CN208770560U - A kind of protective case for transfusion needle - Google Patents
A kind of protective case for transfusion needle Download PDFInfo
- Publication number
- CN208770560U CN208770560U CN201721431910.0U CN201721431910U CN208770560U CN 208770560 U CN208770560 U CN 208770560U CN 201721431910 U CN201721431910 U CN 201721431910U CN 208770560 U CN208770560 U CN 208770560U
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- CN
- China
- Prior art keywords
- protective case
- needle
- elastomer
- hole
- tank body
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This application discloses a kind of protective cases for transfusion needle of the field of medical instrument technology, including cylindrical protective set, the inside of the protective case is equipped with the cavity for accommodating transfusion needle, the top of the protective case is equipped with the first through hole passed through for needle, the bottom of the protective case is equipped with the second through-hole passed through for perfusion tube, the side wall of the protective case is equipped with sliding slot, the sliding slot is parallel with the axis direction of protective case, the inside of the protective case is equipped with the pyramid type tank body with protective case coaxial line, the tip of the tank body is opening, the open-mouth is equipped with the first elastomer and the second elastomer for sealing, the first elastomer other side and an entirety is bonded to each other into the other side of the second elastomer, the bottom of the tank body is equipped with the third through-hole passed through for needle, first elastomer and the second elastomer Joint place, first through hole and third through-hole are coaxial, and this programme will not be such that the drop of blood in needle falls.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of protective case for transfusion needle.
Background technique
Needle, which is stabbed, refers to one kind by medical instrument, and the unexpected injury as caused by transfusion needle, suture needle, scalpel, scissors etc. is hurt
Mouth is deep into the deep of skin, and makes the skin injury of the wounded's bleeding.Needle stabs that be that clinical staff is faced most tight
1,000,000 accidental needle sticks wounds at least occur every year for one of the occupational hazards of weight, disease prevention and control center, U.S. monitoring report,
Every year because caused by hematogenous infectious disease medical staff's death toll be more than tens of thousands of people, wherein 80% needle stabs generation in caregiver
Member.The harm that needle is stabbed is mainly manifested in three aspect of psychology harm, body harm and social danger, and body harm is that pointer is stabbed
The danger for propagating occupational Hematogenic infectious disease is far longer than other approach such as skin, mucous membrane, has proven to more than 20 kinds of cause of diseases at present
Body can stab propagation through needle, in addition, any needle stabs and all may cause tetanus.Psychology harm refers to medical worker by needle
Different degrees of fear, anxiety and psychological pressure are born after stabbing, and can also bring the change of work behavior.Social danger refers to
Hematogenous infectious disease is from patient to staff and staff is to the two-way propagation approach of patient, and wherein transfusion needle causes
Needle stab and accounted for major part.
Transfusion needle is the needle for venous transfusion, and transfusion needle includes needle and perfusion tube, passes through needle handle between needle and perfusion tube
Connection, the side of needle handle are socketed on the needle body, and the diameter of needle is 0.45-0.7mm, and the outer diameter of perfusion tube is 3.2-4.5mm, are used
Needle handle is fixed on human body and can be infused by medical proof fabric, and transfusion needle is before use, transfusion needle has a protection at present
Set avoids transfusion needle from contaminated pinhead while being also prevented from syringe needle using preceding contacted by other foreign objects and hurt sb.'s feelings.Existing protective case
Essence is exactly the root long degree sebific duct longer than transfusion needle length, and protective case internal diameter is identical as the outer diameter of syringe needle connecting tube.Reality is raw
Since protective case is smaller in work, pull out and be easy to, turn back to it is relatively difficult, especially on the jump (as flu peak period)
It is difficult for transfusion needle can once be inserted into protective case, it can very great Cheng in protective case if be all inserted into used transfusion needle
The working efficiency of nurse is influenced on degree.Therefore after generally protective case being pulled out when nurse is infused to patient be just directly thrown into dustbin
In, however at the end of infusion, transfusion needle is directly exposed to outside after drawn needle by nurse, and transfusion needle is easy the nurse to drawn needle
Needle stick injury is caused with the nurse of processing medical instruments, while when nurse's extraction transfusion needle, also remaining part-blood in transfusion needle
Liquid contains germ in blood, after blood is dripped from the inside of transfusion needle, will cause the pollution at scene, while nurse is easily infected with
Blood increases the risk fallen ill.
Utility model content
The utility model is intended to provide a kind of protective case for transfusion needle, with solve in the prior art blood drippage ask
Topic.
One of this programme is used for the protective case of transfusion needle, including cylindrical protective set, the inside of the protective case are set
There is the cavity for accommodating transfusion needle, the top of the protective case is equipped with the first through hole passed through for needle, the protective case
Bottom is equipped with the second through-hole passed through for perfusion tube, and the side wall of the protective case is equipped with sliding slot, the sliding slot and protective case
Axis direction it is parallel, the inside of the protective case is equipped with the pyramid type tank body with protective case coaxial line, the tank body
Tip is opening, and the open-mouth is equipped with the first elastomer and the second elastomer for sealing, the first elastomer and the second bullet
The side of property body is fixedly connected with the inner wall of tank body, the first elastomer other side and mutual with the other side of the second elastomer
It is bonded into an entirety, the bottom of the tank body is equipped with the third through-hole passed through for needle, first elastomer and second
The joint place of elastomer, first through hole and third through-hole are coaxial.
Working principle of the utility model is: transfusion needle is located at the sky inside protective case when using protective case in this programme
Intracavitary, transfusion needle includes needle, needle handle and perfusion tube, and needle includes syringe needle and backshank, and the side of needle handle is socketed on backshank, perfusion tube
It is socketed on needle handle, needle and perfusion tube realize by needle handle and connect that a part of perfusion tube is located in the second through-hole at this time, needle handle
The other side be located in sliding slot, slide needle handle along the chute, keep needle handle mobile towards the direction of first through hole, in the process of sliding
In, needle handle drives needle and perfusion tube to move in the same direction, and needle passes through third through-hole and enters in conical tank body, while perfusion tube exists
It is moved in second through-hole, a part of perfusion tube is gradually pulled in by needle handle into protective case.Continue to slide needle handle in sliding slot,
Syringe needle is mobile towards the first elastomer and the second elastomer in tank body, because of the side of the first elastomer and the second elastomer
It is fixedly connected with the inner wall of tank body, the first elastomer other side and is bonded to each other into one with the other side of the second elastomer
Whole, the first elastomer and the second elastomer have sealed up opening after being bonded to each other at this time, simultaneously because the first elastomer and the
The joint places of two elastomers, first through hole and third through-hole are coaxial, and needle contact to joint place, syringe needle on the move opens fitting
Place, syringe needle make the Inner extrusion of the first elastomer and the second elastomer towards tank body, the first elastomer and the second elastomer it
Between there is gap, syringe needle reaches outside tank body after passing through this gap, continues to slide needle handle in sliding slot at this time, syringe needle is worn
It reaches outside protective case, is inserted a needle into the human body after crossing first through hole, protective case is fixed on human body using medical proof fabric
It can start to be infused on skin.
After completing infusion, since protective case is fixed on by medical proof fabric the skin of human body, needle handle will be made towards second at this time
The direction of through-hole is slided, and needle handle drives needle to move in the same direction, and needle is extracted from human body, and needle after first through hole and gap by retracting to
In tank body, the first elastomer and the second elastomer are bonded again, and syringe needle is located in tank body at this time, and third through-hole is blocked up by needle
Firmly, tank body becomes an obturator, and the blood in needle is flowed into tank body, and blood is collected into tank body.
The utility model has the beneficial effects that 1, this programme is equipped with sliding slot, needle handle court in sliding slot on the side wall of protective case
It is slided to the direction of first through hole, needle handle reaches outside protective case after driving needle to pass sequentially through third through-hole and gap, can
It is infused, after completing infusion, needle handle is slided towards the second through-hole, and syringe needle is by entering tank body after first through hole and gap
Interior, the first elastomer and the second elastomer are bonded again, and opening is plugged, and third through-hole is blocked by needle, and tank body becomes one
A obturator, the blood in needle are flowed into tank body, and blood is collected into tank body, and blood will not be dripped out of needle, no
It will cause the pollution at scene.2, syringe needle is located in tank body, and needle is not exposed to outside protective case, not will cause needle stick injury.3,
Since needle handle is harder compared to perfusion tube, during infusion, the junction of needle handle and perfusion tube is easy to break, causes perfusion tube
Blocking, blood can be frozen into clot at blocking, and traditional processing method is to re-replace transfusion needle, has both wasted medical money in this way
Source, while the secondary acupuncture treatment of patient is caused, and in this programme in infusion, needle handle moves in sliding slot towards the direction of first through hole
When dynamic, needle handle drives perfusion tube to enter in protective case by the second through-hole, and the junction of needle handle and perfusion tube is located at protective case
Interior, the junction that not will cause needle handle and perfusion tube in this way is given a discount.
Further, the upper surface of first elastomer and the second elastomer is equipped with spongy layer.After the completion of infusion, needle is being pulled out
When, syringe needle passes sequentially through first through hole and enters in protective case, and the blood of this hour hand can drip sub-fraction, this part blood meeting
It in protective case, can be flowed out by first through hole, therefore spongy layer is set on the surface of the first elastomer and the second elastomer, led to
It crosses spongy layer and absorbs this part blood.
Further, the internal diameter of the third through-hole is equal to the outer diameter of needle.In order to make tank body reach better seal effect,
By making the internal diameter of third through-hole be equal to the outer diameter of needle, inserts the needle into third through-hole, third through-hole can be blocked.
Further, the internal diameter of second through-hole is much larger than the outer diameter of perfusion tube.Needle handle drives perfusion tube logical by second
When hole is entered in protective case, perfusion tube is softer, and perfusion tube is squeezed in third through-hole in order to prevent, therefore makes second to lead to
The internal diameter in hole is much larger than the outer diameter of perfusion tube.
Further, the outer wall of the protective case is equipped with anti-skid chequer.When pushing needle handle to slide in sliding slot, anti-skid chequer can be with
It prevents from skidding, is conducive to push needle handle.
Further, the bottom of the tank body is equipped with the alloy patch that can smoothly allow transfusion needle to be moved in third through-hole.
Needle can smoothly pass through third through-hole in order to prevent, avoid being needled into tank body bottom elsewhere, therefore be arranged and close
Golden patch.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the protective case for transfusion needle of the utility model；
Fig. 2 is a kind of structural schematic diagram of the protective case for transfusion needle of the utility model；
The structural schematic diagram of tank body in Fig. 3 Fig. 1.
Specific embodiment
The utility model is described in further detail below by specific embodiment:
Appended drawing reference in Figure of description includes: perfusion tube 1, needle handle 2, needle 3, the first elastomer 4, first through hole 5,
Two elastomers 6, tank body 7, sliding slot 8, alloy patch 9, third through-hole 10.
Embodiment is basic as shown in attached drawing 1, Fig. 2 and Fig. 3: a kind of protective case for transfusion needle, including cylindrical protective
Set, the outer wall of protective case are equipped with anti-skid chequer, and the inside of protective case is equipped with the cavity for accommodating transfusion needle, sets at the top of protective case
There is the first through hole 5 passed through for needle 3, the bottom of protective case is equipped with the second through-hole passed through for perfusion tube 1, the second through-hole
Internal diameter is much larger than the outer diameter of perfusion tube 1, and the side wall of protective case is equipped with sliding slot 8, and sliding slot 8 is parallel with the axis direction of protective case,
The inside of protective case is equipped with the pyramid type tank body 7 with protective case coaxial line, and the tip of tank body 7 is opening, and open-mouth is equipped with
For the first elastomer 4 and the second elastomer 6 of sealing, the first elastomer 4 and the second elastomer 6 are rubber material, and first
The upper surface of elastomer 4 and the second elastomer 6 is equipped with spongy layer, and the side of the first elastomer 4 and the second elastomer 6 is and liquid storage
The inner wall of body 7 is fixedly connected, and 4 other side of the first elastomer and is bonded to each other into an entirety with the other side of the second elastomer 6,
The bottom of tank body 7 is equipped with the third through-hole 10 passed through for needle 3, and the internal diameter of third through-hole 10 is equal to the outer diameter of needle 3, the first bullet
Property body 4 and the joint place of the second elastomer 6, first through hole 5 and third through-hole 10 it is coaxial, the bottom of tank body 7 is equipped with can be smoothly
Transfusion needle is allowed to be moved to the alloy patch 9 of third through-hole 10.
When using protective case in this programme, transfusion needle is located in the cavity inside protective case, and transfusion needle includes needle 3, needle
Handle 2 and perfusion tube 1, needle 3 include syringe needle and backshank, and the side of needle handle 2 is socketed on backshank, and perfusion tube 1 is socketed on needle handle 2,
Needle 3 and perfusion tube 1 are realized by needle handle 2 to be connected, and a part of perfusion tube 1 is located in the second through-hole at this time, the other side of needle handle 2
In sliding slot 8,8 sliding needle handle 2, keeps needle handle 2 mobile towards the direction of first through hole 5 along the chute, during sliding, needle
Handle 2 drives needle 3 and perfusion tube 1 mobile in the same direction, and needle 3 passes through third through-hole 10 and enters in the tank body 7 of cone, is infused simultaneously
Pipe 1 moves in the second through-hole, and a part of perfusion tube 1 is gradually pulled in by needle handle 2 into protective case.Continue to make needle handle 2 in cunning
Sliding in slot 8, syringe needle is mobile towards the first elastomer 4 and the second elastomer 6 in tank body 7, because of the first elastomer 4 and the
The side of two elastomers 6 is fixedly connected with the inner wall of tank body 7,4 other side of the first elastomer and another with the second elastomer 6
Side is bonded to each other into an entirety, and the first elastomer 4 and the second elastomer 6 have sealed up opening after being bonded to each other at this time, together
When due to the joint place of the first elastomer 4 and the second elastomer 6, first through hole 5 and third through-hole 10 it is coaxial, needle contact to patch
At conjunction, syringe needle on the move opens joint place, and syringe needle squeezes the first elastomer 4 and the second elastomer 6 towards the inside of tank body 7
There is gap in pressure between the first elastomer 4 and the second elastomer 6, syringe needle reaches outside tank body 7 after passing through this gap, this
Shi Jixu slides needle handle 2 in sliding slot 8, and syringe needle reaches outside protective case after passing through first through hole 5, and needle 3 is inserted into human body
Interior, protective case, which is fixed on the skin of human body, using medical proof fabric can start to be infused,
After completing infusion, since protective case is fixed on by medical proof fabric the skin of human body, needle handle 2 towards second will be made at this time
The direction of through-hole is slided, and needle handle 2 drives needle 3 mobile in the same direction, and needle 3 is extracted from human body, after needle 3 is by first through hole 5 and gap
It retracts in tank body 7, the first elastomer 4 and the second elastomer 6 are bonded again, and syringe needle is located in tank body 7 at this time, and third is logical
Hole 10 is blocked by needle 3, and tank body 7 becomes an obturator, and the blood in needle 3 is flowed into tank body 7, and blood is collected into
In tank body 7.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (6)
1. a kind of protective case for transfusion needle, including cylindrical protective set, it is characterised in that: the inside of the protective case is equipped with
For accommodating the cavity of transfusion needle, the top of the protective case is equipped with the first through hole passed through for needle, the bottom of the protective case
Portion is equipped with the second through-hole passed through for perfusion tube, and the side wall of the protective case is equipped with sliding slot, the sliding slot and protective case
Axis direction is parallel, and the inside of the protective case is equipped with the pyramid type tank body with protective case coaxial line, the point of the tank body
End is opening, and the open-mouth is equipped with the first elastomer and the second elastomer for sealing, the first elastomer and the second elasticity
The side of body is fixedly connected with the inner wall of tank body, the first elastomer other side and is mutually pasted with the other side of the second elastomer
An entirety is synthesized, the bottom of the tank body is equipped with the third through-hole passed through for needle, first elastomer and the second bullet
The joint place of property body, first through hole and third through-hole are coaxial.
2. a kind of protective case for transfusion needle according to claim 1, it is characterised in that: first elastomer and
The upper surface of two elastomers is equipped with spongy layer.
3. a kind of protective case for transfusion needle according to claim 2, it is characterised in that: the internal diameter of the third through-hole
Equal to the outer diameter of needle.
4. a kind of protective case for transfusion needle according to claim 3, it is characterised in that: the internal diameter of second through-hole
Much larger than the outer diameter of perfusion tube.
5. a kind of protective case for transfusion needle according to claim 4, it is characterised in that: the outer wall of the protective case is set
There is anti-skid chequer.
6. a kind of protective case for transfusion needle according to claim 5, it is characterised in that: the bottom of the tank body is set
There is the alloy patch that can smoothly allow transfusion needle to be moved in third through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431910.0U CN208770560U (en) | 2017-10-30 | 2017-10-30 | A kind of protective case for transfusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431910.0U CN208770560U (en) | 2017-10-30 | 2017-10-30 | A kind of protective case for transfusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208770560U true CN208770560U (en) | 2019-04-23 |
Family
ID=66142770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721431910.0U Expired - Fee Related CN208770560U (en) | 2017-10-30 | 2017-10-30 | A kind of protective case for transfusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208770560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840699A (en) * | 2020-06-08 | 2020-10-30 | 江苏康宝医疗器械有限公司 | Ejection type safety intravenous needle and use method thereof |
-
2017
- 2017-10-30 CN CN201721431910.0U patent/CN208770560U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840699A (en) * | 2020-06-08 | 2020-10-30 | 江苏康宝医疗器械有限公司 | Ejection type safety intravenous needle and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20211030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |