CN221450726U

CN221450726U - Cerebrospinal fluid pressure measuring device for lumbar puncture

Info

Publication number: CN221450726U
Application number: CN202322584349.1U
Authority: CN
Inventors: 林钊华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-08-02
Anticipated expiration: 2033-09-22

Abstract

The utility model relates to the technical field of medical equipment, in particular to a lumbar puncture cerebrospinal fluid pressure measuring device, which comprises a fixed frame, wherein a supporting plate is arranged at the top of the fixed frame, a supporting rod is arranged at the top of the supporting plate, a guide assembly is arranged at the top of the supporting rod, and a puncture needle is arranged at the inner side of the guide assembly; the guide assembly comprises a fixed supporting block, balls, a combined block, a connecting ring, a threaded column, a clamping block, a clamping groove, a connecting rod, a guide frame and a guide wheel, wherein the fixed supporting block is fixedly arranged at the top of a supporting rod, a plurality of groups of balls are arranged on the inner side of the fixed supporting block, the combined block is hinged to the left end of the fixed supporting block, and the connecting ring is rotationally connected to the right end of the combined block.

Description

Cerebrospinal fluid pressure measuring device for lumbar puncture

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a lumbar puncture cerebrospinal fluid pressure measuring device.

Background

Vertebroplasty is a relatively common clinical technique, the purpose of which is to leave a certain amount of cerebrospinal fluid specimen, and by detecting the cell number, morphology, various ion contents and cerebrospinal fluid pressure of the cerebrospinal fluid, the necessary devices for diagnosis of infection, tumor and craniocerebral diseases, lumbar puncture: the lumbar puncture needle with the needle core, skin disinfectant, surgical towel, collecting pipe and a manometer are used for detecting the pressure of cerebrospinal fluid in the operation process for clinical diagnosis and reference.

When an actual vertebral puncture operation is performed, a patient is bent on a lateral bed firstly, the lumbar vertebra kyphosis and the intervertebral space is widened by hands tuck, local conventional disinfection is performed, puncture is performed after infiltration anesthesia, in the operation process, a doctor needs to ensure the stability of puncture by a puncture needle and feel the resistance of the puncture needle at any time, so that the doctor needs abundant operation experience, and meanwhile, the doctor needs to concentrate the attention to be high, the safety of the operation process can be ensured, and in the actual operation process, the problem of blood cerebrospinal fluid caused by the fact that the needle is inserted too deeply, the venous plexus in the vertebral canal is accidentally injured by the lumbar puncture needle is caused by the fact that the lumbar puncture needle accidentally injures the venous plexus in the vertebral canal is one of the most common complications in the lumbar puncture, so that the risk of the vertebral puncture operation is improved.

Therefore, it is important to design a lumbar-worn cerebrospinal fluid pressure measuring device to solve the above-mentioned drawbacks.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model designs a lumbar puncture cerebrospinal fluid pressure measuring device, which aims to solve the technical problems that the lumbar puncture needle accidentally injures the venous plexus in the vertebral canal and the lumbar puncture needle accidentally injures the blood cerebrospinal fluid caused by the fact that experience is insufficient, the needle is too deep, and the lumbar puncture needle accidentally injures the venous plexus in the vertebral canal in the operation process of the vertebral puncture in the prior art, is one of the most common complications in lumbar puncture, and improves the risk of the vertebral puncture.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The cerebrospinal fluid pressure measuring device for lumbar puncture comprises a fixed frame, wherein a supporting plate is arranged at the top of the fixed frame, a supporting rod is arranged at the top of the supporting plate, a guide assembly is arranged at the top of the supporting rod, and a puncture needle is arranged at the inner side of the guide assembly;

The guide assembly comprises a fixed supporting block, balls, a combination block, a connecting ring, a threaded column, a clamping block, a clamping groove, a connecting rod, a guide frame and guide wheels, wherein the fixed supporting block is fixedly arranged at the top of a supporting rod, a plurality of groups of balls are arranged on the inner side of the fixed supporting block, the combination block is hinged to the left end of the fixed supporting block, the connecting ring is rotationally connected to the right end of the combination block, the threaded column is in threaded connection with the inside of the connecting ring, the clamping block is rotationally connected to the bottom end of the threaded column, the clamping groove is formed in the position of the right end of the fixed supporting block corresponding to the connecting ring, the connecting rod is arranged on the back of the fixed supporting block, the guide frame is arranged at one end of the connecting rod, which is far away from the fixed supporting block, and the guide wheels are symmetrically rotationally connected to the inner side of the guide frame.

