CN203354987U - Long-term-retention hematodialysis catheter - Google Patents
Long-term-retention hematodialysis catheter Download PDFInfo
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- CN203354987U CN203354987U CN 201320405642 CN201320405642U CN203354987U CN 203354987 U CN203354987 U CN 203354987U CN 201320405642 CN201320405642 CN 201320405642 CN 201320405642 U CN201320405642 U CN 201320405642U CN 203354987 U CN203354987 U CN 203354987U
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- pipeline section
- hemodialysis catheter
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Abstract
The utility model discloses a long-term-retention hematodialysis catheter which comprises a catheter body and a catheter sleeve. The catheter body comprises a first inclined catheter section which is led into the subcutaneous tissue of the human body from the outside of the human body, a horizontal catheter section which is connected with the first inclined catheter section and basically horizontally arranged on the subcutaneous tissue of the human body, and a second inclined catheter section which is connected with the horizontal catheter section and penetrates into the blood vessel from the subcutaneous tissue of the human body. The catheter sleeve is connected to the outer surface of the horizontal catheter section in a sleeved mode. With the adoption of the long-term-retention hematodialysis catheter, the horizontal catheter section of the long-term-retention hematodialysis catheter is provided with the catheter sleeve which can be combined with the subcutaneous tissue to fix the catheter, the loosening and disengaging phenomenon can not occur when the long-term-retention hematodialysis catheter is used, the catheter sleeve and the subcutaneous tissue can be tightly combined to prevent bacteria from further invading, and the probability of blood vessel infection is effectively reduced.
Description
Technical field
This utility model relates to technical field of medical instruments, and being specifically related to a kind ofly provides the hemodialysis catheter of blood access by the implant into body blood vessel for hemodialysis.
Background technology
Hemodialysis is the main treatment means of the patient of uremia, need between dialysis machine and human body, set up blood access during hemodialysis, generally adopt clinically internal arteriovenous fistula and directly get involved vein blood vessel and set up blood access, internal arteriovenous fistula can cause hemangioma, blood vessel infection and thrombotic complication etc., and can increase the heart burden, add repeated localised puncture, give patient's physiology and bring psychologically misery, therefore, internal arteriovenous fistula is not suitable for the patient that cardiovascular is incomplete.Directly get involved hemodialysis catheter that vein blood vessel uses without repeated localised puncture, only need one-time puncture to complete to get involved to put pipe, while carrying out hemodialysis afterwards, only need connect blood vessel and dialysis machine can carry out with dialysis catheter.Therefore, the method is particularly suitable for the patient that cardiovascular is incomplete.
As shown in Figure 1, conventional hemodialysis catheter 14 passes through directly to puncture subcutaneous tissue 11 to blood vessel 12, in intravascular epidural catheter placement 12.Its fixed form is the epidermis 10 that directly is fixed on the patient.The clinical this pipe mode of putting relatively there will be the body phenomenon that gets loose, and puncture orifice and the external world due to blood vessel is a kind of linear state simultaneously, is prone to the blood vessel infection problems, causes complication.Therefore, be necessary existing guide-tube structure is made improvements, to intercept the antibacterial of invasion blood vessel, further reduce the probability that blood vessel infects.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of Preserving time hemodialysis catheter is provided, and can reduce and be punctured the probability that the position blood vessel infects, and can be fixed on reliably the human body corresponding site.
In order to solve the problems of the technologies described above, this utility model provides a kind of Preserving time hemodialysis catheter, comprises body and pipe box, and described body comprises and passing into from human body to hypodermic the first inclination pipeline section of human body; Be connected with described the first inclination pipeline section, and essentially horizontally be located at the horizontal pipeline section of subcutis; Be connected with described horizontal pipeline section, from subcutis, be through to endovascular the second inclination pipeline section; Described pipe box is socketed on described horizontal pipeline section outer surface.
As the improvement of such scheme, described pipe box is medical terylene pipe box or medical nylon pipe box.
As the improvement of such scheme, be provided with arterial passageway and the venous channel independently cut apart in described body.
As the improvement of such scheme, described the first inclination pipeline section stretches out that human body parts is connected with tremulous pulse tributary pipe and manage in the vein tributary, its respectively be connected corresponding with venous channel of described arterial passageway in described body.
As the improvement of such scheme, described tremulous pulse tributary pipe and vein tributary pipe are provided with pipe clamp, and described tremulous pulse tributary pipe and pipe top, vein tributary are provided with pipe joint.
As the improvement of such scheme, the length of described horizontal pipeline section is 3-5cm.
Implement this utility model, there is following beneficial effect:
A kind of Preserving time hemodialysis catheter described in the utility model, its horizontal pipeline section is provided with pipe box, described pipe box can be combined to fix with subcutaneous tissue described conduit, in use do not have the phenomenon that gets loose, and pipe box and hypodermic combining closely can stop the further invasion of antibacterial, effectively reduce the probability that blood vessel infects.
