CN108969868B - Catheter with expansion bag - Google Patents
Catheter with expansion bag Download PDFInfo
- Publication number
- CN108969868B CN108969868B CN201810341269.4A CN201810341269A CN108969868B CN 108969868 B CN108969868 B CN 108969868B CN 201810341269 A CN201810341269 A CN 201810341269A CN 108969868 B CN108969868 B CN 108969868B
- Authority
- CN
- China
- Prior art keywords
- catheter
- bag
- inlet
- expansion positioning
- water injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 210000002700 urine Anatomy 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 108010025899 gelatin film Proteins 0.000 claims description 2
- 210000004877 mucosa Anatomy 0.000 abstract description 14
- 230000000638 stimulation Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 208000024891 symptom Diseases 0.000 description 4
- 230000002485 urinary effect Effects 0.000 description 3
- 206010063575 Bladder perforation Diseases 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 208000028867 ischemia Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000017074 necrotic cell death Effects 0.000 description 2
- 206010005052 Bladder irritation Diseases 0.000 description 1
- 206010046555 Urinary retention Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 201000002327 urinary tract obstruction Diseases 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/69—Drainage containers not being adapted for subjection to vacuum, e.g. bags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
- A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
Abstract
The invention relates to a catheter with an expansion bag, which comprises a catheter and an expansion positioning bag arranged on the catheter, wherein the expansion positioning bag is in a C-shaped major arc structure and surrounds the end of the catheter, after the expansion positioning bag is fully expanded, the front end bag wall of the expansion positioning bag is flush with or exceeds the front end of the catheter, the catheter cavity of the catheter is a catheter channel cavity, the end of the catheter is provided with a first catheter inlet and a second catheter inlet, the first catheter inlet is arranged on the side wall of the end of the catheter and is positioned at a C-shaped opening of the expansion positioning bag, the second catheter inlet is positioned at the front end of the catheter, and the pipe wall of the catheter is provided with a filling water injection channel cavity which is communicated with the expansion positioning bag. The invention has simple structure, low production cost and convenient and quick operation, can effectively avoid the damage of the bladder mucosa caused by the stimulation of the front end of the catheter end, ensures the smooth catheterization of the catheter, and improves the safety and the patient tolerance of the long-term indwelling catheter.
Description
Technical Field
The invention relates to the field of clinical medical equipment, in particular to a catheter with an expansion bag.
Background
The catheterization operation is one of the common clinical medical operations, is suitable for urinary retention caused by lower urinary tract obstruction, and is also applied to rescuing critical patients, pre-general anesthesia preparation, intravesical drug infusion or bladder irrigation and other conditions. Of the patients who need to be catheterized for various reasons, a significant portion of the patients need to have a catheter left in the bladder for a long period of time (over 3 days). The catheter remained in the bladder can be used as a foreign body to stimulate bladder mucosa to cause local inflammation and bladder stimulation symptoms of patients, the catheter can even damage the bladder mucosa, and some patients report that bladder perforation is caused by long-term retention of the catheter.
The catheterization opening of the commonly used catheter is positioned on the side wall of the catheter about 3 cm to 5cm in front of the positioning balloon. The catheter with the structure has the following defects in the using process: after the catheter is expanded and positioned by the positioning air sac, on one hand, the head end of the catheter positioned in front of the positioning air sac can be inserted into soft bladder mucosa to cause ischemia necrosis of the local bladder mucosa, so that uncomfortable symptoms of patients are aggravated, and the structure is one of main reasons for causing bladder perforation; on the other hand, because the urethral catheterization opening of the urethral catheter with the structure is positioned on the side wall of the urethral catheter, if the side wall of the urethral catheter is clung to the bladder mucosa, the urethral catheterization is easy to be unsmooth, the position of the urethral catheter needs to be repositioned, and the uncomfortable symptoms of patients are aggravated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the catheter with the inflatable bag, which has the advantages of simple structure, low production cost and convenient and quick operation, can effectively avoid the damage of the bladder mucosa caused by the stimulation of the front end of the catheter end, ensures the smooth catheterization of the catheter, and improves the safety and the tolerance of patients who keep the catheter for a long time.
The technical scheme of the invention is as follows: the utility model provides a take catheter of inflation bag, includes the catheter that is equipped with two at least passageway chambeies to and the inflation positioning bag of setting on this catheter, inflation positioning bag is the C-shaped major arc structure and encircles the end at the catheter, and this inflation positioning bag is full back, and the front end bag wall of inflation positioning bag flushes or exceeds the end front end of catheter with the end front end of catheter, makes the end front end of catheter can not touch the bladder wall, the catheter chamber of catheter is the catheter passageway chamber, and the end of catheter is equipped with first catheterization entry, second catheterization entry, first catheterization entry is located catheter end lateral wall, is located the C-shaped opening part of inflation positioning bag, the second catheterization entry is located catheter end front end, the catheter wall sets up filling water injection passageway chamber, and this filling water injection passageway chamber communicates with each other with inflation positioning bag.
The central angle corresponding to the arc length of the expansion positioning bag is 270-300 degrees.
The first urethral catheterization inlet is elliptical, the length of the major axis of the ellipse is 8-12mm, the first urethral catheterization inlet extends along the length direction of the urethral catheter, and the length of the minor axis of the ellipse is 3-7mm.
The second urethral catheterization inlet is a round hole, and the diameter of the round hole is 0.8-1.2mm.
The expansion positioning bag is made of a silica gel film.
The catheter is characterized in that a flushing water injection channel cavity is further formed in the wall of the catheter, and a water outlet of the flushing water injection channel cavity is formed in the end head of the catheter and located beside the second catheter inlet.
The water outlet of the flushing water injection channel cavity is larger than the second urethral catheterization inlet.
The rear end of the urethral catheterization channel cavity extends backwards to form a horn-shaped urine collection bag connecting part, and the rear end of the filling water injection channel cavity extends backwards to form a horn-shaped water injection connecting part used for connecting a one-way valve.
The catheter is integrally formed into a tubular structure with at least two channel cavities by adopting silica gel.
The water injection quantity of the expansion positioning bag is 15-30ml.
The technical scheme has the following beneficial effects:
1. the catheter with the expansion bladder comprises the catheter with at least two channel cavities and the expansion positioning bladder arranged on the catheter, the expansion positioning bladder is of a C-shaped major arc structure and surrounds the end head of the catheter, after the expansion positioning bladder is fully expanded, the front end bladder wall of the expansion positioning bladder is flush with or exceeds the front end of the end head of the catheter, so that the front end of the end head of the catheter cannot touch the bladder wall, when the expansion positioning bladder is fully expanded and clamped behind the bladder of a patient, the catheter is positioned, the catheter is prevented from moving axially to cause uncomfortable feeling to the patient, normal catheterization is ensured, and the front end bladder wall of the expansion positioning bladder is flush with or exceeds the front end of the end head of the catheter, so that the stimulation caused by the front end of the catheter is avoided, the bladder mucosa is effectively prevented from being formed by ischemia necrosis of the local bladder, and the body safety of the patient is ensured. The catheter is characterized in that the catheter cavity of the catheter is a catheter channel cavity, a first catheter inlet and a second catheter inlet are arranged at the end of the catheter, the first catheter inlet is arranged on the side wall of the end of the catheter and is positioned at the C-shaped opening of the expansion positioning bag, the first catheter inlet is separated from the bladder mucosa by the expansion positioning bag, smooth catheter delivery through the first catheter inlet can be ensured, meanwhile, poor catheter delivery and repeated stimulation caused by close contact between the first catheter inlet and the bladder mucosa during long-term catheter delivery are prevented, and related complications of long-term catheter delivery are reduced. The second urethral catheterization inlet is positioned at the front end of the end head of the urethral catheter, and a guide wire can be inserted into a urethral catheterization channel cavity of the urethral catheter to pass through the second urethral catheterization inlet for assisting catheterization, and the auxiliary drainage effect of urine can be also achieved. The catheter is characterized in that a filling water injection channel cavity is formed in the wall of the catheter, and is communicated with the expansion positioning bag, and the expansion positioning bag is controlled to be filled to form positioning or the empty bag is taken out.
