CN111513681A

CN111513681A - Neurology examination device

Info

Publication number: CN111513681A
Application number: CN202010374517.2A
Authority: CN
Inventors: 张魁; 綦梅伶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-11

Abstract

The invention relates to the field of medical instruments, in particular to a neurology examination device, which comprises a handle and a tactile needle, wherein a rod body is arranged in the handle, the bottom end of the rod body is in threaded connection with the tactile needle, the top end of the rod body is vertically provided with a limiting block, the circumferential side wall of the upper part of the rod body is provided with a ratchet bar, the middle part of the rod body is provided with a blocking piece, the circumferential side wall of the middle part of the handle is provided with a limiting opening, one end of the limiting block, far away from the rod body, penetrates through the limiting; the invention has simple structure and convenient operation, senses the extrusion force of the touch sense aiming at the patient through the pressure sensor, and regulates and controls the position of the pressure sensor through the micro motor, so that the shell is quickly retracted into the handle after the extrusion force of the touch sense needle is greater than the preset extrusion force upper limit value, thereby effectively preventing the needle head from puncturing the skin of the patient, preventing the retraction of the touch sense needle from being controlled in a limiting strip fracture mode, and further facilitating the secondary use of the device.

Description

Neurology examination device

Technical Field

The invention relates to the field of medical instruments, in particular to a neurology examination device.

Background

Neurologists typically examine the joints, sensations, vision, and nerve senses of a patient while examining the patient. Currently, when a patient is clinically detected to be damaged in a certain nerve region, a tactile needle is mostly adopted to stimulate local skin.

At present, chinese patent No. 201520548883.X discloses a tactile needle for nerve detection, which comprises a fixed needle sleeve and a movable needle sleeve matched in the fixed needle sleeve, wherein the left end of the movable needle sleeve extends to the outside of the fixed needle sleeve, an external thread is arranged at the position close to the left end of the movable needle sleeve, a positioning head is matched with the external thread, a through hole is arranged at the left end of the positioning head, a needle head is matched in the positioning head, the needle head is provided with a clamping edge, the clamping edge is larger than the aperture of the through hole, the needle head extends out of the through hole, a first through hole is arranged on the outer surface of the fixed needle sleeve, a limit strip is arranged in the first through hole, and the right end of the movable needle sleeve abuts against the; although this patent supports movable needle cover through spacing to when the dynamics of pricking is too big, spacing fracture can effectively avoid the syringe needle to puncture patient's skin.

However, the above patents have the following defects and shortcomings in the implementation process:

after the spacing strip breaks, be not convenient for reset new spacing strip in fixed needle cover to bring certain inconvenience for the secondary use.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides a neurology examination device which can effectively solve the problem that in the prior art, after a limit strip is broken, a new limit strip is inconvenient to reset in a fixed needle sleeve, so that certain inconvenience is brought to secondary use.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a neurology examination device comprises a handle and a tactile needle, wherein a rod body is arranged in the handle, the bottom end of the rod body is in threaded connection with the tactile needle, a limiting block is vertically arranged at the top end of the rod body, a ratchet bar is arranged on the circumferential side wall of the upper part of the rod body, and the middle part of the rod body is provided with a stopper, the circumferential side wall of the middle part of the handle is provided with a limit opening, one end of the stopper, far away from the rod body, penetrates through the limit opening, a ratchet block matched with the ratchet strip is rotatably connected in the middle part of the handle through a rotating shaft, one end of the ratchet block, far away from the rod body, is provided with an extrusion block, a micro cylinder is arranged in the middle part of the handle, the output end of the micro cylinder is fixedly connected with a pressure sensor through a support body, the upper side of the pressure sensor is in contact fit with the lower side of the extrusion block, a fixing part is arranged in the lower part of.

Furthermore, a single chip microcomputer is arranged in the upper portion of the handle, a display screen is arranged on the circumferential side wall of the upper portion of the handle, and the pressure value sensed by the pressure sensor can be conveniently displayed through the display screen.

Furthermore, the upper end of the handle is in threaded connection with a hammer rod, a percussion hammer is arranged at the upper end of the hammer rod, and the device can be used as a percussion hammer device to perform joint reflex detection on a patient.

Furthermore, a battery jar has been seted up to handle upper end, battery jar upper portion circumference inside wall be provided with hammer stem screw-thread fit's screw thread portion, and be provided with the battery in the battery jar, through the screw-thread fit of hammer stem and battery jar, be convenient for with trading the battery, carry out the power supply through the battery to singlechip, display screen, miniature cylinder and pressure sensor simultaneously and provide.

Furthermore, the bottom end of the handle is provided with a needle outlet which can be in clearance fit with the rod body, and the stability of the rod body penetrating out of the bottom end of the handle is improved through the clearance fit of the needle outlet and the rod body.

Furthermore, the stopper is provided with the piece that pushes away that has anti-skidding line keeping away from body of rod one end, and the finger of being convenient for pushes away the piece, drives the stopper and removes along spacing mouthful direction.

Furthermore, the support body circumference lateral wall is provided with the slider, handle middle part inside wall offer with slider sliding fit's spout, through the cooperation of slider and spout, improve the stability that the support body removed.

Furthermore, two groups of guide rods are symmetrically arranged on the upper side of the fixing part in a left-right mode, guide holes are formed in the left side and the right side of the stopper, the guide rods are sleeved in the springs corresponding to the guide rods, the top ends of the guide rods penetrate through and penetrate out of the guide holes corresponding to the guide rods, the stopper is limited in movement through the matching of the guide rods and the guide holes, namely, the stopper can only move along the direction of the guide rods, and the stability of the rod body moving in the handle is further improved.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

the invention has simple structure and convenient operation, senses the extrusion force of the touch sense aiming at the patient through the pressure sensor, and regulates and controls the position of the pressure sensor through the micro motor, so that the shell is quickly retracted into the handle after the extrusion force of the touch sense needle is greater than the preset extrusion force upper limit value, thereby effectively preventing the needle head from puncturing the skin of the patient, preventing the retraction of the touch sense needle from being controlled in a limiting strip fracture mode, and further facilitating the secondary use of the device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

the reference numerals in the drawings denote: 1-a handle; 2-a tactile needle; 3-a rod body; 4-a limiting block; 5-thorn strip; 6-a stopper; 7-a limiting port; 8-thorn block; 9-extruding the block; 10-a miniature cylinder; 11-a frame body; 12-a pressure sensor; 13-a fixing member; 14-a spring; 15-a single chip microcomputer; 16-a display screen; 17-a hammer stem; 18-plexor; 19-a battery; 20-needle outlet; 21-pushing the piece; 22-a chute; 23-guide bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

A neurology examination apparatus of the present embodiment, with reference to fig. 1 to 3: comprises a handle 1 and a tactile needle 2, a rod body 3 is arranged in the handle 1, the bottom end of the rod body 3 is in threaded connection with the tactile needle 2, a limiting block 4 is vertically arranged at the top end of the rod body 3, a ratchet 5 is arranged on the circumferential side wall at the upper part of the rod body 3, a blocking piece 6 is arranged at the middle part of the rod body 3, a limiting opening 7 is arranged on the circumferential side wall at the middle part of the handle 1, one end of the limiting block 4, far away from the rod body 3, penetrates through the limiting opening 7, a ratchet block 8 matched with the ratchet 5 is rotatably connected in the middle part of the handle 1 through a rotating shaft, an extrusion block 9 is arranged at one end of the ratchet block 8, far away from the rod body 3, a micro cylinder 10 is arranged in the middle part of the handle 1, the output end of the micro cylinder 10, the lower end of the rod body 3 passes through and penetrates out of the through hole, and springs 14 are symmetrically arranged between the fixing piece 13 and the stopper 6.

Wherein, be provided with singlechip 15 in the handle 1 upper portion, handle 1 upper portion circumference lateral wall is provided with display screen 16, through display screen 16, is convenient for show the pressure value of pressure sensor 12 response.

Wherein, the upper end of the handle 1 is in threaded connection with a hammer rod 17, the upper end of the hammer rod 17 is provided with a percussion hammer 18, and the device can be used as a percussion hammer 18 device by arranging the percussion hammer 18 to detect the joint reflex of a patient.

Wherein, the battery jar has been seted up to handle 1 upper end portion, and battery jar upper portion circumference inside wall is provided with the screw thread portion with hammer stem 17 screw-thread fit, and is provided with battery 19 in the battery jar, through the screw-thread fit of hammer stem 17 with the battery jar, is convenient for with trading battery 19, carries out the power supply to singlechip 15, display screen 16, miniature cylinder 10 and pressure sensor 12 through battery 19 simultaneously.

Wherein, handle 1 bottom is provided with needle outlet 20, and needle outlet 20 can with the body of rod 3 clearance fit, through the clearance fit of needle outlet 20 with the body of rod 3, improves the stability that the body of rod 3 wore out handle 1 bottom.

Wherein, the stopper 4 is provided with the pushing part 21 that has anti-skidding line far away from body of rod 3 one end, and the finger of being convenient for promotes pushing part 21, drives stopper 4 and removes along spacing mouthful 7 direction.

Wherein, 11 circumference lateral walls of support body are provided with the slider, and handle 1 middle part inside wall is seted up with slider sliding fit's spout 22, through the cooperation of slider with spout 22, improves the stability that 11 removals of support body.

Wherein, mounting 13 upside bilateral symmetry is provided with two sets of guide arms 23, keeps off piece 6 left and right sides and has all seted up the guide hole, and guide arm 23 all overlaps and establishes in spring 14 rather than corresponding, and guide arm 23 top all passes and wears out rather than the guide hole that corresponds, and through the cooperation of guide arm 23 and guide hole, it is spacing to keep off the removal of piece 6, keeps off piece 6 promptly and can only remove along guide arm 23 direction, and then improves the stability that the body of rod 3 removed in handle 1.

When the device is used, when the rod body 3 moves downwards, the upper side of the right part of the ratchet block 8 is free from blocking, the downward movement of the ratchet strip 5 cannot be limited, the rod body 3 can be driven to move downwards by pushing the limiting block 4 downwards, the tactile needle 2 penetrates out of the needle outlet 20 and compresses the spring 14, the rod body 3 has a tendency of moving upwards under the elastic extrusion action of the spring 14 on the blocking piece 6, the extrusion block 9 is limited by the pressure sensor 12 to move towards the right part, the movement of the lower side of the right part of the ratchet block 8 is limited, the upward movement of the ratchet strip 5 is limited, and the upward movement of the rod body 3 is limited; when the hammer lever 17 is held by hand and the tactile needle 2 is punctured to a patient, the lever body 3 applies acting force to the pressure sensor 12 through the ratchet block 8 by virtue of the extrusion force of the patient to the tactile needle 2, the pressure sensor 12 transmits the extrusion force of the patient to the tactile needle 2 to the single chip microcomputer 15, and the single chip microcomputer 15 converts the extrusion force into a numerical value and displays the numerical value on the display screen 16, so that a doctor can conveniently detect the tactile sensation of the patient; when the acting force of the tactile needle 2 on the patient is greater than the preset extrusion force upper limit value, namely the extrusion force sensed by the pressure sensor 12 is greater than the preset extrusion force upper limit value, the single chip microcomputer 15 controls the micro cylinder 10 to rapidly drive the frame body 11 to move downwards so as to drive the pressure sensor 12 to rapidly move downwards, so that the lower side of the extrusion block 9 is not obstructed instantly, the ratchet 5 can move upwards, the rod body 3 is driven to rapidly move upwards under the elastic action of the spring 14, the tactile needle 2 is contracted into the handle 1, the skin of the patient can be effectively prevented from being punctured by the needle head, and then the micro cylinder 10 drives the frame body 11 to move upwards so as to return the pressure sensor 12 to the initial position; when used again, the stopper 4 is pushed downward, and the tactile needle 2 can be used again.

The device simple structure, the simple operation, through pressure sensor 12 response sense of touch needle 2 to patient's extrusion force to through micro motor 10 regulation and control pressure sensor 12's position, thereby make touch needle 2 after the extrusion force is greater than predetermined extrusion force upper limit value, the shell retracts in handle 1 rapidly, thereby can effectively avoid the syringe needle to puncture patient's skin, avoid controlling the withdrawal of touch needle 2 through spacing strip fracture mode, and then the secondary use of the device of being convenient for.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A neurological examination apparatus comprising a handle (1) and a tactile needle (2), characterized in that: a rod body (3) is arranged in the handle (1), the bottom end of the rod body (3) is in threaded connection with the tactile needle (2), a limiting block (4) is vertically arranged at the top end of the rod body (3), a ratchet strip (5) is arranged on the circumferential side wall of the upper portion of the rod body (3), a blocking piece (6) is arranged in the middle of the rod body (3), a limiting opening (7) is formed in the circumferential side wall of the middle portion of the handle (1), one end, away from the rod body (3), of the limiting block (4) penetrates through the limiting opening (7), a ratchet block (8) matched with the ratchet strip (5) is rotatably connected in the middle of the handle (1) through a rotating shaft, an extrusion block (9) is arranged at one end, away from the rod body (3), a micro cylinder (10) is arranged in the middle of the handle (1), the output end of the micro cylinder (10) is fixedly connected, a fixing piece (13) is arranged in the lower portion of the handle (1), a through hole in clearance fit with the rod body (3) is formed in the axis of the fixing piece (13), the lower end of the rod body (3) penetrates through the through hole, and springs (14) are symmetrically arranged between the fixing piece (13) and the blocking piece (6) in the left-right direction.

2. The neurology examination device according to claim 1, wherein a single chip microcomputer (15) is arranged in the upper portion of the handle (1), and a display screen (16) is arranged on the circumferential side wall of the upper portion of the handle (1).

3. A neurological examination apparatus according to claim 1, wherein a hammer rod (17) is screwed on the upper end of the handle (1), and a percussion hammer (18) is arranged on the upper end of the hammer rod (17).

4. The neurology examination device as claimed in claim 1, wherein a battery jar is formed at the upper end of the handle (1), a threaded portion which is in threaded fit with the hammer rod (17) is formed on the inner side wall of the circumference of the upper portion of the battery jar, and a battery (19) is arranged in the battery jar.

5. A neurological examination device according to claim 1, wherein the bottom end of the handle (1) is provided with a needle outlet (20), and the needle outlet (20) is in clearance fit with the rod body (3).

6. The neurology examination device according to claim 1, wherein a pushing piece (21) with anti-skid lines is arranged at one end of the limiting block (4) far away from the rod body (3).

7. The neurology examination device according to claim 1, wherein a sliding block is arranged on the circumferential side wall of the frame body (11), and a sliding groove (22) in sliding fit with the sliding block is formed in the middle inner side wall of the handle (1).

8. The neurology examination device according to claim 1, wherein two sets of guide rods (23) are symmetrically arranged on the upper side of the fixing part (13) in the left-right direction, guide holes are formed in the left side and the right side of the stopper (6), the guide rods (23) are sleeved in the corresponding springs (14), and the top ends of the guide rods (23) penetrate through the corresponding guide holes.