CN104922777A - Catheter capable of adjusting hole size of head end - Google Patents
Catheter capable of adjusting hole size of head end Download PDFInfo
- Publication number
- CN104922777A CN104922777A CN201510378156.8A CN201510378156A CN104922777A CN 104922777 A CN104922777 A CN 104922777A CN 201510378156 A CN201510378156 A CN 201510378156A CN 104922777 A CN104922777 A CN 104922777A
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- catheter
- head end
- pass cock
- seal wire
- slip seal
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Abstract
The present invention discloses a catheter capable of adjusting hole size of a head end. The catheter comprises a straight catheter, three sliding guide wires are disposed in a side wall of the straight catheter with an equal interval, front ends of the guide wires are connected with the head end of the catheter, and the rear segment of the catheter is provided with an adjusting switch capable of adjusting the guide wires to extend and retract. The head end hole can be slightly lessened when the catheter is inserted, and the hole can be largened or closed according to the need after the catheter is indwelled. A hole size adjusting function is added to a traditional catheter, the hole is largened to facilitate drainage, and the catheter is prevented from being blocked by blood clots or tissue blocks; and the traditional fact the catheter is closed by external clamp is replaced by closing the head end hole, so that retrograde infection of the catheter can be prevented. The catheter is simple in structure, convenient to manufacture and easy to use.
Description
Technical field
The invention belongs to clinical medicine technical field of medical instruments, relate to a kind of catheter of scalable head end perforate size.
Background technology
In recent years, the disease incidences such as prostatic hyperplasia and tumor, tumor of bladder, urinary system calculus remain high, and have and increase trend year by year.These diseases are postoperative all needs conventional indwelling catheter; and be aided with bladder irrigation if desired; but the head end due to traditional catheter only has two little side openings; be difficult to the various situations of satisfied different patient; thus usually having clot or piece of tissue etc. causes catheter to block; severe patient can cause second operation, not only causes considerable distress to patient, also brings numerous trouble to medical personnel.In addition, the folder of traditional indwelling catheter closes Bag for collecting urine place in vitro, easily causes the retrograde urinary by urine.
Summary of the invention
technical problem:the object of the invention is to solve the problem, a kind of catheter of scalable head end perforate size is provided, meets the demand of the various situation of different patient, there is the advantage that structure is simple, easy to operate.
technical scheme:the catheter of scalable head end perforate size of the present invention, comprise straight catheter, the seal wire that slides, be arranged on the termination of described straight catheter front end, be arranged on the by-pass cock of straight catheter back segment, in the sidewall of described straight catheter, miniature duct is set, described slip seal wire is built in miniature duct, slip seal wire one end connection end, the other end connects by-pass cock.
Further, the miniature duct arranged in described straight catheter sidewall is 3 to 5, and described slip seal wire quantity is identical with miniature duct, the corresponding built-in slip seal wire in each miniature duct.
Further, described straight catheter inwall is provided with the opening being communicated with miniature duct and catheter lumens, slip seal wire enters catheter lumens from opening and is connected with by-pass cock.
Further, described straight catheter tube wall is provided with the chute inside and outside connection, by-pass cock embeds chute and can wherein along straight catheter longitudinal sliding motion, medial wall and the by-pass cock double sided contacts part of described chute are respectively equipped with latch, the two engages each other, and arbitrarily slides and as manual adjustments gear in order to prevent by-pass cock.
Further, described straight catheter is provided with the connecting ring being close to inwall, and described connecting ring is fixedly connected with by-pass cock, and slip seal wire is connected with connecting ring after entering catheter lumens, thus realizes the connection with by-pass cock.
The present invention is provided with the flexible by-pass cock of scalable seal wire at catheter back segment, head end perforate slightly can be turned down when plugging in catheter, can as required perforate be tuned up or close after indwelling, solve catheter to a certain extent and hold susceptible to plugging problem: perforate can be tuned up after indwelling catheter as postoperative, abundant drainage of urine, prevents blocking; Adopt the catheter of scalable head end perforate size, then the perforate of catheter head end can be closed, replace traditional folder and close effect, prevent antidromicity urinary tract infection.
beneficial effect:compared with prior art, the present invention has the following advantages:
(1) on traditional catheter basis, increase the function regulating perforate size, after tuning up perforate, facilitate drain, prevent clot or piece of tissue blocking catheter;
(2) replace traditional external folder to close catheter by closing head end perforate, thus prevent catheter retrograde infection.
Below advantage of the present invention is made and more specifically describing:
(1) easy to operate.The present invention is provided with by-pass cock at catheter tail end, can manual adjustments end urinary catheter head end perforate size.Plug in catheter step identical with traditional catheter, just need by-pass cock slightly to turn down (not close before plug in catheter, otherwise after inserting, invisible urine flows out), after such insertion by-pass cock is regulated by demand, as by-pass cock then can be adjusted to maximum by postoperative bladder irrigation, so that fully drain, prevents plugging.
(2) structure is simple.The present invention adds slip seal wire and mobilizable head end structure on traditional catheter basis, and manufacturing process is simple, is easy to realize.
(3) applied range.Tradition catheter head end only respectively has a little perforate in both sides, do not consider various special circumstances, and the present invention is by regulating perforate size, numerous purposes can be met, as above-mentioned abundant drain prevents plugging, prevents tradition folder from closing the retrograde infection etc. that catheter causes, also can be applicable to other needs to regulate catheter head end perforate size part.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is catheter tail end by-pass cock schematic diagram of the present invention.
Have in figure: 1. straight catheter, 2. slip seal wire, 3. termination, 4. by-pass cock, 5. chute, 6. connecting ring, 7. opening.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention, a kind of catheter of scalable head end perforate size, comprise straight catheter 1, the miniature duct that the sidewall intermediate reach of straight catheter 1 arranges hollow, the slip seal wire 2 be built in miniature duct, straight catheter 1 front end is provided with ureter termination 3, and be provided with the flexible by-pass cock 4 of scalable seal wire at back segment, slip seal wire 2 one end connection end 3, the other end is connected with by-pass cock 4.Slip seal wire 2 can be 3 to 5, and every root correspondence is arranged in a miniature duct, only installs a slip seal wire 2, avoid and mutually tangle and disturb in each so miniature duct.Catheter implantation mode and the ordinary urethral catheter of this scalable head end perforate size are similar, only by-pass cock slightly need be turned down (if perforate is too large, then slip seal wire 2 in catheter end is longer, may bend during insertion before insertion catheter; If perforate is closed completely, then catheter is difficult to after inserting see that urine flows out, caused by inconvenient judgment).And after indwelling, then can regulate perforate size according to demand, as bladder irrigation then can be adjusted to maximum, abundant drain, prevents plugging.
Fig. 2 is by-pass cock 4 schematic diagram of catheter tail end of the present invention.Wherein, 5 for straight catheter 1 sidewall is arranged in order to draw and to install the chute of by-pass cock 4, medial wall and the by-pass cock 4 double sided contacts part of chute 5 are respectively equipped with latch, length is about 1.5cm, the number of teeth about 10, prevent by-pass cock 4 from arbitrarily sliding, and be less than greatly difference " shelves " by manual adjustments perforate.The signable scale in chute 5 side, convenient adjustment catheter head end perforate size directly perceived.6 for converging to connecting ring together by three slip seal wires 2, by-pass cock 4 is coupled through chute 5, is convenient to regulate.Connecting ring 6 is positioned at catheter lumens, is close to catheter medial wall, can not affect urine flowing or clot, piece of tissue discharge.7 for being built in the opening between miniature duct in straight catheter 1 sidewall and catheter lumens, and corresponding place's opening 7 of that root seal wire of each miniature duct and middle setting thereof, length is identical with chute 5, about 1.5cm.Three slip seal wires 2 pass this opening respectively and are connected with connecting ring 6, thus adjustable switch 4 is synchronously transferred.
Above-described embodiment is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention; some improvement and equivalent replacement can also be made; these improve the claims in the present invention and are equal to the technical scheme after replacing, and all fall into protection scope of the present invention.
Claims (5)
1. the catheter of a scalable head end perforate size, it is characterized in that, this catheter comprises straight catheter (1), slip seal wire (2), is arranged on the termination (3) of described straight catheter (1) front end, is arranged on the by-pass cock (4) of straight catheter (1) back segment, in the sidewall of described straight catheter (1), miniature duct is set, described slip seal wire (2) is built in miniature duct, slip seal wire (2) one end connection end (3), the other end connects by-pass cock (4).
2. the catheter of scalable head end perforate size according to claim 1, it is characterized in that, the miniature duct arranged in described straight catheter (1) sidewall is 3 to 5, and described slip seal wire (2) quantity is identical with miniature duct, the corresponding built-in slip seal wire (2) in each miniature duct.
3. the catheter of scalable head end perforate size according to claim 1, it is characterized in that, described straight catheter (1) inwall is provided with the opening (7) being communicated with miniature duct and catheter lumens, slip seal wire (2) enters catheter lumens from opening (7) and is connected with by-pass cock (4).
4. the catheter of scalable head end perforate size according to claim 1, it is characterized in that, described straight catheter (1) tube wall is provided with the chute (5) inside and outside connection, by-pass cock (4) embeds chute (5) and can wherein along straight catheter (1) longitudinal sliding motion, medial wall and by-pass cock (4) the double sided contacts part of described chute (5) are respectively equipped with latch, the two engages each other, and arbitrarily slides and as manual adjustments gear in order to prevent by-pass cock (4).
5. the catheter of the scalable head end perforate size according to claim 1,2,3 or 4, it is characterized in that, described straight catheter (1) is provided with the connecting ring (6) being close to inwall, described connecting ring (6) is fixedly connected with by-pass cock (4), be connected with connecting ring (6) after slip seal wire (2) enters catheter lumens, thus realize the connection with by-pass cock (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378156.8A CN104922777B (en) | 2015-07-02 | 2015-07-02 | A kind of catheter of adjustable head end perforate size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378156.8A CN104922777B (en) | 2015-07-02 | 2015-07-02 | A kind of catheter of adjustable head end perforate size |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104922777A true CN104922777A (en) | 2015-09-23 |
| CN104922777B CN104922777B (en) | 2018-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510378156.8A Active CN104922777B (en) | 2015-07-02 | 2015-07-02 | A kind of catheter of adjustable head end perforate size |
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| Country | Link |
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| CN (1) | CN104922777B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693924A (en) * | 2017-05-17 | 2018-02-16 | 威海吉威重症医疗制品有限公司 | One kind blocks elimination type catheter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000020064A1 (en) * | 1998-10-02 | 2000-04-13 | Endogad Research Pty. Ltd. | Guidewire capture device |
| CN101947346A (en) * | 2010-09-10 | 2011-01-19 | 张烨 | Catheter |
| CN203507296U (en) * | 2013-09-06 | 2014-04-02 | 山东大学齐鲁医院 | Urethral catheter |
| CN203620038U (en) * | 2013-11-15 | 2014-06-04 | 中国人民解放军广州军区武汉总医院 | Ureteral catheter |
| CN203915722U (en) * | 2014-02-16 | 2014-11-05 | 于军 | A kind of liver and gall drainage tube |
| CN204233587U (en) * | 2014-04-17 | 2015-04-01 | 张治勇 | Single use silica gel three-cavity catheter |
| CN204745296U (en) * | 2015-07-02 | 2015-11-11 | 江苏省肿瘤医院 | Catheter of adjustable head end trompil size |
-
2015
- 2015-07-02 CN CN201510378156.8A patent/CN104922777B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000020064A1 (en) * | 1998-10-02 | 2000-04-13 | Endogad Research Pty. Ltd. | Guidewire capture device |
| CN101947346A (en) * | 2010-09-10 | 2011-01-19 | 张烨 | Catheter |
| CN203507296U (en) * | 2013-09-06 | 2014-04-02 | 山东大学齐鲁医院 | Urethral catheter |
| CN203620038U (en) * | 2013-11-15 | 2014-06-04 | 中国人民解放军广州军区武汉总医院 | Ureteral catheter |
| CN203915722U (en) * | 2014-02-16 | 2014-11-05 | 于军 | A kind of liver and gall drainage tube |
| CN204233587U (en) * | 2014-04-17 | 2015-04-01 | 张治勇 | Single use silica gel three-cavity catheter |
| CN204745296U (en) * | 2015-07-02 | 2015-11-11 | 江苏省肿瘤医院 | Catheter of adjustable head end trompil size |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693924A (en) * | 2017-05-17 | 2018-02-16 | 威海吉威重症医疗制品有限公司 | One kind blocks elimination type catheter |
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| Publication number | Publication date |
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| CN104922777B (en) | 2018-04-17 |
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