CN207412471U - Needleless injector - Google Patents

Needleless injector Download PDF

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Publication number
CN207412471U
CN207412471U CN201720419125.7U CN201720419125U CN207412471U CN 207412471 U CN207412471 U CN 207412471U CN 201720419125 U CN201720419125 U CN 201720419125U CN 207412471 U CN207412471 U CN 207412471U
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China
Prior art keywords
component
upper shell
lower housing
push rod
power
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Active
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CN201720419125.7U
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Chinese (zh)
Inventor
马常泉
闫鹏华
韦小明
刘伟
唐小青
李梦华
王文婕
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Individual
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Individual
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Abstract

The utility model discloses a kind of needleless injector, including ampoule, upper shell, lower housing, push rod, piston, medicament pick-up component, storage power component, power release component and blood glucose measurement component;Ampoule is mounted on one end of lower housing, and the other end of lower housing is threadedly coupled with upper shell, and piston is slidably mounted in ampoule and is connected with one end of push rod, and the push rod other end is stretched into upper shell through lower housing and is engaged with the percussion cover of power release component;Medicament pick-up component is mounted on lower housing and the runner of medicament pick-up component is set on the push rod in lower housing and is threadedly coupled with push rod;It stores power component to be arranged on upper shell inner push-rod, power release component is mounted on upper shell and the release button of power release component is engaged with storing the spring limiting board of power component;Blood glucose measurement component is mounted in upper shell, and test paper insert port is provided on upper shell.The utility model provides power using spring, and mechanical structure is reliable and stable.

Description

Needleless injector
Technical field
The utility model belongs to technical field of medical equipment, and in particular to a kind of needleless injector.
Background technology
Medicament injection usually using have pin syringe carry out, this there is it is various with have pin inject and initiation ask Topic, the probably pin sense brought if any pin injection, feeling of pain, tissue damage, cross-infection, syringe needle are surprisingly stabbed and syringe needle fracture etc.. This can bring injury to the injection health and happiness of people, and with significant economic impact.Personal blood glucose value measures needs It is individually measured using a blood glucose meter, it is inconvenient to use comparison.
The development of technology at present, no needle-like syringe, which has been developed that, to be come, it is possible to prevente effectively from there is the kind that pin injection is brought Kind problem.In general, this needleless injector loads power by external air source, penetration by liquid skin to be driven to enter in human body, This external air source is inconvenient to use, and also by certain limitation, machine construction design comparison is complicated for gas source and use occasion, Mechanical stability is poor, and cost is higher.Also blood glucose measurement needs individual instrument, and individual's measurement and carrying are more troublesome.
Utility model content
To be solved in the utility model to be existing needleless injector load power using external air source, using limited, and ties The technical issues of structure is complicated, and mechanical stability is poor, and function is single, it is a kind of using simple spring powered, machinery knot so as to provide Structure is reliable and stable and combines blood glucose measurement module, and integrated design is more convenient to carry, blood glucose measurement sum number is facilitated to divide according to observations The needleless injector of analysis.
In order to solve the above technical problems, technical solution is as follows used by the utility model:
A kind of needleless injector, including ampoule, upper shell, lower housing, push rod, piston, medicament pick-up component, storage power group Part, power release component and blood glucose measurement component;Ampoule is mounted on one end of lower housing, the other end and the upper shell spiral shell of lower housing Line connects, and piston is slidably mounted in ampoule and is connected with one end of push rod, and the push rod other end stretches into upper shell through lower housing Percussion cover interior and that component is discharged with power is engaged;Medicament pick-up component is mounted on lower housing and medicament pick-up component Runner is set on the push rod in lower housing and is threadedly coupled with push rod;It stores power component to be arranged on upper shell inner push-rod, power Release component is mounted on upper shell and the release button of power release component is engaged with storing the spring limiting board of power component;Blood Sugared measurement assembly is mounted in upper shell, and test paper insert port is provided on upper shell;The blood glucose measurement component includes blood Sugar measurement control panel and display screen, the test paper slot of blood glucose measurement control panel is corresponding with test paper insert port, display screen and blood glucose Measure control panel connection.
One end outer wall that the lower housing is connected with ampoule is provided with external screw thread, one end that lower housing is connected with upper shell Internal thread is provided with, poke hole and wheel lock mounting groove are provided on the outer circle wall of lower housing;The upper shell and lower housing The one end being connected is provided with external screw thread, and blood sugar test paper insert port and release button peace are provided on the outer circle wall of upper shell Tankage.
The medicament pick-up component includes runner and wheel latch mechanism, and runner is set on push rod and is threadedly coupled with push rod, And runner exposes to the poke hole of lower housing;The wheel latch mechanism includes pushing block and L-shaped gag lever post, pushing block are slidably mounted on lower casing It is connected in the wheel lock mounting groove of body and with positioned at the in vivo L-shaped gag lever post of lower casing, the clearance between gear teeth of L-shaped gag lever post and runner matches It closes.
The storage power component includes push plate, spring and spring limiting board, and push plate is fixed on the lower part of push rod, spring limiting board It is set in the top of push rod and the outer end of spring limiting board and is provided with elastic clamping block, elastic clamping block is inserted into the limit hole of upper shell And it is in contact with the release button of power release component;Be provided on elastic clamping block passed through for the mandril of release button it is recessed Slot;Spring is set on push rod and one end of spring is fixed in push plate, the other end is fixed on spring limiting board.
Power release component includes percussion cover and release button, percussion cover mounted on upper shell upper end and with push rod phase Cooperation, release button include pressing board and mandril, and pressing board is mounted in the release button mounting groove of upper shell and pressing board upper end is with releasing It puts the button mounting groove position that is in contact and resetting spring is installed, the lower end of pressing board is fixedly connected with mandril, and mandril stretches into upper shell Limit hole in and with store power component elastic clamping block be in contact.
The utility model stirs pushing block, and L-shaped gag lever post is made to leave runner, to runner unlock, rotating wheel, due to runner with Push rod is to be threadedly coupled, so the linear motion for being converted into push rod of runner, and then realize the uptake of ampoule inner liquid medicine Control.After liquid has been drawn, promote pushing block that L-shaped gag lever post is made to enter in the clearance between gear teeth of runner and lock runner.It turns Housing, upper shell enter to lower housing inward turning, are compressed mounted on the in vivo spring of upper casing, and since elastic clamping block is to be located at upper casing In the limit hole of body, so when stopping operating, spring keeps the state compressed, and when an injection is needed, pressing percussion cover makes it Push rod is withstood, and pressing pressing board makes mandril that elastic clamping block is released limit hole, and worn due to being provided on elastic clamping block for mandril The groove crossed, so mandril will not block elastic clamping block, the abrupt release under the restoring force of spring and the pressing effect of percussion cover Power, push plate can only move down, and then push rod is driven to move down, and piston is fast by the liquid in ampoule under the action of push rod Speed is injected into skin, completes a shot.And the utility model can receive the insertion of blood sugar test paper by test paper insert port, Blood glucose measurement control panel detects blood sugar test paper and is analyzed, and shows blood glucose value after analysis on a display screen, straight for user Observation.The utility model provides power using spring, and mechanical structure is reliable and stable, and blood glucose measurement is integrated in needleless note In emitter, integrated design is more convenient to carry, blood glucose measurement sum number is facilitated to analyze according to observations.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the partial enlarged view of a-quadrant in Fig. 1.
