Thoracic puncture needle with positioning function

Abstract

The utility model relates to the field of medical instruments, and discloses a thoracic puncture needle with a positioning function, which comprises a needle seat, the right part of the needle seat penetrates through and is fixedly connected with a needle tube, the left part of the outer wall of the needle tube is provided with a positioning mechanism, the right part of the positioning mechanism is provided with a sleeve, and the positioning mechanism comprises a mounting ring. The needle tube is movably connected with the mounting ring, the right side of the mounting ring is fixedly connected with a positioning tube, the positioning tube is movably connected with the needle tube, a positioning assembly is arranged on the left side of the mounting ring, a control sleeve is arranged on the left side of the mounting ring, the needle tube is movably connected with the control sleeve, and the positioning assembly comprises a plurality of elastic plates. According to the utility model, the positioning mechanism and the needle tube are matched with each other, and the mounting ring, the control sleeve, the positioning tube and the positioning assembly are matched with each other, so that the size of the control sleeve is larger, and the control sleeve is more convenient for medical staff to adjust and is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, especially to a thoracic puncture needle with positioning. BACKGROUND

[0002] "Thoracic" generally refers to a medical specialty related to chest diseases, especially involving the diagnosis and treatment of diseases of the respiratory system and cardiovascular system, the thoracic puncture needle with positioning is a medical device used for chest puncture operation, usually used for diagnosing or treating diseases in the thoracic cavity, its design aims to improve the accuracy and safety of puncture and reduce the risk of complications.

[0003] Through the retrieval, the patent of China announcement number: CN221814134U discloses a thoracic puncture needle with positioning, and particularly relates to the field of medical apparatus and instruments, including puncture needle, the outer wall of puncture needle is embedded with depth scale line, the outer wall of puncture needle is equipped with depth positioning assembly;The depth positioning assembly includes a limiting sleeve connecting block arranged on the outer wall of the puncture needle, a sleeve connecting ring and a rubber air bag are arranged on one side of the limiting sleeve connecting block from left to right at equal intervals, and a linkage sleeve connecting ring is arranged.The utility model sets up depth positioning assembly, the linkage sleeve connecting ring moves to the specified depth position for positioning according to the scale value of depth scale line, and the thoracic medical staff can know whether the linkage sleeve connecting ring is extruding the skin part of the patient according to the movement position of the linkage checking strip, so as to avoid that the extrusion of the linkage sleeve connecting ring on the skin position causes the change of puncture depth, accurately position the puncture depth of the puncture needle, and the puncture accuracy is better.

[0004] The above-mentioned device can position the puncture depth of the puncture needle by setting the depth positioning assembly, but since the diameter of the puncture needle is generally not particularly large, the size of the fixing screw and the rotating cap will be relatively small, and the medical staff needs to wear medical gloves when performing puncture to ensure the hygiene of operation, which makes the operation difficulty of the loose fixing screw when adjusting the position of the limiting sleeve connecting block is relatively large, and it is not practical, therefore, a thoracic puncture needle with positioning is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a thoracic puncture needle with positioning, which aims to improve the problem that the size of the fixing screw and the rotating cap in the prior art is small, and the medical staff needs to wear medical gloves when performing puncture to ensure the hygiene of operation, which makes the operation difficulty of the loose fixing screw when adjusting the position of the limiting sleeve connecting block is relatively large.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a chest puncture needle with positioning, including needle seat, the right part of needle seat is penetrated and is fixedly connected with needle tube, the left part of the outer wall of needle tube is provided with positioning mechanism, the right part of positioning mechanism is provided with sleeve, positioning mechanism includes mounting ring, needle tube is movably connected with mounting ring, the right side fixedly connected with positioning pipe of mounting ring, positioning pipe is movably connected with needle tube, the left side of mounting ring is provided with positioning assembly, the left side of mounting ring is provided with control sleeve, needle tube is movably connected with control sleeve, positioning assembly includes elastic plate and the number is plurality, the left end fixedly connected with positioning block of elastic plate, the side fixedly connected with positioning pad of positioning block close to needle tube.

[0007] As further description of the above technical scheme:

[0008] The positioning pad is of rubber material, and the side close to the needle tube of the positioning pad is provided with a convex pattern.

[0009] As further description of the above technical scheme:

[0010] The left side of the mounting ring is fixedly connected with a threaded sleeve, and the needle tube is slidably connected with the threaded sleeve.

