Lymph node puncture sampling device
By designing a sliding rod and spring mechanism for the sleeve and syringe, the automatic storage of the puncture needle is achieved, solving the problems of needle exposure and collision damage, and improving the safety and durability of the lymph node puncture sampling device.
Patent Information
- Application Number
- CN202422308009.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-09-23
AI Technical Summary
The puncture needle of the existing lymph node puncture sampling device exposed after use increases the risk of infection for medical staff and is easily damaged by collision.
A device comprising a sleeve, a syringe, a puncture needle, a slide bar, and an extraction component was designed. Through the cooperation of the slide bar and a spring, the puncture needle is automatically stored, avoiding direct exposure and enhancing safety. A limiting structure is also used to prevent collisions.
The safety after puncture sampling is improved, the direct exposure and collision damage of the puncture needle are prevented, and the safety of the device is improved.
Smart Images
Figure CN223438551U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to puncture sampling technical field, and specifically, relate to a lymph node puncture sampling device. BACKGROUND
[0002] At present, when the patient appears lymph node enlargement and the clinical consideration is lymphoma, the lymph node biopsy should be carried out. The lymph node biopsy is to take the lymph node tissue by the traumatic method to carry out pathological examination, and is the gold standard of lymphoma diagnosis. The superficial lymph node enlargement can carry out the lymph node excision biopsy, the deep lymph node enlargement is cut and taken with the risk, and the lymph node puncture can be carried out for the person who cannot carry out the excision biopsy, the advantage is convenient and easy to operate, and the shortcoming is that the tissue is less, and the result determination can be affected,
[0003] After the existing medical staff uses the puncture needle to carry out sampling, the puncture needle is usually exposed outside, since the puncture needle is sampled, the needle head can carry microorganism and pathogen, the risk of infection of the surrounding medical staff is increased, the safety of the tumor puncture sampling device is reduced, and the collision is easy to occur when taking, and damage is easy to cause. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortage, the utility model provides a lymph node puncture sampling device, which aims at improving the problem that the puncture needle is usually exposed outside, the risk of infection of the surrounding medical staff is increased, the safety of the tumor puncture sampling device is reduced, and the collision is easy to occur when taking, and damage is easy to cause.
[0005] The utility model is such a realization that a lymph node puncture sampling device, including sleeve and needle cylinder, sleeve one end sliding sleeve joint needle cylinder, needle cylinder one end fixed installation puncture needle, sleeve one side is provided with with the circular hole of matching needle cylinder, sleeve inner wall one side rotationally installed support ring, support ring one side fixed installation spring, spring one end with needle cylinder one end fixed connection, needle cylinder outside symmetry fixed installation slide rod, sleeve outside is provided with with two slide rod matching slide hole, slide hole is J type setting, needle cylinder is installed with extraction piece.
[0006] In the preferred technical scheme of the utility model, the sleeve outside symmetry fixed installation side plate, the side plate outside is arc setting, the side plate relatively close to the circular hole one end.
[0007] In the preferred technical scheme of the utility model, the support ring outside fixed installation limiting ring, the sleeve inner wall is provided with with the limiting slot of matching limiting ring, the limiting ring with limiting slot inner wall sliding connection.
[0008] The sliding rod is connected with the inner wall of the sliding hole in sliding mode, and the two sliding holes are 8° apart from each other with the sleeve as the axis.
[0009] In the preferred technical scheme of the utility model, the length of the sleeve is greater than the length of the puncture needle, and the length of the needle cylinder is greater than the length of the sleeve.
[0010] In the preferred technical scheme of the utility model, the extraction part comprises a piston, an extension rod and a pull plate, the piston is slidably installed on the inner wall of the needle cylinder, one end of the piston is fixedly installed with the extension rod, the extension end of the extension rod is slidably penetrated through one side of the needle cylinder and fixedly installed with the pull plate, and the maximum length of the extension rod in extension is greater than the length of the needle cylinder.
[0011] In the preferred technical scheme of the utility model, the extension rod comprises a first pull rod and a second pull rod, one end of the first pull rod is provided with a first sliding groove and slidably sleeved with the second pull rod, the other end of the first pull rod is fixedly connected with one side of the piston, one end of the second pull rod is slidably penetrated through one side of the needle cylinder and fixedly installed with the pull plate, one end of the second pull rod is fixedly installed with a magnet block, and the inner wall of the first sliding groove is provided with an iron sheet matched with the magnet block.
[0012] In the preferred technical scheme of the utility model, the second pull rod is fixedly installed with a sliding block in a symmetrical mode on the outer side, the inner wall of the first sliding groove is provided with a second sliding groove matched with the sliding block, the inner wall of the first sliding groove is further provided with a third sliding groove matched with the sliding block, and the third sliding groove is annularly arranged and communicated with the second sliding groove.
[0013] The utility model discloses a lymph node puncture sampling device, rotates the pull plate and drives the sliding block to move to the third sliding groove and removes the second sliding groove through the second pull rod, at this moment, presses the pull plate and drives the piston to move to the side close to the puncture needle through the extension rod, and drives the needle cylinder to move in the sleeve, and the needle cylinder moves and drives the puncture needle to move to the round hole and then comes out, and rotates the needle cylinder and drives the sliding rod to rotate to the other side in the sliding hole and then releases the hand, at this moment, the spring is fixed in position through the elastic force and the cooperation of the sliding rod and the sliding hole, after the puncture needle is inserted into the patient's body, the pull plate is pulled and drives the piston to move, and the extraction can be completed, after the extraction is completed, the needle cylinder is moved to the other side of the sliding hole after the sliding rod returns to the sliding hole, the spring drives the needle cylinder to move to the puncture needle and is stored in the sleeve, the device can store the puncture needle in the sleeve after the sampling is completed, the safety of the sample plate after puncture sampling is improved, and the harm to the staff caused by collision when taking is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0015] Figure 1 is a structural schematic view of a lymph node puncture sampling device provided by the embodiments of the present application;
[0016] Figure 2 is a sectional view of a sleeve provided by the embodiments of the present application;
[0017] Figure 3 is a sectional view of a needle cylinder provided by the embodiments of the present application;
[0018] Figure 4 is a structural schematic view of a telescopic rod provided by the embodiments of the present application.
[0019] In the figure: 110-sleeve; 111-support ring; 112-spring; 113-side plate; 120-needle cylinder; 121-puncture needle; 122-sliding rod; 123-sliding hole; 130-piston; 131-telescopic rod; 1311-first pull rod; 1312-second pull rod; 1313-sliding block; 132-pull plate. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] Please refer to Figure 1 and Figure 2The utility model provides technical scheme: a lymph node puncture sampling device, including sleeve 110 and needle cylinder 120, sleeve 110 one end sliding sleeve joint needle cylinder 120, needle cylinder 120 one end fixed mounting puncture needle 121, sleeve 110 one side is provided with the round hole matched with needle cylinder 120, the inner wall one side of sleeve 110 rotatable mounting support ring 111, support ring 111 one side fixed mounting spring 112, spring 112 one end is fixedly connected with needle cylinder 120 one end, needle cylinder 120 outside symmetry fixed mounting slide bar 122, sleeve 110 outside is provided with the slide hole 123 matched with two slide bars 122, and the slide hole 123 is J type setting, and slide bar 122 is slidably connected with the inner wall of slide hole 123, and needle cylinder 120 is installed with the extraction piece.
[0022] In some specific embodiments, the sleeve 110 outside symmetry fixed mounting side plate 113, the side plate 113 outside is arc setting, and the side plate 113 is relatively close to the one end of the round hole, which is convenient for hand holding the equipment during use.
[0023] In some specific embodiments, the support ring 111 outside fixed mounting limiting ring, the inner wall of sleeve 110 is provided with the limiting groove matched with the limiting ring, and the limiting ring is slidably connected with the inner wall of the limiting groove.
[0024] In some specific embodiments, the length of the sleeve 110 is greater than the length of the puncture needle 121, and the length of the needle cylinder 120 is greater than the length of the sleeve 110, and the length of the sleeve 110 is greater than the length of the puncture needle 121, which is convenient for the storage of the puncture needle 121.
[0025] Please refer to 3 and Figure 4 The extraction piece includes a piston 130, a telescopic rod 131 and a pull plate 132, the piston 130 is slidably installed in the inner wall of the needle cylinder 120, the piston 130 is fixedly installed at one end of the telescopic rod 131, the telescopic end of the telescopic rod 131 is slidably penetrated through one side of the needle cylinder 120 and fixedly installed with the pull plate 132, the maximum length of the telescopic rod 131 is greater than the length of the needle cylinder 120, the telescopic rod 131 includes a first pull rod 1311 and a second pull rod 1312, the first pull rod 1311 is provided with a first sliding groove at one end and slidably sleeved with the second pull rod 1312, the other end of the first pull rod 1311 is fixedly connected with one side of the piston 130, one end of the second pull rod 1312 is slidably penetrated through one side of the needle cylinder 120 and fixedly installed with the pull plate 132, one end of the second pull rod 1312 is fixedly installed with a magnet block, and the inner wall of the first sliding groove is provided with an iron sheet matched with the magnet block.
[0026] In some specific embodiments, the second pull rod 1312 is symmetrically fixed outside the sliding block 1313, the first sliding groove is internally provided with a second sliding groove matched with the sliding block 1313, and the first sliding groove is internally provided with a third sliding groove matched with the sliding block 1313, the third sliding groove is annularly arranged and communicated with the second sliding groove, the telescopic rod 131 is conveniently contracted and limited, use is facilitated, and practicality is improved.
[0027] Working principle: in use, the rotating pull plate 132 drives the sliding block 1313 to move into the third sliding groove and out of the second sliding groove through the second pull rod 1312, at this time, the pull plate 132 is pressed to drive the piston 130 to move to the side close to the puncture needle 121 through the telescopic rod 131, and the needle cylinder 120 is driven to move in the sleeve 110, the needle cylinder 120 is driven to move to the puncture needle 121 to be taken out from the circular hole, the needle cylinder 120 is rotated to drive the sliding rod 122 to rotate to the other side in the sliding hole 123, and then the hand is released, at this time, the puncture needle 121 is inserted into the patient's body, the pull plate 132 is pulled to drive the piston 130 to move, and the extraction is completed, after the extraction is completed, the needle cylinder 120 is adjusted to move to the other side of the sliding rod 122 to return to the sliding hole 123, and then the hand is released, the spring 112 drives the needle cylinder 120 to move to the puncture needle 121 to be stored in the sleeve 110.
[0028] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A lymph node puncture sampling device, characterized in that: It includes a sleeve and a syringe, one end of the sleeve is slidably sleeved on the syringe, one end of the syringe is fixedly installed with a puncture needle, one side of the sleeve is provided with a circular hole matching the syringe, one side of the inner wall of the sleeve is rotatably installed with a support ring, one side of the support ring is fixedly installed with a spring, one end of the spring is fixedly connected to one end of the syringe, a slide rod is symmetrically fixedly installed on the outside of the syringe, a slide hole matching the two slide rods is provided on the outside of the sleeve, the slide hole is J-shaped, and an extraction piece is installed in the syringe.
2. A lymph node puncture sampling device according to claim 1, characterized in that: The outer side of the sleeve is symmetrically fixed with side plates, and the outer side of the side plates is arranged in an arc shape.
3. A lymph node puncture sampling device according to claim 1, characterized in that: A limiting ring is fixedly mounted on the outer side of the support ring, a limiting groove matching the limiting ring is provided on the inner wall of the sleeve, and the limiting ring is slidably connected to the inner wall of the limiting groove.
4. A lymph node puncture sampling device according to claim 1, characterized in that: The sliding rod is slidably connected to the inner wall of the sliding hole.
5. The lymph node puncture sampling device according to claim 1, characterized in that: The length of the sleeve is greater than the length of the puncture needle, and the length of the syringe is greater than the length of the sleeve.
6. The lymph node puncture sampling device according to claim 1, characterized in that: The extraction member includes a piston, a telescopic rod and a pull plate. The piston is slidably mounted on the inner wall of the syringe. The telescopic rod is fixedly mounted on one end of the piston. The telescopic end of the telescopic rod slides through one side of the syringe and is fixedly mounted on the pull plate.
7. The lymph node puncture sampling device according to claim 6, characterized in that: The telescopic rod includes a first pull rod and a second pull rod. One end of the first pull rod is provided with a first sliding groove and is slidably connected to the second pull rod. The other end of the first pull rod is fixedly connected to one side of the piston. One end of the second pull rod slides through one side of the syringe and is fixedly installed on the pull plate.
8. The lymph node puncture sampling device according to claim 7, characterized in that: A slider is symmetrically fixed on the outside of the second pull rod, and a second slider matching the slider is provided on the inner wall of the first slider. A third slider matching the slider is also provided on the inner wall of the first slider. The third slider is annular and connected to the second slider.