CN204428600U - A kind of superslide silicone catheter - Google Patents
A kind of superslide silicone catheter Download PDFInfo
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- CN204428600U CN204428600U CN201420839568.8U CN201420839568U CN204428600U CN 204428600 U CN204428600 U CN 204428600U CN 201420839568 U CN201420839568 U CN 201420839568U CN 204428600 U CN204428600 U CN 204428600U
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- silicone catheter
- pipe shaft
- superslide
- sacculus
- silicone
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Abstract
This utility model relates to a kind of superslide silicone catheter, comprises the pipe shaft of silicone catheter, a sacculus and is connected to discharge opeing and the fluid injection joint of pipe shaft one end; It is characterized in that on the surface of described pipe shaft, discharge opeing and the surface of fluid injection joint and the surface of sacculus all cover one deck organosilicon film.This utility model is not when changing silicone catheter surface structure, material property and chemical composition, by at silicone catheter surface grafting low-molecular-weight organosilicon film, thus change the stream contacts performance on silicone catheter surface, effectively reduce silicone catheter skin-friction coefficient and dust absorption property, silicone catheter surface touch is obviously improved, comfortable, smooth.
Description
Technical field
This utility model belongs to medical instruments field, particularly a kind of superslide silicone catheter, when not changing silicone catheter surface structure, material property and chemical composition, by changing the stream contacts performance on silicone catheter surface at silicone catheter surface grafting low-molecular-weight organosilicon film, effective reduction silicone catheter skin-friction coefficient and dust absorption property, change silicone catheter surface touch, make catheter surface comfortable, smooth.
Background technology
At present, due to the biocompatibility of silica gel material excellence, it is made to be applied in Medical urethral catheter field.It has been inevitable development trend that silicone catheter replaces latex catheter.But, in application process, also there are some following drawbacks of silicone catheter.
1, silicone catheter has larger skin-friction coefficient and stronger surface adsorption property.So silicone catheter is when the packaging bag that plastic foils such as using PP, OPP is made, and easily sticky glutinous, attaching, takes out or load more difficult.
2, because silica gel product sense of touch is jerky, silicone catheter is just good not with its contact of human contact and comfortableness.
3, because silica gel product has stronger dust absorbability, so silicone catheter easily adsorbs dust and fine debris thing in production and use procedure, be unfavorable for producing and product protection.
4, human contact's silicone catheter surface easily leaves antiperspirant print.
Summary of the invention
For existing silicone catheter in outward appearance, sense of touch and actual use above shortcomings, this utility model provides a kind of superslide silicone catheter.Form certain thickness organosilicon film with surface treatment method in the grafting of traditional silica gel catheter surface, promote its surface touch when its outward appearance, structural behaviour obviously do not change, reduce its absorption to dust and clast, reduce it to the sticky glutinous of the plastic foils such as PP, OPP with attach.
The superslide silicone catheter that this utility model provides, comprises the pipe shaft of silicone catheter, a sacculus and is connected to discharge opeing and the fluid injection joint of pipe shaft one end; It is characterized in that: on the surface of described pipe shaft, discharge opeing and the surface of fluid injection joint and the surface of sacculus all cover one deck organosilicon film.
Wherein, the thickness of described organosilicon film is 5-25 μm; Preferred thickness is 5-15 μm..
Described organosilicon film be organic silicon emulsion containing tetramethyl polysiloxanes, polymethyl hydrogen siloxane and amido silicon oil on the surface of described pipe shaft, 5-25 μm of thick film layers being formed of described discharge opeing and the surface of fluid injection joint and the surface grafting of described sacculus.
Described organosilicon film also can be organic silicon emulsion containing tetramethyl polysiloxanes, polymethyl hydrogen siloxane, amido silicon oil, octamethylcy-clotetrasiloxane and Siloxane-Oxyalkylene Copolymers on the surface of described pipe shaft, 5-25 μm of thick film layers being formed of described discharge opeing and the surface of fluid injection joint and the surface grafting of described sacculus.
This utility model forms one deck organosilicon film at each several part outer surface of traditional silicone catheter and forms superslide silicone catheter, and this organosilicon film significantly reduces product surface coefficient of friction and surface adsorption.Would not be there is sticky glutinous and absorption in the packaging bag that the plastic foils such as this utility model superslide silicone catheter same PP, OPP are made, also there will not be the loading caused thus and the problem of taking out difficulty.
This utility model overcomes the jerky deficiency of traditional silicone catheter sense of touch, and product surface surface touch is obviously improved, and makes its sense of touch comfortable, smooth.Product specification is corresponding lifting also.
Because the adsorptivity of product surface to dust thing and fine debris reduces greatly, thus avoid dust thing and chip in production and use procedure and be gathered in product surface, polluted product.Human contact can not produce antiperspirant print and fingerprint.
Accompanying drawing explanation
Fig. 1 is an embodiment schematic diagram of superslide silicone catheter;
Fig. 2 is the generalized section of Fig. 1 catheter body part.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in detail.
With reference to Fig. 1, Fig. 2, embodiment superslide silicone catheter comprises: the pipe shaft 2 of silicone catheter, is connected to discharge opeing and the fluid injection joint 1 of pipe shaft 2 one end, is positioned at the sacculus 3 inside the outage 4 of pipe shaft 2 insertion end and this outage 4; Cover organosilicon film 21 at the outer surface of described pipe shaft 2, also cover organosilicon film at the outer surface of discharge opeing and fluid injection joint 1 and sacculus 3 equally.Discharge opeing and fluid injection joint 1, pipe shaft 2, sacculus 3 are silica gel material and make.These organosilicon film are connected firmly with the top layer of the pipe shaft 2 of former silicone catheter, discharge opeing and the top layer of fluid injection joint 1 and the top layer grafting of sacculus 3, and similar nature, has more excellent surface property.Organosilicon film 11 thickness is 5-25 μm.
The organic silicon emulsion containing tetramethyl polysiloxanes, polymethyl hydrogen siloxane and amido silicon oil is adopted to form organosilicon film in the outer surface grafting of traditional silicone catheter.Manufacturing process is:
S1 step, with parts by weight, first tetramethyl polysiloxanes 2 parts, polymethyl hydrogen siloxane 8 parts and amido silicon oil 11 parts are put into emulsifying kettle and be heated to 80-120 DEG C, be uniformly mixed with 750-1500R/MIN, then add the organic silicon emulsion that particle diameter 50-100nm is made in silicone oil emulsification agent 4 parts, 0.15 part, formic acid and deionized water 70 parts stirring (rotating speed 3000-8000R/MIN) emulsifying, dispersion; Make emulsifying kettle temperature drop to 40-60 DEG C of standing 3-5h, then be down to room temperature and obtain treatment fluid;
S2 step, by the outer surface (comprise the outer surface of pipe shaft, sacculus, discharge opeing and fluid injection joint each several part) of the treatment fluid pressurized spray of S1 step gained to silicone catheter, film forming; Then at 150 DEG C, toast 10-30 minute, drying and consolidating, form organosilicon film 2 on the surface of silicone catheter.
In S2 step, by the outer surface for the treatment of fluid even application to silicone catheter under spray pressure is 0.1-0.3Mpa condition, spraying requires that film forming is even, does not produce spray coating liquor and heaps and drip extension.Baking is dry, forms the uniform organosilicon film of one deck after consolidation at silicone catheter outer surface.This organosilicon film is connected firmly with former silicone catheter top layer, and similar nature has more excellent surface property.The thickness of this organosilicon film is 10-15 μm.
The organic silicon emulsion containing tetramethyl polysiloxanes, octamethylcy-clotetrasiloxane, Siloxane-Oxyalkylene Copolymers, polymethyl hydrogen siloxane and amido silicon oil is adopted to form organosilicon film in the outer surface grafting of traditional silicone catheter.Manufacturing process is:
S1 step, with parts by weight, first tetramethyl polysiloxanes 1 part, polymethyl hydrogen siloxane 10 parts, amido silicon oil 8 parts, octamethylcy-clotetrasiloxane 0.8 part and Siloxane-Oxyalkylene Copolymers 4 parts are put into emulsifying kettle and be heated to 80-120 DEG C, stir (rotating speed 750-1500R/MIN) mix homogeneously, then add the organic silicon emulsion that particle diameter 50-100nm is made in silicone oil emulsification agent 3 parts, oxalic acid 0.3 part and deionized water 80 parts stirring (rotating speed 3000-8000R/MIN) emulsifying, dispersion; Make emulsifying kettle temperature drop to 40-60 DEG C of standing 3-5h, then be down to room temperature and obtain treatment fluid;
S2 step, the treatment fluid of S1 step gained is sprayed under spray pressure 0.1-0.3Mpa condition the outer surface (comprising the outer surface of pipe shaft, sacculus, discharge opeing and fluid injection joint each several part) of silicone catheter, film forming; Then at 150 DEG C, toast 10-30 minute, drying and consolidating, form organosilicon film on the surface of silicone catheter.
Propenyl polyethers, amino silicone oil emulsifying agent etc. are selected in above-mentioned silicone oil emulsification agent.
Claims (5)
1. a superslide silicone catheter, comprises the pipe shaft of silicone catheter, a sacculus and is connected to discharge opeing and the fluid injection joint of pipe shaft one end; It is characterized in that: on the surface of described pipe shaft, discharge opeing and the surface of fluid injection joint and the surface of sacculus all cover one deck organosilicon film.
2. superslide silicone catheter as claimed in claim 1, it is characterized in that, the thickness of described organosilicon film is 5-25 μm.
3. superslide silicone catheter as claimed in claim 2, it is characterized in that, the thickness of described organosilicon film is 10-15 μm.
4. superslide silicone catheter as claimed in claim 1, it is characterized in that, described organosilicon film be organic silicon emulsion containing tetramethyl polysiloxanes, polymethyl hydrogen siloxane and amido silicon oil on the surface of described pipe shaft, 5-25 μm of thick film layers being formed of described discharge opeing and the surface of fluid injection joint and the surface grafting of described sacculus.
5. superslide silicone catheter as claimed in claim 1, it is characterized in that, described organosilicon film be organic silicon emulsion containing tetramethyl polysiloxanes, polymethyl hydrogen siloxane, amido silicon oil, octamethylcy-clotetrasiloxane and Siloxane-Oxyalkylene Copolymers on the surface of described pipe shaft, 5-25 μm of thick film layers being formed of described discharge opeing and the surface of fluid injection joint and the surface grafting of described sacculus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839568.8U CN204428600U (en) | 2014-12-26 | 2014-12-26 | A kind of superslide silicone catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839568.8U CN204428600U (en) | 2014-12-26 | 2014-12-26 | A kind of superslide silicone catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204428600U true CN204428600U (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420839568.8U Active CN204428600U (en) | 2014-12-26 | 2014-12-26 | A kind of superslide silicone catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204428600U (en) |
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2014
- 2014-12-26 CN CN201420839568.8U patent/CN204428600U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |