CN101947346A - Catheter - Google Patents

Catheter Download PDF

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Publication number
CN101947346A
CN101947346A CN 201010280101 CN201010280101A CN101947346A CN 101947346 A CN101947346 A CN 101947346A CN 201010280101 CN201010280101 CN 201010280101 CN 201010280101 A CN201010280101 A CN 201010280101A CN 101947346 A CN101947346 A CN 101947346A
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CN
China
Prior art keywords
catheter
main pipe
air bag
tract
main conduit
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Granted
Application number
CN 201010280101
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Chinese (zh)
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CN101947346B (en
Inventor
张烨
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Individual
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Individual
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Priority to CN2010102801010A priority Critical patent/CN101947346B/en
Publication of CN101947346A publication Critical patent/CN101947346A/en
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Publication of CN101947346B publication Critical patent/CN101947346B/en
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  • Media Introduction/Drainage Providing Device (AREA)
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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

A kind of catheter
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 occur in various degree difficult intubation, 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 patient's misery, insert catheter smoothly, usually can adopt following several urethral catheterization mode during execute-in-place: one, in catheter, insert one 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 by 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 by 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, needs the operator to pass seal wire at catheter top acanthopore voluntarily, 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 at above-mentioned deficiency of the prior art, a kind of catheter is provided, 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 solution used in the present invention is: a kind of catheter, comprise main pipe, the urethral catheterization hole of main pipe top sidewall and the urine outlet of main pipe end, it is characterized in that: the bottom that described main pipe top is arranged in the urethral catheterization hole is provided with the described main pipe of internal fixation air bag and is provided with the air bag tract, one end and the internal fixation air bag of described air bag tract join, the other end of described air bag tract forms independently air bag passway at the catheter end, described main pipe top is provided with the silk guide passage that is used to insert seal wire, be provided with around the described silk guide passage and join with the main pipe sidewall and be used to prevent that the metal bougie from wearing out the projection of catheter, described projection be positioned at the urethral catheterization hole top and with the main pipe top be an integral body, described projection is provided with one or more grooves that are used to prevent the slippage of metal bougie.
The top that described main pipe top is positioned at the urethral catheterization hole is provided with flushing hole, is provided with the flushing tract in the described main pipe, and an end and the flushing hole of described flushing tract are joined, and the other end of described flushing tract forms independently irrigation channel mouth at the catheter end.
Described 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 projection of catheter, and design there are one or more cylindrical or hemispherical groove that are used to prevent the slippage of metal bougie on projection, 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, be applicable to the patient that common catheter easily 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.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
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; The 8-projection; The 9-flushing hole;
10-washes tract; 11-irrigation channel mouth; The 12-groove;
13-elbow metal bougie.
The specific embodiment
Embodiment 1
As Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes main pipe 1, the urethral catheterization hole 2 of main pipe 1 top sidewall and the urine outlet 3 of main pipe 1 end, it is characterized in that: the bottom that described 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 described main pipe 1, one end and the internal fixation air bag 4 of described air bag tract 5 join, the other end of described air bag tract 5 forms independently air bag passway 6 at the catheter end, described main pipe 1 top is provided with the silk guide passage 7 that is used to insert seal wire, be provided with around the described silk guide passage 7 and join with main pipe 1 sidewall and be used to prevent that the metal bougie from wearing out the projection 8 of catheter, described protruding 8 be positioned at urethral catheterization hole 2 top and with main pipe 1 top be an integral body, described protruding 8 are provided with a groove 12 that is used to prevent the slippage of metal bougie.
Described groove 12 is cylindrical or hemispherical, can prevent effectively that the metal bougie from passing from silk guide passage or urethral catheterization hole.
Embodiment 2
As Fig. 4, Fig. 5 and shown in Figure 6, present embodiment is as different from Example 1: the top that described 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 described main pipe 1, one end and the flushing hole 9 of described flushing tract 10 are joined, and the other end of described flushing tract 10 forms independently irrigation channel mouth 11 at the catheter end; Described 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
As Fig. 7, Fig. 8 and shown in Figure 9, present embodiment as different from Example 2: described 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 with catheter of the present invention, if patient's urethra does not have pathological changes, can directly this catheter per urethra be inserted bladder and carry out urethral catheterization, if the elongated distortion that attenuates of patient's urethra, three kinds of modes of operation are arranged, 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, the physiological structure that meets urethra more, the convenient insertion, the head of this elbow metal bougie 13 withstands in the groove 12 that is arranged on the projection 8, projection 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 by 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 by 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 by damage location, keep seal wire then and withdraw from endoscope, seal wire is penetrated catheter by the silk guide passage on the catheter of the present invention 7, and catheter follows seal wire and inserts urethra.As seen when adopting second kind and the third mode of operation, it is convenient to penetrate seal wire, saves time, and has 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, enters bladder.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.

Claims (3)

1. catheter, comprise main pipe (1), the urine outlet (3) that the urethral catheterization hole (2) of main pipe (1) top sidewall and main pipe (1) are terminal, it is characterized in that: the bottom that described 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 described main pipe (1), one end of described air bag tract (5) and internal fixation air bag (4) join, the other end of described air bag tract (5) forms independently air bag passway (6) at the catheter end, described main pipe (1) top is provided with the silk guide passage (7) that is used to insert seal wire, described 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 projection of catheter (8), described projection (8) be positioned at urethral catheterization hole (2) top and with main pipe (1) top be an integral body, described projection (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 described 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 described main pipe (1), one end of described flushing tract (10) and flushing hole (9) are joined, and the other end of described 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: described groove (12) is for cylindrical, hemispherical or around the annular of silk guide passage (7).
CN2010102801010A 2010-09-10 2010-09-10 Catheter Expired - Fee Related CN101947346B (en)

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CN2010102801010A CN101947346B (en) 2010-09-10 2010-09-10 Catheter

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Application Number Priority Date Filing Date Title
CN2010102801010A CN101947346B (en) 2010-09-10 2010-09-10 Catheter

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CN101947346A true CN101947346A (en) 2011-01-19
CN101947346B CN101947346B (en) 2012-02-15

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Cited By (7)

* Cited by examiner, † Cited by third party
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
CN104922777A (en) * 2015-07-02 2015-09-23 江苏省肿瘤医院 Catheter capable of adjusting hole size of head end
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
CN107376099A (en) * 2017-08-18 2017-11-24 游道锋 A kind of guide wire type urethral sound
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 (9)

* Cited by examiner, † Cited by third party
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
US20030032936A1 (en) * 2001-08-10 2003-02-13 Lederman Robert J. Side-exit catheter and method for its use
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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
US20030032936A1 (en) * 2001-08-10 2003-02-13 Lederman Robert J. Side-exit catheter and method for its use
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

Cited By (9)

* Cited by examiner, † Cited by third party
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
CN104922777A (en) * 2015-07-02 2015-09-23 江苏省肿瘤医院 Catheter capable of adjusting hole size of head end
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
CN107376099A (en) * 2017-08-18 2017-11-24 游道锋 A kind of guide wire type urethral sound
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

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