Sleeve type lumbar puncture needle and use method thereof

A lumbar puncture and sleeve-type technology, applied in the direction of puncture needle, trocar, application, etc., can solve life-threatening, inaccurate pressure measurement, cerebrospinal fluid ejection and other problems, and achieve long service life, precise control and precise adjustment Effect

Inactive Publication Date: 2016-04-20
韩功篑
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above lumbar puncture needle has a simple structure, it also has the following disadvantages: In order to judge whether the needle is inserted into the spinal canal, the needle core needs to be pulled out from the cavity of the needle to observe whether the cerebrospinal fluid flows out from the cavity of the needle. Insert the needle core into the needle cavity of the needle, and then perform the puncture operation again. Therefore, the puncture needle lacks the intuitive visibility to observe whether the cerebrospinal fluid flows out, and the needle core is continuously inserted and pulled out, which prolongs the puncture operation time. It is relatively troublesome to reinser

Method used

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  • Sleeve type lumbar puncture needle and use method thereof
  • Sleeve type lumbar puncture needle and use method thereof
  • Sleeve type lumbar puncture needle and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A sleeve-type lumbar puncture needle, comprising a cylindrical needle 1 with an inner cavity, a handle 2 with a through-tube cavity 201, and a trocar 3. One end of the needle 1 has a sharp head 101, and the other end Opening, the opening communicates with the hollow sleeve 102 provided inside the needle head 1, the needle head 1 is provided with a first liquid outlet hole 103 and a second liquid outlet hole 104 at one end close to the head, wherein the first liquid outlet hole The liquid outlet hole 103 and the second liquid outlet hole 104 are symmetrically arranged on the same cross-section along the needle head 1 and have the same size. The central angles of the first liquid outlet hole 103 and the second liquid outlet hole 104 are both 30°, which 1. The width in the axial direction is 4 mm. The handle 2 is made of transparent plastic material. The through-pipe cavity 201 includes a connecting cavity 202, a transition cavity 203, a limiting cavity 204, a functional ca...

Embodiment 2

[0050] Except that the outer wall of the multifunctional ledge 212 can be connected with a liquid medicine injection device in addition to the pressure measuring device, and the medicine liquid injection device is connected with the multifunctional ledge 212 through a rubber sealing device, the rest is the same as that of the first embodiment.

[0051] Method of use When it is necessary to use a syringe to inject medicine, it is necessary to push the back seat 313 into the liquid stop groove 214 in advance, insert the nipple at the front end of the syringe cylinder into the multifunctional protrusion 212, seal it with a rubber sealing strip, and then pull out the back seat 313 to use it. It enters the liquid discharge tank 215, rotates the rear seat 213, and opens between the third liquid inlet 314 and the first liquid outlet 103 or between the first liquid inlet 303 and the second liquid inlet 304 and the first liquid outlet respectively as required. The channel between the ho...

Embodiment 3

[0053] The rest is the same as that of Embodiment 2 except that the liquid-taking platform 213 is provided with a liquid-taking device.

[0054] The method of use is as follows:

[0055] Step 1: Ask the patient to lie on his side on a hard board bed, with his back perpendicular to the bed surface, his head forward, his chest bent, and his hands hugging his knees close to his abdomen so that his trunk is arched for easy needle insertion;

[0056] Step 2: Determine the puncture point, usually in the spinous process space of the 3rd to 4th lumbar vertebrae, sometimes in the previous or next lumbar vertebral space;

[0057] Step 3: After routine disinfection of the skin, wear sterile gloves and a hole patch, and use 2% lidocaine for local anesthesia from the skin to the intervertebral ligament;

[0058] Step 4: Before use, insert the sliding card 319 of the present invention into the stopper groove 214, hold the lumbar puncture needle of the present invention, and insert the need...

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Abstract

The invention relates to a sleeve type lumbar puncture needle and a use method thereof. The technical scheme of the invention is that the sleeve type lumbar puncture needle comprises a cylindrical needle head with an inner cavity, a handle with a communicating pipe cavity, and a trocar, wherein the needle head is provided with a first liquid outlet hole and a second liquid outlet hole; the trocar has a cylindrical structure matched with the inner cavity of the needle head and a through hole cavity; and the trocar is provided with a first liquid inlet hole, a second liquid inlet hole and a third liquid inlet hole. The sleeve type lumbar puncture needle provided by the invention has the technical effects that: a transparent observation window or a transparent handle is arranged to observe whether cerebrospinal fluid flows out or not intuitively and visually, the flow is controlled precisely when liquid is taken, the operation is convenient, and the setting and matching of the mutual positions between the first liquid outlet hole and the second liquid outlet hole, and the first liquid inlet hole, the second liquid inlet hole and the third liquid inlet hole enable the liquid outgoing manner and the liquid outgoing volume can be flexibly adjusted according to requirements of on-scene patients or operators. The sleeve type lumbar puncture needle is convenient to use, is safe and reliable, and is long in service life, accurate in adjustment, and complete in function.

Description

technical field [0001] The invention relates to medical auxiliary equipment, in particular to a sheathed lumbar puncture needle and a method for using the same. Background technique [0002] Lumbar puncture is one of the commonly used clinical operations in neurology. It is mainly used for measuring cerebrospinal fluid pressure, extracting cerebrospinal fluid, injecting drugs into the subarachnoid space, and performing cerebrospinal fluid angiography. The instrument used for lumbar puncture is a lumbar puncture needle, and the commonly used lumbar puncture needle includes a hollow needle head, a needle seat and a needle core, and the needle head is connected to the needle seat. Before puncture, first insert the needle core into the needle cavity of the needle head. When the needle head and the needle core enter the human body, in order to judge whether the needle head enters the spinal canal, the needle core needs to be pulled out from the needle cavity to observe whether th...

Claims

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Application Information

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IPC IPC(8): A61B17/34A61B5/03
CPCA61B17/3401A61B5/03A61B17/3415A61B17/3417
Inventor 韩功篑
Owner 韩功篑
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