CN102908715A - Contact limiting type double-saccule three-cavity catheter - Google Patents
Contact limiting type double-saccule three-cavity catheter Download PDFInfo
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- CN102908715A CN102908715A CN2012104358789A CN201210435878A CN102908715A CN 102908715 A CN102908715 A CN 102908715A CN 2012104358789 A CN2012104358789 A CN 2012104358789A CN 201210435878 A CN201210435878 A CN 201210435878A CN 102908715 A CN102908715 A CN 102908715A
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Abstract
The invention relates to a contact limiting type double-saccule three-cavity catheter, and belongs to the technical field of medical assisting instruments. The three-cavity catheter is characterized in that a tube body is made of polymer blend; the outer walls of the two saccules of the catheter become thinner and thinner from the pointed end to the tail end of the three-cavity catheter; and the two saccules are symmetrically arranged on two sides of the tube body and between the pointed end and a drain tube cavity hole. The catheter is used according to the method that water injection or gas injection can be carried out as long as urine enters into the catheter; the two saccules of the catheter, which are arranged behind a bladder, tilt to the tail end in a water injection or gas injection state; the space formed among the tilting saccules, the catheter and the bottom of a bladder wall can sufficiently accommodate a vesical trigone and an excretion cavity drainage hole; the walls of the saccules are not contacted with or are slightly contacted with the vesical trigone; the catheter can be fixed in the bladder continuously without pressing the vesical trigone and ureter ports; a drain tube cavity drainage hole is adjacent to the ureter ports, so as to evacuate urine promptly and radically without residual; and the pointed end of the catheter, the two saccules, feed-through saccule water injection or gas injection tube cavities, the drain tube cavity drainage hole, a drain tube cavity, a saccule water injection or gas injection anti-reflow valve and an excretion cavity tapered interface are connected to form an integral piece through the tube body. Therefore, the clinical application effect is obvious.
Description
Technical field
The present invention relates to the two sacculus three-cavity catheters of a kind of Restricted Contact type, belong to the medical auxiliary apparatus technical field.
Background technology
Need insert catheter, indwelling catheter in medical domain internal disease, surgical diseases, obstetrical and gynecological disease, orthopaedic disease and urology department disease.Catheter is a kind of medical auxiliary apparatus commonly used, can insert bladder so that the guiding urine flows out via sick urethra.After catheter inserts bladder, near the catheter head end sacculus is arranged, with so that catheter fixedly is retained in intravesical and is difficult for deviating from, the drain of catheter partly connects urinal collection urine.The indwelling catheter FAQs has urinary tract infection, inadequate drainage, difficulty in decannulation, cystospasm or contracture etc., but modal complication is urinary system infection.A delta-shaped region of fundus of bladder inner face is between two ureteric orificies and internal urethral orifice.Trigone of bladder is the predilection site of tumor, tuberculosis and inflammation, is cystoscopic key area, and important clinical meaning is arranged.
Between existing sacculus three-cavity catheter atria conduction hole and the fundus of bladder 3-5cm distance is arranged, and be separated with a sacculus, have all the time the part urine to continue to residue in the bladder bottom; Intravesical urine is generally aseptic, but urine also is simultaneously the environment that antibacterial is fit to, easily breed bacteria; When urine can't be emptied completely, urine was stayed the bladder bottom, and the antibacterial of leaving generates, also just easily inflammation; Catheter contacts with remaining urine in intravesical as the foreign body prolonged stay, and is easily that the calculus mineralization is terminal in urinary catheter, forms calculus; Rounded after sacculus water-filling or the inflation, airbag wall continue to stimulate the friction trigone of bladder, brings out inflammation, and patient frequent micturition, urgent micturition, hypogastric region occur and suppresses swollen uncomfortable; Urethra is lax and cause leakage of urine, old women, and intracranial lesion, flesh and sphincter of urethra are lax and cause leakage of urine at the bottom of patient's basin of paraplegia; In addition, long term indwelling catheter makes bladder be in for a long time hollow state, and the detrusor of bladder disuse atrophy causes contracture of bladder; Traditional catheter using method needs to insert about 3cm after seeing urine, could water filling or gas injection.
Summary of the invention
The objective of the invention is to overcome existing sacculus three-cavity catheter inserts in the body, need to insert again about 3cm after seeing urine, ability water filling or inflation, the 3-5cm distance is arranged between saccule urinary catheter atria conduction hole and the fundus of bladder, and be separated with a sacculus, have all the time the part urine to continue to residue in the bladder bottom, breed bacteria, be inflamed, form calculus, cause leakage of urine; Airbag wall continue to stimulate the friction trigone of bladder, brings out inflammation, and patient frequent micturition, urgent micturition, hypogastric region occur and suppresses swollen uncomfortable; In addition, long term indwelling catheter, make bladder be in for a long time hollow state, the detrusor of bladder disuse atrophy, cause the defectives such as contracture of bladder, provide a kind of Restricted Contact type two sacculus three-cavity catheters, this catheter sees that urine gets final product water filling or inflation, not only fixation after inserting bladder, do not deviate from, and trigone of bladder do not produced stimulation, residual without urine, without irritative symptoms of bladder, without the leakage of urine phenomenon, the bladder of two sacculus filling inanitions that expand after water filling or the gas injection makes bladder be in half tension state, thereby has dissolved the multiple complications that existing saccule urinary catheter produces.
For achieving the above object, the technical scheme that adopts is: the two sacculus three-cavity catheters of a kind of Restricted Contact type, comprise body, most advanced and sophisticated, flushing tube chamber liquid outlet, the flushing tube chamber, two sacculus, logical sacculus water filling or gas injection tube chamber, drain the tube chamber conduction hole, drain tube chamber, sacculus water filling or gas injection anti back-flow valve, the atria cone-shaped interface, flushing chamber cone-shaped interface, flushing chamber switch forms, it is characterized in that: described body is by a kind of blend polymer manufacturing, described flushing tube chamber liquid outlet places the either side body inclined-plane at described tip and described drainage tube chamber conduction hole interval described sacculus section body symmetrical, connect by flushing tube chamber and flushing chamber cone-shaped interface, flushing chamber cone-shaped interface can play the adapter effect of catheter, it can be connected to other device, flushing chamber switch places flushing chamber cone-shaped interface, can block described flushing tube chamber fully during use, described flushing chamber switch can separate with described body, the lateral wall of two sacculus of described catheter is from most advanced and sophisticated caudad gradually the sacculus lateral wall of attenuation and full the sacculus lateral wall formation of thin layer, the sacculus medial wall is described body, and place symmetrically the both sides of the described body between described tip and the described excretory duct lumen pore, behind the logical sacculus water filling of described catheter or the gas injection tube chamber either side body by the excretory duct lumen pore both sides of described catheter, be divided into two and form the identical logical sacculus water filling of two isometric calibers or gas injection tube chamber and communicate with close described catheter sacculus respectively, described catheter using method, see that urine gets final product water filling or inflation, it is separate that described catheter places retrovesical two sacculus to annotate under water filling or the gas injection state, caudad tilts.Trigone of bladder is large enough to hold in the framework space that the air bag that tilts and catheter and wall of urinary bladder bottom form, described atria conduction hole, and airbag wall does not contact with trigone of bladder or a little contact is arranged, sustainable fixing described catheter is in intravesical, do not deviate from, described catheter places retrovesical two sacculus to annotate under water filling or the gas injection state and does not oppress trigone of bladder, do not oppress ureteric orifice, described catheter places retrovesical two sacculus to annotate under water filling or the gas injection state, draining tube chamber conduction hole and ureteric orifice adjoins, the normal urine of intravesical and the unusual urine of pathological changes, in time thoroughly emptying, intravesical is without remaining, described catheter places retrovesical two sacculus notes water filling or gas injection state retrofilling in emptying bladder cavity, make tunica muscularis vesicae urinariae be in tension state, avoid bladder to be in for a long time hollow state, cause contracture of bladder, the tip of described catheter, flushing tube chamber liquid outlet, the flushing tube chamber, two sacculus, logical sacculus water filling or gas injection tube chamber, drain the tube chamber conduction hole, drain tube chamber, sacculus water filling or gas injection anti back-flow valve, the atria cone-shaped interface, flushing chamber cone-shaped interface is linked to be a single piece by body.
Further, behind described logical sacculus water filling or the gas injection tube chamber either side body by the drainage tube chamber conduction hole both sides of described catheter, being divided into two forms the identical logical sacculus water filling of two isometric calibers or gas injection tube chamber and communicates with close described catheter sacculus respectively, can wait simultaneously when water filling or gas injection to press to described two sacculus water fillings or gas injection.
Further, after described two sacculus water fillings or the gas injection, can automatically caudad tilt simultaneously, separate, the bottom A point of formed sacculus is order with B is wired to sacculus and both sides sacculus and is connected the end with body and puts vertical dimension that C orders greater than described drainage tube chamber conduction hole distance.Described catheter places retrovesical two sacculus to annotate under water filling or the gas injection state, because it is adjacent with ureteric orifice to drain the tube chamber conduction hole, by effects such as absorption, negative pressure, siphons, can make intravesical normal urine and the unusual urine drainage of pathological changes to external fully, noresidue.
Further, the body portion of described catheter is pushed and moldable material is made by a kind of, for example by a kind of polyolefin, such as polyethylene (PE) or polypropylene (PP), or a kind of poly copolymer, make such as ethylene vinyl acetate (EVA) or polrvinyl chloride (PVC) or Polyvinylidene or polyurethane (PU) or silicon.By injection-molded, the combination of extrusion molding and/or blow molding can be made a single piece with tip, flushing tube chamber liquid outlet, flushing tube chamber, two sacculus, logical sacculus water filling or gas injection tube chamber, drainage tube chamber conduction hole, drainage tube chamber, sacculus water filling or gas injection anti back-flow valve, atria cone-shaped interface, flushing chamber cone-shaped interfaces of described catheter by same material.
Further, in order to obtain good mechanical performance, obtain enough hardness and be used for desired use, can thoroughly sterilize by known sterilizing methods, be 75-85 for the preparation of the Durometer A hardness scope with the material of the body portion that consists of described catheter, preferable range is 78-82; And have radioresistance can tolerate at least 50kGy and there is no degraded; Also should have above 90 ℃, preferably surpass 110 ℃, and most preferably be the melt temperature above 130 ℃; Should demonstrate low elasticity for the preparation of the material with the body portion that consists of described catheter, have good kink performance, good dimensional stability.
Further, described blend polymer comprise the polyolefin of at least 80 % by weight and wherein may blending medical oil and/or paraffin.
Further, described sacculus water filling or gas injection anti back-flow valve afterbody pipeline and described flushing chamber switch are made by hard material, and described flushing chamber switch can separate with described body.
The invention has the beneficial effects as follows: catheter is most advanced and sophisticated level and smooth, after patient realizes that the human body of the two sacculus three-cavity catheters of Restricted Contact type is inserted, see that urine gets final product water filling or inflation, two of described head end sacculus evenly swell and automatically caudad inclination simultaneously behind water filling or the gas, trigone of bladder is large enough to hold in the framework space that the sacculus that tilts and catheter and wall of urinary bladder bottom form, described atria conduction hole, and airbag wall does not contact with trigone of bladder or a little contact is arranged, sustainable fixing described catheter is in intravesical, do not deviate from, do not oppress trigone of bladder, and the both sides ureteric orifice, drain tube chamber conduction hole and two ureteric orificies and adjoin, the normal urine of intravesical and the unusual urine of pathological changes, by absorption, negative pressure, the effects such as siphon can make intravesical normal urine and the unusual urine drainage of pathological changes to external, the intravesical noresidue fully.Described flushing tube chamber liquid outlet places the either side body inclined-plane at described tip and described drainage tube chamber conduction hole interval described sacculus section body symmetrical, connect by flushing tube chamber and flushing chamber cone-shaped interface, flushing chamber cone-shaped interface can play the adapter effect of catheter, it can be connected to other device, flushing chamber switch places flushing chamber cone-shaped interface, can block described flushing tube chamber fully during use, can inject processing solution to intravesical by this passage, the water conservancy diversion urine of can meeting an urgent need in case of necessity, described catheter places retrovesical two sacculus notes water filling or gas injection state retrofilling in emptying bladder cavity, make tunica muscularis vesicae urinariae be in tension state, avoid bladder to be in for a long time hollow state, the control contracture of bladder, patient's no pain, clinical practice achieves noticeable achievement.
Description of drawings
The invention will be further described below in conjunction with description of drawings and the specific embodiment:
Fig. 1 is the head end Facad structure schematic diagram of the two sacculus three-cavity catheters of Restricted Contact type of the present invention;
Fig. 2 is the head end side structure schematic diagram of the two sacculus three-cavity catheters of Restricted Contact type of the present invention;
Fig. 3 is the middle cross-sectional view in the head end front of the two sacculus three-cavity catheters of the E section of Fig. 6 Restricted Contact type of the present invention;
Fig. 4 is positive 1/4 cross-sectional view of the head end of the two sacculus three-cavity catheters of the F section of Fig. 6 Restricted Contact type of the present invention;
Fig. 5 is the tail end structural representation of the two sacculus three-cavity catheters of Restricted Contact type of the present invention;
Fig. 6 is the two sacculus three-cavity catheter D place's cross section structure schematic diagrams (amplification) of Fig. 5 Restricted Contact type of the present invention;
Fig. 7 is the structural representation after the two sacculus three-cavity catheter sacculus water fillings of Restricted Contact type of the present invention or the gas injection;
Among the figure: the 1-body; 2-is most advanced and sophisticated; 3-sacculus blister cavities; 4-atria conduction hole; The 5-atria; The logical sacculus water filling of 6-or gas injection tube chamber; 7-from head end caudad gradually attenuation the sacculus lateral wall; The sacculus lateral wall of the full thin layer of 8-; The logical sacculus water filling of 9-or the logical sacculus hole of gas injection tube chamber; The logical sacculus water filling of 10-or gas injection tube chamber head part prong; Tube chamber behind the logical sacculus water filling of 11-or the gas injection tube chamber head part fork; 12-washes tube chamber; 13-flushing tube chamber liquid outlet; The water filling of 14-sacculus or gas injection anti back-flow valve; 15-atria cone-shaped interface; 16-flushing chamber cone-shaped interface; The folder make and break of 17-flushing chamber is closed; After the water filling of A-sacculus or the gas injection at the bottom of the sacculus; After the water filling of B-sacculus or the gas injection at the bottom of the sacculus; C-both sides sacculus is connected end point with body; The transversal profile of D-body; Section in the middle of the E-body front; Positive 1/4 section of F-body.
The specific embodiment
At accompanying drawing 1 to accompanying drawing 7, the two sacculus two chamber catheters of a kind of Restricted Contact type, comprise body 1, most advanced and sophisticated 2, flushing tube chamber liquid outlet 13, flushing tube chamber 12, two sacculus, logical sacculus water filling or gas injection tube chamber 6, drain tube chamber conduction hole 4, drain tube chamber 5, sacculus water filling or gas injection anti back-flow valve 14, atria cone-shaped interface 15, flushing chamber cone-shaped interface 16, flushing chamber switch 17 forms, the medial wall of two sacculus is made of body 1, the lateral wall is by caudad the sacculus lateral wall 7 of gradually attenuation and the sacculus lateral wall 8 of full thin layer consist of from head end, the lateral wall of two sacculus of described catheter is from most advanced and sophisticated 2 caudad gradually attenuation, and the both sides that place symmetrically tip 2 and drain the body 1 between the tube chamber conduction hole 4, logical sacculus water filling or gas injection tube chamber 6 be by behind the either side body 1 of excretory duct lumen pore 4 both sides, is divided into two to form two isometric logical sacculus water fillings or gas injection tube chamber 11 and communicate with close described catheter balloon cavity 3 respectively.
After patient realizes that the human body of the two sacculus two chamber catheters of Restricted Contact type is inserted, see that urine is available syringe through sacculus water filling or gas injection anti back-flow valve 12 to 3 simultaneously water filling or the inflations of two sacculus blister cavities, sterilized water or gas enter the logical sacculus water filling of pipe or gas injection tube chamber 6 from valve 12, arrive logical sacculus water filling or gas injection tube chamber head part prong 10, be divided into two, tube chamber 11 behind isometric logical sacculus water filling or gas injection tube chamber head part fork respectively, arrive two identical sacculus blister cavities 3 with identical pressure with speed, behind water filling or the gas two of described head end sacculus from head end caudad gradually attenuation sacculus lateral wall 7 and the sacculus lateral wall 8 of full thin layer, evenly swell simultaneously and automatically caudad inclination with identical speed, form two identical water droplet sample sacculus at intravesical, form obstacle, fixing catheter, guarantee that the two sacculus two chamber catheters of Restricted Contact type can't deviate from from urethra, the framework space that the sacculus 8 that tilts forms with the wall of urinary bladder bottom under the body 1 of catheter supports, be large enough to hold trigone of bladder, the atria conduction hole, and balloon wall does not contact with trigone of bladder or a little contact is arranged, sustainable fixing described catheter is in intravesical, do not deviate from, do not oppress trigone of bladder, and both sides ureteric orifice, drainage tube chamber conduction hole 4 and two ureteric orificies adjoin, the normal urine of intravesical and the unusual urine of pathological changes, by absorption, negative pressure, the effects such as siphon, can make intravesical normal urine and the unusual urine of pathological changes by atria 5 fully, atria cone-shaped interface 13 drains into external, the intravesical noresidue, atria cone-shaped interface 13 can play the adapter effect of catheter, it can be connected to other device, for example collecting bag, drainage tube, syringe etc.Described flushing tube chamber liquid outlet 13 places described most advanced and sophisticated 2 either side body 1 inclined-plane and described drainage tube chamber conduction hole 4 intervals described sacculus section body 1 symmetrical, connect by flushing tube chamber 12 and flushing chamber cone-shaped interface 16, flushing chamber cone-shaped interface 16 can play the adapter effect of catheter, it can be connected to other device, flushing chamber switch 17 places flushing chamber cone-shaped interface, can block described flushing tube chamber 12 fully during use, can inject processing solution to intravesical by this passage, the water conservancy diversion urine of can meeting an urgent need in case of necessity, after two sacculus 7 and 8 water fillings or the gas injection, can automatically caudad tilt simultaneously, form respectively two sacculus independently, the A point is order with B at the bottom of the sacculus is wired to sacculus and described both sides sacculus and is connected vertical dimension that the end point C order with body greater than described excretory duct lumen pore distance 4, described catheter places retrovesical two sacculus 7 and 8 water fillings or gas injection state retrofilling in emptying bladder cavity, make tunica muscularis vesicae urinariae be in tension state, avoid bladder to be in for a long time hollow state, the control contracture of bladder, patient's no pain, clinical practice achieves noticeable achievement.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. two sacculus three-cavity catheters of a Restricted Contact type, comprise body, most advanced and sophisticated, flushing tube chamber liquid outlet, the flushing tube chamber, two sacculus, logical sacculus water filling or gas injection tube chamber, drain the tube chamber conduction hole, drain tube chamber, sacculus water filling or gas injection anti back-flow valve, the atria cone-shaped interface, flushing chamber cone-shaped interface, flushing chamber switch forms, it is characterized in that: described body is by a kind of blend polymer manufacturing, the lateral wall of two sacculus of described catheter by from most advanced and sophisticated caudad gradually the sacculus lateral wall of the sacculus lateral wall of attenuation and full thin layer consist of, the medial wall is body, and place symmetrically both sides most advanced and sophisticated and that drain the body between the tube chamber conduction hole, behind the logical sacculus water filling of described catheter or the gas injection tube chamber arbitrary body by the both sides of the drainage tube chamber conduction hole of described catheter, be divided into two and form two isometric logical sacculus water fillings or gas injection tube chamber and communicate with close described catheter balloon cavity respectively, described flushing tube chamber liquid outlet places the either side body inclined-plane at described tip and described drainage tube chamber conduction hole interval described sacculus section body symmetrical, the tip of described catheter, flushing tube chamber liquid outlet, the flushing tube chamber, two sacculus, logical sacculus water filling or gas injection tube chamber, drain the tube chamber conduction hole, drain tube chamber, sacculus water filling or gas injection anti back-flow valve, the atria cone-shaped interface, flushing chamber cone-shaped interface is connected by described body.
2. two sacculus three-cavity catheters of described a kind of Restricted Contact type according to claim 1, it is characterized in that: behind described logical sacculus water filling or the gas injection tube chamber either side body by the both sides of the drainage tube chamber conduction hole of described catheter, being divided into two forms the identical logical sacculus water filling of two isometric calibers or gas injection tube chamber and communicates with close described catheter balloon cavity respectively, can be simultaneously when water filling or gas injection isobaric with identical speed to described two balloon cavity water fillings or gas injection.
3. two sacculus three-cavity catheters of described a kind of Restricted Contact type according to claim 1 and 2, it is characterized in that: after described two sacculus water fillings or the gas injection, can automatically caudad tilt simultaneously, form respectively two sacculus independently, A point is order with B at the bottom of the sacculus is wired to sacculus and described both sides sacculus and is connected the end with body and puts vertical dimension that C orders greater than described excretory duct lumen pore distance.
4. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim, it is characterized in that: described sacculus water filling or gas injection anti back-flow valve afterbody pipeline and described flushing chamber switch are made by hard material, and described flushing chamber switch can separate with described body.
5. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim, it is characterized in that: described catheter places retrovesical two sacculus to annotate under water filling or the gas injection state, drain the tube chamber conduction hole adjacent with ureteric orifice, but urine in the empty bladder, noresidue.
6. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim, it is characterized in that: the Durometer A hardness scope of described matrix is 75-85, preferable range is 78-82.
7. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim is characterized in that: described matrix has radioresistance and there is no degraded can tolerate at least 50kGy.
8. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim, it is characterized in that: described matrix is pushed and moldable material is made by a kind of, for example by a kind of polyolefin, such as polyethylene (PE) or polypropylene (PP), or a kind of poly copolymer, make such as ethylene vinyl acetate (EVA) or polrvinyl chloride (PVC) or Polyvinylidene.
9. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim is characterized in that: described blend polymer comprise the polyolefin of at least 80 % by weight and wherein may blending medical oil and/or paraffin.
10. two sacculus three-cavity catheters of any Restricted Contact type in the aforementioned claim is characterized in that: described matrix has and surpasses 90 ℃, preferably surpasses 110 ℃, and most preferably is and surpasses 130 ℃ melt temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210435878.9A CN102908715B (en) | 2012-11-02 | 2012-11-02 | Contact limiting type double-saccule three-cavity catheter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210435878.9A CN102908715B (en) | 2012-11-02 | 2012-11-02 | Contact limiting type double-saccule three-cavity catheter |
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| CN102908715A true CN102908715A (en) | 2013-02-06 |
| CN102908715B CN102908715B (en) | 2014-05-21 |
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| CN201210435878.9A Expired - Fee Related CN102908715B (en) | 2012-11-02 | 2012-11-02 | Contact limiting type double-saccule three-cavity catheter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357105A (en) * | 2013-07-24 | 2013-10-23 | 王亮 | Limited contact type side saccule double-hole catheter |
| CN107320802A (en) * | 2017-08-17 | 2017-11-07 | 山东省肿瘤防治研究院 | A kind of Y shape uterine cavity cleaning flow diverter and matched placer |
| CN107952159A (en) * | 2017-11-30 | 2018-04-24 | 四川省第四人民医院 | The auxiliary device of interval sexual openness urinary catheter |
| CN108367136A (en) * | 2015-12-21 | 2018-08-03 | 登士伯Ih有限公司 | Conduit with inclined discharge orifice |
| CN108969868A (en) * | 2018-04-17 | 2018-12-11 | 王素华 | Catheter with swelling bag |
| CN109893742A (en) * | 2019-04-08 | 2019-06-18 | 山东大学 | A kind of catheter and method |
| CN110603070A (en) * | 2017-01-20 | 2019-12-20 | 弗卢姆导管有限公司 | Catheter |
| CN111569180A (en) * | 2020-05-25 | 2020-08-25 | 四川大学华西第二医院 | Disposable bladder perfusion apparatus |
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| CN201244281Y (en) * | 2008-08-27 | 2009-05-27 | 兖矿集团有限公司 | Three-chamber double-balloon catheter |
| WO2010142310A1 (en) * | 2008-06-12 | 2010-12-16 | Ahmad Riaz | A catheter |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015010391A1 (en) * | 2013-07-24 | 2015-01-29 | Wang Liang | Contact-limiting side balloon double-hole urinary catheter |
| JP2016527013A (en) * | 2013-07-24 | 2016-09-08 | 王亮 | Urinary catheter with contact-restricted side balloon and double hole |
| CN103357105A (en) * | 2013-07-24 | 2013-10-23 | 王亮 | Limited contact type side saccule double-hole catheter |
| CN108367136A (en) * | 2015-12-21 | 2018-08-03 | 登士伯Ih有限公司 | Conduit with inclined discharge orifice |
| CN110603070B (en) * | 2017-01-20 | 2022-08-16 | 弗卢姆导管有限公司 | Catheter |
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| CN110603070A (en) * | 2017-01-20 | 2019-12-20 | 弗卢姆导管有限公司 | Catheter |
| CN107320802A (en) * | 2017-08-17 | 2017-11-07 | 山东省肿瘤防治研究院 | A kind of Y shape uterine cavity cleaning flow diverter and matched placer |
| CN107952159A (en) * | 2017-11-30 | 2018-04-24 | 四川省第四人民医院 | The auxiliary device of interval sexual openness urinary catheter |
| CN108969868A (en) * | 2018-04-17 | 2018-12-11 | 王素华 | Catheter with swelling bag |
| CN108969868B (en) * | 2018-04-17 | 2024-02-27 | 中国人民解放军陆军军医大学第一附属医院 | Catheter with expansion bag |
| CN109893742A (en) * | 2019-04-08 | 2019-06-18 | 山东大学 | A kind of catheter and method |
| CN111569180A (en) * | 2020-05-25 | 2020-08-25 | 四川大学华西第二医院 | Disposable bladder perfusion apparatus |
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| CN102908715B (en) | 2014-05-21 |
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