CN204170209U - Closed remaining needle - Google Patents
Closed remaining needle Download PDFInfo
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- CN204170209U CN204170209U CN201420584217.7U CN201420584217U CN204170209U CN 204170209 U CN204170209 U CN 204170209U CN 201420584217 U CN201420584217 U CN 201420584217U CN 204170209 U CN204170209 U CN 204170209U
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- joint
- closed
- face
- elastic packing
- remaining needle
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Abstract
This utility model discloses a kind of closed remaining needle, comprise syringe needle, first liquid inlet joint and connecting line, described first liquid inlet joint is closed joint, described closed joint comprises liquid outlet, liquid feeding end infusion channel and elastic packing plug, described elastic packing plug have be positioned at described infusion channel bearing of trend on the first end face and the second end face, a slit is offered towards the second end face from the first end of described elastic packing plug, described slit has the closed closure state by the extruding of the main body of described elastic packing plug, be hedged off from the outer world to make described infusion channel, antibacterial or dust can not enter from described liquid feeding end, during fluid injection, described slit also has to be got into through with the joint for described transfusion device and the softened state be communicated with described liquid outlet, no-needle transfusion device can be adopted to get into and to carry out fluid injection through described slit, thus make patient and the medical personnel brought because of draw point are avoided to there is the problem of the risk infecting hematologic disease.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of closed remaining needle.
Background technology
Venous detaining needle is also known as venous catheter needle, the building block of core comprises the conduit/sleeve pipe that can be retained in endovascular softness, and stainless guiding puncture nook closing member, during use, conduit is punctured into Ink vessel transfusing together with nook closing member, when after the whole intravasation of conduit, withdraw out nook closing member, only the catheter retaining of softness is carried out infusion treatment at Ink vessel transfusing.
Venous detaining needle uses and can reduce misery that infant causes because of venipuncture repeatedly and to the fear of having an injection, alleviate the impatience of the head of a family, be convenient to clinical application, suddenly, the rescue medication of critical patient, alleviate the workload of nurse, reduce infant pain, thus venous detaining needle is in wide clinical application, in the face of this specific group of infant, the problem that the length of detaining time of intravenous indwelling needle and the comfortable nurse of becoming of infant and the head of a family pay close attention to the most is also the prerequisite of the mark that successfully uses of remaining needle and popularization.
The remaining needle that current industry is relatively commonly used comprises open indwelling needle and closed remaining needle, wherein, open indwelling needle adopts protection cap in the liquid inlet joint of described liquid inlet joint usually, remaining needle is protected, in use, first take off head protector and the joint of described transfusion device is connected with liquid inlet joint, but, after taking off head protector and before the joint of described transfusion device is plugged in liquid inlet joint, antibacterial or dust easily enter from described liquid inlet joint and pollute described open indwelling needle, described open indwelling needle can not be used for a long time.
Closed remaining needle is mainly compared to open indwelling needle difference: the liquid inlet joint of closed remaining needle is provided with calparine cap, during use, without the need to taking off calparine cap, but enter in described liquid inlet joint by wearing described calparine cap with the joint bundle of the transfusion device of draw point.But, the transfusion device of draw point is adopted riskyly mainly to be: during use, medical personnel may take other people and use and the draw point of non-sterile because of error, and make patient have the risk infecting hematologic disease, and, draw point is likely producing micro-bits through in calparine cap process, and micro-bits likely enter the vein of patient in piercing process with transfusion or blood transfusion, after using, the draw point being stained with the blood of patient may prick medical personnel, medical personnel are caused to have the risk infecting hematologic disease, also be, adopt and there is with draw point patient and medical personnel the risk infecting hematologic disease.
Utility model content
Main purpose of the present utility model is that solution antibacterial or dust enter from the liquid inlet joint of open indwelling needle and makes open indwelling needle need often to change, and sealed remaining needle needs the transfusion device adopting band draw point, and the existence of draw point makes patient and medical personnel there is the problem of the risk infecting hematologic disease.
For arriving above-mentioned technical purpose, this utility model provides a kind of closed remaining needle, comprise syringe needle, first liquid inlet joint and connecting line, described first liquid inlet joint is closed joint, described closed joint comprises the liquid outlet be connected with described connecting line, in order to the liquid feeding end be connected with the joint of transfusion device, the infusion channel of through described liquid feeding end and described liquid outlet, and the elastic packing plug be located in described infusion channel, described elastic packing plug have be positioned at described infusion channel bearing of trend on the first end face and the second end face, described first end face is arranged near described liquid feeding end, described second end face deviates from described liquid feeding end and arranges, a slit is offered towards the second end face from the first end of described elastic packing plug, described slit has the closed closure state by the extruding of the main body of described elastic packing plug, and the softened state got into through with the joint for described transfusion device and be communicated with described liquid outlet.
