CN213158504U

CN213158504U - Accurate medicine syringe

Info

Publication number: CN213158504U
Application number: CN202021305174.6U
Authority: CN
Inventors: 石真利; 刘俐; 杨梅; 江芙玲; 卢雅莉; 何静
Original assignee: First Affiliated Hospital of PLA Military Medical University
Current assignee: First Affiliated Hospital of PLA Military Medical University
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-05-11
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to an accurate medicine syringe, including cylinder, piston, syringe needle and the syringe needle cover that communicates the setting with the cylinder bottom, the syringe needle intercommunication sets up in the bottom of syringe needle cover, the piston passes through the connecting rod activity and stretches out and draws back in the inside of cylinder, the opening that the connecting rod activity of being convenient for is flexible is seted up at the top of cylinder, the top of connecting rod is provided with the clamp plate that the hand of being convenient for was pressed, the bottom of piston is provided with the rubber convex block with the inboard looks block of syringe needle cover. The utility model discloses a cooperation of piston, rubber lug and syringe needle cover is used, and this application technical scheme has solved the traditional syringe that gastroenterology used through linking up and compact structure, in clinical practice, has the liquid medicine to be detained in syringe needle cover inboard and unable exhaust problem, the improvement of very big limit this application technical scheme's novelty, avoid the inside liquid medicine of cylinder to appear not using completely and the extravagant condition as far as.

Description

Accurate medicine syringe

Technical Field

The utility model relates to the technical field of medical tools, concretely relates to accurate medicine syringe.

Background

With the continuous development of the times, a medical tool gradually becomes one of the key directions concerned by the contemporary society, wherein an injector used in the department of gastroenterology is one of the common tools used in the department of gastroenterology, however, the injector in the department of gastroenterology at present has certain disadvantages in clinical practice, and the occurrence of the disadvantages causes that the injector in the traditional department of gastroenterology cannot meet the high-standard use requirement in the medical field at present, and the disadvantages of the injector in the traditional department of gastroenterology are specifically described as follows:

in the actual use process of a traditional syringe for the department of gastroenterology, the situation that the liquid medicine inside the traditional syringe for the department of gastroenterology is wasted and cannot be used completely often occurs, the liquid medicine is very easy to be retained in a soft needle sleeve at the end part of the syringe in a small amount in the injection process and cannot be discharged, and the situation that the liquid medicine used in the department of gastroenterology is wasted frequently occurs directly.

It can be seen that there is a great need in the medical field to design a new syringe for gastroenterology to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an accurate medicine injector to solve the problem that the liquid medicine is easily discharged completely and wasted when the prior art injector is used.

The utility model discloses a following technical scheme realizes:

accurate medicine syringe, including cylinder, piston, syringe needle and the syringe needle cover that sets up with cylinder bottom intercommunication, the syringe needle intercommunication sets up in the bottom of syringe needle cover, the piston passes through the connecting rod activity and stretches out and draws back in the inside of cylinder, the opening that the connecting rod activity of being convenient for is flexible is seted up at the top of cylinder, the top of connecting rod is provided with the clamp plate that the hand of being convenient for was pressed, the bottom of piston is provided with the rubber lug with the inboard looks block of syringe needle cover, works as during piston compression liquid injection, rubber lug can go deep into the inboard of syringe needle cover for the syringe needle cover is inboard to remain the liquid medicine and pressurize.

Further, the syringe also comprises a protection piece for preventing light and insulating heat of the syringe.

Furthermore, the protection piece comprises a protection shell detachably arranged on the outer side of the needle cylinder, the protection shell is of a hollow structure with openings at the top and the bottom, and the hollow inner side of the protection shell can form an encircling shape on the needle cylinder.

Further, the protective shell is formed by integrally arranging a light-proof material and a heat insulation material.

Furthermore, the protective shell is detachably fixed on the outer side of the needle cylinder through a locking piece.

Further, the retaining member includes that the encircleing sets up in the needle cylinder outside accept the board and set up in the elasticity spacing key in the protecting crust outside, it is open-top's hollow structure to accept the board, the surface of accepting the board is seted up and is accepted the inboard spacing hole that is linked together of board cavity, the protecting crust can extend to the cavity of accepting the board inboard through the open-top of accepting the board, and the inboard in elasticity spacing key block to spacing hole to can be fixed the protecting crust for it.

The beneficial effects of the utility model reside in that:

the utility model discloses a piston, rubber lug and syringe needle cover's cooperation is used, when piston motion pressurizes the inside liquid medicine of cylinder, rubber lug can move thereupon along with piston motion, when the piston pushes down to the inside bottom of cylinder, rubber lug screens in the inside of syringe needle cover just, can pressurize the discharge to syringe needle cover inboard residual liquid medicine, this application technical scheme is through linking up and compact structure, it has the liquid medicine to be detained in syringe needle cover inboard and unable exhaust problem to have solved traditional syringe, the improvement of very big limit this application scheme's novelty, avoid the inside liquid medicine of cylinder to appear not using completely and the extravagant condition as far as possible. Meanwhile, in the process of preparing the liquid medicine, the liquid medicine can be completely and accurately added into the liquid.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

fig. 3 is a third perspective view of the present invention;

FIG. 4 is a front partial sectional view of the syringe of the present invention;

fig. 5 is a schematic view of a local structure of the protective shell of the present invention.

In the figure: 1. a needle head; 2. a needle cover; 3. a needle cylinder; 4. a connecting rod; 5. a piston; 6. a rubber bump; 7. pressing a plate; 8. a guard; 801. a protective shell; 9. a locking member; 901. a bearing plate; 902. an elastic limit key; 10. a light-proof material; 11. and (4) a heat insulation material.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the above description of the present invention, it should be noted that the terms "one side" and "the other side" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

Referring to fig. 1-5, the present invention provides a technical solution: an accurate medicine injector comprises a needle cylinder 3, a piston 5, a needle 1 and a needle cover 2 communicated with the bottom of the needle cylinder, wherein the needle is communicated with the bottom of the needle cover, the piston is movably extended in the needle cylinder through a connecting rod 4, an opening convenient for the connecting rod to movably extend is arranged at the top of the needle cylinder 3, a pressing plate 7 convenient for hand pressing is arranged at the top of the connecting rod 4, a rubber lug 6 clamped with the inner side of the needle cover is arranged at the bottom of the piston, when the piston compresses liquid for injection, the rubber lug can go deep into the inner side of the needle cover for pressurizing residual liquid medicine at the inner side of the needle cover, when medical staff needs to inject the liquid medicine into a patient, the liquid medicine can be firstly pumped into the needle cylinder (the operation is the prior art in the field), then the needle is inserted into the patient, and the pressing plate is pressed, so that the piston is driven to be pressed downwards through the, at the moment, the piston is continuously pressed downwards, the rubber bump can be pressed downwards to the inner side of the needle head cover, and the residual liquid medicine on the inner side of the needle head cover can be pressurized, so that the phenomenon that the residual liquid medicine on the inner side of the needle head cover cannot be discharged is avoided.

The utility model discloses in: the syringe also comprises a protection part 8 for preventing light and insulating heat for the syringe, wherein the protection part can be used for avoiding the problem that the liquid medicine in the syringe is deteriorated due to overhigh external temperature or overlarge light.

The utility model discloses in: the protection part 8 is including dismantling the protecting crust 801 that sets up in the cylinder outside, and the protecting crust is top and bottom open-ended hollow structure, and the cavity inboard of protecting crust can form to encircle the form to the cylinder, and here can dismantle the protecting crust and set up in the outside of cylinder, and one can reach the purpose that the lightproof separates the temperature, and the two still can dismantle the protecting crust after the cylinder finishes using, installs on the brand-new cylinder that does not use to in the cycle use to the protecting crust.

The utility model discloses in: the protective shell is formed by integrally arranging a light-proof material 10 and a thermal insulation material 11, and the requirements of the liquid medicine on temperature and light during storage can be met by special arrangement of the protective shell with further reference to the attached drawing 5 in the specification.

The utility model discloses in: the protecting crust can be fixed on the outside of the needle cylinder through the locking piece 9 in a detachable way, and the protecting crust can be further disassembled and assembled by the locking piece.

The utility model discloses in: the locking piece 9 comprises a bearing plate 901 arranged on the outer side of the syringe in a surrounding way and an elastic limit key 902 arranged on the outer side of the protective shell, the bearing plate is of a hollow structure with an open top, a limit hole communicated with the hollow inner side of the bearing plate is arranged on the outer surface of the bearing plate, the protective shell can extend to the hollow inner side of the bearing plate through the open top of the bearing plate, and the elastic limit key is clamped to the inner side of the limit hole, so as to fix the protection shell, and reference can be made to the attached figure 2 of the specification, after the protective shell is clamped at the hollow inner side of the bearing plate, the elastic limit key can be clamped at the inner side of the limit hole, thereby achieving the purpose of fixing the protective shell, the elastic limit key mentioned in the application is in the granted published utility model of building construction simulation device based on BIM (CN208281424U), the structure principle of the elastic limit key is disclosed, and therefore, the repeated description of the structure principle is not repeated in the application.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. Accurate medicine syringe, including cylinder, piston, syringe needle and the syringe needle cover that sets up with cylinder bottom intercommunication, the syringe needle intercommunication sets up in the bottom of syringe needle cover, the piston passes through the connecting rod activity and stretches out and draws back in the inside of cylinder, its characterized in that: the top of the needle cylinder is provided with an opening convenient for the connecting rod to movably stretch, the top of the connecting rod is provided with a pressing plate convenient for hands to press, the bottom of the piston is provided with a rubber bump clamped with the inner side of the needle head sleeve, and when the piston compresses liquid for injection, the rubber bump can go deep into the inner side of the needle head sleeve and is used for pressurizing residual liquid medicine on the inner side of the needle head sleeve.

2. The precision medication injector of claim 1, wherein: and the syringe also comprises a protective part for preventing light and insulating heat for the syringe.

3. The precision medication injector of claim 2, wherein: the protection piece is including dismantling the protective housing who sets up in the cylinder outside, the protective housing is top and open-ended hollow structure in bottom, the hollow inboard of protective housing can form to encircle the form to the cylinder.

4. The precision medication injector of claim 3, wherein: the protective shell is formed by integrally arranging a light-proof material and a heat insulation material.

5. The precision medication injector of claim 3 or 4, wherein: the protective shell is detachably fixed on the outer side of the needle cylinder through a locking piece.

6. The precision medication injector of claim 5, wherein: the retaining member includes that the encircleing sets up in the needle cylinder outside accept the board and set up in the elasticity spacing key in the protecting crust outside, it is open-top's hollow structure to accept the board, the surface of accepting the board is seted up and is accepted the inboard spacing hole that is linked together of board cavity, the protecting crust can extend to the cavity of accepting the board inboard through the open-top of accepting the board, and the inboard in elasticity spacing key block to spacing hole to can be fixed with the protecting crust for it.