CN209004886U - A kind of safety-type diacan - Google Patents
A kind of safety-type diacan Download PDFInfo
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- CN209004886U CN209004886U CN201721661108.0U CN201721661108U CN209004886U CN 209004886 U CN209004886 U CN 209004886U CN 201721661108 U CN201721661108 U CN 201721661108U CN 209004886 U CN209004886 U CN 209004886U
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- sheath
- clamping part
- safety
- main body
- diacan
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Abstract
A kind of safety-type diacan is provided in capable of being assembled in completely syringe needle without exposed safety shield, and safety shield slides blood sampling tube outer surface of the encapsulation after the butterfly wing.Safety shield is provided with sheath ring, the portion sheath A, the portion sheath B and anti-slip part, the portion sheath A and the portion sheath B it is opposite and with sheath ring integrally connected, anti-slip part is set to the outer surface respectively at the portion sheath A and the portion sheath B.The portion the sheath A is provided with the portion A main body and two have the first clamping part for preventing syringe needle from skidding off, and two the first clamping parts the two sides of integrally connected and the portion A main body and form the groove to match with heparin tube with the portion A main body respectively.The diacan have structure is simple, production cost is low, easy to operate, anti-skidding and puncture needle will not be exposed, and only need one hand can safe operation sheath the advantages of.
Description
Technical field
The utility model relates to medical instruments field, in particular to a kind of safety-type diacan.
Background technique
Haemodialysis is most common medical procedure in medical treatment, is used for renal failure, acute pancreatitis, strong hepatitis, art
Liver failure etc. is treated afterwards.After haemodialysis artery and vein puncture, when medical staff is that sufferer is dialysed, most basic requirement is worn safely
Thorn.According to statistics, annual 1000000 medical worker is by sharps injury, wherein 84.6% is nurse, therefore some also catch hepatitis
There are the experience of injury from sharp utensil, 80% or more nurse's hair with Hematogenic infectious diseases, the nurses of investigation discovery 87.9% such as AIDS
Needle was given birth to stab.
In the prior art there are two types of safety-type puncture needles, one is self-locking puncture needles, but structure is complicated, component mistake
It is more, so that at high cost.Another is the puncture needle with protection sleeve pipe, and this puncture needle wants both hands operation protection set simultaneously
Pipe, puncture needle is easy to expose to protection sleeve pipe, and the smooth skating that is easy in operation in protection sleeve pipe surface is caused danger.
Therefore in view of the shortcomings of the prior art, providing a kind of safety-type diacan to solve prior art deficiency very
It is necessary.
Utility model content
The purpose of this utility model is that providing a kind of safety-type artery and vein puncture in place of avoiding the deficiencies in the prior art
Needle.The diacan have structure is simple, production cost is low, easy to operate, anti-skidding and puncture needle will not be exposed, and only
Need one hand can safe operation sheath the advantages of.
The above-mentioned purpose of the utility model is realized by following technical measures:
A kind of safety-type diacan is provided, is provided in capable of being assembled in completely syringe needle without exposed safety protective
Set, safety shield slide blood sampling tube outer surface of the encapsulation after the butterfly wing.
Preferably, above-mentioned safety shield is provided with sheath ring, the portion sheath A, the portion sheath B and anti-slip part, the portion sheath A and sheath
The portion B it is opposite and with sheath ring integrally connected, anti-slip part is set to the outer surface respectively at the portion sheath A and the portion sheath B.
Preferably, the portion above-mentioned sheath A is provided with the portion A main body and two have the first clamping part for preventing syringe needle from skidding off, and two
First clamping part the two sides of integrally connected and the portion A main body and forms the groove to match with heparin tube with the portion A main body respectively.
Preferably, the portion above-mentioned sheath B is provided with the portion B main body and two have the first clamping part for preventing syringe needle from skidding off, and two
Second clamping part the two sides of integrally connected and the portion A main body and forms the groove to match with heparin tube with the portion B main body respectively.
There are the gap moved for butterfly wing slip, and the first clamping part between first clamping part and corresponding second clamping part
The length of syringe needle is both greater than with the length of the second clamping part.
It will be defined as rear end close to one end of sheath ring, one end opposite with the rear end of safety shield is defined as front end.It will
The width that the gap is located at rear end is defined as d1, the gap be located at nose width be defined as d2, butterfly wing minimum thickness is
d3, needle diameter D, d1< d3< D and d1< d3< d2, d1、d2、d3It is all the positive number greater than 0 with D.
Preferably, the front end of above-mentioned first clamping part and the second clamping part is all overhead structure, and the angle of overhead structure
For C, 15 °≤C≤60 °.
Further, C=30 ° of the angle of overhead structure.
Preferably, above-mentioned first clamping part, the second clamping part and sheath ring form the card slot for fixing the butterfly wing.
It is L by the minimum range of the first clamping part to sheath ring1, the minimum range of the second clamping part to sheath ring is L2, butterfly
The minimum range of wing is L, and 0.9L≤L2≤L≤L1。
The front end of first clamping part is provided with abutting part, and the second clamping part is provided for the transition that butterfly wing slip enters
Structure.
Another preferred, the front end of above-mentioned first clamping part is provided for the transition structure that butterfly wing slip enters, the second card
The front end of buckle is provided for the transition structure that butterfly wing slip enters.
Preferably, above-mentioned anti-slip part is set as tread plate；The sheath ring is provided with anti-slip part.
Another preferred, above-mentioned anti-slip part is provided with recess portion.
Preferably, the surface of above-mentioned safety shield is smooth structure.
Preferably, the color of above-mentioned safety shield is ivory white.
A kind of safety-type diacan of the utility model is provided in capable of being assembled in completely syringe needle without exposed
Safety shield, safety shield slides blood sampling tube outer surface of the encapsulation after the butterfly wing.The safety shield be provided with sheath ring,
The portion sheath A, the portion sheath B and anti-slip part, the portion sheath A and the portion sheath B it is opposite and with sheath ring integrally connected, anti-slip part is set to point
Not in the outer surface in the portion sheath A and the portion sheath B.The portion the sheath A, which is provided with the portion A main body and two, prevent syringe needle from skidding off
One clamping part, two the first clamping parts are distinguished the two sides of integrally connecteds and the portion A main body and are formed and heparin tube phase with the portion A main body
The groove matched.The portion the sheath B, which is provided with the portion B main body and two, the first clamping part for preventing syringe needle from skidding off, two second cards
Buckle the two sides of integrally connected and the portion A main body and forms the groove to match with heparin tube with the portion B main body respectively.First clamping part
There are the gap moved for butterfly wing slip, and the length of the first clamping part and the second clamping part between corresponding second clamping part
The both greater than length of syringe needle.The beneficial effects of the utility model are that structure is simple, and production cost is low, while only needing a hand behaviour
Make can safe operation sheath puncture needle smoothness can be caught in safety shield and will not be exposed, increase anti-skid structure, and
There is obvious click when syringe needle is caught in card slot, prompts to have locked.
Detailed description of the invention
The utility model is further described using attached drawing, but the content in attached drawing is not constituted to the utility model
Any restrictions.
Fig. 1 is a kind of structural schematic diagram of safety-type diacan embodiment 1 of the utility model.
Fig. 2 is the side view of the safety shield in Fig. 1.
Fig. 3 is the multi-angle view of the safety shield in Fig. 1, and the A in Fig. 3 is front view, and the B in Fig. 3 is top view, figure
C in 3 is left view, and the D in Fig. 3 is right view.
Fig. 4 is the sectional view of the safety shield in Fig. 1.
Fig. 5 be the butterfly wing in safety shield when sectional view.
Fig. 6 is the schematic diagram of the overhead structure of safety shield.
Fig. 7 is a kind of multi-angle schematic diagram of safety-type diacan embodiment 2 of the utility model, and the A in Fig. 7 is
Front view, the B in Fig. 7 are sectional view, and the C in Fig. 7 is top view, and the D in Fig. 7 is right view.
Fig. 1 includes into Fig. 7:
Safety shield 1,
The portion 11 sheath A, the first clamping part 111, the portion A main body 112, abutting part 113, the portion 12 sheath B, the second clamping part 121,
The portion B main body 121,
Sheath ring 13, anti-slip part 14, overhead structure 15, card slot 16,
The butterfly wing 2 and syringe needle 3.
Specific embodiment
The technical solution of the utility model is described further with the following Examples.
Embodiment 1.
A kind of safety-type diacan is provided in capable of being assembled in completely syringe needle 3 as shown in Figures 1 to 6 without outer
The safety shield 1 of dew, safety shield 1 slide blood sampling tube outer surface of the encapsulation after the butterfly wing 2.Safety shield 1 is provided with sheath
Ring 13, the portion sheath A 11, the portion sheath B 12 and anti-slip part 14, the portion sheath A 11 and the portion sheath B 12 are opposite and integrally connect with sheath ring 13
It connects, anti-slip part 14 is set to the outer surface respectively at the portion sheath A 11 and the portion sheath B 12.
The portion sheath A 11 is provided with the portion A main body 112 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, and two
One clamping part 111 respectively two sides of integrally connected and the portion A main body 112 and being formed with the portion A main body 112 match with heparin tube it is recessed
Slot.The portion sheath B 12, which is provided with the portion B main body 121 and two, the first clamping part 111 for preventing syringe needle 3 from skidding off, two second buckles
Portion 121 two sides of integrally connected and the portion A main body 112 and forms the groove to match with heparin tube with the portion B main body 121 respectively.
There are the gap slided for the butterfly wing 2, and the between first clamping part 111 and corresponding second clamping part 121
The length of one clamping part 111 and the second clamping part 121 is both greater than the length of syringe needle 3.
It will be defined as rear end close to one end of sheath ring 13, one end opposite with the rear end of safety shield 1 is defined as front end.
The width that the gap is located at rear end is defined as d1, the gap be located at nose width be defined as d2, the minimum thickness of the butterfly wing 2
Degree is d3, syringe needle 3 diameter D, d1< d3< D and d1< d3< d2, d1、d2、d3It is all the positive number greater than 0 with D.
The front end of first clamping part 111 and the second clamping part 121 is all overhead structure 15, and the angle of overhead structure 15 is
C, 15 °≤C≤60 °, such as Fig. 6.The present embodiment is preferred, and the angle of overhead structure 15 is C=30 °.
First clamping part 111, the second clamping part 121 and sheath ring 13 form the card slot 16 for fixing the butterfly wing 2.By
The minimum range of one clamping part 111 to sheath ring 13 is L1, the minimum range of the second clamping part 121 to sheath ring 13 is L2, butterfly
The minimum range of the wing 2 is L, and 0.9L≤L2≤L≤L1.The gap minimum widith that the portion sheath A 11 and the portion sheath B 12 are formed is d1、
Maximum width is d2, 2 minimum thickness of the butterfly wing is d3, syringe needle 3 diameter D, d1< d3< D and d1< d3< d2, d1、d2It is all big with D
In 0 positive number, d1、d2、d3It is all the positive number greater than 0, such as Fig. 5 with D.
The front end of first clamping part 111 is set as abutting part 113, and the front end of the second clamping part 121 is provided for butterfly
The transition structure that the wing 2 slides into.Anti-slip part 14 is set as tread plate；Sheath ring 13 is provided with anti-slip part 14.
Overhead structure 15 can prevent the butterfly wing 2 from skidding off from card slot 16 to the front end of safety shield 1.Work as d1< d3< D and d1
< d3< d2When, can smoothly slide into gap with the butterfly wing 2, while can make to effectively prevent syringe needle 3 to move left and right again and from the portion sheath A
11 gaps formed with the portion sheath B 12 expose.When the butterfly wing 2 drives syringe needle 3 along gap to slide into safety shield 1, at this moment protect
Covering the gap minimum widith that the portion A 11 and the portion sheath B 12 are formed is d1Less than 2 minimum thickness of the butterfly wing, the butterfly wing 2 makes the portion sheath A
12 deformation of the portion 11 and sheath B and strut, when the butterfly wing 2 leaves 11 He of the portion sheath A after rear end enters to card slot 16 from safety shield 1
State before deformation is restored in the portion sheath B 12, so that prompting sound is generated, such as click.And 0.9L≤L2≤L≤L1, deformation can be passed through
The butterfly wing 2 is fixed on 121 side of the second clamping part, prevents the butterfly wing 2 in entire 16 inside shaking of card slot, reduction skids off safety
The probability of sheath 1.The abutting part 113 of first clamping part 111 is for pushing down the butterfly wing 2, in case the butterfly wing 2 up tilts.
A kind of safety-type diacan of the utility model use process is as follows: when needing to remove diacan
When, the hand of user presses point of puncture by hemostatic gauze, and another holds safety shield 1, adjusts safety shield 1
It sets, makes 1 front end the first clamping part 111 of safety shield above.Hand-held safety shield 1 is mobile toward simultaneously forward position heparin tube to syringe needle 3,
It holds tight heparin tube and moves heparin tube backward and extract syringe needle 3, while hand thumb and 1 rear end of forefinger safety shield are forward
It pushes, until syringe needle 3 is extracted completely, the continuous complete post-tensioning of heparin tube of holding with a firm grip forms the butterfly wing 2 along the portion sheath A 11 and the portion sheath B 12
Gap move backward, when hearing click, the butterfly wing 2 is completely into card slot 16 and syringe needle 3 is located in safety shield
1, finally fix hemostatic gauze.
A kind of safety-type diacan of the utility model is provided in capable of being assembled in completely syringe needle 3 without outer
The safety shield 1 of dew, safety shield 1 slide blood sampling tube outer surface of the encapsulation after the butterfly wing 2.The safety shield 1 is provided with
Sheath ring 13, the portion sheath A 11, the portion sheath B 12 and anti-slip part 14, the portion sheath A 11 and the portion sheath B 12 it is opposite and with sheath ring 13 1
Body connection, anti-slip part 14 are set to the outer surface respectively at the portion sheath A 11 and the portion sheath B 12.The portion the sheath A 11 is provided with A
Portion's main body 112 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, two the first clamping parts 111 difference integrally connecteds with
The two sides of the portion A main body 112 and the groove to match with the formation of the portion A main body 112 with heparin tube.The portion the sheath B 12 is provided with the portion B
Main body 121 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, two the second clamping parts 121 difference integrally connecteds and A
The two sides of portion's main body 112 and the groove to match with the formation of the portion B main body 121 with heparin tube.First clamping part 111 with it is corresponding
There are the gap slided for the butterfly wing 2, and the length of the first clamping part 111 and the second clamping part 121 between second clamping part 121
The both greater than length of syringe needle 3.The beneficial effects of the utility model are that structure is simple, and production cost is low, while only needing a hand
Operation can safe operation sheath 1 puncture needle smoothness can be caught in safety shield 1 and will not be exposed, increase anti-skid structure,
And have obvious click when syringe needle 3 is caught in card slot 16, it prompts to have locked.
Embodiment 2.
A kind of safety-type diacan, as shown in fig. 7, other features are same as Example 1, the difference is that,
Anti-slip part 14 is set as recess portion, and the front end of the first clamping part 111 is provided for the transition structure of the slide-in of the butterfly wing 2, and second
The front end of clamping part 121 is provided for the transition structure of the slide-in of the butterfly wing 2.
A kind of safety-type diacan of the utility model is provided in capable of being assembled in completely syringe needle 3 without outer
The safety shield 1 of dew, safety shield 1 slide blood sampling tube outer surface of the encapsulation after the butterfly wing 2.The safety shield 1 is provided with
Sheath ring 13, the portion sheath A 11, the portion sheath B 12 and anti-slip part 14, the portion sheath A 11 and the portion sheath B 12 it is opposite and with sheath ring 13 1
Body connection, anti-slip part 14 are set to the outer surface respectively at the portion sheath A 11 and the portion sheath B 12.The portion the sheath A 11 is provided with A
Portion's main body 112 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, two the first clamping parts 111 difference integrally connecteds with
The two sides of the portion A main body 112 and the groove to match with the formation of the portion A main body 112 with heparin tube.The portion the sheath B 12 is provided with the portion B
Main body 121 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, two the second clamping parts 121 difference integrally connecteds and A
The two sides of portion's main body 112 and the groove to match with the formation of the portion B main body 121 with heparin tube.First clamping part 111 with it is corresponding
There are the gap slided for the butterfly wing 2, and the length of the first clamping part 111 and the second clamping part 121 between second clamping part 121
The both greater than length of syringe needle 3.The beneficial effects of the utility model are that structure is simple, and production cost is low, while only needing a hand
Operation can safe operation sheath 1 puncture needle smoothness can be caught in safety shield 1 and will not be exposed, increase anti-skid structure,
And have obvious click when syringe needle 3 is caught in card slot 16, it prompts to have locked.
Embodiment 3.
A kind of safety-type diacan, other features are same as Example 1, the difference is that, safety shield 1
Surface is smooth structure, and the color of safety shield 1 is ivory white.The surface of safety shield 1 is smooth structure, is relaxed with skin contact
Clothes, improve the comfort of patient.
A kind of safety-type diacan of the utility model is provided in capable of being assembled in completely syringe needle 3 without outer
The safety shield 1 of dew, safety shield 1 slide blood sampling tube outer surface of the encapsulation after the butterfly wing 2.The safety shield 1 is provided with
Sheath ring 13, the portion sheath A 11, the portion sheath B 12 and anti-slip part 14, the portion sheath A 11 and the portion sheath B 12 it is opposite and with sheath ring 13 1
Body connection, anti-slip part 14 are set to the outer surface respectively at the portion sheath A 11 and the portion sheath B 12.The portion the sheath A 11 is provided with A
Portion's main body 112 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, two the first clamping parts 111 difference integrally connecteds with
The two sides of the portion A main body 112 and the groove to match with the formation of the portion A main body 112 with heparin tube.The portion the sheath B 12 is provided with the portion B
Main body 121 and two have the first clamping part 111 for preventing syringe needle 3 from skidding off, two the second clamping parts 121 difference integrally connecteds and A
The two sides of portion's main body 112 and the groove to match with the formation of the portion B main body 121 with heparin tube.First clamping part 111 with it is corresponding
There are the gap slided for the butterfly wing 2, and the length of the first clamping part 111 and the second clamping part 121 between second clamping part 121
The both greater than length of syringe needle 3.The beneficial effects of the utility model are that structure is simple, and production cost is low, while only needing a hand
Operation can safe operation sheath 1 puncture needle smoothness can be caught in safety shield 1 and will not be exposed, increase anti-skid structure,
And have obvious click when syringe needle 3 is caught in card slot 16, it prompts to have locked.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel, which should be appreciated that, can be modified or replaced equivalently technical solutions of the utility model, practical new without departing from this
The spirit and scope of type technical solution.
Claims (8)
1. a kind of safety-type diacan, it is characterised in that: it is provided in capable of being assembled in completely syringe needle without exposed
Safety shield, safety shield slide blood sampling tube outer surface of the encapsulation after the butterfly wing；
The safety shield is provided with sheath ring, the portion sheath A, the portion sheath B and anti-slip part, the portion sheath A and the portion sheath B it is opposite and with
Sheath ring integrally connected, anti-slip part are set to the outer surface respectively at the portion sheath A and the portion sheath B；
The portion the sheath A, which is provided with the portion A main body and two, the first clamping part for preventing syringe needle from skidding off, two first buckle parts
The two sides of other integrally connected and the portion A main body and the groove to match with the formation of the portion A main body with heparin tube；
The portion the sheath B, which is provided with the portion B main body and two, the first clamping part for preventing syringe needle from skidding off, two second buckle parts
The two sides of other integrally connected and the portion A main body and the groove to match with the formation of the portion B main body with heparin tube；
There are the gap moved for butterfly wing slip, and the first clamping part and the between first clamping part and corresponding second clamping part
The length of two clamping parts is both greater than the length of syringe needle；
It will be defined as rear end close to one end of sheath ring, one end opposite with the rear end of safety shield is defined as front end；
The width that the gap is located at rear end is defined as d1, the gap be located at nose width be defined as d2, butterfly wing minimum
With a thickness of d3, needle diameter D, d1< d3< D and d1< d3< d2, d1、d2、d3It is all the positive number greater than 0 with D；
The front end of first clamping part and the second clamping part is all overhead structure, and the angle of overhead structure is C, 15 °≤C≤
60°。
2. a kind of safety-type diacan according to claim 1, it is characterised in that: the angle C=of overhead structure
30°。
3. a kind of safety-type diacan according to claim 2, it is characterised in that: first clamping part,
Two clamping parts and sheath ring form the card slot for fixing the butterfly wing；
It is L by the minimum range of the first clamping part to sheath ring1, the minimum range of the second clamping part to sheath ring is L2, the butterfly wing
Minimum range be L, and 0.9L≤L2≤L≤L1。
4. a kind of safety-type diacan according to claim 3, it is characterised in that: before first clamping part
End is provided with abutting part, and the second clamping part is provided for the transition structure that butterfly wing slip enters.
5. a kind of safety-type diacan according to claim 4, it is characterised in that: before first clamping part
End is provided for the transition structure that butterfly wing slip enters, and the front end of the second clamping part is provided for the transition knot that butterfly wing slip enters
Structure.
6. a kind of safety-type diacan according to claim 2-5 any one, it is characterised in that: it is described anti-skidding
Portion is set as tread plate；
The sheath ring is provided with anti-slip part.
7. a kind of safety-type diacan according to claim 2-5 any one, it is characterised in that: it is described anti-skidding
Portion is provided with recess portion.
8. a kind of safety-type diacan according to claim 7, it is characterised in that: the surface of the safety shield
For smooth structure；
The color of the safety shield is ivory white.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721661108.0U CN209004886U (en) | 2017-12-01 | 2017-12-01 | A kind of safety-type diacan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721661108.0U CN209004886U (en) | 2017-12-01 | 2017-12-01 | A kind of safety-type diacan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209004886U true CN209004886U (en) | 2019-06-21 |
Family
ID=66828314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721661108.0U Active CN209004886U (en) | 2017-12-01 | 2017-12-01 | A kind of safety-type diacan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209004886U (en) |
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2017
- 2017-12-01 CN CN201721661108.0U patent/CN209004886U/en active Active
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