[0011] As further description of the above technical scheme:

[0012] The right part of the control sleeve is provided with a connecting groove, and the threaded sleeve is threadedly connected with the connecting groove.

[0013] As further description of the above technical scheme:

[0014] The left side of the connecting groove is provided with a control groove, and the plurality of positioning blocks are movably connected with the control groove.

[0015] As further description of the above technical scheme:

[0016] The left part of the outer wall of the positioning pipe is fixedly connected with a positioning ring.

[0017] As further description of the above technical scheme:

[0018] The left part of the inner wall of the sleeve is fixedly connected with a connecting ring.

[0019] As further description of the above technical scheme:

[0020] The outer wall of the needle tube is provided with a plurality of scale lines.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a positioning mechanism and needle tube are set up through the mutual cooperation between, through the mutual cooperation between the installation ring, control cover, positioning pipe and positioning assembly, make control cover volume bigger, more convenient for the adjustment of medical staff, more use.

[0023] 2. The utility model discloses a positioning mechanism and needle tube are set up through the mutual cooperation between, through the mutual cooperation between the positioning ring and connecting ring, make the device when adjusting the position of positioning mechanism, can protect needle tube, prevent needle tube from being contaminated, more practical. ACCURACY OF DRAWINGS

[0024] Figure 1 It is a whole three -dimensional structure schematic diagram of chest puncture needle with positioning that the utility model proposes;

[0025] Figure 2 It is a sleeve three -dimensional structure schematic diagram of chest puncture needle with positioning that the utility model proposes;

[0026] Figure 3 It is A out enlarged three -dimensional structure schematic diagram of chest puncture needle with positioning that the utility model proposes;

[0027] Figure 4 It is the positioning mechanism section three -dimensional structure schematic diagram of chest puncture needle with positioning that the utility model proposes;

[0028] Figure 5 It is the positioning mechanism split three -dimensional structure schematic diagram of chest puncture needle with positioning that the utility model proposes.

[0029] LEGEND:

[0030] 1, needle holder;2, positioning mechanism;3, sleeve;4, needle tube;21, installation ring;22, control cover;23, positioning pipe;24, positioning assembly;241, elastic plate;242, positioning block;243, positioning pad;211, threaded sleeve;221, connecting groove;222, control groove;231, positioning ring;31, connecting ring;41, scale line. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] REFERENCE Figure 1 - Figure 3The utility model provides an embodiment: a kind of positioning thoracic puncture needle, including needle seat 1, it is used to cooperate the installation of puncture needle, needle seat 1 right part is fixedly connected with needle tube 4 and is penetrated, it is puncture needle, the outer wall of needle tube 4 is provided with scale line 41 and quantity is multiple, it is convenient to cooperate the adjustment of the position of positioning mechanism 2, to cooperate the puncture when thoracic treatment or examination is carried out, the positioning of needle tube 4 puncture depth, the outer wall left part of needle tube 4 is provided with positioning mechanism 2, it is used to cooperate the positioning of needle tube 4 puncture depth, the right part of positioning mechanism 2 is provided with sleeve 3, it is used to protect needle tube 4.

[0033] Further, the outer wall left part of positioning tube 23 is fixedly connected with positioning ring 231, it is used to cooperate the limit of sleeve 3, the inner wall left part of sleeve 3 is fixedly connected with connecting ring 31, it can produce certain degree of deformation, it is used to cooperate with positioning ring 231, to cooperate the limit of sleeve 3.

[0034] Please refer to Figure 4 - Figure 5 Positioning mechanism 2 includes mounting ring 21, it is used to cooperate with each component, while it is convenient to control the adjustment of sleeve 22, needle tube 4 is movably connected with mounting ring 21, the right side of mounting ring 21 is fixedly connected with positioning tube 23, it is used to after needle tube 4 puncture into patient's body, the puncture depth of needle tube 4 can be positioned, prevent puncture needle puncture too deep, positioning tube 23 is movably connected with needle tube 4, the left side of mounting ring 21 is provided with positioning assembly 24, it is used to cooperate the position fixation of positioning mechanism 2, the left side of mounting ring 21 is provided with control sleeve 22, it is used to control the opening and closing between multiple positioning blocks 242, needle tube 4 is movably connected with control sleeve 22.

