CN209611834U - A kind of disposable hemospast of blood bag blood pigtail - Google Patents
A kind of disposable hemospast of blood bag blood pigtail Download PDFInfo
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- CN209611834U CN209611834U CN201821690556.8U CN201821690556U CN209611834U CN 209611834 U CN209611834 U CN 209611834U CN 201821690556 U CN201821690556 U CN 201821690556U CN 209611834 U CN209611834 U CN 209611834U
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- blood
- threaded sleeve
- pigtail
- contact pin
- pin piece
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Abstract
The utility model relates to medical instruments fields, provide a kind of disposable hemospast of blood bag blood pigtail, including needle cannula 1 of taking a blood sample, threaded sleeve 2, blood pigtail pipe clamp 3, connecting tube 4, contact pin piece 5 and blood pigtail 6 form, the blood sampling needle cannula 1 is the casing of both ends helicitic texture, the threaded sleeve 2 is the casing of tubular structure, and blood sampling needle cannula 1 is connected at the bottom port of threaded sleeve 2, symmetrical card slot 22 is equipped at the upper end port of the threaded sleeve 2, and extend to tube wall middle and lower part, the outside wall surface of the blood pigtail pipe clamp 3 is equipped with symmetrical clamp holder 33, blood pigtail pipe clamp 3 is set in threaded sleeve 2, the clamp holder 33 can be placed in 22 outside of card slot of threaded sleeve 2, the connecting tube 4 can be inserted directly into the upper port of threaded sleeve 2, the inside of the connecting tube 4 is equipped with and can put Set the inner cavity 44 of contact pin piece 5.The utility model has the advantages that: structure is simple, easy to operate, clean and hygienic.
Description
Technical field
The utility model relates to medical instruments fields, take blood with disposable more specifically to a kind of blood bag blood pigtail
Device.
Background technique
In medical hemospast, disposable hemospast is small in size with its, using it is safe, easy to operate for characteristic it is deep by medical care
Personnel and patient welcome, and largely use in each medical institutions and diabetic at present.
Currently, legal provisions medical institutions are both needed to before providing red blood cell treatment for clinical patients to receptor and blood donor
Blood carry out cross matching, blood donor's sample be acquire blood after sealing plait save sample, blood pigtail for diameter about
0.5cm, it is about 10-20cm elongated shape plastic pipe, is with scissors first along next heat generally when carrying out cross match blood test
The front end of chalaza is cut, then the tail end in sample is broken, and blood is allowed to be flowed into test tube.Blood sample when operation in plait often can
It flows out or splashes with workbench or staff；Simultaneously as the scissors used directly contacts blood sample, so
In operating process, need one bag of blood must disappear to scissors primary poison or each sample using one scissors, daily handled by
Blood sample be up to hundred bags, so one bag of blood is less feasible scissors using one, most of medical institutions are all to cutting at present
Knife, which is carried out, uses once sterilizing primary, sterilizes with thimerosal cleaning disinfection or with medicining liquid dipping, in actual operation,
Often due to the too short effect that disinfection is not achieved and requires of disinfecting time, to cause cross contamination.On the other hand, scissors is being used
During, it is easy to cause the body of staff potentially possible injury, increases the chance of hospital-acquired infection.
The design of previous such product is more concern blood sampling effect, and with the continuous progress of technology and people are raw
Running water is flat to be improved, and the theory of such product design is: under the premise of guaranteeing to take a blood sample effect, it is more pay close attention to safety in utilization and
User experience.For this purpose, how the effective solution above problem is the project of the invention studied.
Summary of the invention
To solve the above-mentioned problems, it is simple to provide a structure for the utility model, designs a kind of reasonable blood bag blood pigtail
With disposable hemospast.
In order to achieve the above object, the technical solution that the utility model is taken is as follows:
A kind of disposable hemospast of blood bag blood pigtail, inside is hollow structure, by blood sampling needle cannula, threaded sleeve, blood pigtail
Pipe clamp, connecting tube, contact pin piece composition, the blood sampling needle cannula are the casing of both ends helicitic texture, the threaded sleeve
It is connected with blood sampling needle cannula at bottom port, is equipped with symmetrical card slot at the upper end port of the threaded sleeve, and extend
It is equipped with symmetrical clamp holder to the outside wall surface close to tube wall bottom, the blood pigtail pipe clamp, blood pigtail pipe clamp is set in threaded sleeve,
The clamp holder can be placed on the outside of the card slot of threaded sleeve, and can be moved up and down in threaded sleeve along card slot, the contact pin piece
It is connect by a connecting tube with threaded sleeve, which can be inserted directly into the upper port of threaded sleeve, the connection
The inside of pipe is equipped with the inner cavity that can place contact pin piece, and the contact pin on piece is equipped with a hollow needle.
The bottom port of the threaded sleeve is helicitic texture, which connect with blood taking needle casing threads.
For one similar to funnel shaped structure at the upper end port of the threaded sleeve, be additionally provided at the port fixed plate and
Protective plate, when the connecting tube is inserted in threaded sleeve, the fixed plate fixes connecting tube, and the protective plate extends
To the upper end port of the tube wall of connecting tube, play the role of preventing hollow needle from accidentally injured during puncturing blood pigtail to finger.
The card slot is rectangular configuration, and width is no more than the clamp holder width of blood pigtail pipe clamp.
It is additionally provided with " V " type groove on the outer wall of the blood pigtail pipe clamp, which is distributed in vertical state with clamp holder, which makes
When obtaining blood pigtail pipe clamp in the card slot of threaded sleeve, by the clamp holder for pinching blood pigtail pipe clamp, so that blood pigtail pipe clamp clamps blood pigtail, drive
Blood pigtail can move up and down.
The contact pin piece is an arc chip architecture, including a hollow needle, and the hollow needle is a L-type right-angle bending
Hollow needle, gluing are fixed in arc sheet body, hollow needle one end have suitable length hollow needle sharp pinhead expose and perpendicular to
Another hollow end on arc-like sheet surface, hollow needle is flushed with arc-like sheet, convenient for ventilation.
The connecting tube further includes a sealing cover, and the sealing cover is directly placed at the port of connecting tube.
Needle cannula of taking a blood sample is the casing for having double thread, and one of needle cannula of taking a blood sample connects with threaded sleeve screw thread
It connects, other end is threadedly coupled with the test tube plug of test tube.
Preferably, the internal diameter of threaded sleeve is more somewhat larger than the outer diameter of blood pigtail.
Preferably, being symmetrically distributed with clamp holder on the outer wall of the blood pigtail pipe clamp, the clamp holder portion of blood pigtail pipe clamp is pinched
Point, blood pigtail pipe clamp can be made to move up and down along symmetrical opening in threaded sleeve.
The beneficial effects of the utility model are:
Blood pigtail is placed in blood sampling inside pipe casing using completely new by the utility model, the casing matched with blood sampling threaded sleeve
Structure does not need the collecting work that can safely and effectively carry out blood in time using the method for cutting blood pigtail using scissors；
The bottom port of the threaded sleeve is helicitic texture, the threaded one end company of the bottom port and blood sampling needle cannula
It connects, so that blood taking needle is fixed well, facilitates the operation for carrying out poking blood pigtail, the other end for needle cannula of in addition taking a blood sample and blood sampling
The pipe close of test tube is also to be threadedly coupled, good seal performance；
The card slot is rectangular configuration, and width is no more than the clamp holder width of blood pigtail pipe clamp, the blood pigtail pipe clamp
" V " type groove is additionally provided on outer wall, which is distributed in vertical state with clamp holder, which makes blood pigtail pipe clamp be set to threaded sleeve
Card slot in when, clamp holder is just placed on the outside of the card slot of threaded sleeve, by the clamp holder for pinching blood pigtail pipe clamp, so that blood pigtail pipe clamp is clamped
Blood pigtail drives blood pigtail that can move up and down in threaded sleeve along card slot, and this structure can be applicable in the blood pigtail of various length, and
And the blood taking needle taken a blood sample in needle cannula can quickly be made accurately to poke blood pigtail；
The contact pin piece is an arc chip architecture, including a hollow needle, and the hollow needle is set to the inner wall of contact pin piece
Pin hole on, an arc sleeve section of jurisdiction will be equipped at the upper port of threaded sleeve, length is until extend to the opposite position of hollow needle
Set place, when can effectively avoid syringe needle from puncturing blood pigtail during puncture finger；
Contact pin can effectively be prevented using the cooperation of the limiting groove in contact pin on piece setting retention bead, with connecting tube
Piece rotates in connecting tube；
The hemostix further includes a sealing cover, and the sealing cover is directly placed at the port of connecting tube, has prevented sky
Contact of the bacterium with blood in gas, it is clean and sanitary.
Detailed description of the invention
The utility model is further described below in conjunction with attached drawing.
Fig. 1 is a kind of disposable hemospast structural schematic diagram of blood bag blood pigtail；
Fig. 2 is the structural schematic diagram of blood sampling needle cannula；
Fig. 3 is the structural schematic diagram of threaded sleeve；
Fig. 4 is the structural schematic diagram of blood pigtail pipe clamp；
Fig. 5 is the structural schematic diagram of connecting tube；
Fig. 6 is the structural schematic diagram of contact pin piece；
Fig. 7 is the structural schematic diagram of hollow needle and hollow needle and contact pin piece；
Wherein, 1- blood sampling needle cannula；2- threaded sleeve；3- blood pigtail pipe clamp；4- connecting tube；5- contact pin piece；6- blood pigtail；7- is close
Capping；
11- blood taking needle；22- card slot；The upper end port of 23- threaded sleeve；24- fixed plate；25- protective plate；33- clamp holder；
34- " V " type groove；The inner cavity 44-；45- blood pigtail pipeline；46- contact pin piece placing groove；47- placing groove notch；48- retention bead 49-
Limiting slot；55- needle set slot；56- limiting groove；57- hollow needle.
Specific embodiment
The utility model is further elaborated below in conjunction with attached drawing.
As shown in Figure 1, the utility model provides a kind of disposable hemospast of blood bag blood pigtail, including needle cannula 1 of taking a blood sample,
Threaded sleeve 2, blood pigtail pipe clamp 3, connecting tube 4, contact pin piece 5 and blood pigtail 6 form, and the blood sampling needle cannula 1 is both ends screw thread knot
The casing of structure, the threaded sleeve 2 are the casing of tubular structure, and are connected with blood taking needle at the bottom port of threaded sleeve 2
Casing 1 is equipped with symmetrical card slot 22 at the upper end port of the threaded sleeve 2, and extends to tube wall middle and lower part, described
The outside wall surface of blood pigtail pipe clamp 3 is equipped with symmetrical clamp holder 33, blood pigtail pipe clamp 3 is set in threaded sleeve 2, which can be placed in spiral shell
22 outside of card slot of line casing 2, and can be moved up and down in threaded sleeve 2 along card slot 22, the contact pin piece 5 connects by one
Adapter tube 4 is connect with threaded sleeve 2, which can be inserted directly into the upper port of threaded sleeve 2, the connecting tube 4
Inside is equipped with the inner cavity 44 that can place contact pin piece 5, and the contact pin piece 5 is equipped with a needle set slot 55.
The bottom port of the threaded sleeve 2 is helicitic texture, which is threadedly coupled with blood sampling needle cannula 1.
For one similar to funnel shaped structure at the upper end port 23 of the threaded sleeve 2, fixation is additionally provided at the port
The upper end port 23 of plate 24 and protective plate 25, the fixed plate 24 and protective plate 25 and threaded sleeve 2, which is integrally formed, to be designed, will be described
Connecting tube 4 when being inserted in threaded sleeve 2, the fixed plate 24 fixes connecting tube 4, and the protective plate 25 extends to connection
At the upper end port of the tube wall of pipe 4.
The card slot 22 is rectangular configuration, and width is no more than 33 width of clamp holder of blood pigtail pipe clamp 3, the clamp holder 33
For T-shape structure or trapezium structure, the clamp holder 33 and blood pigtail pipe clamp 3 are integrally formed and design.
It is additionally provided with " V " type groove 34 on the outer wall of the blood pigtail pipe clamp 3, is somebody's turn to do " V " type groove 34 and clamp holder 33 in vertical state
Distribution, when which be set to blood pigtail pipe clamp 3 in the card slot 22 of threaded sleeve 2, by the clamp holder 33 for pinching blood pigtail pipe clamp 3, so that
Blood pigtail pipe clamp 3 clamps blood pigtail 6, and blood pigtail 6 is driven to can move up and down.
The inner cavity 44 of the connecting tube 4 is equipped with blood pigtail pipeline 45, the diameter of blood pigtail pipeline more bigger than the diameter of blood pigtail one
A bit, blood pigtail pipeline 45 and connecting tube 4 are concentric circles, are equipped with one between blood pigtail pipeline 45 and the inner wall of connecting tube 4 for contact pin
The contact pin piece placing groove 46 that piece 5 is shelved, which is arcuate structure, in the center of contact pin piece placing groove 46
Equipped with a limiting slot 49, the limiting slot 49 is connected to contact pin piece placing groove 46 and blood pigtail pipeline 45, described to put in contact pin piece
It sets and is equipped with retention bead 48 at the placing groove notch 47 of slot 46, the retention bead is two, and the structure of the retention bead can
To be rectangle, the retention bead of circular configuration is also possible to and in relative position and is forming the protrusion of certain angle mutually.
The contact pin piece 5 is an arc chip architecture, including a needle set slot 55, limiting groove 56 and hollow needle 57 are described
Needle set slot 55 be set to contact pin piece 5 center inner wall on, the hollow needle 57 be set to needle set slot 55 in, the hollow needle 57
One end protrude from the inner wall of contact pin piece 5, and be arranged with 5 internal vertical of contact pin piece, the other end Pasting of hollow needle 57 is fixed
On contact pin piece 5, which also can be used other medical needles.
Needle cannula 1 of taking a blood sample is the casing for having double thread, and blood sampling needle cannula 1 is equipped with a blood taking needle 11, this is adopted
Blood needle 11 is arranged through blood sampling needle cannula 1, and blood sampling one of needle cannula 1 is threadedly coupled with threaded sleeve 2, other end and test tube
Test tube plug is threadedly coupled.
The contact pin piece 5 further includes the limiting groove 56 matched with the planform of retention bead 48, the retention bead
48 cooperate with limiting groove 56, and when contact pin piece 5 is placed in connecting tube 4, contact pin piece 5 will not rotate in connecting tube 4.
Preferably, the internal diameter of threaded sleeve 2 is more somewhat larger than the outer diameter of blood pigtail.
Preferably, being symmetrically distributed with clamp holder 33 on the outer wall of the blood pigtail pipe clamp 3, the clamp holder of blood pigtail pipe clamp is pinched
33 parts can be such that blood pigtail pipe clamp 3 moves up and down along the symmetrical card slot 22 of threaded sleeve 2 in threaded sleeve 2.
It further include a sealing cover 7 at the nozzle of the connecting tube 4, the nozzle of connecting tube (4) can directly be inserted in described close
Capping 7, port and 7 gluing of sealing cover of connecting tube 4 are fixed.
As most preferred embodiment, described that a protective jacket is cased on hollow needle 57, the structure of protective jacket can be according to hollow
The structure design of needle 57 matches, and prevents syringe needle from poking the inner wall of connecting tube during transportation and accidentally injuring finger.
Embodiment 2:
Different with embodiment 1, the top of the threaded sleeve 2 is equipped with symmetrical card slot 22, and extends
To close tube wall bottom, card slot 22 described in the clamp holder 33 is ellipsoidal structure, and width is no more than the folder of blood pigtail pipe clamp
Handle width, the clamp holder 33 are trapezium structure.
The working principle of the utility model is:
1, blood pigtail pipe clamp 3 is inserted into from the upper port of threaded sleeve 2 along 22 direction of card slot to the card of threaded sleeve
In slot 22, two blood pigtail clamp holders 33, which are set, to be stayed in outside threaded sleeve 2, is glided on the blood pigtail that blood pigtail clamp holder 33 can be put into it by pinching
It is dynamic；
2, it will be fixed in the contact pin piece insertion connecting tube of sharp keen needle set, so that retention bead 48 is matched with limiting groove 56
It closes；
3, connecting tube 4 is put into from 2 upper end port of threaded sleeve；
4, sealing cover 7 is covered, the upper end of connecting tube 4 is fixed on；
5, the upper end of the blood sampling needle cannula 1 with hollow needle is fixed on to the lower end center of threaded sleeve 2.
6, the lower end for needle cannula 1 of taking a blood sample is fixedly connected with the sealing-plug of blood sampling casing, is making blood pigtail just by pinching handle 33
It is good to be moved down right above blood sampling needle cannula, so that blood taking needle just pokes blood pigtail, on the other hand, connecting tube is rotated, is made
The hollow needle for obtaining contact pin on piece can just poke blood pigtail side wall, work along both lines, the blood in blood pigtail is caused to be flowed into blood sampling casing
In, it completes.
Claims (10)
1. a kind of disposable hemospast of blood bag blood pigtail, including take a blood sample needle cannula (1), threaded sleeve (2), blood pigtail pipe clamp (3), connect
Take over (4) and contact pin piece (5), it is characterised in that: the blood sampling needle cannula (1) is the casing of both ends helicitic texture, described
Threaded sleeve (2) is the casing of tubular structure, and blood sampling needle cannula (1) is connected at the bottom port of threaded sleeve (2), described
It is equipped with symmetrical card slot (22) at the upper end port of threaded sleeve (2), and extends to tube wall middle and lower part, the blood pigtail pipe
The outside wall surface for pressing from both sides (3) is equipped with symmetrical clamp holder (33), blood pigtail pipe clamp (3) is set in threaded sleeve (2), which is placed in
On the outside of the card slot (22) of threaded sleeve (2), the blood pigtail pipe clamp (3) moves up and down in threaded sleeve (2) along card slot (22),
In the upper port of connecting tube (4) insertion threaded sleeve (2), the inside of the connecting tube (4) is slotting equipped with that can place
The inner cavity (44) of faller gill (5), the contact pin piece (5) are an arc chip architecture.
2. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: the connecting tube (4)
Inner cavity (44) is hollow structure, and blood pigtail pipeline (45) is equipped in inner cavity (44), and blood pigtail pipeline (45) and connecting tube (4) are concentric circles
Structure is equipped with a contact pin piece placing groove shelved for contact pin piece (5) between blood pigtail pipeline (45) and the inner wall of connecting tube (4)
(46), the contact pin piece placing groove (46) is arcuate structure, is equipped with a limiting slot in contact pin piece placing groove (46) center
(49), the limiting slot (49) connection contact pin piece placing groove (46) and blood pigtail pipeline (45), it is described in contact pin piece placing groove
It (46) include a retention bead (48) that the retention bead is set at the placing groove notch (47) of contact pin piece placing groove (46).
3. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: the card slot (22) is square
Shape structure or ellipsoidal structure, and width is no more than clamp holder (33) width of blood pigtail pipe clamp (3), card slot (22) extends to
The tube wall bottom of blood pigtail pipe clamp (3), the clamp holder (33) be T-shape structure or trapezium structure, the clamp holder (33) with
Blood pigtail pipe clamp (3) is integrally formed design.
4. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: the threaded sleeve (2)
Upper end port (23) at for one similar to funnel shaped structure, be additionally provided with fixed plate (24) and protective plate (25) at the port, this
The upper end port (23) of fixed plate (24) and protective plate (25) and threaded sleeve (2), which is integrally formed, to be designed, by the connecting tube
(4) when being inserted in threaded sleeve (2), the fixed plate (24) is fixed connecting tube (4), the protective plate (25) company of extending to
It takes at the upper end port of the tube wall of (4).
5. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: the blood pigtail pipe clamp (3)
Outer wall on be additionally provided with symmetrical " V " type groove (34), should " V " type groove (34) be distributed in vertical state with clamp holder (33).
6. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: contact pin piece (5) packet
A needle set slot (55), limiting groove (56) and hollow needle (57) are included, is cased with a protective jacket, the knot of protective jacket on the hollow needle
Structure is matched with the structure of hollow needle, and the needle set slot (55) is set on the center inner wall of contact pin piece (5), the hollow needle
It (57) is the hollow needle of a L-type right-angle bending, gluing is fixed in needle set slot (55), a distal process of the hollow needle (57)
It is arranged for the inner wall of contact pin piece (5), and with contact pin piece (5) internal vertical, the other end Pasting of hollow needle (57) is fixed on
On contact pin piece (5), the contact pin piece (5) further includes the limiting groove that the planform of a retention bead (48) matches
(56)。
7. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: blood sampling needle cannula (1) is one
A casing with double thread, blood sampling needle cannula (1) are equipped with a blood taking needle (11), and the blood taking needle (11) is through blood sampling needle guard
(1) setting is managed, one end of the blood sampling needle cannula (1) is threadedly coupled with threaded sleeve (2), the test tube plug of the other end and test tube
It is threadedly coupled.
8. the disposable hemospast of blood bag blood pigtail according to claim 2, it is characterised in that: the retention bead is two
A, the structure of the retention bead can be the retention bead of rectangle, circular configuration, and is mutually being in relative position and is being formed certain
The protrusion of angle.
9. the disposable hemospast of blood bag blood pigtail according to claim 1, it is characterised in that: the threaded sleeve (2)
Bottom port be helicitic texture, the bottom port with take a blood sample needle cannula (1) threaded one end connect.
10. according to claim 1 or the 2 disposable hemospasts of described in any item blood bag blood pigtails, it is characterised in that: the company
Taking at the nozzle of (4) further includes a sealing cover (7), and the nozzle of connecting tube (4) can be directly inserted in the sealing cover (7), connection
The port of pipe (4) is fixed with sealing cover (7) gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690556.8U CN209611834U (en) | 2018-10-18 | 2018-10-18 | A kind of disposable hemospast of blood bag blood pigtail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690556.8U CN209611834U (en) | 2018-10-18 | 2018-10-18 | A kind of disposable hemospast of blood bag blood pigtail |
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| Publication Number | Publication Date |
|---|---|
| CN209611834U true CN209611834U (en) | 2019-11-12 |
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ID=68440934
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821690556.8U Active CN209611834U (en) | 2018-10-18 | 2018-10-18 | A kind of disposable hemospast of blood bag blood pigtail |
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| Country | Link |
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| CN (1) | CN209611834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260534A (en) * | 2018-10-18 | 2019-01-25 | 泰州市人民医院 | A kind of disposable hemospast of blood bag blood pigtail |
-
2018
- 2018-10-18 CN CN201821690556.8U patent/CN209611834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260534A (en) * | 2018-10-18 | 2019-01-25 | 泰州市人民医院 | A kind of disposable hemospast of blood bag blood pigtail |
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