Preferably, described elastic packing plug adopts silica gel to make.
Preferably, described slit is yi word pattern slit or cross slit.
Preferably, be arranged with slot to make way from the second end face of described elastic packing plug to the first end face, the bottom that described slit runs through described slot to make way is arranged.
Preferably, described closed remaining needle also comprises the second liquid inlet joint, the single channel pipe that described connecting line comprises tee T, is connected with described syringe needle by the Single port of described tee T, the other two-port of described tee T is connected with described first liquid inlet joint and described second liquid inlet joint.
Preferably, described second liquid inlet joint is described closed joint.
Preferably, the female joint that described closed joint comprises male joint and is fixedly connected with described male joint, described male joint comprises male joint main body, be positioned at the described liquid outlet of one end of described male joint main body, be positioned at the inserted terminal of the other end of described male joint main body, and the male joint inner chamber of through described liquid outlet and described inserted terminal, described female joint comprises female joint main body, be positioned at the described liquid feeding end of one end of described female joint main body, be positioned at the socket end of the other end of described female joint main body, and the female joint inner chamber of through described liquid feeding end and described socket end, the inserted terminal of described male joint is socketed from the socket end of described female joint and described female joint inner chamber, described elastic packing plug is installed in described female joint inner chamber, and the end face of the second end face of described elastic packing plug and the inserted terminal of described male joint abuts against.
Preferably, described male joint adopts ultrasonic bonding with described female joint and is fixedly connected with.
Preferably, the end face of the inserted terminal of described male joint is convexly equipped with annular stop portion around the port of described male joint inner chamber, the inner side in described annular stop portion is formed with spacing space, and one end away from described liquid feeding end of described elastic packing plug is accommodating and be limited in described spacing space.
Preferably, the end face of the inserted terminal of described male joint is convexly equipped with annular engagement portion around described annular stop portion, and the end face of the socket end of described female joint is provided with the annular groove matched with described annular engagement portion.
The closed remaining needle that this utility model provides, comprise syringe needle, first liquid inlet joint and connecting line, described first liquid inlet joint is closed joint, described closed joint comprises the liquid outlet be connected with described connecting line, in order to the liquid feeding end be connected with the joint of transfusion device, the infusion channel of through described liquid feeding end and described liquid outlet, and the elastic packing plug be located in described infusion channel, described elastic packing plug have be positioned at described infusion channel bearing of trend on the first end face and the second end face, described first end face is arranged near described liquid feeding end, described second end face deviates from described liquid feeding end and arranges, a slit is offered towards the second end face from the first end of described elastic packing plug, described slit has the closed closure state by the extruding of the main body of described elastic packing plug, and the softened state got into through with the joint for described transfusion device and be communicated with described liquid outlet, described infusion channel is hedged off from the outer world by described elastic packing plug, antibacterial or dust can not enter from the first liquid inlet joint, thus, described closed remaining needle can be used for a long time, during fluid injection, no-needle transfusion device can be adopted to get into and to carry out fluid injection through described slit, thus make patient and the medical personnel brought because of draw point are avoided to there is the problem of the risk infecting hematologic disease.
Accompanying drawing explanation
The structural representation of one embodiment of the closed remaining needle that Fig. 1 provides for this utility model;
The structural representation of another embodiment of the closed remaining needle that Fig. 2 provides for this utility model;
Fig. 3 is the sectional structure schematic diagram of the closed joint of the closed remaining needle shown in Fig. 1 or Fig. 2.
The realization of this utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
This utility model provides a kind of closed remaining needle, one embodiment of the closed remaining needle that Fig. 1 provides for this utility model, another embodiment of the closed remaining needle that Fig. 2 provides for this utility model, Fig. 3 is the sectional structure schematic diagram of the closed joint of the closed remaining needle shown in Fig. 1 or Fig. 2.
Refer to Fig. 1 to Fig. 3, described closed remaining needle 100 comprises syringe needle 1, first liquid inlet joint 2, second liquid inlet joint 3 and connecting line 4, the single channel pipe 42 that described connecting line 4 comprises tee T 41 and is connected with described syringe needle 1 by the Single port of described tee T 41, the other two-port of described tee T 41 is connected with described first liquid inlet joint 2 and described second liquid inlet joint 3.Obviously, the design is not limited thereto, and described closed remaining needle 100 also can only include a liquid inlet joint and described first liquid inlet joint 2, and correspondingly, described connecting line 4 can only include the single channel pipe 42 be connected with described first liquid inlet joint 2 by described syringe needle 1.
Described first liquid inlet joint 2 is closed joint 5, in one embodiment of the closed remaining needle provided in Fig. 1 this utility model, described second liquid inlet joint 3 is carry out the common liquid inlet joint of protecting by head protector, in another embodiment of the closed remaining needle provided in Fig. 2 this utility model, described second liquid inlet joint 3 is also described closed joint 5.
Described closed joint 5 comprises the liquid outlet 51 be connected with described connecting line 4, in order to the liquid feeding end 52 be connected with the joint of transfusion device, the infusion channel 53 of through described liquid feeding end 52 and described liquid outlet 51, and the elastic packing plug 54 be located in described infusion channel 53, described elastic packing plug 54 have be positioned at described infusion channel 53 bearing of trend on the first end face 541 and the second end face 542, described first end face 541 is arranged near described liquid feeding end 52, described second end face 542 deviates from described liquid feeding end 52 and arranges, a slit 543 is offered to the second end face 542 from the first end face 541 of described elastic packing plug 54, described slit 543 has the closed closure state (as shown in Figure 3) by the extruding of the main body of described elastic packing plug 54, and the softened state (not shown) got into through with the joint for described transfusion device and be communicated with described liquid outlet 51.
During use, the syringe needle of described closed remaining needle 100 is specially the flexible pipe indwelling of syringe needle 1 in patient body, namely before fluid injection, the joint of described transfusion device is planted into before described liquid feeding end 52, described slit 543 is closed by the extruding of the main body of described elastic packing plug 54, be hedged off from the outer world to make described infusion channel 53, antibacterial and dust can not enter described infusion channel 53 from described liquid feeding end 52, thus, described closed remaining needle 100 can be used for a long time.
During fluid injection, (band taper) joint of needleless impregnator can be adopted to get into through described slit 543 is communicated with described infusion channel 53 and carry out fluid injection, thus avoid make patient and the medical personnel brought because of draw point to there is the problem of the risk infecting hematologic disease.Further, in injection process, described elastic packing plug 54 is fitted with the joint of described needleless impregnator, and described infusion channel 53 is still hedged off from the outer world, and antibacterial and dust can not enter described infusion channel 53 from described liquid feeding end 52.
Preferably, described elastic packing plug 54 adopts silica gel to make, in addition, in the present embodiment, slot to make way 544 is arranged with to the first end face 541 from the second end face 542 of described elastic packing plug 54, extrude at described elastic packing plug 54 and put in described infusion channel 53 process, the main body of described elastic packing plug 54 is out of shape and conveniently installs in described slot to make way 544, and the bottom that described slit 543 runs through described slot to make way 544 is arranged.Described slit 543 is yi word pattern slit or cross slit.
In the present embodiment, described closed joint 5 adopts the structure of two-piece type and is convenient to molding, particularly, and the female joint 5b that described closed joint 5 comprises male joint 5a and is fixedly connected with described male joint 5a.Wherein, described male joint 5a comprises male joint main body (non-label), be positioned at the described liquid outlet 51 of one end of described male joint main body, be positioned at the inserted terminal 55 of the other end of described male joint main body, and the male joint inner chamber 53a of through described liquid outlet 51 and described inserted terminal 55, described female joint 5b comprises female joint main body (non-label), be positioned at the described liquid feeding end 52 of one end of described female joint main body, be positioned at the socket end 56 of the other end of described female joint main body, and the female joint inner chamber 53b of through described liquid feeding end 52 and described socket end 56, the inserted terminal 55 of described male joint 5a is socketed with described female joint inner chamber 53b from the socket end 56 of described female joint 5b, described male joint inner chamber 53a is communicated with described female joint inner chamber 53b and forms described infusion channel 53, and, described male joint 5a adopts ultrasonic bonding with described female joint 5b and is fixedly connected with.Described elastic packing plug 54 is installed in described female joint inner chamber 53b, and the second end face 542 of described elastic packing plug 54 abuts against with the end face of the inserted terminal 55 of described male joint 5a.
In addition, the end face of the inserted terminal 55 of described male joint 5a is convexly equipped with annular stop portion 551 around the port of described male joint inner chamber 53a, the inner side in described annular stop portion 551 is formed with spacing space (non-label), and one end away from described liquid feeding end 52 of described elastic packing plug 54 is accommodating and be limited in described spacing space.Further, the end face of the inserted terminal 55 of described male joint 5a is convexly equipped with annular engagement portion 552 around described annular stop portion 551, and the end face of the socket end 56 of described female joint 5b is provided with the annular groove 561 matched with described annular engagement portion 552.
These are only preferred embodiment of the present utility model; not thereby its scope of the claims is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a closed remaining needle, comprise syringe needle, first liquid inlet joint and connecting line, it is characterized in that, described first liquid inlet joint is closed joint, described closed joint comprises the liquid outlet be connected with described connecting line, in order to the liquid feeding end be connected with the joint of transfusion device, the infusion channel of through described liquid feeding end and described liquid outlet, and the elastic packing plug be located in described infusion channel, described elastic packing plug have be positioned at described infusion channel bearing of trend on the first end face and the second end face, described first end face is arranged near described liquid feeding end, described second end face deviates from described liquid feeding end and arranges, a slit is offered towards the second end face from the first end of described elastic packing plug, described slit has the closed closure state by the extruding of the main body of described elastic packing plug, and the softened state got into through with the joint for described transfusion device and be communicated with described liquid outlet.
2. closed remaining needle as claimed in claim 1, is characterized in that, described elastic packing plug adopts silica gel to make.
3. closed remaining needle as claimed in claim 1, it is characterized in that, described slit is yi word pattern slit or cross slit.
4. closed remaining needle as claimed in claim 1, is characterized in that, be arranged with slot to make way from the second end face of described elastic packing plug to the first end face, and the bottom that described slit runs through described slot to make way is arranged.
5. closed remaining needle as claimed in claim 1, it is characterized in that, described closed remaining needle also comprises the second liquid inlet joint, the single channel pipe that described connecting line comprises tee T, is connected with described syringe needle by the Single port of described tee T, the other two-port of described tee T is connected with described first liquid inlet joint and described second liquid inlet joint.
6. closed remaining needle as claimed in claim 5, it is characterized in that, described second liquid inlet joint is described closed joint.
7. closed remaining needle as claimed in claim 1, it is characterized in that, the female joint that described closed joint comprises male joint and is fixedly connected with described male joint, described male joint comprises male joint main body, be positioned at the described liquid outlet of one end of described male joint main body, be positioned at the inserted terminal of the other end of described male joint main body, and the male joint inner chamber of through described liquid outlet and described inserted terminal, described female joint comprises female joint main body, be positioned at the described liquid feeding end of one end of described female joint main body, be positioned at the socket end of the other end of described female joint main body, and the female joint inner chamber of through described liquid feeding end and described socket end, the inserted terminal of described male joint is socketed from the socket end of described female joint and described female joint inner chamber, described elastic packing plug is installed in described female joint inner chamber, and the end face of the second end face of described elastic packing plug and the inserted terminal of described male joint abuts against.
8. closed remaining needle as claimed in claim 7, is characterized in that, described male joint adopts ultrasonic bonding with described female joint and is fixedly connected with.
9. closed remaining needle as claimed in claim 7, it is characterized in that, the end face of the inserted terminal of described male joint is convexly equipped with annular stop portion around the port of described male joint inner chamber, the inner side in described annular stop portion is formed with spacing space, and one end away from described liquid feeding end of described elastic packing plug is accommodating and be limited in described spacing space.
10. closed remaining needle as claimed in claim 9, it is characterized in that, the end face of the inserted terminal of described male joint is convexly equipped with annular engagement portion around described annular stop portion, and the end face of the socket end of described female joint is provided with the annular groove matched with described annular engagement portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584217.7U CN204170209U (en) | 2014-10-10 | 2014-10-10 | Closed remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584217.7U CN204170209U (en) | 2014-10-10 | 2014-10-10 | Closed remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170209U true CN204170209U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420584217.7U Active CN204170209U (en) | 2014-10-10 | 2014-10-10 | Closed remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204170209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237441A (en) * | 2016-08-31 | 2016-12-21 | 于燕 | A kind of multifunctional coaxial trocar sheath self-sealing venous indwelling device |
-
2014
- 2014-10-10 CN CN201420584217.7U patent/CN204170209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237441A (en) * | 2016-08-31 | 2016-12-21 | 于燕 | A kind of multifunctional coaxial trocar sheath self-sealing venous indwelling device |
| CN106237441B (en) * | 2016-08-31 | 2019-08-09 | 于燕 | A kind of multifunctional coaxial outer tube self-sealing venous indwelling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Jinhui Road, Pingshan New District, Shenzhen, Guangdong Province, No. 18 Patentee after: Shenzhen ante medical Limited by Share Ltd Address before: 518052 Jinhui Road, Pingshan New District, Shenzhen, Guangdong Province, No. 18 Patentee before: Shenzhen Ante Gaoke Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address |