2. The central angle corresponding to the arc length of the expansion positioning bag is 270-300 degrees, so that the major arc length of the expansion positioning bag is 3/4-5/6 circumference, the positioning effect on the catheter is ensured, and meanwhile, the first catheterization inlet and the bladder mucosa are effectively separated, smooth catheterization is ensured, and the first catheterization inlet is prevented from repeatedly stimulating the bladder wall.
3. The rear end of the urethral catheterization channel cavity extends backwards to form a horn-shaped urine collecting bag connecting part, the urine collecting bag is conveniently and fixedly connected to the urine collecting bag connecting part, accidental falling of the urine collecting bag is prevented, smooth urethral catheterization operation is guaranteed, the rear end of the filling water injection channel cavity extends backwards to form a horn-shaped water injection connecting part used for connecting a one-way valve, water injection and water drainage of the expansion positioning bag are facilitated, and smooth urethral catheterization operation is guaranteed.
4. The catheter is characterized in that a flushing water injection channel cavity is further formed in the wall of the catheter, a water outlet of the flushing water injection channel cavity is formed in the end head of the catheter and located beside the second urinary catheter inlet, water is injected into the bladder of the patient through the flushing water injection channel cavity, and flows out from the first urinary catheter inlet and the second urinary catheter inlet to perform a circulating flushing function on the bladder of the patient.
Further description will be made with reference to the drawings and specific examples.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a cross-sectional view of fig. 3.
In the drawing, 1 is a catheter, 2 is an expansion positioning bag, 3 is a filling water injection channel cavity, 4 is a catheter channel cavity, 5 is a first catheter inlet, 6 is a second catheter inlet, 7 is a urine collecting bag connecting part, 8 is a water injection connecting part, and 9 is a flushing water injection channel cavity.
Detailed Description
Example 1
Referring to fig. 1 and 2, the catheter with the inflatable bladder comprises a catheter 1 and an inflatable positioning bladder 2 arranged on the catheter 1, in this embodiment, a cavity of the catheter 1 is a catheter channel cavity 4, a filling water injection channel cavity 3 is arranged on a wall of the catheter 1, a double-cavity tubular structure with the filling water injection channel cavity 3 and the catheter channel cavity 4 is integrally formed by adopting silica gel, wherein a horn-shaped water injection connecting part 8 for connecting a one-way valve is formed by extending the rear end of the filling water injection channel cavity 3 backwards, and a horn-shaped urine collecting bag connecting part 7 is formed by extending the rear end of the catheter channel cavity 4 backwards. The expansion positioning bag 2 is in a C-shaped major arc structure and surrounds the end head of the catheter 1 and is communicated with the filling water injection channel cavity. After the expansion positioning bag 2 is inflated, the front end bag wall of the expansion positioning bag 2 is flush with the front end of the catheter 1 or exceeds the front end of the catheter 1, so that the front end of the catheter 1 cannot touch the bladder wall. The end of the catheter 1 is provided with a first catheterization inlet 5 and a second catheterization inlet 6, the first catheterization inlet 5 is arranged on the side wall of the end of the catheter 1 and is positioned at the C-shaped opening of the expansion positioning bag 2, the second catheterization inlet 6 is positioned at the front end of the catheter 1, the first catheterization inlet is used as a main catheterization inlet, the second catheterization inlet is used as an auxiliary catheterization inlet, the first catheterization inlet is a strip-shaped hole, preferably an ellipse, the long axis of the ellipse first catheterization inlet 5 extends along the length direction of the catheter 1, the length of the long axis of the ellipse first catheterization inlet 5 is 8-12mm, the length of the short axis is 3-7mm, the second catheterization inlet 6 is positioned at the front end of the catheter 1, the second catheterization inlet 6 is a round hole, and the diameter of the round hole is 0.8-1.2mm.
