CN213608941U

CN213608941U - High-precision control quantity injector for medical treatment

Info

Publication number: CN213608941U
Application number: CN202021079804.2U
Authority: CN
Inventors: 巫丽青; 覃智; 陆波; 韩甜甜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-07-06
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a medical treatment is with high accuracy control volume syringe, including injection syringe and card button, the rear end of injection syringe is connected with terminal funnel, and the rear side of terminal funnel is connected with the end pipe, the rear end of end pipe is fixed with the long tube, and the outside surface of long tube is provided with the volume scale groove, the last surface mounting of accuracy control end has adjust knob, be fixed with spring fixture block under the card button, and the right side of spring fixture block installs the card gear, the bottom side of card gear is fixed with adjusting gear, and the left side of adjusting gear settles and have the rack, the outside of push rod is provided with the rebound spring. Can let it can carry out the block through the removal pine hand back of pivoted mode control pushing part through adjusting gear and rack and prevent reverse removal with the subassembly, and holistic precision need not to extrude it when inside liquid volume is more and press down simultaneously and unclamp after the imbibition can kick-back automatically and provide convenience for the use when can be convenient for control propelling movement liquid.

Description

High-precision control quantity injector for medical treatment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medical high-precision controlled quantity injector.

Background

Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. Injecting gas into a blood vessel will cause air embolism. The method of removing air from the syringe to avoid embolism is to invert the syringe, tap it gently, and then squeeze out a little liquid before injecting into the bloodstream. This use improves upon existing problems with respect to problems encountered in use.

In the syringe use in market, solution can not reach accurate solution volume because of inside atmospheric pressure shrink when pulling the imbibition, and the terminal narrower department passageway is difficult for wasing with the rear end intercommunication, and application range is comparatively limited not to the experiment use, need prick the needle again when infusing around dividing, and the injection is easy because of the nature is not too produced the problem that the insoluble condition reduced the drug effect after the solution is placed, and for this, we propose a higher syringe of practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical treatment is with high accuracy control volume syringe to solution does not reach accurate solution volume because of inside atmospheric pressure shrink when the pulling imbibition that proposes in solving above-mentioned background art, the terminal narrower department passageway is difficult for wasing with the rear end intercommunication, and application range is comparatively limited not suitable for the experiment use, need prick the needle separately again when the branch front and back infusion, and the solution is placed the back injection and is easily reduced the problem of drug effect because of the nature is not too produced insoluble condition.

In order to achieve the above object, the utility model provides a following technical scheme: a medical high-precision control quantity injector comprises an injection tube and a clamping button, wherein the rear end of the injection tube is connected with a terminal funnel, the rear side of the terminal funnel is connected with an end tube, the rear end of the end tube is fixedly provided with a long tube, the outer side surface of the long tube is provided with a volume scale groove, the left side of the long tube is provided with a transfusion end, the left side surface of the transfusion end is provided with a sealing cover, the rear side of the transfusion end is provided with a grab handle, the end of the grab handle is fixedly provided with a precision control end, the upper surface of the precision control end is provided with an adjusting knob, the clamping button is arranged on the left side of the adjusting knob, the rear end of the precision control end is connected with a push rod, a transfusion channel is arranged inside the end tube, the left side of the transfusion channel is connected with a flow conveying tube, the left side of the flow conveying tube is provided with a flow conveying port, and, and a clamping gear is installed on the right side of the spring clamping block, an adjusting gear is fixed on the bottom side of the clamping gear, a rack is arranged on the left side of the adjusting gear, and a rebound spring is arranged on the outer side of the push rod.

Preferably, the injection tube is fixedly connected with the end funnel, the end funnel is in threaded connection with the end tube, and a communicating structure is formed between the end tube and the long tube.

Preferably, the grab handle and the precision control end are fixedly connected, and the infusion distributing end and the grab handle form a communicating structure.

Preferably, a communication structure is formed between the branch conveying channel and the flow conveying pipe, and a communication structure is formed between the flow conveying pipe and the flow conveying port.

Preferably, the spring clamping block is in meshed connection with the gear clamping wheel, and an elastic structure is formed between the spring clamping block and the precision control end.

Preferably, an elastic structure is formed between the rebound spring and the push rod, the push rod is fixedly connected with the rack, and the adjusting gear is meshed with the rack.

Compared with the prior art, the beneficial effects of the utility model are that:

this medical treatment is with high accuracy control volume syringe is provided with terminal funnel and end pipe, can let it dismantle so that realize the change of part through the mode of screw thread concatenation through terminal funnel and end pipe, and can make its cleanness in order to reach better clean effect through dismantling the structure so that realize washing to inside, be provided with grab handle and accuracy control end, can let it be convenient for fry through the mode of holding control and use through grab handle and accuracy control end, and holistic simple structure weight is applicable to multiple using-way application scope such as medical treatment and experiment more extensively than light.

The medical high-precision control quantity injector is provided with a branch transmission channel and a transmission pipe, two kinds of liquid can be simultaneously injected through an additionally expanded transfusion port through the branch transmission channel and the transmission pipe, two kinds of solutions do not need to be fully mixed under emergency, the two kinds of solutions can be sequentially input without additionally puncturing, a spring fixture block and a clamping gear are arranged, the two kinds of solutions can be pressed downwards through the spring fixture block and the clamping gear to enable the lower end of a component to be matched with the gear to prevent movement, and the situation that movement is generated due to internal air pressure and the difference of the external world can be conveniently prevented through the mode so as to reduce internal residual gas.

This medical treatment is with high accuracy control volume syringe is provided with adjusts gear and rack, can let it can carry out the block through the removal pine hand back of pivoted mode control pushing component through adjusting gear and rack and prevent reverse movement with the subassembly, and holistic precision need not to extrude it when inside liquid volume is more and press down simultaneously and unclamp the imbibition back and can kick-back for the use provides convenience when can be convenient for control propelling movement liquid time.

Drawings

FIG. 1 is a schematic view of the front three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic view of the front plane structure of the present invention.

In the figure: 1. an injection tube; 2. a terminal funnel; 3. an end tube; 4. a long tube; 5. a volume scale groove; 6. a transfusion end is divided; 7. a sealing cover; 8. a handle; 9. a precision control end; 10. adjusting a knob; 11. a clamping button; 12. a push rod; 13. a branch transmission channel; 14. a fluid delivery pipe; 15. a fluid delivery port; 16. a spring clamping block; 17. a gear is clamped; 18. an adjusting gear; 19. a rack; 20. a rebound spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a medical high-precision control quantity injector comprises an injection tube 1 and a clamping button 11, wherein the rear end of the injection tube 1 is connected with a terminal funnel 2, the rear side of the terminal funnel 2 is connected with an end tube 3, the rear end of the end tube 3 is fixedly provided with a long tube 4, the outer side surface of the long tube 4 is provided with a volume scale groove 5, the injection tube 1 is fixedly connected with the terminal funnel 2, the terminal funnel 2 is in threaded connection with the end tube 3, a communicating structure is formed between the end tube 3 and the long tube 4, the terminal funnel 2 and the end tube 3 are arranged, the injection tube can be disassembled in a threaded splicing mode through the terminal funnel 2 and the end tube 3 so as to realize replacement of parts, and the disassembly structure is used for conveniently cleaning the inside so as to achieve a better cleaning effect; the left side of the long tube 4 is provided with a transfusion dividing end 6, the left side surface of the transfusion dividing end 6 is provided with a sealing cover 7, the rear side of the transfusion dividing end 6 is provided with a grab handle 8, the tail end of the grab handle 8 is fixed with a precision control end 9, the grab handle 8 is fixedly connected with the precision control end 9, the transfusion dividing end 6 and the grab handle 8 form a communication structure, the grab handle 8 and the precision control end 9 are arranged, the grab handle 8 and the precision control end 9 can be used for conveniently stir-frying, controlling and using in a holding mode, the whole structure is simple, the weight is light, and the device is suitable for various using modes such as medical treatment, experiment and the like, and the application;

an adjusting knob 10 is installed on the upper surface of a precision control end 9, a clamping button 11 is arranged on the left side of the adjusting knob 10, the tail end of the rear side of the precision control end 9 is connected with a push rod 12, a branch conveying channel 13 is arranged inside an end pipe 3, the left side of the branch conveying channel 13 is connected with a flow conveying pipe 14, a communication structure is formed between the branch conveying channel 13 and the flow conveying pipe 14, a communication structure is formed between the flow conveying pipe 14 and a flow conveying port 15, the branch conveying channel 13 and the flow conveying pipe 14 are arranged, two kinds of liquid can be injected simultaneously through the separately expanded flow conveying ports through the branch conveying channel 13 and the flow conveying pipe 14 during injection, and in an emergency situation, the two kinds of liquid do not need to be fully mixed, so that the two kinds of liquid can be sequentially input; a flow delivery port 15 is formed in the left side of the flow delivery pipe 14, a spring clamping block 16 is fixed right below the clamping button 11, a clamping gear 17 is installed on the right side of the spring clamping block 16, the spring clamping block 16 is in meshed connection with the clamping gear 17, an elastic structure is formed between the spring clamping block 16 and the precision control end 9, the spring clamping block 16 and the clamping gear 17 are arranged, the lower end of a component can be matched with the gear to prevent movement through downward pressing of the spring clamping block 16 and the clamping gear 17, and the situation that movement is generated due to the fact that the internal air pressure is different from the external air pressure can be prevented through the elastic structure, so that residual gas in the component is reduced;

the bottom side of the clamping gear 17 is fixed with an adjusting gear 18, a rack 19 is arranged on the left side of the adjusting gear 18, a rebound spring 20 is arranged on the outer side of the push rod 12, an elastic structure is formed between the rebound spring 20 and the push rod 12, the push rod 12 is fixedly connected with the rack 19, the adjusting gear 18 is meshed with the rack 19, the adjusting gear 18 and the rack 19 are arranged, the adjusting gear 18 and the rack 19 can be used for controlling the pushing component to be clamped with the component to prevent reverse movement after the pushing component is loosened by a rotating mode, and the whole precision of the liquid pushing process can be controlled conveniently without extruding the liquid when the amount of the liquid in the inner part is large and simultaneously pressing the liquid absorption to loosen the liquid absorption to automatically rebound for use.

The working principle is as follows: for the injector, firstly, when the handle 8 is held by hand to press the push rod 12, the air in the long tube 4 is extruded through the push rod 12, the inner injection tube 1 is placed in the tail end funnel 2 to absorb the solution, the solution enters the long tube 4 through the direct current channel of the delivery channel 13 in the end tube 3, the volume scale groove 5 is arranged on the surface of the long tube 4 to judge the volume of the inner liquid, the push rod 12 is rebounded through the rebound spring 20 after the thumb is released to reset, the snap button 11 is in an unlocked state at the moment, when the snap button 11 is pressed, the spring fixture block 16 in the precision control end 9 is pressed down to be attached to the latch gear 17, the adjusting knob 10 is rotated to rotate the latch gear 17, when the spring fixture block 16 rotates clockwise along with the latch gear 17, the rest part is not hindered after the rotation to a certain angle, the spring fixture block 16 rebounds to be attached to the next tooth again under the action of the button rotating spring, the clamping gear 17 rotates to drive the adjusting gear 18 to rotate, so that the rack 19 moves downwards, the sealing cover 7 of the sub-infusion end 6 is taken down, the liquid medicine is filled into a small bottle with the same caliber as the flow transmission port 15, the small bottle is communicated with the flow transmission port 15, and the liquid medicine enters the sub-infusion channel 13 through the flow transmission pipe 14, and therefore the using process of the whole injector is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A medical high-precision controlled quantity injector comprises a syringe (1) and a clamping button (11), and is characterized in that: the rear end of the injection tube (1) is connected with a terminal funnel (2), the rear side of the terminal funnel (2) is connected with an end tube (3), the rear end of the end tube (3) is fixed with a long tube (4), the outer side surface of the long tube (4) is provided with a volume scale groove (5), the left side of the long tube (4) is provided with a sub-infusion end (6), the left side surface of the sub-infusion end (6) is provided with a sealing cover (7), the rear side of the sub-infusion end (6) is provided with a grab handle (8), the tail end of the grab handle (8) is fixed with a precision control end (9), the upper surface of the precision control end (9) is provided with an adjusting knob (10), a clamping button (11) is arranged on the left side of the adjusting knob (10), the rear end of the precision control end (9) is connected with a push rod (12), a sub-infusion channel (13) is arranged inside the, and the left side of the distribution channel (13) is connected with a flow conveying pipe (14), the left side of the flow conveying pipe (14) is provided with a flow conveying opening (15), a spring clamping block (16) is fixed under the clamping button (11), a clamping gear (17) is installed on the right side of the spring clamping block (16), an adjusting gear (18) is fixed on the bottom side of the clamping gear (17), a rack (19) is arranged on the left side of the adjusting gear (18), and a rebound spring (20) is arranged on the outer side of the push rod (12).

2. The medical high-precision controlled-volume injector as set forth in claim 1, wherein: the injection tube (1) is fixedly connected with the tail end funnel (2), the tail end funnel (2) is in threaded connection with the end tube (3), and a communicating structure is formed between the end tube (3) and the long tube (4).

3. The medical high-precision controlled-volume injector as set forth in claim 1, wherein: the grab handle (8) is fixedly connected with the precision control end (9), and a communicating structure is formed between the transfusion distribution end (6) and the grab handle (8).

4. The medical high-precision controlled-volume injector as set forth in claim 1, wherein: a communication structure is formed between the branch conveying channel (13) and the flow conveying pipe (14), and a communication structure is formed between the flow conveying pipe (14) and the flow conveying opening (15).

5. The medical high-precision controlled-volume injector as set forth in claim 1, wherein: the spring clamping block (16) is in meshed connection with the clamping gear (17), and an elastic structure is formed between the spring clamping block (16) and the precision control end (9).

6. The medical high-precision controlled-volume injector as set forth in claim 1, wherein: an elastic structure is formed between the rebound spring (20) and the push rod (12), the push rod (12) is fixedly connected with the rack (19), and the adjusting gear (18) is meshed with the rack (19).