CN206081233U - Liquid medicine syringe - Google Patents

Abstract

The utility model provides a liquid medicine syringe, is including being used for propelling actuating mechanism, cylinder and the syringe needle of liquid medicine, cylindrical shell, piston push rod that include actuating mechanism cavity and one end link up, the cylindrical shell upper end is equipped with battery and sound generating mechanism, piston push rod is last to be equipped with two contacts that can electrically conduct, piston push rod is equipped with and removes the contact of being connected with the wire break -make along with the push rod, the cylinder up end is equipped with the carrier post that is used for the processing circuit, the carrier post is equipped with the recess that transversely link up the carrier post, the recess intussuseption is filled with electrically conductive material, carrier post both sides are located to horizontal clamp of contact, the contact is just to the recess notch. The user can determine injection spray volume according to the prompt tone, has solved the inconvenient problem of reading that leads to because of the eyesight is relatively poor when old patient injects the liquid medicine by oneself, and easy operation, simultaneously, this liquid medicine syringe simple structure, manufacturing cost is lower, when being applied to diabetes mellitus patient insulin injection, has reduced diabetes mellitus patient's medical cost.

Description

A kind of medical fluid injector

Technical field

This utility model is related to a kind of medical apparatus and instruments, specially a kind of medical fluid injector.

Background technology

Insulin is a kind of polypeptide hormone of islet β cell, and human body disappearance insulin can make one to suffer from diabetes.Skin Lower insulin injection is a kind of common method for treating diabetes, in order that diabeticss more easily insulin injection, in State's utility application number 201220551271.2 discloses a kind of insulin syringe, and the syringe is by syringe needle and needle stand Between seal so that medicinal liquid is all injected in syringe needle, improve the accurate amount of patient's insulin injection medicinal liquid.But due to old age Patient is not easy to see the scale on the syringe clearly, frequently can lead to injection of insulin excessively or deficiency, has a strong impact on and control curative effect Really.

In order that gerontal patient is easy to observe insulin injection amount, Chinese utility model when subcutaneous insulin injections Number of patent application be 200820026810.4 disclose be easy to observe insulin syringe, the syringe be provided with amplifier dress Put, the scale on digital display sliding sleeve can be amplified by the device, be easy to the observation of old people.But old people is using the insulin When syringe, it is still desirable to recognize scale, during using process and its inconvenient and insulin injection, still easily injected Amount is not enough, have impact on the therapeutic effect of patient.

Utility model content

The purpose of this utility model is to provide a kind of medical fluid injector.The medical fluid injector has alarm and reminding function, It is mainly used in using during insulin injection for diabetics.Patient, can be with root when using the medical fluid injector insulin injection Judging injection volume, compared to conventional syringe, injection degree of accuracy is higher, operates simpler for the prompt tone sent according to syringe It is convenient, it is adaptable to the diabeticss of different age group.

For achieving the above object, this utility model provides following technical scheme:

A kind of medical fluid injector, including for propelling drive mechanism, syringe and the syringe needle of medicinal liquid, the drive mechanism includes Cylindrical shell, the piston push rod of hollow and one end insertion, the cylindrical shell upper end are provided with battery and sound-producing device, the electricity Pond is connected by wire with sound-producing device, and the piston push rod is provided with the contact being connected with wire break-make with push rod movement, piston It is provided with the conductive contact of two panels on push rod altogether；The syringe side is provided with for observing the scale of injecting liquid drug amount, the pin Cylinder upper surface is provided with for connecting the carrier post of circuit, and the carrier post is provided with the groove of lateral direction penetrating carrier post, the groove The interior scale filled with conductive materials, the flute pitch and syringe side is consistent, and the contact is laterally located in carrier Post both sides, the contact is just to groove notch.

Preferably, the groove is " work " shape groove.The design of work shape groove increases the contact surface of notch and conductive contact blade Product so that contact can connect circuit at once when the groove filled with conductive material is slipped over, triggers alarm reminder sounding, from And improve the accuracy of patient's liquid medicine injection amount.

Preferably, the groove is filled with graphite.Graphitic conductive is good, stable performance, so as to extend making for carrier post With the life-span and cause circuit connection it is sensitiveer.

Preferably, its upper end face is provided with the cylindrical hole for carrier post grafting.Patient when using the syringe, Carrier post can be inserted cylindrical hole；Carrier post can be removed when patient does not use, reduce the occupancy of the medical fluid injector Space.Dismountable carrier post can change the carrier post for damaging with convenient use person, so as to extend the medical fluid injector Service life.

Preferably, the housing is provided with battery case.Battery case can facilitate the placement of battery, prevent battery from dropping.

Preferably, the battery is button cell.Button cell it is readily replaceable and take up room it is little, so as to reduce this Medical fluid injector takes up room.

Preferably, the housing upper end is provided with go out acoustic aperture for distribute sound-producing device sound.Go out the design of acoustic aperture The sound that sound-producing device sends can be made to be discharged into the outer end of syringe so that prompt tone is louder.

The beneficial effects of the utility model are：

Medical fluid injector provided by the utility model can be used for multiclass medicinal liquid subcutaneous injection, be mainly used in diabeticss Subcutaneous insulin injections.The medical fluid injector is internally provided with sound-producing device, when patient pushes down on housing, piston push rod On contact and carrier post on arrange conductive material contact, so as to connect circuit, send prompt tone.User can be according to carrying Show sound to judge the amount of liquid medicine injected.When aged patients with diabetes mellitus voluntarily insulin injection, due to the medical fluid injector With prompt tone vocal function, make gerontal patient be not in because vision is poor cause reading inconvenient the problems such as so that The insulin injection for diabetics amount is more accurate, more convenient to operate；Meanwhile, the medical fluid injector is only in ordinary syringe On the basis of increased sound-producing device with the corresponding carrier post of syringe scale and for sounding etc., compared to insulin on market Automatic injector, structure are simpler, and production cost is lower, greatly reduce the medical treatment cost of diabeticss.

Description of the drawings

Structural representations of the Fig. 1 for the present embodiment Chinese medicine liquid syringe；

Structural representations of the Fig. 2 for the present embodiment Chinese medicine liquid syringe；

The top view of Fig. 3 Fig. 1；

Structural representations of the Fig. 4 for the present embodiment Chinese medicine liquid syringe；

Fig. 5 is the structural representation of carrier post in the present embodiment；

Fig. 6 be the present embodiment in along line A-A sectional view；

Fig. 7 be the present embodiment in along line B-B sectional view；

Fig. 8 is the structural representation of syringe in the present embodiment.

In figure：1st, housing, 11, battery case, 12, go out acoustic aperture, 2, syringe, 3, syringe needle, 4, piston push rod, 41, contact, 42, Carrier post, 420, groove.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1 to Fig. 8 is referred to, the present embodiment provides a kind of technical scheme：

The present embodiment is so that diabeticss are using the medical fluid injector as an example.

As shown in Figures 1 to 3, the medical fluid injector top is hollow and the housing of one end insertion 1, and patient can grasp Needle tubing 3 is inserted vein by housing 1, and housing 1 is lentamente pushed away along syringe 2 downwards, whenever the amount of insulin of injection is through one During unit, 1 upper end sounding groove 12 of housing distributes alarm sound, and patient can judge oneself according to the number of times of prompt tone The amount of insulin of injection, gerontal patient worry insulin injection excess also without 2 high scale of syringe is noted at any time.

As also shown in e.g. figs. 4-7, the drive mechanism of the medical fluid injector also includes the piston push rod 4 inside housing 1, living Contact 41 is additionally provided with plug push rod 4, sound-producing device and battery case is also equipped with 1 upper end of housing.Sound-producing device, battery, two Piece contact 41 constitutes loop by wire, and two panels contact 41 is connected to wire two, and wire is placed in inside piston push rod. When user pushes down on housing 1, the conduction material filled inside the groove 420 that two panels contact 41 is provided with carrier post 42 respectively Material contact, so as to closed-loop path, triggers sound-producing device sounding, and when piston push rod 4 continues to move down, contact 4 leaves carrier The groove 420 that post 42 is provided with, as no conducting medium is connected between two panels isolation contact 41 so that loop disconnects, and works as contact 41 when moving at next groove 420, and circuit ON, sound-producing device send prompt tone again.Because of scale and pin on carrier post 42 Scale on cylinder 2 is consistent, so user often injects the insulin of a unit, sound-producing device can all send prompt tone. Patient can judge the amount of insulin injected according to prompt tone, both solved old man patient and be difficult to observe 2 scale of syringe Problem, also so that patient's injection volume is more accurate, and the pancreas medical fluid injector be adapted to different age group patient voluntarily inject, Operation is very simple.

As shown in figure 8, carrier post 42 is detachably provided with syringe 2, when patient does not use the medical fluid injector, can be with Carrier post 42 is removed, the occupancy volume of the medical fluid injector is reduced, convenient use person carries, can be by when patient does not use Carrier post 42 is removed, and reduces taking up room for the medical fluid injector.Dismountable carrier post 42 can be changed with convenient use person The carrier post 42 of damage, so as to extend the service life of the medical fluid injector.

Although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art comes Say, which still can be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered Row equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should It is included within protection domain of the present utility model.

Claims (7)

1. a kind of medical fluid injector, including for propelling drive mechanism, syringe (2) and the syringe needle (3) of medicinal liquid, it is characterised in that： The drive mechanism includes the cylindrical shell (1) of hollow and one end open, piston push rod (4), cylindrical shell (1) upper end Battery and sound-producing device are provided with, the battery is connected by wire with sound-producing device, the piston push rod (4) is provided with moves with push rod The dynamic contact (41) being connected with wire break-make, is provided with the conductive contact of two panels (41) altogether on piston push rod (4)；

Syringe (2) side is provided with for observing the scale of injecting liquid drug amount, and syringe (2) upper surface is provided with for connecting The carrier post (42) of circuit, the carrier post (42) are provided with the groove (420) of lateral direction penetrating carrier post (42), the groove (420) in, the scale filled with conductive materials, groove (420) spacing and syringe (2) side is consistent, the contact (41) carrier post (42) both sides are laterally located in, the contact (41) is just to groove (420) notch.

2. a kind of medical fluid injector according to claim 1, it is characterised in that：The groove (420) is " work " shape groove.

3. a kind of medical fluid injector according to claim 1, it is characterised in that：The groove (420) is filled with graphite.

4. a kind of medical fluid injector according to claim 1, it is characterised in that：Syringe (2) upper surface is provided with for carrying The cylindrical hole of scapus grafting.

5. a kind of medical fluid injector according to claim 1, it is characterised in that：The housing (1) is provided with battery case (11).

6. a kind of medical fluid injector according to claim 1, it is characterised in that：The battery is button cell.

7. a kind of medical fluid injector according to claim 1, it is characterised in that：Housing (1) upper end be provided with for Distribute sound-producing device sound goes out acoustic aperture (12).