Hemodialysis catheter described in the utility model is provided with horizontal pipeline section, its length is 3-5cm, with existing direct puncture conduit, compare, its vascular puncture mouth and epidermis puncture orifice distant, and described hemodialysis catheter is curved shape in subcutaneous tissue, can stop the bacterial invasion blood vessel, reduce the probability that vascular puncture infects.
The accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of Preserving time hemodialysis catheter;
Fig. 2 is the structural representation of a kind of Preserving time hemodialysis catheter of this utility model;
Fig. 3 is a kind of Preserving time hemodialysis catheter of this utility model initial placement process schematic diagram;
Fig. 4 is a kind of Preserving time hemodialysis catheter of this utility model put procedure in mid-term schematic diagram.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is described in further detail.
As shown in Figure 2, a kind of Preserving time hemodialysis catheter, comprise body 1 and pipe box 2, and described body 1 comprises the first inclination pipeline section 3 passed into from human body to human body subcutaneous tissue 11; Be connected with described the first inclination pipeline section 3, and essentially horizontally be located at the horizontal pipeline section 4 of subcutis 11; Be connected with described horizontal pipeline section 4, from subcutis 11, be through to the second inclination pipeline section 5 in blood vessel 12; Described pipe box 2 is socketed on described horizontal pipeline section 4 outer surfaces.
It should be noted that, described horizontal pipeline section 4 is provided with pipe box 2, described pipe box 2 can be with subcutaneous tissue 11 combinations to fix described conduit, in use do not have the phenomenon that gets loose, and combining closely of pipe box 2 and subcutaneous tissue 11 can stop the further invasion of antibacterial, effectively reduce the probability that blood vessel 12 infects.
Hemodialysis catheter described in the utility model is provided with horizontal pipeline section 4, with existing direct puncture conduit, compare, its vascular puncture mouth and epidermis puncture orifice distant, and described hemodialysis catheter is curved shape in subcutaneous tissue 11, can stop bacterial invasion blood vessel 12, reduce the probability that blood vessel 12 punctures are infected.
Preferably, described pipe box 2 is medical terylene pipe box or medical nylon pipe box.
It should be noted that, described medical terylene pipe box or medical nylon pipe box and tissue have the good compatibility, can not cause damage to tissue.
Preferably, be provided with arterial passageway and the venous channel (not shown in FIG.) of independently cutting apart in described body 1.
Wherein, described the first inclination pipeline section 3 stretches out human body parts and is connected with tremulous pulse tributary pipe 6 and vein tributary pipe 7, its respectively be connected corresponding with venous channel of described arterial passageway in described body 1.
Preferably, described tremulous pulse tributary pipe 6 and vein tributary pipe 7 are provided with pipe clamp 8, and described tremulous pulse tributary pipe 6 and vein tributary are managed 7 tops and be provided with pipe joint 9.
It should be noted that, described pipe clamp 8 is for controlling unlatching and the sealing of described tremulous pulse tributary pipe 6 and vein tributary pipe 7; Described pipe joint 9 is for being connected with the conduit of haemodialysis control unit.
Preferably, the length of described horizontal pipeline section 4 is 3-5cm.
It should be noted that, if the length of described horizontal pipeline section 4 is too short, will reduce the technique effect that intercepts antibacterial; If the length of described horizontal pipeline section 4 is long, will produce larger discomfort to patient.Therefore, the length of described horizontal pipeline section 4 is chosen in 3-5cm and is advisable.
Below, in conjunction with Fig. 2-Fig. 4, how describe in detail by described hemodialysis catheter patients with implantation body.
At first, as shown in Figure 3, puncture to epidermis below 10 from relevant position and continue and essentially horizontally puncture forward of patient skin, at subcutaneous tissue 11, forming the long hypodermic tunnel of a 3-5cm, the front end of described hemodialysis catheter and described pipe box 2 are imported in described hypodermic tunnel.
Then, as shown in Figure 4, from the Centesis instrument 13 of point of puncture 3-5cm place use for the first time, puncturing to blood vessel 12, and noticing that the puncture track is by described hypodermic tunnel.
Finally, as shown in Figure 2, described hemodialysis catheter is placed in blood vessel 12 along the puncture track, the human body of described hemodialysis catheter is inserted operation and has been accused.
Above disclosed is only a kind of preferred embodiment of this utility model, certainly can not limit with this interest field of this utility model, and the equivalent variations of therefore doing according to this utility model claim, still belong to the scope that this utility model is contained.
Claims (6)
1. a Preserving time hemodialysis catheter, comprise body and pipe box, it is characterized in that, described body comprises and passing into from human body to hypodermic the first inclination pipeline section of human body; Be connected with described the first inclination pipeline section, and essentially horizontally be located at the horizontal pipeline section of subcutis; Be connected with described horizontal pipeline section, from subcutis, be through to endovascular the second inclination pipeline section; Described pipe box is socketed on described horizontal pipeline section outer surface.
2. hemodialysis catheter as claimed in claim 1, is characterized in that, described pipe box is medical terylene pipe box or medical nylon pipe box.
3. hemodialysis catheter as claimed in claim 1, is characterized in that, is provided with arterial passageway and the venous channel independently cut apart in described body.
4. hemodialysis catheter as claimed in claim 1, is characterized in that, described the first inclination pipeline section stretches out that human body parts is connected with tremulous pulse tributary pipe and manage in the vein tributary, its respectively be connected corresponding with venous channel of described arterial passageway in described body.
5. hemodialysis catheter as claimed in claim 4, is characterized in that, described tremulous pulse tributary pipe and vein tributary pipe are provided with pipe clamp, and described tremulous pulse tributary pipe and pipe top, vein tributary are provided with pipe joint.
6. as the described hemodialysis catheter of claim 1-5 any one, it is characterized in that, the length of described horizontal pipeline section is 3-5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320405642 CN203354987U (en) | 2013-07-09 | 2013-07-09 | Long-term-retention hematodialysis catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320405642 CN203354987U (en) | 2013-07-09 | 2013-07-09 | Long-term-retention hematodialysis catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203354987U true CN203354987U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320405642 Expired - Lifetime CN203354987U (en) | 2013-07-09 | 2013-07-09 | Long-term-retention hematodialysis catheter |
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| CN (1) | CN203354987U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104274874A (en) * | 2014-10-28 | 2015-01-14 | 郑州迪奥医学技术有限公司 | Anti-clogging hemodialysis catheter |
| CN105013062A (en) * | 2015-06-29 | 2015-11-04 | 浙江省人民医院 | Hemodialysis catheter capable of developing position of dacron sleeve through radiation |
| CN106512119A (en) * | 2016-11-21 | 2017-03-22 | 哈尔滨医科大学 | Fixing device for hemodialysis internal jugular central venous catheter |
| CN111032115A (en) * | 2017-08-17 | 2020-04-17 | 桥联有限公司 | Catheter for dialysis, in particular for long-term use |
| CN111760099A (en) * | 2020-06-28 | 2020-10-13 | 成都市青白江区人民医院 | Dialysis blood flow connector and dialysis device |
| CN115192861A (en) * | 2022-09-16 | 2022-10-18 | 山东百多安医疗器械股份有限公司 | Catheter subcutaneous tunnel fixing device with responsiveness |
| CN116999041A (en) * | 2023-09-07 | 2023-11-07 | 南京汉科明德医疗科技有限公司 | Contactless back pressure monitoring system and monitoring method |
-
2013
- 2013-07-09 CN CN 201320405642 patent/CN203354987U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104274874A (en) * | 2014-10-28 | 2015-01-14 | 郑州迪奥医学技术有限公司 | Anti-clogging hemodialysis catheter |
| CN105013062A (en) * | 2015-06-29 | 2015-11-04 | 浙江省人民医院 | Hemodialysis catheter capable of developing position of dacron sleeve through radiation |
| CN105013062B (en) * | 2015-06-29 | 2018-01-26 | 浙江省人民医院 | A kind of radiation can develop terylene set position hemodialysis catheter |
| CN106512119A (en) * | 2016-11-21 | 2017-03-22 | 哈尔滨医科大学 | Fixing device for hemodialysis internal jugular central venous catheter |
| CN111032115A (en) * | 2017-08-17 | 2020-04-17 | 桥联有限公司 | Catheter for dialysis, in particular for long-term use |
| CN111032115B (en) * | 2017-08-17 | 2022-09-13 | 桥联有限公司 | Catheter for dialysis, in particular for long-term use |
| CN111760099A (en) * | 2020-06-28 | 2020-10-13 | 成都市青白江区人民医院 | Dialysis blood flow connector and dialysis device |
| CN115192861A (en) * | 2022-09-16 | 2022-10-18 | 山东百多安医疗器械股份有限公司 | Catheter subcutaneous tunnel fixing device with responsiveness |
| CN116999041A (en) * | 2023-09-07 | 2023-11-07 | 南京汉科明德医疗科技有限公司 | Contactless back pressure monitoring system and monitoring method |
| CN116999041B (en) * | 2023-09-07 | 2024-05-03 | 南京汉科明德医疗科技有限公司 | Contactless back pressure monitoring system and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528225 No. 89 Taoyuan East Road, Nanhai District, Guangdong, Shishan, Foshan Patentee after: GUANGDONG BAIHE MEDICAL TECHNOLOGY Co.,Ltd. Address before: 528225 No. 89 Taoyuan East Road, Nanhai District, Guangdong, Shishan, Foshan Patentee before: GUANGDONG BAIHE MEDICAL TECHNOLOGIES Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |