CN204446944U - New medical ureteral catheter system - Google Patents
New medical ureteral catheter system Download PDFInfo
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- CN204446944U CN204446944U CN201520093936.3U CN201520093936U CN204446944U CN 204446944 U CN204446944 U CN 204446944U CN 201520093936 U CN201520093936 U CN 201520093936U CN 204446944 U CN204446944 U CN 204446944U
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- ureter
- bladder
- catheter system
- support body
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Abstract
This utility model provides a kind of new medical ureteral catheter system, is respectively equipped with kidney section and bladder section at the two ends of described support body, is provided with the silica gel check valve of tool cross recess at described bladder section end; Be provided with open-type flattened ball Nang in described bladder section, open-type flattened ball Nang two ends are included on described support body, closed at both ends, and the flat place of side opens osculum.This utility model can ensure that urine can be injected into bladder from kidney through ureter catheterization stent tube smoothly, effective prevention urine enters kidney from urinary bladder channel ureter catheterization stent tube adverse current and effectively stops urine to enter kidney from urinary bladder channel ureter adverse current, decrease because urine adverse current is to patient the secondary urinary tract obstruction caused and the misery expanding hydrops, make secondary urinary tract infection, recurrence of hepatolithiasis probability and renal failure rate reduce greatly, it is efficiently convenient, safe and reliable to operate.
Description
Technical field
This utility model relates to ureter urethral catheterization support technology field, more specifically, relates to a kind of new medical ureteral catheter system.
Background technology
Ureter rack tube is a kind of porose plastic tube of different length, is used to various kidney, ureter, bladder etc. and secretes surgical operation.Existing ureter rack tube is the elongate tube that single-ended (single J) or both-end (two J) have toroidal bend, (single-ended opening) or open-ended (dual-end) can be sealed in front end, middle tube wall has conduction hole, its length specification is 20 ~ 30cm, and caliber has three kinds of specifications to be respectively 6F, 7F and 8.5F.
Ureter rack tube is used for calculus disease, has played important function, has mainly comprised: ensure that urine can be discharged to bladder from kidney and drain is blocked, even if calculus is not discharged, also can alleviate the renal colic of patient; Support little by little expands ureter, also makes the surgical procedures of ureteroscopy and other Microendoscopics be more prone to; Due to support tube not radiation thoroughly, then for blast wave stone-breaking provides stable boundary mark; Support can prevent a large amount of stone debris from pouring in ureter, avoids blocking.
But the problem that existing ureter rack tube ubiquity one is serious, after ureter rack tube is inserted, when patient's bladder urine fills, intravesical urine to be backflowed kidney through ureter rack tube, therefore cause patient's waist distending pain, renal colic, secondary urinary tract infection, quadratic extension hydrops more seriously can be caused to infect and impaired renal function.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of easy to operate, rational in infrastructure, can effectively prevent intravesical urine to backflow the new medical ureteral catheter system of kidney.
Above-mentioned purpose of the present utility model is achieved by the following technical programs:
A kind of new medical ureteral catheter system is provided, comprises support body, be respectively equipped with kidney section and bladder section at the two ends of described support body; Described bladder section end is provided with silica gel check valve, and described silica gel check valve has cross recess.Described kidney section has the end (being convenient to be fixed on kidney) being curled into circular ring, offers aperture for drain at the sidewall of described end.Described bladder section end adopts the silica gel check valve with cross recess, can ensure penetrate seal wire when inserting catheterization stent tube and can prevent urine through bladder adverse current to kidney.This cross recess silica gel check valve utilizes soft silica gel semiclosed, and seal wire extracts rear reverse natural enclosing out, plays the effect of check valve; Be provided with open-type flattened ball Nang in described bladder section, open-type flattened ball Nang two ends are included on described support body, closed at both ends, and the flat place of side opens osculum, and the tube wall place being included in described support body at described open-type flattened ball Nang offers aperture.This utility model arranges open-type flattened ball Nang, can ensure that urine is fast drained to bladder section bladder Inner from kidney section and urine can be prevented better from bladder section adverse current in kidney section renal pelvis.
Preferably, the profile of described bladder section end is letter " J " shape or straight type.
Preferably, the cross recess of described silica gel check valve is two orthogonal " one " notched cut, and the length of otch is less than described support internal diameter of tube body, and length range is 1.5mm ~ 3.0mm.
More preferably, described open-type flattened ball Nang length is less than 30mm, and width is less than 20mm.
Preferably, be positioned at the flat sacculus of described open-type in described bladder section and the side of described kidney section is provided with moveable counterflow-preventing ureter stopper.Counterflow-preventing ureter stopper effectively can prevent urine through ureter catheterization stent tube external space adverse current to renal pelvis.
More preferably, described counterflow-preventing ureter stopper is oval, and material can adopt soft silica gel material; Described support body is close at the major axis center of the counterflow-preventing ureter stopper of described ellipse, and major axis is greater than 10mm and is less than 20mm, and minor axis is greater than 5mm(15F) be less than 6mm(18F).
More preferably, be respectively arranged with anti-skidding ring for fixing in the both sides of described counterflow-preventing ureter stopper, anti-skidding ring for fixing comprises the lower anti-skidding ring for fixing of the close flat sacculus of described open-type and is positioned at the upper anti-skidding ring for fixing of counterflow-preventing ureter stopper opposite side; The material of anti-skidding ring for fixing is soft silica gel; Described anti-skidding ring for fixing is close to and is fixed on described support body.Arranging anti-skidding ring for fixing had both prevented counterflow-preventing ureter stopper to insert the landing on ureter catheterization stent tube body to the damage of open-type flattened ball Nang and ureter stopper in process at body, also (everyone ureter length differs to give the activity space of counterflow-preventing ureter stopper, ureter catheterization stent tube inserts length difference), design ingenious convenient and swift.
More preferably, described anti-skidding ring for fixing is fixed in the middle part of described support body or middle subordinate 2/3rds place, and the distance from described counterflow-preventing ureter stopper is 30mm.
The beneficial effects of the utility model are as follows:
This utility model adopts silica gel check valve, silica gel check valve establishes cross recess but not establishes cross recess in bladder section, realizing under same function, can the bladder section of protective cradle body better than prior art, rational in infrastructure, effectively easy to use, when the full full bladder of urine make silica gel check valve external and internal pressure identical or external pressure is greater than interior pressure time, cross recess is to internal strain, because the space making it be out of shape in managing is too little and otch has outside elastic force, otch on silica gel check valve still can keep air-tight state, effectively prevent bladder urine adverse current to renal pelvis, counterflow-preventing successful, further, in bladder section, open-type flattened ball Nang is set, can ensure that urine is fast drained to bladder section bladder Inner from kidney section and urine can be prevented from bladder section adverse current in kidney section renal pelvis, when bladder pressure is greater than kidney Inner pressure, open-type flattened ball Nang can in external pressure effect or sacculus natural enclosing osculum under natural tension force, effectively prevent bladder urine adverse current to renal pelvis, further, counterflow-preventing ureter stopper is set, effective shutoff is carried out to bladder section ureteric orifice, prevent urine through ureter adverse current to kidney.
This utility model can ensure that urine can be injected into bladder from kidney through ureter urethral catheterization support smoothly, effective prevention urine enters kidney from urinary bladder channel ureter urethral catheterization support adverse current and effectively stops urine to enter kidney from urinary bladder channel ureter adverse current, decrease because urine adverse current is to patient the secondary urinary tract obstruction caused and the misery expanding hydrops, make secondary urinary tract infection, recurrence of hepatolithiasis probability and renal failure rate reduce greatly, it is efficiently convenient, safe and reliable to operate.
Accompanying drawing explanation
Fig. 1 is this utility model preferred embodiment structural representation.
Fig. 2 is this utility model preferred embodiment silica gel check valve structural representation.
Fig. 3 is this utility model preferred embodiment counterflow-preventing ureter stopper structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.This utility model embodiment accompanying drawing, only for exemplary illustration, can not be interpreted as restriction of the present utility model.To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
embodiment 1
As shown in Figure 1, this utility model provides a kind of anti-reverse flow pattern ureter catheterization stent tube, comprises support body 1, is respectively equipped with kidney section 7 and bladder section 8 at the two ends of described support body 1; Described bladder section 8 end is provided with the silica gel check valve 2 with cross recess 21.
The profile of described bladder section 8 end is straight type.
The cross recess 21 of described silica gel check valve 2 is two orthogonal " one " notched cut, and the length of otch is less than described support body 1 internal diameter, and length range is 1.5mm ~ 3.0mm.
In described bladder section 8, open-type flattened ball Nang 3 is housed, open-type flattened ball Nang 3 two ends are included on described support body 1, closed at both ends, and the flat place of side opens osculum 31; The tube wall place being included in described support body 1 at described open-type flattened ball Nang 3 offers aperture.
Described open-type flattened ball Nang 3 length is less than 30mm, and width is less than 20mm.
Be positioned at the flat sacculus of described open-type 3 in described bladder section 8 and the side of described kidney section 7 is provided with moveable counterflow-preventing ureter stopper 6.
Described counterflow-preventing ureter stopper 6 is oval, and material is soft silica gel; Described support body 1 is close at the major axis center of the counterflow-preventing ureter stopper 6 of described ellipse, and major axis is greater than 10mm and is less than 20mm, and minor axis is greater than 5mm(15F) be less than 6mm(18F).
Be respectively arranged with anti-skidding ring for fixing in the both sides of described counterflow-preventing ureter stopper 6, anti-skidding ring for fixing comprises the lower anti-skidding ring for fixing 5 of the close flat sacculus of described open-type 3 and is positioned at the upper anti-skidding ring for fixing 4 of counterflow-preventing ureter stopper 6 opposite side; The material of anti-skidding ring for fixing is soft silica gel; Described anti-skidding ring for fixing is close to and is fixed on described support body 1.
Described anti-skidding ring for fixing 4 is fixed in the middle part of described support body 1 or middle subordinate 2/3rds place, and the distance from described counterflow-preventing ureter stopper 6 is 30mm.
Operation principle of the present utility model: the side opening by being similar to kidney section 7 end of pigtail after urine produces from renal pelvis flows downstream into bladder through support body 1 and also can produce certain pressure, silica gel check valve 2 is opened inflow bladder by pressure one tunnel produced by urine from the bladder section 8 of support body 1, one road is opened from little aperture open-type flattened ball Nang 3 and is flowed into bladder, but: (1) when the full full bladder of urine make silica gel check valve 2 external and internal pressure identical or external pressure is greater than interior pressure time, this pressure acts on the outer surface of the silica gel check valve 2 of bladder section 8, make cross recess 21 on this valve to internal strain, because the space making it be out of shape in managing is too little and otch 21 has outside elastic force, otch 21 on silica gel check valve 2 still can keep air-tight state, effectively prevent bladder urine adverse current to renal pelvis, because kidney is constantly producing urine, after Renal pelvic pressure power is greater than intravesical pressure, silica gel check valve 2 can be opened automatically, (2) when the full full bladder of urine, when bladder pressure is greater than kidney Inner pressure, open-type flattened ball Nang 3 can in external pressure effect or the flat sacculus of open-type 3 natural enclosing osculum 31 under natural tension force, effectively prevent bladder urine adverse current to renal pelvis, because kidney is constantly producing urine, after Renal pelvic pressure power is greater than intravesical pressure, open-type flattened ball Nang 3 can under intrinsic pressure power effect, and urine flows out open-type flattened ball Nang 3 naturally, meanwhile, clinician according to the position of patient ureter's length reasonable selection counterflow-preventing ureter stopper 6, can carry out effective shutoff to bladder section 8 ureteric orifice, prevents urine adverse current to kidney.
This utility model uses the above-mentioned disease of clinical interventional therapy process, its mechanism acts on wall, produce and continue soft radial expansion force, make narrow positions recover unobstructed and be close to ureter inwall, sticking to mould is embedded, promote that epithelial cell covers, prevent calculus from producing, the more important thing is that it effectively prevents urine to enter kidney from bladder adverse current, decrease the misery that patient is above-mentioned, prevent secondary upper urinary and expansion hydrops, secondary urinary tract infection and recurrence of hepatolithiasis probability are reduced greatly.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included in of the present utility model comprising within scope.
Claims (9)
1. a new medical ureteral catheter system, comprises support body, is respectively equipped with kidney section and bladder section at the two ends of described support body, and described bladder section end is provided with silica gel check valve, it is characterized in that, described silica gel check valve has cross recess; Be provided with open-type flattened ball Nang in described bladder section, open-type flattened ball Nang two ends are included on described support body, closed at both ends, and the flat place of side opens osculum, and the tube wall place being included in described support body at described open-type flattened ball Nang offers aperture.
2. new medical ureteral catheter system according to claim 1, is characterized in that, the profile of described bladder section end is in letter " J " shape or straight type.
3. new medical ureteral catheter system according to claim 1, it is characterized in that, the cross recess of described silica gel check valve is two orthogonal " one " notched cut, and the length of otch is less than described support internal diameter of tube body, and length range is 1.5mm ~ 3.0mm.
4. new medical ureteral catheter system according to claim 1, it is characterized in that, described open-type flattened ball Nang length is less than 30mm, and width is less than 20mm.
5. new medical ureteral catheter system according to claim 1 or 4, is characterized in that, is positioned at described open-type flat sacculus the side of described kidney section is provided with moveable counterflow-preventing ureter stopper in described bladder section.
6. new medical ureteral catheter system according to claim 5, is characterized in that, described counterflow-preventing ureter stopper is oval; Described support body is close at the major axis center of the counterflow-preventing ureter stopper of described ellipse.
7. new medical ureteral catheter system according to claim 6, it is characterized in that, the major axis of described ellipse is greater than 10mm and is less than 20mm, and minor axis is greater than 5mm and is less than 6mm.
8. new medical ureteral catheter system according to claim 7, it is characterized in that, be respectively arranged with anti-skidding ring for fixing in the both sides of described counterflow-preventing ureter stopper, anti-skidding ring for fixing comprises the lower anti-skidding ring for fixing of the close flat sacculus of described open-type and is positioned at the upper anti-skidding ring for fixing of counterflow-preventing ureter stopper opposite side; The material of anti-skidding ring for fixing is soft silica gel; Described anti-skidding ring for fixing is close to and is fixed on described support body.
9. new medical ureteral catheter system according to claim 8, it is characterized in that, described anti-skidding ring for fixing is fixed in the middle part of described support body or middle subordinate 2/3rds place, and the distance from described counterflow-preventing ureter stopper is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093936.3U CN204446944U (en) | 2015-02-10 | 2015-02-10 | New medical ureteral catheter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093936.3U CN204446944U (en) | 2015-02-10 | 2015-02-10 | New medical ureteral catheter system |
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| Publication Number | Publication Date |
|---|---|
| CN204446944U true CN204446944U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093936.3U Expired - Fee Related CN204446944U (en) | 2015-02-10 | 2015-02-10 | New medical ureteral catheter system |
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| CN (1) | CN204446944U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730259A (en) * | 2017-01-26 | 2017-05-31 | 中国人民解放军第三〇九医院 | A kind of bipartite uterus radiography water service pipe |
| CN113350654A (en) * | 2015-07-20 | 2021-09-07 | 斯卓特凯系统有限责任公司 | Ureteral and bladder catheters and methods of introducing negative pressure to increase renal perfusion |
| US11471583B2 (en) | 2015-07-20 | 2022-10-18 | Roivios Limited | Method of removing excess fluid from a patient with hemodilution |
| US11541205B2 (en) | 2015-07-20 | 2023-01-03 | Roivios Limited | Coated urinary catheter or ureteral stent and method |
| US11612714B2 (en) | 2015-07-20 | 2023-03-28 | Roivios Limited | Systems and methods for inducing negative pressure in a portion of a urinary tract of a patient |
| US11752300B2 (en) | 2015-07-20 | 2023-09-12 | Roivios Limited | Catheter device and method for inducing negative pressure in a patient's bladder |
| US11896785B2 (en) | 2015-07-20 | 2024-02-13 | Roivios Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
| US11918754B2 (en) | 2015-07-20 | 2024-03-05 | Roivios Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
-
2015
- 2015-02-10 CN CN201520093936.3U patent/CN204446944U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350654A (en) * | 2015-07-20 | 2021-09-07 | 斯卓特凯系统有限责任公司 | Ureteral and bladder catheters and methods of introducing negative pressure to increase renal perfusion |
| US11420014B2 (en) | 2015-07-20 | 2022-08-23 | Roivios Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
| US11471583B2 (en) | 2015-07-20 | 2022-10-18 | Roivios Limited | Method of removing excess fluid from a patient with hemodilution |
| US11541205B2 (en) | 2015-07-20 | 2023-01-03 | Roivios Limited | Coated urinary catheter or ureteral stent and method |
| US11612714B2 (en) | 2015-07-20 | 2023-03-28 | Roivios Limited | Systems and methods for inducing negative pressure in a portion of a urinary tract of a patient |
| US11752300B2 (en) | 2015-07-20 | 2023-09-12 | Roivios Limited | Catheter device and method for inducing negative pressure in a patient's bladder |
| US11896785B2 (en) | 2015-07-20 | 2024-02-13 | Roivios Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
| US11904113B2 (en) | 2015-07-20 | 2024-02-20 | Roivios Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
| US11904121B2 (en) | 2015-07-20 | 2024-02-20 | Roivios Limited | Negative pressure therapy system |
| US11918754B2 (en) | 2015-07-20 | 2024-03-05 | Roivios Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
| CN113350654B (en) * | 2015-07-20 | 2024-04-12 | 罗维奥斯有限公司 | Ureter and bladder catheter and method of introducing negative pressure to increase renal perfusion |
| CN106730259A (en) * | 2017-01-26 | 2017-05-31 | 中国人民解放军第三〇九医院 | A kind of bipartite uterus radiography water service pipe |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160210 |