205 is perpendicular to the epidermis, and the rope is connected to the hanging ring 105 to keep the support frame 102 fixed, and the shift motor 203 drives the moving wheel group a202 to rotate so that the sampling tube 205 inside the stabilizing sleeve 204 moves downward along the guide plate 104, and the needle 209 probes into the designated tissue, and the micro-rotation motor 208 drives the active gear 207 to rotate slightly, and the active gear 207 drives the sampling tube 205 to rotate through the driven gear ring 206, so that the tissue sample enters The sampling tag 304 is inserted into the sampling tube 205, and the sampling motor 303 drives the moving wheel group b302 to rotate to make the sampling tag 304 descend along the guide plate 104. The sampling motor 305 drives the sampling tag 304 to rotate and insert into the middle of the sampling tube 205. The sampling tag 304 fixes the tissue sample in the sampling tube 205 to avoid sample loss and evenly sample the components, ensuring that the sample volume meets the inspection requirements while being more accurate in analyzing the sample density. Then the sampling tube 205 and the sampling tag 304 rise at the same time to take out the tissue sample, and finally the sampling tube 205 is separated from the sampling tag 304, and the medical staff collects the sample in the sampling tag 304 to complete the sampling.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetically compatible puncture needle comprises a positioning component (1) for fixing and supporting, wherein one side of the positioning component (1) is provided with a puncture component (2) for a probe and positioning a sample tissue, characterized in that: A sampling component (3) is arranged above the puncture component (2) to ensure that the sample volume meets the inspection requirements; The sampling component (3) comprises a top movable seat (301), a movable wheel group b (302) is arranged on the top movable seat (301), a sampling motor (303) is installed on one side of the movable wheel group b (302), and the sampling motor (303) is bolted to the top movable seat (301), a sampling swab (304) is arranged on one side of the top movable seat (301), a sampling motor (305) is installed on the top of the sampling swab (304), and the sampling motor (305) is bolted to the top movable seat (301).

2. The magnetically compatible puncture needle according to claim 1, characterized in that: The positioning assembly (1) comprises a base (101), a support frame (102) is rotatably arranged on the base (101), an angle adjustment motor (103) is installed at the bottom of the support frame (102), a guide plate (104) is arranged on one side of the support frame (102), and a hanging ring (105) is arranged on the top of the support frame (102).

3. The magnetically compatible puncture needle according to claim 1, characterized in that: The puncture assembly (2) comprises a bottom movable seat (201), a movable wheel group a (202) is arranged on the bottom movable seat (201), a shift motor (203) is installed on one side of the movable wheel group a (202), the shift motor (203) is bolted to the bottom movable seat (201), and a stabilizing sleeve (204) is fixedly arranged on one side of the bottom movable seat (201).

4. The magnetically compatible puncture needle according to claim 3, characterized in that: A sampling tube (205) is arranged in the stabilizing sleeve (204), a driven gear ring (206) is installed on the upper end of the sampling tube (205), a driving gear (207) is installed on one end of the driven gear ring (206), a micro-rotating motor (208) is installed on the driving gear (207), and the micro-rotating motor (208) is bolted to the bottom moving seat (201), and a needle (209) is arranged on the lower end of the sampling tube (205).

5. The magnetically compatible puncture needle according to claim 4, characterized in that: The sampling tube (205) is rotationally connected to the stabilizing sleeve (204) via a bearing, and the driving gear (207) is rotationally connected to the bottom moving seat (201).

6. The magnetically compatible puncture needle according to claim 4, characterized in that: The spiral length of the sampling swab (304) is equal to the length of the sampling tube (205).