CN109550116A - Convenient for the needleless injector terminal injecting assembly medicine taking device of operation - Google Patents
Convenient for the needleless injector terminal injecting assembly medicine taking device of operation Download PDFInfo
- Publication number
- CN109550116A CN109550116A CN201910113663.7A CN201910113663A CN109550116A CN 109550116 A CN109550116 A CN 109550116A CN 201910113663 A CN201910113663 A CN 201910113663A CN 109550116 A CN109550116 A CN 109550116A
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- China
- Prior art keywords
- injecting assembly
- terminal injecting
- terminal
- push rod
- telescopic rod
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
Abstract
The invention discloses a kind of needleless injector terminal injecting assembly medicine taking devices, quantitatively pull part by conduit tube component, pedestal, terminal injecting assembly fixed part and push rod and constitute；Conduit tube component is used for will be in the medical fluid input terminal injecting assembly in drug reservoir；Terminal injecting assembly fixed part can be implemented to limit to terminal injecting assembly main part, and glue bowl is driven to dock with terminal injecting assembly end part seal；Push rod, which quantitatively pulls part, to store the external force artificially applied by the stretching of telescopic rod, implement to pull to push rod by contraction performance, and can adjust the drawing amount to push rod as needed.When taking medicine by this medicine taking device, medical fluid is not necessarily to manual operation during entering terminal injecting assembly, reduces the burden of user, time saving and energy saving, and ensure that traction force suffered by push rod is gently stablized, and avoids and damages to terminal injecting assembly；It can preset medicine taking amount and accuracy is high；It is simple for structure, implement to be easy, it is low in cost, it is easy to carry.
Description
The present invention is the dividing application No. is 201611129063.2 application for a patent for invention submitted on December 09th, 2016
Case application.
Technical field
The present invention relates to a kind of fitting of medical apparatus more particularly to a kind of medical needleless injector terminal injecting assemblies of auxiliary
Complete the medicine taking device for taking medicine to operate.
Background technique
Needleless injection is a kind of punctures without syringe needle and reaches drug injection purpose novel injection technology, and having can subtract
The pain and fear of few drug injection reduce bacterium infection risk, avoid syringe needle from the generations of accidents such as scratching and fracture, drug
The advantages that absorption is fast, and long-time service does not subcutaneously play scleroma, and injection efficiency is high, and then have in future clinical medical treatment and widely answer
Use prospect.But operation is relatively complicated before pre- before traditional needleless injector per injection, time-consuming and laborious, can not efficiently into
Line Continuity injection, and injection dosage is made to become the short slab of existing needleless injector, it can typically be only used to small dose of insulin etc.
The clinical injection of drug is measured, and is not used to the clinical injection of the drugs such as the slightly larger antibiotic of dosage, interferon, so that traditional nothing
Application of the needle injection in clinical injection field has biggish limitation.Application No. is 2016109677793 patents of invention
A kind of needleless injector is disclosed, component, trigger component and terminal injecting assembly structure are pulled by gun body, striker assembly, circulation
At, circulation can be driven to pull component continuous operation by trigger component, and recycling dragging component continuous operation can drive in the process
Striker assembly efficiently gradually reciprocal completion " loading " and " excitation " movement, and it is more to realize terminal injecting assembly can quickly
Secondary micro-injection, by the cumulative large bolus injection for realizing drug of multiple micro-injection, which overcome previous tradition to produce
The deficiency of product has expanded needleless injector in the application range in clinical medicine injection field, and then has had broad application prospects.
In above-mentioned patented technology, terminal injecting assembly is the important structure of needleless injector for storing and discharging drug
At part, as shown in Figure 1, the terminal injecting assembly is mainly made of medicine-storing tube 5, piston 6 and push rod 2,5 front end of medicine-storing tube is equipped with
Injection orifice 4, rear end are equipped with for the thread bush 3 with gun body group even, and 2 rear end of push rod is equipped with the shock portion 1 for being hit by hammer body,
From the point of view of structure by the terminal injecting assembly, prescription formula is taken using identical with traditional needle-free injectors, i.e., is pulled back manually
Push rod and drive piston to move back, make at injection orifice generate negative pressure, realization take medicine to have no difficulty.But in general, in order to realize compared with
Good injection effect, the injection orifice of existing terminal injecting assembly mostly use micropore to design (micron order), and drug is into medicine-storing tube
Inflow velocity it is slow, required negative pressure is larger, when carrying out taking medicine using traditional manual mode, operate it is time-consuming and laborious, efficiency compared with
It is low, there is certain inconvenience；It during taking medicine, takes drug effect rate in order to improve and often pulls push rod backward with sudden force, be easy
Sealing cooperation to the connection between push rod and piston and between piston and medicine-storing tube damages, and reduces terminal injection group
The job stability and service life of part；In addition, the advance of the needleless injector as disclosed in aforementioned patent is drug
Large bolus injection, the capacity of medicine-storing tube and the dose prestored are all relatively in the past big, are presented during medicine using take manually
Inconvenience out is more prominent.In the prior art, there has been no the terminal injecting assemblies with above-mentioned needleless injector to match, behaviour
It is convenient to make, time saving and energy saving, and the medicine taking device for taking medicine high-efficient occurs.
Summary of the invention
The purpose of the present invention is to provide a kind of terminal injecting assembly uses for cooperating needleless injector, and can be rapidly and efficiently
Completion takes medicine to operate, and operate it is convenient, it is time saving and energy saving, be especially suitable for large capacity medicine-storing tube large dosage take medicine operate take medicine to fill
It sets.
To realize the above-mentioned technical purpose, the present invention adopts the following technical scheme:
A kind of needleless injector terminal injecting assembly medicine taking device convenient for operation comprising:
Conduit tube component is made of glue bowl and the syringe needle connected through conduit, and glue bowl bottom is provided with medicine feeding hole, and medicine feeding hole is through leading
Pipe is communicated with syringe needle, and glue bowl is used to seal cooperation with terminal injecting assembly front end and connect injection orifice only with glue bowl medicine feeding hole
It is logical；
Pedestal, it is in long strip, for providing support for other component；
Terminal injecting assembly fixed part, is made of hold-down mechanism and limiting plate；Limiting plate is fixed on the upside of pedestal, is used
In being provided with U-shaped hole on the breech face for the thread bush for supporting terminal injecting assembly, limiting plate so that the push rod of terminal injecting assembly is worn
It crosses and can continue to extend back；Hold-down mechanism is located at the front side of limiting plate, is made of pressure cap and pedestal；Pedestal is fixed on pedestal
Upside and provide support for pressure cap, and be moved forward and backward pressure cap can in a certain range；The rear end face of pressure cap has for accommodating
The ball impression of glue bowl is provided with the centre bore passed through for conduit on pressure cap, is equipped with the ejection bullet for driving it to reset backward on front side of pressure cap
Spring；Under the ejection of pushing top spring, the front end of glue bowl and terminal injecting assembly can be fixed for pressure cap, and drive glue bowl and end
The front end of injecting assembly is held to seal cooperation；
Push rod quantitatively pulls part, and the rear side of terminal injecting assembly fixed part is arranged in comprising one by pedestal branch
The guide sleeve of support, define in guide sleeve one can be moved forward and backward along guide sleeve and can automatic retracted telescopic rod；Before telescopic rod
End and guide sleeve can not relative rotation, and its telescopic rod front end extends in front of guide sleeve and with one for clamping terminal injection group
The catch mechanism in the shock portion of part is fixedly connected, telescopic rod and pressure cap center overlapping of axles；The side wall of guide sleeve is provided with front and back and extends
Guide groove, the rear end of telescopic rod be connected with can along guide groove slide shank, the outer end of the shank extends to outside guide sleeve through guide groove
Portion；Guide sleeve is equipped with a retaining mechanism that can lock flexible rod rear end；When hitting for catch mechanism clamping terminal injecting assembly
Hit portion, flexible rod rear end be locked mechanism locking when, telescopic rod can be implemented the push rod of terminal injecting assembly in tensional state
Drawing；The front end of guide sleeve is equipped with the threaded portion big compared with its diameter, and an external thread sleeve is nested with outside telescopic rod and and threaded portion
Cooperation, external thread sleeve by rotation adjustable axial position, external thread sleeve be used to limit terminal location that catch mechanism moves backward and
Play the role of adjusting the push rod drawing amount of terminal injecting assembly, the outer wall of guide sleeve is equipped with scale, and external thread sleeve tail end institute is right
The scale numerical value answered supports the dose sucked in rear terminal injecting assembly by catch mechanism and external thread sleeve front end.
The operating method and working principle of this needleless injector terminal injecting assembly medicine taking device are as follows: hand-held shank adjusting is stretched
The position of contracting bar, makes catch mechanism be moved to forefront, and the glue bowl of conduit tube component is placed in the ball impression on rear side of pressure cap, and
The conduit for connecting glue bowl passes through the centre bore of pressure cap and extends in front of pressure cap, holds pressure cap Forward, makes pressure cap and limits
There is plate enough spacing to place terminal injecting assembly, and the main part (thread bush and medicine-storing tube) of terminal injecting assembly is put
It sets on front side of limiting plate, and ensures that push rod makes shock portion by catch mechanism institute clamping across the U-shaped hole of limiting plate, unclamp pressure cap,
It is moved backward under the action of pushing top spring, and glue bowl is pressed in the front end of terminal injecting assembly by one side pressure cap, is guaranteed
Injection orifice is only connected to medicine feeding hole, that is, conduit of glue bowl, and another aspect pressure cap and limiting plate are consolidated terminal injecting assembly position
It is fixed, the syringe needle insertion of the other end of conduit is stored in the drug reservoir of medicament to be taken；By rotation external thread sleeve come adjust its
Position on guide sleeve, the i.e. medicine taking amount of setting terminal injecting assembly, hand-held shank drive contracting rod rear end to move back, and telescopic rod is drawn
It stretches, the mechanism locking until flexible rod rear end is locked is right by the contraction performance of itself at this time since telescopic rod is stretched
Push rod implements continual and steady drawing, and the medical fluid in drug reservoir gradually enters the drug storage of terminal injecting assembly through syringe needle, conduit
In cylinder, until catch mechanism can not continue to move backward, i.e., arrived in medicine-storing tube after catch mechanism and external thread sleeve front end are supported
Preset medicine taking amount；Finally, releasing locking of the retaining mechanism to flexible rod rear end, telescopic rod automatic retracted and the shape that affranchises
State holds pressure cap Forward, and it is to complete entirely medicine to be taken to operate that terminal injecting assembly, which is taken out,.
Furthermore, the limiting plate, pedestal, guide sleeve and pedestal are integrally formed using same material, make material
Expect that metal material or light composite material can be selected.
Furthermore, the push rod, which quantitatively pulls part, has following technical characteristic:
A. during taking medicine, when terminal injecting assembly Chinese medicine dose is that zero i.e. push rod is located at front end, after telescopic rod
Hold the mechanism locking that is not locked, then catch mechanism can be connect in the case where telescopic rod is in and is fully retracted state with shock portion clamping, and
External thread sleeve is adjustable to its front end and supports with catch mechanism；
B. during taking medicine, when terminal injecting assembly Chinese medicine liquid is filled i.e. push rod is located at rearmost end when, after telescopic rod
End be locked mechanism locking and catch mechanism connect with shock portion clamping, then telescopic rod should block still in tensional state, and at this time
It holds mechanism to be limited by external thread sleeve and can not continue to move back, while external thread sleeve can not continue to adjust position backward.
Furthermore, the retaining mechanism includes a locking pin, and locking pin is by being arranged in the pin of guide sleeve tail end
Seat is limited and can be moved up and down, and the upper end of locking pin extends to above key seat and be fixed with handle, lower end be then equipped with drive its to
The reset spring of upper reset；The rear end of telescopic rod is equipped with a pre-large post-small tapered cap, and is provided on front side of locking pin for holding
It receives the locking slot of tapered cap, is equipped on the downside of the front end of locking slot convex for supporting the tongue of tapered cap front end；After telescopic rod
When end moves back, tapered cap can drive locking pin that reset spring thrust is overcome to move down by tapered slope, when tapered cap is complete
After falling into locking slot, reset spring drives locking pin to move up, and tongue supports with tapered cap rear end and tapered cap is made to be defined to lock
In tight slot.
Furthermore, the pedestal upper surface be equipped with spill at be used for support terminal injecting assembly thread bush
Placement seat, which is located at the front side of limiting plate, after the thread bush of terminal injecting assembly is placed on the placement seat, eventually
Hold injecting assembly and pressure cap and telescopic rod three center overlapping of axles.
Furthermore, the outer wall of the guide sleeve is equipped with five groups of scales of 3-5, and every group of scale corresponds to a kind of model
Terminal injecting assembly, scale numerical value corresponding to external thread sleeve tail end is to correspond to model after catch mechanism is supported with external thread sleeve front end
Terminal injecting assembly in the dose that is sucked.
Furthermore, the pedestal is formed by connecting by leading portion and back segment two parts through shaft, and terminal injecting assembly is solid
Fixed to be partially fixed on the upside of leading portion, push rod quantitatively pulls part and is fixed on the upside of back segment, is provided with and can accommodate under leading portion on the downside of back segment
The accommodating groove in portion, leading portion and back segment can carry out 0-180 degree rotation.
When taking medicine by this medicine taking device the invention has the following beneficial effects: needleless injector terminal injecting assembly, this
Medicine taking device can be stored the external force artificially applied by the stretcher strain of telescopic rod, then pass through the automatic of telescopic rod
Contraction performance applies continual and steady traction force to push rod, therefore the nothing in the lengthy procedure that medical fluid progresses into terminal injecting assembly
Manual operation is needed, the burden of user is reduced, it is easy to operate, it is time saving and energy saving, and ensure that traction force suffered by push rod is flat
It is slow to stablize, it avoids damaging terminal injecting assembly since stress is larger；This medicine taking device can easily preset medicine taking amount,
Accuracy is high, strong applicability；In addition its is simple for structure, implements to be easy, low in cost, can be fabricated to folded form as needed,
Easy to carry, the patient to need frequently to inject brings biggish convenience.
Detailed description of the invention
Fig. 1 is the terminal injecting assembly structural schematic diagram of needleless injector.
Fig. 2 is one of the overall structure diagram of needleless injector terminal injecting assembly medicine taking device.
Fig. 3 is the two of the overall structure diagram of needleless injector terminal injecting assembly medicine taking device.
Fig. 4 is the structural schematic diagram of hold-down mechanism and conduit tube component.
Fig. 5 is one of the structural schematic diagram that push rod quantitatively pulls part.
Fig. 6 is the second structural representation that push rod quantitatively pulls part.
Structural schematic diagram when Fig. 7 needleless injector terminal injecting assembly medicine taking device works.
Fig. 8 is the structural schematic diagram after hold-down mechanism and conduit tube component further improvement.
Fig. 9 is the structural schematic diagram of telescopic rod.
Figure 10 is the another embodiment structural schematic diagram of telescopic rod.
Figure 11 is the structural schematic diagram of retaining mechanism.
Figure 12 is the another embodiment structural schematic diagram of retaining mechanism.
Figure 13 is retaining mechanism shown in Figure 12 by the structural schematic diagram of push rod timing.
Figure 14 is the structural schematic diagram of catch mechanism and push rod cooperation.
Figure 15 is structural schematic diagram when guide sleeve is equipped with multiple groups scale.
Figure 16 is pedestal using one of structural schematic diagram when foldable design in the deployed state.
Figure 17 is pedestal using second structural representation when foldable design in the deployed state.
Figure 18 is folding process schematic diagram when pedestal uses foldable design.
Figure 19 is structural schematic diagram when pedestal uses foldable design under folded state.
In figure, 1, shock portion, 2, push rod, 3, thread bush, 4, injection orifice, 5, medicine-storing tube, 6, piston, 7, syringe needle, 8, conduit,
9, pedestal, 10, pressure cap, 11, ball impression, 12, pedestal, 13, limiting plate, 14, catch mechanism, 15, telescopic rod, 16, guide groove, 17,
Retaining mechanism, 18, shank, 19, guide sleeve, 20, scale, 21, external thread sleeve, 22, U-shaped hole, 23, glue bowl, 24, medicine feeding hole, 25, in
Heart hole, 26, threaded portion, 27, guide groove, 28, guiding rib, 29, pushing top spring, 30, guide rod, 31, pilot hole, 32, spacing head,
33, groove, 34, bolt, 35, elastic component, 36, rear bar, 37, column chamber, 38, grafting chamber, 39, front bar, 40, handle, 41, key seat,
42, locking pin, 43, tapered cap, 44, locking slot, 45, tongue, 46, reset spring, 47, clamping seat, 48, securing groove, 49, U-shaped
Frame, 50, limiting slot, 51, leading portion, 52, shaft, 53, back segment, 54, accommodating groove, 55, placement seat.
Specific embodiment
It is disclosed in this invention a kind of to take medicine convenient for the needleless injector terminal injecting assembly of operation referring to shown in Fig. 2,3
Device mainly quantitatively pulls part by conduit tube component, pedestal 12, terminal injecting assembly fixed part and push rod and constitutes；
Wherein, as shown in figure 4, the conduit tube component is made of the glue bowl 23 connected through conduit 8 with syringe needle 7, glue bowl 23
Bottom is provided with medicine feeding hole 24, and medicine feeding hole 24 is communicated through conduit 8 with syringe needle 7, the size and shape and terminal injecting assembly of glue bowl 23
Front end it is corresponding, i.e., glue bowl 23 can tightly be buckled in the front end of terminal injecting assembly, make injection orifice 4 only with glue bowl 23
Medicine feeding hole 24 be connected to, syringe needle 7 is stored in the drug reservoir of medical fluid for protruding into；Thus one, conduit tube component can be terminal
One is established between injecting assembly and drug reservoir for conveying the channel of medical fluid；
Wherein, as shown in Figure 1, 2, the pedestal 12 is in long strip, is used to provide support for other component；
Wherein, as shown in Fig. 2,3,4,7, the terminal injecting assembly fixed part is by 13 structure of hold-down mechanism and limiting plate
At；Limiting plate 13 is fixed on 12 upside of pedestal, is used to support the breech face of the thread bush 3 of terminal injecting assembly, that is, limits eventually
The back-end location of injecting assembly is held, being provided with U-shaped hole 22 on limiting plate 13 can continue so that the push rod 2 of terminal injecting assembly passes through
It extends back；Hold-down mechanism is located at the front side of limiting plate 13, is made of pressure cap 10 and pedestal 9, and pedestal 9 is fixed on pedestal 12
Side and be that pressure cap 10 provides support, and be moved forward and backward pressure cap 10 can in a certain range；The rear end face of pressure cap 10, which has, to be used for
The ball impression 11 for accommodating glue bowl 23 is provided on pressure cap 10 and wears for conduit 8 to the centre bore 25 in 10 front of pressure cap, sets on front side of pressure cap 10
There is the pushing top spring 29 for driving it to reset backward；Under the ejection of pushing top spring 29, the ball impression 11 of pressure cap 10 can be by glue bowl 23
And the front end of terminal injecting assembly is fixed, and the sealing of the front end of glue bowl 23 and terminal injecting assembly is driven to cooperate；It is described
The size and shape of ball impression 11 should be corresponding with glue bowl 23, to ensure that pressure cap 10 is that the pressure that glue bowl 23 provides is balanced, protect
Demonstrate,prove the sealing effect of glue bowl 23 and terminal injecting assembly front end；Since terminal injecting assembly fixed part uses above-mentioned knot
Structure, the main part (thread bush 3 and medicine-storing tube 5) of terminal injecting assembly can be fixed for one side, without infusing to terminal
The axial movement for penetrating the push rod 2 of component is construed as limiting, and on the other hand then drives glue bowl 23 and terminal injection group in conduit tube component
The front end of part is tightly cooperated, it is ensured that injection orifice 4 is only connected to medicine feeding hole 24；
Wherein, as shown in Fig. 2,3,5,6,7, the push rod, which quantifies pulling portion and sets up separately, to be set in terminal injecting assembly fixed part
The rear side divided a comprising guide sleeve 19, guide sleeve 19 are supported by pedestal 12, and one is defined in guide sleeve 19 can be along its front and back
Mobile telescopic rod 15, telescopic rod 15 can be stretched and can automatic retracteds；Telescopic rod 15 and 10 center overlapping of axles of pressure cap, telescopic rod
15 front end and guide sleeve 19 can not relative rotation, and the front end of telescopic rod 15 extend to guide sleeve 19 front and with a clamping
Mechanism 14 is fixedly connected, shock portion 1 of the catch mechanism 14 for 2 rear end of push rod of clamping terminal injecting assembly；Guide sleeve 19
Side wall is provided with the guide groove 16 that front and back extends, and the rear end of telescopic rod 15 is connected with a shank 18 that can be slided along guide groove 16, the shank
18 outer end extends to the outside of guide sleeve 19 through guide groove 16, for hand-held driving；Guide sleeve 19 is equipped with can be by telescopic rod 15
The retaining mechanism 17 of rear end progress position locking；When the shock portion 1 of 2 tail end of push rod of 14 clamping terminal injecting assembly of catch mechanism
And the rear end of telescopic rod 15 be locked mechanism 17 lock when, telescopic rod 15 in tensional state and can to push rod 2 implement pull；Guiding
The front end of set 19 is equipped with the threaded portion 26 big compared with its diameter, an external thread sleeve 21 be nested with it is outer in telescopic rod 15 and with 26 screw thread of threaded portion
Cooperation, external thread sleeve 21 can not be after after being supported by rotation adjustable axial position, the front end of catch mechanism 14 and external thread sleeve 21
Continuous to move backward, i.e., external thread sleeve 21 plays for limiting the terminal location that catch mechanism 14 moves backward and adjusts terminal injection group
The effect of the final drawing amount of push rod 2 of part；The outer wall of guide sleeve 19 is equipped with scale 20, scale corresponding to 21 tail end of external thread sleeve
Numerical value supports the dose sucked in rear terminal injecting assembly by catch mechanism 14 and 21 front end of external thread sleeve；Since push rod is quantitatively led
Pull portion uses above structure, can store the external force artificially applied by the stretcher strain of telescopic rod 15, so
Implement gently stable drawing to push rod 2 by the automatic retracted characteristic of telescopic rod 15 afterwards, and can be by adjusting external thread sleeve
21 position realizes the purpose quantitatively pulled to push rod 2.
Referring to shown in Fig. 2,3,7, in the above-mentioned needleless injector terminal injecting assembly medicine taking device convenient for operation, pressure cap
10 can be moved forward and backward in a certain range, and " a certain range " refers to, on the one hand, pressure cap 10 can move forward and ensure and limiting plate
13 have enough spacing, terminal injecting assembly to be easily placed on pressure cap 10 when disposing terminal injecting assembly
Between limiting plate 13；On the other hand, pressure cap 10 can be moved rearwardly under 29 ejection of pushing top spring and force glue bowl 23 and terminal
The front end of injecting assembly seals cooperation.
Referring to shown in Fig. 5,7, the above-mentioned needleless injector terminal injecting assembly medicine taking device convenient for operation is taking medicine process
In, the main part of terminal injecting assembly is defined and is always kept in a fixed state with the relative position of guide sleeve 19, terminal injection group
Medicine taking amount in part is directly proportional to the displacement that push rod 2 generates backward, and the displacement that push rod 2 generates backward is determined by catch mechanism 14
Fixed, the final position that catch mechanism 14 moves backward is determined by the axial position of external thread sleeve 21, it can be seen that, external thread sleeve 21 exists
Location and the linear proportionate relationship of medicine taking amount on guide sleeve 19, and the scale 20 of 19 outer wall of guide sleeve can measure external thread sleeve
Axial position locating for 21, therefore 20 numerical value of scale corresponding to 21 tail end of external thread sleeve above-mentioned is catch mechanism 14 and external thread sleeve 21
It supports dose this technical purpose sucked in rear terminal injecting assembly and is easily achieved in front end.
Referring to shown in Fig. 6,7,9, in the above-mentioned needleless injector terminal injecting assembly medicine taking device convenient for operation, stretch
Bar 15 can be stretched and the characteristic with automatic retracted, and during taking medicine, telescopic rod 15 pulls push rod 2 by contraction performance
It moves back, is based on this technical purpose, the structure of telescopic rod 15 has numerous embodiments, can be used with flowering structure, i.e., described stretches
Contracting bar 15 is combined by grafting and the front bar 39 and rear bar 36 being slidably matched respectively with guide sleeve 19 are constituted, front bar 39 and rear bar 36 it
Between be equipped with the elastic component 35 for both driving automatic retracted；Simultaneously as the front end of telescopic rod 15 is fixedly connected with catch mechanism 14,
And catch mechanism 14 is avoided to rotate, therefore require the front end of telescopic rod 15 that cannot relatively rotate with guide sleeve 19, it is
It realizes this technical purpose, the guide groove 27 and guiding rib 28 being slidably matched can be respectively equipped in front bar 39 and guide sleeve 19,
Guiding rib 28 cooperates with guide groove 27 and makes front bar 39 and guide sleeve 19 that can slide axially, but can not relatively rotate.
Referring to shown in Fig. 5,6,7, in the above-mentioned needleless injector terminal injecting assembly medicine taking device convenient for operation, stretch
Bar 15 have double function, on the one hand its external force artificially applied can be stored by stretcher strain, on the other hand its
Gently stable drawing can be continued to the implementation of push rod 2 by the automatic retracted characteristic that itself has；In the production process, to stretching
The elastic property of elastic component 35 is measured in contracting bar 15, and possessed retraction force is bigger when telescopic rod 15 being made to be in tensional state
Driving force required for push rod 2 slowly moves back during taking medicine, therefore realize that telescopic rod 15 above-mentioned need to have double function
It can be not so difficult.
Referring to shown in Fig. 2,3,4,7, the operation of the above-mentioned needleless injector terminal injecting assembly medicine taking device convenient for operation
Method and working principle are as follows: hand-held shank 18 adjusts the position of telescopic rod 15, so that catch mechanism 14 is moved to forefront, by conduit
The glue bowl 23 of component is placed in the ball impression 11 of 10 rear side of pressure cap, and the conduit 8 and syringe needle 7 for connecting glue bowl 23 pass through pressure
The centre bore 25 of cap 10 and the front for extending to pressure cap 10；Hand-held pressure cap 10 moves forward, and has pressure cap 10 and limiting plate 13 enough
Spacing place the main part of terminal injecting assembly, the thread bush 3 of terminal injecting assembly is placed on 13 front side of limiting plate,
And ensure that push rod 2 makes shock portion 1 by 14 clampings of catch mechanism after the U-shaped hole 22 of limiting plate 13, pressure cap 10 is unclamped,
It is moved backward automatically under the action of pushing top spring 29, before glue bowl 23 is pressed in terminal injecting assembly by one side pressure cap 10
End guarantees that injection orifice 4 only be connected to the medicine feeding hole 24 of glue bowl 23, and another aspect pressure cap 10 and limiting plate 13 are by terminal injecting assembly
The position of main part, which is fixed, is not construed as limiting push rod 2, by 8 other end of conduit connection syringe needle 7 insertion storage to
In the drug reservoir of taking liquid；The corresponding relationship of its tail end Yu scale 20, i.e. setting terminal are adjusted by rotation external thread sleeve 21
The medicine taking amount of injecting assembly；Hand-held shank 18 drives 15 rear end of telescopic rod to move backward, and telescopic rod 15 is stretched, until telescopic rod
15 are moved to last end position and the locking of mechanism 17 that is locked；At this point, telescopic rod 15 is by the contraction performance of itself to push rod 2
Implement continual and steady drawing, the medical fluid in drug reservoir gradually enters the medicine-storing tube 5 of terminal injecting assembly through syringe needle 7, conduit 8
It is interior, until catch mechanism 14 can not continue to move backward, i.e., in medicine-storing tube 5 after catch mechanism 14 and 21 front end of external thread sleeve are supported
Preset medicine taking amount is arrived；Finally, releasing locking of the retaining mechanism 17 to 15 rear end of telescopic rod, 15 automatic retracted of telescopic rod
And the state that affranchises, it holds pressure cap 10 and moves forward, terminal injecting assembly is removed to complete entirely medicine is taken to operate.
On the other hand, referring to shown in Fig. 2,3,7, it is contemplated that terminal injecting assembly is matched with needleless injector, can
It can be equipped with plurality of specifications according to the difference of capacity, the outer dimension of the terminal injecting assembly of different size may be different, such as
The diameter and length of the main part of different terminals injecting assembly may be different, and the length for also resulting in push rod 2 is also different, still
They all have in common the feature that the central axis of 1. push rod 2, injection orifice 4 and terminal injecting assembly main part three is again
It is overlapped；2. the shock portion 1 of 2 tail end of push rod needs to protrude into needleless injector and need to cooperate with hammer body, therefore the size in shock portion 1
And structure is typically identical.And in this needleless injector terminal injecting assembly medicine taking device convenient for operation, terminal note
The main part for penetrating component is that the limiting plate 13 of pressure cap 10 and rear side through front side is fixed, and pressure cap 10 can front and back move
It is dynamic, therefore although the size of the main part of the terminal injecting assembly of different size is different, it is solid to have no effect on terminal injecting assembly
It is fixed in fixed part, and the sealing that will not influence glue bowl 23 and terminal injecting assembly front end cooperates；Due to telescopic rod
15 can be moved forward and backward along guide sleeve 19, i.e., for limit 2 rear-end collision portion 1 of push rod catch mechanism 14 can front and back adjust position,
Therefore even if 2 length of push rod of the terminal injecting assembly of different size is different, but have no effect on 2 tail end of push rod and catch mechanism 14
Clamping connection.From this, this needleless injector terminal injecting assembly medicine taking device is applicable to the terminal injection of plurality of specifications
Component.
Referring to shown in Fig. 7, when terminal injecting assembly takes medicine by this medicine taking device, this medicine taking device will can artificially apply
External force is stored by the stretcher strain of telescopic rod 15, is then applied by the automatic retracted characteristic of telescopic rod 15 to push rod 2
Continuous, stable drawing is accommodated, therefore is not necessarily to manual operation in the lengthy procedure that medical fluid progresses into terminal injecting assembly, is reduced
The burden of user, it is easy to operate, it is time saving and energy saving；And since the drawing that telescopic rod 15 implements push rod is very gentle, steady
It is fixed, avoid as stress is larger and the damage caused by terminal injecting assembly；This medicine taking device can easily preset medicine taking amount, essence
Exactness is high, is applicable to the terminal injecting assembly of plurality of specifications.
Furthermore, referring to shown in Fig. 2,3,7, in this needleless injector terminal injecting assembly medicine taking device, medicine is taken
In the process, limiting plate 13, pedestal 9 and 19 three position of guide sleeve are relatively fixed, and are supported by pedestal 12, therefore the restriction
Plate 13, pedestal 9, guide sleeve 19 and pedestal 12 are integrally formed using same material, thus advantageously ensure that integral strength and reduction
Metal material can be selected in manufacturing cost, making material, and portability is improved to reduce density, light composite material also can be used
Production.
Furthermore, referring to shown in Fig. 2,3,7, in order to guarantee that this needleless injector terminal injecting assembly medicine taking device can
Meet the operation requirement of any medicine taking amount of terminal injecting assembly, the push rod, which quantitatively pulls part, has following technical characteristic:
A. during taking medicine, when terminal injecting assembly Chinese medicine dose is that zero i.e. push rod 2 is located at front end, such as telescopic rod 15
Rear end is not locked the locking of mechanism 17, then catch mechanism 14 can be in telescopic rod 15 and be fully retracted under state and 2 rear end of push rod
The connection of 1 clamping of shock portion, and external thread sleeve 21 can be moved forward to its front end and supported with catch mechanism 14 by rotation；
B. during taking medicine, when terminal injecting assembly Chinese medicine liquid is filled i.e. push rod 2 is located at rearmost end when, such as telescopic rod 15
Rear end be locked mechanism 17 locking and catch mechanism 14 connect with 1 clamping of shock portion of 2 rear end of push rod, then telescopic rod 15 should still be located
In tensional state, and at this time, catch mechanism 14 is limited by external thread sleeve 21 and can not continue to move back, while external thread sleeve 21 is in its row
The rearmost end of journey and it can not continue to adjust position backward；
Thus one, this needleless injector terminal injecting assembly medicine taking device can meet terminal injecting assembly zero to maximum
Any medicine taking amount setting in constant volume；And when ensure that placement terminal injecting assembly, the shock portion 1 of 2 rear end of push rod can facilitate
Connect with catch mechanism 14；Simultaneously, it is therefore prevented that push rod 2 is excessively pulled backward avoids the dose in medicine-storing tube 5 beyond specified
Maximum dose.
Furthermore, as shown in Figure 2,3, at this convenient for the needleless injector terminal injecting assembly medicine taking device of operation
In, pedestal 9 is fixed on pedestal 12 and is that pressure cap 10 provides support, and makes pressure cap 10 in a certain range and can be moved forward and backward, and presses
The pushing top spring 29 for driving it to reset backward is equipped on front side of cap 10；This technical effect is easily achieved using the prior art, such as
The slideway and sliding block slidably cooperated can be respectively set on pedestal 9 and pressure cap 10, so that pressure cap 10 can be in a stroke
Interior back-and-forth motion, pushing top spring 29 may be provided at 10 rear side of pressure cap, and one end is fixedly connected with pressure cap 10, and the other end then can be by base
Seat 9 or pedestal 12 provide support, and thus one, pushing top spring 29 can drive pressure cap 10 to reset backward automatically；But use above-mentioned knot
Structure is unfavorable for guaranteeing the compactedness that pedestal 9 and pressure cap 10 cooperate, and is also unfavorable for reducing the work other than axial direction suffered by pressure cap 10
Firmly, the force stability of pressure cap 10 is reduced.For this purpose, in the present invention, pressure cap 10 and pedestal 9 can be used under type such as and carry out
Cooperation:
I.e. as shown in figure 8,10 two sides of pressure cap are respectively provided with a guide rod 30 extended forward, two guide rods 30 and pressure
The central axis of 10 three of cap is generally aligned in the same plane；And pedestal 9 is located at the front side of pressure cap 10, before opening there are two two guide rods 30 are supplied
The pilot hole 31 slided afterwards；The front end of two guide rods 30 is equipped with the spacing head for preventing guide rod 30 from slipping from pilot hole 31
32；There are two the pushing top spring 29 is set, it is nested with outside two guide rods 30 and between pedestal 9 and pressure cap 10, uses respectively
In driving pressure cap 10 to reset backward；The middle part of pedestal 9 is provided with the groove 33 being in U-shape that front and back extends, to be drawn by pressure cap 10
Conduit 8 continue to extend back；Thus one, pedestal 9 and the cooperation of pressure cap 10 are more compact, advantageously reduce terminal injection group
The overall volume of part fixed part, while ensure that active force suffered by pressure cap 10 is concentrated mainly in axial direction, make 10 work of pressure cap
Work is more stable, and the resist force applied to terminal injecting assembly is more balanced.
