CN203507297U - Three-cavity indwelling catheter - Google Patents
Three-cavity indwelling catheter Download PDFInfo
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- CN203507297U CN203507297U CN201320582463.4U CN201320582463U CN203507297U CN 203507297 U CN203507297 U CN 203507297U CN 201320582463 U CN201320582463 U CN 201320582463U CN 203507297 U CN203507297 U CN 203507297U
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Abstract
The utility model discloses a three-cavity indwelling catheter which comprises a drainage tube, a bladder irrigation connector, a positive pressure device and a washing channel. A drainage opening is arranged close to the end portion, inserted in the bladder, of the drainage tube, and a washing opening is arranged on the end portion, inserted in the bladder, of the drainage tube. The bladder irrigation connector is arranged on the other end portion of the drainage tube, and the other end of the bladder irrigation connector is connected with the positive pressure device. The end, connected with the bladder irrigation connector, of the positive pressure device is connected to the washing opening through the washing channel arranged in the three-cavity indwelling catheter. The other end of the positive pressure device is connected with a washing device which is used when the three-cavity indwelling catheter is used for washing the bladder. Accordingly, the three-cavity indwelling catheter can conveniently washing the bladder and feeding medicine for the bladder.
Description
Technical field
This utility model relates to a kind of medical device field, refers to especially a kind of three chamber indwelling catheters.
Background technology
Three chamber indwelling catheters are a kind of pipelines, can be through per urethram inserting bladder in case drainage of urine out.In existing medical system, common catheter can also be for bladder irrigation and intravesical administration in indwelling catheter, but traditional catheter for the one end of doing bladder irrigation at present for clinical use inconvenience very.
When clinical middle conventional use transfusion device carries out bladder irrigation, general employing directly punctured syringe needle on catheter, the easy leakage of three chamber indwelling catheters, leakage of urine after repeated localised puncture, need again change three chamber indwelling catheters, and often change urinary catheter, not only to patient, cause suffering and loss economically, more increased the weight of nurse's workload.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of three chamber indwelling catheters, can be easily for bladder irrigation and intravesical administration.
A kind of three chamber indwelling catheters that provide based on above-mentioned purpose this utility model, comprise drainage tube, bladder irrigation interface, positive pressure devices and irrigation channel, in this end that approaches described drainage tube insertion bladder, be provided with draining hole, in this end of described drainage tube insertion bladder, be provided with rinse mouth simultaneously;
Described bladder irrigation interface is arranged on the other end of described drainage tube, and the other end of described bladder irrigation interface is connected with described positive pressure devices; Wherein, the link of described positive pressure devices and described bladder irrigation interface is connected to described rinse mouth by the inner irrigation channel arranging of described three chamber indwelling catheter; The other end of described positive pressure devices is connected with the flusher that described three chamber indwelling catheters are used when rinsing.
Alternatively, described positive pressure devices comprises shell, and is arranged on piston, Inner shell, spring and small opening in described shell;
Wherein, described shell is up-narrow and down-wide, and upper narrow end is connected with the flusher that described three chamber indwelling catheters are used when rinsing; Described piston is epimere diameter and is less than hypomere diameter, and the top of described epimere withstands the narrow open-ended of described shell, and a port of described Inner shell is withstood in the bottom of described hypomere; The another port sealing of described Inner shell, its diameter be greater than mutually should port described in the diameter of shell, on this port of described Inner shell, be provided with described small opening; One end of described spring is connected to the port of described Inner shell sealing, and the other end is connected to the hypomere end of described piston.
Further, the upper narrow end of described shell is provided with spiral lock tube with the flusher junction of using when rinsing with described three chamber indwelling catheters.
Further, in described Inner shell end, two small openings are set.
Further, two small openings that described Inner shell end arranges design respectively in the side-walls near described shell.
Further, the narrow open-ended place that described shell is withstood at the top of described piston epimere is provided with A sealing ring, and the narrow open-ended diameter of described shell is less than the diameter of described A sealing ring;
The hypomere of described piston is provided with B sealing ring, and an end opening of described Inner shell withstands the hypomere of described piston by described B sealing ring, and the diameter of described B sealing ring is greater than this end opening diameter of described Inner shell.
Further, described three chamber indwelling catheters comprise and rush capsule interface, fixedly capsule and note capsule passage, and the described capsule interface that rushes is arranged on the end that described drainage tube is provided with described bladder irrigation interface, and described fixedly capsule is arranged on the end that described drainage tube inserts bladder; Wherein, the described capsule interface that rushes is connected to described fixedly capsule by the inner described note capsule passage arranging of described three chamber indwelling catheter.
Further, three described chamber indwelling catheters also comprise seal wire, and described seal wire inserts from being provided with the described drainage tube end of described bladder irrigation interface, and until another end of described drainage tube.
Further, pumpback cap has been designed in described seal wire one end, and described pumpback cap is convenient to described seal wire and is inserted and extract described drainage tube.
As can be seen from above, the three chamber indwelling catheters that this utility model provides, are provided with draining hole by this end approaching described drainage tube insertion bladder, are provided with rinse mouth in this end of described drainage tube insertion bladder simultaneously; The link of described positive pressure devices and described bladder irrigation interface is connected to described rinse mouth by the inner irrigation channel arranging of described three chamber indwelling catheter; The other end of described positive pressure devices is connected with the flusher that described three chamber indwelling catheters are used when rinsing.Therefore, this utility model can prevent flushing liquor outflow effectively, can reduce the generation of urinary system infection simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the three chamber indwelling catheters of this utility model embodiment;
Fig. 2 is the structural representation of the positive pressure devices of this utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, this utility model is further described.
Consulting shown in Fig. 1, is the structural representation of the three chamber indwelling catheters of this utility model embodiment, and described three chamber indwelling catheters comprise bladder irrigation interface 101, positive pressure devices 104 and drainage tube 102.Wherein, in this end that approaches drainage tube 102 insertion bladders, be provided with draining hole 107.Preferably, be provided with two draining holes 107, can allow liquid discharge swimmingly.Also have, this end of inserting bladder at drainage tube 102 is provided with rinse mouth 109.
In addition, bladder irrigation interface 101 is arranged on the other end of described drainage tube 102.Wherein, the other end of bladder irrigation interface 101 is connected with positive pressure devices 104, preferably, positive pressure devices 104 can be snapped into described bladder irrigation interface 101.And this port of positive pressure devices 104 is connected to described rinse mouth 109 by the inner irrigation channel arranging of described three chamber indwelling catheter.The other end of described positive pressure devices 104 can for example, for connecting flusher, the flusher of transfusion device, syringe etc.
Described three chamber indwelling catheters are in the process for bladder irrigation and intravesical administration, Guang rinses interface 101 and is connected with flusher by positive pressure devices 104, flusher arrives flushing liquor in rinse mouth 109 by positive pressure devices 104 through the inner irrigation channel arranging of described three chamber indwelling catheter, thereby rushes liquid to bladder.In addition, the liquid after intravesical flushing flows out by drainage tube 102 by two described draining holes 107.
As an embodiment of the present utility model, described three chamber indwelling catheters comprise and rush capsule interface 103 and fixing capsule 108.The described capsule interface 103 that rushes is arranged on the end that drainage tube 102 is provided with bladder irrigation interface 101, and described fixedly capsule 108 is arranged on the end that drainage tube 102 inserts bladder.Wherein, rush capsule interface 103 and be connected to fixedly capsule 108 by the inner note capsule passage arranging of described three chamber indwelling catheter.
The described upper syringe of capsule interface 103 connection that rushes carries out fluid injection or gas injection, and liquid or gas enter into fixedly capsule 108 by described note capsule passage, and described fixedly capsule 108 is heaved.After in drainage tube 102 insertion patients' bladder, easily come off, so after drainage tube 102 inserts, fixedly capsule 108 is heaved by rushing capsule interface 103, thereby this end of drainage tube 102 is fixed in bladder.It should be noted that, owing to inserting between intravesical drainage tube 102 and bladder inwall, may there is gap, therefore the fixedly capsule 108 of heaving can make to fit tightly between drainage tube 102 and bladder inwall, intravesical like this liquid just can not flow out from the gap between drainage tube 102 and bladder inwall, only can flow out from described three chamber indwelling catheters.
As another embodiment of the present utility model, three described chamber indwelling catheters also comprise seal wire 105.Seal wire 105 inserts from being provided with drainage tube 102 ends of bladder irrigation interface 101, and until another end of drainage tube 102.This design is because male urethra has 2 physiology narrow, and 3 physiological bendings have certain difficulty for patients such as prostatic hyperplasia, urethral stricture, calculus of urethra when the indwelling catheter, and three chamber indwelling catheters are too soft, easy opisthotonos when meeting obstructions.The interior installation seal wire 105 of drainage tube 102 plays a supporting role, can, in the injury of urethra that the repeated multiple times slotting urinary catheter of minimizing causes, improve nursery work efficiency.Preferably, the length of seal wire 105 is a bit larger tham the total length of drainage tube 102, and drainage tube 102 be able to be inserted and extract to the thickness of seal wire 105 smoothly.In addition, it is good that seal wire 105 should be plasticity, the wire guide that soft durometer is moderate.Preferably, pumpback cap 106 has been designed in seal wire 105 1 ends, can make easily seal wire 105 insert and extract drainage tube 102.
Consulting shown in Fig. 2, is the structural representation of the positive pressure devices of this utility model embodiment, and described positive pressure devices 104 comprises shell 201, and is arranged on piston 204, Inner shell 206, spring 207 and small opening 208 in shell 201.Preferably, described shell 201 is up-narrow and down-wide.Preferably, the end that shell 201 is connected with flusher is provided with spiral lock tube 202, can fit completely with flusher, can also prevent that flush fluid for vesica urinaria from flowing out.
Wherein, piston 204 is epimere diameter and is less than hypomere diameter, and the narrow open-ended of shell 201 withstood at the top of epimere.Preferably, the narrow open-ended place that shell 201 is withstood at the top of piston 204 epimeres is provided with A sealing ring 203, and the narrow open-ended diameter of shell 201 is less than the diameter of described A sealing ring 203.In addition, the hypomere of described piston 204 is provided with B sealing ring 205, and an end opening of described Inner shell 206 withstands the hypomere of described piston 204 by B sealing ring 205, and the diameter of B sealing ring 205 is greater than this end opening diameter of Inner shell 206.
The diameter of described Inner shell 206 another port is greater than mutually diameter that should end enclosure 201, on this end of described Inner shell 206, is provided with small opening 208.Preferably, on this end of described Inner shell 206, two small openings 208 are set, preferably, two small openings 208 on Inner shell 206 these ends are separately positioned near described shell 201 side-walls.Also have, one end of described spring 207 is connected to the end of described Inner shell 206 sealings, and the other end is connected to the end of the hypomere of piston 204.
In positive pressure devices 104, narrow end connects flusher, and lower wide end connects bladder irrigation interface 101.When flusher is infused, piston 204 is pushed downwards down, and its A sealing ring 203 is thereupon descending, thereby piston 204 and the sealing of shell 201 are opened.Meanwhile, B sealing ring 205 is thereupon descending, thereby piston 204 and the sealing of Inner shell 206 are opened.Therefore, the liquid of input is injected in bladder irrigation interface 101 finally by crossing two small openings 208 by this passage.
When infusion completes, spring 207 makes piston 204 up, thereby makes piston 204 by B sealing ring 205, A sealing ring 203, realize again airtight with Inner shell 206, shell 201 respectively.Therefore, this setting prevents that urine from backflowing, and reduces the chance of retrograde infection.Thereby making described three chamber indwelling catheters is by positive pressure devices 104, process rinse mouth 109 is toward bladder filling liquid.But intravesical liquid is through draining hole 107, finally by one end of drainage tube 102, discharges.
This shows, a kind of three chamber indwelling catheters that the utility model proposes, creationaryly designed bladder irrigation interface and positive pressure devices is integrated, positive pressure devices can so that during bladder irrigation flusher can fit tightly with bladder irrigation interface, avoid the syringe needle catheter that directly punctures to cause urinary catheter leakage, leakage of urine, be convenient to nurse operation, time saving and energy saving; And positive pressure devices has realized the sealing function of flusher and catheter, prevent that urine from backflowing, reduced the chance of retrograde infection; Described three chamber indwelling catheters are owing to being provided with positive pressure devices, and bladder irrigation interface does not just need opisthotonos to fix in obsolete situation, just can prevent that urine from flowing out along bladder irrigation side mouth, and be difficult for causing retrograde infection; And described three chamber indwelling catheters go for multiple flusher, so the scope of application is more extensive; Meanwhile, seal wire is housed in mozzle can be for common urinary catheter indwelling difficulty persons such as prostatic hyperplasia, urethral stricture, calculus of urethra, and seal wire plasticity is strong, can be crooked according to required form, the more convenient natural torsion through urethra, can reduce injury of urethra, improves nursery work efficiency; Finally, whole three described chamber indwelling catheters are simple in structure, light, are easy to use.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a chamber indwelling catheter, it is characterized in that, comprise drainage tube, bladder irrigation interface, positive pressure devices and irrigation channel, in this end that approaches described drainage tube insertion bladder, be provided with draining hole, in this end of described drainage tube insertion bladder, be provided with rinse mouth simultaneously;
Described bladder irrigation interface is arranged on the other end of described drainage tube, and the other end of described bladder irrigation interface is connected with described positive pressure devices; Wherein, the link of described positive pressure devices and described bladder irrigation interface is connected to described rinse mouth by the inner irrigation channel arranging of described three chamber indwelling catheter; The other end of described positive pressure devices is connected with the flusher that described three chamber indwelling catheters are used when rinsing.
