CN213789362U

CN213789362U - Medical clinical anesthetic needle

Info

Publication number: CN213789362U
Application number: CN202021775421.9U
Authority: CN
Inventors: 谭志斌
Original assignee: North China University of Science and Technology
Current assignee: North China University of Science and Technology
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-27
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a clinical anesthesia needle of medical science, including needle cover and needle tubing, the needle tubing is located the inner of needle cover, the inner movable sleeve of needle tubing is equipped with the piston, the fixed movable rod that is provided with in front side center department of piston, the front end of movable rod runs through the front side that the needle tubing leads to the needle tubing, the fixed syringe needle that is provided with in rear side center department of needle tubing, the both sides lateral wall of needle tubing middle part shaft is all fixed and is provided with the bracing piece, two the one end that the needle tubing was kept away from to the bracing piece is all rotated and is provided with the gear, the both sides inner wall of needle cover is all fixed and is provided with the rack, two the gear is connected with rack toothing respectively, the fixed movable block that is provided with in up end center of needle tubing, the movable hole has been seted up at needle cover up end center, the upper end of movable block runs through the movable hole to the upper end of needle cover. The utility model discloses a clinical anesthesia needle of medical science, this novel clinical anesthesia needle of medical science convenient operation, it is safe accurate.

Description

Medical clinical anesthetic needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a clinical anesthesia needle of medical science.

Background

Anesthesia is necessary preparation before an operation, and when anesthesia is performed on a patient, an anesthesiologist performs anesthesia medicine injection by using a syringe with a needle for multiple punctures, and an instrument for performing medicine injection on the patient is an anesthetic needle.

When the anesthetic needle is used for a patient, an anesthesiologist judges the depth of the needle head inserted into the patient to perform anesthesia, the injection depth of anesthetic is different, the anesthesia effect is different, and if the anesthesia depth does not meet the required requirement, the operation cannot be performed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a medical clinical anesthesia needle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a medical clinical anesthesia needle comprises a needle sleeve and a needle tube, wherein the needle tube is positioned at the inner end of the needle sleeve, a piston is movably sleeved at the inner end of the needle tube, a movable rod is fixedly arranged at the center of the front side of the piston, the front end of the movable rod penetrates through the needle tube and is communicated with the front side of the needle tube, a needle head is fixedly arranged at the center of the rear side of the needle tube, supporting rods are fixedly arranged on the side walls of the two sides of the middle tube body of the needle tube, gears are rotatably arranged at the ends of the two supporting rods far away from the needle tube, racks are fixedly arranged on the inner walls of the two sides of the needle sleeve, the two gears are respectively meshed and connected with the racks, the center of the upper end surface of the needle tube is fixedly provided with a movable block, the center of the upper end surface of the needle sleeve is provided with a movable hole, the upper end of the movable block penetrates through the movable hole to reach the upper end of the needle sleeve, and the scale strip is fixedly arranged on the upper end face of the needle sleeve at a position close to the movable hole.

As a further description of the above technical solution:

the positions of the two sides of the needle sleeve close to the center are fixedly provided with fixing rings.

As a further description of the above technical solution:

the needle body behind the needle head rest is provided with a plurality of through holes in an equidistant manner.

As a further description of the above technical solution:

the front end of the movable rod is fixedly provided with a pushing block.

As a further description of the above technical solution:

the needle sleeve and the needle tube are made of polypropylene materials.

As a further description of the above technical solution:

two of the fixing rings are ring-shaped.

The utility model discloses following beneficial effect has:

compare in current device, this novel clinical anesthesia needle of medical science can be accurate control syringe needle inject human degree of depth, now is that novice also can be quick study for it is safe more accurate when this novel clinical anesthesia needle of medical science gives patient's anesthesia.

Compare in current device, the through hole that this novel clinical anesthesia needle of medical science set up can disperse the anesthesia in the injection anesthesia for the human body absorbs the anesthesia more easily, makes this novel clinical anesthesia needle of medical science use more convenient.

Drawings

FIG. 1 is a front cross-sectional view of a medical clinical anesthetic needle according to the present invention;

FIG. 2 is a schematic front view of a medical clinical anesthetic needle according to the present invention;

fig. 3 is a schematic side sectional view of the medical clinical anesthetic needle provided by the present invention.

Illustration of the drawings:

1. a needle sleeve; 2. a needle head; 3. a through hole; 4. a piston; 5. a support bar; 6. a rack; 7. a pushing block; 8. a movable rod; 9. a needle tube; 10. a gear; 11. a fixing ring; 12. a movable hole; 13. a movable block; 14. a scale bar.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a clinical anesthesia needle for medical science comprises a needle sleeve 1 and a needle tube 9, wherein the needle tube 9 is positioned at the inner end of the needle sleeve 1, a piston 4 is movably sleeved at the inner end of the needle tube 9, the piston 4 is used for pushing anesthetic, a movable rod 8 is fixedly arranged at the center of the front side of the piston 4, the front end of the movable rod 8 penetrates through the needle tube 9 and is communicated with the front side of the needle tube 9, a needle head 2 is fixedly arranged at the center of the rear side of the needle tube 9, supporting rods 5 are fixedly arranged on the side walls of the two sides of a middle tube body of the needle tube 9, the supporting rods 5 are used for fixing gears 10, so that the gears 10 can more conveniently rotate, gears 10 are rotatably arranged at one ends of the two supporting rods 5 far away from the needle tube 9, racks 6 are fixedly arranged on the inner walls of the two sides of the needle sleeve 1, the two gears 10 are respectively meshed with the racks 6, a movable block 13 is fixedly arranged at the center of the upper end face of the needle tube 9, a movable hole 12 is formed in the center of the upper end face of the needle sleeve 1, the upper end of the movable block 13 penetrates through the upper end to the upper end of the needle sleeve 1, the upper end surface of the needle sleeve 1 is fixedly provided with a scale bar 14 at a position close to the movable hole 12.

The position that the needle cover 1 both sides are close to the center all fixedly is provided with solid fixed ring 11, gu fixed ring 11 conveniently holds needle cover 1, syringe needle 2 is equidistant form by the needle body of rear side and has seted up a plurality of through holes 3, through hole 3 can disperse the anesthetic, make the human body absorb more easily, the front end of movable rod 8 is fixed to be provided with and promotes piece 7, it conveniently promotes movable rod 8 to promote piece 7, needle cover 1 and needle tubing 9 comprise the polypropylene material, the polypropylene material is nontoxic harmless, make this novel clinical anesthesia needle of medical science use safer, two solid fixed ring 11 are the annular shape, the annular shape more makes things convenient for the finger operation.

The working principle is as follows: when using this novel clinical anesthesia needle of medical science, at first remove movable block 13 with the finger, movable block 13 drives the needle tubing 9 after removing and removes, and needle tubing 9 removes and drives syringe needle 2 and remove, drives bracing piece 5 when needle tubing 9 removes simultaneously and removes, and bracing piece 5 removes and drives the gear 10 rotatory. The gear 10 can move on the rack 6 after rotating, then the depth of the needle head 2 in the patient can be judged by observing the position between the movable block 13 and the scale bar 14, then the pushing block 7 is pushed, the pushing block 7 moves backwards to drive the movable rod 8 to move backwards, the movable rod 8 moves backwards to drive the piston 4 to move backwards, and the piston 4 moves backwards to push the anesthetic into the patient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a medical science clinical anesthesia needle, includes needle cover (1) and needle tubing (9), its characterized in that: the needle tube (9) is positioned at the inner end of the needle sleeve (1), the inner movable sleeve of the needle tube (9) is provided with a piston (4), the front side center of the piston (4) is fixedly provided with a movable rod (8), the front end of the movable rod (8) penetrates through the needle tube (9) and leads to the front side of the needle tube (9), the rear side center of the needle tube (9) is fixedly provided with a needle head (2), the side walls of the two sides of the middle tube body of the needle tube (9) are both fixedly provided with supporting rods (5), two ends, far away from the needle tube (9), of the supporting rods (5) are both rotatably provided with gears (10), the inner walls of the two sides of the needle sleeve (1) are both fixedly provided with racks (6), the gears (10) are respectively meshed with the racks (6), the center of the upper end face of the needle tube (9) is fixedly provided with a movable block (13), the center of the upper end face of the needle sleeve (1) is provided with a movable hole (12), the upper end of the movable block (13) penetrates through the upper end of the movable hole (12) and is communicated with the upper end of the needle sleeve (1), and a scale bar (14) is fixedly arranged on the upper end face of the needle sleeve (1) at a position close to the movable hole (12).

2. A medical clinical anaesthetic needle as claimed in claim 1 wherein: the positions of two sides of the needle sleeve (1) close to the center are fixedly provided with fixing rings (11).

3. A medical clinical anaesthetic needle as claimed in claim 1 wherein: the needle body of the needle head (2) close to the rear side is provided with a plurality of through holes (3) in an equidistant shape.

4. A medical clinical anaesthetic needle as claimed in claim 1 wherein: the front end of the movable rod (8) is fixedly provided with a pushing block (7).

5. A medical clinical anaesthetic needle as claimed in claim 1 wherein: the needle sleeve (1) and the needle tube (9) are made of polypropylene materials.

6. A medical clinical anaesthetic needle as claimed in claim 2 wherein: the two fixing rings (11) are in the shape of a circular ring.