CN108523904A - A kind of disposable artery and vein puncture blood taking needle and its protective device - Google Patents
A kind of disposable artery and vein puncture blood taking needle and its protective device Download PDFInfo
- Publication number
- CN108523904A CN108523904A CN201810725900.0A CN201810725900A CN108523904A CN 108523904 A CN108523904 A CN 108523904A CN 201810725900 A CN201810725900 A CN 201810725900A CN 108523904 A CN108523904 A CN 108523904A
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- Prior art keywords
- hose
- cylinder
- fixing pipe
- blood
- taking needle
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- 239000008280 blood Substances 0.000 title claims abstract description 76
- 210000004369 blood Anatomy 0.000 title claims abstract description 76
- 210000001367 artery Anatomy 0.000 title claims abstract description 31
- 210000003462 vein Anatomy 0.000 title claims abstract description 31
- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 238000010241 blood sampling Methods 0.000 claims abstract description 35
- 238000005452 bending Methods 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims description 71
- 229920003023 plastic Polymers 0.000 claims description 71
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 24
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 24
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- 229920001617 Vinyon Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000007689 inspection Methods 0.000 abstract description 18
- 208000015181 infectious disease Diseases 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 7
- 230000002792 vascular Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000001631 haemodialysis Methods 0.000 description 4
- 230000000322 hemodialysis Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- NFGXHKASABOEEW-UHFFFAOYSA-N 1-methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate Chemical compound COC(C)(C)CCCC(C)CC=CC(C)=CC(=O)OC(C)C NFGXHKASABOEEW-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000243 solution Substances 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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
-
- 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
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
-
- 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
- A61B5/150541—Breakable protectors, e.g. caps, shields or sleeves, i.e. protectors separated destructively, e.g. by breaking a connecting area
-
- 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
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)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of disposable artery and vein puncture blood taking needle and its protective devices, including puncture portion, blood sampling portion and hose, and the puncture portion is connected with one end of hose, and the other end of hose is removably connected with connector.The present invention, blood sampling speed can be promoted, effectively improve the working efficiency of medical staff, when needing replacing the test tube for storing inspection blood sample, bending pressing plate and support plate can be pinched with finger, so that briquetting is inserted into cylindrical type groove and flattens hose, so that hose is blocked, it can prevent the loss of blood of patient, to reduce the dosage of blood samples of patients, used hollow contact pin can be assigned into the inside of slot, two flake handles are assigned into the inside of card slot, it is using fixture block cooperation card hole that the portion that punctures is stuck in the inside of cylinder, hollow contact pin can be prevented to be pulled out, hollow contact pin can be effectively prevent to stab medical staff, it avoids causing medical staff that infection phenomenons occur due to being stabbed by hollow contact pin.
Description
Technical field
The present invention relates to the field of medical instrument technology, more specifically, it relates to a kind of disposable artery and vein puncture blood sampling
Needle and its protective device.
Background technology
The blood of hemodialysis section office acquisition at present is that disposable 5ML syringes connect diacan blood sampling, due to blood sampling
Speed is slow, seriously affects the working efficiency of medical staff, when acquiring the blood of patient, need to return trocar tip again by blood syringe
Into the test tube of inspection blood sample, medical staff is often because being accidentally needled wound.Hemodialysis patients inspection item is more, needs multiple examinations
Pipe, acquisition blood is more, and (20ML syringe needle points are excessively thick, and big, Yi Zao is damaged to test tube apron for the primary deficiency of 5ML syringes acquisition
At leakage blood), it need to acquire again, be easy to cause the loss of blood of patient so that the dosage of blood samples of patients increased.It is existing to face
Bed disposable blood taking needle does not have protective device, and during the use of hemodialysis section office, so as to cause part, medical staff stabs
Infection phenomenons, for this purpose, a kind of disposable artery and vein puncture blood taking needle of proposition and its protective device.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of disposable artery and vein puncture blood taking needle
And its protective device, blood sampling work can be conveniently accomplished by being matched by puncture portion and blood sampling portion, to promote blood sampling speed, be had
Effect improves the working efficiency of medical staff, and hose is inserted into the inside of cylindrical type straight slot, when acquiring the blood of patient, is needing
When replacing the test tube for storing inspection blood sample, bending pressing plate and support plate can be pinched with finger so that briquetting is inserted into cylindrical type
Groove flattens hose, so that hose is blocked, can prevent the loss of blood of patient, to reduce the dosage of blood samples of patients,
Two flake handles are assigned into the inside of card slot by the inside that used hollow contact pin can be assigned into slot, are utilized
Fixture block coordinates card hole hollow contact pin can be prevented to be pulled out in the inside of cylinder by the portion that punctures is stuck, can effectively prevent hollow insert
Needle stabs medical staff, avoids causing medical staff that infection phenomenons occur due to being stabbed by hollow contact pin.
To achieve the above object, the present invention provides following technical solutions：
A kind of disposable artery and vein puncture blood taking needle, including puncture portion, blood sampling portion and hose, the puncture portion and hose
One end is connected, and the other end of hose is removably connected with connector, and the connector is connected with blood sampling portion；
The puncture portion includes the first plastics fixing pipe that one end is plugged on inside hose one end, and first plastics are fixed
Hollow contact pin, and the outer symmetrical of the first plastics fixing pipe are packaged with by polytetrafluoroethylene (PTFE) block inside the one end of pipe far from hose
If there are two flake handle, card hole is offered on two flake handles；
The blood sampling portion includes the second plastics fixing pipe that one end is plugged on inside connector, the second plastics fixing pipe
The other end be fixed with connecting tube, the one end of the connecting tube far from the second plastics fixing pipe is connected with plastic spike.
By using above-mentioned technical proposal, the artery and vein vascular that hollow contact pin is used to puncture patient is drawn blood, two pieces
Card hole on shape handle is used to be mutually clamped with fixture block, and then the portion that punctures is stuck in the inside of protection portion, in can effectivelying prevent
Empty contact pin stabs medical staff, avoids causing medical staff that infection phenomenons occur because being stabbed by hollow contact pin, blood sampling portion is used for
The blood of patient is introduced into the test tube interior for inspection, blood sampling work can be conveniently accomplished by being matched by puncture portion and blood sampling portion
Make.
Further, it is choke, the necking that the first plastics fixing pipe, which is plugged on the end inside hose one end,
The outside in portion is equidistant to be equipped with several flange collars, and is integrally formed with baffle ring on choke between flange collar and flake handle.
By using above-mentioned technical proposal, flange collar has preferable anti-skidding effect, and the first plastics fixing pipe can be prevented from soft
The end of pipe falls off, while flange collar can increase the sealing performance between choke and hose inner wall, can prevent the first plastics from fixing
Pipe and the leakage of hose junction, baffle ring are used to limit the length that the first plastics fixing pipe is inserted into hose end portion.
Further, the diameter of the flange collar is less than the diameter of baffle ring.
By using above-mentioned technical proposal, it is ensured that the side of hose end and baffle ring is inconsistent, to ensure baffle ring
The restriction effect of the length of hose end portion is inserted into the first plastics fixing pipe.
Further, one end end edge of the connecting tube far from the second plastics fixing pipe is rounding corner structure, described
One end end edge of the plastic spike far from connecting tube is rounding corner structure.
By using above-mentioned technical proposal, one end end edge and modeling of the connecting tube far from the second plastics fixing pipe can be reduced
Impact force when one end end edge of the material pin head far from connecting tube is collided with the test tube mouth for being used to store inspection blood sample, to keep away
Pipe of being excused from an examination is broken.
Further, the outer symmetrical of the second plastics fixing pipe is set there are two block.
By using above-mentioned technical proposal, two blocks are used to limit the length that the second plastics fixing pipe is inserted into inside connector
Degree.
Further, the outside of the hose is further sleeved with clamping part, and the clamping part includes curved splint, the arc
One end of clamping plate is connected with pressing plate, and the other end of curved splint is connected with support plate, and the support plate is close to the side of pressing plate
Convex block is installed between two parties, the inside of the convex block offers the cylindrical type straight slot parallel with support plate, and convex block is close on face
The cylindrical type groove being connected with cylindrical type straight slot is offered on the one side of pressing plate between two parties, the pressing plate is close to the side of convex block
The briquetting of cylindrical type groove can be stretched by being fixed on face, and the one end of pressing plate far from curved splint is connected with bending pressing plate.
By using above-mentioned technical proposal, hose is inserted into the inside of cylindrical type straight slot, when acquiring the blood of patient,
When needing replacing the test tube for storing inspection blood sample, bending pressing plate and support plate can be pinched with finger so that briquetting is inserted into circle
Column type groove flattens hose, so that hose is blocked, the loss of blood of patient can be prevented, to reduce the use of blood samples of patients
Amount.
Further, the lateral surface of the polytetrafluoroethylene (PTFE) block extends to the outside of the first plastics fixing pipe, and polytetrafluoro
The lateral surface of ethylene block is globoidal structure.
By using above-mentioned technical proposal, when can prevent hollow contact pin from puncturing the artery and vein vascular of patient, polytetrafluoroethylene (PTFE)
The lateral surface of block scratches the skin of patient.
The present invention also proposes a kind of protective device of disposable artery and vein puncture blood taking needle, including is sleeved on outside the hose
The casing in portion is integrally formed with hinged ear on the lateral surface of described sleeve pipe, and the inside of the hinged ear is hinged with connection by axis pin
Band, the one end of the connect band far from hinged ear are fixedly connected with protection portion；
The protection portion includes being fixedly connected on cylinder of the connect band far from hinged ear one end, one end of the cylinder
Card slot is offered on face, and the inside of cylinder offers slot, the inside of the cylinder by the center position of card slot
Symmetrically inlay that there are two elastic holding sections with the roof intersection of card slot；
The elasticity holding section includes the fixed cylinder being embedded in inside cylinder, and the both ends of the cylinder are closing knot
Structure, and cylinder is internally provided with spring, square slider and fixture block, the upper end of the spring and the inner roof wall of cylinder are inconsistent, and
The bottom end of spring and the top of square slider are inconsistent, and the bottom of the square slider is fixedly connected with the top of fixture block, described
The bottom of fixture block extends to the inside of card slot through the bottom wall of cylinder, and the bottom of fixture block and the bottom wall of card slot are inconsistent, described
The bottom of fixture block is equipped with the inclined-plane faced on the outside of card slot.
By using above-mentioned technical proposal, used hollow contact pin can be assigned into the inside of slot, by two
Flake handle assigns into the inside of card slot, using fixture block cooperation card hole that the portion that punctures is stuck in the inside of cylinder, in can preventing
Empty contact pin is pulled out, and hollow contact pin can be effectively prevent to stab medical staff, avoids causing medical staff because being stabbed by hollow contact pin
And infection phenomenons occur.
Further, the other end of the cylinder is arcuate structure.
By using above-mentioned technical proposal, it can prevent cylinder from scratching medical staff and patient.
Further, the cylinder is made of vinyon.
By using above-mentioned technical proposal, convenient for producing cylinder, while vinyon by way of injection molding
Have preferable corrosion resistance, the service life of cylinder can be increased.
In conclusion the present invention mainly has the advantages that：
1, of the invention, blood sampling work can be conveniently accomplished by being matched by puncture portion and blood sampling portion, to promote blood sampling speed
Degree, effectively improves the working efficiency of medical staff；
2, of the invention, hose is inserted into the inside of cylindrical type straight slot, when acquiring the blood of patient, is used for needing replacing
When storing the test tube of inspection blood sample, bending pressing plate and support plate can be pinched with finger so that briquetting is inserted into cylindrical type groove will be soft
Pipe flattens, so that hose is blocked, the loss of blood of patient can be prevented, to reduce the dosage of blood samples of patients；
3, of the invention, used hollow contact pin can be assigned into the inside of slot, two flake handles are assigned
In the inside of card slot, hollow contact pin can be prevented to be pulled out in the inside of cylinder by the portion that punctures is stuck using fixture block cooperation card hole,
Hollow contact pin can be effectively prevent to stab medical staff, avoid causing medical staff that infection occurs because being stabbed by hollow contact pin now
As being worthy to be popularized and popularizing.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the present invention；
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1；
Fig. 3 is the structural schematic diagram of the protection portion of one embodiment of the present invention；
Fig. 4 is the broken section structural schematic diagram of the protection portion of one embodiment of the present invention；
Fig. 5 is the schematic cross-sectional view of the elastic holding section of one embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the clamping part of one embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the convex block of one embodiment of the present invention.
In figure：1, puncture portion；2, clamping part；3, protection portion；4, blood sampling portion；5, the first plastics fixing pipe；6, polytetrafluoroethyl-ne
Alkene block；7, hollow contact pin；8, flake handle；9, card hole；10, hose；11, casing；12, hinged ear；13, connect band；14, it connects
Head；15, the second plastics fixing pipe；16, connecting tube；17, plastic spike；18, block；19, cylinder；20, slot；21, card slot；
22, fixture block；23, cylinder；24, elastic holding section；25, spring；26, square slider；27, choke；28, flange collar；29, baffle ring；
30, curved splint；31, briquetting；32, pressing plate；33, bending pressing plate；34, support plate；35, cylindrical type straight slot；36, convex block；37, circle
Column type groove.
Specific implementation mode
Embodiment 1：
Below in conjunction with attached drawing 1,2,6 and 7, invention is further described in detail.
A kind of disposable artery and vein puncture blood taking needle, as shown in Fig. 1,2,6 and 7, including puncture portion 1, blood sampling portion 4 and hose
10, the puncture portion 1 is connected with one end of hose 10, and the other end of hose 10 is removably connected with connector 14, described
Connector 14 is connected with blood sampling portion 4；
The puncture portion 1 is plugged on the first plastics fixing pipe 5 inside 10 one end of hose, first plastics including one end
Hollow contact pin 7, and the first plastics fixing pipe 5 are packaged with by polytetrafluoroethylene (PTFE) block 6 inside the one end of fixing pipe 5 far from hose 10
Outer symmetrical set there are two flake handle 8, offer card hole 9 on two flake handles 8；
The blood sampling portion 4 is plugged on the second plastics fixing pipe 15 inside connector 14, second plastics including one end
The other end of fixing pipe 15 is fixed with connecting tube 16, and the one end of the connecting tube 16 far from the second plastics fixing pipe 15 is connected with
Plastic spike 17.The artery and vein vascular that hollow contact pin 7 is used to puncture patient is drawn blood, and the card hole 9 on two flake handles 8 is used
It is mutually clamped in fixture block 22, and then puncture portion 1 is stuck in the inside of protection portion 3, hollow contact pin 7 can be effectively prevent to stab doctor
Shield personnel avoid causing medical staff that infection phenomenons occur because being stabbed by hollow contact pin 7, and blood sampling portion 4 is used for the blood of patient
Liquid introduces the test tube interior for inspection, and blood sampling work can be conveniently accomplished by being matched by puncture portion 1 and blood sampling portion 4.
Preferably, it is choke 27, the contracting that the first plastics fixing pipe 5, which is plugged on the end inside 10 one end of hose,
The outside of oral area 27 is equidistant to be equipped with several flange collars 28, and is integrally set between flange collar 28 and flake handle 8 on choke 27
There is baffle ring 29.Flange collar 28 has preferable anti-skidding effect, can prevent the first plastics fixing pipe 5 from falling off from the end of hose 10, together
When flange collar 28 can increase the sealing performance between 10 inner wall of choke 27 and hose, the first plastics fixing pipe 5 and hose can be prevented
10 junction leakages, baffle ring 29 are used to limit the length that the first plastics fixing pipe 5 is inserted into 10 inner end portion of hose.
Preferably, the diameter of the flange collar 28 is less than the diameter of baffle ring 29.It can ensure 10 end of hose and baffle ring 29
Side is inconsistent, to ensure restriction effect of the baffle ring 29 to the length of the first plastics fixing pipe 5 insertion 10 inner end portion of hose.
Preferably, one end end edge of the connecting tube 16 far from the second plastics fixing pipe 15 is rounding corner structure, institute
It is rounding corner structure to state one end end edge of the plastic spike 17 far from connecting tube 16.Connecting tube 16 can be reduced far from the second plastics
One end end edge of one end end edge and plastic spike 17 of fixing pipe 15 far from connecting tube 16 with for storing inspection blood
Impact force when the test tube mouth collision of sample, to avoid test tube broken.
Preferably, the outer symmetrical of the second plastics fixing pipe 15 is set, there are two blocks 18.Two blocks 18 are for limiting
Make the length that the second plastics fixing pipe 15 is inserted into inside connector 14.
Preferably, the outside of the hose 10 is further sleeved with clamping part 2, the clamping part 2 includes curved splint 30, described
One end of curved splint 30 is connected with pressing plate 32, and the other end of curved splint 30 is connected with support plate 34, the support plate 34
Convex block 36 is installed between two parties on the one side of pressing plate 32, the inside of the convex block 36 offers parallel with support plate 34
Cylindrical type straight slot 35, and convex block 36 offers the cylinder being connected with cylindrical type straight slot 35 between two parties on the one side of pressing plate 32
Type groove 37, the pressing plate 32 are fixed with the briquetting 31 that can stretch into cylindrical type groove 37 on the one side of convex block 36, and
The one end of pressing plate 32 far from curved splint 30 is connected with bending pressing plate 33.Hose 10 is inserted into the inside of cylindrical type straight slot 35,
When acquiring the blood of patient, when needing replacing the test tube for storing inspection blood sample, 33 He of bending pressing plate can be pinched with finger
Support plate 34 so that briquetting 31 is inserted into cylindrical type groove 37 and flattens hose 10, so that hose 10 is blocked, can prevent from suffering from
The loss of blood of person, to reduce the dosage of blood samples of patients.
Preferably, the lateral surface of the polytetrafluoroethylene (PTFE) block 6 extends to the outside of the first plastics fixing pipe 5, and polytetrafluoro
The lateral surface of ethylene block 6 is globoidal structure.When can prevent hollow contact pin 7 from puncturing the artery and vein vascular of patient, polytetrafluoroethylene (PTFE) block 6
Lateral surface scratch patient skin.
Embodiment 2
Below in conjunction with attached drawing 1-7, invention is further described in detail.
A kind of disposable artery and vein puncture blood taking needle, as shown in figs. 1-7, including puncture portion 1, blood sampling portion 4 and hose 10, institute
It states puncture portion 1 with one end of hose 10 to be connected, and the other end of hose 10 is removably connected with connector 14, the connector
14 are connected with blood sampling portion 4；
The puncture portion 1 is plugged on the first plastics fixing pipe 5 inside 10 one end of hose, first plastics including one end
Hollow contact pin 7, and the first plastics fixing pipe 5 are packaged with by polytetrafluoroethylene (PTFE) block 6 inside the one end of fixing pipe 5 far from hose 10
Outer symmetrical set there are two flake handle 8, offer card hole 9 on two flake handles 8；
The blood sampling portion 4 is plugged on the second plastics fixing pipe 15 inside connector 14, second plastics including one end
The other end of fixing pipe 15 is fixed with connecting tube 16, and the one end of the connecting tube 16 far from the second plastics fixing pipe 15 is connected with
Plastic spike 17.
By using above-mentioned technical proposal, the artery and vein vascular that hollow contact pin 7 is used to puncture patient is drawn blood, two pieces
Card hole 9 on shape handle 8 is used to be mutually clamped with fixture block 22, and then puncture portion 1 is stuck in the inside of protection portion 3, can be effective
It prevents hollow contact pin 7 from stabbing medical staff, avoids causing medical staff that infection phenomenons occur because being stabbed by hollow contact pin 7, adopt
Blood portion 4 is used to introducing the blood of patient into the test tube interior for being used for inspection, matches and can facilitate by puncture portion 1 and blood sampling portion 4
Completion take a blood sample work.
Preferably, it is choke 27, the contracting that the first plastics fixing pipe 5, which is plugged on the end inside 10 one end of hose,
The outside of oral area 27 is equidistant to be equipped with several flange collars 28, and is integrally set between flange collar 28 and flake handle 8 on choke 27
There is baffle ring 29.Flange collar 28 has preferable anti-skidding effect, can prevent the first plastics fixing pipe 5 from falling off from the end of hose 10, together
When flange collar 28 can increase the sealing performance between 10 inner wall of choke 27 and hose, the first plastics fixing pipe 5 and hose can be prevented
10 junction leakages, baffle ring 29 are used to limit the length that the first plastics fixing pipe 5 is inserted into 10 inner end portion of hose.
Preferably, the diameter of the flange collar 28 is less than the diameter of baffle ring 29.It can ensure 10 end of hose and baffle ring 29
Side is inconsistent, to ensure restriction effect of the baffle ring 29 to the length of the first plastics fixing pipe 5 insertion 10 inner end portion of hose.
Preferably, one end end edge of the connecting tube 16 far from the second plastics fixing pipe 15 is rounding corner structure, institute
It is rounding corner structure to state one end end edge of the plastic spike 17 far from connecting tube 16.Connecting tube 16 can be reduced far from the second plastics
One end end edge of one end end edge and plastic spike 17 of fixing pipe 15 far from connecting tube 16 with for storing inspection blood
Impact force when the test tube mouth collision of sample, to avoid test tube broken.
Preferably, the outer symmetrical of the second plastics fixing pipe 15 is set, there are two blocks 18.Two blocks 18 are for limiting
Make the length that the second plastics fixing pipe 15 is inserted into inside connector 14.
Preferably, the outside of the hose 10 is further sleeved with clamping part 2, the clamping part 2 includes curved splint 30, described
One end of curved splint 30 is connected with pressing plate 32, and the other end of curved splint 30 is connected with support plate 34, the support plate 34
Convex block 36 is installed between two parties on the one side of pressing plate 32, the inside of the convex block 36 offers parallel with support plate 34
Cylindrical type straight slot 35, and convex block 36 offers the cylinder being connected with cylindrical type straight slot 35 between two parties on the one side of pressing plate 32
Type groove 37, the pressing plate 32 are fixed with the briquetting 31 that can stretch into cylindrical type groove 37 on the one side of convex block 36, and
The one end of pressing plate 32 far from curved splint 30 is connected with bending pressing plate 33.Hose 10 is inserted into the inside of cylindrical type straight slot 35,
When acquiring the blood of patient, when needing replacing the test tube for storing inspection blood sample, 33 He of bending pressing plate can be pinched with finger
Support plate 34 so that briquetting 31 is inserted into cylindrical type groove 37 and flattens hose 10, so that hose 10 is blocked, can prevent from suffering from
The loss of blood of person, to reduce the dosage of blood samples of patients.
Preferably, the lateral surface of the polytetrafluoroethylene (PTFE) block 6 extends to the outside of the first plastics fixing pipe 5, and polytetrafluoro
The lateral surface of ethylene block 6 is globoidal structure.When can prevent hollow contact pin 7 from puncturing the artery and vein vascular of patient, polytetrafluoroethylene (PTFE) block 6
Lateral surface scratch patient skin.
The present invention also proposes a kind of protective device of disposable artery and vein puncture blood taking needle, including is sleeved on the hose 10
External casing 11 is integrally formed with hinged ear 12 on the lateral surface of described sleeve pipe 11, and the inside of the hinged ear 12 passes through axis pin
It is hinged with connect band 13, the one end of the connect band 13 far from hinged ear 12 is fixedly connected with protection portion 3；
The protection portion 3 includes being fixedly connected on cylinder 19 of the connect band 13 far from 12 one end of hinged ear, the cylinder
Card slot 21 is offered on the end face of body 19, and the inside of cylinder 19 offers slot by the center position of card slot 21
20, the inside of the cylinder 19 and the roof intersection of card slot 21 symmetrically inlay that there are two elastic holding sections 24；
The elasticity holding section 24 includes the fixed cylinder 23 being embedded in inside cylinder 19, and the both ends of the cylinder 23 are equal
For enclosed construction, and cylinder 23 is internally provided with spring 25, square slider 26 and fixture block 22, the upper end of the spring 25 and cylinder
23 inner roof wall is inconsistent, and the bottom end of spring 25 and the top of square slider 26 are inconsistent, the bottom of the square slider 26
It being fixedly connected with the top of fixture block 22, the bottom of the fixture block 22 extends to the inside of card slot 21 through the bottom wall of cylinder 23, and
The bottom of fixture block 22 and the bottom wall of card slot 21 are inconsistent, and the bottom of the fixture block 22 is equipped with the inclined-plane for facing 21 outside of card slot,
The inclined-plane plays guiding role, is conducive to the inside that two flake handles 8 are smoothly inserted into card slot 21, is inserted in two flake handles 8
After the inside for entering card slot 21, fixture block 22 is tightly stuck in the inside of card hole 9 under the action of spring 25, another due to fixture block 22
It is vertical plane on one side so that two flake handles 8 can not be pulled out from the inside of card slot 21, so as to which puncture portion 1 is stuck
In the inside of cylinder 19.The inside that used hollow contact pin 7 can be assigned into slot 20, by two flake handles 8
The inside for assigning into card slot 21 coordinates card hole 9 that puncture portion 1 is stuck in the inside of cylinder 19, in can preventing using fixture block 22
Empty contact pin 7 is pulled out, and hollow contact pin 7 can be effectively prevent to stab medical staff, avoids causing medical staff because being pierced by hollow contact pin 7
Hinder and infection phenomenons occur.
Preferably, the other end of the cylinder 19 is arcuate structure.Can prevent cylinder 19 scratch medical staff with
And patient.
Preferably, the cylinder 19 is made of vinyon.Convenient for producing cylinder by way of injection molding
19, while vinyon has preferable corrosion resistance, can increase the service life of cylinder 19.
The disposable artery and vein puncture blood taking needle same period in embodiment 1 and embodiment 2 uses feelings in Liang Ge hemodialysis section room
Condition is compared, as a result such as following table：
From upper table data analysis it is found that by the way that disposable artery and vein puncture blood taking needle is used cooperatively with its protective device,
It is possible to prevente effectively from the phenomenon that medical staff stabs infection by hollow contact pin 7.
Operation principle：The disposable artery and vein puncture blood taking needle, being matched by puncture portion 1 and blood sampling portion 4 can be convenient
It completes blood sampling work and effectively improves the working efficiency of medical staff to promote blood sampling speed；The insertion cylindrical type of hose 10 is led to
The inside of slot 35, when needing replacing the test tube for storing inspection blood sample, can be pinched when acquiring the blood of patient with finger
Bending pressing plate 33 and support plate 34 so that briquetting 31 is inserted into cylindrical type groove 37 and flattens hose 10, so that 10 quilt of hose
It blocks, the loss of blood of patient can be prevented, to reduce the dosage of blood samples of patients；Used hollow contact pin 7 can be assigned
In the inside of slot 20, two flake handles 8 are assigned into the inside of card slot 21, coordinate card hole 9 by puncture portion 1 using fixture block 22
It is stuck hollow contact pin 7 to be prevented to be pulled out in the inside of cylinder 19, hollow contact pin 7 can be effectively prevent to stab medical staff, kept away
Exempt to cause medical staff that infection phenomenons occur because being stabbed by hollow contact pin 7, inspection is used in use, plastic spike 17 is inserted into
Then hollow contact pin 7 is pierced into inside the artery and vein vascular of patient by the test tube interior of blood sample, the blood of patient is flowed by hose 10
Enter the test tube interior for inspection blood sample through plastic spike 17, when replacing the test tube for inspection blood sample, can be pinched with finger
Firmly bending pressing plate 33 and support plate 34 so that briquetting 31 is inserted into cylindrical type groove 37 and flattens hose 10, so that hose 10
It is blocked, the loss of blood of patient can be prevented, assigned into hollow contact pin 7 when blood sampling is completed with reducing the dosage of blood samples of patients
Two flake handles 8 are assigned into the inside of card slot 21 by the inside of slot 20, coordinate card hole 9 to block puncture portion 1 using fixture block 22
Extremely in the inside of cylinder 19, hollow contact pin 7 can be prevented to be pulled out, hollow contact pin 7 can be effectively prevent to stab medical staff, avoided
Cause medical staff that infection phenomenons occur due to being stabbed by hollow contact pin 7.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (10)
1. a kind of disposable artery and vein puncture blood taking needle, including puncture portion (1), blood sampling portion (4) and hose (10), feature exists
In：The puncture portion (1) is connected with one end of hose (10), and the other end of hose (10) is removably connected with connector
(14), the connector (14) is connected with blood sampling portion (4)；
The puncture portion (1) includes the first plastics fixing pipe (5) that one end is plugged on inside hose (10) one end, first modeling
Hollow contact pin (7), and first are packaged with by polytetrafluoroethylene (PTFE) block (6) inside the one end of material fixing pipe (5) far from hose (10)
The outer symmetrical of plastics fixing pipe (5) is set there are two flake handle (8), and card hole is offered on two flake handles (8)
(9)；
The blood sampling portion (4) includes that one end is plugged on the second internal plastics fixing pipe (15) of connector (14), second modeling
The other end of material fixing pipe (15) is fixed with connecting tube (16), the separate second plastics fixing pipe (15) of the connecting tube (16)
One end is connected with plastic spike (17).
2. a kind of disposable artery and vein puncture blood taking needle according to claim 1, it is characterised in that：First plastics are solid
It is choke (27) that fixed tube (5), which is plugged on the end inside hose (10) one end, and the outside of the choke (27) is equidistant to be set
There are several flange collars (28), and is integrally formed with baffle ring (29) on choke (27) between flange collar (28) and flake handle (8).
3. a kind of disposable artery and vein puncture blood taking needle according to claim 2, it is characterised in that：The flange collar (28)
Diameter is less than the diameter of baffle ring (29).
4. a kind of disposable artery and vein puncture blood taking needle according to claim 1, it is characterised in that：The connecting tube (16)
One end end edge far from the second plastics fixing pipe (15) is rounding corner structure, and the plastic spike (17) is far from connecting tube
(16) one end end edge is rounding corner structure.
5. a kind of disposable artery and vein puncture blood taking needle according to claim 1, it is characterised in that：Second plastics are solid
The outer symmetrical of fixed tube (15) is set there are two block (18).
6. a kind of disposable artery and vein puncture blood taking needle according to claim 1, it is characterised in that：The hose (10)
Outside is further sleeved with clamping part (2), and the clamping part (2) includes curved splint (30), and one end of the curved splint (30) connects
It is connected to pressing plate (32), and the other end of curved splint (30) is connected with support plate (34), the support plate (34) is close to pressing plate
(32) convex block (36) is installed between two parties, the inside of the convex block (36) offers parallel with support plate (34) on one side
Cylindrical type straight slot (35), and convex block (36) offers on the one side of pressing plate (32) and is connected with cylindrical type straight slot (35) between two parties
Logical cylindrical type groove (37), the pressing plate (32) is fixed on the one side of convex block (36) can stretch into cylindrical type groove
(37) briquetting (31), and the one end of pressing plate (32) far from curved splint (30) is connected with bending pressing plate (33).
7. a kind of disposable artery and vein puncture blood taking needle according to claim 1, it is characterised in that：The polytetrafluoroethylene (PTFE)
The lateral surface of block (6) extends to the outside of the first plastics fixing pipe (5), and the lateral surface of polytetrafluoroethylene (PTFE) block (6) is cambered surface knot
Structure.
8. a kind of protective device of disposable artery and vein puncture blood taking needle described in claim 1, it is characterised in that：Including suit
It is integrally formed with hinged ear (12), the hinge on the external casing (11) of the hose (10), the lateral surface of described sleeve pipe (11)
The inside of lug (12) is hinged with connect band (13) by axis pin, and the one end of the connect band (13) far from hinged ear (12) is fixed
It is connected with protection portion (3)；
The protection portion (3) includes the cylinder (19) for being fixedly connected on separate hinged ear (12) one end of connect band (13), described
Card slot (21) is offered on the end face of cylinder (19), and the center position of card slot (21) is passed through in the inside of cylinder (19)
Offer slot (20), the inside of the cylinder (19) symmetrically inlays that there are two elastic cards with the roof intersection of card slot (21)
Hold portion (24)；
The elasticity holding section (24) includes fixing to be embedded in the internal cylinder (23) of cylinder (19), and the two of the cylinder (23)
End is enclosed construction, and cylinder (23) is internally provided with spring (25), square slider (26) and fixture block (22), the spring
(25) inner roof wall of upper end and cylinder (23) is inconsistent, and the bottom end of spring (25) and the top of square slider (26) offset
It touches, the bottom of the square slider (26) is fixedly connected with the top of fixture block (22), and cylinder is run through in the bottom of the fixture block (22)
(23) bottom wall extends to the inside of card slot (21), and the bottom of fixture block (22) and the bottom wall of card slot (21) are inconsistent, the card
The bottom of block (22) is equipped with the inclined-plane faced on the outside of card slot (21).
9. a kind of protective device of disposable artery and vein puncture blood taking needle according to claim 8, it is characterised in that：It is described
The other end of cylinder (19) is arcuate structure.
10. a kind of protective device of disposable artery and vein puncture blood taking needle according to claim 8, it is characterised in that：Institute
Cylinder (19) is stated to be made of vinyon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725900.0A CN108523904B (en) | 2018-07-04 | 2018-07-04 | Disposable arteriovenous puncture blood taking needle and protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725900.0A CN108523904B (en) | 2018-07-04 | 2018-07-04 | Disposable arteriovenous puncture blood taking needle and protection device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108523904A true CN108523904A (en) | 2018-09-14 |
| CN108523904B CN108523904B (en) | 2024-05-10 |
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ID=63487916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810725900.0A Active CN108523904B (en) | 2018-07-04 | 2018-07-04 | Disposable arteriovenous puncture blood taking needle and protection device thereof |
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| Country | Link |
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| CN (1) | CN108523904B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864807A (en) * | 2019-04-04 | 2019-06-11 | 扬州大学附属医院 | A kind of new medical lumbar puncture needle |
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| JP2007236541A (en) * | 2006-03-07 | 2007-09-20 | Seigo Murakawa | Blood-collecting needle |
| CN203873765U (en) * | 2014-01-27 | 2014-10-15 | 中国人民解放军第二炮兵总医院 | Disposable vein blood sampling needle |
| CN105056340A (en) * | 2015-08-18 | 2015-11-18 | 天津哈娜好医材有限公司 | Safety type medical puncture needle and use method |
| WO2016107028A1 (en) * | 2015-01-04 | 2016-07-07 | 上海金塔医用器材有限公司 | Anti-needlestick two-wing venipuncture needle |
| CN206659822U (en) * | 2016-11-27 | 2017-11-24 | 中国人民解放军第四军医大学 | A kind of arterial blood drawing pin plugging device |
| CN211583179U (en) * | 2018-07-04 | 2020-09-29 | 南通市中医院 | Disposable arteriovenous puncture blood taking needle and protection device thereof |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007236541A (en) * | 2006-03-07 | 2007-09-20 | Seigo Murakawa | Blood-collecting needle |
| CN203873765U (en) * | 2014-01-27 | 2014-10-15 | 中国人民解放军第二炮兵总医院 | Disposable vein blood sampling needle |
| WO2016107028A1 (en) * | 2015-01-04 | 2016-07-07 | 上海金塔医用器材有限公司 | Anti-needlestick two-wing venipuncture needle |
| CN105056340A (en) * | 2015-08-18 | 2015-11-18 | 天津哈娜好医材有限公司 | Safety type medical puncture needle and use method |
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| CN211583179U (en) * | 2018-07-04 | 2020-09-29 | 南通市中医院 | Disposable arteriovenous puncture blood taking needle and protection device thereof |
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| CN109864807A (en) * | 2019-04-04 | 2019-06-11 | 扬州大学附属医院 | A kind of new medical lumbar puncture needle |
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|---|---|
| CN108523904B (en) | 2024-05-10 |
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