CN219070571U

CN219070571U - Multipurpose lumbar pool drainage puncture needle

Info

Publication number: CN219070571U
Application number: CN202223375183.4U
Authority: CN
Inventors: 邱光庭; 毛媛雯; 蒋成昊; 廖环; 陈进
Original assignee: Shanghai Fourth People's Hospital
Current assignee: Shanghai Fourth People's Hospital
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-26
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a multipurpose lumbar pool drainage puncture needle, which comprises: a puncture needle body; the assembling mechanism is arranged at one end of the puncture needle body and is used for controlling the shrinking amplitude of the assembling head; the sealing mechanism is fixedly arranged in the puncture needle body and is used for sealing the connecting end of the puncture needle tube and the puncture needle body in the assembly mechanism. According to the utility model, medical staff can choose to disassemble and assemble the puncture needle tube according to different purposes, when the puncture needle tube and the puncture needle body are fixed together, the puncture needle body and the puncture needle tube can be used as a guide tube, so that medical equipment can be conveniently inserted into a patient from the puncture needle tube, the function of multiple purposes is achieved, air in the air storage bag is extruded into the expansion air bag ring, the expansion air bag ring is rapidly expanded, and the expansion air bag ring is rapidly expanded after the puncture needle tube is inserted into the arc plate.

Description

Multipurpose lumbar pool drainage puncture needle

Technical Field

The utility model relates to the technical field of puncture needles, in particular to a multipurpose lumbar drainage puncture needle.

Background

The continuous lumbar puncture drainage (LCFD) is to use a lumbar puncture method to insert a drainage tube into the subarachnoid space of the vertebral canal to drain cerebrospinal fluid, has the advantages of small trauma, controllable drainage speed, avoidance of repeated lumbar puncture pain and the like, and can drain cerebrospinal fluid, reduce intracranial pressure and inject medicine intrathecally. The application of continuous drainage of lumbar cisterna in neurosurgery is widely applied in the present, and with the progress of science, intensive researches are carried out on the application of continuous drainage of lumbar cisterna in various aspects of neurosurgery.

When using the lumbar cistern drainage pjncture needle, at first need insert the pjncture needle in, block up to the pjncture needle through interior, later medical personnel is accurate inserts the patient in the lumbar cistern drainage pjncture needle, then medical personnel pulls out the internal needle, the internal liquid of patient flows through the pjncture needle, but when the liquid of drainage flows out from the pjncture needle mouth, circular pjncture needle mouth is when the liquid flows out, inconvenient test tube receives drainage liquid, easily flows the outside of test tube, probably drips outside the test tube, for this reason, we propose a multipurpose lumbar cistern drainage pjncture needle.

Disclosure of Invention

The utility model aims to provide a multipurpose lumbar drainage puncture needle so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multipurpose lumbar drainage puncture needle comprising: a puncture needle body;

the assembling mechanism is arranged at one end of the puncture needle body and is used for controlling the shrinking amplitude of the assembling head;

the sealing mechanism is fixedly arranged in the puncture needle body and is used for sealing the connecting end of the puncture needle tube and the puncture needle body in the assembly mechanism.

Preferably, the top of the puncture needle body is provided with an integrated fixed assembly head, and the diameter size of the assembly head is gradually increased from top to bottom.

Preferably, the assembly mechanism comprises a threaded sleeve provided with internal threads, and an integrally fixed tightening ring is arranged above the internal threads in the threaded sleeve.

Preferably, the annular sealing ring is fixedly arranged on the inner wall of the top opening of the threaded sleeve, and the diameter of the top opening of the threaded sleeve is smaller than that of the bottom of the threaded sleeve.

Preferably, the puncture needle tube with the size matched with that of the sealing ring is penetrated in the sealing ring, and the needle point structure of the puncture needle tube is an arc bevel structure.

Preferably, the sealing mechanism comprises an arc-shaped plate, the middle part of the inner wall of the arc-shaped plate is fixedly provided with an extrusion plate, and the bottom edge of the extrusion plate is provided with a limiting edge of the outwards-turned structure.

Preferably, the bottom of the inner wall of the arc plate is fixedly provided with an air storage bag, and air is stored in the air storage bag.

Preferably, the upper part of the inner wall of the arc-shaped plate is fixedly provided with an expansion air bag ring.

The utility model has at least the following beneficial effects:

1. according to the utility model, medical staff can choose to disassemble and assemble the puncture needle tube according to different purposes through the assembling mechanism, when the puncture needle tube and the puncture needle body are fixed together, the puncture needle tube can be used for puncturing and injecting liquid medicine, and the puncture needle body and the puncture needle tube can be used as a guide tube, so that medical equipment can be conveniently inserted into a patient from the puncture needle tube, and the utility model plays a role in multiple purposes.

2. According to the utility model, the air in the air storage bag is extruded into the expansion air bag ring, so that the expansion air bag ring is rapidly expanded, and the expansion air bag ring is rapidly expanded after the puncture needle tube is inserted into the arc-shaped plate, so that the connection surface of the puncture needle tube and the arc-shaped plate is sealed through the rapid expansion of the expansion air bag ring, and the tightness of the puncture needle tube and the puncture needle body after the puncture needle tube and the puncture needle body are assembled is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an assembly head according to the present utility model;

FIG. 3 is a schematic view of a threaded sleeve according to the present utility model;

FIG. 4 is a schematic view of a pinch plate structure of the present utility model;

fig. 5 is an enlarged schematic view at a in fig. 4.

In the figure: 1. a puncture needle body; 11. assembling the head; 12. a tightening plate; 2. an assembly mechanism; 21. puncture needle tube; 22. a threaded sleeve; 23. a seal ring; 24. a shrink ring; 3. a sealing mechanism; 31. an arc-shaped plate; 32. expanding the balloon ring; 33. an extrusion plate; 34. limit edges; 35. and (5) an air storage bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: in one embodiment, a multipurpose lumbar drainage puncture needle comprises: a puncture needle body 1;

an assembling mechanism 2, wherein the assembling mechanism 2 is arranged at one end of the puncture needle body 1, and the assembling mechanism 2 is used for controlling the shrinking amplitude of the assembling head 11;

the sealing mechanism 3, sealing mechanism 3 is fixed to be set up in the inside of pjncture needle body 1, sealing mechanism 3 is arranged in sealed equipment mechanism 2 puncture needle tube 21 and the link of pjncture needle body 1, first of all, can be according to the difference of usage through equipment mechanism 2 medical personnel, select to dismantle and assemble puncture needle tube 21, when fixed pjncture needle tube 21 and pjncture needle body 1 together, can puncture and inject the liquid medicine, and can also use pjncture needle body 1 and pjncture needle tube 21 as the pipe, thereby make things convenient for medical equipment to insert into the patient from pjncture needle tube 21, with this effect that plays the multiple usage, can make pjncture needle body 1 and the link of pjncture needle tube 21 more sealed through sealing mechanism 3 simultaneously, with this security of guaranteeing when the lumbar cistern puncture.

The top of the puncture needle body 1 is provided with an integrated fixed assembly head 11, the diameter size of the assembly head 11 gradually increases from top to bottom, after the puncture needle tube 21 is inserted into the assembly head 11 from the threaded sleeve 22, the puncture needle tube 21 can be tightly pressed inside the assembly head 11 through the gradual rotation of the assembly mechanism 2, and the assembly head 11 divided into four petals can fix the puncture needle tube 21, so that the stability of the assembly of the puncture needle tube 21 and the puncture needle body 1 is ensured.

The assembly mechanism 2 comprises a threaded sleeve 22 provided with internal threads, an integrally fixed tightening ring 24 is arranged above the internal threads in the threaded sleeve 22, a circular ring type sealing ring 23 is fixedly arranged on the inner wall of a top opening of the threaded sleeve 22, the diameter of the top opening of the threaded sleeve is smaller than that of the bottom of the threaded sleeve, when the puncture needle tube 21 is inserted into the assembly head 11 from the threaded sleeve 22, the threaded sleeve 22 and the tightening ring 24 can be slowly moved downwards along with the rotation of the threaded sleeve 22 through the threaded connection of the threaded sleeve 22 and the outer wall of the assembly head 11, and meanwhile, the four-petal assembly head 11 can be gradually tightened after the tightening ring 24 moves downwards, so that the puncture needle tube 21 can be fixed.

