CN215690634U

CN215690634U - Dosage-controllable anesthetic syringe

Info

Publication number: CN215690634U
Application number: CN202122319779.1U
Authority: CN
Inventors: 姚菊
Original assignee: Affiliated Hospital of Nantong University
Current assignee: Affiliated Hospital of Nantong University
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-01
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of anesthetic syringes, in particular to a controllable-dose anesthetic syringe, which comprises a shell, wherein a push block is arranged on the side wall of the shell, a stop block is arranged at one end of the push block, the stop block is positioned in the shell, the push block penetrates through the outer wall of the shell and is arranged outside the shell, a detachable needle head is arranged at the bottom of the shell, a groove can be covered after the stop block pushes, the groove is circularly and symmetrically distributed on the shell, thread grooves are arranged at two sides of the groove, an inner shell is arranged in the shell, the inner shell is slidably connected with the shell through a limiting block, a push-pull rod is arranged in the inner shell, and the push-pull rod comprises a push handle, a rod body and a rubber plug. The patient is more accurately anesthetized.

Description

Dosage-controllable anesthetic syringe

Technical Field

The utility model relates to the technical field of anesthetic syringes, in particular to an anesthetic syringe with controllable dose.

Background

Anesthesia is reversible functional suppression of the central and peripheral nervous systems, which is produced by drugs or other methods, and generally speaking, even if a patient loses sensation temporarily in whole or part to achieve painless purpose of operation treatment, so hospitals need to take anesthetics when performing operations.

The existing injector for anesthetic injection has a single structure and does not have the function of anesthetic metering control, a doctor needs to pay attention to the amount of metering in the anesthetic process, the use feeling is poor, and the market demand is not met.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a controllable dosage anesthetic injector that solves the problems set forth above in the background art.

In order to achieve the purpose, the utility model provides an anesthetic injector with controllable dose, which comprises an outer shell, wherein a push block is arranged on the side wall of the outer shell, a stop block is arranged at one end of the push block, the stop block is positioned in the outer shell, the push block penetrates through the outer wall of the outer shell and is arranged outside the outer shell, a detachable needle head is arranged at the bottom of the outer shell, the stop block can cover a groove after being pushed, the groove is circularly and symmetrically distributed on the outer shell, thread grooves are formed in two sides of the groove, an inner shell is arranged in the outer shell, the inner shell is slidably connected with the outer shell through a limiting block, a push-pull rod is arranged in the inner shell, and the push-pull rod comprises a push handle, a rod body and a rubber plug.

As a further improvement of the technical solution, a circular first opening is arranged at the upper end of the outer shell, a second opening is arranged at the upper end of the inner shell inside the outer shell, and the size of the second opening is smaller than that of the first opening.

As a further improvement of the technical scheme, the scale marks are arranged on one side of the shell and correspond to the grooves.

As a further improvement of the technical scheme, the thread grooves are provided with a plurality of threads, and the thread grooves are in threaded connection with the limiting blocks.

As a further improvement of the technical scheme, the size of the limiting block is matched with that of the groove, and the limiting block is clamped and matched with the groove.

As a further improvement of the technical scheme, the push handle is fixedly arranged at the upper end of the push-pull rod, the bottom of the rod body is fixedly connected with the rubber plug, the size of the rubber plug is larger than that of the bottom end of the inner shell, and the rubber plug is tightly attached to the inside of the outer shell.

As a further improvement of the technical scheme, a spring is sleeved at the bottom of the rod body and is positioned between the rubber plug and the lower end of the inner shell, and the size of the spring is matched with that of the lower end of the inner shell.

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

among this steerable dose anesthesia syringe, through the improvement to the syringe for can control the measurement of anesthesia medicament in the anesthesia process, improve work efficiency for the anesthesiologist, also can reduce the medical accident simultaneously, the anesthesia is carried out for the patient of more accurate, and the anesthesia syringe of steerable measurement more accords with the demand in market, for the user with by the user bring convenience.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a side view of the structure of the casing according to embodiment 1 of the present invention;

FIG. 3 is a side sectional view of the housing structure of embodiment 1 of the present invention;

FIG. 4 is a top view structural diagram of the housing structure of embodiment 1 of the present invention;

fig. 5 is an exploded view of the entire structure of embodiment 1 of the present invention.

The various reference numbers in the figures mean:

1. a housing; 11. a first opening; 12. a push block; 13. a stopper; 14. scale lines; 15. a groove; 16. a thread groove; 2. an inner shell; 21. a second opening; 22. a limiting block; 3. a push-pull rod; 31. a push handle; 32. a rod body; 33. a spring; 34. a rubber stopper; 4. a needle.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to 5, the present embodiment provides an anesthetic injector capable of controlling a dose, including an outer shell 1, a push block 12 is disposed on a side wall of the outer shell 1, a stopper 13 is mounted at one end of the push block 12, the stopper 13 is located inside the outer shell 1, the push block 12 passes through an outer wall of the outer shell 1 and is disposed outside the outer shell 1, a detachable needle 4 is disposed at a bottom of the outer shell 1, the stopper 13 can cover a groove 15 after being pushed, the groove 15 is circularly and symmetrically distributed on the outer shell 1, thread grooves 16 are disposed at two sides of the groove 15, an inner shell 2 is disposed inside the outer shell 1, the inner shell 2 is slidably connected to the outer shell 1 through a stopper 22, a push-pull rod 3 is disposed inside the inner shell 2, and the push-pull rod 3 includes a push handle 31, a rod body 32, and a rubber plug 34.

This embodiment, set up ejector pad 12 at the shell 1 lateral wall, ejector pad 12 one end installation dog 13, dog 13 is located inside shell 1, ejector pad 12 is located the shell 1 outside, ejector pad 12 and dog 13 can make a round trip to slide in shell 1 through the sliding tray of shell 1 outside installation, syringe needle 4 that shell 1 bottom set up can be dismantled, and is convenient for change, can cover recess 15 that does not need after dog 13 promotes, leave recess 15 that will use, recess 15 sets up in the inside both sides of shell 1, recess 15 both sides have set up thread groove 16 simultaneously, thread groove 16 is unanimous with the inside radian of shell 1, there is inner shell 2 shell 1 inside, shell 1 passes through stopper 22 and inner shell 2 threaded connection, the push-and-pull rod 3 that can reciprocate that inner shell 2 inside set up, push-pull rod 3 includes circular pushing handle 31, long column type rod body 32 and circular rubber stopper 34.

In order to facilitate the rotation of the inner shell 2, the first opening 11 is circular, and the size of the first opening 11 is smaller than that of the second opening 21, which not only facilitates the rotation of the inner shell 2, but also prevents the inner shell 2 from falling into the inner cavity of the outer shell 1.

For precise anesthetic dosage, graduation marks 14 are arranged on the outer side of the housing 1, the graduation marks 14 correspond to the grooves 15, and the grooves 15 are arranged in precise correspondence with the graduation marks 14.

In order to realize the moving function of the inner shell 2, a plurality of thread grooves 16 are arranged, the limiting blocks 22 are clamped in the thread grooves 16, and when the second opening 21 is rotated, the inner shell 2 can freely slide up and down in the outer shell 1 through the sliding of the limiting blocks 22 in the thread grooves 16.

In order to be accurate spacing, the size of stopper 22 sets to the size looks adaptation with recess 15, can let stopper 22 joint in recess 15, can drive 2 lower extreme stoppers 22 of inner shell when rotating second opening 21 at the 16 internal rotations of thread groove, rotates recess 15 department and can independently joint recess 15, with second opening 21 antiport when not needing the joint, stopper 22 can break away from recess 15.

In order to ensure the effect of the anesthetic when the anesthetic is inhaled, the upper end of the inner push-pull rod 3 is fixedly provided with a push handle 31 which is convenient to push and pull, the lower end of the rod body 32 is provided with a rubber plug 34 which is attached to the inside of the shell 1, and the anesthetic can only enter the inner space between the rubber plug 34 and the shell 1.

For the better implementation of limit function, embolia spring 33 at body of rod 32 bottom, spring 33 is between rubber stopper 34 and inner shell 2 bottom, and spring 33 size is unanimous with inner shell 2 lower extreme size, and spring 33 can stably contract downwards when guaranteeing body of rod 32 to promote, realizes accurate location through the flexible of spring 33.

When the anesthetic injector for controlling the dosage is used specifically, after the needed anesthetic dosage is determined, the push block 12 on the side surface of the outer shell 1 is pushed, the groove 15 which does not need to be buckled is shielded by the stop block 13, the second opening 21 is rotated, the inner shell 2 is stretched by the spring 33 when rotating downwards, the limit block 22 on the inner shell 2 is buckled in the groove 15 through the thread groove 16, at the moment, the push-pull rod 3 can only be pulled to the position when sucking the anesthetic upwards, the dosage is controlled, and the anesthetic is pushed into a patient body through the needle head 4 by pushing the push handle 31.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A controllable dose anesthetic injector comprising a housing (1), characterized in that: the utility model discloses a novel push-pull type medical instrument, including shell (1), push block (12), dog (13) are installed to the one end of push block (12), dog (13) are located inside shell (1), push block (12) pass shell (1) outer wall and set up in shell (1) outside, shell (1) bottom sets up detachable syringe needle (4), can cover recess (15) after dog (13) promote, recess (15) become circular symmetric distribution on shell (1), recess (15) both sides set up thread groove (16), the inside of shell (1) sets up inner shell (2), inner shell (2) through stopper (22) with shell (1) sliding connection, the inside push-pull rod (3) that sets up of inner shell (2), push-pull rod (3) are including pushing away handle (31), the body of rod (32) and rubber stopper (34).

2. The controllable dose anesthesia injector of claim 1, wherein: the utility model discloses an outer shell (1) is including shell (1), shell (1) upper end sets up first circular shape opening (11), inside shell (1) inner shell (2) upper end sets up second opening (21), the size of second opening (21) is less than the size of first opening (11).

3. The controllable dose anesthesia injector of claim 2, wherein: scale marks (14) are arranged on one side of the shell (1), and the scale marks (14) correspond to the grooves (15).

4. The controllable dose anesthesia injector of claim 3, wherein: the thread groove (16) is provided with a plurality of threads, and the thread groove (16) is in threaded connection with the limiting block (22).

5. The controllable dose anesthesia injector of claim 4, wherein: the size of stopper (22) with the size looks adaptation of recess (15), stopper (22) with recess (15) joint cooperation.

6. The controllable dose anesthesia injector of claim 1, wherein: the push handle (31) is fixedly arranged at the upper end of the push-pull rod (3), the bottom of the rod body (32) is fixedly connected with the rubber plug (34), the size of the rubber plug (34) is larger than that of the bottom end of the inner shell (2), and the rubber plug (34) is tightly attached to the inner portion of the outer shell (1).

7. The controllable dose anesthesia injector of claim 6, wherein: a spring (33) is sleeved at the bottom of the rod body (32), the spring (33) is located between the rubber plug (34) and the lower end of the inner shell (2), and the size of the spring (33) is matched with that of the lower end of the inner shell (2).