CN102247647A - Disposable bacteriostatic ultra-smooth medical indwelling catheter - Google Patents
Disposable bacteriostatic ultra-smooth medical indwelling catheter Download PDFInfo
- Publication number
- CN102247647A CN102247647A CN 201110227903 CN201110227903A CN102247647A CN 102247647 A CN102247647 A CN 102247647A CN 201110227903 CN201110227903 CN 201110227903 CN 201110227903 A CN201110227903 A CN 201110227903A CN 102247647 A CN102247647 A CN 102247647A
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- China
- Prior art keywords
- conduit
- superslide
- antibacterial
- dielectric layer
- catheter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000003385 bacteriostatic effect Effects 0.000 title abstract description 9
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 27
- 230000014759 maintenance of location Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 239000004814 polyurethane Substances 0.000 claims description 13
- 229920002635 polyurethane Polymers 0.000 claims description 12
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 10
- 230000003115 biocidal effect Effects 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- 239000004945 silicone rubber Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- 229920001661 Chitosan Polymers 0.000 claims description 5
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 5
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 5
- 239000004626 polylactic acid Substances 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910001923 silver oxide Inorganic materials 0.000 claims description 5
- 229940057995 liquid paraffin Drugs 0.000 claims description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 8
- 210000000056 organ Anatomy 0.000 abstract description 7
- 230000000474 nursing effect Effects 0.000 abstract description 5
- 239000003242 anti bacterial agent Substances 0.000 abstract 1
- 229940088710 antibiotic agent Drugs 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 206010052428 Wound Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000037816 tissue injury Diseases 0.000 description 2
- 208000031729 Bacteremia Diseases 0.000 description 1
- 206010036410 Postoperative wound infection Diseases 0.000 description 1
- 206010040047 Sepsis Diseases 0.000 description 1
- 208000031650 Surgical Wound Infection Diseases 0.000 description 1
- 206010051867 Tracheal injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 208000013223 septicemia Diseases 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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- Materials For Medical Uses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to a disposable bacteriostatic ultra-smooth medical indwelling catheter, and belongs to the field of medical instruments. The indwelling catheter comprises a catheter wall made of a medical high polymer material, and is characterized in that: an ultra-smooth medium layer for reducing frictional force between the catheter and tissues is arranged on the external surface and/or internal surface of the catheter wall; and a bacteriostatic medium layer is arranged between the catheter wall and the ultra-smooth medium layer. In the indwelling catheter, the ultra-smooth medium layer is arranged on the outermost side of the catheter wall, so that the frictional force between a catheter body and tissues or organs of human bodies is effectively reduced, and the pain of patients is also relieved; and the bacteriostatic medium layer is arranged on the internal surface of the catheter wall or between the catheter wall and the ultra-smooth medium layer, so that the catheter has antibacterial and bacteriostatic functions, the infection caused by the medical indwelling catheter is reduced, the using amount of antibiotics is reduced, and the nursing cost is saved, so the disposable bacteriostatic ultra-smooth medical indwelling catheter has high application and popularization value.
Description
Technical field
The present invention relates to the antibacterial superslide medical retention of a kind of disposable use conduit, in particular, relate in particular to a kind of antibacterial superslide medical retention of disposable use conduit that is provided with anti-antibacterial dielectric layer and superslide dielectric layer.
Background technology
Medical catheter adopts medical macromolecular materials to make mostly at present, as silicone rubber, polyurethane, polrvinyl chloride etc., wherein these two kinds of macromolecular materials of silicone rubber and polyurethane have excellent biocompatibility, have not and useful performance such as bodily tissue is bonding, so aspect medical, be widely used.Because the needs of operation or nursing, often need before art, keep somewhere some medical catheters (as catheter, central venous catheter etc.) or postoperative and keep somewhere some medical catheters (as drainage tube etc.), these conduits are kept somewhere in vivo according to patient's different syndromes needs and were not waited in about 1～30 day, very easily cause the infection of keeping somewhere medical catheter periphery tract or wound surface in the indwelling process of medical catheter.There are data to show in the urinary catheter in process and kept somewhere infection rate 31% 3 days; 5 days, infection rate 74%; External report catheter accounts for acquired infection and is: the U.S. 40%, and Japan 83%, wherein bacteremia and septicemia take place in 2-4%, and mortality rate is up to 13-30% among the 2-4%.Peripherally inserted central conduit (PICC) was indwelling process 30 days, and infection rate surpasses 10%.
Summary of the invention
The present invention provides a kind of antibacterial superslide medical retention of disposable use conduit that is provided with anti-antibacterial dielectric layer and superslide dielectric layer in order to overcome the shortcoming of above-mentioned technical problem.
The antibacterial superslide medical retention of disposable use of the present invention conduit, described conduit comprises the tube wall that is made of medical macromolecular materials, its special feature is: the outer surface of described tube wall and or inner surface be provided with the superslide dielectric layer that is used to reduce frictional force between conduit and the tissue, be provided with between described tube wall and the superslide dielectric layer and resist antibacterial dielectric layer.The tube wall that medical macromolecular materials constitute has no side effect to human body, and has good physical property, satisfies medical conditions; Because disposable use medical retention conduit is in the process of using, need insert and extract in human organ or tissue, the superslide dielectric layer in the tube wall outside can effectively reduce the friction between tube wall and tissue or the organ, has also reduced patient's misery when having reduced tissue injury; The superslide dielectric layer of tube wall inboard can reduce the detention of conduit to injection, reduces to treat the obstruction that flows out materials such as tissue fluid.Be provided with anti-antibacterial dielectric layer, make it have bacteria resistance function, can reduce the infection that indwelling drainage tube causes to a certain extent, reduce antibiotic consumption, also saved nursing cost simultaneously.
The antibacterial superslide medical retention of disposable use of the present invention conduit, described macromolecular material is polrvinyl chloride, polyurethane, silicone rubber or polylactic acid.Polrvinyl chloride, polyurethane, silicone rubber or polylactic acid all can satisfy medical performance, and especially for polyurethane and silicone rubber, its performance is more superior.
The antibacterial superslide medical retention of disposable use of the present invention conduit, the shape of cross section of described conduit are circle, ellipse, I shape or cross.Be applied in the difference of human body according to conduit, the inlying catheter with different cross section shape is set.
The antibacterial superslide medical retention of disposable use of the present invention conduit, the material of described anti-antibacterial dielectric layer is nanometer silver, silver oxide, silver ion, chitosan or antibiotic.Nanometer silver, silver oxide, silver ion, chitosan or antibiotic all have good fungistatic effect; During use, can choose the material of anti-antibacterial dielectric layer according to the scope difference that conduit is used, so that make the antibacterial bacteriostatic best results.
The antibacterial superslide medical retention of disposable use of the present invention conduit, the material of described superslide dielectric layer is liquid paraffin, silicone oil, polyurethane or base polyurethane prepolymer for use as.The superslide dielectric layer that is made of paraffin, silicone oil, polyurethane or base polyurethane prepolymer for use as all can effectively reduce the frictional force effect between conduit and the organ or tissue and reduce conduit to injection or wait to flow out the detention of tissue fluid.
The antibacterial superslide medical retention of disposable use of the present invention conduit, described anti-antibacterial dielectric layer and superslide dielectric layer only are provided with at an end of conduit.Because in the process that conduit uses, the most applications downcomer only part of an end extend in tissue or the trachea, therefore can be only anti-antibacterial dielectric layer and superslide dielectric layer be set at an end of conduit.
The invention has the beneficial effects as follows: the antibacterial superslide medical retention of disposable use of the present invention conduit, by the outer surface of tube wall and or inner surface the superslide dielectric layer is set, reduced effectively between body and tissue or the organ frictional force, reduced body and treated the obstruction that flows out materials such as tissue fluid, when having reduced, also reduced patient's misery to tissue or tracheal injury; By anti-antibacterial dielectric layer is set between the inner surface of tube wall or tube wall and superslide dielectric layer, make conduit have the antibacterial bacteriostatic function, reduced the infection that the medical retention conduit causes, reduce antibiotic consumption and saved nursing cost.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the present invention;
Fig. 2 is the structural representation of second kind of embodiment of the present invention;
Fig. 3 is the structural representation of the third embodiment of the present invention.
Among the figure: 1 conduit, 2 tube walls, 3 anti-antibacterial dielectric layers, 4 superslide dielectric layers, 5 tube wall mixed layers.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
Embodiment 1, as shown in Figure 1, having provided the structural representation of first kind of embodiment of the antibacterial superslide medical retention of disposable use of the present invention conduit, it comprises tube wall 2, anti-antibacterial dielectric layer 3, superslide dielectric layer 4; Constituted conduit 1 by tube wall 2, anti-antibacterial dielectric layer 3 and superslide dielectric layer 4.Tube wall 2 is made of medical macromolecular materials, for example polrvinyl chloride, polyurethane, silicone rubber or polylactic acid etc.; The inside of tube wall 2 is cavity, and anti-antibacterial dielectric layer 3 is arranged on the outer surface of tube wall 2, the antibacterial and bacteriostasis when being used to realize catheter retaining, and its material can adopt nanometer silver, silver oxide, silver ion, chitosan or antibiotic etc.Superslide dielectric layer 4 is arranged on the outer surface of anti-antibacterial dielectric layer 3, when conduit reduces frictional force between them when inserting or extracting tissue or organ, reduce patient's misery, its material can be selected liquid paraffin, silicone oil, polyurethane or base polyurethane prepolymer for use as etc. for use.
According to the difference of range of application, that the shape of conduit 1 cross section can be done is circular, oval, I shape or cross, so that reach best result of use.In the process that medical retention conduit of the present invention is made, the processing step that adopts comprise extrude, injection moulding, dipping, spraying, swelling infiltration, mixing, chemical meteorology deposition, the auxiliary chemical meteorology deposition down of plasma etc. so that process the inlying catheter that structure and performance compliant require.The medical retention conduit that adopts said structure and processing technology to process can be made the conduit of drain body fluid that medical fields such as catheter, drainage tube, peripherally inserted central conduit, central venous catheter, foley's tube use or topical therapeutic, administration.
The antibacterial superslide medical retention of the disposable use of the present invention conduit can replace indwelling drainage tube on the existing market.During use, an end that will contain superslide dielectric layer and anti-antibacterial dielectric layer stretches into body and is built in the wound drain.Because there is the superslide dielectric layer on the body surface, insert human body and extracting the frictional force that can effectively reduce in the process of human body between conduit and the human body wound tissue, greatly reduce patient's pain, simultaneously because the anti-antibacterial dielectric layer on the body has certain bacteria resistance function, can reduce the risk of surgical wound infection to a certain extent, reduce antibiotic consumption, also reduced nursing cost.
Claims (6)
1. the antibacterial superslide medical retention of disposable use conduit, described conduit (1) comprises the tube wall (2) that is made of medical macromolecular materials, it is characterized in that: the outer surface of described tube wall (2) and or inner surface be provided with the superslide dielectric layer (4) that is used to reduce frictional force between conduit and the tissue, be provided with between described tube wall (2) and the superslide dielectric layer (4) and resist antibacterial dielectric layer (3).
2. the antibacterial superslide medical retention of disposable use according to claim 1 conduit, it is characterized in that: described macromolecular material is polrvinyl chloride, polyurethane, silicone rubber or polylactic acid.
3. the antibacterial superslide medical retention of disposable use according to claim 1 and 2 conduit is characterized in that: the shape of cross section of described conduit (1) is circular, ellipse, I shape or cross.
4. the antibacterial superslide medical retention of disposable use according to claim 1 and 2 conduit is characterized in that: the material of described anti-antibacterial dielectric layer (3) is nanometer silver, silver oxide, silver ion, chitosan or antibiotic.
5. the antibacterial superslide medical retention of disposable use according to claim 1 and 2 conduit, it is characterized in that: the material of described superslide dielectric layer (4) is liquid paraffin, silicone oil, polyurethane or base polyurethane prepolymer for use as.
6. the antibacterial superslide medical retention of disposable use according to claim 1 and 2 conduit is characterized in that: described anti-antibacterial dielectric layer (3) and superslide dielectric layer (4) only are provided with at an end of conduit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110227903 CN102247647A (en) | 2011-08-10 | 2011-08-10 | Disposable bacteriostatic ultra-smooth medical indwelling catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110227903 CN102247647A (en) | 2011-08-10 | 2011-08-10 | Disposable bacteriostatic ultra-smooth medical indwelling catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102247647A true CN102247647A (en) | 2011-11-23 |
Family
ID=44975439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110227903 Pending CN102247647A (en) | 2011-08-10 | 2011-08-10 | Disposable bacteriostatic ultra-smooth medical indwelling catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102247647A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162188A (en) * | 2014-08-13 | 2014-11-26 | 康新 | Cannula type anti-bacterial continuous drainage device |
| CN105327403A (en) * | 2015-11-19 | 2016-02-17 | 绍兴新原力科技有限公司 | Compound type urinary catheter and processing technology thereof |
| CN105999495A (en) * | 2016-07-06 | 2016-10-12 | 河南驼人医疗器械集团有限公司 | Supersmooth antibacterial laryngeal mask |
| CN106139360A (en) * | 2015-03-24 | 2016-11-23 | 上海千山医疗科技有限公司 | Antibiotic medical catheter |
| CN109568676A (en) * | 2018-12-29 | 2019-04-05 | 张桂玲 | A kind of antibacterial super slippery medical retention conduit material |
| CN111295125A (en) * | 2017-12-29 | 2020-06-16 | 金昌潽 | Surgical instrument for endoscope |
| CN113198089A (en) * | 2021-04-20 | 2021-08-03 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Central venous pipeline for preventing embolism and infection |
| CN113616859A (en) * | 2021-07-08 | 2021-11-09 | 深圳先进技术研究院 | Antibacterial lubricating coating and preparation method and application thereof |
| WO2023279664A1 (en) * | 2021-07-08 | 2023-01-12 | 深圳先进技术研究院 | Lubricating coating for surface of medical instrument and preparation method therefor |
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| CN2572987Y (en) * | 2002-09-21 | 2003-09-17 | 福建师范大学 | Medical introducing duct with external covered multilayer structure |
| CN201061559Y (en) * | 2007-07-09 | 2008-05-21 | 尹中祥 | Ultra-sliding antimicrobial relaxing device for uterine tube |
| CN201445692U (en) * | 2009-08-13 | 2010-05-05 | 李志义 | Tracheal tube with antibacterial and lubricating layers |
| CN202185046U (en) * | 2011-08-10 | 2012-04-11 | 山东峰源医用材料有限公司 | Disposable bacteriostatic ultra-smooth medical indwelling catheter |
-
2011
- 2011-08-10 CN CN 201110227903 patent/CN102247647A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572987Y (en) * | 2002-09-21 | 2003-09-17 | 福建师范大学 | Medical introducing duct with external covered multilayer structure |
| CN201061559Y (en) * | 2007-07-09 | 2008-05-21 | 尹中祥 | Ultra-sliding antimicrobial relaxing device for uterine tube |
| CN201445692U (en) * | 2009-08-13 | 2010-05-05 | 李志义 | Tracheal tube with antibacterial and lubricating layers |
| CN202185046U (en) * | 2011-08-10 | 2012-04-11 | 山东峰源医用材料有限公司 | Disposable bacteriostatic ultra-smooth medical indwelling catheter |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162188A (en) * | 2014-08-13 | 2014-11-26 | 康新 | Cannula type anti-bacterial continuous drainage device |
| CN106139360A (en) * | 2015-03-24 | 2016-11-23 | 上海千山医疗科技有限公司 | Antibiotic medical catheter |
| CN105327403A (en) * | 2015-11-19 | 2016-02-17 | 绍兴新原力科技有限公司 | Compound type urinary catheter and processing technology thereof |
| CN105999495A (en) * | 2016-07-06 | 2016-10-12 | 河南驼人医疗器械集团有限公司 | Supersmooth antibacterial laryngeal mask |
| CN111295125A (en) * | 2017-12-29 | 2020-06-16 | 金昌潽 | Surgical instrument for endoscope |
| CN109568676A (en) * | 2018-12-29 | 2019-04-05 | 张桂玲 | A kind of antibacterial super slippery medical retention conduit material |
| CN113198089A (en) * | 2021-04-20 | 2021-08-03 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Central venous pipeline for preventing embolism and infection |
| CN113616859A (en) * | 2021-07-08 | 2021-11-09 | 深圳先进技术研究院 | Antibacterial lubricating coating and preparation method and application thereof |
| WO2023279664A1 (en) * | 2021-07-08 | 2023-01-12 | 深圳先进技术研究院 | Lubricating coating for surface of medical instrument and preparation method therefor |
| WO2023279665A1 (en) * | 2021-07-08 | 2023-01-12 | 深圳先进技术研究院 | Antibacterial lubricant coating, preparation method therefor and application thereof |
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| PB01 | Publication | ||
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Application publication date: 20111123 |