The puncture needle tube 21 with the size matched with that of the sealing ring 23 is penetrated in the sealing ring 23, the needle tip structure of the puncture needle tube 21 is of an arc bevel structure, when the puncture needle tube 21 and the puncture needle body 1 are assembled and disassembled, the puncture needle tube 21 is protected by the sealing ring 23, and blood, liquid medicine, disinfectant and the like are prevented from penetrating into the assembling mechanism 2 along the puncture needle tube 21.

According to the above embodiment, in the second embodiment, the sealing mechanism 3 includes the arc plate 31, the extrusion plate 33 is fixedly disposed in the middle of the inner wall of the arc plate 31, the limit edge 34 of the outward turned structure is disposed at the bottom edge of the extrusion plate 33, when the puncture needle tube 21 is assembled, the bottom of the puncture needle tube 21 and the extrusion plate 33 can be tightly attached together after the bottom of the puncture needle tube 21 is inserted into the assembling head 11, and when the extrusion plate 33 receives the downward pressure of the puncture needle tube 21, the extrusion plate 33 can be rotated down, and meanwhile, the puncture needle tube 21 slides into the limit edge 34, and the puncture needle tube 21 is limited by the limit edge 34.

According to the third embodiment, the air storage bag 35 is fixedly arranged at the bottom of the inner wall of the arc plate 31, air is stored in the air storage bag 35, the expansion air bag ring 32 is fixedly arranged at the upper part of the inner wall of the arc plate 31, the air storage bag 35 and the expansion air bag ring 32 are mutually communicated through a pipeline, the air storage bag 35 can be extruded into the expansion air bag ring 32 through the extrusion plate 33 through the downward rotation of the extrusion plate 33, the air in the air storage bag 35 is extruded into the expansion air bag ring 32, so that the expansion air bag ring 32 is rapidly expanded, the expansion air bag ring 32 is rapidly expanded after the puncture needle tube 21 is inserted into the arc plate 31, the connecting surface of the puncture needle tube 21 and the arc plate 31 is sealed through the rapid expansion of the expansion air bag ring 32, and the tightness after the puncture needle tube 21 and the puncture needle body 1 are assembled is ensured.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multipurpose lumbar cell drainage puncture needle is characterized in that: comprising the following steps:

a puncture needle body (1);

an assembling mechanism (2), wherein the assembling mechanism (2) is arranged at one end of the puncture needle body (1), and the assembling mechanism (2) is used for controlling the shrinking amplitude of the assembling head (11);

the sealing mechanism (3), the inside at pjncture needle body (1) is fixed to sealing mechanism (3), sealing mechanism (3) are arranged in sealed equipment mechanism (2) puncture needle tube (21) and pjncture needle body (1) link.

2. The multipurpose lumbar drainage puncture needle according to claim 1, wherein: the top of the puncture needle body (1) is provided with an integrated fixed assembly head (11), and the diameter size of the assembly head (11) is gradually increased from top to bottom.

3. The multipurpose lumbar drainage puncture needle according to claim 1, wherein: the assembling mechanism (2) comprises a threaded sleeve (22) provided with internal threads, and an integrally fixed tightening ring (24) is arranged above the internal threads in the threaded sleeve (22).

4. A multipurpose lumbar drainage puncture needle according to claim 3, characterized in that: the inner wall of the top opening of the threaded sleeve (22) is fixedly provided with a ring-shaped sealing ring (23), and the diameter of the top opening of the threaded sleeve is smaller than that of the bottom of the threaded sleeve.

5. The multipurpose lumbar drainage puncture needle according to claim 4, wherein: puncture needle tube (21) with the size matched with that of sealing ring (23) is penetrated in the sealing ring (23), and the needle point structure of puncture needle tube (21) is arc bevel connection structure.

6. The multipurpose lumbar drainage puncture needle according to claim 1, wherein: the sealing mechanism (3) comprises an arc-shaped plate (31), an extrusion plate (33) is fixedly arranged in the middle of the inner wall of the arc-shaped plate (31), and a limiting edge (34) of an outwards-turned structure is arranged at the bottom edge of the extrusion plate (33).

7. The multipurpose lumbar drainage puncture needle according to claim 6, wherein: an air storage bag (35) is fixedly arranged at the bottom of the inner wall of the arc-shaped plate (31), and air is stored in the air storage bag (35).

8. The multipurpose lumbar drainage puncture needle according to claim 6, wherein: an inflatable airbag ring (32) is fixedly arranged on the upper part of the inner wall of the arc-shaped plate (31).