CN205515570U

CN205515570U - Dispensing apparatus

Info

Publication number: CN205515570U
Application number: CN201620147326.1U
Authority: CN
Inventors: 张巍
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-26
Filing date: 2016-02-26
Publication date: 2016-08-31
Anticipated expiration: 2026-02-26

Abstract

The utility model relates to a dispensing apparatus, comprising a housing, the casing front end has the accommodation space who is used for the holding syringe, shell backend is provided with the drive arrangement of the push -and -pull rod front and back translation of drive syringe, its characterized in that: the opening that supplies syringe needle to wear out is seted up to the front end of casing, just still is provided with at this opening part to block the piece, will syringe needle's root blocks after this blocks the piece, and the head of the head that only let the acupuncture needle remain at a certain point is overhanging, compares with prior art, the utility model has the advantages of, syringe needle break away from with the syringe because of stopping of being stopped is unable, stops that the axis direction that a perpendicular to syringe needle plug goes out the syringe just can press the root at the syringe needle of syringe, can prevent effectively that the syringe needle can be along the dispensing to coming off to prevent to have the security height because of the pollution problem that the syringe needle drops and brings, simple structure shortens and joins in marriage the liquid time, improves medical staff work efficiency's characteristics.

Description

Dispenser

Technical field

This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of dispenser.

Background technology

In the middle of the routine work of hospital care, dosing is a critically important job, according to the requirement of different patient's medications, Need to be formulated in infusion bottle different medicines respectively, then be input in patient body.During making up a prescription, shape in medicine bottle Becoming certain vacuum, draw syringe push-pull bar to be extracted out by medicinal liquid outside needing firmly, working strength is big.To this end, people Have developed the dispensing machine made up a prescription specially.Such as Patent No. ZL200720103640.0 (notification number is CN201006084Y) Chinese utility model patent " medical use dispensing device " disclose such a by housing, micromachine, transmission and traction dress Putting, the dispenser of detent mechanism composition, micromachine and actuating device are positioned at housing, and housing forward end is for for fixing note The cabin of emitter, transmission and traction apparatus are mainly made up of lead screw transmission mechanism, and the screw mandrel of front end is simultaneously as tractive unit Part can enter in the hollow hole of syringe push-pull bar, feed screw nut's end with the draw-in groove matched with the push-pull bar of syringe, Micromachine controls transmission and the motion of traction apparatus, thus drive the push-pull bar anterior-posterior translation of syringe with complete suction and Liquid medicine injection, it addition, dispenser front end be not provided with lock syringe needle locking device, in use due to The needle portion of syringe is directly directly to be socketed on drain pipe by needle holder, such syringe needle and syringe The connection of body is the most firm, in inhaling medicine or injection process, due to reasons such as internal pressure are excessive, sometimes there will be The phenomenon that syringe needle comes off, the pollution problem brought to prevent syringe needle from coming off, need existing dispensing machine is made further Improve.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of syringe to be inserted in for above-mentioned prior art present situation Make up a prescription in support, the dispensing machine of syringe needle difficult drop-off.

The technical scheme that the above-mentioned technical problem of this utility model solution is used is: this dispenser, includes housing, described Housing forward end has the receiving space for housing syringe, before described housing rear end is provided with the push-pull bar driving syringe The driving means of rear translation, it is characterised in that: the front end of described housing offers the opening passed for syringe needle, and Being additionally provided with block piece at this opening part, after the root of described syringe needle is blocked in this block piece, and only let the acupuncture needle remain at a certain point The head of head is overhanging.

Described block piece can also be an individual components, it would however also be possible to employ following Degenerate Λ type three level atom: described housing includes Having upper shell and the lower house of mutually fastening, the front end of described lower house has lower connection wall, and this lower connection wall offers U-shaped through hole is as described opening；The front end of described upper shell connects wall, connection on this on correspondence position has The block convex under downwardly extending of wall is as described block piece.

In order to open upper shell more easily, place or remove syringe, described upper shell and lower house can wherein one Individual side is hinged, described upper shell chimb outside the middle part of another side is outward extended with prominent described lower house, Described lower house forms groove in the position of corresponding described chimb, and described upper shell sets in the position of neighbouring described chimb It is equipped with Magnet, and described lower house is provided with, in the position of neighbouring described groove, the iron block interacted with Magnet.So, In use, as long as overcoming the magnetic force between Magnet and iron block, upper shell is opened by the most hand-holdable chimb, has operation side Just feature.

Compared with prior art, the utility model has the advantage of, syringe needle cannot be with because of the stop of the block piece that is obstructed Syringe departs from, and block piece is perpendicular to syringe needle and plugs out the axis direction of syringe and can be pressed in the root of syringe needle of syringe, Syringe needle can be effectively prevented can come off along direction of making up a prescription, to prevent the pollution problem brought because syringe needle comes off, there is peace Quan Xinggao, simple in construction, shortens liquid preparation time, improves the feature of medical worker's work efficiency.

Accompanying drawing explanation

Fig. 1 is the structural representation (omitting syringe needle) of this utility model embodiment；

Fig. 2 is the decomposition texture schematic diagram of one angle of this utility model embodiment；

Fig. 3 is the decomposition texture schematic diagram (omitting syringe needle) of this utility model another angle of embodiment.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.

As shown in Figures 1 to 3, this dispensing machine includes housing 1, and housing 1 front end has the receiving for housing syringe 3 Space 2, housing 1 rear end is provided with the driving means 7 of push-pull bar 31 anterior-posterior translation driving syringe 3, driving herein Motivation structure 7 is conventional motor and drive mechanism, and drive mechanism is mainly by synchronous pulley, transmission band, screw mandrel and screw mandrel spiral shell Female composition, motor controls the motion of drive mechanism, and the centre bore of syringe 3 push-pull bar 31 coordinates with screw mandrel, and screw mandrel passes through Synchronous pulley and transmission band are connected with the clutch end of motor, by electric machine rotation drive screw mandrel rotate so that it is on silk Stem nut moves push-pull bar 31 post-tensioning driving syringe 3, is sucked in needle tubing by medicinal liquid, then makes electricity by and off switch 8 Machine inverts, and the push-pull bar 31 of pushing syringe 3 advances, and the medicinal liquid in syringe 3 is injected into the transfusion of patient infusion In Ping, by inhaling, push through journey more, by patient need to several medicines be rapidly injected in infusion bottle and carry out dosing.And housing 1 Front end offer the opening that can pass for syringe 3 syringe needle 32, and be additionally provided with block piece at this opening part, will injection After the root 321 of device 3 syringe needle 32 is blocked in this block piece, and only let the acupuncture needle remain at a certain point 32 head 322 overhanging.This enforcement In example, housing 1 includes the upper shell 11 and lower house 12 being hinged, and the front end of lower house 12 has lower connection wall 121, lower connection wall 121 offers U-shaped through hole 122 to be had at correspondence position as opening, the front end of upper shell 11 Having upper connection wall 111, block 4 convex under upper connection wall 111 is downwardly extending along through hole 122 direction is as stop Part, the syringe 3 parts in addition to syringe needle are contained in the receiving space 2 limited by lower connection wall 121 and upper connection wall 111 In, owing to upper shell 11 is hinged with lower house 12, when upper shell 11 fits with lower house 12, i.e. block 4 Can enter in opening and be the opening reducing lower connection wall 121, the approach axis of block piece is and is perpendicular to syringe needle 32 and plugs Go out the axis direction of syringe 3, therefore the block 4 of upper shell 11 is when entering in lower house 12 opening, injection The device 3 parts in addition to syringe needle 32 are because being gone out abjection by lower connection wall 121 and the stop of upper connection wall 111 from dispensing machine.

It addition, be preferably to open upper shell 11, place or remove syringe 3, upper shell 11 and lower house 12 at it In a side be hinged, the upper shell 11 chimb outside the middle part of another side is outward extended with prominent lower house 12 112, lower house 12 forms groove 123 in the position of corresponding chimb 112, and upper shell 11 is arranged adjacent to chimb 112 There is Magnet 5, and lower house 12 adjacent recess 123 is provided with the iron block 6 interacted with Magnet 5.Open upper shell 11 Time, only the magnetic force between Magnet 5 and iron block 6, hand-held chimb 112 need to be overcome to be opened by upper shell 11.

Syringe 3, in use, open the upper shell 11 of housing 1, is positioned over the receiving space of housing 1 by this dispenser In 2, the centre bore of syringe 3 push-pull bar 31 coordinates with screw mandrel, and the baffle ring at syringe 3 push-pull bar 31 rear portion is fixed on silk In the draw-in groove of stem nut front end, syringe 3 rear portion is placed in stopper slot, under syringe needle 32 position, syringe 3 front end is fixed on In the U-shaped through hole 122 of housing 12, make syringe 3 be completely fixed in Medical liquid mixer, close upper shell 11 and utilize The root 321 of syringe needle 32 is fixed by the block 4 of upper shell 11, and the parts outside syringe needle 32 all limit lower connection wall 121 With in upper connection wall 111, finally the syringe needle 32 of syringe 3 is inserted in the medicinal liquid needing mixture, press the electricity on housing 1 Source switch 8, makes electric machine rotation, drives the screw mandrel in Medical liquid mixer to rotate so that it is on feed screw nut move, drive note Push-pull bar 31 post-tensioning of emitter 3, sucks medicinal liquid in needle tubing, then makes motor reversal, pushing syringe by and off switch The push-pull bar 31 of 3 advances, and is injected in the infusion bottle of patient infusion by the medicinal liquid in syringe 3, by inhaling, pushes away more Process, by patient need to several medicines be rapidly injected in infusion bottle and carry out dosing, control on and off switch and can automatically control and push away The stopping of bar or movement, after waiting dosing to complete, open upper shell 11, can be released by syringe 3, take off syringe 3, Close upper shell 11, repeat said process, dosing next time can be carried out again.

Claims

1. a dispenser, includes housing (1), and it is empty that described housing (1) front end has the receiving for housing syringe (3) Between (2), described housing (1) rear end is provided with the driving means (7) of push-pull bar (31) anterior-posterior translation driving syringe (3), its It is characterised by: the front end of described housing (1) offers for syringe (3) syringe needle (32) opening that passes, and at this opening part also It is provided with block piece, after the root (321) of described syringe (3) syringe needle (32) is blocked in this block piece, and only let the acupuncture needle remain at a certain point head (32) head (322) is overhanging.

Dispenser the most according to claim 1, it is characterised in that: described housing (1) includes the upper of mutual fastening Housing (11) and lower house (12), the front end of described lower house (12) has lower connection wall (121), and this lower connection wall (121) is opened It is provided with U-shaped through hole (122) as described opening；The front end of described upper shell (11) connects on correspondence position has Wall (111), the block (4) that on this, connection wall (111) is convex under downwardly extending is as described block piece.

Dispenser the most according to claim 2, it is characterised in that: described upper shell (11) and lower house (12) are at it In a side be hinged, described upper shell (11) is outward extended with prominent described lower house (12) at the middle part of another side Outer chimb (112), described lower house (12) forms groove (123) in the position of corresponding described chimb (112), and described on Housing (11) is provided with Magnet (5) in the position of neighbouring described chimb (112), and described lower house (12) is at neighbouring described groove (123) position is provided with the iron block (6) interacted with Magnet (5).