Adjustable drainage puncture needle connector

Abstract

The utility model discloses an adjustable drainage puncture needle joint, which relates to the technical field of puncture needles, and comprises a connector, a puncture needle and a drainage bag joint, one end of the connector is inserted with the puncture needle, the other end of the connector is provided with a slot, the inner side wall of the slot is provided with a limiting mechanism, and the connector is movably connected with the drainage bag joint through the limiting mechanism; according to the utility model, the drainage bag can be quickly mounted and dismounted, the mounting and dismounting operations are simple and convenient, the time is saved, the complexity of medical operation is also reduced, the limiting strength can be adjusted according to the actual use scene, and the situation that the drainage bag is separated from the connector is avoided, so that the safety of a patient is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to puncture needle technical field, specifically adjustable drainage puncture needle joint. BACKGROUND

[0002] Drainage puncture needle is widely used in liquid drainage in medical practice, especially plays an important role in treating peritoneal effusion, pleural effusion and abscess etc. The traditional drainage puncture needle structure is relatively simple, usually consists of needle tube and fixed joint, this design although has basically met the demand in actual use, but still has some shortcomings. The chest and abdominal puncture needle available in clinic is usually two kinds, one is the rubber tube puncture needle provided in the conventional puncture bag for repeated use, and the other is disposable puncture needle. The rubber tube aperture of the former is usually difficult to match with the injector nipple or drainage bag joint, even if matching, the injector and drainage bag cannot be connected at the same time, which brings many inconveniences to clinical actual operation, the latter is disposable puncture needle in various modified forms, the joint has single tube cap, double tube cap and three-way tube cap etc. forms, the interface of this multi-tube cap form is beneficial to connecting the injector and the drainage bag with tube cap type interface, but the disadvantage is that after being connected with the inlet end of the drainage bag, a certain limit is lacked, since the drainage bag is hung around the patient for a long time, in the case that the medical environment is relatively complex, the drainage bag and the connecting head may be separated.

[0003] Therefore, the technical personnel in the art provide an adjustable drainage puncture needle joint to solve the problem that the drainage bag and the connecting head may be separated due to the drainage bag being hung around the patient for a long time in the case that the medical environment is relatively complex. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing an adjustable drainage puncture needle joint to solve the problem that the drainage bag and the connecting head may be separated due to the drainage bag being hung around the patient for a long time in the case that the medical environment is relatively complex.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An adjustable drainage puncture needle joint, including connecting head, puncture needle and drainage bag joint, the one end of connecting head is inserted with puncture needle, the other end of connecting head is equipped with the slot, the inner side wall of slot is provided with the limiting mechanism, and the connecting head is movably connected with the drainage bag joint through the limiting mechanism.

[0007] As a further scheme of the utility model: the limiting mechanism includes embedding groove, limiting groove, limiting block, semicircle ball and return spring, the inner side wall of slot is equipped with embedding groove, the inner side wall of embedding groove is fixedly connected with return spring, and one end of return spring is fixedly connected with semicircle ball.

[0008] As a further scheme of the utility model: the drainage bag connector side wall is provided with an arc groove, and the semicircular clamping ball is matched with the arc groove.

[0009] As a further scheme of the utility model: the embedded groove inner side wall is provided with a limiting groove, the limiting groove inner side wall is slidably connected with a limiting block, and the limiting block side wall is fixedly connected with the semicircular clamping ball side wall.

[0010] As a further scheme of the utility model: the connecting head surface is embedded with a threaded sleeve, and the threaded sleeve inner side is threadedly connected with a bolt rod.

[0011] As a further scheme of the utility model: the bolt rod top end is fixedly connected with a knob, and the bolt rod bottom end extends into the reset spring.

[0012] As a further scheme of the utility model: the bolt rod top end is fixedly connected with a knob, and the bolt rod bottom end extends into the reset spring.

[0013] As a further scheme of the utility model: the bolt rod bottom end is fixedly connected with a rubber abutting head, and the rubber abutting head is abutted with the semicircular clamping ball side wall.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. When connecting the drainage bag, the drainage bag connector is inserted into the insertion slot, the semicircular clamping ball is extruded and moved, the semicircular clamping ball is moved to compress the reset spring, so that the reset spring is in a compressed state, when the insertion rod is completely immersed in the insertion slot, the arc groove is matched with the semicircular clamping ball, the reset spring loses pressure and returns to the initial state, one end of the reset spring moves to drive the semicircular clamping ball to move, the semicircular clamping ball moves to immerse in the arc groove, that is, the drainage bag connection is completed, the drainage bag can be quickly installed and disassembled, the installation and disassembly operation is simple and convenient, not only saves time, but also reduces the complexity of medical operation, the knob can be rotated to drive the bolt rod to rotate, the bolt rod rotates to move in the threaded sleeve, the bolt rod moves to drive the rubber abutting head to move, the rubber abutting head moves to abut the semicircular clamping ball, the semicircular clamping ball is abutted, the limiting strength can be adjusted according to the actual use scene, the drainage bag and the connecting head are prevented from being separated, thereby improving the safety of patients, the application has superior adjustability, safety and operation convenience, through the design of the limiting mechanism, the limiting strength of the connector can be flexibly adjusted to adapt to different patient needs, ensure stable and reliable use process, reduce the risk of medical accidents, at the same time, the threaded sleeve and the bolt rod are designed to facilitate quick connection and disassembly, improve the doctor operation efficiency, and the reasonable design of each part facilitates maintenance and cleaning, ensures the hygiene of medical equipment. These advantages make the application have good applicability and prospect in practical application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a schematic view of a structure of an adjustable drainage puncture needle connector.

[0017] Figure 2 Fig. 2 is a schematic view of an internal structure of a slot in the adjustable drainage puncture needle connector.

[0018] Figure 3 Fig. 3 is a schematic view of the adjustable drainage puncture needle connector. Figure 2 Fig. 4 is an enlarged view of A in the adjustable drainage puncture needle connector.

[0019] In the figure: 1, connector; 2, puncture needle; 3, slot; 4, drainage bag connector; 5, arc slot; 6, embedded slot; 7, limiting slot; 8, limiting block; 9, semicircular ball; 10, return spring; 11, threaded sleeve; 12, bolt rod; 13, rubber abutting connector; 14, knob. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part 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] Embodiment 1

[0022] Reference Figures 1-3The embodiment provides an adjustable drainage puncture needle joint, which comprises a connecting head 1, a puncture needle 2 and a drainage bag joint 4, the puncture needle 2 is inserted into one end of the connecting head 1, a plug groove 3 is formed in the other end of the connecting head 1, a limiting mechanism is arranged on the inner side wall of the plug groove 3, the drainage bag joint 4 is movably connected to the connecting head 1 through the limiting mechanism, the limiting mechanism comprises an embedding groove 6, a limiting groove 7, a limiting block 8, a semicircular clamping ball 9 and a reset spring 10, the embedding groove 6 is formed in the inner side wall of the plug groove 3, the reset spring 10 is fixedly connected to the inner side wall of the embedding groove 6, one end of the reset spring 10 is fixedly connected to the semicircular clamping ball 9, an arc groove 5 is formed in the side wall of the drainage bag joint 4, the semicircular clamping ball 9 is matched with the arc groove 5, the limiting groove 7 is formed in the inner side wall of the embedding groove 6, the limiting block 8 is slidably connected to the inner side wall of the limiting groove 7, the side wall of the limiting block 8 is fixedly connected to the side wall of the semicircular clamping ball 9, a threaded sleeve 11 is embedded on the surface of the connecting head 1, a bolt rod 12 is threadedly connected to the inner side of the threaded sleeve 11, a knob 14 is fixedly connected to the top end of the bolt rod 12, the bottom end of the bolt rod 12 extends into the reset spring 10, a rubber abutting head 13 is fixedly connected to the bottom end of the bolt rod 12, and the rubber abutting head 13 abuts against the side wall of the semicircular clamping ball 9; when the drainage bag is connected, the drainage bag joint 4 is inserted into the plug groove 3, the semicircular clamping ball 9 is extruded and moved, the semicircular clamping ball 9 moves and compresses the reset spring 10, so that the reset spring 10 is in a compressed state, when the plug rod is completely immersed in the plug groove 3, the arc groove 5 is matched with the semicircular clamping ball 9, the reset spring 10 returns to the initial state and loses pressure, one end of the reset spring 10 moves and drives the semicircular clamping ball 9 to move, the semicircular clamping ball 9 moves and is immersed in the arc groove 5, and the connection of the drainage bag is completed; the drainage bag can be quickly installed and dismounted, the installation and dismounting operation is simple and convenient, time is saved, and the complexity of medical operation is reduced; the knob 14 can be rotated to drive the bolt rod 12 to rotate, the bolt rod 12 spirally moves in the threaded sleeve 11, the bolt rod 12 moves to drive the rubber abutting head 13 to move, the rubber abutting head 13 moves to abut against the semicircular clamping ball 9, the semicircular clamping ball 9 is abutted, the limiting strength can be adjusted according to the actual use scene, the drainage bag is prevented from being separated from the connecting head 1, and the safety of patients is improved.

[0023] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than that of the above description, and it is intended to be encompassed within the present application all changes which come within the meaning and range of equivalency of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0024] 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. An adjustable drainage puncture needle connector, characterized in that, The utility model relates to a connecting head (1), puncture needle (2) and drainage bag connector (4) are included, the puncture needle (2) is inserted to one end of connecting head (1), and the other end of connecting head (1) is provided with the slot (3), the inner side wall of slot (3) is provided with the limiting mechanism, and the drainage bag connector (4) is movably connected to connecting head (1) through the limiting mechanism.

2. An adjustable drainage needle hub according to claim 1, wherein, The limiting mechanism includes embedding groove (6), limiting groove (7), limiting block (8), semicircle ball (9) and return spring (10), the inner side wall of slot (3) is provided with embedding groove (6), the inner side wall of embedding groove (6) is fixedly connected with return spring (10), one end of return spring (10) is fixedly connected with semicircle ball (9).

3. An adjustable drainage needle hub according to claim 1, wherein, The side wall of drainage bag connector (4) is provided with arc groove (5), and semicircle ball (9) is matched with arc groove (5).

4. An adjustable drainage needle hub according to claim 2, wherein, The inner side wall of embedding groove (6) is provided with limiting groove (7), the inner side wall of limiting groove (7) is slidably connected with limiting block (8), and the side wall of limiting block (8) is fixedly connected with the side wall of semicircle ball (9).

5. An adjustable drainage needle hub according to claim 1, wherein, The surface of connecting head (1) is embeddedly connected with threaded sleeve (11), and the inner side of threaded sleeve (11) is screwedly connected with bolt rod (12).

6. An adjustable drainage needle hub according to claim 5, wherein, The top of bolt rod (12) is fixedly connected with knob (14).

7. An adjustable drainage needle hub according to claim 5, wherein, The bottom of bolt rod (12) extends into return spring (10).

8. An adjustable drainage needle hub according to claim 5, wherein, The bottom of bolt rod (12) is fixedly connected with rubber abutting head (13), and rubber abutting head (13) abuts against the side wall of semicircle ball (9).

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