CN204073051U - A kind of novel sacculus catheter - Google Patents
A kind of novel sacculus catheter Download PDFInfo
- Publication number
- CN204073051U CN204073051U CN201420456999.6U CN201420456999U CN204073051U CN 204073051 U CN204073051 U CN 204073051U CN 201420456999 U CN201420456999 U CN 201420456999U CN 204073051 U CN204073051 U CN 204073051U
- Authority
- CN
- China
- Prior art keywords
- inner tube
- tube
- tract
- skin
- sacculus
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Materials For Medical Uses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a kind of novel sacculus catheter, comprise body, described body comprises inner tube and is wrapped in the skin on described inner tube surface, balloon tube is provided with between described inner tube and skin, in the tube wall of described inner tube, be provided with the sacculus be communicated with described balloon tube fill tract, described inner tube is thermoplastic material, and described skin is thermosets.This utility model aims to provide and a kind ofly can ensure that liquid drain tract and sacculus fill that tract is unimpeded, the novel sacculus catheter of difficulty of processing when reducing medical-risk when product uses and Product processing.
Description
Technical field
This utility model relates to a kind of medical instruments field, particularly a kind of thermoplastic material and thermosets MULTILAYER COMPOSITE saccule urinary catheter.
Background technology
Existing medical balloon catheter is many to be made up of single hot set property material, such as natural emulsion, silicone rubber etc.
The existing saccule urinary catheter sacculus hot strength with natural emulsion making is good, pipe shaft is soft flexible to be widely used by clinical, but also there is natural defect due to the problem of technique and material in the saccule urinary catheter that this kind of material makes, such as: (1) can stretch when sacculus fills the flow that sacculus position body causes this site fluid drain tract to diminish when affecting liquid drain, (2) for guaranteeing external diameter and the internal diameter conformance with standard of pipe shaft, existing emulsion ball-bag catheter fill tract less than normal cause sacculus full and emptying time resistance more easy to operate, (3) be resilient because sacculus fills tract, Clinical practice terminate rear sacculus emptying operation time easily produce negative pressure cause sacculus fill tract adhesion blocking cannot be emptying risk long-term existence.
The emulsion ball-bag catheter body be widely used at present is as shown in Figure 1:
201 is bodys, and 205 is sacculus, and 203 is liquid drain tracts, and 207 is that sacculus fills and emptying tract, and 206 is the joints be connected with body 201.
Utility model content
Main purpose of the present utility model is to provide and a kind ofly can ensures that liquid drain tract and sacculus fill that tract is unimpeded, the novel sacculus catheter of difficulty of processing when reducing medical-risk when product uses and Product processing.
The technical scheme that this utility model provides 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, balloon tube is provided with between described inner tube and skin, in the tube wall of described inner tube, be provided with the sacculus be communicated with described balloon tube fill tract, described inner tube is thermoplastic material, and described skin is thermosets.
In above-mentioned novel sacculus catheter, described inner tube is made up of 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.
In above-mentioned novel sacculus catheter, described inner tube is made up of the thermoplastic material of at least one deck.
In above-mentioned novel sacculus catheter, be provided with the inner tube epidermis be made up of at least one deck thermosets between described inner tube and skin, described balloon tube is located between the inner tube epidermis of described inner tube and skin.
In above-mentioned novel sacculus catheter, in the tube wall of described inner tube, be also provided with one or more not connected tract.
In above-mentioned novel sacculus catheter, described balloon tube is made up of natural rubber or silicone rubber.
In above-mentioned novel sacculus catheter, described skin is made up of one or more layers of thermosets.
In above-mentioned novel sacculus catheter, described thermosets is made up 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 dielectric layer and described inner tube with skin be connected by dielectric layer, or the outer surface of described inner tube is the upgrading face by obtaining after plasma wind or corona PROCESS FOR TREATMENT, described inner tube is connected with skin by upgrading face.
In above-mentioned novel sacculus catheter, described dielectric layer is one or more the mixture in 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 many contractings amino acid sodium, carboxymethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose, acrylic resin, terpene resin, ethylene-vinyl acetate copolymer.
This utility model makes inner tube by adopting thermoplastic material, and adopt thermosets to make outer, the sacculus in inner tube tube wall fills tract and is communicated with balloon tube.The thermosets that the thermoplastic material that this utility model is selected adopts compared to this utility model, have that intensity is large, support force is strong, under identical negative pressure, the pipeline that thermoplastic material is formed has the little feature of deformation rate, what is more important, the inner tube that the feature of thermoplastic material itself determines this programme can adopt to be extruded operation and completes, and overcomes the problem that traditional handicraft needs repeatedly impregnation, complex procedures, labor intensive.These characteristics also determine this programme also tool have the following advantages:
1, under the condition of certain catheter external diameter, liquid drain tract can be larger;
2, when the pipe thickness of catheter is determined, in the tube wall of inner tube, sacculus fills the sectional area of tract compared to traditional thermosets, it is larger that its sectional area can make, simultaneously, intensity, the elasticity of catheter there is no variation, which reduce the pressure in pipeline in balloon tube topping up or discharge opeing process;
3, when balloon tube fills liquid, liquid drain tract can not stretch because of the expansion of balloon tube and the inner tube of balloon tube coupling part, that is, 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 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, can well be solved by this programme;
4, when this saccule urinary catheter takes out by needs from urethra, need in advance the liquid in balloon tube to be discharged, in the process, sacculus fills tract and is in negative pressure state, but the sacculus of this programme fills tract to be in the wall of inner tube, its intensity is better than thermosets, even and if just in case the tube wall that sacculus fills tract under excessive negative pressure comes in contact or extrudes, also seldom there will be thermosets and paste the problem cannot separated together.
Accompanying drawing explanation
Fig. 1 is the structure chart of the existing catheter described in background parts of the present utility model;
Fig. 2 is the structural representation of balloon tube under topping up state of specific embodiment of the utility model 1;
Fig. 3 is the A-A sectional view of balloon tube under topping up state of specific embodiment of the utility model 1;
Fig. 4 is the structural representation of balloon tube under non-topping up state of specific embodiment of the utility model 1;
Fig. 5 is the structural representation of balloon tube under topping up state of specific embodiment of the utility model 2;
Fig. 6 is the B-B sectional view of balloon tube under topping up state of specific embodiment of the utility model 2;
Fig. 7 is the partial enlarged drawing of the part A of balloon tube under topping up state of specific embodiment of the utility model 2.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical solution of the utility model is described in further detail, but does not form any restriction of the present utility model.
Embodiment 1
As shown in Figures 2 to 4, a kind of novel sacculus catheter, comprise body 1, liquid drain tract 1A is provided with and sacculus fills tract 1B in described body 1, described body 1 comprises inner tube 11, balloon tube 12 and outer 13, described sacculus to fill in tube wall that tract 1B is arranged on described inner tube 11 and is communicated with balloon tube 12, described sacculus fills tract 1B and 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 surface, described balloon tube 12 is arranged between described inner tube 11 and outer 13, it is more particularly the afterbody being arranged on body 1, wherein, described inner tube 11 is thermoplastic material, described skin 13 is thermosets.In practical application, be not restricted to only have sacculus to fill tract 1B in the tube wall of inner tube 11, it can also have one or more independently not connected tract, as the cleanout fluid tract for being full of cleanout fluid to intravesical, tract of the temperature-sensing probe of detection intravesical temperature etc. can also be had, in the present embodiment, do not do too much restriction to this, the intravesical tract that acts on conventional in this area is all included in the scope of the present embodiment.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 thermoplastic 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 12 is made up of natural rubber or silicone rubber.
In the present embodiment, inner tube 11 is formed by one or more layers of thermoplastic material, when inner tube 11 is one deck, can complete by once extruding operation, inner tube 11 is extruding in operation the making completing and liquid drain tract 1A and sacculus are filled to tract 1B, one-shot forming, technique is simple.Certain inner tube 11 also can adopt multilamellar plastic material to bond layer by layer and form, although technique is compared to one-time formed complex process like this, but when balloon tube fills liquid, the amplitude that the inner tube distortion of balloon tube position stretches is less, and the liquid drain tract 1A deformation rate at this position is extremely small.In addition, outer 13 also can be made up of one or more layers of thermosets, do not do too much restriction to this present embodiment.
In actual applications, the mode connected between inner tube 11 and outer 13 mainly contains following two kinds:
1, as shown in Figure 3, connected by dielectric layer 14, in actual applications, dielectric layer 14 is very thin, only represent with a curve in figure 3, 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, oleoyl chloride many contractings amino acid sodium, carboxymethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose, acrylic resin, terpene resin, one or more mixture in ethylene-vinyl acetate copolymer, generally, above-mentioned material is coated in inner tube 11 as a solution, then it is connected with outer 13, connect respond well.
2, inner tube 11 obtains upgrading face by plasma wind or corona PROCESS FOR TREATMENT, and is connected with outer 13 by upgrading face; By the surface modification to inner tube 11, improve surface adhesion, reach close-connected object between inner tube 11 and outer 13.It should be noted that, corona technique refers to and utilizes altofrequency high voltage at processed frosting corona discharge (high-frequency ac voltage is up to 5000-15000V/m2), and produce low temperature plasma, frosting is made to produce radical reaction and that polymer is occurred is crosslinked. surface is roughening and increase its wettability to polar solvent-these gas ions by shocking by electricity and penetrating into and destroyed its molecular structure by frosting, and then by the oxidation of processed surface molecular and polarization, ion electric shock erosion surface, so that increase the adhesive ability on surface.
3, inner tube 11 is connected with outer 13 by then utilizing dielectric layer 14 after plasma wind or corona PROCESS FOR TREATMENT; Dielectric layer 14 described here is consistent with the composition of the above dielectric layer 14 of mode 1, specifically can with reference to mode 1.
In the present embodiment, balloon tube 12 is also be bonded in the periphery of inner tube 1 by any one in above-mentioned 3 kinds of modes.
In the fabrication process, first by once extruding preparation inner tube 11, be connected with balloon tube 12 after then carrying out process by above-mentioned three kinds of modes, and then repeatedly impregnation preparation outer 13, last erection joint 16 and surface siliconization process, obtain finished product.
In the present embodiment, inner tube 11 and outer 13 are achieved by above-mentioned technique and structure, compact siro spinning technology between balloon tube 12, in actual applications, this novel sacculus catheter is inserted in the bladder of patient when balloon tube 12 does not have topping up along urethra, then slowly liquid is injected to balloon tube 12, to reach the object of fixing catheter, in the process, due to the feature of the thermoplastic material of the inner tube 11 of the present embodiment, sectional area that tract 1B fills tract than the sacculus of traditional catheter is large to cause sacculus to fill, the process resistance injecting liquid is little, patient feels good.When after balloon tube topping up, the intensity due to inner tube becomes large, and not easily stretched by the balloon tube 12 after topping up, liquid drain tract 1A is without significant change.
In normal use procedure, if the posture of patient or under suppressing and urinating the extruded situation of catheter that causes, the inner wall strength that liquid drain tract 1A and sacculus fill tract 1B is larger, its inwall is not easy to be extruded and is close together, even if under very special circumstances, catheter is subject to king-sized pressure, and inwall is close together for a long time, and its probability be bonded together is also extremely low.
If need in use for some time to remove, doctor only needs to be filled after the liquid in balloon tube 12 is discharged by tract 1B by sacculus to be taken out by catheter, this process very easily occurs that in traditional catheter sacculus fills tract 1B and to be obstructed the problem that liquid cannot discharge, but in the present embodiment, the sectional area filling tract 1B due to sacculus becomes large, negative pressure diminishes, and the thermoplastic 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 causes is very smooth and easy when discharging, there will not be sacculus to fill tract 1B and block the problem of needs by operation taking-up.
Embodiment 2
As shown in Figures 5 to 7, the present embodiment is roughly the same with embodiment 1, different places is, be provided with the inner tube epidermis 15 of one or more layers thermosets composition between described inner tube 11 and outer 13, described balloon tube 12 is connected with described inner tube epidermis 15.Accordingly, its manufacturing process and embodiment 1 slightly different, first by once extruding preparation inner tube 11, then undertaken processing rear impregnation by above-mentioned three kinds of modes and prepare inner tube epidermis, then balloon tube 12 is fixed by socket, and then repeatedly impregnation preparation outer 13, last erection joint 16 and surface siliconization process, obtain finished product.
The benefit of such setting is, inner tube 11 only needs to be connected with inner tube epidermis 15 by single treatment, without the need to being directly connected with balloon tube 12, the processing mode of the inner tube 11 in the present embodiment is identical with the three kinds of processing modes connected in embodiment 1, balloon tube 12 is owing to being also thermosets, connection difficulty between itself and inner tube 15 epidermis reduces greatly, and the fixation degree of balloon tube 12 increases, and the present embodiment effectively reduces manufacture difficulty.
Above-describedly be only preferred embodiment of the present utility model, all do in spirit of the present utility model and spirit any amendment, equivalently to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
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, balloon tube is provided with between described inner tube and skin, in the tube wall of described inner tube, be provided with the sacculus be communicated with described balloon tube fill tract, described inner tube is thermoplastic material, and described skin is thermosets.
2. novel sacculus catheter according to claim 1, is characterized in that, described inner tube is made up of the thermoplastic material of at least one deck.
3. novel sacculus catheter according to claim 2, it is characterized in that, be provided with the inner tube epidermis be made up of at least one deck thermosets between described inner tube and skin, described balloon tube is located between the inner tube epidermis of described inner tube and skin.
4. novel sacculus catheter according to claim 1, is characterized in that, is also provided with one or more not connected tract in the tube wall of described inner tube.
5. novel sacculus catheter according to claim 1, is characterized in that, described balloon tube is made up of natural rubber or silicone rubber.
6. novel sacculus catheter according to claim 1, is characterized in that, described skin is made up of one or more layers of thermosets.
7. novel sacculus catheter according to claim 1, it is characterized in that, also comprise dielectric layer and described inner tube with skin be connected by dielectric layer, or, the outer surface of described inner tube is the upgrading face by obtaining after plasma wind or corona PROCESS FOR TREATMENT, and described inner tube is connected with skin by upgrading face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456999.6U CN204073051U (en) | 2014-08-13 | 2014-08-13 | A kind of novel sacculus catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456999.6U CN204073051U (en) | 2014-08-13 | 2014-08-13 | A kind of novel sacculus catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204073051U true CN204073051U (en) | 2015-01-07 |
Family
ID=52165822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420456999.6U Withdrawn - After Issue CN204073051U (en) | 2014-08-13 | 2014-08-13 | A kind of novel sacculus catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204073051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127951A (en) * | 2014-08-13 | 2014-11-05 | 广州维力医疗器械股份有限公司 | Novel balloon urethral catheter |
-
2014
- 2014-08-13 CN CN201420456999.6U patent/CN204073051U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127951A (en) * | 2014-08-13 | 2014-11-05 | 广州维力医疗器械股份有限公司 | Novel balloon urethral catheter |
| CN104127951B (en) * | 2014-08-13 | 2017-05-17 | 广州维力医疗器械股份有限公司 | Balloon urethral catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104127951B (en) | Balloon urethral catheter | |
| CN201481955U (en) | Non-transition deformation medical catheter | |
| CN102363061B (en) | Anti-blockage easily inserted three-cavity catheter device | |
| CN206228749U (en) | A kind of double capsule dilators of figuration | |
| CN204073051U (en) | A kind of novel sacculus catheter | |
| CN204446938U (en) | Single use multifunctional flushing drainage catheter | |
| CN209519221U (en) | A kind of Urology Surgery post-treatment catheters | |
| CN202427029U (en) | Anti-embedding type drainage tube | |
| JP6461539B2 (en) | balloon | |
| CN204246641U (en) | A kind of reinforced peritoneal cavity drainage tube | |
| CN202113477U (en) | Drainage device for washing wound surface and attracting negative pressure | |
| CN202376600U (en) | Anti-blocking and easy-inserting type three-cavity urinary catheterization device | |
| CN204428599U (en) | Without capsule indwelling catheter | |
| WO2008022492A1 (en) | Urine-leading device | |
| CN209996995U (en) | novel guide wires | |
| CN204072182U (en) | Film type otch retracts dilator | |
| CN208756765U (en) | Concha nasalis inferior medicine applying instrument | |
| CN209187863U (en) | A kind of uterus filling sacculus with inducting device | |
| CN206228758U (en) | A kind of dilator with the folded utricule of receipts | |
| CN104474625A (en) | Bag-free indwelling catheter | |
| CN205084166U (en) | Medical catheter stopper | |
| CN201353219Y (en) | Bronchial occlusion device | |
| CN216703074U (en) | Be applied to orthopedics suppurative arthritis washing unit | |
| CN210355460U (en) | Multi-functional slot negative pressure abdominal cavity drainage tube of improvement type | |
| CN204684426U (en) | Cover the irrigation drainage tube of anastomotic stoma front and rear wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20170517 |
|
| AV01 | Patent right actively abandoned |