As a preferable scheme of the utility model, the inner side of the fixed frame is provided with the fixed groove, the left end and the right end of the fixed frame are connected with the crank in a threaded manner, and the crank extends to the inner side of the fixed groove and is provided with the clamping plate.

As a preferable scheme of the utility model, one end of the supporting plate, which is close to the fixed frame, is provided with the adjusting plate, the inner side of the adjusting plate is provided with the sliding groove, and one end of the supporting plate, which is close to the adjusting plate, is in sliding connection with the sliding groove through the sliding column.

As a preferable scheme of the utility model, the front end of the supporting plate is provided with a fixed block, the inside of the fixed block is connected with a first fixed column in a threaded manner, and the bottom of the first fixed column is provided with a rubber supporting block.

As the preferable scheme of the utility model, the supporting rod consists of a supporting cylinder and an adjusting rod, the adjusting rod is connected in the supporting cylinder in a sliding way, a second fixing column is connected to the outer side of the top end of the supporting cylinder in a threaded way, and one end of the second fixing column positioned in the supporting cylinder is propped against the outer side of the adjusting rod.

As a preferable scheme of the utility model, the puncture needle consists of a collecting needle cylinder, a connecting pipe and a needle head, wherein threaded joints are fixedly connected to the front end and the rear end of the connecting pipe, the front end and the rear end of the connecting pipe are respectively in threaded connection with the needle head and the collecting needle cylinder through the threaded joints, and a pressure gauge is arranged on the outer side of the connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that:

In the utility model, through the design of the fixing frame, the supporting plate, the supporting rod and the guide component, before the vertebral puncture operation is carried out, the fixing groove is clamped into the position of the operating table where the patient needs to carry out the vertebral puncture operation on the patient on the bent lateral bed, after the two hands tuck, the crank is rotated to drive the clamping plate to move until the clamping plate abuts against the bottom of the operating table, thereby fixing the fixing frame on the outer side of the operating table, when the vertebral puncture operation is carried out, the supporting plate can slide in the sliding groove on the inner side of the adjusting plate through the sliding column, thereby adjusting the position of the supporting plate, enabling the puncture needle to accurately align with the position of the patient needing to carry out the vertebral puncture operation, after the position adjustment of the supporting plate is completed, the first fixing column on the inner side of the fixing block is rotated, and the rubber abutting block abuts against the top of the adjusting plate to fix the supporting plate, meanwhile, the height of the supporting rod is adjustable, so that the puncture needle aims at the position where the patient needs to perform the vertebral puncture operation, the collecting needle cylinder is installed between the fixed supporting block and the combined block, the combined block is closed, the connecting ring is clamped into the clamping groove, the threaded column is screwed upwards to enable the clamping block to move upwards, the fixed supporting block is connected and fixed with the right end of the combined block, meanwhile, the connecting pipe penetrates through the inner side of the guide frame, the position of the whole puncture needle is stably supported, a doctor only needs to slowly translate the collecting needle cylinder, the vertebral puncture operation is performed on the stable moving needle head under the action of the ball and the guide wheel on the inner side of the guide frame, the force for controlling the needle inlet is easier, the stability of the vertebral puncture operation is greatly improved, and the risk of the vertebral puncture operation is reduced.

Drawings

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

FIG. 2 is a schematic view of the removal structure of the lancet of the present utility model;

FIG. 3 is a schematic view of a guide assembly according to the present utility model;

FIG. 4 is a schematic view of the structure of the puncture needle according to the present utility model.

In the figure: 1. a fixed frame; 101. a fixing groove; 102. a crank; 103. a clamping plate; 2. a support plate; 201. an adjusting plate; 202. a chute; 203. a spool; 204. a fixed block; 205. a first fixing column; 206. a rubber abutting block; 3. a support rod; 301. a support cylinder; 302. an adjusting rod; 303. a second fixing column; 4. a guide assembly; 401. fixing the support blocks; 402. a ball; 403. combining blocks; 404. a connecting ring; 405. a threaded column; 406. a clamping block; 407. a clamping groove; 408. a connecting rod; 409. a guide frame; 410. a guide wheel; 5. a puncture needle; 501. collecting the needle cylinder; 502. a connecting pipe; 503. a needle; 504. a pressure gauge.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a cerebrospinal fluid pressure measuring device for lumbar puncture, includes fixed frame 1, and backup pad 2 is installed at the top of fixed frame 1, and bracing piece 3 is installed at the top of backup pad 2, and guide assembly 4 is installed at the top of bracing piece 3, and pjncture needle 5 is installed to guide assembly 4's inboard.

First, in the present embodiment, the specific structure of the guide assembly 4 is as follows:

The guide assembly 4 comprises a fixed supporting block 401, balls 402, a combining block 403, a connecting ring 404, a threaded column 405, a clamping block 406, a clamping groove 407, a connecting rod 408, a guide frame 409 and guide wheels 410, wherein the fixed supporting block 401 is fixedly arranged at the top of a supporting rod 3, a plurality of groups of balls 402 are arranged on the inner side of the fixed supporting block 401, the combining block 403 is hinged to the left end of the fixed supporting block 401, the connecting ring 404 is rotationally connected to the right end of the combining block 403, the threaded column 405 is in threaded connection with the inside of the connecting ring 404, the clamping block 406 is rotationally connected to the bottom end of the threaded column 405, the clamping groove 407 is formed in the position of the right end of the fixed supporting block 401 corresponding to the connecting ring 404, the connecting rod 408 is arranged on the back of the fixed supporting block 401, the guide frame 409 is arranged at one end of the connecting rod 408 far away from the fixed supporting block 401, and the two groups of guide wheels 410 are symmetrically rotationally connected to the inner side of the guide frame 409.

Further, the fixed slot 101 has been seted up to fixed frame 1 inboard, both ends all threaded connection has crank 102 about fixed frame 1, splint 103 are installed to the inboard that crank 102 extends to fixed slot 101, before carrying out the vertebroplasty, on patient crooked lateral bed, after the both hands tuck, the position department that needs to carry out the vertebroplasty with fixed slot 101 card operation table patient, rotate crank 102 afterwards and drive splint 103 and remove until splint 103 support to the operating table bottom, thereby install fixed frame 1 outside the operating table.

Then, the regulating plate 201 is installed to the one end that backup pad 2 is close to fixed frame 1, and spout 202 has been seted up to the inboard of regulating plate 201, and the one end that backup pad 2 is close to regulating plate 201 passes through slide post 203 and spout 202 sliding connection, and when carrying out the vertebroplasty, backup pad 2 can slide in the inboard spout 202 of regulating plate 201 through slide post 203 to adjust the position of backup pad 2, make the accurate alignment patient of pjncture needle 5 need carry out the position department of vertebroplasty.

Further, the front end of the support plate 2 is provided with a fixing block 204, the inside of the fixing block 204 is connected with a first fixing column 205 in a threaded manner, the bottom of the first fixing column 205 is provided with a rubber supporting block 206, after the position adjustment of the support plate 2 is completed, the first fixing column 205 on the inner side of the fixing block 204 is rotated, and the rubber supporting block 206 is supported to the top of the adjusting plate 201 to fix the support plate 2.

