CN100460029C - Slowly-released drug beg with air cell inside bladder - Google Patents
Slowly-released drug beg with air cell inside bladder Download PDFInfo
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- CN100460029C CN100460029C CNB2004100990934A CN200410099093A CN100460029C CN 100460029 C CN100460029 C CN 100460029C CN B2004100990934 A CNB2004100990934 A CN B2004100990934A CN 200410099093 A CN200410099093 A CN 200410099093A CN 100460029 C CN100460029 C CN 100460029C
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- medicine bag
- bag
- backguy
- medicine
- air bag
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Abstract
A medicine capsule with air bag able to slowly release medicine in urinary bladder is composed of a medicine capsule with medicine cavity, front medicine releasing pinhole, and rear guide rod cavity, a hollow external tube connected weakly with the rear end of medicine capsule and holding a guide rod in it, and an air bag surrounding said medicine capsule. In the wall of said medicine capsule, there are the first and the second aerating tubes and an air releasing unit.
Description
(1) technical field
The present invention relates to a kind of medical surgical instrument, doser in especially a kind of bladder cavity.
(2) background technology
Tumor of bladder is the urinary system most common tumor.The intravesical perfusion chemotherapy is the important therapeutic modality of tumor of bladder.And bladder stores internal organs as urine temporarily, needs the regular discharge urine.Therefore, the medicine retention time of intravesical perfusion chemotherapy can not be oversize, influences the effect of bladder chemotherapy like this.Overactive bladder be a kind of be quite common chronic disease, show as urine urgency-frequency, or merge urge incontinence, can seriously perplex patient's life.As adopting intravesical to continue the slowly technology of the topical of release, the overactive bladder patient can avoid the whole body administration to bring the trouble of side effect and frequent medication.Therefore, a kind ofly can become one of the striving direction in Urology Surgery field in the technology that intravesical continues the topical remedy that slowly discharges.
(3) summary of the invention
In order to overcome the deficiency that prior art can not continue slowly to discharge medicine at intravesical, the invention provides a kind of intravesical slow release medicine bag that can continue the slow band air bag that discharges at intravesical.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of intravesical slow release medicine bag with air bag comprises medicine bag, medicine bag air bag on every side, is provided with the drug storage blister cavities in the described medicine bag, and its front end is provided with and discharges the medicine aperture, and the rear end is provided with the guide rod chamber; Described slow release medicine bag also comprises a hollow outer tube, and described outer tube is connected with the rear end of medicine bag is weak, and the guide rod chamber of the cavity of described outer tube and medicine bag joins, and is provided with guide rod in the described cavity; Be provided with first gas tube in the outer wall of described medicine bag, it is connected with the import of air bag by check valve; Be provided with second gas tube in the tube wall of described outer tube, second gas tube is communicated with first gas tube, and second gas tube is connected with first gas tube is weak; Also be provided with means of deflation on the outer wall of described medicine bag, described means of deflation connects described air bag; Also be provided with an external cable that is used to pull out medicine bag, external cable one end is connected the medicine bag rear end, and the other end places external.
Further, described means of deflation comprises the backguy aperture of the medicine bag wall of valve between the outlet of described guide rod chamber and air bag, communicated air bags medial and lateral, and described valve is connected with the medicine bag outer wall is weak; Described valve connects the venting backguy, and described backguy aperture is passed in described venting backguy.
Further again, the cavity of outer tube is all passed in described external cable, venting backguy, and described venting backguy is connected with external cable and outer drawknot, and described outer drawknot is connected by interior backguy with the medicine bag rear end, and described interior backguy is provided with the surplus section.
Further, described interior backguy is two, is connected on the upper tube wall of medicine bag rear end, the following tube wall.
Described weakness is connected to the weak connection of membrane type.
Described check valve is a valve inside.
Valve between described guidewire lumen and the air bag is the rubber bulb valve.
Using method of the present invention is: during placement, medicine bag is inserted urethra together with outer tube, guide rod passes the cavity of outer tube, and the one end is positioned at the guiding of guide rod intracavity and inserts; Behind bladder, by injecting normal saline to first gas tube and second gas tube, the air vesicle that rises is outwards extracted guide rod and outer tube.Cut off the outer unnecessary part of external cable urethra, take out medicine bag, as long as outside tractive external cable, make the weak spot of rubber bulb valve tear, the inner chamber of flow direction medicine bag rear end in the air bag, air bag subsides, continue firmly, further the support tube of medicine bag is pulled out urethra to external.
Beneficial effect of the present invention mainly shows: 1, because medicine bag band air bag, can rest on intravesical for a long time, can not urinate and excrete, can continue slowly to discharge medicine at intravesical; 2, installation is convenient to remove; 3, external cable is thin, and is little to the stimulation of urethra; 4, do not influence the urinating of patient, daily life and social activity.
(4) description of drawings
Fig. 1 is the structural representation of the intravesical slow release medicine bag of band air bag of the present invention.
Fig. 2 is the partial enlarged drawing of the connection tube of first gas tube and second gas tube
Fig. 3 is the partial enlarged drawing of valve inside.
Fig. 4 is the partial enlarged drawing of means of deflation
(5) specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to Fig. 1, a kind of intravesical slow release medicine bag with air bag, comprise medicine bag 12, medicine bag 12 air bag 8 on every side, be provided with drug storage blister cavities 10 in the medicine bag 12, the front end of medicine bag 12 is provided with and discharges medicine aperture 11, and the rear end is provided with guide rod chamber 7; The slow release medicine bag also comprises a hollow outer tube 2, and described outer tube 2 is connected with the rear end of medicine bag 12 is weak, and the cavity 3 of outer tube joins with the guide rod chamber 7 of medicine bag, is provided with guide rod 4 in this cavity 3; Be provided with first gas tube 14 in the outer wall of medicine bag 12, it is connected with the import of air bag 8 by check valve 13, and described check valve 13 is a valve inside; Be provided with second gas tube, 17, the second gas tubes 17 in the tube wall of outer tube 2 and be communicated with first gas tube 14, and second gas tube 17 is connected by connection tube 15 weaknesses with first gas tube 14; Also be provided with means of deflation 9 on the outer wall of medicine bag 12, this means of deflation 9 connects air bag 8; Also be provided with an external cable 1 that is used to pull out medicine bag, external cable 1 is connected the medicine bag rear end.And pass the cavity 3 of outer tube
Means of deflation 9 comprises the backguy aperture 18 that is provided with the medicine bag wall of rubber bulb valve 19, communicated air bags medial and lateral between the outlet of medicine bag guide rod chamber 7 and air bag 8, and described valve 19 is connected by weak spot 20 with medicine bag 12 outer walls; Described valve 19 connects venting backguy 6, and described backguy aperture 18 is passed in described venting backguy 6.
Described venting backguy 6, external cable 1 pass the cavity 3 of outer tube, described venting backguy 6 is connected with external cable 1 and outer drawknot 5, described outer drawknot 5 is connected by interior backguy 16 with the medicine bag rear end, backguy 16 is provided with the surplus section in described, when valve 19 is drawn back in the venting backguy, interior backguy does not still have tensioning, further spur external cable 1 again after, can spur medicine bag 12; Backguy 16 has two in described, and their end is connected to an outer drawknot 5, and the other end is connected on the rear end upper tube wall of described medicine bag 12, the following tube wall.Above-mentioned weakness is connected to the weak connection of membrane type.
During placement, medicine bag is inserted urethra together with outer tube, behind bladder, by injecting normal saline to first gas tube and second gas tube, the air vesicle that rises because described medicine bag 12 rear ends are connected with an outer tube 2 weaknesses, is provided with second gas tube 17 in described outer tube 2 tube walls, with described 14 weak connections of first gas tube, the weakness between them connects makes the junction between them break easily.After the insertion medicine bag puts in place, can outwards pull out outer tube 2, the weakness between them connects makes the junction between them break easily.After inserting medicine bag and putting in place, can outwards pull out outer tube, the weakness of 12 of outer tube 2 and medicine bags is connected, first gas tube is connected fracture with weakness between second gas tube, thereby extracts outer tube 2.Cut off the outer unnecessary part of external cable urethra, take out medicine bag, as long as outside tractive external cable, make the weak spot of rubber bulb valve tear, the inner chamber of flow direction medicine bag rear end in the air bag, air bag subsides, continue firmly, further the support tube of medicine bag is pulled out urethra to external.
When intravesical administration, earlier the medicine that uses is put into described medicine storing bag 10.Inject lubricant and anesthetis in urethra, smear lubricant for medicine bag 12 and outer tube 2, medicine bag 12 is inserted urethra together with outer tube 2, behind bladder, by injecting normal saline to second gas tube 17 and first gas tube 14 in air bag 8, air vesicle 8 rises.Outwards extract guide rod 4, and outwards pull out outer tube 2, outer tube 2 is connected with weakness between the medicine bag 12, first gas tube 14 is connected fracture with the weakness of 17 of second gas tubes, thereby extracts outer tube 2.Cut off the outer unnecessary part of external cable 1 urethra.More than operating in B ultrasonic monitors better down.
Take out medicine bag 12, as long as outside tractive external cable 1 makes weak spot 20 tear, flow direction medicine bag inner chamber 7 in the air bag 8, air bag 8 subsides, and continues firmly, and backguy 16 was pulled out urethra to external with medicine bag 12 in external cable 1 drove.
Claims (7)
1. intravesical slow release medicine bag with air bag is characterized in that: comprise the air bag around medicine bag, the medicine bag, be provided with the drug storage blister cavities in the described medicine bag, its front end is provided with and discharges the medicine aperture, and the rear end is provided with the guide rod chamber;
Described slow release medicine bag also comprises a hollow outer tube, and described outer tube is connected with the rear end of medicine bag is weak, and the guide rod chamber of the cavity of described outer tube and medicine bag joins, and is provided with guide rod in the described cavity;
Be provided with first gas tube in the outer wall of described medicine bag, it is connected with the import of air bag by check valve; Be provided with second gas tube in the tube wall of described outer tube, second gas tube is communicated with first gas tube, and second gas tube is connected with first gas tube is weak;
Also be provided with means of deflation on the outer wall of described medicine bag, described means of deflation connects described air bag;
Also be provided with an external cable that is used to pull out medicine bag, external cable one end is connected the medicine bag rear end, and the other end places external.
2. the intravesical slow release medicine bag of band air bag as claimed in claim 1, it is characterized in that: described means of deflation comprises the backguy aperture of the medicine bag wall of valve between the outlet of described guide rod chamber and air bag, communicated air bags medial and lateral, and described valve is connected with the medicine bag outer wall is weak; Described valve connects the venting backguy, and described backguy aperture is passed in described venting backguy.
3. the intravesical slow release medicine bag of band air bag as claimed in claim 2, it is characterized in that: the cavity of outer tube is all passed in described external cable, venting backguy, described venting backguy and external cable are connected in outer drawknot, described outer drawknot is connected by interior backguy with the medicine bag rear end, and described interior backguy is provided with the surplus section.
4. the intravesical slow release medicine bag of band air bag as claimed in claim 3 is characterized in that: backguy is two in described, is connected on the upper tube wall of medicine bag rear end, the following tube wall.
5. the intravesical slow release medicine bag of band air bag as claimed in claim 4 is characterized in that: described weakness is connected to the weak connection of membrane type.
6. the intravesical slow release medicine bag of band air bag as claimed in claim 5 is characterized in that: described check valve is a valve inside.
7. the intravesical slow release medicine bag of band air bag as claimed in claim 6 is characterized in that: the valve between the outlet of described guide rod chamber and air bag is the rubber bulb valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100990934A CN100460029C (en) | 2004-12-24 | 2004-12-24 | Slowly-released drug beg with air cell inside bladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100990934A CN100460029C (en) | 2004-12-24 | 2004-12-24 | Slowly-released drug beg with air cell inside bladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1795939A CN1795939A (en) | 2006-07-05 |
| CN100460029C true CN100460029C (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100990934A Expired - Fee Related CN100460029C (en) | 2004-12-24 | 2004-12-24 | Slowly-released drug beg with air cell inside bladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100460029C (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306241A (en) * | 1990-08-16 | 1994-04-26 | Samples Charles R | Method of catheterization on and bladder drainage |
| WO1997019715A1 (en) * | 1995-12-01 | 1997-06-05 | Cohen Kenneth L | Internal urinary catheter |
| CN2258402Y (en) * | 1994-11-16 | 1997-07-30 | 济南市第四人民医院 | Uterine cavity catheter |
| US6500144B1 (en) * | 2000-09-15 | 2002-12-31 | Scimed Life Systems, Inc. | Steerable catheter and self-mounting center support for use with same |
| US6524268B2 (en) * | 2001-06-12 | 2003-02-25 | George M. Hayner | Combination ureteral infusion catheter/drainage stent |
| US6527737B2 (en) * | 2000-01-24 | 2003-03-04 | Tatsuo Kaneshige | Indwelling urethra catheter |
| CN2794535Y (en) * | 2004-12-24 | 2006-07-12 | 浙江大学医学院附属第一医院 | Slow release medicine capsule in bladder with air sac |
-
2004
- 2004-12-24 CN CNB2004100990934A patent/CN100460029C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306241A (en) * | 1990-08-16 | 1994-04-26 | Samples Charles R | Method of catheterization on and bladder drainage |
| CN2258402Y (en) * | 1994-11-16 | 1997-07-30 | 济南市第四人民医院 | Uterine cavity catheter |
| WO1997019715A1 (en) * | 1995-12-01 | 1997-06-05 | Cohen Kenneth L | Internal urinary catheter |
| US6527737B2 (en) * | 2000-01-24 | 2003-03-04 | Tatsuo Kaneshige | Indwelling urethra catheter |
| US6500144B1 (en) * | 2000-09-15 | 2002-12-31 | Scimed Life Systems, Inc. | Steerable catheter and self-mounting center support for use with same |
| US6524268B2 (en) * | 2001-06-12 | 2003-02-25 | George M. Hayner | Combination ureteral infusion catheter/drainage stent |
| CN2794535Y (en) * | 2004-12-24 | 2006-07-12 | 浙江大学医学院附属第一医院 | Slow release medicine capsule in bladder with air sac |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1795939A (en) | 2006-07-05 |
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Granted publication date: 20090211 Termination date: 20141224 |
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