Furthermore, referring to shown in Fig. 4,7, this makes convenient for the needleless injector terminal injecting assembly medicine taking device of operation
The main body of terminal injecting assembly is placed in the operating process of terminal injecting assembly fixed part by the used time, is on the one hand needed as far as possible
Guarantee the front end center overlapping of axles of glue bowl 23 and terminal injecting assembly, the sealing fiting effect of the two is improved with this, it is another
Aspect needs the center overlapping of axles for guaranteeing pressure cap 10 and glue bowl 23 as far as possible, more equal with the pressure that this applies pressure cap 10 to glue bowl 23
Weighing apparatus is also beneficial to improve the fixed effect to terminal injecting assembly main part, but since pressure cap 10, glue bowl 23 and terminal are injected
Component is three independent parts, and the optimal above-mentioned positional relationship of realization is intended in terminal injecting assembly main body instrumentation and is bound to
It is not easy, there is certain operation difficulty, in order to reduce this operation difficulty, the present invention also has following improvement:
I.e. as shown in figure 8,23 bottom of glue bowl extends outwardly equipped with one and can be inserted into and match with 10 centre bore 25 of pressure cap
The bolt 34 of conjunction, 34 tail end of bolt are connect with conduit 8,34 inner hollow of bolt and by the medicine feeding hole of conduit 8 and 23 bottom of glue bowl
24 connection, when bolt 34 be inserted into pressure cap 10 centre bore 25 after, glue bowl 23 is located in the ball impression 11 of pressure cap 10, and glue bowl 23 and
The center overlapping of axles of both pressure caps 10；Thus one, on the one hand the effect of positioning is born in the cooperation of bolt 34 and centre bore 25,
Guarantee both pressure cap 10 and glue bowl 23 coaxial combination, on the other hand bears the effect of connector again, it can be in placement terminal injection group
Before part, glue bowl 23 and pressure cap 10 are accurately combined, to reduce the operation that terminal injecting assembly correctly disposes
Difficulty, and improve fixed effect.
Furthermore, referring to shown in Fig. 5,6,7, medicine is taken to fill in the needleless injector terminal injecting assembly originally convenient for operation
In setting, telescopic rod 15 should have biggish telescopic extensions and stable contracting property, since meet terminal injecting assembly and arbitrarily take
The operation requirement of dose, and guarantee the stability pulled to push rod 2；The telescopic extensions of telescopic rod 15 can by increase front bar 39 with
The length at the mating position of rear bar 36 improves, and resilience performance is then determined by the elastic component 35 in telescopic rod 15, therefore bullet
Property part 35 should using with it is good elasticity as premise, in addition to this, elastic component 35 should also have enough length to improve it
Producible elastic deformation range, to meet the flexible stroke needs of telescopic rod 15, in the present invention, in order to guarantee elastic component 35
With enough length, and following design can be used in the entire length without increasing telescopic rod 15 thus, telescopic rod 15:
I.e. as shown in Figures 9 and 10, the front bar 39 that the telescopic rod 15 is combined by grafting is composed with rear bar 36, front bar
39 rear end is provided with forward the grafting chamber 38 for the insertion of 36 front end of rear bar of a blind hole shape, and grafting chamber 38 is inserted into 36 front end of rear bar
Interior and can slide axially, the front end of rear bar 36 is provided with the column chamber 37 of a blind hole shape backward, and grafting is fixed in one end of elastic component 35
The bottom of chamber 38, the other end are then fixed on the bottom of 36 column chamber 37 of rear bar, with this under the premise of 15 length of telescopic rod is certain most
Spring or rubber rope can be used in the length for improving elastic component 35 of limits, elastic component 35, to improve the elasticity of elastic component 35
Performance, the final flexible stroke needs for guaranteeing the producible elastic deformation range of elastic component 35 and can satisfy telescopic rod 15.
Furthermore, referring to shown in Fig. 6,7, originally it is being convenient for the needleless injector terminal injecting assembly medicine taking device operated
In, retaining mechanism 17 is mainly used for for the tail end of telescopic rod 15 being locked in the last end position of stroke, is based on this technical purpose, lock
17 need of tight mechanism have the ability for the retraction force that can 15 tail end of telescopic rod be fixed and be overcome telescopic rod 15, therefore lock
Tight mechanism 17 can be used such as flowering structure:
As shown in figure 11, the retaining mechanism 17 includes a locking pin 42, and locking pin 42 is by being arranged in guide sleeve 19
The key seat 41 of tail end is limited and can be moved up and down, and the upper end of locking pin 42 extends to 41 top of key seat and is fixed with handle 40, under
End is then equipped with the reset spring 46 for driving it to reset upwards；The rear end of telescopic rod 15 is equipped with a pre-large post-small tapered cap 43, and
The front side of locking pin 42 is provided with the locking slot 44 for accommodating tapered cap 43, is equipped with convex be used on the downside of the front end of locking slot 44
Support the tongue 45 of 43 front end of tapered cap；When 15 rear end of telescopic rod moves back, tapered cap 43 can drive locking by tapered slope
Pin 42 overcomes 46 thrust of reset spring and moves down, and after tapered cap 43 falls completely within locking slot 44, reset spring 46 drives locking
Pin 42 moves up, and tongue 45 and 43 rear end of tapered cap support and be defined to tapered cap 43 in locking slot 44；Thus one, it stretches
15 rear end of bar can be locked automatically when being moved rearwardly into rearmost end mechanism 17 locking, after the completion of taking medicine, press handle 40 downwards,
Locking pin 42 overcomes 46 thrust of reset spring and moves down, and tongue 45 and 43 rear end of tapered cap are detached from, that is, relieves retaining mechanism 17
Locking to 15 rear end of telescopic rod.
Furthermore, referring to shown in Figure 11, retaining mechanism 17 is using structure above-mentioned, it can be achieved that locking in the present invention
The technical requirements of mechanism 17, while operation is also more convenient, but the structure of aforementioned locking mechanism 17 is slightly complicated, it is not compact enough,
And manufacture difficulty is larger, is unfavorable for reducing cost.For this purpose, in the present invention, retaining mechanism 17 also has another more simple
Single feasible, embodiment being easy to make, specific structure are as follows:
I.e. as shown in Figure 12,13, the retaining mechanism 17 includes a limiting slot 50, and the limiting slot 50 is by 16 tail of guide groove
It holds recessed to side and is formed；The rear end of telescopic rod 15 can be relatively rotated with front end, when the shank 18 that 15 rear end of telescopic rod is fixed
After being moved to 16 tail end of guide groove, can be entered in limiting slot 50 by rotation enables 18 axial position of shank to limit, i.e., will
The rear end of telescopic rod 15 is locked in the last end position of its stroke；Thus one, 15 rear end of telescopic rod is moved rearwardly into rearmost end
Behind position, shank 18 is screwed in limiting slot 50,15 rear end of telescopic rod can be made locked and can not be moved axially, when taking medicine complete
Cheng Hou, by shank 18 from rotation to guide groove 16, the rear end of telescopic rod 15 can be moved forward at this time, that is, relieve in limiting slot 50
Locking of the retaining mechanism 17 to telescopic rod 15；The embodiment is more easy, operate it is also more convenient, especially structure simply at
This is cheap.
Furthermore, in the needleless injector terminal injecting assembly medicine taking device at this convenient for operation, catch mechanism 14
It is mainly used for clamping shock portion 1 and drawing backward is implemented to push rod 2, therefore the knot of existing clamping device can be used in catch mechanism 14
Structure, but operation is not convenient enough, and placement and taking-up terminal injecting assembly are more troublesome, it is contemplated that shock portion 1 is usually straight compared with push rod 2
Diameter is big, therefore catch mechanism 14 can be used such as flowering structure:
I.e. as shown in Figure 13,14, the catch mechanism 14 includes one and is fixedly connected with 15 front end of telescopic rod and forward
The U-shaped frame 49 of extension, U-shaped frame 49 are fixedly arranged at the front end with clamping seat 47, and the upper end of clamping seat 47 is provided with a securing groove 48 downwards,
Push rod 2 may pass through securing groove 48 and the rear side that makes the shock portion 1 of tail end be defined in clamping seat 47, and thus one, placement terminal note
It only needs to be put into shock portion 1 from top to bottom in U-shaped frame 49 when penetrating component, when medicine being taken to complete to take out terminal injecting assembly, only
Shock portion 1 need to be taken out out of U-shaped frame 49 from bottom to top, it is easy to operate, and clamping excellent effect.
Furthermore, referring to the needleless injector terminal injecting assembly medicine taking device shown in Fig. 7, operated by this
From the point of view of working principle, it is necessary to which guarantee pressure cap 10,15 three center overlapping of axles of terminal injecting assembly and telescopic rod as far as possible can be protected
The stability of medicine taking device work is demonstrate,proved, the accuracy controlled medicine taking amount is improved, this allows for terminal injecting assembly and infuses in terminal
Required by the installation position penetrated in component seating portion has, when for installing terminal injecting assembly, fast can accurately it be placed in
Correct position, this also has following improvement convenient for the needleless injector terminal injecting assembly medicine taking device of operation:
I.e. as shown in Fig. 3,4,7,12 upper surface of pedestal be equipped with spill at be used for support terminal injection group
The placement seat 55 of part thread bush 3, the placement seat 55 are located at the front side of limiting plate 13, when the thread bush 3 of terminal injecting assembly is placed
After on the placement seat 55, terminal injecting assembly and 15 three center overlapping of axles of pressure cap 10 and telescopic rod；Thus one, terminal note
The placement operation for penetrating component is more convenient, and position is more accurate.
Furthermore, this is applicable to plurality of specifications convenient for the needleless injector terminal injecting assembly medicine taking device of operation
Terminal injecting assembly, but the internal diameter due to the medicine-storing tube 5 of the terminal injecting assembly of different size and length may be different, preceding
Face had carried out associated description, when this results in push rod 2 to be moved rearwardly into same position, the terminal injecting assembly of different model
Practical medicine taking amount achieved is different, and also not in fixed ratio between these terminal injecting assemblies practical medicine taking amount achieved
Example relationship is not applied for the terminal injection group of a variety of different models so that the scale 20 on guide sleeve 19 does not have versatility
The medicine taking amount of part is arranged.The present invention in order to solve this technical problem, also has following improvement, specific structure are as follows:
As shown in figure 15, the outer wall of the guide sleeve 19 is equipped with five groups of scales 20 of 3-5, every group of scale 20 corresponding one
The terminal injecting assembly of model is planted, scale numerical value corresponding to 21 tail end of external thread sleeve is that catch mechanism 14 is supported with 21 front end of external thread sleeve
The dose sucked in the terminal injecting assembly of model is corresponded to behind top.
Furthermore, needleless injector for insulin injection be it is the most universal, since diabetic needs day
Often injection, therefore the portability of needleless injector and its corollary apparatus don't fail to consider, it is disclosed in this invention convenient for operation
Needleless injector terminal injecting assembly medicine taking device structure it is more compact, volume is more small and exquisite, have portable characteristic,
But if having the function of folding, then portability can further be promoted, it is more convenient to bring for user, for this purpose, this hair
It is bright that also there is following improve to this medicine taking device:
I.e. as shown in Figure 16,17,18,19, the pedestal 12 is connected by leading portion 51 and 53 two parts of back segment through shaft 52
It forming, terminal injecting assembly fixed part is fixed on 51 upside of leading portion, and push rod quantitatively pulls part and is fixed on 53 upside of back segment, after
53 downside of section is provided with the accommodating groove 54 that can accommodate 51 lower part of leading portion, and leading portion 51 and back segment 53 can carry out 0-180 degree rotation；It uses
When, by leading portion 51 and the rotation of back segment 53 to linear can carry out that medicine is taken to operate, when carrying, by leading portion 51 and back segment 53 into
Row folds, and keeps medicine taking device integrally more compact, is more conducive to storing and carry.
Claims (4)
1. a kind of needleless injector terminal injecting assembly medicine taking device convenient for operation, characterized in that it comprises:
Conduit tube component is made of glue bowl and the syringe needle connected through conduit, and glue bowl bottom is provided with medicine feeding hole, medicine feeding hole through conduit with
Syringe needle communicates, and glue bowl is used to seal cooperation with terminal injecting assembly front end and be connected to injection orifice only with glue bowl medicine feeding hole；
Pedestal, it is in long strip, for providing support for other component；
Terminal injecting assembly fixed part, is made of hold-down mechanism and limiting plate；Limiting plate is fixed on the upside of pedestal, for supporting
Hold the breech face of the thread bush of terminal injecting assembly, U-shaped hole is provided on limiting plate so that the push rod of terminal injecting assembly passes through and
It can continue to extend back；Hold-down mechanism is located at the front side of limiting plate, is made of pressure cap and pedestal；Pedestal is fixed on the upside of pedestal
And support is provided for pressure cap, and be moved forward and backward pressure cap can in a certain range；The rear end face of pressure cap has for accommodating glue bowl
Ball impression, the centre bore passed through for conduit is provided on pressure cap, is equipped with the pushing top spring for driving it to reset backward on front side of pressure cap；?
Under the ejection of pushing top spring, the front end of glue bowl and terminal injecting assembly can be fixed for pressure cap, and glue bowl and terminal is driven to be infused
Penetrate the front end sealing cooperation of component；
Push rod quantitatively pulls part, and the rear side of terminal injecting assembly fixed part is arranged in comprising one by pedestal support
Guide sleeve, define in guide sleeve one can be moved forward and backward along guide sleeve and can automatic retracted telescopic rod；The front end of telescopic rod with
Guide sleeve can not relative rotation, and its telescopic rod front end extends in front of guide sleeve and with one for clamping terminal injecting assembly
The catch mechanism in shock portion is fixedly connected, telescopic rod and pressure cap center overlapping of axles；The side wall of guide sleeve is provided with leading for front and back extension
Slot, the rear end of telescopic rod are connected with the shank that can be slided along guide groove, and the outer end of the shank extends to outside guide sleeve through guide groove；It leads
A retaining mechanism that flexible rod rear end can be locked is equipped with to putting on；When the shock portion of catch mechanism clamping terminal injecting assembly,
Flexible rod rear end be locked mechanism locking when, telescopic rod in tensional state and can to the push rod of terminal injecting assembly implement pull；
The front end of guide sleeve is equipped with the threaded portion big compared with its diameter, and an external thread sleeve is nested with outside telescopic rod and cooperates with threaded portion,
By rotation adjustable axial position, external thread sleeve is used to limit the terminal location that catch mechanism moves backward and plays tune external thread sleeve
The effect of the push rod drawing amount of terminal injecting assembly is saved, the outer wall of guide sleeve is equipped with scale, quarter corresponding to external thread sleeve tail end
Degree value supports the dose sucked in rear terminal injecting assembly by catch mechanism and external thread sleeve front end；
The pedestal is formed by connecting by leading portion and back segment two parts through shaft, and terminal injecting assembly fixed part is fixed on leading portion
Upside, push rod quantitatively pull part and are fixed on the upside of back segment, are provided with the accommodating groove of pars infrasegmentalis before can accommodating on the downside of back segment, leading portion with
Back segment can carry out 0-180 degree rotation.
2. a kind of needleless injector terminal injecting assembly medicine taking device convenient for operation according to claim 1, feature
Be: the push rod, which quantitatively pulls part, has following technical characteristic:
A. during taking medicine, when terminal injecting assembly Chinese medicine dose is that zero i.e. push rod is located at front end, such as flexible rod rear end is not
The mechanism that is locked locking, then catch mechanism can be connect in the case where telescopic rod is in and is fully retracted state with shock portion clamping, and outer spiral shell
Set is adjustable to its front end and supports with catch mechanism；
B. during taking medicine, when terminal injecting assembly Chinese medicine liquid is filled i.e. push rod is located at rearmost end when, such as flexible rod rear end quilt
Retaining mechanism locking and catch mechanism is connect with shock portion clamping, then telescopic rod should be still in tensional state, and clamping machine at this time
Structure is limited by external thread sleeve and can not continue to move back, while external thread sleeve can not continue to adjust position backward.
3. a kind of needleless injector terminal injecting assembly medicine taking device convenient for operation according to claim 1, feature
Be: the retaining mechanism include a locking pin, locking pin limited by the key seat that guide sleeve tail end is arranged in and can be upper and lower
Mobile, the upper end of locking pin extends to above key seat and is fixed with handle, and lower end is then equipped with the reset bullet for driving it to reset upwards
Spring；The rear end of telescopic rod is equipped with a pre-large post-small tapered cap, and the locking for accommodating tapered cap is provided on front side of locking pin
The front end downside of slot, locking slot is equipped with the convex tongue for being used to support tapered cap front end；When flexible rod rear end moves back, taper
Cap can drive locking pin that reset spring thrust is overcome to move down by tapered slope, multiple after tapered cap falls completely within locking slot
Position spring drives locking pin to move up, and tongue and tapered cap rear end support and be defined to tapered cap in locking slot.
4. a kind of needleless injector terminal injecting assembly medicine taking device convenient for operation according to claim 1, feature
Be: the outer wall of the guide sleeve is equipped with five groups of scales of 3-5, and every group of scale corresponds to a kind of terminal injection group of model
Part, scale numerical value corresponding to external thread sleeve tail end are the terminal injection group that model is corresponded to after catch mechanism is supported with external thread sleeve front end
The dose sucked in part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113663.7A CN109550116A (en) | 2016-12-09 | 2016-12-09 | Convenient for the needleless injector terminal injecting assembly medicine taking device of operation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129063.2A CN106540361B (en) | 2016-12-09 | 2016-12-09 | Needleless injector terminal injecting assembly medicine taking device |
| CN201910113663.7A CN109550116A (en) | 2016-12-09 | 2016-12-09 | Convenient for the needleless injector terminal injecting assembly medicine taking device of operation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611129063.2A Division CN106540361B (en) | 2016-12-09 | 2016-12-09 | Needleless injector terminal injecting assembly medicine taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109550116A true CN109550116A (en) | 2019-04-02 |
Family
ID=58397227
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113665.6A Withdrawn CN109550118A (en) | 2016-12-09 | 2016-12-09 | A kind of medicine taking device of needleless injector terminal injecting assembly |
| CN201910113663.7A Withdrawn CN109550116A (en) | 2016-12-09 | 2016-12-09 | Convenient for the needleless injector terminal injecting assembly medicine taking device of operation |
| CN201910113664.1A Withdrawn CN109550117A (en) | 2016-12-09 | 2016-12-09 | The medicine taking device of needleless injector terminal injecting assembly |
| CN201910113685.3A Withdrawn CN109550119A (en) | 2016-12-09 | 2016-12-09 | Needleless injector terminal injecting assembly drug taking device |
| CN201611129063.2A Active CN106540361B (en) | 2016-12-09 | 2016-12-09 | Needleless injector terminal injecting assembly medicine taking device |
| CN201910113687.2A Withdrawn CN109550121A (en) | 2016-12-09 | 2016-12-09 | A kind of needleless injector terminal injecting assembly drug taking device |
| CN201910113686.8A Withdrawn CN109550120A (en) | 2016-12-09 | 2016-12-09 | A kind of needleless injector terminal injecting assembly medicine taking device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113665.6A Withdrawn CN109550118A (en) | 2016-12-09 | 2016-12-09 | A kind of medicine taking device of needleless injector terminal injecting assembly |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113664.1A Withdrawn CN109550117A (en) | 2016-12-09 | 2016-12-09 | The medicine taking device of needleless injector terminal injecting assembly |
| CN201910113685.3A Withdrawn CN109550119A (en) | 2016-12-09 | 2016-12-09 | Needleless injector terminal injecting assembly drug taking device |
| CN201611129063.2A Active CN106540361B (en) | 2016-12-09 | 2016-12-09 | Needleless injector terminal injecting assembly medicine taking device |
| CN201910113687.2A Withdrawn CN109550121A (en) | 2016-12-09 | 2016-12-09 | A kind of needleless injector terminal injecting assembly drug taking device |
| CN201910113686.8A Withdrawn CN109550120A (en) | 2016-12-09 | 2016-12-09 | A kind of needleless injector terminal injecting assembly medicine taking device |
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| Country | Link |
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| CN (7) | CN109550118A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498830B (en) * | 2018-05-28 | 2021-03-26 | 刘明 | Medical degassing unit for dispensing robot |
| CN111012429B (en) * | 2020-01-13 | 2021-02-26 | 福建骏格科技有限公司 | Special syringe of folded form chain hemostasis device |
| CN115154766B (en) * | 2022-06-21 | 2023-10-20 | 江苏乐聚医药科技有限公司 | Self-energizing device for needleless injector |
| CN115591055B (en) * | 2022-08-24 | 2023-11-07 | 江苏乐聚医药科技有限公司 | Differential needleless injector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3949746A (en) * | 1974-09-03 | 1976-04-13 | Animal Systems, Inc. | Animal injector apparatus |
| US5722956A (en) * | 1995-08-24 | 1998-03-03 | The General Hospital Corporation | Multi-dose syringe driver |
| CN2369695Y (en) * | 1999-04-19 | 2000-03-22 | 董维娜 | Self control medicine pumping and adding device |
| CN2460103Y (en) * | 2000-11-10 | 2001-11-21 | 陈子光 | Medical automatic medine adding apparatus |
| CN102497846B (en) * | 2009-09-17 | 2013-12-18 | 松下电器产业株式会社 | Medicinal solution injection device and medicinal solution injection method |
-
2016
- 2016-12-09 CN CN201910113665.6A patent/CN109550118A/en not_active Withdrawn
- 2016-12-09 CN CN201910113663.7A patent/CN109550116A/en not_active Withdrawn
- 2016-12-09 CN CN201910113664.1A patent/CN109550117A/en not_active Withdrawn
- 2016-12-09 CN CN201910113685.3A patent/CN109550119A/en not_active Withdrawn
- 2016-12-09 CN CN201611129063.2A patent/CN106540361B/en active Active
- 2016-12-09 CN CN201910113687.2A patent/CN109550121A/en not_active Withdrawn
- 2016-12-09 CN CN201910113686.8A patent/CN109550120A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN109550117A (en) | 2019-04-02 |
| CN106540361B (en) | 2019-05-21 |
| CN109550120A (en) | 2019-04-02 |
| CN109550121A (en) | 2019-04-02 |
| CN109550118A (en) | 2019-04-02 |
| CN109550119A (en) | 2019-04-02 |
| CN106540361A (en) | 2017-03-29 |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190402 |