Secondly, bracing piece 3 comprises supporting cylinder 301 and regulation pole 302, regulation pole 302 sliding connection is in the inside of supporting cylinder 301, the outside threaded connection on supporting cylinder 301 top has second fixed column 303, and the one end that second fixed column 303 is located supporting cylinder 301 inside supports to the outside of regulation pole 302, when carrying out the vertebroplasty, according to the position that the patient needs to carry out the vertebroplasty, the height of fixed support 401 is adjusted to the regulation pole 302, make pjncture needle 5 aim at the patient need carry out the position department of vertebroplasty, rotate second fixed column 303 after the regulation is accomplished and make it support regulation pole 302, thereby adjust pole 302 and fix.

Finally, pjncture needle 5 comprises collecting needle cylinder 501, connecting pipe 502 and syringe 503, the front and back both ends of connecting pipe 502 all are fixedly connected with screwed joint, the front and back both ends of connecting pipe 502 all pass through screwed joint respectively with syringe 503 and collecting needle cylinder 501 screwed connection, manometer 504 is installed in the outside of connecting pipe 502, when carrying out the vertebroplasty, install collecting needle cylinder 501 into fixed bracket 401 and close between the piece 403, later will close the piece 403 and fix the back, connecting pipe 502 passes the inboard of guide frame 409 simultaneously, the position of whole pjncture needle 5 is stabilized and supported, so doctor only need translation collecting needle cylinder 501 slowly, thereby stable removal syringe 503 carries out the vertebroplasty, the dynamics of accuse needle of more easily, make the stability of vertebroplasty improve greatly, and then reduce the risk of vertebroplasty, until doctor feels the resistance of collecting needle cylinder 501 can stop the propelling movement, later control collecting spinal bone inside cerebrospinal fluid when the cerebrospinal fluid passes through syringe 502, carry out the manometer 504 simultaneously, each part of pjncture needle 5 can dismantle, thereby conveniently disinfect.

In this embodiment, the implementation scenario specifically includes: before the operation of the vertebral puncture, after the hands tuck are clamped on a patient bending lateral bed, the fixing groove 101 is clamped at the position of the operation table, which is needed by the patient, the crank 102 is rotated to drive the clamping plate 103 to move until the clamping plate 103 is propped against the bottom of the operation table, so that the fixing frame 1 is fixed on the outer side of the operation table, when the vertebral puncture is carried out, the supporting plate 2 can slide in the sliding groove 202 on the inner side of the adjusting plate 201 through the sliding column 203, so that the position of the supporting plate 2 is adjusted, the puncture needle 5 is accurately aligned with the position of the patient, which is needed by the patient, after the position adjustment of the supporting plate 2 is completed, the first fixing column 205 on the inner side of the fixing block 204 is rotated, so that the rubber propping block 206 is propped against the top of the adjusting plate 201 to fix the supporting plate 2, and meanwhile, the height of the supporting rod 3 is adjustable, so that the puncture needle 5 is aligned with the position of the patient, which is needed by the vertebral puncture, the collecting needle cylinder 501 is installed between the fixed supporting block 401 and the combining block 403, then the combining block 403 is closed, the connecting ring 404 is clamped into the clamping groove 407, then the threaded column 405 is screwed up to enable the clamping block 406 to move upwards, so that the fixed supporting block and the right end of the combining block 403 are connected and fixed, meanwhile, the connecting pipe 502 passes through the inner side of the guide frame 409, the whole puncture needle 5 is stably supported, so that a doctor only needs to slowly translate the collecting needle cylinder 501, under the action of the ball 402 and the guide wheel 410 on the inner side of the guide frame 409, the stable moving needle head 503 performs the vertebral puncture operation, the force for controlling the needle is easier, the stability of the vertebral puncture operation is greatly improved, the risk of the vertebral puncture operation is further reduced, the pushing can be stopped until the doctor feels the resistance of the collecting needle cylinder 501, then the collecting needle cylinder 501 is controlled to take out cerebrospinal fluid in the spine, and when the cerebrospinal fluid passes through the connecting pipe 502, the pressure gauge 504 is used for measuring pressure, and meanwhile, each part of the puncture needle 5 can be detached, so that disinfection is convenient, the whole operation flow is simple and convenient, and compared with the existing operation mode of the vertebral puncture, the utility model can control the force of needle insertion more easily through design, so that the stability of the vertebral puncture is greatly improved, and the risk of the vertebral puncture is further reduced.

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. The utility model provides a cerebrospinal fluid pressure measuring device is worn to waist, includes fixed frame (1), its characterized in that: the device is characterized in that a supporting plate (2) is arranged at the top of the fixed frame (1), a supporting rod (3) is arranged at the top of the supporting plate (2), a guide assembly (4) is arranged at the top of the supporting rod (3), and a puncture needle (5) is arranged at the inner side of the guide assembly (4);

The guide assembly (4) comprises a fixed supporting block (401), balls (402), a closing block (403), a connecting ring (404), a threaded column (405), a clamping block (406), a clamping groove (407), a connecting rod (408), a guide frame (409) and a guide wheel (410), wherein the fixed supporting block (401) is fixedly arranged at the top of a supporting rod (3), the balls (402) are arranged on the inner side of the fixed supporting block (401), the closing block (403) is hinged to the left end of the fixed supporting block (401), the connecting ring (404) is rotationally connected to the right end of the closing block (403), the threaded column (405) is in threaded connection with the inside of the connecting ring (404), the clamping block (406) is rotationally connected to the bottom end of the threaded column (405), the clamping groove (407) is arranged at the position of the right end of the fixed supporting block (401) corresponding to the connecting ring (404), the connecting rod (408) is arranged on the back of the fixed supporting block (401), the guide frame (409) is arranged on the end of the connecting rod (408) away from the left end of the fixed supporting block (401), and the guide frame (409) is rotationally connected to the guide frame (410).

2. The lumbar support-wear cerebrospinal fluid pressure measuring device according to claim 1, wherein: the fixing frame is characterized in that a fixing groove (101) is formed in the inner side of the fixing frame (1), a crank (102) is connected to the left end and the right end of the fixing frame (1) in a threaded mode, and a clamping plate (103) is arranged on the inner side of the crank (102) extending to the fixing groove (101).

3. The lumbar support-wear cerebrospinal fluid pressure measuring device according to claim 1, wherein: the utility model discloses a fixed frame, including fixed frame (1) and backup pad, backup pad (2) are close to one end of fixed frame (1) and install regulating plate (201), spout (202) have been seted up to the inboard of regulating plate (201), one end that backup pad (2) are close to regulating plate (201) is through slide column (203) and spout (202) sliding connection.

4. A lumbar-worn cerebrospinal fluid pressure measuring device according to claim 3, wherein: the front end of backup pad (2) is installed fixed block (204), the inside threaded connection of fixed block (204) has first fixed column (205), rubber support piece (206) are installed to the bottom of first fixed column (205).

5. The lumbar support-wear cerebrospinal fluid pressure measuring device according to claim 1, wherein: the supporting rod (3) consists of a supporting cylinder (301) and an adjusting rod (302), the adjusting rod (302) is slidably connected to the inside of the supporting cylinder (301), a second fixing column (303) is connected to the outer side of the top end of the supporting cylinder (301) in a threaded mode, and one end of the second fixing column (303) located inside the supporting cylinder (301) is abutted to the outer side of the adjusting rod (302).

6. The lumbar support-wear cerebrospinal fluid pressure measuring device according to claim 1, wherein: the puncture needle (5) is composed of a collecting needle cylinder (501), a connecting pipe (502) and a needle head (503), threaded connectors are fixedly connected to the front end and the rear end of the connecting pipe (502), the front end and the rear end of the connecting pipe (502) are respectively in threaded connection with the needle head (503) and the collecting needle cylinder (501) through the threaded connectors, and a pressure gauge (504) is arranged on the outer side of the connecting pipe (502).