CN107405119A - A kind of safety type blood collecting needle construction - Google Patents
A kind of safety type blood collecting needle construction Download PDFInfo
- Publication number
- CN107405119A CN107405119A CN201580061977.7A CN201580061977A CN107405119A CN 107405119 A CN107405119 A CN 107405119A CN 201580061977 A CN201580061977 A CN 201580061977A CN 107405119 A CN107405119 A CN 107405119A
- Authority
- CN
- China
- Prior art keywords
- needle
- fixed link
- shell
- bar fixed
- blood collecting
- 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.)
- Granted
Links
- 239000008280 blood Substances 0.000 title claims abstract description 121
- 210000004369 blood Anatomy 0.000 title claims abstract description 121
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 150000001875 compounds Chemical class 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 9
- 238000010241 blood sampling Methods 0.000 abstract description 9
- 230000001960 triggered effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 20
- 238000001746 injection moulding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009527 percussion Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
-
- 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
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of safety type blood collecting needle construction, needle bar fix bar (2) including housing (1), in housing (1) and the blood taking needle (8) for being fixed on needle bar fix bar (2) top, the top of housing (1) is provided with needle outlet (11), and the locating piece (4) of fixed needle bar fix bar (2) is provided between needle bar fix bar (2) and housing (1) or possesses the tie point of easy breach (12).Blood taking needle (8) is fixed in housing (1) by this safety type blood collecting needle construction, unreasonable exposure of the blood taking needle (8) when being not used can be avoided, needle bar fix bar (2) afterbody is triggered by external force when blood taking needle (8) uses, needle bar fix bar (2) is skidded off from locating piece (4), and then promote blood taking needle (8), or easy breach (12) is disconnected, you can to promote blood taking needle (8) to be taken a blood sample through needle outlet (11).This safety blood taking needle is simple in construction, cost is cheap, coordinates different structures to can reach one-handed performance and/or the purpose used with supporting blood collecting pen, and the operation for the blood sampling that can effectively ensure safety, this is invented for medical instruments field.
Description
The present invention relates to medical instruments fields, more particularly to a kind of safety type blood collecting needle construction.
Current personal blood taking needle is disposable, simply it is exactly one piece of trigone iron plate in personal blood taking needle or has and fixed needle bar and facilitate the needle bar fixed link of grip, there is no limiting device, wound size and the depth caused by patient, the qualification and experience that are operated completely by nursing staff determine.Pain is strong, enables some patientss escape because of fear, abandons blood sampling inspection, clinician is prevented only to go to issue therapeutic scheme with personal experience from obtaining inspection result, misdiagnosis rate is high, delays the state of an illness.
Personal blood taking needle is mostly plastic foil or outside added with the simple packaging of a nut cap; transport, using, give up blood taking needle during will appear plastic foil pierce through or nut cap fall off situations such as; there is no shell protective layer and leads to syringe needle exposure; accidentally injure operator or the third party; pain is strong, poor safety performance, or even forms haematogenous pollution.
But such blood taking needle is still used in most medical institutions due to cheap.
Have part individual's blood taking needle that can match with blood collecting pen, but personal blood taking needle need to during installing and/or giving up exposed needle, because syringe needle exposure can accidentally injure operator, poor safety performance.And personal blood taking needle need to be placed on inside blood collecting pen, part patient brings blood in blood collecting pen into due to amount of bleeding is big, and the ejection of blood collecting pen, recovery part can not be replaced every time, and carrying out thoroughly cleaning, there is also difficulties, form the major hidden danger of blood cross contamination.
Have currently on the market using safety blood taking needle, is equipped with limiting device and shell is protected
Layer, after percussion can automatic whip-back needle, it is disposable, have a safety feature.But because its structure is complicated, component is more, manufacturing process is complicated, at high price, increase the buying and use cost of hospital, it is difficult to it is universal, therefore only some infectious disease keypoint control mechanism or the good medical institutions of economic condition are applying.
The blood taking needle that clinically a kind of structure of demand is simple, manufacture is easy, cheap, practical, safe.
Summary of the invention
To solve the above problems, the present invention provide a kind of structure it is simpler, it is cheap and can effective guarantee safety safety type blood collecting needle construction.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of safety type blood collecting needle construction, including shell, positioned at the intracorporal needle bar fixed link of the shell and it is fixed on the blood taking needle of needle bar fixed link, the shell is equipped with needle outlet, and the locating piece of fixed needle bar fixed link is equipped between the needle bar fixed link and shell or has the tie point of easy breach.
It is further used as the improvement of technical solution of the present invention, and blood taking needle is acicular sharp object.
It is further used as the improvement of technical solution of the present invention, and needle bar fixed link, which extends forward, is equipped with needle point protection stick.
It is further used as the improvement of technical solution of the present invention, and needle point protects stick and needle bar fixed link junction to be equipped with portion easy to crack.
It is further used as the improvement of technical solution of the present invention, and needle bar fixed link extends outwardly equipped with the limiting device positioned at needle bar fixed link two sides, the interior resetting apparatus for being equipped with cooperation limiting device and making the reset of needle bar fixed link of shell.
It is further used as the improvement of technical solution of the present invention, and resetting apparatus is that shell extends internally and forms and to the inclined elastic rod of housing bottom.
It is further used as the improvement of technical solution of the present invention, and needle outlet two sides are located on shell and are equipped with shutoff damper, the maximum width on needle bar fixed link top is greater than the maximum width of needle outlet.
It is further used as the improvement of technical solution of the present invention, and the locating piece of fixed needle bar fixed link is equipped between the needle bar fixed link and shell.
It is further used as the improvement of technical solution of the present invention, resetting block is equipped with positioned at the two sides of needle bar fixed link in shell, each resetting block is equipped with arc groove, the two sides of needle bar fixed link extend the protrusion for being equipped with and being caught in arc groove when needle bar fixed link resets, and arc groove is equipped with the notch that protrusion can be imported to arc groove.
It is further used as the improvement of technical solution of the present invention, and the tie point for having easy breach is equipped between the needle bar fixed link and shell.
It is further used as the improvement of technical solution of the present invention, and the tail end of needle bar fixed link, which extends to be equipped with, resets folder, and reset folder is monosymmetric buckle bar, and each bar that buckles is equipped with the buckle towards inside.
It is further used as the improvement of technical solution of the present invention, and the bottom of shell is needle stand, and the tail end of needle bar fixed link is fixed on needle stand, and needle stand is equipped with bending mouth.
It is further used as the improvement of technical solution of the present invention, extend positioned at the tail end of shell be equipped with the matched adjutage of shell tail end, detent of loading is equipped in adjutage, is equipped at least one detent of loading in adjutage.
It is further used as the improvement of technical solution of the present invention, the bottom opening of adjutage, and the tail end positioned at adjutage is equipped with the compound lock that compound lock hole is fixed on cooperation blood collecting pen.
It is further used as the improvement of technical solution of the present invention, and compound lock is symmetrically arranged two convex blocks in adjutage.
It is further used as the improvement of technical solution of the present invention, extends positioned at the outside of shell and is equipped with shell fixed card buckle.
It is further used as the improvement of technical solution of the present invention, and the tail end of needle bar fixed link is equipped with the trigger shaft to extend back.
It is further used as the improvement of technical solution of the present invention, the tail end of needle bar fixed link support plate with outward extension.
It is further used as the improvement of technical solution of the present invention, and the upper end of shell is narrowed to top, and the needle bar fixed link motion guide rail of guiding needle bar fixed link sliding is additionally provided in shell.
It is further used as the improvement of technical solution of the present invention, and housing tip extends that be equipped with can be to extending out the skin tensioner stretched.
Beneficial effects of the present invention: blood taking needle is immobilized in the shell by this safety type blood collecting needle construction, it can avoid unreasonable exposure of the blood taking needle when being not used, needle bar fixed link tail portion is triggered by external force when blood taking needle uses, needle bar fixed link is skidded off from locating piece, and then push blood taking needle, or easy breach is disconnected, blood taking needle can be pushed to pass through needle outlet, and blood was collected, the purpose that this safety blood taking needle cooperates different structures to can reach one-handed performance and/or use with mating blood collecting pen, and effectively ensure blood sampling safe operation.
This safety type blood collecting needle construction has the tie point, bending part and bayonet unit of easy breach by setting, can disposably complete injection molding or injection molding, reach integrally formed.After the completion of injection molding, only need simple bending and pressing that the assembling of product can be completed.
Power is external, and mating blood collecting pen is reusable by will fire for this safety blood taking needle,
To save material and meet the requirement of environmental protection, hence it is evident that mitigate medical institutions and patient's financial burden.
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is first embodiment of the invention overall structure diagram；
Fig. 2 is second embodiment of the invention overall structure diagram；
Fig. 3 is third embodiment of the invention overall structure diagram；
Fig. 4 is manufacturing process schematic diagram of the embodiment of the present invention；
Fig. 5 is outline structure schematic diagram of the embodiment of the present invention.
Referring to Fig.1~Fig. 5, the present invention is a kind of safety type blood collecting needle construction, including shell 1, the needle bar fixed link 2 in the shell 1 and the fixed blood taking needle 8 for being located at needle bar fixed link 2, the shell 1 is equipped with needle outlet 11, and the locating piece 4 of fixed needle bar fixed link 2 is equipped between needle bar fixed link 2 and shell 1 or has the tie point of easy breach 12.
Blood taking needle 8 is fixed in shell 1 by this safety type blood collecting needle construction, it can avoid unreasonable exposure of the blood taking needle when being not used, needle bar fixed link 2 is triggered by external force when blood taking needle 8 uses, needle bar fixed link 2 is skidded off from locating piece, and then push blood taking needle 8, or easy breach 12 is disconnected, blood taking needle 8 can be pushed to pass through needle outlet 11, and blood was collected, the purpose that this safety blood taking needle cooperates different structures to can reach one-handed performance and/or use with mating blood collecting pen can effectively ensure the operation of safety blood taking.
As a preferred embodiment of the present invention, blood taking needle 8 is acicular sharp object, can also be using the sharp object of the other shapes such as blade.
As a preferred embodiment of the present invention, needle bar fixed link 2, which extends forward, is equipped with package needle
The needle point of point protects stick 23.
As a preferred embodiment of the present invention, the junction of needle point protection stick 23 and needle bar fixed link 2 is equipped with portion 24 easy to crack.
The setting of needle point protection stick 23 can avoid needle point and be exposed to the external world before use, and rotation falls off when use, can ensure sterilization effect.The setting in portion 24 easy to crack can facilitate rotation fall off needle point protection stick 23, reach needle point protection stick 23 separated with needle bar fixed link 2.
As a preferred embodiment of the present invention, needle bar fixed link 2 extends outwardly equipped with the limiting device 21 positioned at 2 two sides of needle bar fixed link, the interior resetting apparatus for being equipped with cooperation limiting device 21 and making the reset of needle bar fixed link 2 of shell 1.
As a preferred embodiment of the present invention, the maximum width of limiting device 21 is greater than the maximum width that hole is formed after needle bar fixed link falls off.In this way, limiting device 21 both can control the thorn of blood taking needle 8 on triggering to go out length, to guarantee that blood taking needle 8 can rationally take a blood sample after piercing out, deviate from shell 1 from rear portion after the completion of blood sampling prevented also from blood taking needle 8, without damaging to person of blood collecting, operator and scrap concrete person.
Meanwhile after the completion of blood sampling, resetting apparatus cooperation limiting device 21 may make blood taking needle 8 to return in shell 1, and avoid cleaning trouble, and the injury to operator and patient.
As a preferred embodiment of the present invention, resetting apparatus is that shell 1 extends internally and forms and to the elastic rod 3 of 1 bottom angled of shell.
Under the setting form of such resetting apparatus, during blood taking needle 8 pierces out, elastic rod 3 is compressed, and is pierced out after blood was collected in place in blood taking needle 8, and elastic rod 3 replys original state under its own elastic reaction, is able to achieve the perfect of blood taking needle 8 and is resetted.
There are many ways of realization for the setting of resetting apparatus, can be by being arranged in needle bar fixed link 2
Independent reset components can also be arranged in shell 1 to realize the reset function of blood taking needle 8 in the associate members such as spring.
As a preferred embodiment of the present invention, 11 two sides of needle outlet are located on shell 1 to extend equipped with shutoff damper, the maximum width on 2 top of needle bar fixed link is greater than the maximum width of needle outlet 11.
Shutoff damper is to be set to needle outlet two sides, and 1 private side of shell be horizontal baffle, shutoff damper blood taking needle transmitting blood was collected when, blood taking needle by needle outlet 11 emit after, the front end that needle bar fixed link 2 can be blocked by shutoff damper, prevents the syringe needle of blood taking needle 8 excessively exposed.
The top of shutoff damper and needle bar fixed link 2 can be the annulus and cylinder of mutually matched different-diameter, and preferably the internal diameter of needle outlet 11 is less than the outer diameter of needle bar fixed link 2, and shutoff damper is at least provided with one group.
Shutoff damper is preferably one group, the shell 1 on 11 periphery of needle outlet and the front of needle bar fixed link 2 are set, also any part in shell 1, needle bar fixed link 2 can be set, can also be that the various devices for limiting the displacement of needle bar fixed link between shell 1 and needle bar fixed link 2 are arranged in internal part and/or external components alone or in combination.
The setting of shutoff damper can limit the maximum displacement of needle bar fixed link 2 well, control paracentesis depth, prevent syringe needle excessively exposed.
As a preferred embodiment of the present invention, the locating piece 4 of fixed needle bar fixed link 2 is equipped between the needle bar fixed link 2 and shell 1.Locating piece 4 can be mutually matched positioning protrusion 41 and positioning groove 42, and particularly, locating piece 4 is mutually matched hemispherical protuberances and hemispherical recess.Locating piece 4 is preferably two groups, is symmetrical set.The setting of locating piece 4 can
To play the role of fixed needle bar fixed link 2 when needle bar fixed link 2 and shell 1 are separately positioned, the state before firing of needle bar fixed link 2 is kept.
As a preferred embodiment of the present invention, resetting block 5 is equipped with positioned at the two sides of needle bar fixed link 2 in shell 1, each resetting block 5 is equipped with arc groove 51, the two sides of needle bar fixed link 2 extend the protrusion 52 for being equipped with and being caught in arc groove 51 when needle bar fixed link 2 resets, and arc groove 51 is equipped with the notch 53 that protrusion 52 can be imported to arc groove 51.
Blood taking needle 8 is resetted under the action of resetting apparatus, the setting of resetting block 5 effectively can carry out reset limit to needle bar fixed link 2, to prevent needle bar fixed link 2 from resetting excessively, in the reseting procedure of needle bar fixed link 2, in the embeddable arc groove 51 of protrusion 52 of 2 two sides of needle bar fixed link, the setting of notch 53 can reduce blocking of the resetting block 5 to the protrusion 52 of 2 two sides of needle bar fixed link, to facilitate protrusion 52 to slide into arc groove 51.The setting of resetting block 5 can also be played the role of similar or comprising locating piece when needle bar fixed link 2 and shell 1 are separately positioned, that is, play the role of fixed needle bar fixed link 2, keep the state before firing of needle bar fixed link 2.
As a preferred embodiment of the present invention, the tie point for having easy breach 12 is equipped between the needle bar fixed link and shell.The setting of tie point can make needle bar fixed link and shell integral production, while needle bar fixed link 2 is fixed, keep the state before firing of needle bar fixed link 2.Easy breach 12 is arranged on tie point only to need seldom strength that needle bar fixed link 2 can be made to separate with shell 1 when in use, trigger blood taking needle.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2, which extends to be equipped with, resets folder 22, and reset folder 22 is monosymmetric buckle bar 221, and each bar 221 that buckles is equipped with the buckle 222 towards inside.
As a preferred embodiment of the present invention, the bottom of shell 1 is needle stand, and the tail end of needle bar fixed link 2 is fixed on needle stand, and needle stand is equipped with the thickness bending mouth 15 thin compared with adjacent parts.As preferred embodiment, bending mouth 15 is arranged in the two sides of needle stand, it is possible thereby to more convenient assembling.Bending mouth 15 may also be arranged on other positions on shell at least provided with one.
The setting of bending mouth 15, can facilitate this blood sampling needle construction realize it is disposable complete injection molding perhaps injection molding after the completion of injection molding or injection molding, it is only necessary to the assembling of safety blood taking needle product can be completed in simple bending or pressing.
As a preferred embodiment of the present invention, extend positioned at the tail end of shell 1 be equipped with the matched adjutage 6 of 1 tail end of shell, detent 61 of loading is equipped in adjutage 6, the detent 61 of loading of at least one is equipped in adjutage 6.As preferred embodiment, at least a pair of symmetrical detent 61 of loading is equipped in each adjutage 6.
As a preferred embodiment of the present invention, the bottom opening of adjutage 6, the tail end positioned at adjutage 6 are equipped with the compound lock 62 that compound lock hole is fixed on cooperation blood collecting pen.
As a preferred embodiment of the present invention, compound lock 62 is symmetrically arranged two convex blocks in adjutage 6, and each convex block is one of taper, semicircle, trapezoidal, is also possible to other shapes.
This safety type blood collecting needle construction can cooperate blood collecting pen to use, at this time, the reset folder 22 of 2 tail end of needle bar fixed link setting can be fixed with the cooperation of peen end is fired on blood collecting pen, after completing blood sampling by blood collecting pen, during blood collecting pen is withdrawn, it can be replied in the case where blood collecting pen withdraws active force with the needle bar fixed link 2 for firing peen end secure fit on blood collecting pen.
During being that blood collecting pen is used cooperatively, detent of loading 61 and compound lock 62 can preferably realize being fixedly connected between blood collecting pen, to guarantee better connection effect.
Detent 61 of loading is equipped in adjutage 6, at least provided with one, preferably two, two sides are symmetrically placed, in the strip bulk device of traverse, are used cooperatively with the device that loads of specified blood collecting pen.For blood taking needle 8 in conjunction with specified blood collecting pen during push compound slide bar rearward displacement, achieve the purpose that load.After the completion of blood taking needle is in conjunction with specified blood collecting pen, maintains compound slide bar in corresponding position, keep state of loading.Blood collecting pen is pushed away forward by the compound slide bar push rod that will load under the thrust that bullet unloads spring when bullet is unloaded.Detent of loading 61 can also use semicircle, trapezoidal or other shapes, modes of emplacement can also using place vertically, tiltedly put, it is asymmetric placement etc. other modes of emplacement.
Compound lock 62 is equipped in this safety blood taking needle, at least provided with one, preferably two groups of taper bulk devices are used cooperatively in up and down, symmetrically placing on adjutage 6 with the compound lock hole of specified blood collecting pen.When in conjunction with compound lock hole, as clamping device, an inward pressure is formed, blood taking needle and pen body are closely joined together.Cooperate with compound lock hole, achievees the purpose that keep loading state after bonding simultaneously and bullet unloads state.Cooperate with compound lock hole, achievees the purpose that bullet is kept to unload state after firing.Compound lock 62 can also use semicircle, trapezoidal or other shapes, modes of emplacement can also using place vertically, tiltedly put, it is asymmetric placement etc. other modes of emplacement.
As a preferred embodiment of the present invention, extend positioned at the outside of shell 1 and be equipped with shell fixed card buckle 7.Shell fixed card buckle 7 can be mutually matched padlock hook and padlock slot, and particularly, shell fixed card buckle 7 is mutually matched strip and block padlock barb and strip and block padlock groove.Shell fixed card buckle 7 is preferably two groups, is symmetrical set.The setting of shell fixed card buckle 7 can take a blood sample needle construction when being assembled, and shell 1 is closely linked, and play the role of fixed shell 1, and shell 1 is kept to be in closed bonding state.Shell fixed card buckle 7
It can be placed between 1 inside of shell, shell 1 and needle stand.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2 is equipped with the trigger shaft to extend back.It is preferably cylindrical, facilitate manpower pressing and blood collecting pen percussion hammering hair, is also possible to other shapes.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2 support plate with outward extension.Preferably two sides are arranged, as percussion fulcrum when facilitating operator's one-handed performance.
As a preferred embodiment of the present invention, the upper end of shell 1 is narrowed to top, and the needle bar fixed link motion guide rail that guiding needle bar fixed link 2 is slided is additionally provided in shell 1.
This safety type blood collecting needle construction is by setting trigger shaft and support plate, it can be achieved that the singlehanded percussion to blood taking needle.It can also reach more preferably blood sampling effect by setting adjutage 6, compound lock 62 and detent 61 of loading with the cooperation of specified blood collecting pen, it is general more preferably to can reach both singlehanded, blood collecting pens.
As a preferred embodiment of the present invention, 1 top of shell extends that be equipped with can be to extending out the skin tensioner stretched.
Skin tensioner is located at the outside on 1 top of shell, and blood taking needle is in use, 1 top of shell is acted against on human skin, then skin tensioner is pressed to both sides deformation expansion, can tighten the skin of blood sampling site.The setting of skin tensioner can enable needle point more successfully puncture the feeling of pain for mitigating patient when needle pierces into tissue.
The device of the invention, structure is simple, component is few, assembling is easy, high reliablity, and use is safe.Material is saved by designs such as external power, reduces process to reduce production cost, hence it is evident that mitigates medical institutions and patient's financial burden.
Certainly, the invention is not limited to above embodiment, is familiar with the technology of this field
Personnel can also make equivalent deformation or replacement on the premise of without prejudice to spirit of the invention, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (15)
- A kind of safety type blood collecting needle construction, it is characterized by comprising shell, positioned at the intracorporal needle bar fixed link of the shell and it is fixed on the blood taking needle of needle bar fixed link, the shell is equipped with needle outlet, and the locating piece of fixed needle bar fixed link is equipped between the needle bar fixed link and shell or has the tie point of easy breach.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: the needle bar fixed link extends outwardly equipped with the limiting device positioned at needle bar fixed link two sides, the interior resetting apparatus for being equipped with cooperation limiting device and making the reset of needle bar fixed link of the shell.
- Safety type blood collecting needle construction according to claim 2, it is characterised in that: the resetting apparatus is that shell extends internally and forms and to the inclined elastic rod of housing bottom.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: be located at needle outlet two sides on the shell and be equipped with shutoff damper, the maximum width on needle bar fixed link top is greater than the maximum width of needle outlet.
- Safety type blood collecting needle construction according to claim 1, it is characterized by: being equipped with resetting block positioned at the two sides of needle bar fixed link in the shell, each resetting block is equipped with arc groove, the two sides of the needle bar fixed link extend the protrusion for being equipped with and being caught in arc groove when needle bar fixed link resets, and the arc groove is equipped with the notch that protrusion can be imported to arc groove.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: the tail end of the needle bar fixed link, which extends to be equipped with, resets folder, and the reset folder is monosymmetric buckle bar, and each buckle bar is equipped with the buckle towards inside.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: described The bottom of shell is needle stand, and the tail end of the needle bar fixed link is fixed on needle stand, and the needle stand is equipped with bending mouth.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: extend positioned at the tail end of the shell be equipped with the matched adjutage of shell tail end, detent of loading is equipped in the adjutage, is equipped at least one detent of loading in the adjutage.
- Safety type blood collecting needle construction according to claim 8, it is characterised in that: the bottom opening of the adjutage, the tail end positioned at the adjutage are equipped with the compound lock that compound lock hole is fixed on cooperation blood collecting pen.
- Safety type blood collecting needle construction according to claim 9, it is characterised in that: the compound lock is symmetrically arranged two convex blocks in adjutage.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: extend positioned at the outside of the shell and be equipped with shell fixed card buckle.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: the tail end of the needle bar fixed link is equipped with the trigger shaft to extend back.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: the tail end support plate with outward extension of the needle bar fixed link.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: the upper end of the shell is narrowed to top, and the needle bar fixed link motion guide rail of guiding needle bar fixed link sliding is additionally provided in the shell.
- Safety type blood collecting needle construction according to claim 1, it is characterised in that: the housing tip extends that be equipped with can be to extending out the skin tensioner stretched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369059.3A CN112155563A (en) | 2015-01-20 | 2015-11-12 | Safe blood taking needle structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015100261453 | 2015-01-20 | ||
| CN201510026145 | 2015-01-20 | ||
| PCT/CN2015/094498 WO2016115941A1 (en) | 2015-01-20 | 2015-11-12 | Safe blood lancet structure |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010369059.3A Division CN112155563A (en) | 2015-01-20 | 2015-11-12 | Safe blood taking needle structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107405119A true CN107405119A (en) | 2017-11-28 |
| CN107405119B CN107405119B (en) | 2020-06-16 |
Family
ID=56176006
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010369059.3A Pending CN112155563A (en) | 2015-01-20 | 2015-11-12 | Safe blood taking needle structure |
| CN201580061977.7A Active CN107405119B (en) | 2015-01-20 | 2015-11-12 | Safe blood taking needle structure |
| CN201610026606.1A Active CN105640571B (en) | 2015-01-20 | 2016-01-17 | A kind of safety type blood collecting needle construction |
| CN201620038796.4U Expired - Fee Related CN205338962U (en) | 2015-01-20 | 2016-01-17 | Safe blood -taking -needle structure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010369059.3A Pending CN112155563A (en) | 2015-01-20 | 2015-11-12 | Safe blood taking needle structure |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610026606.1A Active CN105640571B (en) | 2015-01-20 | 2016-01-17 | A kind of safety type blood collecting needle construction |
| CN201620038796.4U Expired - Fee Related CN205338962U (en) | 2015-01-20 | 2016-01-17 | Safe blood -taking -needle structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (4) | CN112155563A (en) |
| WO (1) | WO2016115941A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115941A1 (en) * | 2015-01-20 | 2016-07-28 | 胡绍勤 | Safe blood lancet structure |
| CN107320143B (en) * | 2017-07-02 | 2018-08-14 | 常州瑞索斯医疗设备有限公司 | A kind of surgery needle holder with protective device |
| CN107703289A (en) * | 2017-10-30 | 2018-02-16 | 株洲市三三医院 | A kind of instant blood testing test strips and its paper box |
| CN110226937B (en) * | 2019-07-13 | 2024-02-20 | 淮安易捷科技有限公司 | Blood sampling pen convenient to assembly |
| CN112168183A (en) * | 2020-10-27 | 2021-01-05 | 王�华 | Portable blood sampling device for glucometer |
| CN112515670B (en) * | 2021-01-29 | 2022-08-02 | 张哲� | A distinguish detection device for diabetic nephropathy |
| CN113647994A (en) * | 2021-08-24 | 2021-11-16 | 四川大学华西医院 | Auxiliary device for lung cancer methylation inspection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525837A (en) * | 2001-07-11 | 2004-09-01 | ������������ʽ���� | Lancet and piercing device |
| US20120089050A1 (en) * | 2008-06-05 | 2012-04-12 | Lightnix, Inc | Puncture needle cartridge and puncture device |
| CN202218877U (en) * | 2011-09-06 | 2012-05-16 | 苏州乔阳医学科技有限公司 | Back-pressing type disposable safety blood taking needle |
| CN203354551U (en) * | 2013-07-31 | 2013-12-25 | 柳新荣 | Disposal blood sampler |
| CN103549964A (en) * | 2013-11-15 | 2014-02-05 | 柳新荣 | Disposable hemostix |
| CN104856698A (en) * | 2014-05-21 | 2015-08-26 | 胡绍勤 | Safety type blood collection needle structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4250699B2 (en) * | 1998-12-16 | 2009-04-08 | アークレイ株式会社 | A lancet device that can safely remove the lancet |
| KR200236159Y1 (en) * | 1999-04-24 | 2001-09-25 | 이춘발 | Aaaaa |
| EP1396226B1 (en) * | 2001-06-11 | 2013-08-21 | ARKRAY, Inc. | Measuring apparatus comprising a puncturing element integration mounting body |
| CN1313053C (en) * | 2004-09-15 | 2007-05-02 | 施迎敢 | Needle tip drawing back type disposable safety blood taking needle and disposable ejection type safety blood taking pen |
| CN1961828B (en) * | 2005-11-11 | 2011-07-27 | 上海宝尔生贸易有限公司分公司 | Pen cap type blood taking needle |
| CN201481428U (en) * | 2009-08-10 | 2010-05-26 | 柳新荣 | Disposable blood sampling device |
| CN202497154U (en) * | 2012-03-28 | 2012-10-24 | 浙江大学 | Disposable blood collecting device with precompiled two-dimensional bar code |
| WO2016115941A1 (en) * | 2015-01-20 | 2016-07-28 | 胡绍勤 | Safe blood lancet structure |
-
2015
- 2015-11-12 WO PCT/CN2015/094498 patent/WO2016115941A1/en active Application Filing
- 2015-11-12 CN CN202010369059.3A patent/CN112155563A/en active Pending
- 2015-11-12 CN CN201580061977.7A patent/CN107405119B/en active Active
-
2016
- 2016-01-17 CN CN201610026606.1A patent/CN105640571B/en active Active
- 2016-01-17 CN CN201620038796.4U patent/CN205338962U/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525837A (en) * | 2001-07-11 | 2004-09-01 | ������������ʽ���� | Lancet and piercing device |
| US20120089050A1 (en) * | 2008-06-05 | 2012-04-12 | Lightnix, Inc | Puncture needle cartridge and puncture device |
| CN202218877U (en) * | 2011-09-06 | 2012-05-16 | 苏州乔阳医学科技有限公司 | Back-pressing type disposable safety blood taking needle |
| CN203354551U (en) * | 2013-07-31 | 2013-12-25 | 柳新荣 | Disposal blood sampler |
| CN103549964A (en) * | 2013-11-15 | 2014-02-05 | 柳新荣 | Disposable hemostix |
| CN104856698A (en) * | 2014-05-21 | 2015-08-26 | 胡绍勤 | Safety type blood collection needle structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016115941A1 (en) | 2016-07-28 |
| CN107405119B (en) | 2020-06-16 |
| CN112155563A (en) | 2021-01-01 |
| CN105640571B (en) | 2019-03-26 |
| CN205338962U (en) | 2016-06-29 |
| CN105640571A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105640571B (en) | A kind of safety type blood collecting needle construction | |
| CN104856698B (en) | A kind of safety type blood collecting needle construction | |
| CN105496425B (en) | A kind of safety type blood collecting needle construction | |
| WO2018214993A1 (en) | Contact pressure-type disposable blood collection device provided with spring guide structure | |
| CA2895920A1 (en) | Cannula-needle with protective member | |
| CN103006240B (en) | Safe and convenient and fast type disposable blood collection needle with double-surface cover cap | |
| CN105640572B (en) | A kind of safety type blood collecting needle construction | |
| CN203609428U (en) | Disposable hemostix | |
| CN205549127U (en) | Puncture needle protection device | |
| CN104225728A (en) | Insulin injection needle collection box | |
| CN103549964A (en) | Disposable hemostix | |
| CN206403783U (en) | Safe artery hemostix | |
| CN207627691U (en) | Safety syringe needle | |
| CN208274789U (en) | A kind of scalp acupuncture that antisitic defect is fixed easily | |
| CN205494394U (en) | Little needle sword of ring formula | |
| CN204121537U (en) | A kind of injection of insulin syringe needle disposable box | |
| CN215995077U (en) | Insulin injection pen storage device | |
| CN203898528U (en) | A hand restraining sleeve | |
| CN205515031U (en) | Animal skin is auxiliary device of injection down | |
| CN204618301U (en) | For extracting the disposable wearing pricker of the one-handed performance of superficial tissue organ cell | |
| CN212788500U (en) | Blood taking needle | |
| CN221205697U (en) | Prevent stabbing medical sharp ware collection device and sharp ware collection box | |
| CN210077671U (en) | Safe-to-use blood drawing needle | |
| CN208464090U (en) | A kind of disposable safe tip hemostix of push type | |
| CN206446981U (en) | A kind of muscular fibre sample conservator |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| OL01 | Intention to license declared |