CN219289634U

CN219289634U - Waist puncture needle

Info

Publication number: CN219289634U
Application number: CN202320277181.7U
Authority: CN
Inventors: 滑欢; 张学军; 王福旭
Original assignee: Second Hospital of Hebei Medical University
Current assignee: Second Hospital of Hebei Medical University
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-07-04
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a lumbar puncture needle, which comprises an anti-slip mechanism, a fixing mechanism and an auxiliary stabilizing mechanism, wherein the anti-slip mechanism comprises a puncture needle tube, a push rod and a puncture needle head, the puncture needle tube is fixedly connected with a finger pressing plate, the finger pressing plate is fixedly connected with a first anti-slip rubber pad, the push rod is in sliding connection with the puncture needle tube, the push rod is fixedly connected with a second anti-slip rubber pad, and the puncture needle head is in connection with the puncture needle tube. The fixed top plate of the needle tube is pushed to clamp and fix the puncture needle tube by rotating the second fixed threaded rod, the stability of the clamping position of the puncture needle tube is improved by the fifth anti-skid rubber pad and the sixth anti-skid rubber pad, the puncture needle tube is convenient to fix stably for a long time, and stable sampling operation is convenient to conduct.

Description

Waist puncture needle

Technical Field

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

Background

Lumbar puncture is a diagnosis and treatment operation commonly used in the clinical practice of neurology, surgery and hematology, and can be used for measuring intracranial pressure, collecting cerebrospinal fluid samples for various laboratory tests, performing cerebrospinal fluid dynamic tests, injecting various contrast agents through lumbar puncture and the like so as to provide a basis for diagnosing diseases; can also drain the irritative cerebrospinal fluid through lumbar puncture, reduce intracranial pressure, inject certain medicines into the sheath, and the like, thereby providing a treatment means for diseases.

Traditional lumbar puncture needle simple structure, the frictional force is too little between medical personnel's finger abdomen and the needle body when using, takes place to slide easily, leads to the operation unstable, and the puncture needle of majority is in the puncture sampling process for a long time, causes medical personnel's arm to be excessively tired easily, leads to its operation unstable, influences the sample. Therefore, a lumbar puncture needle is proposed for the above-mentioned problems.

Disclosure of Invention

The lumbar puncture needle is provided in the embodiment, and is used for solving the problems that in the prior art, the traditional lumbar puncture needle is single in structure, the friction force between the finger abdomen of medical staff and a needle body is too small when the lumbar puncture needle is used, the sliding is easy to occur, the operation is unstable, and most puncture needles easily cause excessive fatigue of arms of the medical staff in a long-time puncture sampling process, the operation is unstable and the sampling is influenced.

According to one aspect of the utility model, there is provided a lumbar puncture needle, comprising an anti-slip mechanism, a fixing mechanism and an auxiliary stabilizing mechanism, wherein the anti-slip mechanism comprises a puncture needle tube, a push rod and a puncture needle head, the puncture needle tube is fixedly connected with a finger pressing plate, the finger pressing plate is fixedly connected with a first anti-slip rubber pad, the push rod is in sliding connection with the puncture needle tube, the push rod is fixedly connected with a second anti-slip rubber pad, and the puncture needle head is in connection with the puncture needle tube;

the fixing mechanism comprises a fixing U-shaped groove, the fixing U-shaped groove is in threaded connection with a first fixing threaded rod, and the first fixing threaded rod is in rotary connection with the clamping plate;

the auxiliary stabilizing mechanism comprises a fixed plate and a needle tube fixed top plate, the fixed plate is fixedly connected with the fixed U-shaped groove, the fixed plate is fixedly connected with a fixed rod, the fixed rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a needle tube fixed bottom plate, the needle tube fixed top plate is fixedly connected with a threaded connecting plate, and the second fixed threaded rod is in threaded connection with the threaded connecting plate.

Further, the finger clamp plate surface is provided with a plurality of anti-skidding rubber pads, a plurality of anti-skidding rubber pads No. one evenly distributed is on the push rod surface.

Further, the clamping plate is fixedly connected with the third anti-skid rubber pad, and the fixed U-shaped groove is fixedly connected with the fourth anti-skid rubber pad.

Further, two fixing rods are arranged on the surface of the fixing plate, and the two fixing rods are symmetrically distributed on the surface of the fixing plate.

Further, the needle tube fixing bottom plate is fixedly connected with the fifth anti-skid rubber pad, and the needle tube fixing top plate is fixedly connected with the sixth anti-skid rubber pad.

Further, two threaded connection plates are arranged on the surface of the needle tube fixing top plate, and the two threaded connection plates are symmetrically distributed on the surface of the needle tube fixing top plate.

Further, the connecting plate is fixedly connected with the connecting groove, the connecting groove is rotationally connected with the connector, and the connector is fixedly connected with the second fixed threaded rod.

Further, the fifth anti-slip rubber pad is tightly attached to the surface of the puncture needle tube, and the sixth anti-slip rubber pad is tightly attached to the surface of the puncture needle tube.

Further, the puncture needle tube is fixedly arranged on the surface of the connecting plate through a needle tube fixing top plate and a needle tube fixing bottom plate clamp.

According to the embodiment of the utility model, the friction force between the finger abdomen and the needle body of the medical staff is improved through the anti-slip mechanism, the operation stability is improved, the operation strength of the medical staff is reduced through the fixing mechanism and the auxiliary stabilizing mechanism, and the medical staff is prevented from being overstrain and unstable in operation.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a connecting slot according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a puncture needle tube according to an embodiment of the present utility model.

In the figure: 1. puncture needle tube; 2. a finger press plate; 3. a push rod; 4. a first anti-slip rubber pad; 5. a second anti-slip rubber pad; 6. a puncture needle; 7. fixing the U-shaped groove; 8. a clamping plate; 9. a third anti-skid rubber pad; 10. a first fixed threaded rod; 11. a fourth anti-skid rubber pad; 12. a fixing plate; 13. a fixed rod; 14. a connecting plate; 15. a needle tube fixing bottom plate; 16. a fifth anti-slip rubber pad; 17. a needle tube fixing top plate; 18. a sixth anti-slip rubber pad; 19. a second fixed threaded rod; 20. a threaded connection plate; 21. a connecting groove; 22. and (5) a connector.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-4, a lumbar puncture needle comprises an anti-slip mechanism, a fixing mechanism and an auxiliary stabilizing mechanism, wherein the anti-slip mechanism comprises a puncture needle tube 1, a push rod 3 and a puncture needle head 6, the puncture needle tube 1 is fixedly connected with a finger pressing plate 2, the finger pressing plate 2 is fixedly connected with a first anti-slip rubber pad 4, the push rod 3 is in sliding connection with the puncture needle tube 1, the push rod 3 is fixedly connected with a second anti-slip rubber pad 5, and the puncture needle head 6 is in connection with the puncture needle tube 1;

the fixing mechanism comprises a fixing U-shaped groove 7, the fixing U-shaped groove 7 is in threaded connection with a first fixing threaded rod 10, and the first fixing threaded rod 10 is in rotary connection with a clamping plate 8;

the auxiliary stabilizing mechanism comprises a fixing plate 12 and a needle tube fixing top plate 17, the fixing plate 12 is fixedly connected with the fixing U-shaped groove 7, the fixing plate 12 is fixedly connected with a fixing rod 13, the fixing rod 13 is fixedly connected with a connecting plate 14, the connecting plate 14 is fixedly connected with a needle tube fixing bottom plate 15, the needle tube fixing top plate 17 is fixedly connected with a threaded connecting plate 20, a second fixing threaded rod 19 is in threaded connection with the threaded connecting plate 20, the friction force between the finger abdomen of a medical staff and a needle body is improved through the anti-skid mechanism, the operation stability is improved, the operation strength of the medical staff is reduced through the fixing mechanism and the auxiliary stabilizing mechanism, and the excessive fatigue of the medical staff is avoided, so that the operation is unstable.

The finger clamp plate 2 is provided with a plurality of anti-skidding rubber pads 4 on the surface, a plurality of anti-skidding rubber pads 4 evenly distributed is on the surface of push rod 3, splint 8 and No. three anti-skidding rubber pads 9 fixed connection, fixed U-shaped groove 7 and No. four anti-skidding rubber pads 11 fixed connection, fixed plate 12 surface is provided with two dead levers 13, two dead lever 13 symmetric distribution is on the surface of fixed plate 12, needle tubing fixed bottom plate 15 and No. five anti-skidding rubber pads 16 fixed connection, needle tubing fixed top plate 17 and No. six anti-skidding rubber pads 18 fixed connection, needle tubing fixed top plate 17 surface is provided with two threaded connection plates 20, two threaded connection plates 20 symmetric distribution is on the surface of needle tubing fixed top plate 17, connecting plate 14 and connecting groove 21 fixed connection, connecting groove 21 and connector 22 rotate to be connected, connector 22 and No. two fixed threaded rod 19 fixed connection, no. five anti-skidding rubber pads 16 are closely laminated with the surface of needle tubing 1, no. six anti-skidding rubber pads 18 are closely laminated with the surface of puncture needle tubing 1, needle tubing fixed bottom plate 17 and needle tubing fixed connection plate 14 are tightly clamped at 14 surface through fixed bottom plate 17 and fixed top plate 15.

When the utility model is used, the fixed U-shaped groove 7 is spliced with an operation table plate, the clamping plate 8 is pushed by rotating the first fixed threaded rod 10 to clamp and fix the whole, the friction force at the clamping position is improved by the third and fourth anti-slip rubber pads 9 and 11, the whole is convenient to stably fix, the lumbar vertebra of a human body is penetrated by the puncture needle head 6, the splicing is carried out by the puncture needle tube 1 and the puncture needle head 6, the push rod 3 is pulled to complete the liquid sampling operation, the friction force during the finger and abdomen sampling is improved by the first and second anti-slip rubber pads 4 and 5, the stability during the sampling is improved, sometimes the lumbar vertebra puncture time is longer, the medical staff can be tired when holding the puncture needle tube 1 for a long time, the hand holding is unstable, the puncture needle tube 1 is firstly penetrated through the surfaces of the needle tube fixing bottom plate 15 and the needle tube fixing top plate 17 and is spliced with the puncture needle head 6 during the long time sampling, the puncture needle tube 1 is clamped and fixed by rotating the second fixed threaded rod 19, the stability at the clamping position of the puncture needle tube 1 is improved by the fifth and the sixth anti-slip rubber pad 18, the long-time stable sampling operation is convenient to stably fix the puncture needle tube 1.

The utility model has the advantages that:

1. the utility model has the anti-slip measure, the lumbar vertebra of the human body is punctured through the puncture needle, the puncture needle tube is inserted into the puncture needle, the push rod is pulled to complete the liquid pumping and sampling operation, the friction force during the finger-abdomen sampling is improved through the first anti-slip rubber pad and the second anti-slip rubber pad, and the stability during the sampling is improved;

2. the clamping device is reasonable in structure, the fixed U-shaped groove is spliced with the operating table plate, the clamping plate is pushed to clamp and fix the whole body by rotating the first fixed threaded rod, and the friction force at the clamping position is improved by the third anti-slip rubber pad and the fourth anti-slip rubber pad, so that the whole body is conveniently and stably fixed;

3. the utility model has the auxiliary measures that sometimes the time for lumbar puncture is longer, the medical staff can be tired when holding the puncture needle tube for a long time, the hand holding is unstable, when sampling for a long time, the puncture needle tube firstly penetrates through the surfaces of the needle tube fixing bottom plate and the needle tube fixing top plate and is spliced with the puncture needle head, the needle tube fixing top plate is pushed by the second fixed threaded rod to clamp and fix the puncture needle tube, the stability of the clamping position of the puncture needle tube is improved by the fifth anti-skid rubber pad and the sixth anti-skid rubber pad, the puncture needle tube is conveniently and stably fixed for a long time, and the stable sampling operation is conveniently carried out.

The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A lumbar puncture needle, characterized in that: the anti-skidding mechanism comprises a puncture needle tube (1), a push rod (3) and a puncture needle head (6), wherein the puncture needle tube (1) is fixedly connected with a finger pressing plate (2), the finger pressing plate (2) is fixedly connected with a first anti-skidding rubber pad (4), the push rod (3) is in sliding connection with the puncture needle tube (1), the push rod (3) is fixedly connected with a second anti-skidding rubber pad (5), and the puncture needle head (6) is connected with the puncture needle tube (1) in a plugging manner;

the fixing mechanism comprises a fixing U-shaped groove (7), the fixing U-shaped groove (7) is in threaded connection with a first fixing threaded rod (10), and the first fixing threaded rod (10) is in rotary connection with the clamping plate (8);

the auxiliary stabilizing mechanism comprises a fixing plate (12) and a needle tube fixing top plate (17), wherein the fixing plate (12) is fixedly connected with the fixing U-shaped groove (7), the fixing plate (12) is fixedly connected with a fixing rod (13), the fixing rod (13) is fixedly connected with a connecting plate (14), and the connecting plate (14) is fixedly connected with a needle tube fixing bottom plate (15).

2. A lumbar puncture needle according to claim 1, characterized in that: the finger clamp plate (2) surface is provided with a plurality of anti-skidding rubber pads (4), a plurality of anti-skidding rubber pads (4) evenly distributed are on the push rod (3) surface.

3. A lumbar puncture needle according to claim 1, characterized in that: the clamping plate (8) is fixedly connected with the third anti-skid rubber pad (9), and the fixed U-shaped groove (7) is fixedly connected with the fourth anti-skid rubber pad (11).

4. A lumbar puncture needle according to claim 1, characterized in that: two fixing rods (13) are arranged on the surface of the fixing plate (12), and the two fixing rods (13) are symmetrically distributed on the surface of the fixing plate (12).

5. A lumbar puncture needle according to claim 1, characterized in that: the needle tube fixing bottom plate (15) is fixedly connected with the fifth anti-slip rubber pad (16), and the needle tube fixing top plate (17) is fixedly connected with the sixth anti-slip rubber pad (18).

6. A lumbar puncture needle according to claim 1, characterized in that: the surface of the needle tube fixing top plate (17) is provided with two threaded connecting plates (20), and the two threaded connecting plates (20) are symmetrically distributed on the surface of the needle tube fixing top plate (17).

7. A lumbar puncture needle according to claim 1, characterized in that: the connecting plate (14) is fixedly connected with the connecting groove (21), the connecting groove (21) is rotationally connected with the connector (22), and the connector (22) is fixedly connected with the second fixed threaded rod (19).

8. A lumbar puncture needle according to claim 5, characterized in that: the fifth anti-slip rubber pad (16) is tightly attached to the surface of the puncture needle tube (1), and the sixth anti-slip rubber pad (18) is tightly attached to the surface of the puncture needle tube (1).

9. A lumbar puncture needle according to claim 1, characterized in that: the puncture needle tube (1) is clamped and fixed on the surface of the connecting plate (14) through a needle tube fixing top plate (17) and a needle tube fixing bottom plate (15).

10. A lumbar puncture needle according to claim 7, characterized in that: the needle tube fixing top plate (17) is fixedly connected with the threaded connecting plate (20), and the second fixing threaded rod (19) is in threaded connection with the threaded connecting plate (20).