Example two
Referring to fig. 3 and fig. 4, the difference between the second embodiment and the first embodiment is that a flushing water injection channel cavity 9 is integrally formed on the pipe wall of the catheter 1, the shape of the rear end of the flushing water injection channel cavity is the same as that of the rear end of the filling water injection channel cavity, a water outlet of the flushing water injection channel cavity 9 is arranged at the end of the catheter 1 and is positioned beside the second catheter inlet 6, and the water outlet of the flushing water injection channel cavity 9 is larger than the second catheter inlet 6. The water can be injected into the bladder of the patient through the flushing water injection channel cavity, and the injected water flows flush the bladder and then pass through the first urethral catheterization inlet and the second urethral catheterization inlet to be discharged from the urethral catheterization channel cavity, so that the cyclic flushing effect is realized. The rest of the structure is the same as that of the first embodiment.
The working principle of the invention is that, taking the first embodiment as an example, after the catheter is inserted into the bladder through the urethra of a patient, the inflatable positioning bag is inflated by filling the water injection channel cavity to position the catheter. The front end wall of the expansion positioning bag exceeds the end head of the catheter 1, so that the front end of the end head of the catheter 1 cannot contact the bladder wall, and local inflammation and bladder irritation symptoms of a patient caused by the stimulation of the bladder mucosa of the patient by the front end of the end head of the catheter are avoided; the first urethral catheterization inlet is spaced from the bladder mucosa through the expansion positioning bag, the surfaces of the urethral catheter in the bladder and the expansion positioning bag are smooth and have no protrusions, damage to the bladder mucosa and uncomfortable feeling of a patient are greatly reduced, and related complications of long-term indwelling of the urethral catheter are reduced. Urine retained in the bladder enters the urethral catheterization channel cavity from the gap through the first catheterization inlet and flows into the urine collection bag at the rear end.
In the catheterization process, the guide wire can be inserted into the second catheterization inlet to assist in catheterization, and the effect of assisting in urine drainage can be achieved.
Claims (7)
1. Catheter with expansion bag, comprising a catheter (1) with at least two channel cavities, and an expansion positioning bag (2) arranged on the catheter (1), characterized in that: the catheter comprises a catheter (1), a catheter body and a catheter body, wherein the catheter body is characterized in that an expansion positioning bag (2) is arranged at the end of the catheter (1) in a C-shaped major arc structure, the central angle corresponding to the arc length of the expansion positioning bag (2) is 270-300 degrees, after the expansion positioning bag (2) is inflated, the front end bag wall of the expansion positioning bag (2) is flush with or exceeds the front end of the catheter (1), the front end of the catheter (1) cannot touch the bladder wall, the catheter cavity of the catheter (1) is a catheter channel cavity (4), the end of the catheter (1) is provided with a first catheter inlet (5) and a second catheter inlet (6), the first catheter inlet (5) is arranged on the side wall of the end of the catheter (1) and is positioned at the C-shaped opening of the expansion positioning bag (2), the second catheter inlet (6) is positioned at the front end of the catheter (1), the catheter wall of the catheter (1) is provided with a filling water injection channel cavity (3), the filling channel cavity (3) is not contacted with the front end of the catheter (1), the catheter body is communicated with the expansion positioning bag (1), the catheter body is provided with a water injection channel (9), and the catheter channel (9) is further provided with a water injection channel (9) and is arranged beside the catheter channel (9).
2. The balloon catheter of claim 1, wherein: the first urethral catheterization inlet (5) is elliptical, the length of the major axis of the ellipse is 8-12mm, the major axis extends along the length direction of the urethral catheter (1), and the length of the minor axis is 3-7mm.
3. The balloon catheter of claim 1, wherein: the second urethral catheterization inlet (6) is a round hole, and the diameter of the round hole is 0.8-1.2mm.
4. The balloon catheter of claim 1, wherein: the expansion positioning bag (2) is made of a silica gel film.
5. The balloon catheter of claim 1, wherein: the rear end of the urethral catheterization channel cavity (4) extends backwards to form a horn-shaped urine collection bag connecting part (7), and the rear end of the filling water injection channel cavity (3) extends backwards to form a horn-shaped water injection connecting part (8) for connecting a one-way valve.
6. The balloon catheter of claim 1, wherein: the catheter (1) is integrally formed into a tubular structure with at least two channel cavities by adopting silica gel.
