CN210228276U - Auxiliary needle for lumbar puncture - Google Patents
Auxiliary needle for lumbar puncture Download PDFInfo
- Publication number
- CN210228276U CN210228276U CN201820204366.4U CN201820204366U CN210228276U CN 210228276 U CN210228276 U CN 210228276U CN 201820204366 U CN201820204366 U CN 201820204366U CN 210228276 U CN210228276 U CN 210228276U
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- cerebrospinal fluid
- side wall
- needle
- worm
- cylindrical gear
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Abstract
The utility model discloses a lumbar puncture auxiliary needle, which comprises a work box, wherein the left part of the inner cavity of the work box is fixedly connected with a cerebrospinal fluid storage box, the left side wall of the cerebrospinal fluid storage box is communicated and connected with an outer thimble tube, the inner side wall of the outer thimble tube is slidably connected with a needle core, the effect of driving the rotation of a rocker shaft can be realized through the arrangement of a rocker, the effect of driving the rotation of a worm can be realized through the arrangement of the rocker shaft, the effect of driving a cylindrical gear to rotate so as to decelerate can be realized through the engagement between a worm wheel and the worm, the effect of driving the needle core to move left and right can be realized through the engagement between a rack and the cylindrical gear, the effect of pouring cerebrospinal fluid into other containers can be realized through the arrangement of a cerebrospinal fluid discharge pipe, the effect of controlling the outflow of the cerebrospinal fluid along the cerebrospinal, and the discharge of cerebrospinal fluid is very convenient.
Description
Technical Field
The utility model relates to the technical field of medical equipment, the concrete field is a waist puncture auxiliary needle.
Background
Lumbar puncture is one of the commonly used clinical operating techniques, and is mainly used for diagnosing and treating central nervous system diseases, such as: measuring the pressure of cerebrospinal fluid, extracting appropriate amount of cerebrospinal fluid to perform cell, biochemical and bacteriological detection, discharging cerebrospinal fluid to lower intracranial pressure, and injecting medicine into subarachnoid space for treatment or performing cerebrospinal fluid radiography. The handles of needle cores of the existing lumbar puncture needle and lumbar puncture auxiliary needle are generally very small, the needle cores are twisted up with great effort, the lumbar puncture degree is not easy to adjust, and when cerebrospinal fluid is in the lumbar puncture needle and the lumbar puncture auxiliary needle, the cerebrospinal fluid is required to be removed firstly, so that the cerebrospinal fluid is inconvenient to discharge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waist wears auxiliary needle to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waist wears auxiliary needle, includes the work box, the inner chamber left part fixedly connected with cerebrospinal fluid storage box of work box, the left side wall intercommunication of cerebrospinal fluid storage box is connected with outer thimble tube, outer thimble tube passes through the left side wall of work box, the inside wall sliding connection of outer thimble tube has the nook closing member, the nook closing member runs through the left side wall and the right side wall of cerebrospinal fluid storage box, the lower terminal surface intercommunication of cerebrospinal fluid storage box is connected with the cerebrospinal fluid discharge pipe, the cerebrospinal fluid discharge pipe runs through the lower terminal surface of work box, the lateral wall of cerebrospinal fluid discharge pipe is equipped with the stagnant water clamp, the last lateral wall right part of nook closing member is equipped with the rack, rotate between the preceding lateral wall and the back lateral wall of work box and install the gear shaft, the lateral wall key-type connection has cylindrical gear and worm wheel respectively of gear, the, the worm wheel is located on the rear side of the cylindrical gear, a rocker shaft is rotatably mounted on the right side wall of the working box and penetrates through the right side wall of the working box, a worm is connected to the left end shaft of the rocker shaft, the worm wheel and the worm are meshed with each other, and a rocker is arranged at the right end of the rocker shaft.
Preferably, the work box and the cerebrospinal fluid storage box are both made of transparent plastics.
Preferably, the needle point opening of the outer sleeve needle tube is spoon-shaped, and the needle core is made of stainless steel.
Preferably, the cerebrospinal fluid drainage tube is made of PVC material.
Preferably, the rack is a straight rack, and the cylindrical gear is a straight gear.
Preferably, the diameter of the worm gear is larger than that of the cylindrical gear.
Preferably, the rack, the cylindrical gear, the worm wheel and the worm are all made of anticorrosive materials.
Compared with the prior art, the beneficial effects of the utility model are that: the effect of drive rocker shaft rotation can be realized through setting up of rocker shaft, can realize the rotatory effect of drive worm through setting up of rocker shaft, thereby can realize the rotatory effect that slows down of drive cylindrical gear through the meshing between worm wheel and the worm, can realize driving the effect that the nook closing member removed about through the meshing between rack and the cylindrical gear, can realize pouring the cerebrospinal fluid into the effect of other containers through setting up of cerebrospinal fluid discharge pipe, can realize controlling the cerebrospinal fluid along the effect that the cerebrospinal fluid discharge pipe flows through setting up of stagnant water clamp, the utility model discloses it is very convenient when the waist is worn, and the waist degree of wearing is adjusted easily, and it is very convenient to discharge the cerebrospinal fluid moreover.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-work box, 2-cerebrospinal fluid storage box, 3-outer sleeve needle tube, 4-needle core, 5-cerebrospinal fluid discharge pipe, 6-water stop clamp, 7-rack, 8-gear shaft, 9-cylindrical gear, 10-worm gear, 11-rocker shaft, 12-worm and 13-rocker.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a lumbar puncture auxiliary needle comprises a working box 1, wherein a cerebrospinal fluid storage box 2 is fixedly connected to the left portion of an inner cavity of the working box, the cerebrospinal fluid storage box can be arranged to achieve the effect of storing cerebrospinal fluid, a left side wall of the cerebrospinal fluid storage box is connected with an outer trocar tube 3 in a communicating mode, the outer trocar tube penetrates through the left side wall of the working box, a needle core 4 is slidably connected to the inner side wall of the outer trocar tube and penetrates through the left side wall and the right side wall of the cerebrospinal fluid storage box, the puncturing effect can be achieved through the needle core, a cerebrospinal fluid discharge tube 5 is connected to the lower end face of the cerebrospinal fluid storage box in a communicating mode and penetrates out of the lower end face of the working box, the cerebrospinal fluid discharge tube can be arranged to achieve the effect of pouring cerebrospinal fluid into other containers, a water stop clamp 6 is arranged on the outer side wall of the cerebrospinal fluid discharge tube, and, the right part of the upper side wall of the needle core is provided with a rack 7, a gear shaft 8 is rotatably arranged between the front side wall and the rear side wall of the working box, the outer side wall of the gear shaft is respectively connected with a cylindrical gear 9 and a worm gear 10 in a key mode, the rack and the cylindrical gear are mutually meshed, the needle core can be driven to move left and right through the meshing between the rack and the cylindrical gear, the worm gear is positioned on the rear side of the cylindrical gear, the right side wall of the working box is rotatably provided with a rocker shaft 11, the worm can be driven to rotate through the arrangement of the rocker shaft, the rocker shaft penetrates out of the right side wall of the working box, the left end shaft of the rocker shaft is connected with a worm 12, the worm gear and the worm are mutually meshed, the cylindrical gear can be driven to rotate through the meshing between the worm gear and the worm, so that the speed is reduced, the effect of driving the rotation of the rocker shaft can be realized through the arrangement of the rocker.
Particularly, the work box with cerebrospinal fluid storage box all adopts transparent plastic to make, can realize seeing the effect of seeing clearly what the inside cerebrospinal fluid of cerebrospinal fluid storage box is through such setting.
Particularly, the needle point opening of outer sleeve needle pipe is the spoon form, can realize doing benefit to the nook closing member through such setting and pass through and reduce the effect that nook closing member metal particle drops, the nook closing member adopts the stainless steel to make, can realize rust-resistant effect through such setting.
Specifically, the cerebrospinal fluid discharge pipe is made of PVC material.
Particularly, the rack is a straight rack, the cylindrical gear is a straight gear, the processing, the installation and the debugging of the straight gear and the straight rack are easy, and the processing cost is low.
Specifically, the diameter of the worm wheel is larger than that of the cylindrical gear, and the speed reduction effect can be realized through the arrangement.
Specifically, the rack, the cylindrical gear, the worm wheel and the worm are all made of anticorrosive materials, and the anticorrosive effect can be achieved through the arrangement.
The working principle is as follows: the utility model discloses in, rotate the rocker, rocker drive rocker shaft is rotatory, and rocker shaft drive worm is rotatory, and worm drive turbine and roller gear are rotatory, and roller gear drives the rack and makes the nook closing member remove about. The needle core moves leftwards by rotating the rocker, and the needle core comes out from the opening of the outer sleeve needle tube and enters the subarachnoid space to realize lumbar puncture. When observing that the cerebrospinal fluid is full in the cerebrospinal fluid storage box, the needle core moves rightwards by rotating the rocker to be retracted into the outer sleeve needle tube, then the water-stop clamp can be opened to discharge the cerebrospinal fluid in the cerebrospinal fluid storage box into other containers along the cerebrospinal fluid discharge tube, and therefore detection is waited.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a waist wears auxiliary needle, includes work box (1), its characterized in that: the left part of the inner cavity of the working box (1) is fixedly connected with a cerebrospinal fluid storage box (2), the left side wall of the cerebrospinal fluid storage box (2) is connected with an outer thimble tube (3) in a communicating manner, the outer thimble tube (3) penetrates through the left side wall of the working box (1), the inner side wall of the outer thimble tube (3) is connected with a needle core (4) in a sliding manner, the needle core (4) penetrates through the left side wall and the right side wall of the cerebrospinal fluid storage box (2), the lower end face of the cerebrospinal fluid storage box (2) is connected with a cerebrospinal fluid discharge pipe (5) in a communicating manner, the cerebrospinal fluid discharge pipe (5) penetrates through the lower end face of the working box (1), the outer side wall of the cerebrospinal fluid discharge pipe (5) is provided with a water stop clamp (6), the right part of the upper side wall of the needle core (4) is provided with a rack (7), and a gear, the outer side wall key-type connection of gear shaft (8) has cylindrical gear (9) and worm wheel (10) respectively, rack (7) with intermeshing between cylindrical gear (9), worm wheel (10) are located the rear side of cylindrical gear (9), the right side wall of work box (1) is rotated and is installed rocker shaft (11), rocker shaft (11) run through the right side wall of work box (1), the left end hub connection of rocker shaft (11) has worm (12), worm wheel (10) with intermeshing between worm (12), the right-hand member of rocker shaft (11) is equipped with rocker (13).
2. The lumbar puncture assisting needle according to claim 1, characterized in that: the work box (1) and the cerebrospinal fluid storage box (2) are both made of transparent plastics.
3. The lumbar puncture assisting needle according to claim 1, characterized in that: the needle point opening of the outer sleeve needle tube (3) is spoon-shaped, and the needle core (4) is made of stainless steel.
4. The lumbar puncture assisting needle according to claim 1, characterized in that: the cerebrospinal fluid discharge pipe (5) is made of PVC materials.
5. The lumbar puncture assisting needle according to claim 1, characterized in that: the rack (7) is a straight rack, and the cylindrical gear (9) is a straight gear.
6. The lumbar puncture assisting needle according to claim 1, characterized in that: the diameter of the worm wheel (10) is larger than that of the cylindrical gear (9).
7. The lumbar puncture assisting needle according to claim 1, characterized in that: the rack (7), the cylindrical gear (9), the worm wheel (10) and the worm (12) are all made of anticorrosive materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204366.4U CN210228276U (en) | 2018-02-06 | 2018-02-06 | Auxiliary needle for lumbar puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204366.4U CN210228276U (en) | 2018-02-06 | 2018-02-06 | Auxiliary needle for lumbar puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210228276U true CN210228276U (en) | 2020-04-03 |
Family
ID=69960797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820204366.4U Expired - Fee Related CN210228276U (en) | 2018-02-06 | 2018-02-06 | Auxiliary needle for lumbar puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210228276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006911A (en) * | 2020-09-22 | 2020-12-01 | 杨雷 | Acupuncture needle propeller |
| CN113261937A (en) * | 2021-05-06 | 2021-08-17 | 吉林大学 | Intelligent pressure measuring equipment used during cerebrospinal fluid extraction |
| CN113813042A (en) * | 2021-10-22 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
-
2018
- 2018-02-06 CN CN201820204366.4U patent/CN210228276U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006911A (en) * | 2020-09-22 | 2020-12-01 | 杨雷 | Acupuncture needle propeller |
| CN113261937A (en) * | 2021-05-06 | 2021-08-17 | 吉林大学 | Intelligent pressure measuring equipment used during cerebrospinal fluid extraction |
| CN113261937B (en) * | 2021-05-06 | 2022-10-18 | 吉林大学 | Intelligent pressure measuring equipment used during cerebrospinal fluid extraction |
| CN113813042A (en) * | 2021-10-22 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
| CN113813042B (en) * | 2021-10-22 | 2023-12-05 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20220206 |