CN106983935A - Injector for medical purpose with utensil chamber - Google Patents
Injector for medical purpose with utensil chamber Download PDFInfo
- Publication number
- CN106983935A CN106983935A CN201710345561.9A CN201710345561A CN106983935A CN 106983935 A CN106983935 A CN 106983935A CN 201710345561 A CN201710345561 A CN 201710345561A CN 106983935 A CN106983935 A CN 106983935A
- Authority
- CN
- China
- Prior art keywords
- core bar
- overcoat
- circumferential
- projection
- injector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
-
- 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
-
- 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
- A61M5/3129—Syringe barrels
- A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
-
- 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
-
- 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
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
Abstract
A kind of injector for medical purpose with utensil chamber, to realize the side of core bar have a utensil chamber for inserting injection needle of lateral openings, and core bar presses hand jagged positioned at the side of utensil chamber.In injector for medical purpose by before use, injection needle is placed into the utensil intracavitary of core bar;In injector for medical purpose by use, the taper lip of the instrument used for injection that the utensil intracavitary for being placed into core bar is pinched by the indentation, there of hand in core bar, takes out instrument used for injection at the lateral openings of utensil chamber;After injector for medical purpose is by use, after the instrument used for injection being inserted on the conehead of overcoat is removed, the lateral openings of instrument used for injection from utensil chamber are disposed into the utensil intracavitary into core bar again, then core bar is shifted onto behind bottom most of core bar to enter in overcoat, the less purpose of overall volume of the safety-type injector for medical purpose ultimately formed is reached, so as to be offered convenience to follow-up destroy.
Description
Technical field
The present invention relates to various injector for medical purpose, various disposable sterilized syringes are related specifically to, also especially
It is related to the disposable sterilized syringe of various pre-filled medicinal liquids, relates more specifically to various self-destructed disposables using sterile
Syringe, the self-destructed disposable also related more specifically to various pre-filled medicinal liquids uses asepsis injector, also relate more specifically to
Various safety-type disposable sterilized syringes, also relate more specifically to the safety-type disposable nothing to various pre-filled medicinal liquids
Bacterium syringe, also relates more specifically to various safety self-destructing disposable sterilized syringes, also relates more specifically to various
The safety self-destructing disposable sterilized syringe of pre-filled medicinal liquid.
Background technology
Various injector for medical purpose can be used for injecting and export various liquid, can be used for aspirating various liquid, may be used also
For being mixed various liquid or mixing various liquid with powder, pumping liquid or mixing in container can be also used for
Various liquid or mixing liquid and powder, can be also used for rinsing or cleaning of objects.Plugged on the conehead of various injector for medical purpose
After injection needle, various medicaments can be expelled in human body or the subcutaneous of animal, muscle, blood vessel or other histoorgans, also
Various liquid can be aspirated out of human body or the histoorgan of animal.Plugged on the conehead of various injector for medical purpose after fog-spray nozzle,
On the mucous membrane or other histoorgans that various medicaments can be sent forth to human body or animal.
Known conventional injector for medical purpose includes overcoat and core bar.Enough transparencies are cased with outside.It is cased with overcoat cavity outside.
The overcoat cavity end opening before and after overcoat respectively.There is back cover portion the front end of overcoat cavity.Before the back cover portion of overcoat cavity
There is conehead at end.The conehead of overcoat can be outer cone joint, or outer cone locked joints.During the conehead of overcoat can be
The conehead of hair style, or the conehead of inclined hair style.There is cone head hole in conehead.Cone head hole and overcoat cavity insertion.In overcoat
There is overcoat crimping at rear portion.There is volume scale on the outer surface of overcoat.The rear end of core bar has by hand, and there is sealing ring front portion.Core bar
Sealing ring inserted at overcoat cavity open rearward end in overcoat cavity after, manipulate core bar can make sealing ring empty in overcoat by hand
Intracavitary is moved forward and backward, and the sealing of the outer wall of sealing ring and the inwall formation injector for medical purpose of overcoat cavity coordinates.
The first unsatisfactory place of conventional injector for medical purpose is, after disposable sterilized syringe use, band
The injection needle of bacterium is exposed outside, easily cause serious infection to injure human body, also, due to the overcoat of syringe needle and syringe
Conehead engagement is tighter, and the action that both hands shed syringe needle and time set sheath closure syringe needle is to cause medical personnel to occur pricking wound most
High-risk action.World Health Organization WHO reported just have within every 30 seconds a medical personnel to be contaminated syringe needle and stab in 1999.The
Two kinds of unsatisfactory places are, disposable sterilized syringe and injection needle with sheath are separated in packing box;
Need first to take out syringe from packing box when in use, then the injection needle with sheath is taken out from packing box, then
Remove after sheath by injection needle install on the injector;After use, it is necessary to which injection needle is removed from syringe, then find shield
Set entangles injection needle, or is directly entangled the injection needle installed on the injector with sheath, is injured to prevent exposed injection needle
Human body;Whole operation process is cumbersome, and also easily user of service is damaged.The third unsatisfactory place is, once
Property using asepsis injector by after use, reuse disposable sterilized syringe can harmful to human health.
United States Patent (USP) US20120296277A1, US20150174339A1, US20150314079A1,
The various safety-type disposable sterilized syringes introduced in US20160008554A1 and US20160271340A1, are being used
Afterwards, the injection needle carried disease germs is taken in the overcoat cavity of syringe using various methods, it is to avoid the injection needle carried disease germs is made to human body
Into serious injury.The first unsatisfactory place of above-mentioned various injector for medical purpose is, safety-type disposable sterile note
The part of emitter is more more than the part of conventional disposable sterilized syringe more complicated, and the overall volume of injector for medical purpose is more
Greatly, assemble also more difficult, therefore production cost is much higher.Second of unsatisfactory place of above-mentioned various injector for medical purpose
It is that the chamber that fills of safety-type disposable sterilized syringe has multiple parts, and complete Inside Syringe is difficult to during topping up
The gas for filling chamber, can human body intravascular generation aeroembolism, human body is damaged.Above-mentioned various injector for medical purpose
The third unsatisfactory place be that after safety-type disposable sterilized syringe use, most of core bar stretches out overcoat, shape
It is larger into the overall volume after use, follow-up destroy is made troubles.The 4th kind of above-mentioned various injector for medical purpose makes us
Dissatisfied place is to coordinate between the injection needle and overcoat of safety-type disposable sterilized syringe for gap, will disposably make
With the injection of asepsis injector be needled into human body muscle and it is intravascular when, the needle point of injection needle is easily swung, cause behaviour
Slip up.
By above-mentioned it will be clear that known injector for medical purpose also needs to be improved further so that injector for medical purpose
Production cost it is lower, injector for medical purpose convenience more secure when used, injector for medical purpose is more easy to destroy after.
The content of the invention
The first object of the present invention is to propose a kind of injector for medical purpose, and realizing the side of core bar has putting for lateral openings
Enter the utensil chamber of injection needle, core bar presses hand jagged positioned at the side of utensil chamber.In injector for medical purpose by before use, injection
Pin is placed into the utensil intracavitary of core bar;In injector for medical purpose by use, being placed into core in being pinched by the indentation, there of hand for core bar
The taper lip of the injection needle of the utensil intracavitary of bar, takes out injection needle at the lateral openings of utensil chamber;In injector for medical purpose quilt
After use, after the injection needle being inserted on the conehead of overcoat is removed, then the lateral openings of injection needle from utensil chamber are disposed into core
The utensil intracavitary of bar, then shifts behind bottom core bar onto most of core bar and enters in overcoat, reaches ultimately form safety-type medical
The less purpose of overall volume of syringe, so as to be offered convenience to follow-up destroy.
The second object of the present invention is to propose a kind of injector for medical purpose, realizes conehead and circular cone inclined-plane and note by overcoat
The taper lip and bellmouth of emitter tool constitute the interface of instrument used for injection, are inserted in the bellmouth of injection needle on the conehead of overcoat
When, injection needle is fixed on the conehead of overcoat, reach by inject be needled into human body muscle or it is intravascular when avoid injection needle
The purpose that swings of needle point, so as to avoid causing operational error;After injector for medical purpose use, it is only necessary to pinch flat away from injection
The taper lip of the injection needle of syringe needle, injection needle can depart from the conehead of the overcoat of injector for medical purpose, both can be by the note carried disease germs
Penetrate pin to be put into collecting box, the injection needle carried disease germs can also be taken in the utensil intracavitary of the core bar of injector for medical purpose, operation is reached
During avoid contact to the purpose of syringe needle, so as to avoid the injection needle that carries disease germs from injuring human body.
The third object of the present invention is to propose a kind of injector for medical purpose, and realizing the rear portion of overcoat cavity has the locking of convex
Circumferential projection, there is the locking in locking circumferential recess, overcoat cavity the periphery of core bar, and circumferential projection is resiliently flexible crosses core
The circumferential projection of locking of bar enters in the locking circumferential recess of core bar.After injector for medical purpose use, aspirate and inject for single
Use requirement, it is contemplated that disposable process once completion, automatic start prevent reuse function, by injector for medical purpose
Overcoat and core bar lock together, then pinch the taper lip of the flat injection needle away from syringe needle, injection needle can depart from medical injection
The conehead of the overcoat of emitter, then the injection needle carried disease germs is put into collecting box;For before single injection core bar can carry out it is many
The use requirement of secondary suction, it is contemplated that disposable process once completion, pinch the taper lip of the flat injection needle away from syringe needle,
Injection needle can depart from the conehead of the overcoat of injector for medical purpose, and both the injection needle that carried disease germs can be put into collecting box, can also
The injection needle carried disease germs is taken in the utensil intracavitary of the core bar of injector for medical purpose, then optionally manually starting prevents from reusing
Function, the overcoat and core bar of injector for medical purpose are locked together or do not locked together;Pin will not be touched by reaching in operating process
The purpose of head, so as to both the injection needle carried disease germs can be avoided to cause serious injury human body, can avoid being reused again.
The fourth object of the present invention is to propose a kind of injector for medical purpose, and realizing the rear portion of overcoat cavity has the positioning of convex
There are multiple positioning circumferential recess of positioning axial projection and the axial arranged distribution along core bar circumferential projection, the periphery of core bar.When
Rotation core bar causes the positioning axial projection that the circumferential projection elastic deformation of the positioning in overcoat cavity crosses core bar to enter core bar
After in chosen positioning circumferential recess, the sealing ring for the core bar being constrained in overcoat cavity and the back cover portion of overcoat cavity it
Between chamber formation injector for medical purpose selected liquid capacity;Cause the circumferential projection of the positioning in overcoat cavity when rotating core bar
The positioning circumferential recess that elastic deformation crosses core bar is removed after the positioning circumferential recess of core bar, and manipulate core bar can make sealing by hand
Circle is moved forward and backward in overcoat cavity;Reach that the filling amount of injector for medical purpose can be with the purpose of accurate lock.
The fifth object of the present invention is to propose a kind of injector for medical purpose, realizes safety-type disposable sterilized syringe
Or the part of safety self-destructing disposable sterilized syringe is than the few injection needle of conventional disposable sterilized syringe
Sheath part, the phase of the structure of the topping up chamber of injector for medical purpose of the invention and conventional disposable sterilized syringe
Together, injector for medical purpose of the invention, which had both reached, is easy to exclude the gas for filling chamber and is easy to the purpose of assembling, and life is reached again
Produce cost and the production cost of conventional disposable sterilized syringe is similar, and than existing safety-type disposable nothing
The much lower purpose of the production cost of bacterium syringe or safety self-destructing disposable sterilized syringe.
The purpose of the present invention is achieved through the following technical solutions:
The injector for medical purpose of the present invention includes overcoat and core bar.Enough transparencies are cased with outside.It is cased with overcoat cavity outside.Outside
Cover the cavity end opening before and after overcoat respectively.There is back cover portion the front end of overcoat cavity.Front end in the back cover portion of overcoat cavity
There is conehead.The conehead of overcoat can be outer cone joint, or outer cone locked joints, can be the conehead of middle hair style,
It can also be the conehead of inclined hair style.There is cone head hole in conehead.Cone head hole and overcoat cavity insertion.There is overcoat volume at the rear portion of overcoat
Side.There is volume scale on the outer surface of overcoat.The rear end of core bar has by hand, and there is sealing ring front portion.Sealing ring can be with core bar
Monoblock type is made, can also be made with core bar split type.It is empty that the sealing ring of core bar inserts overcoat at overcoat cavity open rearward end
After intracavitary, manipulate core bar can be such that sealing ring is moved forward and backward in overcoat cavity by hand, outer wall and the overcoat cavity of sealing ring
The sealing of inwall formation injector for medical purpose coordinates.
Injection needle, fog-spray nozzle, conehead cap can be plugged on the conehead of the overcoat of the injector for medical purpose of the present invention or other are various
Instrument used for injection.There is circular cone inclined-plane the rear end of the conehead of overcoat.There are taper lip and bellmouth in the rear portion of instrument used for injection.Instrument used for injection
Taper lip be located at bellmouth rear portion.Axial groove can be distributed with the wall of the taper lip of instrument used for injection.Work as note
When the bellmouth of emitter tool is inserted on the conehead of overcoat, instrument used for injection is fixed on the conehead of overcoat.When pinching flat instrument used for injection
Taper lip when, the circular cone inclined-plane of rear end of the taper lip along the conehead of overcoat is moved, so that taper lip pushing syringe
Tool is moved forward so that the bellmouth of instrument used for injection departs from the conehead of overcoat.
The side of the core bar of the injector for medical purpose of the present invention can have the utensil chamber of lateral openings.Utensil intracavitary can insert note
Penetrate the instruments used for injection such as pin, fog-spray nozzle or conehead cap.There is intracavitary circumferential recess the rear end of utensil chamber.The intracavitary circumferential recess of utensil chamber
Lateral openings at circumferential width be less than instrument used for injection taper lip diameter and utensil chamber intracavitary circumferential recess it is straight
Footpath.The hand of pressing of core bar can be with jagged in the side positioned at utensil chamber.When instrument used for injection is placed into the utensil intracavitary of core bar, note
The taper lip elastic deformation of emitter tool is crossed at the lateral openings of intracavitary circumferential recess of utensil chamber, into the intracavitary of utensil chamber
In circumferential recess so that the taper lip of instrument used for injection is constrained in the intracavitary circumferential recess of utensil chamber, by instrument used for injection about
Beam is in utensil intracavitary.In injector for medical purpose by before use, injection needle or the first-class instrument used for injection of spraying are placed into the utensil chamber of core bar
It is interior.In injector for medical purpose by use, in the syringe that the utensil intracavitary for being placed into core bar is pinched by the indentation, there of hand of core bar
The taper lip of tool, takes out instrument used for injection, then the bellmouth of instrument used for injection is inserted in into overcoat at the lateral openings of utensil chamber
On conehead so that instrument used for injection is fixed on the conehead of overcoat.After injector for medical purpose is by use, the conehead of overcoat will be inserted in
On instrument used for injection remove after, then the lateral openings of instrument used for injection from utensil chamber are disposed into the utensil intracavitary into core bar.
The rear portion of the overcoat cavity of the injector for medical purpose of the present invention can have the circumferential projection of the positioning of convex.Positioning is circumferential convex
There is projection axial constraint inclined-plane the axial both sides of block respectively.There is a projection circumferentially constraint the circumferential both sides of the circumferential projection of positioning respectively
Inclined-plane.The periphery of core bar can have positioning circumferential recess.Axial arranged distribution of multiple positioning circumferential recess along core bar.Each is determined
Distinguish fluted axial constraint inclined-plane in the axial both sides of position circumferential recess.The circumferential both sides of each positioning circumferential recess have recessed respectively
Groove circumferentially constrains inclined-plane.The peripheral side of positioning circumferential recess has positioning axial projection.The peripheral side of positioning axial projection has
Projection circumferentially constrains inclined-plane.The circumferential projection elastic deformation of the positioning in overcoat cavity is caused to cross the positioning of core bar when rotating core bar
The projection of axial projection is after circumferentially constraint inclined-plane enters in the chosen positioning circumferential recess of core bar, and this of core bar selected is determined
Two grooves of position circumferential recess circumferentially constrain two projection circumferences of the inclined-plane respectively with the circumferential projection of positioning in overcoat cavity
Constraint inclined-plane is mutually constrained, and hinders core bar to be rotated in overcoat cavity, two of the selected positioning circumferential recess of core bar are recessed
Two projection axial constraint inclined-planes of the groove axial constraint inclined-plane respectively with the circumferential projection of positioning in overcoat cavity are mutually constrained, and are hindered
Hinder the sealing ring of core bar to be moved forward and backward in overcoat cavity, the front end of the sealing ring for the core bar being constrained in overcoat cavity with it is outer
Cover the selected liquid capacity of the chamber formation injector for medical purpose between the back cover portion of cavity.Cause overcoat cavity when rotating core bar
The groove that the circumferential projection elastic deformation of interior positioning crosses the positioning circumferential recess of core bar circumferentially removes determining for core bar in constraint inclined-plane
After the circumferential recess of position, circumferentially constraint inclined-plane hinders the circumferential projection of the positioning in overcoat cavity to the projection of the positioning axial projection of core bar
Into in the positioning circumferential recess of core bar, manipulate core bar can be such that sealing ring is moved forward and backward in overcoat cavity by hand.
The rear portion of the overcoat cavity of the injector for medical purpose of the present invention can have the circumferential projection of the locking of convex.Locking is circumferential convex
There is projection axial constraint inclined-plane the axial direction of block.There is a projection circumferentially constraint inclined-plane the circumferential both sides of the circumferential projection of locking respectively.Core
The periphery of bar can have locking circumferential recess.Lock the axially fluted axial constraint inclined-plane of circumferential recess.Lock circumferential recess
The fluted circumferential constraint inclined-plane of circumferential both sides difference.The peripheral side of locking circumferential recess has locking axial projection.Work as rotation
Core bar causes the locking axial projection that the circumferential projection elastic deformation of the locking in overcoat cavity crosses core bar to enter the locking of core bar
After in circumferential recess, the groove axial constraint inclined-plane of the locking circumferential recess of core bar and the circumferential projection of the locking in overcoat cavity
Projection axial constraint inclined-plane is mutually constrained, and circumferentially constraint inclined-plane is empty with overcoat respectively for two grooves of the locking circumferential recess of core bar
Two projections of the circumferential projection of locking of intracavitary are circumferentially mutually constrained on constraint inclined-plane so that core bar is locked on overcoat cavity.
The rear portion of the overcoat cavity of the injector for medical purpose of the present invention can have the circumferential projection of the locking of convex.Locking is circumferential convex
There is projection axial constraint inclined-plane the axial direction of block.There is a projection circumferentially constraint inclined-plane the circumferential both sides of the circumferential projection of locking respectively.Core
The periphery of bar can have locking circumferential recess.Lock the axially fluted axial constraint inclined-plane of circumferential recess.Lock circumferential recess
The fluted circumferential constraint inclined-plane of circumferential both sides difference.The axial sides of locking circumferential recess have the circumferential projection of locking.Work as promotion
Core bar causes the circumferential projection of locking that the circumferential projection elastic deformation of the locking in overcoat cavity crosses core bar to enter the locking of core bar
After in circumferential recess, the groove axial constraint inclined-plane of the locking circumferential recess of core bar and the circumferential projection of the locking in overcoat cavity
Projection axial constraint inclined-plane is mutually constrained, and circumferentially constraint inclined-plane is empty with overcoat respectively for two grooves of the locking circumferential recess of core bar
Two projections of the circumferential projection of locking of intracavitary are circumferentially mutually constrained on constraint inclined-plane so that core bar is locked on overcoat cavity.
The overcoat of the injector for medical purpose of the present invention can include liquid filling bottle and outer cover.Liquid filling bottle has the first overcoat cavity.The
One overcoat cavity is respectively in front and rear end opening.There is back cover portion the front portion of first overcoat cavity.In the back cover portion of the first overcoat cavity
Front end have conehead.There is cone head hole in conehead.Cone head hole and the first overcoat cavity insertion.It is covered with the second overcoat cavity.Second
The overcoat cavity end opening before and after outer cover respectively.There is the circumferential projection of the buckle of convex, convex at the rear portion of second overcoat cavity
With the overcoat crimping stretched out.When the second overcoat cavity of outer cover is wrapped in the periphery of liquid filling bottle, the second overcoat of outer cover
Liquid filling bottle is locked in the second overcoat cavity of outer cover, the cone of liquid filling bottle by the snap hook of cavity on the back edge of liquid filling bottle
Head stretches out at the front opening of outer cover.When the sealing ring of core bar inserts the first overcoat sky at the second overcoat cavity open rearward end
After intracavitary, manipulate core bar can be such that sealing ring is moved forward and backward in the first overcoat cavity by hand, outside the outer wall of sealing ring and first
The sealing for covering the inwall formation injector for medical purpose of cavity coordinates.
The instruments used for injection such as injection needle, fog-spray nozzle or conehead cap can be plugged on the conehead of liquid filling bottle.The rear portion of instrument used for injection has
Taper lip and bellmouth.The taper lip of instrument used for injection is located at the rear portion of bellmouth.There is high inclination-angle at the front opening of outer cover
Circular cone inclined-plane.When the bellmouth of instrument used for injection is inserted on the conehead of liquid filling bottle, instrument used for injection is fixed on the cone of liquid filling bottle
On head.When pinching the taper lip of flat instrument used for injection, taper lip is moved along the circular cone inclined-plane at the front opening of outer cover, taper
Lip pushing syringe tool is moved forward so that the bellmouth of instrument used for injection departs from the conehead of liquid filling bottle, then by instrument used for injection
The utensil intracavitary into core bar is disposed from the lateral openings of utensil chamber.
Brief description of the drawings
Fig. 1 is the front view for representing the safety self-destructing injector for medical purpose of first embodiment of the invention before use;
Fig. 2 is to represent Fig. 1 injector for medical purpose in front view to be removed or when having inserted injection needle;
Fig. 3 is the rearview for representing Fig. 2;
Fig. 4 is the front view for representing Fig. 1 injector for medical purpose when to be used;
Fig. 5 be represent Fig. 1 injector for medical purpose be in self-locking state when rearview;
Fig. 6 is the 6-6 sectional views for representing Fig. 5;
Fig. 7 is the 7-7 sectional views for representing Fig. 5;
Fig. 8 is the outside drawing of the core bar for the injector for medical purpose for representing Fig. 1;
Fig. 9 is the outside drawing at the back side for representing Fig. 8;
Figure 10 is the outside drawing of the overcoat for the injector for medical purpose for representing Fig. 1;
Figure 11 is the outside drawing of the injection needle for the injector for medical purpose for representing Fig. 1;
Figure 12 is to represent the front view that Figure 11 injection needle is inserted in Fig. 8 core bar;
Figure 13 is the rearview for representing another core bar;
Figure 14 is to represent to configure front view of the injector for medical purpose of the first embodiment of fog-spray nozzle before use;
Figure 15 is the front view for representing Figure 14 injector for medical purpose when having installed fog-spray nozzle;
Figure 16 is the outside drawing for the fog-spray nozzle for representing Figure 15;
Figure 17 is to represent the front view that Figure 16 fog-spray nozzle is inserted in Fig. 8 core bar;
Figure 18 is that the safety self-destructing injector for medical purpose for representing second embodiment of the invention is having been injected into the outer of decoction state
See figure;
Figure 19 is the outside drawing for representing Figure 18 injector for medical purpose when to be used;
Figure 20 is the top view for the injector for medical purpose for representing Figure 18;
Figure 21 is the 21-21 sectional views for representing Figure 20;
Figure 22 is the 22-22 sectional views for representing Figure 20;
Figure 23 is to represent the front view of Figure 18 injector for medical purpose after use;
Figure 24 is the front view inserted in core bar of injection needle for the injector for medical purpose for representing Figure 18;
Figure 25 be represent Figure 18 injector for medical purpose be in self-locking state when outside drawing;
Figure 26 is the outside drawing at the back side for representing Figure 25;
Figure 27 is the outside drawing of the end part seal cap for the injector for medical purpose for representing Figure 18;
Figure 28 is the outside drawing of the core bar for the injector for medical purpose for representing Figure 18;
Figure 29 is the outside drawing at the back side for representing Figure 28;
Figure 30 is the outside drawing of the overcoat for the injector for medical purpose for representing Figure 18;
Figure 31 is the outside drawing at the back side for representing Figure 30;
Figure 32 is that the injector for medical purpose for representing second embodiment installs the front view of the injector for medical purpose of fog-spray nozzle;
Figure 33 is the outside drawing for representing the safety-type injector for medical purpose of third embodiment of the invention before use;
Figure 34 is the outside drawing for representing Figure 33 injector for medical purpose when to be used;
Figure 35 is the front view inserted in core bar of injection needle for the injector for medical purpose for representing Figure 33;
Figure 36 is the front view of the overcoat for the injector for medical purpose for representing Figure 33;
Figure 37 is the left view for the overcoat for representing Figure 36;
Figure 38 is the outside drawing for representing the safety-type injector for medical purpose of fourth embodiment of the invention before use;
Figure 39 is the outside drawing for representing Figure 38 injector for medical purpose when to be used;
Figure 40 is the front view of the outer cover for the injector for medical purpose for representing Figure 38;
Figure 41 is the outside drawing for the outer cover for representing Figure 40;
Figure 42 is the front view of the liquid filling bottle for the injector for medical purpose for representing Figure 38;
Figure 43 is the outside drawing for the liquid filling bottle for representing Figure 42;
Figure 44 is the outside drawing of the overcoat for the injector for medical purpose for representing Figure 38;
Figure 45 is the outside drawing of the core bar for the injector for medical purpose for representing Figure 38;
Figure 46 is the outside drawing inserted in core bar of injection needle for the injector for medical purpose for representing Figure 38.
Embodiment
Way of example is used below, and the most preferred embodiment of the injector for medical purpose of the present invention is stated with reference to accompanying drawing.The model of the present invention
Enclose and will be indicated in the claims.It should be appreciated that some or all accompanying drawing is provided to illustrate highly preferred embodiment of the present invention
Illustrate sketch, and do not depict the full-size(d) of shown part.With reference to the detailed narration of most preferred embodiment, it will clearer
Ground, which understands, reaches above-mentioned and other objects and advantages the practical ways of the present invention.
In the the accompanying drawings and the following description, term " near " and " rear " refer to close to the position of injector operations person, and term
" remote " and " preceding " refers to the position away from injector operations person.Term " axial direction " is with the long axis direction of the overcoat of injector for medical purpose
On the basis of, term " circumference " is on the basis of the contour direction of the radial section of the overcoat of injector for medical purpose.Other positions and side
To term can understand with reference to the accompanying drawings with following description.
Fig. 1 to Figure 12 is the safety self-destructing injector for medical purpose 1 for representing first embodiment of the invention.Injector for medical purpose 1 is wrapped
Include overcoat 2 and core bar 3.Overcoat 2 (see Fig. 1, Fig. 5, Fig. 6 and Figure 10) has overcoat cavity 4.Overcoat cavity 4 is opened in the rear end of overcoat 2
Mouth 5.There is back cover portion 6 front end of overcoat cavity 4.The conehead 7 of hair style in having in the front end in the back cover portion 6 of overcoat cavity 4.Conehead 7
Inside there is cone head hole 8.Cone head hole 8 is formed through the front opening of overcoat 2 with overcoat cavity 4.There is overcoat crimping at the rear portion of overcoat 2
9.There is volume scale 10 on the outer surface of overcoat 2.The rear end of core bar 3 (see Fig. 8, Fig. 9 and Figure 12) has by hand 11, and front portion has close
Seal 12.After the sealing ring 12 of core bar 3 is inserted at the open rearward end 5 of overcoat cavity 4 in overcoat cavity 4, manipulate core bar 2 presses hand
11 can be such that sealing ring 12 is moved forward and backward in overcoat cavity 4, and the outer wall 13 of sealing ring 12 is cured with the formation of inwall 14 of overcoat cavity 4
Coordinated with the sealing of syringe 1.
Injection needle 15 can be plugged on the conehead 7 of overcoat 2 (see Fig. 4).There is the circle of greater obliquity the rear end of the conehead 7 of overcoat 2
Bore inclined-plane 16 (see Fig. 1 to Fig. 3).There are taper lip 17 and bellmouth 18 in the rear portion of injection needle 15 (see Figure 11).Injection needle 15
Taper lip 17 is located at the rear portion of bellmouth 18.Axial groove 19 is distributed with the wall of the taper lip 17 of injection needle 15.Note
The groove 19 penetrated in the taper lip 17 of pin 15 can both increase the friction of taper lip 17, can be easy to pinch flat taper lip again
17.When the bellmouth 18 of injection needle 15 is inserted on the conehead 7 of overcoat 2, injection needle 15 be fixed on the conehead 7 of overcoat 2 (see
Fig. 4).When pinching the taper lip 17 of flat injection needle 15, the circular cone inclined-plane 16 of rear end of the taper lip 17 along conehead 7 is moved, from
And taper lip 17 promotes injection needle 15 to move forward so that the bellmouth 18 of injection needle 15 departs from the conehead 7 of overcoat 2.
There is the utensil chamber 20 of lateral openings the side of core bar 3.Injection needle 15 can be inserted in utensil chamber 20 (see Figure 12).Utensil
There is intracavitary circumferential recess 21 rear end of chamber 20 (see Fig. 8).Circumference at the lateral openings of the intracavitary circumferential recess 21 of utensil chamber 20
Width is less than the diameter of the diameter of the taper lip 17 of injection needle 15 and the intracavitary circumferential recess 21 of utensil chamber 20.Core bar 3 is pressed
Hand 11 is positioned at the side of injection needle 15 jagged 22 (see Fig. 8).When injection needle 15 is placed into the utensil chamber 20 of core bar 3,
The elastic deformation of taper lip 17 of injection needle 15 is crossed at the lateral openings of intracavitary circumferential recess 21 of utensil chamber 20, into utensil
In the intracavitary circumferential recess 21 of chamber 20 so that the taper lip 17 of injection needle 15 is constrained on the intracavitary circumferential recess of utensil chamber 20
In 21, injection needle 15 is constrained in utensil chamber 20 (see Figure 12).In injector for medical purpose 1 by before use, injection needle 15 is placed into
(see Fig. 1) in the utensil chamber 20 of core bar 3.In injector for medical purpose 1 by use, being pinched at the breach 22 by hand 11 of core bar 3
The taper lip 17 (see Fig. 2) for the injection needle 15 being placed into the utensil chamber 20 of core bar 3, takes at the lateral openings of utensil chamber 20
Go out injection needle 15, then the bellmouth 18 of injection needle 15 is inserted on the conehead 7 of overcoat 2 so that injection needle 15 is fixed on overcoat 2
Conehead 7 on (see Fig. 4).After injector for medical purpose 1 is by use, after the injection needle 15 being inserted on the conehead 7 of overcoat 2 is removed,
The lateral openings of injection needle 15 from utensil chamber 20 are disposed in the utensil chamber 20 of core bar 3 (see Fig. 2) again.
There is the circumferential projection 23 of the locking of convex at the rear portion of overcoat cavity 4 (see Figure 10).Locking in overcoat cavity 4 is circumferentially convex
There is a high inclination-angle projection axial constraint inclined-plane 24 axial direction of block 23, and the circumferential both sides of the circumferential projection 23 of locking have high inclination-angle convex respectively
Block circumferentially constrains inclined-plane 25 and 26.There is locking circumferential recess 27 periphery of core bar 3 (see Fig. 3 and Fig. 9).Lock circumferential recess 27
Axially there is high inclination-angle groove axial constraint inclined-plane 28.The circumferential both sides of locking circumferential recess 27 have high inclination-angle groove circumferential about respectively
Beam inclined-plane 29 and 30.The peripheral side of locking circumferential recess 27 has locking axial projection 31.Lock the side point of axial projection 31
Not having small inclination projection, circumferentially constraint inclined-plane 32 and high inclination-angle projection circumferentially constrain inclined-plane 33.Injector for medical purpose 1 by before use,
The high inclination-angle projection of the locking axial projection 31 of core bar 3 circumferentially prevents that the circumferential projection 23 in overcoat cavity 4 is inclined in constraint inclined-plane 33
From locking axial projection 31 (see Fig. 3).After injector for medical purpose 1 is by use, by the injection needle 15 being inserted on the conehead 7 of overcoat 2
After removing, injection needle 15 is inserted in the utensil chamber 20 of core bar 7, now, core bar 3 is rotated and make it that the locking in overcoat cavity 4 is all
The small inclination projection that the locking axial projection 31 of core bar 3 is crossed to the elastic deformation of projection 23 circumferentially constrains inclined-plane 32, into core bar 3
Locking circumferential recess 27 in after, the high inclination-angle groove axial constraint inclined-plane 28 of the locking circumferential recess 27 of core bar 3 and overcoat sky
The high inclination-angle projection axial constraint inclined-plane 24 of the circumferential projection 23 of locking in chamber 4 is mutually constrained, the locking circumferential recess 27 of core bar 3
Two high inclination-angle grooves circumferentially constraint inclined-plane 29 and 30 inclines greatly with two of the circumferential projection 23 of locking in overcoat cavity 4 respectively
Angle projection is circumferentially mutually constrained on constraint inclined-plane 25 and 26;Meanwhile, sent out during circumferential 23 elastic deformation of projection of locking in overcoat cavity 4
The auditory tone cues gone out, core bar 3 and the injection needle 15 being placed into the utensil chamber 20 of core bar 3 have been locked in overcoat 4 (see Fig. 5 extremely
Fig. 7).
Core bar 3 in injector for medical purpose 1 can also be replaced with core bar 34 (see Figure 13).The periphery of core bar 34 has locking circumferential
Groove 35 (see Figure 13).There is high inclination-angle groove axial constraint inclined-plane 36 axial direction of locking circumferential recess 35.Lock circumferential recess 35
Circumferential both sides have high inclination-angle groove circumferentially constraint inclined-plane 37 and 38.The axial sides of locking circumferential recess 35 have locking circumferential convex
Block 39.There is small inclination projection axial constraint inclined-plane 40 side of the circumferential projection 39 of locking.Cause overcoat cavity 4 when promoting core bar 34
The circumferential elastic deformation of projection 23 of interior locking crosses the small inclination projection axial constraint inclined-plane of the circumferential projection 39 of locking of core bar 34
After 40 enter in the locking circumferential recess 35 of core bar 34, the high inclination-angle groove axial constraint of the locking circumferential recess 35 of core bar 34 is oblique
Face 36 and the high inclination-angle projection axial constraint inclined-plane 24 of the circumferential projection 23 of locking in overcoat cavity 4 are mutually constrained, core bar 34
Locking two high inclination-angle grooves of circumferential recess 35, circumferentially constraint inclined-plane 37 and 38 is circumferentially convex with locking in overcoat cavity 4 respectively
Two high inclination-angle projections of block 23 are circumferentially mutually constrained on constraint inclined-plane 25 and 26;Meanwhile, the circumferential projection of locking in overcoat cavity 4
The auditory tone cues sent during 23 elastic deformation, core bar 34 has been locked in overcoat cavity 4.
Injection needle 15 in injector for medical purpose 1 can also be replaced with fog-spray nozzle 41.There is taper lip at the rear portion of fog-spray nozzle 41
42 and bellmouth 43 (see Figure 16).The taper lip 42 of fog-spray nozzle 41 is located at the rear portion of bellmouth 43.The taper lip of fog-spray nozzle 41
Axial groove 44 is distributed with the wall on side 42.In injector for medical purpose 1 by before use, fog-spray nozzle 41 is placed into the utensil of core bar 3
(see Figure 14) in chamber 20.When fog-spray nozzle 41 being installed on injector for medical purpose 1, the spray that will can be placed into the utensil chamber 20 of core bar 3
After mist first 41 takes out, the bellmouth 43 of fog-spray nozzle 41 is inserted on the conehead 7 of overcoat 2 so that fog-spray nozzle 41 is fixed on overcoat 2
Conehead 7 on (see Figure 15).After injector for medical purpose 1 is by use, after the fog-spray nozzle 41 being inserted on conehead 7 is removed, fog-spray nozzle
41 are placed into the utensil chamber 20 of core bar 3 (see Figure 17) again.
Figure 18 to Figure 31 is the safety self-destructing injector for medical purpose 50 for the pre-filled medicinal liquid for representing second embodiment of the invention.Doctor
Include overcoat 51 and core bar 52 with syringe 50.Overcoat 51 (see Figure 21, Figure 25, Figure 30 and Figure 31) has overcoat cavity 53.Overcoat
Open rearward end 54 of the cavity 53 in overcoat 51.There is back cover portion 55 front end of overcoat cavity 53.In the back cover portion 55 of overcoat cavity 53
Front end have the conehead 56 of middle hair style.There is cone head hole 57 in conehead 56.Cone head hole 57 and the insertion of overcoat cavity 53.In overcoat 51
There is overcoat crimping 58 at rear portion.There is volume scale 59 on the outer surface of overcoat 51.The rear end of core bar 52 (see Figure 28 and Figure 29) has
Hand 60 is pressed, there is sealing ring 61 front portion.The sealing ring 61 of core bar 52 inserts overcoat cavity 53 at the open rearward end 54 of overcoat cavity 53
After interior (see Figure 21), manipulate core bar 51 can be such that sealing ring 61 is moved forward and backward in overcoat cavity 53 by hand 60, sealing ring 61
The sealing of outer wall 62 and the formation injector for medical purpose 50 of inwall 63 of overcoat cavity 53 coordinates.
There is the circular cone inclined-plane 64 of greater obliquity the rear end of the conehead 56 of overcoat 51 (see Figure 21 and Figure 24 to Figure 26).Conehead cap
There are taper lip 66 and bellmouth 67 in 65 rear portion (see Figure 21 and Figure 27).The taper lip 66 of conehead cap 65 is located at bellmouth 67
Rear portion.When the bellmouth 67 of conehead cap 65 is inserted on the conehead 56 of overcoat 51, conehead cap 65 is fixed on the cone of overcoat 51
(see Figure 20 and Figure 21) on first 56.When pinching the taper lip 66 of flat conehead cap 65, rear end of the taper lip 66 along conehead 56
Circular cone inclined-plane 64 is moved, and taper lip 66 promotes conehead cap 65 to move forward so that the bellmouth 67 of conehead cap 65 departs from overcoat
51 conehead 56.
There is the utensil chamber 68 of lateral openings the side of core bar 52 (see Figure 19 and Figure 28).Injection needle can be inserted in utensil chamber 68
15.There is intracavitary circumferential recess 69 rear end of utensil chamber 68.Circumference at the lateral openings of the intracavitary circumferential recess 69 of utensil chamber 68
Width is less than the diameter of the diameter of the taper lip 17 of injection needle 15 and the intracavitary circumferential recess 69 of utensil chamber 68.Core bar 52 is pressed
Hand 60 is positioned at the side of injection needle 15 jagged 70.When injection needle 15 is placed into the utensil chamber 68 of core bar (see Figure 24),
The elastic deformation of taper lip 17 of injection needle 15 is crossed at the lateral openings of intracavitary circumferential recess 69 of utensil chamber 68, into utensil
In the intracavitary circumferential recess 69 of chamber 68 so that the taper lip 17 of injection needle 15 is constrained on the intracavitary circumferential recess of utensil chamber 68
In 69, injection needle 15 is constrained in utensil chamber 68.(see Figure 18) before injector for medical purpose 50 is by use, injection needle 15 is placed into
In the utensil chamber 68 of core bar 52.When injector for medical purpose 50 is used (see Figure 19), in pressing at the breach 70 of hand 60 for core bar 52
The taper lip 17 for the injection needle 15 being placed into the utensil chamber 68 of core bar 52 is pinched, is taken out at the lateral openings of utensil chamber 68
Injection needle 15, then the bellmouth 20 of injection needle 15 is inserted on the conehead 56 of overcoat 51 so that injection needle 15 is fixed on overcoat
On 51 conehead 56.(see Figure 24) after injector for medical purpose 50 is by use, by the injection needle 15 being inserted on the conehead 56 of overcoat 51
After removing, then the lateral openings of injection needle 15 from utensil chamber 68 are disposed in the utensil chamber 68 of core bar 52.
There is the circumferential projection 71 of the locking of convex at the rear portion of overcoat cavity 53 (see Figure 30).The axial direction of the circumferential projection 71 of locking has
High inclination-angle projection axial constraint inclined-plane 72.There is a high inclination-angle circumferentially constraint inclined-plane 73 the circumferential both sides of the circumferential projection 71 of locking respectively
With 74.There is locking circumferential recess 75 periphery of core bar 52 (see Figure 29).There is high inclination-angle groove axle the axial direction of locking circumferential recess 75
To constraint inclined-plane 76.There is high inclination-angle groove circumferentially constraint inclined-plane 77 and 78 the circumferential both sides of locking circumferential recess 75 respectively.Locking
The peripheral side of circumferential recess 75 has locking axial projection 79.There is the circumferentially constraint of small inclination projection the side of locking axial projection 79
Inclined-plane 80.After injector for medical purpose 50 is by use, after the injection needle 15 being inserted on the conehead 56 of overcoat 51 is removed, then will injection
Pin 15 inserts in the utensil chamber 68 of core bar 52 (see Figure 24), now, rotates core bar 52 and make it that the locking in overcoat cavity 53 is circumferential
The small inclination projection that the elastic deformation of projection 71 crosses the locking axial projection 79 of core bar 52 circumferentially enters core bar 52 in constraint inclined-plane 80
Locking circumferential recess 75 in after, the high inclination-angle groove axial constraint inclined-plane 76 of the locking circumferential recess 75 of core bar 52 and overcoat sky
The high inclination-angle projection axial constraint inclined-plane 72 of the circumferential projection 71 of locking in chamber 53 is mutually constrained, the locking circumferential recess of core bar 52
75 two high inclination-angle grooves circumferentially constrain two of inclined-plane 77 and 78 respectively with the circumferential projection 71 of locking in overcoat cavity 53
High inclination-angle projection is circumferentially mutually constrained on constraint inclined-plane 73 and 74;Meanwhile, the circumferential elasticity of projection 71 of locking in overcoat cavity 53 becomes
The auditory tone cues sent during shape, core bar 52 and the injection needle 15 being placed into the utensil chamber 68 of core bar 52 have been locked in overcoat 51
(see Figure 25 and Figure 26).
There is the circumferential projection 81 of the positioning of convex at the rear portion of overcoat cavity 53 (see Figure 31).The axial direction two of the circumferential projection 81 of positioning
There is projection axial constraint inclined-plane 82 and 83 side respectively.There is projection circumferentially constraint inclined-plane the circumferential both sides of the circumferential projection 81 of positioning respectively
84 and 85.There is positioning circumferential recess 86 periphery of core bar 52 (see Figure 28).Axial direction of multiple positioning circumferential recess 86 along core bar 52
Arranged distribution.Distinguish fluted axial constraint inclined-plane 87 and 88 in the axial both sides of each positioning circumferential recess 86.Each positioning week
To the fluted circumferential constraint inclined-plane 89 and 90 of the circumferential both sides difference of groove 86.The peripheral side of positioning circumferential recess 86 has positioning
Axial projection 91.The peripheral side of positioning axial projection 91 has projection circumferentially constraint inclined-plane 92.Cause overcoat when rotating core bar 52
The projection for the positioning axial projection 91 that the circumferential elastic deformation of projection 81 of positioning in cavity 53 crosses core bar 52 circumferentially constrains inclined-plane
92 enter rear (see Figure 18 and Figure 20 to Figure 22) in the chosen positioning circumferential recess 93 of core bar 52, and this of core bar 52 is selected
Position two grooves of circumferential recess 93 circumferentially constraint inclined-plane 96 and 97 respectively with the circumferential projection 81 of positioning in overcoat cavity 53
Two projections circumferentially mutually constrain on constraint inclined-plane 84 and 85, hinder core bar 52 to rotate in the overcoat cavity 53, core bar 52 should
Two groove axial constraint inclined-planes 94 and 95 of selected positioning circumferential recess 93 are circumferential with positioning in overcoat cavity 53 respectively
Two projection axial constraint inclined-planes 82 and 83 of projection 81 are mutually constrained, and hinder the sealing ring 61 of core bar 52 in overcoat cavity 53
It is movable, the front end of the sealing ring 61 for the core bar 52 being constrained in overcoat cavity 53 and the back cover portion 55 of overcoat cavity 53 it
Between chamber formation injector for medical purpose 50 selected liquid capacity.Make it that the positioning in overcoat cavity 53 is all when rotating core bar 52
The groove that the positioning circumferential recess 93 of core bar 52 is crossed to the elastic deformation of projection 81 circumferentially removes determining for core bar 52 in constraint inclined-plane 96
After the circumferential recess 93 of position (Figure 19, Figure 23 and Figure 24), the projection of the positioning axial projection 91 of core bar 52 circumferentially hinders on constraint inclined-plane 92
The circumferential projection 81 of the positioning in overcoat cavity 53 is hindered to enter in the positioning circumferential recess 86 of core bar 52, manipulate core bar 52 presses hand 60
Sealing ring 61 can be made to be moved forward and backward in overcoat cavity 53.In operation, in overcoat cavity 53 the circumferential projection 81 of positioning
The working condition of the auditory tone cues injector for medical purpose 50 sent during elastic deformation has been changed.
Injection needle 15 in injector for medical purpose 50 can also be replaced with fog-spray nozzle 41 (see Figure 32).
Figure 33 to Figure 37 is the safety-type injector for medical purpose 100 for representing third embodiment of the invention.Injector for medical purpose 100 is wrapped
Include overcoat 101 and core bar 102.Overcoat 101 (see Figure 36 and Figure 37) has overcoat cavity 103.Overcoat cavity 103 is in overcoat 101
Open rearward end 104.There is back cover portion 105 front end of overcoat cavity 103.There is inclined head in the front end in the back cover portion 105 of overcoat cavity 103
The conehead 106 of formula.There is cone head hole 107 in conehead 106.Cone head hole 107 is formed through the front end of overcoat 101 with overcoat cavity 103
Opening.There is overcoat crimping 108 at the rear portion of overcoat 101.There is volume scale 109 on the outer surface of overcoat 101.Core bar 102 (see
Figure 33 to Figure 35) rear end have by hand 110, there is sealing ring 111 front portion.The sealing ring 111 of core bar 102 is after overcoat cavity 103
After being inserted at end opening 104 in overcoat cavity 103, manipulate core bar 101 can make sealing ring 111 in overcoat cavity 103 by hand 110
Interior movable, the sealing of the outer wall 112 of sealing ring 111 and the formation injector for medical purpose 100 of inwall 113 of overcoat cavity 103 is matched somebody with somebody
Close.
Injection needle 15 can be plugged on the conehead 106 of overcoat 101 (see Figure 34).The rear end of the conehead 106 of overcoat 101 has larger
The circular cone inclined-plane 114 (see Figure 36) at inclination angle.When the bellmouth 18 of injection needle 15 is inserted on the conehead 106 of overcoat 101, injection needle
15 are fixed on the conehead 106 of overcoat 101.When pinching the taper lip 17 of flat injection needle 15, taper lip 17 is along conehead 106
The circular cone inclined-plane 114 of rear end move so that taper lip 17 promotes injection needle 15 to move forward so that the taper of injection needle 15
Hole 18 departs from the conehead 106 of overcoat 101.
There is the utensil chamber 115 of lateral openings the side of core bar 102.Injection needle 15 can be inserted in utensil chamber 115 (see Figure 35).
There is intracavitary circumferential recess 116 rear end of utensil chamber 115 (see Figure 34).The lateral openings of the intracavitary circumferential recess 116 of utensil chamber 115
The circumferential width at place is less than the diameter of the diameter of the taper lip 17 of injection needle 15 and the intracavitary circumferential recess 116 of utensil chamber 115.
Core bar 102 presses hand 110 positioned at the side of injection needle 15 jagged 117.When injection needle 15 is placed into the utensil chamber of core bar 102
When in 115, the elastic deformation of taper lip 17 of injection needle 15 crosses the lateral openings of the intracavitary circumferential recess 116 of utensil chamber 115
Place, into the intracavitary circumferential recess 116 of utensil chamber 115 so that the taper lip 17 of injection needle 15 is constrained on utensil chamber 115
Intracavitary circumferential recess 116 in, injection needle 15 is constrained in utensil chamber 115 (see Figure 35).Used in injector for medical purpose 100
Before, injection needle 15 is placed into the utensil chamber 115 of core bar 102 (see Figure 33).In injector for medical purpose 100 by use, in core bar
The taper lip 17 for the injection needle 15 being placed into the utensil chamber 115 of core bar 102 is pinched at 102 breach 117 by hand 110,
Injection needle 15 is taken out at the lateral openings of utensil chamber 115, then the bellmouth 18 of injection needle 15 is inserted in the conehead of overcoat 101
On 106 so that injection needle 15 is fixed on the conehead 106 of overcoat 101 (see Figure 34).After injector for medical purpose 100 is by use,
After the injection needle 15 being inserted on the conehead 106 of overcoat 101 is removed, then by injection needle 15 at the lateral openings of utensil chamber 115
Insert in the utensil chamber 115 of core bar 102.
Figure 38 to Figure 46 is the safety-type injector for medical purpose 120 for representing fourth embodiment of the invention.Injector for medical purpose 120 is wrapped
Include overcoat 121 and core bar 122.Overcoat 121 includes liquid filling bottle 123 and outer cover 124 (see Figure 44).Liquid filling bottle 123 and outer cover 124 have
Enough transparencies.Liquid filling bottle 123 has the first overcoat cavity 125 (see Figure 42 and Figure 43).First overcoat cavity 125 is respectively preceding
Open rearward end.There is back cover portion 126 front portion of first overcoat cavity 125.Front end in the back cover portion 126 of the first overcoat cavity 125
There is conehead 127.There is cone head hole 128 in conehead 127.The insertion of 128 and first overcoat cavity of cone head hole 125.Outer cover 124 has outside second
Cover cavity 129 (see Figure 40 and Figure 41).Second overcoat cavity 129 end opening before and after outer cover 124 respectively.Second overcoat cavity
There are the buckle 130 of convex, the circumferential projection 131 of convex and the overcoat crimping 132 stretched out in 129 rear portion.When outer cover 124
When second overcoat cavity 129 is wrapped in the periphery of liquid filling bottle 123, the buckle 130 in the second overcoat cavity 129 is hooked in liquid filling bottle
On 123 back edge, liquid filling bottle 123 is locked in the second overcoat cavity 129 of outer cover 124, the conehead 127 of liquid filling bottle 123
Stretched out at the front opening of outer cover 124 (see Figure 44).When the sealing ring 133 of core bar 122 is opened from the rear end of the second overcoat cavity 129
After the first overcoat cavity of insertion 125 is interior at mouthful, manipulate core bar 122 can make sealing ring 133 in the first overcoat cavity by hand 134
Moved forward and backward in 125, the formation injector for medical purpose 120 of inwall 136 of the overcoat cavity 125 of outer wall 135 and first of sealing ring 133
Sealing coordinates.
Injection needle 15 can be plugged on the conehead 127 of the front end in the back cover portion of the first overcoat cavity of liquid filling bottle 123.Outer cover
There can be the circular cone inclined-plane 137 of high inclination-angle at 124 front opening (see Figure 40).When the bellmouth 20 of injection needle 15 is inserted in topping up
When on the conehead 127 of bottle 123, injection needle 15 is fixed on the conehead 127 of liquid filling bottle 123.When the taper for pinching flat injection needle 15
During lip 17, the circular cone inclined-plane 137 at front opening of the taper lip 17 along outer cover 124 is moved, and taper lip 17 promotes injection
Pin 15 is moved forward so that the bellmouth 20 of injection needle 15 departs from the conehead 127 of liquid filling bottle 123.
There is the utensil chamber 138 of lateral openings the side of core bar 122 (see Figure 45).Injection needle 15 can be inserted in utensil chamber 138
(see Figure 46).There is intracavitary circumferential recess 139 rear end of utensil chamber 138 (see Figure 45).The intracavitary circumferential recess 139 of utensil chamber 138
Lateral openings at circumferential width be less than injection needle 15 taper lip 17 diameter and the intracavitary circumferential recess of utensil chamber 138
139 diameter.Core bar 122 presses hand 134 positioned at the side of injection needle 15 jagged 140.When injection needle 15 is placed into core bar
When in 122 utensil chamber 138, the elastic deformation of taper lip 17 of injection needle 15 crosses the intracavitary circumferential recess 139 of utensil chamber 138
Lateral openings at, into the intracavitary circumferential recess 139 of utensil chamber 138 so that the taper lip 17 of injection needle 15 is restrained
In the intracavitary circumferential recess 139 of utensil chamber 138, injection needle 15 is constrained in utensil chamber 138 (see Figure 46).In medical injection
Device 120 is by before use, injection needle 15 is placed into the utensil chamber 138 of core bar 122 (see Figure 38).Made in injector for medical purpose 120
Used time, the injection needle 15 that is placed into the utensil chamber 138 of core bar 122 is pinched at the breach 140 by hand 134 of core bar 122
Taper lip 17, takes out injection needle 15, then the bellmouth 18 of injection needle 15 is inserted in into overcoat at the lateral openings of utensil chamber 138
On 121 conehead 127 so that injection needle 15 is fixed on the conehead 127 of overcoat 121 (see Figure 39).In injector for medical purpose 120
After use, after the injection needle 15 being inserted on the conehead 127 of overcoat 121 is removed, then by injection needle 15 from the side of utensil chamber 138
In the utensil chamber 138 for disposing core bar 122 to opening.
Understand that injector for medical purpose of the invention can reach following technique effect according to above-mentioned be discussed in detail:
The injector for medical purpose of the present invention, realizing the side of core bar has the utensil chamber for inserting injection needle of lateral openings, core
Bar presses hand jagged positioned at the side of utensil chamber.In injector for medical purpose by before use, injection needle is placed into the utensil of core bar
Intracavitary;In injector for medical purpose by use, in the injection that the utensil intracavitary for being placed into core bar is pinched by the indentation, there of hand of core bar
The taper lip of utensil, takes out instrument used for injection at the lateral openings of utensil chamber;After injector for medical purpose is by use, it will be inserted in outer
After instrument used for injection on the conehead of set is removed, then the lateral openings of instrument used for injection from utensil chamber are disposed into the utensil chamber into core bar
It is interior, then shift behind bottom core bar onto most of core bar and enter in overcoat, reach the whole of the safety-type injector for medical purpose that ultimately forms
The purpose of body small volume, so as to be offered convenience to follow-up destroy.
The injector for medical purpose of the present invention, realizes the conehead and circular cone inclined-plane and the taper lip and cone of instrument used for injection by overcoat
Shape hole constitutes the interface of instrument used for injection.When the bellmouth of injection needle is inserted on the conehead of overcoat, injection needle is fixed on overcoat
Conehead on, reach by inject be needled into human body muscle or it is intravascular when avoid the needle point of injection needle from swinging purpose,
So as to avoid causing operational error;After injector for medical purpose use, it is only necessary to pinch the taper lip of the flat injection needle away from injection needle
Side, injection needle can depart from the conehead of the overcoat of injector for medical purpose, can both the injection needle carried disease germs be put into collecting box, and also might be used
With the utensil intracavitary for the core bar that the injection needle carried disease germs is taken in injector for medical purpose, reach and syringe needle is avoided contact in operating process
Purpose, so as to avoid the injection needle carried disease germs from injuring human body.
The injector for medical purpose of the present invention, realizing the rear portion of overcoat cavity has the circumferential projection of the locking of convex, the periphery of core bar
There is the circumferential projection of the resiliently flexible locking for crossing core bar of the circumferential projection of the locking in locking circumferential recess, overcoat cavity to enter
In the locking circumferential recess of core bar, the auditory tone cues sent during the circumferential projection elastic deformation of locking in overcoat cavity, core bar and
The injection needle for being placed into the utensil intracavitary of core bar has been locked in overcoat.After injector for medical purpose use, aspirate and note for single
The use requirement penetrated, it is contemplated that disposable process once completion, automatic start prevent reuse function, by medical injection
The overcoat and core bar of device are locked together, and then pinch the taper lip of the flat injection needle away from syringe needle, injection needle can depart from medical
The conehead of the overcoat of syringe, then the injection needle carried disease germs is put into collecting box;For before single injection core bar can carry out
The use requirement repeatedly aspirated, it is contemplated that disposable process once completion, pinch the taper lip of the flat injection needle away from syringe needle
Side, injection needle can depart from the conehead of the overcoat of injector for medical purpose, can both the injection needle carried disease germs be put into collecting box, and also might be used
With the utensil intracavitary for the core bar that the injection needle carried disease germs is taken in injector for medical purpose, then optionally manually starting prevents from repeating to make
With function, the overcoat and core bar of injector for medical purpose are locked together or do not locked together;Reaching in operating process to touch
The purpose of syringe needle, so as to both the injection needle carried disease germs can be avoided to cause serious injury human body, can avoid repeatedly being made again
With.
The injector for medical purpose of the present invention, realizing the rear portion of overcoat cavity has the circumferential projection of the positioning of convex, the periphery of core bar
There are positioning axial projection and multiple positioning circumferential recess along the axial arranged distribution of core bar.Cause when rotating core bar in overcoat cavity
The circumferential projection elastic deformation of positioning cross the positioning axial projection of core bar into the chosen positioning circumferential recess of core bar
Afterwards, the chamber between the front end of the sealing ring for the core bar being constrained in overcoat cavity and the back cover portion of overcoat cavity forms medical
The selected liquid capacity of syringe;The circumferential projection elastic deformation of the positioning in overcoat cavity is caused to cross core bar when rotating core bar
Positioning circumferential recess remove core bar positioning circumferential recess after, manipulate core bar can make sealing ring in overcoat cavity by hand before
After move;Reach that the pre-filled medicinal liquid amount of injector for medical purpose can be with the purpose of accurate lock.In operation, in overcoat cavity
The working condition that auditory tone cues injector for medical purpose is sent during positioning circumference projection elastic deformation has been changed.
The injector for medical purpose of the present invention, realizes that safety-type disposable sterilized syringe or safety self-destructing disposably make
It is of the invention with the part of the sheath of the part of an asepsis injector injection needle fewer than conventional disposable sterilized syringe
Identical, the of the invention injector for medical purpose of the structure of the topping up chamber of injector for medical purpose and conventional disposable sterilized syringe
Both reached and be easy to exclude the gas for filling chamber and be easy to the purpose of assembling, and reached that production cost and routine are disposable again
The production cost of asepsis injector is similar, and than existing safety-type disposable sterilized syringe or safety self-destructing one
Secondary property uses the much lower purpose of the production cost of asepsis injector.
It will thus be seen that above-mentioned stated target, including by those shown targets described above by effectively
Reach.Described here is only the typical optimal form of implementation of the present patent application, can make some changes to said structure
Change also without prejudice to the spirit and scope of the present invention.The present invention is not limited to detail set forth herein, and answers
It is obvious any to retain as stated in the restriction of claim for art secondary technology personnel
Improve or retrofit.
Claims (10)
1. a kind of injector for medical purpose with utensil chamber, the injector for medical purpose includes overcoat and core bar;
It is described it is outer be cased with overcoat cavity, the overcoat cavity end opening before and after overcoat, the front end of the overcoat cavity respectively
Have back cover portion, having in the front end in the back cover portion of the overcoat cavity has cone head hole in conehead, the conehead, the cone head hole with it is outer
Cavity insertion is covered, has overcoat crimping at the rear portion of overcoat, has volume scale on the outer surface of overcoat;
The rear end of the core bar has by hand, and there is sealing ring front portion;The sealing ring of the core bar is inserted at overcoat cavity open rearward end
After entering in overcoat cavity, manipulate the core bar can be such that sealing ring is moved forward and backward in overcoat cavity by hand, the outer wall of sealing ring
Sealing with the inwall formation injector for medical purpose of overcoat cavity coordinates;
It is characterized in that:There is the utensil chamber of lateral openings the side of the core bar, and the rear end of the utensil chamber has intracavitary circumferentially recessed
Groove, utensil intracavitary can insert injection needle, fog-spray nozzle, conehead cap or other various instruments used for injection.
2. the injector for medical purpose according to claim 1 with utensil chamber, it is characterized in that, it can be inserted on the conehead of the overcoat
There is circular cone inclined-plane the upper instrument used for injection, the rear end of the conehead of overcoat, and there are taper lip and bellmouth in the rear portion of instrument used for injection, note
The taper lip of emitter tool is located at the rear portion of the bellmouth, the intracavitary circumferential recess of the utensil chamber of the core bar
Circumferential width at lateral openings is less than the diameter of the diameter of the taper lip of instrument used for injection and the intracavitary circumferential recess of utensil chamber;
When instrument used for injection is placed into the utensil intracavitary of core bar, the taper lip elastic deformation of instrument used for injection crosses the chamber of utensil chamber
At the lateral openings of inner circumferential groove, into the intracavitary circumferential recess of utensil chamber so that the taper lip of instrument used for injection is by about
Instrument used for injection is constrained in utensil intracavitary by beam in the intracavitary circumferential recess of utensil chamber;Outside the bellmouth of instrument used for injection is inserted in
When on the conehead of set, instrument used for injection is fixed on the conehead of overcoat;When pinching the taper lip of flat instrument used for injection, taper lip
Moved along the circular cone inclined-plane of the rear end of the conehead of overcoat, so that taper lip pushing syringe tool is moved forward so that note
The bellmouth of emitter tool departs from the conehead of overcoat.
3. the injector for medical purpose according to claim 2 with utensil chamber, it is characterized in that, the core bar press hand positioned at
The side of the utensil chamber is jagged;In the injector for medical purpose by before use, the injection needle or first-class instrument used for injection of spraying
It is placed into the utensil intracavitary of core bar;In injector for medical purpose by use, being placed into being pinched by the indentation, there of hand for core bar
The taper lip of the instrument used for injection of the utensil intracavitary of core bar, takes out instrument used for injection at the lateral openings of utensil chamber,
The bellmouth of instrument used for injection is inserted on the conehead of the overcoat again so that instrument used for injection is fixed on the conehead of overcoat
On.
4. the injector for medical purpose according to claim 2 with utensil chamber, it is characterized in that, made in the injector for medical purpose
With rear, after the injection needle being inserted on the conehead of the overcoat or first-class instrument used for injection of spraying are removed, then by injection needle or
The lateral openings of first-class instrument used for injection from the utensil chamber of spraying dispose utensil intracavitary into the core bar.
5. the injector for medical purpose according to claim 2 with utensil chamber, it is characterized in that, the taper lip of the instrument used for injection
Axial groove is distributed with the wall on side.
6. the injector for medical purpose according to claim 1 with utensil chamber, it is characterized in that, the rear portion of the overcoat cavity has
There is projection axial constraint inclined-plane the circumferential projection of the positioning of convex, the axial both sides of the circumferential projection of the positioning respectively, and positioning is circumferential
The circumferential both sides of projection have respectively projection circumferentially constraint inclined-plane;There is positioning circumferential recess the periphery of the core bar, multiple described
Axial arranged distribution of the circumferential recess along core bar is positioned, fluted axial constraint is distinguished in the axial both sides of each positioning circumferential recess
Inclined-plane, the fluted circumferential constraint inclined-plane of circumferential both sides difference of each positioning circumferential recess, positions the peripheral side of circumferential recess
There is positioning axial projection, the peripheral side of the positioning axial projection has projection circumferentially constraint inclined-plane;Outside rotation core bar causes
The projection for the positioning axial projection that the circumferential projection elastic deformation of positioning in set cavity crosses core bar circumferentially enters on constraint inclined-plane
After entering in the chosen positioning circumferential recess of core bar, two grooves of the selected positioning circumferential recess of core bar are circumferential
Two projections of the constraint inclined-plane respectively with the circumferential projection of positioning in overcoat cavity are circumferentially mutually constrained on constraint inclined-plane, are hindered
Core bar is rotated in overcoat cavity, two groove axial constraint inclined-plane difference of the selected positioning circumferential recess of core bar
Mutually constrained with two projection axial constraint inclined-planes of the circumferential projection of positioning in overcoat cavity, hinder the described close of core bar
Seal is moved forward and backward in overcoat cavity, the front end of the sealing ring for the core bar being constrained in overcoat cavity and the institute of overcoat cavity
State the selected liquid capacity that the chamber between back cover portion forms the injector for medical purpose;Cause when rotating core bar in overcoat cavity
The circumferential projection elastic deformation of positioning cross core bar positioning circumferential recess the circumferential constraint inclined-plane removal core bar of groove positioning
After circumferential recess, circumferentially constraint inclined-plane hinders the circumferential projection of the positioning in overcoat cavity to enter to the projection of the positioning axial projection of core bar
Enter in the positioning circumferential recess of core bar, manipulating the described of core bar can be such that sealing ring is moved forward and backward in overcoat cavity by hand.
7. the injector for medical purpose according to claim 1 with utensil chamber, it is characterized in that, the rear portion of the overcoat cavity has
There are projection axial constraint inclined-plane, the week of the circumferential projection of locking in the circumferential projection of the locking of convex, the axial direction of the circumferential projection of the locking
There is projection circumferentially constraint inclined-plane respectively to both sides;There is locking circumferential recess the periphery of the core bar, the locking circumferential recess
Axially fluted axial constraint inclined-plane, the fluted circumferential constraint inclined-plane of circumferential both sides difference of locking circumferential recess, locking is circumferential
The peripheral side of groove has locking axial projection;When rotating core bar the circumferential projection elastic deformation of the locking in overcoat cavity is got over
Cross core bar locking axial projection enter core bar locking circumferential recess in after, the groove axle of the locking circumferential recess of core bar
Mutually constrained to the projection axial constraint inclined-plane on constraint inclined-plane and the circumferential projection of locking in overcoat cavity, the locking of core bar
Circumferentially constraint inclined-plane is described convex with two of the circumferential projection of locking in overcoat cavity respectively for two grooves of circumferential recess
Block is circumferentially mutually constrained on constraint inclined-plane so that core bar is locked on overcoat cavity.
8. the injector for medical purpose according to claim 1 with utensil chamber, it is characterized in that, the rear portion of the overcoat cavity has
There are projection axial constraint inclined-plane, the week of the circumferential projection of locking in the circumferential projection of the locking of convex, the axial direction of the circumferential projection of the locking
There is projection circumferentially constraint inclined-plane respectively to both sides;There is locking circumferential recess the periphery of the core bar, the locking circumferential recess
Axially fluted axial constraint inclined-plane, the fluted circumferential constraint inclined-plane of circumferential both sides difference of locking circumferential recess, locking is circumferential
The axial sides of groove have the circumferential projection of locking;When promoting core bar the circumferential projection elastic deformation of the locking in overcoat cavity is got over
Cross core bar the circumferential projection of locking enter in the locking circumferential recess of core bar after, the groove axle of the locking circumferential recess of core bar
Mutually constrained to the projection axial constraint inclined-plane on constraint inclined-plane and the circumferential projection of locking in overcoat cavity, the locking of core bar
Circumferentially constraint inclined-plane is described convex with two of the circumferential projection of locking in overcoat cavity respectively for two grooves of circumferential recess
Block is circumferentially mutually constrained on constraint inclined-plane so that core bar is locked on overcoat cavity.
9. the injector for medical purpose according to claim 1 with utensil chamber, it is characterized in that, the overcoat include liquid filling bottle and
Outer cover;The liquid filling bottle has the first overcoat cavity, the first overcoat cavity respectively in front and rear end opening, the first overcoat cavity
There is back cover portion front portion, and having in the front end in the back cover portion of the first overcoat cavity has cone head hole, the cone in conehead, the conehead
Head bore and the first overcoat cavity insertion;Described to be covered with the second overcoat cavity, the second overcoat cavity is respectively before outer cover
There are the buckle of convex, the circumferential projection of convex and the overcoat crimping stretched out in open rearward end, the rear portion of the second overcoat cavity;When
When second overcoat cavity of outer cover is wrapped in the periphery of liquid filling bottle, the snap hook of the second overcoat cavity of outer cover is in liquid filling bottle
Back edge on, liquid filling bottle is locked in the second overcoat cavity of outer cover, the conehead of liquid filling bottle is at the front opening of outer cover
Stretch out;After the sealing ring of the core bar is inserted in the first overcoat cavity at the second overcoat cavity open rearward end, manipulate described
Core bar by hand can make sealing ring in the first overcoat cavity move forward and backward, the inwall of the outer wall of sealing ring and the first overcoat cavity
The sealing for forming the injector for medical purpose coordinates.
10. the injector for medical purpose according to claim 9 with utensil chamber, it is characterized in that, on the conehead of the liquid filling bottle
The instruments used for injection such as the injection needle, fog-spray nozzle or conehead cap can be plugged, there are taper lip and taper in the rear portion of the instrument used for injection
Hole, the taper lip of instrument used for injection, which is located to have at the rear portion of the bellmouth, the front opening of the outer cover, inclines greatly
The circular cone inclined-plane at angle;When the bellmouth of instrument used for injection is inserted on the conehead of the liquid filling bottle, instrument used for injection is fixed on topping up
On the conehead of bottle;When pinching the taper lip of flat instrument used for injection, taper lip is along the cone inclined at the front opening of outer cover
Face is moved, and taper lip pushing syringe tool is moved forward so that the bellmouth of instrument used for injection departs from the conehead of liquid filling bottle, then
The lateral openings of instrument used for injection from the utensil chamber are disposed into the utensil intracavitary into the core bar.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710345561.9A CN106983935A (en) | 2017-05-16 | 2017-05-16 | Injector for medical purpose with utensil chamber |
PCT/CN2017/093542 WO2018209793A1 (en) | 2017-05-16 | 2017-07-19 | Medical syringe with tool cavity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710345561.9A CN106983935A (en) | 2017-05-16 | 2017-05-16 | Injector for medical purpose with utensil chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106983935A true CN106983935A (en) | 2017-07-28 |
Family
ID=59419953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710345561.9A Pending CN106983935A (en) | 2017-05-16 | 2017-05-16 | Injector for medical purpose with utensil chamber |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106983935A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018209899A1 (en) * | 2017-05-16 | 2018-11-22 | 上海博洽医疗器械有限公司 | Interface for injection needle of medical syringe injector |
US11090438B2 (en) | 2017-10-17 | 2021-08-17 | Bobby Nourani | Slanted syringe handle |
USD960359S1 (en) | 2020-06-19 | 2022-08-09 | Bobby Nourani | Syringe handle |
USD987819S1 (en) | 2021-02-18 | 2023-05-30 | Bobby Nourani | Syringe holder |
USD987818S1 (en) | 2019-12-04 | 2023-05-30 | Bobby Nourani | Syringe adaptor |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2489789Y (en) * | 2001-06-25 | 2002-05-08 | 邱菊春 | Safety syringe capable of limitting angle rotating of propeller |
US20020165501A1 (en) * | 2001-05-04 | 2002-11-07 | Yang Zhan Bo | Safety Syringe |
DE102006006732B3 (en) * | 2006-02-08 | 2007-07-12 | Feng-Hui Lu | Safety injection syringe used in medicine for injecting liquid medicine comprises a cylinder, a connecting rod inserted into the hollow passage of the cylinder, a drive group and a needle holder inserted into the pump of the drive group |
CN101195050A (en) * | 2006-12-06 | 2008-06-11 | 文代久 | Disposal medical automatic retraction safety syringe |
CN102327657A (en) * | 2010-11-23 | 2012-01-25 | 房东森 | Safety injector |
CN203861695U (en) * | 2014-05-04 | 2014-10-08 | 陶红 | Disposable light resistant non-exhaust sterilized syringe |
CN104399152A (en) * | 2014-11-25 | 2015-03-11 | 常州市海豪力智能装备科技有限公司 | Medical injector |
CN104436368A (en) * | 2014-11-25 | 2015-03-25 | 常州市海豪力智能装备科技有限公司 | Medical syringe |
CN105597195A (en) * | 2016-02-02 | 2016-05-25 | 黄沛敏 | Disposable syringe |
-
2017
- 2017-05-16 CN CN201710345561.9A patent/CN106983935A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020165501A1 (en) * | 2001-05-04 | 2002-11-07 | Yang Zhan Bo | Safety Syringe |
CN2489789Y (en) * | 2001-06-25 | 2002-05-08 | 邱菊春 | Safety syringe capable of limitting angle rotating of propeller |
DE102006006732B3 (en) * | 2006-02-08 | 2007-07-12 | Feng-Hui Lu | Safety injection syringe used in medicine for injecting liquid medicine comprises a cylinder, a connecting rod inserted into the hollow passage of the cylinder, a drive group and a needle holder inserted into the pump of the drive group |
CN101195050A (en) * | 2006-12-06 | 2008-06-11 | 文代久 | Disposal medical automatic retraction safety syringe |
CN102327657A (en) * | 2010-11-23 | 2012-01-25 | 房东森 | Safety injector |
CN203861695U (en) * | 2014-05-04 | 2014-10-08 | 陶红 | Disposable light resistant non-exhaust sterilized syringe |
CN104399152A (en) * | 2014-11-25 | 2015-03-11 | 常州市海豪力智能装备科技有限公司 | Medical injector |
CN104436368A (en) * | 2014-11-25 | 2015-03-25 | 常州市海豪力智能装备科技有限公司 | Medical syringe |
CN105597195A (en) * | 2016-02-02 | 2016-05-25 | 黄沛敏 | Disposable syringe |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018209899A1 (en) * | 2017-05-16 | 2018-11-22 | 上海博洽医疗器械有限公司 | Interface for injection needle of medical syringe injector |
US11090438B2 (en) | 2017-10-17 | 2021-08-17 | Bobby Nourani | Slanted syringe handle |
USD987818S1 (en) | 2019-12-04 | 2023-05-30 | Bobby Nourani | Syringe adaptor |
USD960359S1 (en) | 2020-06-19 | 2022-08-09 | Bobby Nourani | Syringe handle |
USD987819S1 (en) | 2021-02-18 | 2023-05-30 | Bobby Nourani | Syringe holder |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106983935A (en) | Injector for medical purpose with utensil chamber | |
USRE37439E1 (en) | Disposable self-shielding aspirating syringe | |
CN102869399B (en) | Medicament delivery device | |
CA2990666C (en) | Outer cover of a pen needle for a drug delivery pen | |
JP5211167B2 (en) | Automatic syringe | |
EP0368883B1 (en) | Medical syringe | |
US5593391A (en) | Ampule safety syringe | |
MX2007000145A (en) | Non-skin penetrating reconstituting syringe. | |
JPH025971A (en) | Freely drawable hypodermic injector | |
WO1990011099A1 (en) | Syringe with interchangeable and retractable needle platform | |
JPH0211164A (en) | Injector | |
EP0612255B1 (en) | An injection device | |
BR112013030677B1 (en) | INJECTION APPLIANCE WITH NEEDLE CASING TO DEENSITIZE THE SKIN | |
CN107050576A (en) | Safety injector | |
CN107412917A (en) | The injection needle guiding groove of injector for medical purpose | |
CN106964027A (en) | The interface of the instrument used for injection of injector for medical purpose | |
CN107569745A (en) | The overcoat of safety injector | |
JP4873840B2 (en) | Medical needle assembly | |
CN208212260U (en) | The interface of the instrument used for injection of injector for medical purpose | |
CN207822209U (en) | Safety injector | |
CN207822210U (en) | Convenient for the injector for medical purpose of one-handed performance | |
CN207822217U (en) | Injector for medical purpose with utensil chamber | |
CN106994199A (en) | It is easy to the injector for medical purpose of one-handed performance | |
CN115227914A (en) | Safety assembly | |
CN214209082U (en) | Syringe tip cap |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20230324 |
|
AD01 | Patent right deemed abandoned |