CN102500037A - Three-cavity semicircular airbag type 8-shaped urinary catheter - Google Patents
Three-cavity semicircular airbag type 8-shaped urinary catheter Download PDFInfo
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- CN102500037A CN102500037A CN2011103774138A CN201110377413A CN102500037A CN 102500037 A CN102500037 A CN 102500037A CN 2011103774138 A CN2011103774138 A CN 2011103774138A CN 201110377413 A CN201110377413 A CN 201110377413A CN 102500037 A CN102500037 A CN 102500037A
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Abstract
The invention relates to a three-cavity semicircular airbag type 8-shaped urinary catheter, belonging to the technical field of an auxiliary medical apparatus. The three-cavity semicircular airbag type 8-shaped urinary catheter is characterized in that the radial cross section of the front part of the urinary catheter is vertically 8-shaped, a smooth bulge protruding outwards is arranged under the front end part of the urinary catheter, the lower part of the front end of the urinary catheter is provided with an inclined surface forming an included angle alpha with the axial line of the urinary catheter, the upper half part of the front end of the urinary catheter is provided with a semicircular airbag, and an airbag water filling backflow prevention valve, a urine outlet tube and a water injection washing hole at the tail end of the urinary catheter are connected into a whole with no crossing. The invention has the positive effects that: the front end of the urinary catheter is smooth, the climbing function can be achieved due to the bulge protruding outward arranged under the urinary catheter, the insertion into the urethral canal can be facilitated, the discomfort of patients can be reduced obviously, the smooth drainage of secreta in the urethral canal can be facilitated due to large gaps in the two sides between the radial 8-shaped cross section and the urethral canal, the urinary catheter is inserted into the working cavity with a working sleeve, the working sleeve is withdrawn out of the working cavity, the operation can be facilitated, and the device can be conveniently carried by patients.
Description
Technical field
The present invention relates to a kind of three chamber semi-ring air bags, 8 font catheters, belong to the medical auxiliary apparatus technical field.
Background technology
Before medical domain internal disease, surgical diseases, obstetrical and gynecological disease, orthopaedic disease and urological diseases operation, all need insert catheter, indwelling catheter.Catheter is a kind of medical auxiliary apparatus commonly used, can insert bladder so that direct urine flows out via patient's urethra.After catheter inserts bladder, near the catheter head end air bag or water pocket are arranged, with so that catheter is fixedly stayed intravesical and is difficult for deviating from, the drain of catheter partly connects urinal collection urine.
Existing three-cavity air bag catheter is rounded, and tail end is divided into three fork (see figure 1)s, and consequent shortcoming is: 1. circular catheter shape and human body urethra shape are inconsistent; Normal person's urinary catheter collar extension is longitudinal slot shape (1 font); The prostatic urethra lower wall is circular-arc, and upper wall is connected to people's prefix (∧), and three-cavity air bag catheter head end is straight; So when inserting circular catheter dilating urethra wall; Not only be difficult for inserting intravesical, and cause patient uncomfortable, especially the prostatic hyperplasia patient; One of 2. seamless between circular catheter and the urethra, the urethra endocrine can not adequate drainage goes out externally, is prone to cause urinary system infection, epididymis, orchitis, or even the reason of later on possible generation urethral stricture; 3. air bag water-filling or inflation back are rounded, and the compressing trigone of urinary bladder causes cystospasm, patient occur frequent micturition, urgent micturition, hypogastric region suppress expand uncomfortable; 4. three forks of three-cavity air bag catheter tail end, both waste material caused operation inconvenience again.After the work intracavity operation that working column is arranged was accomplished, three-cavity catheter can not be put into, put into catheter after working column can not extract again.At this moment, need cut the divergent ends toward the air bag water filling clinically, cause air bag inoperative thus, fixing catheter again can not hemostasis by compression; 5. water filling flushing hole anti back-flow not must not connect drainage bag when bladder need not wash yet, and two drainage bags (urinary drainage bag and bladder irrigation water drainage bag) patient is very inconvenient.
Summary of the invention
The objective of the invention is to overcome the defective of existing catheter, a kind of three chamber semi-ring air bags, 8 font catheters are provided, not only the catheter head end has protuberance that climbing function is arranged.There are the gap in 8 font catheters and urethra, are beneficial to the urethral secretions adequate drainage, and it is all very convenient with the sleeve pipe operation technique of deactivating in the working chamber of working column is arranged, to insert catheter, and patient carries more comfortable.
For achieving the above object; The technical scheme that adopts is: a kind of three chamber semi-ring air bags, 8 font catheters; Comprise catheter, air bag, ventilation capsule filling pipe, place a plurality of inlet openings of said catheter leading section, it is characterized in that: the forward radial section of said catheter is vertical 8 fonts, and that the leading section below of said catheter is equipped with is level and smooth, the outside protuberance of protrusion; And catheter leading section below is equipped with the inclined-plane that is the α angle with the catheter axis; The said catheter front end first half is equipped with semi-circular air bag, place said catheter tail end air bag water filling anti back-flow valve, go out the urinary catheter road, the water filling flushing hole fuses, bifurcated not.
The inboard of said water filling flushing hole is equipped with into water flap.
Said α angle is 20 °～60 °.
Said semi-circular air bag encirclement scope is hour hands 8 o'clock to 4 o'clock.
It is protruding that the top of said catheter tail end is equipped with the tail fin shape, places the air bag water filling anti back-flow valve of said tail fin tail end, is connected with said semi-circular air bag through placing the ventilation capsule filling pipe in the said catheter.
Said air bag water filling anti back-flow valve afterbody pipeline is made by hard material, goes out the urinary catheter road and is made by soft silica gel.
Said water filling flushing hole and the flushing liquor connecting hole shape that places crescent shaped adapter one side, bore coincide consistent, and the opposite side of said crescent shaped adapter is connected with the flushing liquor pipeline.
Said water filling flushing hole is connected with catheter leading section flushing liquor apopore through flushing water pipeline in the catheter and communicates.
Good effect of the present invention is: 1. the catheter end is level and smooth; Vertical 8 font catheter forms are near external orifice of urethra, the prostatic urethra form of human body; And the leading section of catheter is level and smooth, and the below is equipped with the protuberance A of outside protrusion, and institute is beneficial to insert urethra; Patient's sense of discomfort obviously alleviates, in particular for the patient of prostatic hyperplasia; 2. between vertical 8 font catheters and the urethra, there is big slit both sides, are beneficial to the urethral secretions adequate drainage, reduce the probability of the urinary system infection rate and the urethral orifice enuresis; 3. the first half air bag encirclement scope of three chamber semi-ring air bags, 8 font catheters is hour hands 8 o'clock to 4 o'clock, and the fixedly effect of catheter had both been played at the bladder upper wall in the full back of air bag, did not stimulate the trigone of urinary bladder again, caused that the probability of cystospasm obviously reduces; 4. the single not bifurcated of catheter tail end; Air bag water filling anti back-flow valve is the hard plastic pipeline; And can get into during pressurized by what soft silica gel was made to go out in the urinary catheter road, so insert the present invention's three chamber semi-ring air bags 8 font catheters and to extract the working column operation all very convenient; 5. water filling flushing hole endothelial tube lobe designs in a pipeline with going out the urinary catheter road, when the needs washed bladder, inserts the crescent shaped adapter earlier, and the endothelial tube lobe is opened, and goes out the urinary catheter road and connects drainage bag; When not needing bladder irrigation, directly connect drainage bag by going out the urinary catheter road.Endothelial tube lobe closure plays the anti back-flow effect.
Description of drawings
Below in conjunction with the description of drawings and the specific embodiment the present invention is described further:
Fig. 1 is the circular three-cavity air bag catheter structural representation of prior art tail end bifurcated;
Fig. 2 is the present invention's three chamber semi-ring air bags 8 font catheter structural representations;
Fig. 3 is three chamber semi-ring air bags, 8 font catheter semi-ring inflated condition structural representations;
Fig. 4 is vertical figure-8 structure sketch map (amplification) for the anterior B-B of Fig. 2 catheter cross section;
Fig. 5 is Fig. 2 catheter tail end structural representation (amplifying the closed anti back-flow of endothelial tube lobe):
Fig. 6 is that the catheter tail end is connected water filling when flushing decomposition texture sketch map (amplify, the endothelial tube lobe was opened when the crescent shaped adapter inserted) with the crescent shaped adapter;
Among the figure: the 1-inlet opening; 2-flushing liquor apopore; The semi-circular air bag of 3-; 4-ventilation capsule filling pipe; 5-flushing water pipeline; 6-air bag water filling anti back-flow valve; 7-goes out the urinary catheter road; 8-water filling flushing hole; 9-crescent shaped adapter; 10-flushing liquor pipeline; 11-flushing liquor connecting hole; The 12-flap of intaking; The A-protuberance.
The specific embodiment
Fig. 1 is the circular three-cavity air bag catheter structural representation of prior art tail end bifurcated, and visible by diagram, circular catheter shape and human body urethra shape are inconsistent, when inserting circular catheter dilating urethra wall, causes patient's discomfort; Seamless between circular catheter and the urethra, the urethra endocrine can not adequate drainage goes out externally, is prone to cause urinary system infection; Air bag water-filling or inflation back are rounded, and the compressing trigone of urinary bladder is prone to cause the patient's bladder spasm, occur frequent micturition, urgent micturition, hypogastric region suppress expand uncomfortable; Three forks of three-cavity air bag catheter tail end, after the work intracavity operation that working column is arranged was accomplished, three-cavity catheter can not be put into, put into catheter after working column can not extract again, both waste material caused operation inconvenience again.
Fig. 2 is the present invention's three chamber semi-ring air bags 8 font catheter structural representations.Illustrate a kind of three chamber semi-ring air bags, 8 font catheters; Comprise catheter, air bag, ventilation capsule filling pipe 4, place a plurality of inlet openings 1 of said catheter leading section; It is characterized in that: the forward radial section of said catheter is vertical 8 fonts (or soybean pod shape, or Semen arachidis hypogaeae shape), and that the leading section below of said catheter is equipped with is level and smooth, the outside protuberance A of protrusion; And catheter leading section below is equipped with the inclined-plane (Fig. 3) that is the α angle with the catheter axis; The said catheter front end first half is equipped with semi-circular air bag 3, place said catheter tail end air bag water filling anti back-flow valve 6, go out urinary catheter road 7, water filling flushing hole 8 fuses, bifurcated not.
The inboard of said water filling flushing hole 8 is equipped with into water flap 12 (seeing Fig. 5 and Fig. 6).
Said α angle is 20 °～60 °.
Said semi-circular air bag 3 encirclement scopes are hour hands 8 o'clock to 4 o'clock.
It is protruding that the top of said catheter tail end is equipped with the tail fin shape, places the air bag water filling anti back-flow valve 6 of said tail fin tail end, is connected with said semi-circular air bag 3 through placing the ventilation capsule filling pipe 4 in the said catheter.
Said water filling flushing hole 8 coincide consistent (Fig. 6 water filling flushing hole 8 all is the crescent shaped opening with flushing liquor connecting hole 11) with flushing liquor connecting hole 11 shapes that place crescent shaped adapter 9 one sides, bore, and the opposite side of said crescent shaped adapter 9 is connected with flushing liquor pipeline 10.
Said water filling flushing hole 8 is connected with catheter leading section flushing liquor apopore 2 through inlet channel in the catheter 5 and communicates.
Fig. 3 is Fig. 2 three chamber semi-ring air bags 8 font catheter semi-ring inflated condition structural representations; Semi-circular air bag 3 is positioned at the catheter proximal end air bag and surrounded the scope hour hands at 8 o'clock to 4 o'clock.Air bag is positioned at catheter the first half, can not stimulate the trigone of urinary bladder, frequent micturition, and urgent micturition, dysurea symptom obviously reduce.Play fixedly catheter effect, the air bag water filling also can be played the hemostasis by compression effect.
Fig. 4 is vertical 8 fonts (or soybean pod shape, or Semen arachidis hypogaeae shape) structural representation (amplifications) for the anterior B-B of Fig. 2 cross section, and the space is bigger between catheter and urethra, and the urethral secretions drain is unobstructed, the infection rate minimizing, and the uncomfortable symptom of patient obviously alleviates.
Fig. 5 shows the structural representation of catheter tail end, and Fig. 6 also shows the catheter tail end and is connected with crescent shaped adapter 9, the decomposition texture sketch map during the water filling flushing.During not water filling of Fig. 5 washed bladder, endothelial tube lobe 12 closed anti back-flow.Shown in Figure 6 visible; Place out the said water filling flushing hole 8 of urinary catheter road 7 one sides; Coincide consistently with flushing liquor connecting hole 11 opening shapes that place crescent shaped adapter 9 one sides, bore, when needing the water filling washed bladder, the opposite side of said crescent shaped adapter 9 is connected with flushing liquor pipeline 10.When flushing liquor connecting hole 11 inserted water filling flushing hole 8 on the crescent shaped adapter 9, endothelial tube lobe 12 was opened, and the flushing water filling gets into flushing from flushing liquor pipeline 10.No matter the water filling washed bladder goes out urinary catheter road 7 and is connected with the drain bag mouth.
Air bag water filling anti back-flow valve 6, go out urinary catheter road 7, water filling flushing hole 8 fuses, bifurcated not.Said air bag water filling anti back-flow valve 6 is the hard plastic pipeline, goes out urinary catheter road 7 and is made by soft silica gel.When needs insert three chamber semi-ring air bags, 8 font catheters in working column; And when extracting working column; Can air bag water filling anti back-flow valve 6 be pressed into by what soft silica gel was made and go out urinary catheter road 7; Go out the vertical reduced height of urinary catheter road 7 compressive deformations, catheter gets into working column and working column withdraws from, and operates all very convenient.And the three-cavity air bag catheter can not be extracted working column at present.
Claims (8)
1. chamber semi-ring air bag 8 font catheters; Comprise catheter, air bag, ventilation capsule filling pipe, place a plurality of inlet openings of said catheter leading section; It is characterized in that: the forward radial section of said catheter is vertical 8 fonts; The leading section below of said catheter is equipped with protuberance level and smooth, that outwards protrude, and is equipped with the inclined-plane that is the α angle with the catheter axis below the catheter leading section, and the said catheter front end first half is equipped with semi-circular air bag; Place said catheter tail end air bag water filling anti back-flow valve, go out the urinary catheter road, the water filling flushing hole fuses, bifurcated not.
2. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1, it is characterized in that: the inboard of said water filling flushing hole is equipped with into water flap.
3. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1, it is characterized in that: said α angle is 20 °～60 °.
4. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1, it is characterized in that: said semi-circular air bag encirclement scope is hour hands 8 o'clock to 4 o'clock.
5. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1; It is characterized in that: it is protruding that the top of said catheter tail end is equipped with the tail fin shape; Place the air bag water filling anti back-flow valve of said tail fin tail end, be connected with said semi-circular air bag through placing the ventilation capsule filling pipe in the said catheter.
6. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1, it is characterized in that: said air bag water filling anti back-flow valve afterbody pipeline is made by hard material, goes out the urinary catheter road and is made by soft silica gel.
7. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1; It is characterized in that: said water filling flushing hole and the flushing liquor connecting hole shape that places crescent shaped adapter one side, bore coincide consistent, and the opposite side of said crescent shaped adapter is connected with the flushing liquor pipeline.
8. according to said a kind of three chamber semi-ring air bags, the 8 font catheters of claim 1, it is characterized in that: said water filling flushing hole is connected with catheter leading section flushing liquor apopore through flushing water pipeline in the catheter and communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110377413.8A CN102500037B (en) | 2011-11-24 | 2011-11-24 | Three-cavity semicircular airbag type 8-shaped urinary catheter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110377413.8A CN102500037B (en) | 2011-11-24 | 2011-11-24 | Three-cavity semicircular airbag type 8-shaped urinary catheter |
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| CN102500037A true CN102500037A (en) | 2012-06-20 |
| CN102500037B CN102500037B (en) | 2015-04-01 |
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| CN201110377413.8A Expired - Fee Related CN102500037B (en) | 2011-11-24 | 2011-11-24 | Three-cavity semicircular airbag type 8-shaped urinary catheter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015113315A1 (en) * | 2014-01-30 | 2015-08-06 | 上海林超医疗设备科技有限公司 | Ureteroscope |
| CN108066883A (en) * | 2017-12-28 | 2018-05-25 | 南京医科大学第附属医院 | A kind of catheter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3811448A (en) * | 1972-10-25 | 1974-05-21 | A Morton | Urinary drainage catheter |
| WO2001028598A2 (en) * | 1999-10-20 | 2001-04-26 | Oxibio, Inc. | Electrolytic generation of iodine for preventing implant induced infections |
| CN101048188A (en) * | 2004-10-25 | 2007-10-03 | 科洛普拉斯特公司 | Male telescope catheter |
| CN201216670Y (en) * | 2008-04-09 | 2009-04-08 | 北京优尼脉科技开发有限公司 | Urinary vessels joint, urine drainage bag and emiction apparatus |
| CN201260721Y (en) * | 2008-08-28 | 2009-06-24 | 胡化刚 | Safe type three-chamber temperature measurement catheter |
-
2011
- 2011-11-24 CN CN201110377413.8A patent/CN102500037B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3811448A (en) * | 1972-10-25 | 1974-05-21 | A Morton | Urinary drainage catheter |
| WO2001028598A2 (en) * | 1999-10-20 | 2001-04-26 | Oxibio, Inc. | Electrolytic generation of iodine for preventing implant induced infections |
| CN101048188A (en) * | 2004-10-25 | 2007-10-03 | 科洛普拉斯特公司 | Male telescope catheter |
| CN201216670Y (en) * | 2008-04-09 | 2009-04-08 | 北京优尼脉科技开发有限公司 | Urinary vessels joint, urine drainage bag and emiction apparatus |
| CN201260721Y (en) * | 2008-08-28 | 2009-06-24 | 胡化刚 | Safe type three-chamber temperature measurement catheter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015113315A1 (en) * | 2014-01-30 | 2015-08-06 | 上海林超医疗设备科技有限公司 | Ureteroscope |
| CN108066883A (en) * | 2017-12-28 | 2018-05-25 | 南京医科大学第附属医院 | A kind of catheter |
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| Publication number | Publication date |
|---|---|
| CN102500037B (en) | 2015-04-01 |
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