Disposable multifunctional thoracic cavity puncture needle

By designing a multifunctional thoracentesis needle with a graduated puncture needle, a cross-shaped channel connector, and a piston-type control valve, the problems of unstable operation, difficulty in single-handed operation, and inconvenient connection in the existing technology have been solved, realizing safe and convenient thoracentesis operation.

CN223695965UActive Publication Date: 2025-12-23THE 945TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
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Patent Information

Application Number
CN202422774784.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-12-23
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing disposable thoracentesis needles lack a fixed point during operation, making the procedure laborious and prone to accidents. The puncture depth is difficult to determine, the rubber hose control valve is difficult to operate with one hand, easily creating negative pressure and leakage, and it is not easy to connect to the drainage bag interface, resulting in high resistance to drug injection.

Method used

A multifunctional puncture needle was designed, comprising a graduated puncture needle, a cross-shaped channel connector, a piston-type control valve, and an interface. It is made of stainless steel and high-performance fluoroplastic materials. The graduated markings facilitate depth judgment, the cross-shaped channel connector provides stable fixation, the piston-type control valve facilitates one-handed operation, the interface connects to a standard syringe, and the tail cap has an anti-slip design, enabling multifunctional use.

Benefits of technology

It improves the stability and safety of operation, reduces the occurrence of medical accidents, simplifies one-handed operation, reduces the risk of negative pressure and leakage, enhances the ease of connection with drainage bags, and reduces drug injection resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a disposable multifunctional thoracic cavity puncture needle which structurally comprises a mark scale puncture needle, a cross-shaped channel connecting body, a piston type control valve, a connector, a tail cap and a connector, the lower portion of the mark scale puncture needle is connected with the connector, the lower portion of the connector is connected with the cross-shaped channel connecting body, and the piston type control valve is connected with the connector. According to the disposable multifunctional thoracic cavity puncture needle, the marking scale needle head is arranged, an operator can conveniently recognize the depth, the marking scale needle head is in closed communication connection with the cross-shaped channel connecting body, and therefore the disposable multifunctional thoracic cavity puncture needle is convenient to use. The piston type control valve is in sealed butt joint with the cross-shaped channel connecting body, the piston type control valve can be easily operated and moved by one hand to achieve a channel opening and closing effect, a connector is standard and universal with a common syringe connector, and the problem that the connector cannot be universally connected with a standard spiral connector of a disposable drainage bag is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a disposable multifunctional thoracic puncture needle, belonging to the technical field of medical supplies. BACKGROUND

[0002] The disposable thoracic puncture needle used in the clinic at present has no force point and fixing point when a doctor operates by pinching the needle head, is labor-consuming, and most importantly, is prone to clinical accidents due to excessive force, and the depth of puncture is not easy to judge during the puncture process; the control valve provided on the rubber hose is a pressing type clamp, and single-handed operation is not easy to control; the rubber hose is too long and has large resistance, and is prone to form negative pressure, which is labor-consuming for suction; the disposable thoracic puncture needle cannot be connected to the interface of a disposable drainage bag; liquid leakage is prone to occur at the joint during the operation process, which may cause accidental infection of medical staff; and if thoracic drug injection is needed, the hose has large resistance and is not easy to inject. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a disposable multifunctional thoracic puncture needle to solve the problems of the prior art that the disposable thoracic puncture needle cannot be used for the doctor to pinch the needle head to perform puncture without force point and fixing point, is labor-consuming, is prone to clinical accidents due to excessive force, and the depth of puncture is not easy to judge during the puncture process; the control valve provided on the rubber hose is a pressing type clamp, and single-handed operation is not easy to control; the rubber hose is too long and has large resistance, and is prone to form negative pressure, which is labor-consuming for suction; the disposable thoracic puncture needle cannot be connected to the interface of a disposable drainage bag; liquid leakage is prone to occur at the joint during the operation process, which may cause accidental infection of medical staff; and if thoracic drug injection is needed, the hose has large resistance and is not easy to inject.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a disposable multifunctional thoracic puncture needle, comprising a mark scale puncture needle, a cross type channel connecting body, a piston type control valve, an interface, a tail cap and a connecting head, wherein the mark scale puncture needle is connected with the connecting head below, the connecting head is connected with the cross type channel connecting body below, the cross type channel connecting body is connected with the piston type control valve left, the cross type channel connecting body is provided with the interface at the lower end, and the interface is movably connected with the tail cap.

[0005] Further, the mark scale puncture needle is marked with a scale on the surface.

[0006] Further, the cross type channel connecting body is in the shape of a cross.

[0007] Further, the interface is provided with a spiral thread on the surface, and the tail cap is provided with a spiral thread corresponding to the spiral thread on the inner surface.

[0008] Further, the tail cap is provided with an anti-slip pattern on the surface.

[0009] Further, the marking scale needle is made of stainless steel.

[0010] Further, the cross-shaped channel connector is made of high-performance fluoroplastic.

[0011] The utility model discloses a disposable multifunctional thoracic puncture needle, which is provided with a marking scale needle, facilitating an operator to identify the depth, and the marking scale needle is in sealed communication with a cross-shaped channel connector, a piston type control valve is in sealed butt joint with the cross-shaped channel connector, the piston type control valve can be moved to form an on-off channel function by one-hand light operation, an interface is in standard and universal connection with a common syringe connector, and the problem of non-universal connection with a standard screw interface of a disposable drainage bag is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is a three-dimensional exploded structure schematic diagram of the utility model;

[0015] Figure 3 It is a right view schematic diagram of the utility model.

[0016] In the drawing: marking scale puncture needle - 1, cross-shaped channel connector - 2, piston type control valve - 3, interface - 4, tail cap - 5, connecting head - 6. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0018] Please refer to Figure 1 , Figure 2 and Figure 3The utility model provides a disposable multifunctional use thoracic cavity puncture needle, including identification scale puncture needle 1, cross type passageway connecting body 2, piston type control valve 3, interface 4, tail cap 5, connecting head 6, identification scale puncture needle 1 below is connected with connecting head 6, connecting head 6 below is connected with cross type passageway connecting body 2, cross type passageway connecting body 2 left side is connected with piston type control valve 3, cross type passageway connecting body 2 lower end is provided with interface 4, interface 4 is movably connected with tail cap 5, identification scale puncture needle 1 surface is identified with scale, cross type passageway connecting body 2 is cross shape, interface 4 surface is provided with helical line and tail cap 5 inner surface is provided with the helical line corresponding therewith, tail cap 5 surface is provided with antiskid line, identification scale needle head 1 is made of stainless steel, cross type passageway connecting body 2 is made of high performance fluorine plastic.

[0019] When the user wants to use the patent, hold cross type passageway connecting body 2 with hand, connecting head 6 stably fixes identification scale puncture needle 1 on cross type passageway connecting body 2, has very good force point, is easy to grasp intensity, puncture point is accurate, identification scale puncture needle 1 fixed position is not easy to swing, can quickly identify the depth of puncture needle into thoracic cavity tissue through identification scale puncture needle 1 identification scale, one -hand operation piston type control valve 3 switch, the tail portion is provided with interface 4 and connects tail cap 5, and the tail portion is tightly blocked, and it is convenient to suck multifunctional pleural effusion or inject medicine, need not the second assistant operation, will not happen multifunctional pleural fluid leakage, can connect standard interface disposable drainage bag simultaneously by using siphon principle, save time and effort, high efficiency can effectively reduce the incidence of patient's pain and the incidence of medical accidents, the utility model discloses low in cost, simple production is applicable to multifunctional thoracic puncture suction effusion, drainage or medicine injection, disposable use, safe and convenient operation.

[0020] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0021] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A disposable, multi-functional thoracentesis needle, characterized in that: It also comprises a scale-marked puncture needle (1), a cross-shaped channel connector (2), a piston-type control valve (3), an interface (4), a tail cap (5), a connecting head (6), the scale-marked puncture needle (1) is connected with the connecting head (6) below, the connecting head (6) is connected with the cross-shaped channel connector (2) below, the cross-shaped channel connector (2) is connected with the piston-type control valve (3) on the left, the cross-shaped channel connector (2) is provided with the interface (4) at the lower end, and the interface (4) is movably connected with the tail cap (5).

2. The disposable multi-purpose thoracostomy needle according to claim 1, wherein: The scale-marked puncture needle (1) is marked with a scale on the surface.

3. The disposable multi-purpose thoracostomy needle according to claim 1, wherein: The cross-shaped channel connector (2) is in the shape of a cross.

4. The disposable multi-purpose thoracostomy needle according to claim 1, wherein: The interface (4) is provided with a spiral thread on the surface, and the tail cap (5) is provided with a spiral thread corresponding to the spiral thread on the inner surface.

5. The disposable multi-purpose thoracostomy needle according to claim 1, wherein: The tail cap (5) is provided with an anti-skid pattern on the surface.