CN104127951A - Novel balloon urethral catheter - Google Patents
Novel balloon urethral catheter Download PDFInfo
- Publication number
- CN104127951A CN104127951A CN201410398261.3A CN201410398261A CN104127951A CN 104127951 A CN104127951 A CN 104127951A CN 201410398261 A CN201410398261 A CN 201410398261A CN 104127951 A CN104127951 A CN 104127951A
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- inner tube
- tube
- described inner
- styrene
- balloon
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Abstract
The invention discloses a novel balloon urethral catheter which comprises a catheter body. The catheter body comprises an inner layer catheter tube and an outer layer wrapping the surface of the inner layer catheter tube, a balloon tube is arranged between the inner layer catheter tube and the outer layer, a balloon filling cavity channel communicated with the balloon tube is formed in the catheter wall of the inner layer catheter tube, the inner layer catheter tube is made of thermoplastic materials, and the outer layer is made of thermosetting materials. The novel balloon urethral catheter is capable of guaranteeing smoothness of a liquid drainage cavity channel and the balloon filling cavity channel, and lowering medical risks when products are used and machining difficulty when the products are machined.
Description
Technical field
The present invention relates to a kind of medical instruments field, particularly a kind of thermoplasticity material and thermosets MULTILAYER COMPOSITE saccule urinary catheter.
Background technology
Existing medical balloon catheter is many to be made by single hot set property material, such as natural emulsion, silicone rubber etc.
Existing saccule urinary catheter sacculus hot strength made from natural emulsion is good, pipe shaft is soft flexible to be widely used by clinical, but the saccule urinary catheter of this kind of material making is because the problem of technique and material also exists natural defect, such as: (1) the sacculus position body flow while causing this position liquid drain tract to diminish affecting liquid drain that can stretch when sacculus is full, (2) for guaranteeing external diameter and the internal diameter conformance with standard of pipe shaft, the full tract of existing emulsion ball-bag catheter is less than normal cause sacculus full and when emptying resistance more easy to operate, (3) because the full tract of sacculus is resilient, when clinical use finishes the emptying operation of rear sacculus, easily producing negative pressure causes sacculus to fill the risk long-term existence that tract adhesion obstruction cannot be emptying.
The emulsion ball-bag catheter body being widely used is at present as shown in Figure 1:
The 201st, body, the 205th, sacculus, the 203rd, liquid drain tract, the 207th, sacculus fills and emptying tract, and the 206th, the joint being connected with body 201.
Summary of the invention
Main purpose of the present invention is to provide the novel sacculus catheter of the difficulty of processing that a kind of medical-risk can guarantee that the full tract of liquid drain tract and sacculus is unimpeded, reduce product and use time and product add man-hour.
Technical scheme provided by the invention is: a kind of novel sacculus catheter, comprise body, described body comprises inner tube and is wrapped in the skin on described inner tube surface, between described inner tube and skin, be provided with balloon tube, in the tube wall of described inner tube, be provided with the full tract of the sacculus being communicated with described balloon tube, described inner tube is thermoplasticity material, and described skin is thermosets.
In above-mentioned novel sacculus catheter, described inner tube is that one or more the mixture by polrvinyl chloride, polyvinyl dichloride, Low Density Polyethylene, linear low density polyethylene, metallocene PE, high density polyethylene (HDPE), polypropylene, thermoplastic elastomer (TPE), polyurethane, styrene butadiene styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer, styrene-ethylene-propylene-styrene type block copolymer forms.
In above-mentioned novel sacculus catheter, described inner tube is comprised of the thermoplasticity material of one deck at least.
In above-mentioned novel sacculus catheter, between described inner tube and skin, be provided with by the inner tube epidermis that at least one deck thermosets forms, described balloon tube is provided in a side of between the inner tube epidermis and skin of described inner tube.
In above-mentioned novel sacculus catheter, in the tube wall of described inner tube, be also provided with one or more not connected tracts.
In above-mentioned novel sacculus catheter, described balloon tube is to consist of natural rubber or silicone rubber.
In above-mentioned novel sacculus catheter, described skin is comprised of one or more layers of thermosets.
In above-mentioned novel sacculus catheter, described thermosets consists of one or more mixture of natural rubber, silicone rubber, polyisoprene rubber, butyl rubber, nitrile rubber, butadiene-styrene rubber, neoprene.
In above-mentioned novel sacculus catheter, also comprise that dielectric layer and described inner tube are connected by dielectric layer with outer, or described inner tube is connected after by plasma or corona PROCESS FOR TREATMENT with skin.
In above-mentioned novel sacculus catheter, described dielectric layer is one or more the mixture that lime nitrate, calcium carbonate, fatty acid methyl ester ethoxylate sulfonate, dodecyl sodium sulfate, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, fatty alcohol-polyoxyethylene ether, polyxyethylated acyl hydramine, glyceryl monostearate, polyacrylamide, oleoyl chloride contract in aminoacid sodium, carboxymethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose, acrylic resin, terpene resin, ethylene-vinyl acetate copolymer more.
The present invention, by adopting thermoplasticity material to make inner tube, adopts thermosets to make outer, and the full tract of sacculus in inner tube tube wall is communicated with balloon tube.The thermosets that the thermoplasticity material that the present invention selects adopts than the present invention, have that intensity is large, support force is strong, under identical negative pressure, the pipeline that thermoplasticity material forms has the advantages that deformation rate is little, what is more important, the feature of thermoplasticity material itself determined that the inner tube of this programme can adopt and extruded operation and complete, and having overcome traditional handicraft needs the repeatedly problem of impregnation, complex procedures, labor intensive.These characteristics also determining this programme also tool have the following advantages:
1, under the condition of certain catheter external diameter, liquid drain tract can be larger;
2, in the situation that the pipe thickness of catheter is definite, in the tube wall of inner tube, the sectional area of the full tract of sacculus is than traditional thermosets, it is larger that its sectional area can be made, simultaneously, intensity, the elasticity of catheter there is no variation, have reduced like this pressure in pipeline in balloon tube topping up or discharge opeing process;
3, the in the situation that of the full liquid of balloon tube, the liquid drain tract inner tube with balloon tube coupling part that can not stretch because of the expansion of balloon tube, that is to say, the liquid drain tract of balloon tube position can not be stretched, such benefit is just, in use, localized liquid drain tract can not narrow down because of the expansion of balloon tube; This point is that technical staff wants to overcome and the problem that could not overcome always in the art, by this programme, can well solve;
4, when needs take out this saccule urinary catheter from urethra, need in advance the liquid in balloon tube be discharged, in this process, the full tract of sacculus is in negative pressure state, but in the wall of the full tract of the sacculus of this programme in inner tube, its intensity is better than thermosets, even and just in case under excessive negative pressure the tube wall of the full tract of sacculus come in contact or push, also seldom there will be thermosets to paste the problem that together cannot separate.
Accompanying drawing explanation
Fig. 1 is the structure chart of the existing catheter described in background parts of the present invention;
Fig. 2 is the balloon tube of specific embodiments of the invention 1 structural representation under topping up state;
Fig. 3 is the balloon tube of the specific embodiments of the invention 1 A-A cutaway view under topping up state;
Fig. 4 is the balloon tube of specific embodiments of the invention 1 structural representation under topping up state not;
Fig. 5 is the balloon tube of specific embodiments of the invention 2 structural representation under topping up state;
Fig. 6 is the balloon tube of the specific embodiments of the invention 2 B-B cutaway view under topping up state;
Fig. 7 is the partial enlarged drawing of the balloon tube of the specific embodiments of the invention 2 A part under topping up state.
The specific embodiment
Below in conjunction with the specific embodiment, technical scheme of the present invention is described in further detail, but does not form any limitation of the invention.
Embodiment 1
As shown in Figures 2 to 4, a kind of novel sacculus catheter, comprise body 1, in described body 1, be provided with the full tract 1B of liquid drain tract 1A and sacculus, described body 1 comprises inner tube 11, balloon tube 12 and outer 13, the full tract 1B of described sacculus is arranged in the tube wall of described inner tube 11 and is communicated with balloon tube 12, the full tract 1B of described sacculus is arranged in the tube wall of inner tube 11, and the end of inserting one end of bladder in inner tube is provided with inlet opening 111, described skin 13 is wrapped in described inner tube 11 surfaces, described balloon tube 12 is arranged between described inner tube 11 and outer 13, more particularly be arranged on the afterbody of body 1, wherein, described inner tube 11 is thermoplasticity material, described skin 13 is thermosets.In practical application, in the tube wall of inner tube 11, be not restricted to only have sacculus to fill tract 1B, it can also have one or more independently not connected tracts, as the cleanout fluid tract for to intravesical injection cleanout fluid, can also there is tract of the temperature-sensing probe of surveying intravesical temperature etc., in the present embodiment, this is not done to too much restriction, conventional acting in the scope that intravesical tract is all included in the present embodiment in this area.In the present embodiment, as shown in Figure 4, the operating side of body 1 is connected with joint 16, and this joint 16 has several tracts, a tract in the corresponding body 1 of each tract difference.
In the present embodiment, described thermoplasticity material can be chosen as one or more mixture of polrvinyl chloride, polyvinyl dichloride, Low Density Polyethylene, linear low density polyethylene, metallocene PE, high density polyethylene (HDPE), polypropylene, thermoplastic elastomer (TPE), polyurethane, styrene butadiene styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer, styrene-ethylene-propylene-styrene type block copolymer; Described thermosets can be chosen as one or more mixture of natural rubber, silicone rubber, polyisoprene rubber, butyl rubber, nitrile rubber, butadiene-styrene rubber, neoprene; Described balloon tube is to consist of natural rubber or silicone rubber.
In the present embodiment, inner tube 11 is formed by one or more layers of thermoplasticity material, when inner tube 11 is one deck, by once extruding operation, can complete, inner tube 11 completes the making to liquid drain tract 1A and the full tract 1B of sacculus in extruding operation, one-shot forming, technique is simple.Certainly inner tube 11 also can adopt multilamellar plastic material to bond and form layer by layer, although technique is than one-time formed complex process like this, but when the full liquid of balloon tube, the amplitude that the inner tube distortion of balloon tube 12 positions stretches is less, and the liquid drain tract 1A deformation rate at this position is extremely small.In addition, outer 13 also can be comprised of one or more layers of thermosets, and this present embodiment is not done to too much restriction.
In actual applications, the mode connecting between inner tube 11 and outer 13 mainly contains following two kinds:
1, as shown in Figure 3, by dielectric layer 14, connect, in actual applications, dielectric layer 14 is very thin, in Fig. 3 only with a curve representation, described dielectric layer 14 is lime nitrate, calcium carbonate, fatty acid methyl ester ethoxylate sulfonate, dodecyl sodium sulfate, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, fatty alcohol-polyoxyethylene ether, polyxyethylated acyl hydramine, glyceryl monostearate, polyacrylamide, the oleoyl chloride aminoacid sodium that contracts more, carboxymethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose, acrylic resin, terpene resin, the mixture of one or more in ethylene-vinyl acetate copolymer, generally, above-mentioned material is coated in inner tube 11 with the form of solution, then it is connected with outer 13, connect respond well.
2, inner tube 11 is passed through to be connected with outer 13 after plasma wind or corona PROCESS FOR TREATMENT; By the surface modification to inner tube 11, improve surface adhesion, reach close-connected object between inner tube 11 and outer 13.Corona technique refers to utilizes altofrequency high voltage at processed frosting corona discharge (high-frequency ac voltage is up to 5000-15000V/m2), and generation low temperature plasma, make frosting produce radical reaction and that polymer is occurred is crosslinked. surperficial roughening also increases it wettability of polar solvent-these gas ions is destroyed to its molecular structure by shocking by electricity and penetrating into by frosting, and then by processed surface molecular oxidation and polarization, ion electric shock erosion surface, so that increase surperficial adhesive ability.
3, then inner tube 11 utilizes after by plasma wind or corona PROCESS FOR TREATMENT dielectric layer 14 to be connected with outer 13; The composition of dielectric layer 14 described here and the dielectric layer 14 of mode 1 is above consistent, specifically can be with reference to mode 1.
In the present embodiment, balloon tube 12 is also by any periphery that is bonded in inner tube 1 in 3 kinds of above-mentioned modes.
In manufacture process, first pass through once extruding preparation inner tube 11, after then processing by above-mentioned three kinds of modes, be connected with balloon tube 12, and then repeatedly impregnation to be prepared skin 13, last erection joint 16 and surface siliconization are processed, and obtain finished product.
In the present embodiment, by above-mentioned technique and structure, inner tube 11 and outer 13 have been realized, tight connection between balloon tube 12, in actual applications, this novel sacculus catheter is not inserted in patient's bladder along urethra in the situation that balloon tube 12 has topping up, then slowly to balloon tube 12 filling liquids, to reach the fixedly object of catheter, in this process, feature due to the thermoplasticity material of the inner tube 11 of the present embodiment, cause the full tract 1B of sacculus larger than the sectional area of the full tract of the sacculus of traditional catheter, the process resistance of filling liquid is little, patient feels good.After sacculus topping up, because the intensity change of inner tube is large, be difficult for being stretched by the balloon tube 12 after topping up, liquid drain tract 1A is without significant change.
In normal use procedure, if patient's posture or suppress in the extruded situation of catheter that causes of urine, the inwall intensity of the full tract 1B of liquid drain tract 1A and sacculus is larger, its inwall is not easy to be extruded and is close together, even very special in the situation that, catheter is subject to king-sized pressure, and inwall is close together for a long time, and its probability being bonded together is also extremely low.
If needed in use for some time, remove, doctor only need to be filled after tract 1B discharges the liquid in balloon tube 12 catheter is taken out by sacculus, the problem that this process very easily occurs being obstructed the full tract of sacculus liquid cannot discharge in traditional catheter, but in the present embodiment, because the sectional area change of the full tract 1B of sacculus is large, negative pressure diminishes, and the thermoplasticity material in the present embodiment under identical negative pressure deformation behavior far away due to traditional catheter, comprehensive like this balloon tube 12 liquid of the present embodiment that cause are very smooth and easy when discharging, there will not be the full tract 1B of sacculus to stop up the problem that needs take out by operation.
Embodiment 2
As shown in Figures 5 to 7, the present embodiment and embodiment 1 are roughly the same, different places are, between described inner tube 11 and outer 13, are provided with the inner tube epidermis 15 that one or more layers thermosets forms, and described balloon tube 12 is connected with described inner tube epidermis 15.Accordingly, its manufacturing process and embodiment 1 are slightly different, first by once pushing preparation inner tube 11, then by above-mentioned three kinds of modes, process rear impregnation and prepare inner tube epidermis 15, then be fixed by socket balloon tube 12, and then repeatedly impregnation is prepared skin 13, last erection joint 16 and surface siliconization are processed, and obtain finished product.
The benefit arranging is like this, 11 needs of inner tube can be connected with inner tube epidermis 15 by single treatment, without being directly connected with balloon tube 12, the processing mode of the inner tube 11 in the present embodiment is identical with three kinds of processing modes that connect in embodiment 1, balloon tube 12 is owing to being also thermosets, connection difficulty between itself and inner tube 15 epidermises reduces greatly, and the fixation degree of balloon tube 12 increases, and the present embodiment effectively reduces manufacture difficulty.
Above-described is only preferred embodiment of the present invention, all any modifications of doing within the scope of the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a novel sacculus catheter, comprise body, it is characterized in that, described body comprises inner tube and is wrapped in the skin on described inner tube surface, between described inner tube and skin, be provided with balloon tube, in the tube wall of described inner tube, be provided with the full tract of the sacculus being communicated with described sacculus, described inner tube is thermoplasticity material, and described skin is thermosets.
2. novel sacculus catheter according to claim 1, it is characterized in that, described inner tube is that one or more the mixture by polrvinyl chloride, polyvinyl dichloride, Low Density Polyethylene, linear low density polyethylene, metallocene PE, high density polyethylene (HDPE), polypropylene, thermoplastic elastomer (TPE), polyurethane, styrene butadiene styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer, styrene-ethylene-propylene-styrene type block copolymer forms.
3. novel sacculus catheter according to claim 1, is characterized in that, described inner tube is comprised of the thermoplasticity material of one deck at least.
4. novel sacculus catheter according to claim 3, it is characterized in that, between described inner tube and skin, be provided with by the inner tube epidermis that at least one deck thermosets forms, described balloon tube is provided in a side of between the inner tube epidermis and skin of described inner tube.
5. novel sacculus catheter according to claim 1, is characterized in that, is also provided with one or more not connected tracts in the tube wall of described inner tube.
6. novel sacculus catheter according to claim 1, is characterized in that, described balloon tube is to consist of natural rubber or silicone rubber.
7. novel sacculus catheter according to claim 1, is characterized in that, described skin is comprised of one or more layers of thermosets.
8. novel sacculus catheter according to claim 1, it is characterized in that, described thermosets consists of one or more mixture of natural rubber, silicone rubber, polyisoprene rubber, butyl rubber, nitrile rubber, butadiene-styrene rubber, neoprene.
9. novel sacculus catheter according to claim 1, is characterized in that, also comprises that dielectric layer and described inner tube are connected by dielectric layer with outer, or described inner tube is connected with skin after by plasma or corona PROCESS FOR TREATMENT.
10. novel sacculus catheter according to claim 9, it is characterized in that, described dielectric layer is lime nitrate, calcium carbonate, fatty acid methyl ester ethoxylate sulfonate, dodecyl sodium sulfate, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, fatty alcohol-polyoxyethylene ether, polyxyethylated acyl hydramine, glyceryl monostearate, polyacrylamide, the oleoyl chloride aminoacid sodium that contracts more, carboxymethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose, acrylic resin, terpene resin, the mixture of one or more in ethylene-vinyl acetate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398261.3A CN104127951B (en) | 2014-08-13 | 2014-08-13 | Balloon urethral catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398261.3A CN104127951B (en) | 2014-08-13 | 2014-08-13 | Balloon urethral catheter |
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| CN104127951A true CN104127951A (en) | 2014-11-05 |
| CN104127951B CN104127951B (en) | 2017-05-17 |
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| CN201410398261.3A Active CN104127951B (en) | 2014-08-13 | 2014-08-13 | Balloon urethral catheter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368078A (en) * | 2014-11-26 | 2015-02-25 | 广州维力医疗器械股份有限公司 | Sacculus catheter and preparing methods thereof |
| CN104784808A (en) * | 2015-05-04 | 2015-07-22 | 广州维力医疗器械股份有限公司 | Preparation technology for novel saccule urethral catheter and novel saccule urethral catheter obtained by adopting same technology |
| CN104826215A (en) * | 2015-05-25 | 2015-08-12 | 陈劲松 | Once-formed binding type urethral catheter and production method thereof |
| CN105086035A (en) * | 2015-09-16 | 2015-11-25 | 上海希态卫生材料有限公司 | In-vitro catheter for male and manufacturing method of in-vitro catheter |
| CN109528319A (en) * | 2018-12-29 | 2019-03-29 | 天津美电医疗科技有限公司 | A kind of natural cavity protection sleeve pipe |
| CN113461882A (en) * | 2021-07-05 | 2021-10-01 | 淄博鲁华泓锦新材料股份有限公司 | Preparation method of styrene-isoprene-styrene block copolymer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368078A (en) * | 2014-11-26 | 2015-02-25 | 广州维力医疗器械股份有限公司 | Sacculus catheter and preparing methods thereof |
| CN104368078B (en) * | 2014-11-26 | 2018-02-27 | 广州维力医疗器械股份有限公司 | A kind of saccule urinary catheter and preparation method thereof |
| CN104784808A (en) * | 2015-05-04 | 2015-07-22 | 广州维力医疗器械股份有限公司 | Preparation technology for novel saccule urethral catheter and novel saccule urethral catheter obtained by adopting same technology |
| CN104826215A (en) * | 2015-05-25 | 2015-08-12 | 陈劲松 | Once-formed binding type urethral catheter and production method thereof |
| CN104826215B (en) * | 2015-05-25 | 2018-09-04 | 陈劲松 | One-pass molding cluster catheter and its production method |
| CN105086035A (en) * | 2015-09-16 | 2015-11-25 | 上海希态卫生材料有限公司 | In-vitro catheter for male and manufacturing method of in-vitro catheter |
| CN109528319A (en) * | 2018-12-29 | 2019-03-29 | 天津美电医疗科技有限公司 | A kind of natural cavity protection sleeve pipe |
| CN113461882A (en) * | 2021-07-05 | 2021-10-01 | 淄博鲁华泓锦新材料股份有限公司 | Preparation method of styrene-isoprene-styrene block copolymer |
| CN113461882B (en) * | 2021-07-05 | 2023-11-17 | 淄博鲁华泓锦新材料集团股份有限公司 | Preparation method of styrene-isoprene-styrene block copolymer |
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| Publication number | Publication date |
|---|---|
| CN104127951B (en) | 2017-05-17 |
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