CN107714054A - It is exclusively used in the mechanism protected vein blood taking needle - Google Patents
It is exclusively used in the mechanism protected vein blood taking needle Download PDFInfo
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- CN107714054A CN107714054A CN201711138030.9A CN201711138030A CN107714054A CN 107714054 A CN107714054 A CN 107714054A CN 201711138030 A CN201711138030 A CN 201711138030A CN 107714054 A CN107714054 A CN 107714054A
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- blood taking
- needle
- taking needle
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- 239000008280 blood Substances 0.000 title claims abstract description 61
- 210000004369 blood Anatomy 0.000 title claims abstract description 61
- 210000003462 vein Anatomy 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 14
- 230000008859 change Effects 0.000 abstract description 9
- 231100000419 toxicity Toxicity 0.000 abstract description 3
- 230000001988 toxicity Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000011022 operating instruction Methods 0.000 abstract 1
- 210000003739 neck Anatomy 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000010241 blood sampling Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001467 acupuncture Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 241001411320 Eriogonum inflatum Species 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 244000060701 Kaempferia pandurata Species 0.000 description 1
- 235000016390 Uvaria chamae Nutrition 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- 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
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
-
- 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
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/15058—Joining techniques used for protective means
- A61B5/150625—Joining techniques used for protective means by using additional parts, e.g. clamping rings or collets
-
- 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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of mechanism for being exclusively used in protecting vein blood taking needle, cap is given unprincipled protection to including inner hollow and both ends open, the needle handle card article being provided with the cavity of cap for being connected with needle handle is given unprincipled protection to, gives unprincipled protection to and is provided with non-return cap below cap, is given unprincipled protection in the bottom insertion non-return cap of cap.The present invention it is easy to operate, do not change agent structure, using it is preceding without the concern for complexity operating instruction, mistake use, special use habit the problems such as；Do not change operating habit after use, the completely alternative ordinary venous blood taking needle at present of this simple designs for not changing operating habit and with extensively using property；Its is simple in construction, and increased part is fastened in needle handle blade position, and the agent structure of immovable vein blood taking needle, its risk is minimum, clinical to realize that safety is given unprincipled protection to easily, and the remaining blood after pin is pulled out in the sorbing material absorption for giving unprincipled protection to cap front end, realizes protection completely；Blood taking needle internal structure is not contacted completely using preceding, does not increase the compatibility and risk of toxicity of device and blood taking needle.
Description
Technical field
The present invention relates to a kind of medicine equipment, and in particular to a kind of mechanism for being exclusively used in protecting vein blood taking needle.
Background technology
Vein blood taking needle belongs to the disposable medical treatment consumptive materials of medical field.Wherein the vein blood taking needle with flexible pipe is because of it
It is easy to grip during needle handle vane operation, flexible pipe is easy to observe blood back, and puncture bottle stopper end is easy to puncture and chosen in venal distal adopts
The advantages that blood vessel, and in clinical department extensive use.
Medical institutions' management regulation require blood sampling operating personnel complete blood sampling operation after by needle tip security protection with
Risk and the pollution of blood source are stabbed in prevention again.Traditional way is：Blood taking needle plastic protective is recovered into lid, this operation or because shield
Set, which tumbles, to be difficult to carry out, or is inherently had and stabbed risk again；Blood taking needle is inserted special processed material or lost and is protected into hard
In box, this method needs Clinical Institutions to make special configuration.Medicine equipment manufacturer and Clinical Institutions proposed more in recent years
The safe blood-taking needle of type self-destroyed and anti-acupuncture, and the product of clinical practice applications well is very few.It is primarily due to these designs：
1. device and most of push-pull configurations based on sliding block, guide and protective cover based on ejection mechanism, all change
The material structure and the mode of production of current hose type vein blood taking needle are become, as the domestic medical treatment by the supervision of the 3rd class excessive risk
Apparatus, these designs are all difficult to the toxic action and sterilization effect of taking into account material completely at present, the security of structure function and have
Effect property；Simultaneously as ripe production in industry and the easy consumption material of low value used, these design structures are relatively complicated, manufacturing cost
All it is difficult to economy.
Device is fixed on needle stand or is enclosed on flexible pipe 2. also having, neck is fastened on needle tubing after the completion of blood sampling and realized
Anti- acupuncture.This kind of technical pattern is simple, does not change the agent structure of current ripe blood taking needle, is easy to injection molded and assembling.But
Consistent with the operational risk degree that set is given unprincipled protection in traditional wearing using rear snap-action, i.e., snap-action inherently has directly touching pin
The risk of point and blood, protection completely is not realized really.
The content of the invention
The technical problems to be solved by the invention are or that the protection of existing vein blood taking needle is complicated, it is difficult to real
Existing, or being that protection can not be fully achieved in structure, its object is to provide one kind to be exclusively used in preventing vein blood taking needle
The mechanism of shield, the structure of the mechanism is simple, can realize the complete protection to vein blood taking needle, and easy to operate, operator
The risk of member is minimum.
The present invention is achieved through the following technical solutions：
It is exclusively used in the mechanism protected vein blood taking needle, including inner hollow and both ends open give unprincipled protection to cap, it is described
Give unprincipled protection to the needle handle card article being provided with the cavity of cap for being connected with needle handle, and needle handle card article can in the cavity for give unprincipled protection to cap edge
The axis direction movement for giving unprincipled protection to cap, non-return cap is provided with below cap giving unprincipled protection to, the bottom for giving unprincipled protection to cap is inserted from the top of non-return cap
Enter in non-return cap.At present clinically, vein blood taking needle is more commonly used medical treatment consumptive materials, its using when insertion blood vessel taken out
Blood, so syringe needle is all more sharp, for security consideration, blood sampling operating personnel complete after blood sampling operates that needle tip is anti-safely
Shield is polluted with preventing to stab risk and blood source again, and current protection mechanism substantially uses two kinds of structures, and one kind is to launch original
Device based on reason and most of push-pull configurations based on sliding block, guide and protective cover, this kind of device and structure be required for by
The agent structure of now widely used vein blood taking needle is changed, and actually designs new vein blood taking needle, but this
Kind of design will all be difficult to the toxic action and sterilization effect of taking into account material completely at present, security for structure function and effectively
Property obtain the certification of supervision department, and its structure is relatively complicated, and manufacturing cost and economy are all difficult to, another
Then structure is relatively easy for kind, and it does not change the agent structure of current ripe blood taking needle, is easy to injection molded and assembling, device is consolidated
It is scheduled on needle stand or is enclosed on flexible pipe, neck is fastened on needle tubing after the completion of blood sampling and realizes anti-acupuncture.But behaviour is engaged after use
Work is consistent with the operational risk degree that set is given unprincipled protection in traditional wearing, i.e., snap-action inherently has the directly wind of touching needle point and blood
Danger, protection completely is not realized really.And the protection mechanism of this programme design, do not change the agent structure of vein blood taking needle yet,
Mechanism is fastened in needle handle blade position, is gripped with finger and gives unprincipled protection to cap and non-return cap main body, other fingers are stirred blade and returned
It is buckled in non-return cap neck, its is easy to operate, and this simple designs for not changing operating habit are completely alternative common at present quiet
Arteries and veins blood taking needle and with extensively using property, do not contact blood taking needle internal structure completely using preceding, do not increase device and blood taking needle
Compatibility and risk of toxicity, the risk of operating personnel are minimum.
For the ease of installing and using, needle handle card article is designed as inner hollow and both ends open structure, in needle handle card article
Side wall on be provided with groove one and neck one, and groove one simultaneously with the both ends of needle handle card article and it is internal connect, neck one and
Groove one is connected and connected with the inside of needle handle card article, and the diameter parallel of groove one and needle handle card article.Needle handle card article be with
The part that the needle handle connecting portion of vein blood taking needle is attached, the transfixion pin handle card article both ends of groove one, and neck one is used to block
Needle handle so that be not in movement when in use, keep firm.
And groove two and neck two are provided with the side wall for give unprincipled protection to cap, and groove two is simultaneously with giving unprincipled protection to the bottom of cap and interior
Portion connects, and neck two connects with groove two and the inside with giving unprincipled protection to cap connects, and groove two and the diameter parallel for giving unprincipled protection to cap, gives unprincipled protection to cap
Top the shock that anticollision layer is used for blood taking needle and protection mechanism when slowing down use is installed, be fixed in order to which cap will be given unprincipled protection to,
The mounting groove that cap bottom is mutually matched is recessed and given unprincipled protection on the top of non-return cap, and the bottom of mounting groove is provided through non-return
The through hole of cap bottom, two grooves three are provided with the side wall of non-return cap, wherein a groove San Tong method and the two of non-return cap
End, mounting groove connected with through hole, another groove San Tong method connects with the top of non-return cap and mounting groove, in groove three with non-return
The wall of the groove three of the top connection of cap is protruded to form boss, and axisymmetrical of the groove three along non-return cap is set.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention's is easy to operate, and the design does not change agent structure, is said using the preceding operation without the concern for complexity
The problems such as bright, mistake use, special use habit；Do not change operating habit after use, there is clinical trial by each
For the technical ability of room operation, with the hands or singlehanded it can realize：Forefinger and finger root grip and give unprincipled protection to cap and non-return cap master when singlehanded
Body, thumb stirs blade and returning is in non-return cap neck, this completely alternative mesh of the simple designs for not changing operating habit
Preceding ordinary venous blood taking needle and with extensively using property；
2nd, structure of the invention is simple, and increased part is fastened in needle handle blade position, and do not change current industry makes extensively
The agent structure of vein blood taking needle, manufacturing enterprise are not required to rethink different material bonding steadiness, chemical group split-phase
Capacitive, sterilizing and packaging applicability, especially need not design and transform it is new can bulk industrial operation assembling equipment, increase
Structure by injection molding and agree with assembling, comply fully with the economy and cost of the easy consumptive material of low value, manufacturing enterprise can be quick
Realize batch application；
3rd, risk of the invention is minimum, clinical to realize that safety is given unprincipled protection to easily, and pin is pulled out in the sorbing material absorption for giving unprincipled protection to cap front end
Remaining blood afterwards, realize protection completely；Blood taking needle internal structure is not contacted completely before the newly-increased device use of invention, does not increase device
With the compatibility and risk of toxicity of blood taking needle.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the front view when present invention uses；
Fig. 2 is the dimensional structure diagram of the present invention；
Fig. 3 is the structural representation for giving unprincipled protection to cap；
Fig. 4 is the structural representation of needle handle card article；
Fig. 5 is the structural representation of non-return cap.
Mark and corresponding parts title in accompanying drawing：
1- gives unprincipled protection to cap, 1-1- necks two, and 1-2- gives unprincipled protection to cap chamber, 1-3- grooves two, 2- draw points, 3- sheaths, 4- non-return caps, 4-
1- boss, the first grooves of 4-2- three, 4-3- through holes, the second grooves of 4-4- three, 5- needle handle card articles, 5-1- grooves one, 5-2- needle handles
Card article chamber, 5-3- necks one, 6- needle handles, 7- flexible pipes.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figures 1 to 5, the mechanism protected vein blood taking needle is exclusively used in, in actual use, its effect pair
As if vein blood taking needle, and vein blood taking needle part is same as commonly used structure now, by puncture venous blood end draw point 2,
Sheath 3, needle handle 6, flexible pipe 7 and puncture bottle stopper end (being not drawn on figure) composition, this programme increase in traditional composition structure：Pin
Handle card article 5, give unprincipled protection to cap 1, non-return cap 4 and give unprincipled protection to the soft sorbing material of cap front end this several agent structure (is not drawn into) on figure.
Increased structure is fastened on needle handle successively by injection molded by fluting and concavo-convex platform.And it is inner hollow and two to give unprincipled protection to cap 1
The column structure of end opening, the cavity for giving unprincipled protection to cap 1 is named as and gives unprincipled protection to cap chamber 1-2, and soft suction is provided with the top for giving unprincipled protection to cap 1
Anticollision layer made of enclosure material, in order to be attached fixation, it is provided with the cavity for giving unprincipled protection to cap 1 for being connected with needle handle 6
Needle handle card article 5, and needle handle card article 5 can move in the cavity for giving unprincipled protection to cap 1 along the axis direction for giving unprincipled protection to cap 1, needle handle card article 5
For inner hollow and both ends open structure, the cavity of needle handle card article 5 is named as needle handle card article chamber 5-2, in the side of needle handle card article 5
The 5-1 of groove one and the 5-3 of neck one, and the 5-1 of groove one while the both ends with needle handle card article 5 and needle handle card article chamber 5- are provided with wall
2 connections, the 5-3 of neck one are connected with the 5-1 of groove one and connected with needle handle card article chamber 5-2, its 5-1 of middle groove one and needle handle card article 5
Diameter parallel, needle handle card article chamber 5-2 diameter is equal to needle handle connector external diameter, to slip into and be fastened on needle handle connection footpath,
The 5-3 of neck one realizes the tight fit with needle handle to engage needle handle root of blade.
Non-return cap 4 is provided with below cap 1 giving unprincipled protection to, gives unprincipled protection to the bottom of cap 1 from the top of non-return cap 4 insertion non-return cap 4,
Give unprincipled protection to and the 1-3 of groove two and the 1-1 of neck two are provided with the side wall of cap 1, and the 1-3 of groove two is simultaneously with giving unprincipled protection to the bottom of cap 1 and returning
Helmet chamber 1-2 is connected, and the 1-1 of neck two is connected with the 1-3 of groove two and connected with giving unprincipled protection to cap chamber 1-2, and the 1-3 of groove two is with giving unprincipled protection to
The diameter parallel of cap 1, it is hollow circular cylinder to give unprincipled protection to cap 1, and the diameter for giving unprincipled protection to cap chamber 1-2 is slightly larger than outside blood taking needle original sheath and flexible pipe
Footpath, slipped into outside sheath at needle handle during for assembling.The 1-1 of neck two width is slightly larger than needle handle vane thickness, during assembling
Needle handle 6 passes through.Needle handle is fixed in groove in the 1-1 of the neck two 1-3 top right sides of groove two setting, assembling.
The mounting groove that the bottom of cap 1 is mutually matched is recessed and given unprincipled protection on the top of non-return cap 4, and the bottom of mounting groove is set
There is the through hole 4-3 through the bottom of non-return cap 4, two grooves three are provided with the side wall of non-return cap 4, it is logical to be respectively designated as first
The 4-2 of the groove three and 4-4 of the second groove three, wherein the both ends with non-return cap 4, mounting groove and through hole 4-3 connect the 4-4 of the second groove three simultaneously
Logical, the 4-2 of the first groove three connects with the top of non-return cap 4 and mounting groove simultaneously, and non-return cap 4 is hollow circular cylinder, the first groove
Axisymmetrical along non-return cap 4 of three 4-2 and the 4-4 of the second groove three is set, and the 4-4 of the second groove three is standard-sized sheet, the first groove three
4-2 is half fluting that bottom seals, and protrudes to form boss 4-1 in the 4-2 of the first groove three wall, through hole 4-3 diameter is less than
The external diameter of cap 1 being given unprincipled protection to, the position for giving unprincipled protection to cap 1 is limited during for assembling, while allow blood taking needle flexible pipe to pass through.Mounting groove is not marked on the diagram
Note, it is that the intracavity bottom of non-return cap 4 is set at one or one encloses to the recessed step of inner cylinder, with giving unprincipled protection to outside cap 1 during assembling
Convexing to form for post corresponding site well agrees with.The 1-3 of groove two for giving unprincipled protection to cap 1 and the first groove three of non-return cap 4 assembled
4-2 is on the same line.
Specifically used method：
The venous blood collection syringe needle punctured in human body is pulled out, can with the hands or one hand is operated, in one-handed performance, food
Refer to and refer to root gripping and give unprincipled protection to cap 1 and the main body of non-return cap 4, thumb stirs blade and leaves the 1-1 of neck two, and the logical of cap 1 is given unprincipled protection on edge
The 1-3 of groove two moves towards non-return cap 4, when blade slides into due to the 1-3 of the groove two and 4-2 of the first groove three on the same line
In the 4-2 of first groove three and below boss 4-1, boss 4-1 projection will stop needle handle slip, realize that the vein after collection is adopted
Blood needle safety, which is retracted in, to be given unprincipled protection in cap 1, reaches the target of security protection.Blood collection needles retraction process is arranged on back to end
The flexible material of helmet front end will adsorb the excess blood taken out of of needle point when pulling out pin, prevent blood sample drip or spluttering caused by external source
Contact scar.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (10)
1. it is exclusively used in the mechanism protected vein blood taking needle, it is characterised in that time including inner hollow and both ends open
Helmet (1), the needle handle card article (5) for being connected with needle handle, and needle handle card article (5) are provided with the cavity for giving unprincipled protection to cap (1)
It can be moved in the cavity for giving unprincipled protection to cap (1) along the axis direction for giving unprincipled protection to cap (1), non-return is provided with below cap (1) giving unprincipled protection to
Cap (4), the bottom of cap (1) is given unprincipled protection to from the top of non-return cap (4) insertion non-return cap (4).
2. the mechanism according to claim 1 for being exclusively used in protecting vein blood taking needle, it is characterised in that the needle handle
Card article (5) is inner hollow and both ends open structure, and groove one (5-1) and neck are provided with the side wall of needle handle card article (5)
One (5-3), and groove one (5-1) at the same with the both ends of needle handle card article (5) and it is internal connect, neck one (5-3) and (5- of groove one
1) connect and connected with the inside of needle handle card article (5).
3. the mechanism according to claim 2 for being exclusively used in protecting vein blood taking needle, it is characterised in that the groove
One (5-1) and needle handle card article (5) diameter parallel.
4. the mechanism according to claim 1 for being exclusively used in protecting vein blood taking needle, it is characterised in that described to give unprincipled protection to
Groove two (1-3) and neck two (1-1), and groove two (1-3) while the bottom with giving unprincipled protection to cap (1) are provided with the side wall of cap (1)
End connects with inside, and neck two (1-1) connects with groove two (1-3) and the inside with giving unprincipled protection to cap (1) connects.
5. the mechanism according to claim 4 for being exclusively used in protecting vein blood taking needle, it is characterised in that the groove
Two (1-3) and the diameter parallel for giving unprincipled protection to cap (1).
6. the mechanism according to claim 1 for being exclusively used in protecting vein blood taking needle, it is characterised in that the non-return
The top of cap (4) is recessed and given unprincipled protection to the mounting groove that cap (1) bottom is mutually matched.
7. the mechanism according to claim 6 for being exclusively used in protecting vein blood taking needle, it is characterised in that the installation
The bottom of groove is provided through the through hole (4-3) of non-return cap (4) bottom, and two grooves are provided with the side wall of non-return cap (4)
Three, wherein a groove San Tong method connects with both ends, mounting groove and the through hole (4-3) of non-return cap (4), another groove San Tong method
Connected with the top of non-return cap (4) and mounting groove.
8. the mechanism according to claim 7 for being exclusively used in protecting vein blood taking needle, it is characterised in that the groove
The wall of the groove three connected in three with the top of non-return cap (4) protrudes to form boss (4-1).
9. the mechanism according to claim 7 for being exclusively used in protecting vein blood taking needle, it is characterised in that the groove
Three are set along the axisymmetrical of non-return cap (4).
10. the mechanism as claimed in any of claims 1 to 9 for being exclusively used in protecting vein blood taking needle, it is special
Sign is that the top for giving unprincipled protection to cap (1) is provided with anticollision layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138030.9A CN107714054B (en) | 2017-11-16 | 2017-11-16 | Mechanism special for protecting venous blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138030.9A CN107714054B (en) | 2017-11-16 | 2017-11-16 | Mechanism special for protecting venous blood taking needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107714054A true CN107714054A (en) | 2018-02-23 |
| CN107714054B CN107714054B (en) | 2024-04-09 |
Family
ID=61216231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711138030.9A Active CN107714054B (en) | 2017-11-16 | 2017-11-16 | Mechanism special for protecting venous blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107714054B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111374680A (en) * | 2020-03-31 | 2020-07-07 | 江苏苏云医疗器材有限公司 | Blood taking needle head protection device |
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|---|---|---|---|---|
| CN2907727Y (en) * | 2006-06-06 | 2007-06-06 | 威海洁瑞医用制品有限公司 | Single wing safety vein retaining needle |
| CN202714858U (en) * | 2012-03-27 | 2013-02-06 | 河南曙光健士医疗器械集团股份有限公司 | Disposable anti-acupuncturing vein blood taking needle |
| CN104470434A (en) * | 2012-10-26 | 2015-03-25 | 张建铭 | Integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN204484130U (en) * | 2015-03-24 | 2015-07-22 | 山东省成武县医用制品厂 | A kind of vacuum blood taking needle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111374680A (en) * | 2020-03-31 | 2020-07-07 | 江苏苏云医疗器材有限公司 | Blood taking needle head protection device |
| CN111374680B (en) * | 2020-03-31 | 2020-10-02 | 江苏苏云医疗器材有限公司 | Blood taking needle head protection device |
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| Publication number | Publication date |
|---|---|
| CN107714054B (en) | 2024-04-09 |
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