CN101947346B - Catheter - Google Patents
Catheter Download PDFInfo
- Publication number
- CN101947346B CN101947346B CN2010102801010A CN201010280101A CN101947346B CN 101947346 B CN101947346 B CN 101947346B CN 2010102801010 A CN2010102801010 A CN 2010102801010A CN 201010280101 A CN201010280101 A CN 201010280101A CN 101947346 B CN101947346 B CN 101947346B
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- Prior art keywords
- catheter
- main pipe
- air bag
- tract
- main conduit
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Abstract
The invention discloses a catheter comprising a main conduit, the catheter and a urine outlet, wherein the catheter is arranged on the side wall of the top end of the main conduit, and the urine outlet is arranged on the tail end of the main conduit; the top end of the main conduit is positioned on the lower part of a catheterization hole and is provided with an inner fixed air sac; the main conduct is provided with an air sac cavity; one end of the air sac cavity is connected with the inner fixed air sac, and the other end of the air sac cavity forms an independent air sac path port on the tail end of the catheter; the top end of the main conduit is provided with a conducting wire path for inserting a conducting wire; the periphery of the conducting path is provided with bulges which are connected with the side wall of the main conduit and are used for preventing a metal bougie from breaking the catheter; the bulges are positioned on the upper part of the catheterization hole and form a whole with the top end of the main conduit; and the bulge is provided with one or a plurality of grooves for preventing the metal bougie from slipping. The invention has simple structure, reasonable design, perfect function, convenient operation, safe and reliable use, low production cost, good using effect and convenient popularization and use.
Description
Technical field
The present invention relates to a kind of medical apparatus, especially relate to a kind of catheter.
Background technology
Urethral catheterization is one of modal operation clinically, and the catheter of hospital's use at present is normally by the uniform soft catheter of the equal diameters wall thickness of material such as rubber or silica gel.But levy disease patients such as senile prostatic hypertrophy, prostatitis and injury of urethra; Because urethra traveling and flexibility change; Adopt common urethral catheterization mode to tend to difficult intubation in various degree occur, need the punctio vesicae fistulation behind the intubation defeat or use the metal urethral catheter urethral catheterization, because metal urethral catheter inconvenience keeps; The punctio vesicae fistulation is emergency operation again, thereby causes inconvenience in the real work.In order to reduce less patient suffering; Insert catheter smoothly; Usually several kinds of urethral catheterization modes below can adopting during execute-in-place:, in catheter, insert and have certain degree of hardness and elastic elbow metal bougie; Increase the hardness of catheter and change the curvature of catheter head, the shape that catheter is formed be similar to divulsor is inserted with convenient; Two, the hollow metal divulsor of opening aperture through cystourethroscopic epitheca or top is kept somewhere a zebra seal wire or black mud loach seal wire in urethra; Keep seal wire then and withdraw from dilator; Acanthopore passes catheter with seal wire at the ordinary urethral catheter top, follows seal wire and inserts catheter.Three, for the injury of urethra patient; Can adopt endoscope's direct-view down zebra seal wire or black mud loach seal wire to be inserted bladder through damage location; Keep seal wire then and withdraw from endoscope, acanthopore passes catheter with seal wire at the ordinary urethral catheter top, follows seal wire and inserts catheter.But in the prior art, the front end of catheter is enclosed, and acanthopore passes seal wire on the catheter top voluntarily to need the operator, and operation inconvenience is lost time, and careless manipulation also causes unnecessary pricking wound easily.And when adopting first kind of urethral catheterization mode, metal bougie hardness greatly, is very easily worn out catheter, and the patient is caused injury of urethra, or even actual bodily harm such as urethra perforation, has increased the risk of urethral catheterization.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art a kind of catheter to be provided, and it is simple in structure, reasonable in design; Complete function; Can either be easily use, can satisfy the needs of three kinds of different urethral catheterization modes again, can prevent effectively that metal bougie tip from wearing out catheter the patient is caused actual bodily harm as ordinary urethral catheter; Safe and reliable, be convenient to promote the use of.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of catheter; The urethral catheterization hole and the terminal urine outlet of main pipe that comprise main pipe, main pipe top sidewall; It is characterized in that: the bottom that said main pipe top is arranged in the urethral catheterization hole is provided with the said main pipe of internal fixation air bag and is provided with the air bag tract, and an end and the internal fixation air bag of said air bag tract join, and the other end of said air bag tract forms independently air bag passway at the catheter end; Said main pipe top is provided with the silk guide passage that is used to insert seal wire; Be provided with around the said silk guide passage and join with the main pipe sidewall and be used to prevent that the metal bougie from wearing out the convexity of catheter, said convexity be positioned at the urethral catheterization hole top and with the main pipe top be an integral body, said convexity is provided with one or more grooves that are used to prevent the slippage of metal bougie.
The top that said main pipe top is positioned at the urethral catheterization hole is provided with flushing hole, is provided with the flushing tract in the said main pipe, and an end and the flushing hole of said flushing tract are joined, and the other end of said flushing tract forms independently irrigation channel mouth at the catheter end.
Said groove is cylindrical a, hemispherical or around the annular of silk guide passage.
The present invention compared with prior art has the following advantages:
1, simple in structure, reasonable in design: the present invention in catheter body Front-end Design silk guide passage, the convenient seal wire that inserts; Also designed and be used to prop up the metal bougie; Prevent that the metal bougie from wearing out the convexity of catheter, and on convexity, be designed with one or more cylindrical or hemispherical groove that are used to prevent the slippage of metal bougie, can prevent effectively that the metal bougie from passing from silk guide passage or urethral catheterization hole; Simple in structure, reasonable in design.
2, complete function, safe and reliable: the present invention can either use as ordinary urethral catheter easily, is applicable to that common catheter is prone to the patient who inserts; Can be applicable to again because various pathological changes cause urethra traveling and flexibility to change, cause the patient of difficult intubation, can satisfy above-mentioned three kinds of urethral catheterization modes; Carry out urethral catheterization easily and safely; Avoided pricking wound that careless manipulation causes and to patient's injury of urethra, safe and reliable, complete function.
3, production cost is low, and result of use is good, is convenient to promote the use of: the present invention can not cause the increase of production cost to the structural improvement of catheter, the also perfect function of catheter, and result of use is good, is convenient to promote the use of.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation after the embodiment of the invention 1 is inserted elbow metal bougie.
Fig. 4 is the structural representation of the embodiment of the invention 2.
Fig. 5 is the B-B cutaway view of Fig. 4.
Fig. 6 is the structural representation after the embodiment of the invention 2 is inserted elbow metal bougie.
Fig. 7 is the structural representation of the embodiment of the invention 3.
Fig. 8 is the C-C cutaway view of Fig. 7.
Fig. 9 is the structural representation after the embodiment of the invention 3 is inserted elbow metal bougie.
Description of reference numerals:
The 1-main pipe; 2-urethral catheterization hole; The 3-urine outlet;
4-internal fixation air bag; 5-air bag tract; 6-air bag passway;
The 7-silk guide passage; 8-is protruding; The 9-flushing hole;
10-washes tract; 11-irrigation channel mouth; The 12-groove;
13-elbow metal bougie.
The specific embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; The present invention includes the urethral catheterization hole 2 of main pipe 1, main pipe 1 top sidewall and the urine outlet 3 of main pipe 1 end; It is characterized in that: the bottom that said main pipe 1 top is positioned at urethral catheterization hole 2 is provided with internal fixation air bag 4; Be provided with air bag tract 5 in the said main pipe 1, an end and the internal fixation air bag 4 of said air bag tract 5 join, and the other end of said air bag tract 5 forms independently air bag passway 6 at the catheter end; Said main pipe 1 top is provided with the silk guide passage 7 that is used to insert seal wire; Be provided with around the said silk guide passage 7 and join with main pipe 1 sidewall and be used to prevent that the metal bougie from wearing out the convexity 8 of catheter, said protruding 8 be positioned at urethral catheterization hole 2 top and with main pipe 1 top be an integral body, said protruding 8 are provided with a groove 12 that is used to prevent the slippage of metal bougie.
Said groove 12 is cylindrical or hemispherical, can prevent effectively that the metal bougie from passing from silk guide passage or urethral catheterization hole.
Like Fig. 4, Fig. 5 and shown in Figure 6; What present embodiment and embodiment 1 were different is: the top that said main pipe 1 top is positioned at urethral catheterization hole 2 also is provided with flushing hole 9; Be provided with flushing tract 10 in the said main pipe 1; One end and the flushing hole 9 of said flushing tract 10 are joined, and the other end of said flushing tract 10 forms independently irrigation channel mouth 11 at the catheter end; Said protruding 8 are provided with four grooves 12 that are used to prevent the slippage of metal bougie.All the other structures are identical with embodiment 1.
Embodiment 3
Like Fig. 7, Fig. 8 and shown in Figure 9, what present embodiment and embodiment 2 were different is: said groove 12 is the annular around silk guide passage.All the other structures are identical with embodiment 2.
When carrying out the urethral catheterization operation,, can directly this catheter per urethra be inserted bladder and carry out urethral catheterization if patient's urethra does not have pathological changes with catheter of the present invention; If the elongated distortion that attenuates of patient's urethra has three kinds of modes of operation, first kind: to catheter, insert one from urine outlet 3 and have certain degree of hardness and elastic elbow metal bougie 13; Increase the hardness of catheter and change the curvature of catheter head; Make catheter form the shape that is similar to divulsor, meet the physiological structure of urethra more, the convenient insertion; The head of this elbow metal bougie 13 withstands in the groove 12 that is arranged on protruding 8; Protruding 8 can prevent that elbow metal bougie 13 from wearing out catheter the patient is caused injury of urethra, and groove 12 can effectively prevent 13 slippages of elbow metal bougie, passes from silk guide passage 7 or urethral catheterization hole 2; Second kind: the hollow metal divulsor of opening aperture through cystourethroscopic epitheca or top is kept somewhere a zebra seal wire or black mud loach seal wire in urethra; Keep seal wire then and withdraw from dilator; Seal wire is penetrated catheter through the silk guide passage on the catheter of the present invention 7, and catheter follows seal wire and inserts urethra; The third: is for the injury of urethra patient; Can adopt endoscope's direct-view down zebra seal wire or black mud loach seal wire to be inserted bladder through damage location; Keep seal wire then and withdraw from endoscope; Seal wire is penetrated catheter through the silk guide passage on the catheter of the present invention 7, and catheter follows seal wire and inserts urethra.It is thus clear that adopting second kind during with the third mode of operation, it is convenient to penetrate seal wire, saves time, avoided the medical worker at careless manipulation causes during from eleven punch 11 on the existing catheter pricking wound.Enter intravesical when having urine to flow out when catheter, continue it is inserted 4-5cm again, 6 inside fixation balloons 4 interior injection liquid or the gases from the air bag passway fix catheter then, extract elbow metal bougie 13 or seal wire then out, and urine is discharged from catheter.The flushing tract 10 that is provided with can make things convenient for the medical worker that patient's bladder is washed, and during operation, injects flushing liquor from irrigation channel mouth 11, and flushing liquor flows out from flushing hole 9 through flushing tract 10, gets into bladder.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (3)
1. catheter; The urethral catheterization hole (2) and the terminal urine outlet (3) of main pipe (1) that comprise main pipe (1), main pipe (1) top sidewall; It is characterized in that: the bottom that said main pipe (1) top is positioned at urethral catheterization hole (2) is provided with internal fixation air bag (4); Be provided with air bag tract (5) in the said main pipe (1); One end of said air bag tract (5) and internal fixation air bag (4) join; The other end of said air bag tract (5) forms independently air bag passway (6) at the catheter end, and said main pipe (1) top is provided with the silk guide passage (7) that is used to insert seal wire, and said silk guide passage (7) is provided with all around and joins with main pipe (1) sidewall and be used to prevent that the metal bougie from wearing out the convexity of catheter (8); Said convexity (8) be positioned at urethral catheterization hole (2) top and with main pipe (1) top be an integral body, said convexity (8) is provided with one or more grooves (12) that are used to prevent the slippage of metal bougie.
2. according to the described a kind of catheter of claim 1; It is characterized in that: the top that said main pipe (1) top is positioned at urethral catheterization hole (2) is provided with flushing hole (9); Be provided with flushing tract (10) in the said main pipe (1); One end of said flushing tract (10) and flushing hole (9) are joined, and the other end of said flushing tract (10) forms independently irrigation channel mouth (11) at the catheter end.
3. according to the described a kind of catheter of claim 1, it is characterized in that: said groove (12) is for cylindrical, hemispherical or around the annular of silk guide passage (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102801010A CN101947346B (en) | 2010-09-10 | 2010-09-10 | Catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102801010A CN101947346B (en) | 2010-09-10 | 2010-09-10 | Catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101947346A CN101947346A (en) | 2011-01-19 |
| CN101947346B true CN101947346B (en) | 2012-02-15 |
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ID=43451051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102801010A Expired - Fee Related CN101947346B (en) | 2010-09-10 | 2010-09-10 | Catheter |
Country Status (1)
| Country | Link |
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| CN (1) | CN101947346B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107500A (en) * | 2014-07-29 | 2014-10-22 | 江苏康诺医疗器械有限公司 | Sterile super-lubricity antiseep safety catheter structure |
| CN104922777B (en) * | 2015-07-02 | 2018-04-17 | 江苏省肿瘤医院 | A kind of catheter of adjustable head end perforate size |
| CN106215310A (en) * | 2016-07-14 | 2016-12-14 | 成都嘉宝祥生物科技有限公司 | A kind of catheter for dilating urethra and production method thereof |
| CN107050627A (en) * | 2017-04-18 | 2017-08-18 | 湖州市第人民医院 | Seal wire cast catheter |
| CN107376099B (en) * | 2017-08-18 | 2024-02-02 | 游道锋 | Guide wire type urethral probe |
| CN108066883A (en) * | 2017-12-28 | 2018-05-25 | 南京医科大学第附属医院 | A kind of catheter |
| CN111437494A (en) * | 2020-04-07 | 2020-07-24 | 宁德市闽东医院 | Catheter capable of preventing urinary tract injury caused by self-tube drawing of patient |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850358A (en) * | 1986-11-14 | 1989-07-25 | Millar Instruments, Inc. | Method and assembly for introducing multiple devices into a biological vessel |
| US5201315A (en) * | 1991-10-08 | 1993-04-13 | Griffith James M | Ultrasound imaging sheath |
| WO1998042399A1 (en) * | 1997-03-25 | 1998-10-01 | Radius Medical Technologies, Inc. | Flexible guidewire with radiopaque plastic tip |
| WO1998052637A1 (en) * | 1997-05-23 | 1998-11-26 | Biosense, Inc. | Catheter with oblique lumen |
| US6022319A (en) * | 1991-05-23 | 2000-02-08 | Scimed Life Systems, Inc. | Intravascular device such as introducer sheath or balloon catheter or the like and methods for use thereof |
| WO2001005330A1 (en) * | 1999-07-20 | 2001-01-25 | Karram Mickey M | Apparatus and method to facilitate intermittent self-catheterization |
| WO2007049313A1 (en) * | 2005-10-28 | 2007-05-03 | Invatec S.R.L. | Auxiliary probes |
| WO2010014799A1 (en) * | 2008-07-30 | 2010-02-04 | Acclarent, Inc. | Paranasal ostium finder devices and methods |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030032936A1 (en) * | 2001-08-10 | 2003-02-13 | Lederman Robert J. | Side-exit catheter and method for its use |
-
2010
- 2010-09-10 CN CN2010102801010A patent/CN101947346B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850358A (en) * | 1986-11-14 | 1989-07-25 | Millar Instruments, Inc. | Method and assembly for introducing multiple devices into a biological vessel |
| US6022319A (en) * | 1991-05-23 | 2000-02-08 | Scimed Life Systems, Inc. | Intravascular device such as introducer sheath or balloon catheter or the like and methods for use thereof |
| US5201315A (en) * | 1991-10-08 | 1993-04-13 | Griffith James M | Ultrasound imaging sheath |
| WO1998042399A1 (en) * | 1997-03-25 | 1998-10-01 | Radius Medical Technologies, Inc. | Flexible guidewire with radiopaque plastic tip |
| WO1998052637A1 (en) * | 1997-05-23 | 1998-11-26 | Biosense, Inc. | Catheter with oblique lumen |
| WO2001005330A1 (en) * | 1999-07-20 | 2001-01-25 | Karram Mickey M | Apparatus and method to facilitate intermittent self-catheterization |
| WO2007049313A1 (en) * | 2005-10-28 | 2007-05-03 | Invatec S.R.L. | Auxiliary probes |
| WO2010014799A1 (en) * | 2008-07-30 | 2010-02-04 | Acclarent, Inc. | Paranasal ostium finder devices and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101947346A (en) | 2011-01-19 |
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Granted publication date: 20120215 Termination date: 20150910 |
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