2. catheter according to claim 1, is characterized in that, described positive pressure devices comprises shell, and is arranged on piston, Inner shell, spring and small opening in described shell;
Wherein, described shell is up-narrow and down-wide, and upper narrow end is connected with the flusher that described three chamber indwelling catheters are used when rinsing; Described piston is epimere diameter and is less than hypomere diameter, and the top of described epimere withstands the narrow open-ended of described shell, and a port of described Inner shell is withstood in the bottom of described hypomere; The another port sealing of described Inner shell, its diameter be greater than mutually should port described in the diameter of shell, on this port of described Inner shell, be provided with described small opening; One end of described spring is connected to the port of described Inner shell sealing, and the other end is connected to the hypomere end of described piston.
3. catheter according to claim 2, is characterized in that, the upper narrow end of described shell is provided with spiral lock tube with the flusher junction of using when rinsing with described three chamber indwelling catheters.
4. catheter according to claim 2, is characterized in that, in described Inner shell end, two small openings is set.
5. catheter according to claim 4, is characterized in that, two small openings that described Inner shell end arranges design respectively in the side-walls near described shell.
6. catheter according to claim 2, is characterized in that, the narrow open-ended place that described shell is withstood at the top of described piston epimere is provided with A sealing ring, and the narrow open-ended diameter of described shell is less than the diameter of described A sealing ring;
The hypomere of described piston is provided with B sealing ring, and an end opening of described Inner shell withstands the hypomere of described piston by described B sealing ring, and the diameter of described B sealing ring is greater than this end opening diameter of described Inner shell.
7. according to the catheter described in claim 1 to 6 any one, it is characterized in that, described three chamber indwelling catheters comprise and rush capsule interface, fixedly capsule and note capsule passage, the described capsule interface that rushes is arranged on the end that described drainage tube is provided with described bladder irrigation interface, and described fixedly capsule is arranged on the end that described drainage tube inserts bladder; Wherein, the described capsule interface that rushes is connected to described fixedly capsule by the inner described note capsule passage arranging of described three chamber indwelling catheter.
8. catheter according to claim 7, is characterized in that, three described chamber indwelling catheters also comprise seal wire, and described seal wire inserts from being provided with the described drainage tube end of described bladder irrigation interface, and until another end of described drainage tube.
9. catheter according to claim 8, is characterized in that, pumpback cap has been designed in described seal wire one end, and described pumpback cap is convenient to described seal wire and is inserted and extract described drainage tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582463.4U CN203507297U (en) | 2013-09-18 | 2013-09-18 | Three-cavity indwelling catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582463.4U CN203507297U (en) | 2013-09-18 | 2013-09-18 | Three-cavity indwelling catheter |
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| Publication Number | Publication Date |
|---|---|
| CN203507297U true CN203507297U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320582463.4U Expired - Fee Related CN203507297U (en) | 2013-09-18 | 2013-09-18 | Three-cavity indwelling catheter |
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| Country | Link |
|---|---|
| CN (1) | CN203507297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237406A (en) * | 2019-07-22 | 2019-09-17 | 上海市第一人民医院 | A kind of three-cavity catheter device |
| CN111032139A (en) * | 2017-09-01 | 2020-04-17 | 库克医学技术有限责任公司 | Postpartum hemorrhage balloon system |
-
2013
- 2013-09-18 CN CN201320582463.4U patent/CN203507297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032139A (en) * | 2017-09-01 | 2020-04-17 | 库克医学技术有限责任公司 | Postpartum hemorrhage balloon system |
| CN110237406A (en) * | 2019-07-22 | 2019-09-17 | 上海市第一人民医院 | A kind of three-cavity catheter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20180918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |