CN203829454U - Peripherally Inserted Central Catheter (PICC) with pressure double-leaf and double-action door - Google Patents
Peripherally Inserted Central Catheter (PICC) with pressure double-leaf and double-action door Download PDFInfo
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- CN203829454U CN203829454U CN201420134333.9U CN201420134333U CN203829454U CN 203829454 U CN203829454 U CN 203829454U CN 201420134333 U CN201420134333 U CN 201420134333U CN 203829454 U CN203829454 U CN 203829454U
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- guide part
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Abstract
The utility model discloses a Peripherally Inserted Central Catheter (PICC) with a pressure double-leaf and double-action door. According to the PICC, a catheter body is made of flexible silica gel materials; a fluid flow passage is arranged in the catheter body; a plug is connected with a front end port of the catheter body in a sealing manner; the plug is inserted in living tissue and has a guiding effect to obtain favorable guiding performance; a long and narrow opening is formed in the front end of the catheter body in the axial direction; the groove length of the long and narrow opening in the axial direction is A, wherein the A is less than 50 mm; when the PICC is in use, the long and narrow opening is in a closed state under the pressure from -8 mmHg to 80 mmHg, at the moment, the fluid cannot be conveyed, the blood cannot be drew and the blood is prevented from flowing backward; when the pressure borne by the long and narrow opening is greater than 80 mmHg, the fluid can be conveyed through adopting the PICC; when the pressure the long and narrow opening bears is less than -8 mmHg, the blood can be drew; a positive pressure and negative pressure guiding effect is realized, the use is safe and the structure is simple.
Description
[technical field]
This utility model relates to a kind of medical apparatus and instruments, especially a kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate (being called for short PICC).
[background technology]
At present, existing peripherally inserted central conduit on market (being called for short PICC) in the time of clinical use, easily gives a discount, stops up, punctures the problems such as blood vessel, is also not easy to extract steel wire simultaneously, cause to patient and bring misery, and patient is caused to secondary injury; In addition, traditional peripherally inserted central conduit is in the time of transfusion or blood drawing, and it is directly connected with infusion bottle or Reagent Tube, easily forms aeroembolism in use procedure, also easily occurs backflow of blood or freezing problem.
This utility model proposes for the deficiencies in the prior art research.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate, catheter body is that flexible silica gel material is made, in catheter body, be provided with fluid passage, catheter body front end port sealing is connected with plug, this plug has guiding function in insertion biological tissue, make it to there is good guidance quality, axially drawing and be provided with finedraw length mouthful near catheter body front end edge, the axial flute length of the long opening's edge of this finedraw is A, meet: A<50mm, when use, long mouthful of this finedraw under the pressure-acting of-8～80mmHg in closure state, now can not conveyance fluid, can not draw blood, can prevent backflow of blood, when finedraw slotted eye is under pressure while being greater than the pressure of 80mmHg, can utilize this utility model to carry out conveyance fluid, when be less than-8mmHg of the pressure being subject to when finedraw slotted eye, can draw blood, there is the function of positive/negative-pressure conducting, use safety, simple in structure.
For solving the problems of the technologies described above, a kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate of this utility model, comprise the flexible catheter body that is of being made by silica gel, in described catheter body, be provided with the fluid passage for delivery of fluid, described catheter body front end is connected with for by the plug of the port sealing of catheter body, described catheter body near its front end edge axially draw be provided with under the pressure-acting of-8～80mmHg in closure long mouthful of finedraw, the axial flute length of the long opening's edge of described finedraw is A, and described A meets A<50mm.
Described plug comprises the guide part and the sealing for coordinating with catheter body front end port sealing being connected with guide part that insert biological tissue for guiding.
Described guide part is bullet-shaped, and described guide part front end is provided with guiding sphere, and described guide part middle part is provided with the transition cambered surface for seamlessly transitting with guiding sphere and guide part rear end, and described guide part rear end diameter equates with catheter body external diameter.
Described sealing is cylinder or cone.
A kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate of this utility model, catheter body is that flexible silica gel material is made, in catheter body, be provided with fluid passage, catheter body front end port sealing is connected with plug, this plug has guiding function in insertion biological tissue, make it to there is good guidance quality, axially drawing and be provided with finedraw length mouthful near catheter body front end edge, the axial flute length of the long opening's edge of this finedraw is A, meet: A<50mm, when use, long mouthful of this finedraw under the pressure-acting of-8～80mmHg in closure state, now can not conveyance fluid, can not draw blood, can prevent backflow of blood, when finedraw slotted eye is under pressure while being greater than the pressure of 80mmHg, can utilize this utility model to carry out conveyance fluid, when be less than-8mmHg of the pressure being subject to when finedraw slotted eye, can draw blood, there is the function of positive/negative-pressure conducting, use safety, simple in structure.
[brief description of the drawings]
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:
Fig. 1 is this utility model structural representation.
Fig. 2 is explosive view of the present utility model.
Fig. 3 is cutaway view of the present utility model.
[detailed description of the invention]
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
A kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate of this utility model, comprise the flexible catheter body 1 that is of being made by silica gel, in described catheter body 1, be provided with the fluid passage 2 for delivery of fluid, described catheter body 1 front end is connected with for by the plug of the port sealing of catheter body 13, described catheter body 1 is axially drawn and is provided with the long mouth 4 of the finedraw in closure state under the pressure-acting of-8～80mmHg near its front end edge, the long mouth 4 of described finedraw flute length is vertically A, and described A meets A<50mm.
Described plug 3 comprises the guide part 31 and the sealing 32 for coordinating with catheter body 1 front end port sealing being connected with guide part 31 that insert biological tissue for guiding.
Insert in biological tissue for the ease of guiding, described guide part 31 is bullet-shaped, described guide part 31 front ends are provided with guiding sphere 33, described guide part 31 middle parts are provided with the transition cambered surface 34 for seamlessly transitting with guiding sphere 33 and guide part 31 rear ends, described guide part 31 rear end diameters equate with catheter body 1 external diameter, avoid unsmooth because of junction transition, cause and again injure patient.
Described sealing 32 is cylinder or cone.
In the time that fluid passage 2 internal pressures are greater than 80mmHg, fluid can flow out for long mouthful 4 through finedraw, and injects biological tissue, to carry out conveyance fluid, reaches therapeutic purposes.
When fluid passage when be less than-8mmHg of 2 internal pressures, if what insert is blood vessel, the blood in live body can enter fluid passage 2 for long mouthful 4 from finedraw, to draw blood, reaches the object that gathers blood.
When fluid passage 2 internal pressures are during between-8mmHg～80mmHg, the long mouth 4 of finedraw is in closure state, and according to human body superior vena cava normal central venous pressure power, its scope is 0～5mmHg, the long mouth 4 of finedraw in this utility model is in the time of pressure limit-8～80mmHg, in closure state.
Claims (4)
1. the peripherally inserted central conduit with the two-way gate-type of pressure bilobate, it is characterized in that comprising the flexible catheter body (1) that is of being made by silica gel, in described catheter body (1), be provided with the fluid passage (2) for delivery of fluid, described catheter body (1) front end is connected with for by the plug (3) of the port sealing of catheter body (1), described catheter body (1) is axially drawn and is provided with the finedraw in closure state long mouthful (4) under the pressure-acting of-8～80mmHg near its front end edge, described finedraw long mouthful (4) flute length is vertically A, described A meets A<50mm.
2. by a kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate described in claim 1, it is characterized in that described plug (3) comprises the guide part (31) and the sealing (32) for coordinating with catheter body (1) front end port sealing being connected with guide part (31) that insert biological tissue for guiding.
3. by a kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate described in claim 2, it is characterized in that described guide part (31) is bullet-shaped, described guide part (31) front end is provided with guiding sphere (33), described guide part (31) middle part is provided with the transition cambered surface (34) for seamlessly transitting with guiding sphere (33) and guide part (31) rear end, and described guide part (31) rear end diameter equates with catheter body (1) external diameter.
4. by a kind of peripherally inserted central conduit with the two-way gate-type of pressure bilobate described in claim 2, it is characterized in that described sealing (32) is cylinder or cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134333.9U CN203829454U (en) | 2014-03-24 | 2014-03-24 | Peripherally Inserted Central Catheter (PICC) with pressure double-leaf and double-action door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134333.9U CN203829454U (en) | 2014-03-24 | 2014-03-24 | Peripherally Inserted Central Catheter (PICC) with pressure double-leaf and double-action door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829454U true CN203829454U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420134333.9U Expired - Fee Related CN203829454U (en) | 2014-03-24 | 2014-03-24 | Peripherally Inserted Central Catheter (PICC) with pressure double-leaf and double-action door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203829454U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861034A (en) * | 2017-03-27 | 2017-06-20 | 郑州迪奥医学技术有限公司 | Conduit lower resistance three-dimensional valve |
| CN108355225A (en) * | 2018-01-24 | 2018-08-03 | 山东百多安医疗器械有限公司 | A kind of ductus venosus and preparation method thereof with the dual anti-valve that backflows |
| CN112169138A (en) * | 2020-10-30 | 2021-01-05 | 苏州伟康医疗器械有限公司 | End cap bonding process of catheter and catheter |
-
2014
- 2014-03-24 CN CN201420134333.9U patent/CN203829454U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861034A (en) * | 2017-03-27 | 2017-06-20 | 郑州迪奥医学技术有限公司 | Conduit lower resistance three-dimensional valve |
| CN108355225A (en) * | 2018-01-24 | 2018-08-03 | 山东百多安医疗器械有限公司 | A kind of ductus venosus and preparation method thereof with the dual anti-valve that backflows |
| CN112169138A (en) * | 2020-10-30 | 2021-01-05 | 苏州伟康医疗器械有限公司 | End cap bonding process of catheter and catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160324 |