CN109260551A - A kind of medical needle with safeguard protection and self-destroying function - Google Patents
A kind of medical needle with safeguard protection and self-destroying function Download PDFInfo
- Publication number
- CN109260551A CN109260551A CN201811287664.5A CN201811287664A CN109260551A CN 109260551 A CN109260551 A CN 109260551A CN 201811287664 A CN201811287664 A CN 201811287664A CN 109260551 A CN109260551 A CN 109260551A
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- Prior art keywords
- syringe needle
- safeguard protection
- breaking
- needle
- locking
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims abstract description 19
- 230000006378 damage Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 51
- 230000007246 mechanism Effects 0.000 claims description 24
- 239000011241 protective layer Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 7
- 229920001651 Cyanoacrylate Polymers 0.000 claims description 4
- 239000004830 Super Glue Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 206010011409 Cross infection Diseases 0.000 abstract description 5
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001802 infusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150885—Preventing re-use
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of medical needle with safeguard protection and self-destroying function; including syringe needle and needle stand; the syringe needle is fixed on needle stand; it further include having a syringe needle functor; the syringe needle functor includes safeguard protection portion and syringe needle breaking-up portion; both the safeguard protection portion and syringe needle breaking-up portion movably connect; contain the liquid substance for damaging syringe needle in syringe needle breaking-up portion; the syringe needle is placed in safeguard protection portion in a manner of it can not exit; syringe needle breaking-up portion causes syringe needle to enter in syringe needle breaking-up portion relative to the movement of safeguard protection portion, damages syringe needle.The configuration of the present invention is simple; it is easy to operate; wherein included safeguard protection portion can carry out universal safety protection to the medical needles class such as injection needle, blood taking needle, transfusion needle; syringe needle breaking-up portion can be realized permanently wracking to above-mentioned syringe needle simultaneously; it prevents scathing and syringe needle is prevented to be used again, effectively reduce the risk of cross-infection.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of medical with safeguard protection and self-destroying function
Needle can avoid completely medical needle from reusing the risk for leading to cross-infection.
Background technique
The medical needles class such as injection needle, blood taking needle, transfusion needle can generally be discarded, these are lost conveniently after use
The syringe needle of abandoning often will receive needle stick injuries, there are the risks of cross-infection when waste is cleared up and is recycled.Therefore have by safety
The mode of effect, which handles used needle, seems necessary.
The patent of Publication No. CN204910354U discloses a kind of safety self-destructing injection needle, is by needle in the injection needle
Point is lived after entering in the space of overhead kick and small U sections of slot bottom by overhead kick " hook ", is maintained at complete in the space in a manner of it can not exit
At self-destruction, protective cover is located at complete protective position at this time, prevents scathing and reuses.But the syringe needle of above patent document
Protective device has the following disadvantages: although syringe needle is incorporated into the slot of protective cover and by overhead kick, with the side that can not be exited
Formula is maintained in slot to realize self-destruction, however since there is no by destroying truly for syringe needle, if it is desired, the safety
Type self-destroyed injection needle is easy to illegally be recycled by criminal and re-use, such as passes through the sides such as specialist tools cutting, cutting
Formula realizes the destruction (such as destroying the hinge arrangement of protective cover, directly can extract syringe needle out from protective cover) to needle guard mechanisms,
Syringe needle can be recycled again, this increases the risk of patient's infection and malpractice to a certain extent.
Therefore, it is necessary to design one kind can truly damage syringe needle, and what cannot be reused protects with safety
Shield and the medical needle of self-destroying function are to solve problems of the prior art.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of medical needle with safeguard protection and self-destroying function, structure letter
It is single, it is easy to operate, syringe needle can be permanently wracked, prevents from stabbing other people and be used again.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of medical needle with safeguard protection and self-destroying function, including syringe needle and needle stand, the syringe needle are fixed on needle stand
On, it further include having a syringe needle functor, the syringe needle functor includes safeguard protection portion and syringe needle breaking-up portion, and the safety is protected
Both shield portion and syringe needle breaking-up portion movably connect, and the liquid substance for damaging syringe needle, the syringe needle are contained in syringe needle breaking-up portion
It is placed in a manner of it can not exit in safeguard protection portion, syringe needle breaking-up portion causes syringe needle to enter needle relative to the movement of safeguard protection portion
In head breaking-up portion, syringe needle is damaged.
Preferably, the safeguard protection portion is safeguard protection nested structure or safeguard protection cap structure, the safety is protected
Shield portion passes through with syringe needle breaking-up portion to be connected along the sliding guide piece that the two is axially arranged, the safeguard protection portion and syringe needle breaking-up portion
The end of junction be equipped with lockable mechanism, for prevent syringe needle breaking-up portion in no external force relative to safeguard protection portion along it
Axial arbitrarily mobile, the safeguard protection portion is additionally provided with limitation syringe needle breaking-up portion stroke in safeguard protection portion on its inner sidewall
Stop element, when syringe needle breaking-up portion moves into safeguard protection portion along its axis to causing to be placed in peace through sliding guide piece
Syringe needle in full guard portion, which is pierced into syringe needle breaking-up portion, to be destroyed.
Preferably, the sliding guide piece includes guiding parts and slide unit, the guiding parts and sliding part
Part arbitrarily cooperates on the inner sidewall for being separately positioned on safeguard protection portion or on the lateral wall in syringe needle breaking-up portion.
Preferably, the guiding parts includes guide rail or guide groove, the slide unit includes corresponding to guiding parts
There are protrusion or fin.
Preferably, the lockable mechanism includes sliding block and locking shelves, the sliding block be arranged on slide unit or
It is integrally formed with slide unit, the locking shelves are arranged in guiding parts and are located at safeguard protection portion and syringe needle breaking-up portion junction
End, the locking shelves include the first locking shelves and the second locking shelves, and the two is moved along syringe needle breaking-up portion towards safeguard protection portion
Dynamic direction is set gradually, and the sliding block is arranged between the first locking shelves and the second locking shelves, the structure of the first locking shelves
Intensity is greater than the second locking shelves, and deformation occurs under external force for the first locking shelves, and the second locking shelves are under external force
Deformation occurs, when syringe needle breaking-up portion is abutted the second locking shelves by external force by external force, that is, sliding block and forces the second locking shelves
Deformation occurs, and sliding block, which is crossed the second locking shelves and entered in guiding parts, to be moved to drive syringe needle breaking-up portion mobile, and the first locking
The presence of shelves can prevent syringe needle breaking-up portion from emerging in safeguard protection portion.
Preferably, the distance between the stop element and lockable mechanism are L1, the entirety in syringe needle breaking-up portion
Length is L2, and L2:L1=1.1~1.3, it is 0.5L1 that the syringe needle, which is placed in stop element to the partial-length between lockable mechanism,
~0.75L1.
Preferably, syringe needle breaking-up portion includes hard shell and container casing, the container casing is arranged hard
The inside of mass shell body and it is tightly attached to hard shell inner sidewall, one end of the hard shell and safeguard protection portion junction has envelope
The protective layer for closing and easily being punctured by syringe needle, and the other end is then the thickening layer for increasing structural strength, the container casing is corresponding hard
Mass shell body, which is equipped at one end of protective layer to be formed with, seals the plug combined with container casing end wall, contains in the container casing
There is the liquid substance that can damage syringe needle.
Preferably, the liquid substance is corrosive liquids or super glue.
Preferably, the safety protective cover is opened when the safeguard protection portion is safeguard protection nested structure for one side
Mouthful column type ontology, the safety protective cover also includes the locking member of elastically deformable and through safety protective cover
Vertical passage, one end of the safety protective cover is rotatably connected by hinge and needle stand, and syringe needle breaking-up portion passes through cunning
Lower moving guide moves in the vertical passage of safety protective cover, and the lockable mechanism setting connects in vertical passage and syringe needle breaking-up portion
The end at place is connect, the stop element is arranged in vertical passage, and vertical passage is arranged in close to hinge in the locking member
One end, safety protective cover is through rotating, and syringe needle crosses the locking member of elastically deformable in vertical passage, and locking member is extensive
Syringe needle is forced to be placed in the vertical passage of safety protective cover in the form that can not be exited after recovery shape.
Preferably, the locking member is back-off, buckle or clip, and by flexible rigid plastics or metal
It is made.
Compared with prior art, a kind of medical needle with safeguard protection and self-destroying function provided by the invention, structure letter
It is single, it is easy to operate, wherein included safeguard protection portion can carry out general peace to the medical needles class such as injection needle, blood taking needle, transfusion needle
Full guard, while syringe needle breaking-up portion can be realized permanently wracking to above-mentioned syringe needle, prevents scathing and prevents needle
Head is used again, and effectively reduces the risk of cross-infection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
The overall structure diagram that Fig. 1 is safeguard protection portion when being safeguard protection nested structure；
Fig. 2 is the structural representation of safety protective cover and syringe needle breaking-up portion；
Fig. 3 is the structural schematic diagram of lockable mechanism；
Fig. 4 is the concrete structure schematic diagram in syringe needle breaking-up portion；
Fig. 5 is the side structure schematic diagram in syringe needle breaking-up portion；
The structural schematic diagram that Fig. 6 is safeguard protection portion when being safety protection cap.
Appended drawing reference involved in attached drawing and component part explanation:
1, syringe needle；2, needle stand；3, collar；4, syringe body；5, syringe needle breaking-up portion；6, liquid substance；7, safeguard protection
Set；8, lockable mechanism；9, stop element；10, locking member；11, vertical passage；12, hinge；13, guiding parts；14, it slides
Component；15, sliding block；16, the first locking shelves；17, the second locking shelves；18, hard shell；19, container casing；20, protective layer；
21, thickening layer；22, plug；23, safety protection cap.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by specific embodiment below.Obviously, it is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.
Referring to shown in FIG. 1 to FIG. 2, a kind of medical needle with safeguard protection and self-destroying function, including syringe needle 1,2 and of needle stand
Syringe needle functor.Syringe needle 1 is fixed on needle stand 2, while collar 3 with a central hole on needle stand 2, can be incited somebody to action by the centre bore
Collar 3 is fixed on the needle stand 2 of syringe body 4.Collar 3 can pass through the modes such as screw thread, slot, fin and syringe body 4
It is formed be spirally connected, be clamped, rubbing etc. between needle stand 2 and be detachably connected.It is of course also possible to by welding, the modes such as integrally moulded with
Syringe body 4 forms non-removable connection structure.
Syringe needle functor includes safeguard protection portion and syringe needle breaking-up portion 5, and both safeguard protection portion and syringe needle breaking-up portion 5 can
Dynamic connection, syringe needle breaking-up portion 5 is interior containing the liquid substance 6 for damaging syringe needle 1, and syringe needle 1 is placed in safe guarantor in a manner of it can not exit
In shield portion, syringe needle breaking-up portion 5 causes syringe needle 1 to enter in syringe needle breaking-up portion 5 relative to the movement of safeguard protection portion, damages syringe needle.
Specifically, safeguard protection portion is 7 structure of safety protective cover, safety protective cover 7 and syringe needle breaking-up portion 5 pass through along the two
The end of the sliding guide piece connection being axially arranged, safety protective cover 7 and 5 junction of syringe needle breaking-up portion is equipped with lockable mechanism 8, uses
It is axially arbitrarily moved relative to safety protective cover 7 along it preventing syringe needle breaking-up portion 5 in no external force.Safety protective cover 7
The stop element 9 of the limitation stroke in safety protective cover 7 of syringe needle breaking-up portion 5 is additionally provided on its inner sidewall, when syringe needle breaking-up portion 5
It is moved into safety protective cover 7 along its axis to cause the syringe needle 1 being placed in safety protective cover 7 to be pierced into through sliding guide piece
It is destroyed in syringe needle breaking-up portion 5.
And above-mentioned safety protective cover 7 is the column type ontology of one side opening.Safety protective cover 7 also includes can elasticity
The locking member 10 of deformation and vertical passage 11 through safety protective cover 7.One end of safety protective cover 7 passes through hinge 12
It is rotatably connected with needle stand 2, syringe needle breaking-up portion 5 is moved in the vertical passage 11 of safety protective cover 7 by sliding guide piece, is locked
The end of vertical passage 11 Yu 5 junction of syringe needle breaking-up portion is then arranged in locking mechanism 8, and stop element 9 is arranged in vertical passage 11
It is interior.Vertical passage 11 is arranged in close to one end of hinge 12 in locking member 10, and locking member 10 is back-off, buckle or clip, and
It is made of flexible rigid plastics or metal.
For safety protective cover 7 through rotating, syringe needle 1 crosses the locking member 10 of elastically deformable in vertical passage 11,
Syringe needle 1 is forced to be placed in the vertical passage 11 of safety protective cover 7 in the form that can not be exited after the reinstatement of locking member 10.
Wherein, sliding guide piece is arranged between lockable mechanism 8 and stop element 9, and includes guiding parts 13 and cunning
Dynamic component 14.The arbitrarily cooperation of guiding parts 13 and slide unit 14 is separately positioned on the inner sidewall of safety protective cover 7 or syringe needle
On the lateral wall in breaking-up portion 5, guiding parts 13 includes guide rail or guide groove, and it includes convex that slide unit 14, which corresponds to guiding parts 13,
Rise or fin.When pushing syringe needle breaking-up portion 5 along longitudinal direction with a certain amount of external force, syringe needle breaking-up portion 5 can be protected relative to safety
Sheath 7 slides.When syringe needle breaking-up portion 5 is slided into along guiding parts 13 abuts stop element 9, syringe needle breaking-up portion 5 continues to slide
Dynamic movement is prevented from, and even if continuing growing thrust, the direction that syringe needle breaking-up portion 5 will not be indicated to arrow P (referring to fig. 2)
Movement.
As shown in figure 3, lockable mechanism 8 include sliding block 15 and locking shelves, sliding block 15 be arranged on slide unit 14 or with
Slide unit 14 is integrally formed.Locking shelves are arranged in guiding parts 13 and are located at safety protective cover 7 and 5 junction of syringe needle breaking-up portion
End.Locking shelves include the first locking shelves 16 and the second locking shelves 17, and the two is along syringe needle breaking-up portion 5 towards safety protective cover 7
Moving direction is set gradually, and the structural strength of the first locking shelves 16 is greater than the second locking shelves 17, and the first locking shelves 16 are in external force
Deformation occurs under effect, and deformation occurs under external force for the second locking shelves 17.Sliding block 15 is arranged in 16 He of the first locking shelves
Between second locking shelves 17.When syringe needle breaking-up portion 5 is abutted the second locking shelves 17 simultaneously by external force by external force, that is, sliding block 15
Forcing the second locking shelves 17, deformation occurs, and sliding block 15, which is crossed, to be moved in the second locking shelves 17 entrance guiding parts 13 to drive syringe needle
Breaking-up portion 5 is mobile, and the presence of the first locking shelves 16 can prevent syringe needle breaking-up portion 5 from emerging in safety protective cover 7.
When relative to safety protective cover 7, axis L (joins along longitudinal direction by syringe needle breaking-up portion 5 by user or medical staff
See Fig. 2) when applying the external force in the direction (i.e. first direction P) indicated by the arrow P, if the external force is greater than 8 locking of lockable mechanism
The locking power in syringe needle breaking-up portion 5 and safety protective cover 7, then syringe needle breaking-up portion 5 will cross the second locking shelves of lockable mechanism 8
17 and slided relative to the direction indicated by the arrow P of safety protective cover 7.Also, when along contrary with indicated by arrow P
When second direction Q applies external force, syringe needle breaking-up portion 5 is prevented from relative to the sliding motion of safety protective cover 7, and even if continues
Increase external force, syringe needle breaking-up portion 5 will not slip to second direction Q and move.
As illustrated in fig. 2, it is assumed that the distance between stop element 9 and lockable mechanism 8 are L1, the entirety in syringe needle breaking-up portion 5 is long
Degree is L2, the specific size of safety protective cover 7 and syringe needle breaking-up portion 5 are as follows: when the longitudinal direction that syringe needle 1 is maintained at safety protective cover 7 is logical
When in road, 1 part of syringe needle takes 1/2~3/4 of the length between lockable mechanism 8 and stop element 9, i.e. syringe needle 1 is placed in backstop
Element 9 to the partial-length between lockable mechanism 8 is 0.5L1~0.75L1.In addition, L1 is set as no more than L2, it is general to be arranged
For L2:L1=1.1~1.3.Above-mentioned setting is so that syringe needle breaking-up portion ought be pushed relative to safety protective cover 7 under the effect of external force
When 5 arrival 13 lowermost end of guiding parts, the needle point of syringe needle 1 is at the medium position that syringe needle breaking-up portion 5 is formed by space
Near.
When normal injection, infusion or blood drawing, syringe needle functor is in the first position for exposing syringe needle 1, as shown in Fig. 2, working as
After the completion of injection, infusion or blood drawing, syringe needle functor can be pivoted to the second position of covering syringe needle 1 along hinge 12.Wherein, exist
Syringe needle 1 crosses locking member 10 and is incorporated in vertical passage 11 and can not exit when the second position, prevents user or medical care
The danger that personnel are pricked by needle.
In order to wrack syringe needle 1 to prevent syringe needle 1 is possible from reusing again, locked when syringe needle 1 is locked element 10
Only after vertical passage 11 is formed by space, user or medical staff can ruin syringe needle along the direction arrow P (referring to fig. 2)
Bad portion 5 imposes a certain amount of motive force, so that syringe needle breaking-up portion 5 overcomes the locking of lockable mechanism 8 under the action of the thrust
Power, thus relative to 7 longitudinal sliding motion of safety protective cover.
As shown in Fig. 4~Fig. 5, syringe needle breaking-up portion 5 includes hard shell 18 and container casing 19, and the setting of container casing 19 exists
The inside of hard shell 18 and it is tightly attached to 18 inner sidewall of hard shell.The outer surface of hard shell 18 is formed with and safety protective cover
The 7 corresponding slide unit 14 of guiding parts 13.One end of hard shell 18 and 7 junction of safety protective cover has closing and easily
The protective layer 20 punctured by syringe needle, and the other end is then the thickening layer 21 for increasing structural strength, which further enhances firmly
Mass shell body 18 is unlikely to deform in the hardness of the end so that still being able to guarantee hard shell 18 when external force collision thickening layer 21
With damage (such as in syringe using completing and when syringe needle 1 is wrapped in wherein by syringe needle functor, medical staff or user
Can one hand hold syringe body 4, then by the end of the thickening layer 21 in syringe needle breaking-up portion 5 from top to bottom firmly hit desktop
Or metope, so that syringe needle breaking-up portion 5 can be protected along guiding parts 13 relative to safety in the locking power for overcoming lockable mechanism 8
Sheath 7 slides).Wherein, protective layer 20 is used to provide the possibility accidental release of the liquid substance 6 in container casing 19 and stops to protect
Shield, to further prevent pollution or burn (wherein container casing of the liquid substance 6 that may be revealed to external environment or human body
19 provide the first pipe protection, and protective layer 20 provides the second pipe protection), it is accordingly used in the tool of production protective layer 20, container casing 19
Body material is the respective material in the prior art for containing corrosive liquids or seccotine, be will not repeat them here.Further
Ground, as shown in figure 4, thickening layer 21 and hard shell 18 can also use and container casing 19 in the side close to container casing 19
Identical material production.Further, to prevent possible unexpected or polluting, container casing 19 is formed by the volume in space
(or volume of the liquid substance 6 accommodated accordingly) no more than 10ml, no more than 15ml, no more than 20ml, no more than 30ml, no
Greater than 40ml or it is not more than 50ml.
It is loaded with the liquid substance 6 that can damage syringe needle in container casing 19, irreversible corruption is carried out with the needle point to syringe needle 1
Erosion or blocking truly prevent syringe needle that may be used again to realize permanently wracking to syringe needle 1,
Effectively reduce the risk of cross-infection.
When liquid substance 6 is corrosive liquids such as strong acid, when needle point 1 is contacted with corrosive liquids, corrosive liquids
Chemical attack can be carried out to syringe needle 1, so that syringe needle 1 is wracked, to prevent syringe needle 1 that may be used further.Work as liquid
When substance 6 is super glue such as 502 glue, when needle point 1 and 502 glue-contact, glue is capable of the tip of strong sealing syringe needle 1
And solidify rapidly, to physically make syringe needle 1 can not be again as the conductive channel of liquid, even if passing through specialist tools
Extract syringe needle 1 after safety protective cover 7 is destroyed out, then due to the super glue blocking that the pin hole of needle point 1 has been cured, syringe needle 1
It is also impossible to further be reused.
For the ease of when syringe needle breaking-up portion 5 is moved relative to safety protective cover 7 along first direction P, the needle point of syringe needle 1 holds
The end wall of container casing 19 is easily punctured, as shown in Figures 4 and 5, the near center location region of the end wall of container casing 19 is formed as
Convenient for the weakness zone that syringe needle 1 is pierced into, further, which may be alternatively formed to seal with the end wall of container casing 19 and tie
The plug 22 of conjunction, when the needle point of syringe needle 1 abuts the plug 22, syringe needle 1 can eject the plug 22 hence into container casing
19 are formed by the space for accommodating liquid substance 6, and the needle point of syringe needle 1 is immersed in liquid substance 6 or by liquid at this time
Body substance 6 surrounds.
Fig. 6 is second of structure type of syringe needle functor, the second embodiment as the application.Not with first embodiment
With safeguard protection portion forms 23 structure of safety protection cap in syringe needle functor, will after the completion of injection, infusion or blood drawing
The syringe needle functor housing, to cover syringe needle 1, enforces syringe needle breaking-up portion 5 relative to peace on the needle stand 2 of syringe body 4
All risk insurance helmet 23 slides, and syringe needle 1 is pierced into syringe needle breaking-up portion 5 and is damaged by thorough burn into.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of medical needle with safeguard protection and self-destroying function, including syringe needle and needle stand, the syringe needle are fixed on needle stand,
It is characterized by also including there is a syringe needle functor, the syringe needle functor includes safeguard protection portion and syringe needle breaking-up portion, institute
It states both safeguard protection portion and syringe needle breaking-up portion movably to connect, the liquid substance containing breaking-up syringe needle in syringe needle breaking-up portion,
The syringe needle is placed in safeguard protection portion in a manner of it can not exit, and syringe needle breaking-up portion causes needle relative to the movement of safeguard protection portion
Head enters in syringe needle breaking-up portion, damages syringe needle.
2. a kind of medical needle with safeguard protection and self-destroying function according to claim 1, it is characterised in that: the peace
Full guard portion is safeguard protection nested structure or safeguard protection cap structure, and the safeguard protection portion and syringe needle breaking-up portion pass through along the two
The end of the sliding guide piece connection being axially arranged, the safeguard protection portion and syringe needle breaking-up portion junction is equipped with lockable mechanism,
For preventing syringe needle breaking-up portion from axially arbitrarily moving relative to safeguard protection portion along it in no external force, the safeguard protection
Portion is additionally provided with the stop element of limitation syringe needle breaking-up portion stroke in safeguard protection portion on its inner sidewall, when syringe needle breaking-up portion passes through
Sliding guide piece moves into safeguard protection portion along its axis to cause the syringe needle being placed in safeguard protection portion to be pierced into syringe needle
Breaking-up is destroyed in portion.
3. a kind of medical needle with safeguard protection and self-destroying function according to claim 2, it is characterised in that: the cunning
Lower moving guide includes guiding parts and slide unit, and the guiding parts and slide unit, which arbitrarily cooperate, is separately positioned on safe guarantor
On the inner sidewall in shield portion or on the lateral wall in syringe needle breaking-up portion.
4. a kind of medical needle with safeguard protection and self-destroying function according to claim 3, it is characterised in that: described to lead
It include guide rail or guide groove to component, it includes protrusion or fin that the slide unit, which corresponds to guiding parts,.
5. a kind of medical needle with safeguard protection and self-destroying function according to claim 3, it is characterised in that: the lock
Locking mechanism includes sliding block and locking shelves, and the sliding block is arranged on slide unit or is integrally formed with slide unit, the lock
The end that guiding parts is located at safeguard protection portion Yu syringe needle breaking-up portion junction is arranged in stop, and the locking shelves include first
Locking shelves and the second locking shelves, the two are set gradually along syringe needle breaking-up portion towards safeguard protection portion moving direction, and the sliding block is set
It sets between the first locking shelves and the second locking shelves, the structural strength of the first locking shelves is greater than the second locking shelves, and first
Deformation occurs under external force for locking shelves, and deformation occurs under external force for the second locking shelves, when syringe needle breaking-up portion is by outer
Power effect is that sliding block is abutted the second locking shelves by external force and forces the second locking shelves deformation occurs, and sliding block crosses the second locking
Shelves, which enter in guiding parts, to be moved to drive syringe needle breaking-up portion mobile, and the presence of the first locking shelves can prevent syringe needle breaking-up portion de-
For in safeguard protection portion.
6. a kind of medical needle with safeguard protection and self-destroying function according to claim 2, it is characterised in that: described to stop
Keeping off the distance between element and lockable mechanism is L1, and the entire length in syringe needle breaking-up portion is L2, L2:L1=1.1~1.3,
It is 0.5L1~0.75L1 that the syringe needle, which is placed in stop element to the partial-length between lockable mechanism,.
7. a kind of medical needle with safeguard protection and self-destroying function according to claim 1, it is characterised in that: the needle
Head breaking-up portion includes hard shell and container casing, and the container casing is arranged in the inside of hard shell and is tightly attached to hard shell
The protective layer that one end of internal side wall, the hard shell and safeguard protection portion junction has closing and easily punctured by syringe needle,
And the other end is then the thickening layer for increasing structural strength, the container casing corresponds to hard shell equipped with shape at one end of protective layer
Cheng Youyu container casing end wall seals the plug combined, is loaded with the liquid substance that can damage syringe needle in the container casing.
8. a kind of medical needle with safeguard protection and self-destroying function according to claim 7, it is characterised in that: the liquid
Body substance is corrosive liquids or super glue.
9. a kind of medical needle with safeguard protection and self-destroying function according to claim 2, it is characterised in that: the peace
When full guard portion is safeguard protection nested structure, the safety protective cover is the column type ontology of one side opening, and the safety is protected
Sheath also includes the locking member of elastically deformable and the vertical passage through safety protective cover, the safety protective cover
One end be rotatably connected by hinge and needle stand, syringe needle breaking-up portion by sliding guide piece in the longitudinal direction of safety protective cover
It is moved in channel, the end of vertical passage Yu syringe needle breaking-up portion junction is arranged in the lockable mechanism, and the stop element is set
It sets in vertical passage, the one end of vertical passage close to hinge is arranged in the locking member, and safety protective cover is through rotating, syringe needle
The locking member of elastically deformable is crossed in vertical passage, locking member is compeled after restoring to the original state in the form that can not be exited
It is placed in syringe needle in the vertical passage of safety protective cover.
10. a kind of medical needle with safeguard protection and self-destroying function according to claim 9, it is characterised in that: described
Locking member is back-off, buckle or clip, and is made of flexible rigid plastics or metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287664.5A CN109260551B (en) | 2018-10-31 | 2018-10-31 | Medical needle with safety protection and self-destruction functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287664.5A CN109260551B (en) | 2018-10-31 | 2018-10-31 | Medical needle with safety protection and self-destruction functions |
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| Publication Number | Publication Date |
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| CN109260551A true CN109260551A (en) | 2019-01-25 |
| CN109260551B CN109260551B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811287664.5A Active CN109260551B (en) | 2018-10-31 | 2018-10-31 | Medical needle with safety protection and self-destruction functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957565A (en) * | 2021-02-11 | 2021-06-15 | 常州市武进人民医院 | Puncture-preventing needle head device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2691798A1 (en) * | 1992-06-02 | 1993-12-03 | Giat Ind Sa | Chemical self destruct system for sub-munition of carrier shell |
| CN2499049Y (en) * | 2001-07-11 | 2002-07-10 | 祁淼 | Disposable syringe |
| EP2391412A1 (en) * | 2009-01-30 | 2011-12-07 | Needlesmart Holdings Limited | Hypodermic needle destruction |
| CN102813986A (en) * | 2012-07-29 | 2012-12-12 | 宁波市鄞州青林医疗器械技术咨询有限公司 | Self-destructive mechanism of axial filling adhesive type disposable blood sampling syringe needle |
| WO2013117526A1 (en) * | 2012-02-07 | 2013-08-15 | KD Medical GmbH Hospital Products | Safety device for a hypodermic needle |
| CN103405834A (en) * | 2013-08-10 | 2013-11-27 | 江苏康友医用器械有限公司 | Self-destructive disposable syringe |
| CN203898855U (en) * | 2014-06-14 | 2014-10-29 | 上海双鸽实业有限公司 | Externally-pulled protective sleeve type self-destruction injection syringe |
| CN204092748U (en) * | 2014-09-23 | 2015-01-14 | 浙江欧健医用器材有限公司 | Safe self-breaking syringe |
| CN204395142U (en) * | 2014-12-22 | 2015-06-17 | 莆田市荔城区聚慧科技咨询有限公司 | A kind of type self-destroyed bilayer engaging syringe of pulling back safely |
| CN204910354U (en) * | 2015-08-03 | 2015-12-30 | 淮安市恒春医疗器材有限公司 | Safe self -destruction formula syringe needle |
| CN205172859U (en) * | 2015-11-03 | 2016-04-20 | 天津市能信科技有限公司 | Electronic leak protection notes liquid needle for infusion pump |
| US20160317755A1 (en) * | 2015-04-30 | 2016-11-03 | Hsien-Tsung Wang | Safety syringe |
| CN209301919U (en) * | 2018-10-31 | 2019-08-27 | 苏州大学附属第一医院 | A kind of medical needle with safeguard protection and self-destroying function |
-
2018
- 2018-10-31 CN CN201811287664.5A patent/CN109260551B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2691798A1 (en) * | 1992-06-02 | 1993-12-03 | Giat Ind Sa | Chemical self destruct system for sub-munition of carrier shell |
| CN2499049Y (en) * | 2001-07-11 | 2002-07-10 | 祁淼 | Disposable syringe |
| EP2391412A1 (en) * | 2009-01-30 | 2011-12-07 | Needlesmart Holdings Limited | Hypodermic needle destruction |
| WO2013117526A1 (en) * | 2012-02-07 | 2013-08-15 | KD Medical GmbH Hospital Products | Safety device for a hypodermic needle |
| CN102813986A (en) * | 2012-07-29 | 2012-12-12 | 宁波市鄞州青林医疗器械技术咨询有限公司 | Self-destructive mechanism of axial filling adhesive type disposable blood sampling syringe needle |
| CN103405834A (en) * | 2013-08-10 | 2013-11-27 | 江苏康友医用器械有限公司 | Self-destructive disposable syringe |
| CN203898855U (en) * | 2014-06-14 | 2014-10-29 | 上海双鸽实业有限公司 | Externally-pulled protective sleeve type self-destruction injection syringe |
| CN204092748U (en) * | 2014-09-23 | 2015-01-14 | 浙江欧健医用器材有限公司 | Safe self-breaking syringe |
| CN204395142U (en) * | 2014-12-22 | 2015-06-17 | 莆田市荔城区聚慧科技咨询有限公司 | A kind of type self-destroyed bilayer engaging syringe of pulling back safely |
| US20160317755A1 (en) * | 2015-04-30 | 2016-11-03 | Hsien-Tsung Wang | Safety syringe |
| CN204910354U (en) * | 2015-08-03 | 2015-12-30 | 淮安市恒春医疗器材有限公司 | Safe self -destruction formula syringe needle |
| CN205172859U (en) * | 2015-11-03 | 2016-04-20 | 天津市能信科技有限公司 | Electronic leak protection notes liquid needle for infusion pump |
| CN209301919U (en) * | 2018-10-31 | 2019-08-27 | 苏州大学附属第一医院 | A kind of medical needle with safeguard protection and self-destroying function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957565A (en) * | 2021-02-11 | 2021-06-15 | 常州市武进人民医院 | Puncture-preventing needle head device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109260551B (en) | 2024-01-09 |
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