Fig. 3 is the partial enlarged view of B area in Fig. 1.
Fig. 4 is the structure diagram of the utility model spring limiting board.
Specific embodiment
As shown in Figs 1-4, a kind of needleless injector, including ampoule 1, upper shell 2, lower housing 3, push rod 4, piston 5, medicament Pick-up component stores power component, power release component and blood glucose measurement component;Ampoule 1 is mounted on one end of lower housing 3, lower housing 3 The other end be threadedly coupled with upper shell 2, piston 5 is slidably mounted in ampoule 1 and is connected with one end of push rod 4, and push rod 4 is another It holds and stretches into upper shell 2 through lower housing 3 and be engaged with the percussion cover 11 of power release component;Medicament pick-up component is mounted on It is threadedly coupled on lower housing 3 and on push rod 4 that the runner of medicament pick-up component 6 is set in lower housing 3 and with push rod 4;Store power Component is arranged on 2 inner push-rod 4 of upper shell, and power release component is mounted on upper shell 2 and the release of power release component is pressed Button 12 is engaged with storing the spring limiting board 10 of power component;Blood glucose measurement component is mounted in upper shell 2, and on upper shell 2 It is provided with test paper insert port;The blood glucose measurement component includes blood glucose measurement control panel and display screen, blood glucose measurement control panel Test paper slot is corresponding with test paper insert port, and display screen is connected with blood glucose measurement control panel.
One end outer wall that the lower housing 3 is connected with ampoule 1 is provided with external screw thread, and lower housing 3 is connected with upper shell 2 One end is provided with internal thread, and poke hole 3-1 and wheel lock mounting groove 3-2 are provided on the outer circle wall of lower housing 3;The upper casing Body 2 is provided with external screw thread with one end that lower housing 3 is connected, and blood sugar test paper insertion is provided on the outer circle wall of upper shell 2 Mouth and release button mounting groove.
The medicament pick-up component includes runner 6 and wheel latch mechanism, and runner 6 is set on push rod 4 and connects with 4 screw thread of push rod It connects, and runner 6 exposes to the poke hole of lower housing 3;The wheel latch mechanism includes pushing block 7-1 and L-shaped gag lever post 7-2, pushing block 7-1 It is slidably mounted in the wheel lock mounting groove 3-2 of lower housing 3 and is connected with the L-shaped gag lever post 7-2 in lower housing 3, L-shaped /V Bar 7-2 is engaged with the clearance between gear teeth of runner 6.
The storage power component includes push plate 8, spring 9 and spring limiting board 10, and push plate 8 is fixed on the lower part of push rod 4, spring Limiting plate 10 is set in the top of push rod 4 and the outer end of spring limiting board 10 and is provided with elastic clamping block 10-1, elastic clamping block 10-1 It is inserted into the limit hole of upper shell 2 and is in contact with the release button 12 of power release component;It is set on elastic clamping block 10-1 There is the groove 10-2 that the mandril for release button 12 passes through;Spring 9 is set on push rod 4 and one end of spring 9 is fixed on push plate 8 The upper, other end is fixed on spring limiting board 10.
The power release component includes percussion cover 11 and release button 12, and percussion cover 11 is mounted on 2 upper end of upper shell simultaneously It is engaged with push rod 4, release button 12 includes pressing board 12-1 and mandril 12-2, and the release that pressing board 12-1 is mounted on upper shell 2 is pressed In the button mounting groove and pressing board 12-1 upper ends position that is in contact with release button mounting groove is equipped with resetting spring 12-3, pressing board 12-1 Lower end be fixedly connected with mandril 12-2, mandril 12-2 is stretched into the limit hole of upper shell 2 and the elastic clamping block with storing power component It is in contact.
The utility model stirs pushing block 7-1, and L-shaped gag lever post 7-2 is made to leave runner, runner 6 is unlocked, rotating wheel 6, by With push rod 4 it is to be threadedly coupled in runner 6, so the linear motion for being converted into push rod of runner 6, and then realize in ampoule 1 The uptake control of liquid.After liquid has been drawn, promote pushing block 7-1 that L-shaped gag lever post 7-2 is made to enter the clearance between gear teeth of runner 6 It is interior to lock runner.Upper shell 2 is turned, upper shell 2 is screwed in into lower housing 3, and the spring 9 in upper shell 2 is compressed, And since elastic clamping block is in the limit hole of upper shell 2, so when stopping operating, spring 9 keeps the state compressed, when When needing injection, pressing percussion cover 11 makes it withstand push rod 4, and pressing pressing board 12-1 makes mandril 12-2 that elastic clamping block is released limit Position hole, and due to being provided with the groove passed through for mandril on elastic clamping block, so mandril will not block elastic clamping block, in spring 9 Restoring force and percussion cover 11 the lower abrupt release power of pressing effect, push plate 8 can only move down, and then drive push rod downward Mobile, piston enters the liquid fast injection in ampoule 1 in skin under the action of push rod, completes a shot.And this reality With the new insertion that blood sugar test paper can be received by test paper insert port, blood glucose measurement control panel detects blood sugar test paper and is divided Analysis, shows blood glucose value, is intuitively observed for user on a display screen after analysis.The utility model provides power, machine using spring Tool stable structure is reliable, and blood glucose measurement is integrated on needleless injector, integrated design, more convenient carrying, conveniently Blood glucose measurement sum number is analyzed according to observations.

Claims (5)

1. a kind of needleless injector, it is characterised in that:Including ampoule(1), upper shell(2), lower housing(3), push rod(4), piston (5), medicament pick-up component, store power component, power release component and blood glucose measurement component;Ampoule(1)Mounted on lower housing(3)'s One end, lower housing(3)The other end and upper shell(2)It is threadedly coupled, piston(5)It is slidably mounted on ampoule(1)Interior and and push rod (4)One end connection, push rod(4)The other end passes through lower housing(3)Stretch into upper shell(2)Percussion interior and that component is discharged with power Cover(11)It is engaged;Medicament pick-up component is mounted on lower housing(3)Upper and medicament pick-up component runner(6)It is set in lower casing Body(3)Interior push rod(4)Upper and and push rod(4)It is threadedly coupled;It stores power component and is arranged on upper shell(2)Inner push-rod(4)On, power It discharges component and is mounted on upper shell(2)The release button of upper and power release component(12)Spring limiting board with storing power component (10)It is engaged;Blood glucose measurement component is mounted on upper shell(2)It is interior, and in upper shell(2)On be provided with test paper insert port;It is described Blood glucose measurement component includes blood glucose measurement control panel and display screen, test paper slot and the test paper insert port phase of blood glucose measurement control panel Corresponding, display screen is connected with blood glucose measurement control panel.
2. needleless injector according to claim 1, it is characterised in that:The lower housing(3)With ampoule(1)The one of connection End outer wall is provided with external screw thread, lower housing(3)With upper shell(2)The one end being connected is provided with internal thread, in lower housing(3)'s Poke hole is provided on outer circle wall(3-1)With wheel lock mounting groove(3-2);The upper shell(2)With lower housing(3)It is connected One end is provided with external screw thread, in upper shell(2)Outer circle wall on be provided with blood sugar test paper insert port and release button mounting groove.
3. needleless injector according to claim 1, it is characterised in that:The medicament pick-up component includes runner(6)With Take turns latch mechanism, runner(6)It is set in push rod(4)Upper and and push rod(4)It is threadedly coupled, and runner(6)Expose to lower housing(3)'s Poke hole;The wheel latch mechanism includes pushing block(7-1)With L-shaped gag lever post(7-2), pushing block(7-1)It is slidably mounted on lower housing(3) Wheel lock mounting groove(3-2)It is interior and with positioned at lower housing(3)Interior L-shaped gag lever post(7-2)Connection, L-shaped gag lever post(7-2)With turning Wheel(6)Clearance between gear teeth be engaged.
4. needleless injector according to claim 1, it is characterised in that:The storage power component includes push plate(8), spring (9)And spring limiting board(10), push plate(8)It is fixed on push rod(4)Lower part, spring limiting board(10)It is set in push rod(4)'s Top and spring limiting board(10)Outer end be provided with elastic clamping block(10-1), elastic clamping block(10-1)It is inserted into upper shell(2)'s The release button of component is discharged in limit hole and with power(12)It is in contact;In elastic clamping block(10-1)On be provided with for release by Button(12)The groove that passes through of mandril(10-2);Spring(9)It is set in push rod(4)Upper and spring(9)One end be fixed on push plate (8)The upper, other end is fixed on spring limiting board(10)On.
5. needleless injector according to claim 1, it is characterised in that:The power release component includes percussion and covers(11) And release button(12), percussion cover(11)Mounted on upper shell(2)Upper end and and push rod(4)It is engaged, release button(12)Bag Include pressing board(12-1)And mandril(12-2), pressing board(12-1)Mounted on upper shell(2)Release button mounting groove in and pressing board (12-1)The lower end position that is in contact with release button mounting groove is equipped with resetting spring(12-3), pressing board(12-1)Lower end and top Bar(12-2)It is fixedly connected, mandril(12-2)Stretch into upper shell(2)Limit hole in and with store power component elastic clamping block connect It touches.
CN201720419125.7U 2017-04-20 2017-04-20 Needleless injector Active CN207412471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720419125.7U CN207412471U (en) 2017-04-20 2017-04-20 Needleless injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720419125.7U CN207412471U (en) 2017-04-20 2017-04-20 Needleless injector

Publications (1)

Publication Number Publication Date
CN207412471U true CN207412471U (en) 2018-05-29

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ID=62398569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720419125.7U Active CN207412471U (en) 2017-04-20 2017-04-20 Needleless injector

Country Status (1)

Country Link
CN (1) CN207412471U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109453444A (en) * 2018-12-04 2019-03-12 上海漾亮生物科技有限公司 A kind of controllable needleless introducing apparatus component of importing depth

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109453444A (en) * 2018-12-04 2019-03-12 上海漾亮生物科技有限公司 A kind of controllable needleless introducing apparatus component of importing depth
CN109453444B (en) * 2018-12-04 2024-04-19 上海漾亮生物科技有限公司 Needle-free introducer assembly with controllable introduction depth

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