[0035] Further, positioning assembly 24 includes multiple elastic plates 241, it is inclinedly arranged, it has certain deformation ability, when positioning block 242 loses restriction, multiple positioning blocks 242 can be driven to open, the left end of elastic plate 241 is fixedly connected with positioning block 242, multiple positioning blocks 242 can form the shape similar to circular truncated cone, the side close to needle tube 4 of positioning block 242 is fixedly connected with positioning pad 243, it is used to enhance the positioning stability of positioning assembly 24, positioning pad 243 is rubber material, the side close to needle tube 4 of positioning pad 243 is provided with convex grain, it is used to prevent slipping.

[0036] Further, the left side of mounting ring 21 is fixedly connected with threaded sleeve 211, it is used to cooperate the connection of control sleeve 22, needle tube 4 is slidably connected with threaded sleeve 211, the right part of control sleeve 22 is provided with connecting groove 221, threaded sleeve 211 is screw connected with connecting groove 221, the left side of connecting groove 221 is provided with control groove 222, its shape is circular truncated cone, multiple positioning blocks 242 are movably connected with it, it is used to control the opening and closing of multiple positioning blocks 242, to cooperate the movement and fixation of the position of positioning mechanism 2.

[0037] Working principle: in use, first according to the required depth of puncture, medical staff need to pinch the installation ring 21 with one hand, and rotate the control sleeve 22 with the other hand, so that the control sleeve 22 moves towards the needle holder 1, so that the plurality of positioning blocks 242 gradually lose the force exerted by the control groove 222, at this time the plurality of elastic plates 241 will drive the plurality of positioning blocks 242 to open, and the plurality of positioning blocks 242 will drive the positioning pad 243 to loosen the needle tube 4, at this time the position of the positioning mechanism 2 can be adjusted, according to the mark of the scale line 41 on the needle tube 4, after adjusting the positioning mechanism 2 to the appropriate position, the control sleeve 22 can be rotated in the opposite direction, so that the control sleeve 22 moves to the right, so that the plurality of positioning blocks 242 shrink inwardly under the guidance of the control groove 222 in the control sleeve 22, so that the plurality of positioning blocks 242 fix the position of the positioning mechanism 2 on the needle tube 4 through the positioning pad 243, then the medical staff can pinch the needle holder 1 with one hand and the sleeve 3 with the other hand, and pull the needle holder 1 and the sleeve 3 in opposite directions respectively, so that the sleeve 3 can be removed, and the needle tube 4 is exposed for puncture operation.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A chest puncture needle with positioning comprising a needle holder (1), characterized in that: The right part of the needle seat (1) is penetrated and fixedly connected with a needle tube (4), the outer wall left part of the needle tube (4) is provided with a positioning mechanism (2), the right part of the positioning mechanism (2) is provided with a sleeve (3), the positioning mechanism (2) comprises a mounting ring (21), the needle tube (4) is movably connected with the mounting ring (21), the right side of the mounting ring (21) is fixedly connected with a positioning tube (23), the positioning tube (23) is movably connected with the needle tube (4), the left side of the mounting ring (21) is provided with a positioning assembly (24), the left side of the mounting ring (21) is provided with a control sleeve (22), the needle tube (4) is movably connected with the control sleeve (22), the positioning assembly (24) comprises a plurality of elastic plates (241), the left end of the elastic plate (241) is fixedly connected with a positioning block (242), the side, close to the needle tube (4), of the positioning block (242) is fixedly connected with a positioning pad (243).

2. A chest puncture needle with positioning according to claim 1, characterized in that: The positioning pad (243) is made of rubber material, and the side, close to the needle tube (4), of the positioning pad (243) is provided with a convex grain.

3. A chest puncture needle with positioning according to claim 1, characterized in that: The left side of the mounting ring (21) is fixedly connected with a threaded sleeve (211), and the needle tube (4) is slidably connected with the threaded sleeve (211).

4. A chest puncture needle with positioning according to claim 3, characterized in that: The right part of the control sleeve (22) is provided with a connecting groove (221), and the threaded sleeve (211) is screwedly connected with the connecting groove (221).

5. A chest puncture needle with positioning according to claim 4, characterized in that: The left side of the connecting groove (221) is provided with a control groove (222), and a plurality of positioning blocks (242) are movably connected with the control groove (222).

6. A chest puncture needle with positioning according to claim 1, characterized in that: The left part of the outer wall of the positioning tube (23) is fixedly connected with a positioning ring (231).

7. A chest puncture needle with positioning according to claim 1, characterized in that: The left part of the inner wall of the sleeve (3) is fixedly connected with a connecting ring (31).

8. The chest puncture needle with positioning according to claim 1, characterized in that: The outer wall of the needle tube (4) is provided with a plurality of scale lines (41).

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