7. The balloon catheter of claim 1, wherein: the water injection quantity of the expansion positioning bag (2) is 15-30ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341269.4A CN108969868B (en) | 2018-04-17 | 2018-04-17 | Catheter with expansion bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341269.4A CN108969868B (en) | 2018-04-17 | 2018-04-17 | Catheter with expansion bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108969868A CN108969868A (en) | 2018-12-11 |
| CN108969868B true CN108969868B (en) | 2024-02-27 |
Family
ID=64541878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810341269.4A Active CN108969868B (en) | 2018-04-17 | 2018-04-17 | Catheter with expansion bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108969868B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893742A (en) * | 2019-04-08 | 2019-06-18 | 山东大学 | A kind of catheter and method |
| CN114306895A (en) * | 2020-10-10 | 2022-04-12 | 钱庆鹏 | Saccule tip-wrapped catheter |
| CN113384391B (en) * | 2021-06-30 | 2022-07-12 | 甘肃省人民医院 | Controllable stoma belt cleaning device of flow |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3438375A (en) * | 1966-03-18 | 1969-04-15 | Kendall & Co | Non-traumatic retention catheter |
| US3634924A (en) * | 1970-04-20 | 1972-01-18 | American Hospital Supply Corp | Method of making multilumen balloon catheter |
| US4575371A (en) * | 1981-04-16 | 1986-03-11 | Percy Nordqvist | Urinary catheter |
| EP0351734A1 (en) * | 1988-07-18 | 1990-01-24 | Terumo Kabushiki Kaisha | Balloon catheter |
| CN2584190Y (en) * | 2002-05-23 | 2003-11-05 | 顾玉彬 | T-shape urinary catheter |
| CN102908715A (en) * | 2012-11-02 | 2013-02-06 | 王亮 | Contact limiting type double-saccule three-cavity catheter |
| CN203139359U (en) * | 2013-02-05 | 2013-08-21 | 胡俊东 | Air bag catheter capable of being guided |
| CN203885991U (en) * | 2014-06-09 | 2014-10-22 | 李平 | Capsule catheter |
| CN204521933U (en) * | 2015-01-19 | 2015-08-05 | 宜宾市第二人民医院 | A kind of catheter |
| CN206896596U (en) * | 2017-02-06 | 2018-01-19 | 四川大学华西医院 | A kind of disposable urinary catheter for collecting urethral catheterization water filling bladder function training one |
| CN209019721U (en) * | 2018-04-17 | 2019-06-25 | 王素华 | Catheter with swelling bag |
-
2018
- 2018-04-17 CN CN201810341269.4A patent/CN108969868B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3438375A (en) * | 1966-03-18 | 1969-04-15 | Kendall & Co | Non-traumatic retention catheter |
| US3634924A (en) * | 1970-04-20 | 1972-01-18 | American Hospital Supply Corp | Method of making multilumen balloon catheter |
| US4575371A (en) * | 1981-04-16 | 1986-03-11 | Percy Nordqvist | Urinary catheter |
| EP0351734A1 (en) * | 1988-07-18 | 1990-01-24 | Terumo Kabushiki Kaisha | Balloon catheter |
| CN2584190Y (en) * | 2002-05-23 | 2003-11-05 | 顾玉彬 | T-shape urinary catheter |
| CN102908715A (en) * | 2012-11-02 | 2013-02-06 | 王亮 | Contact limiting type double-saccule three-cavity catheter |
| CN203139359U (en) * | 2013-02-05 | 2013-08-21 | 胡俊东 | Air bag catheter capable of being guided |
| CN203885991U (en) * | 2014-06-09 | 2014-10-22 | 李平 | Capsule catheter |
| CN204521933U (en) * | 2015-01-19 | 2015-08-05 | 宜宾市第二人民医院 | A kind of catheter |
| CN206896596U (en) * | 2017-02-06 | 2018-01-19 | 四川大学华西医院 | A kind of disposable urinary catheter for collecting urethral catheterization water filling bladder function training one |
| CN209019721U (en) * | 2018-04-17 | 2019-06-25 | 王素华 | Catheter with swelling bag |
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| Publication number | Publication date |
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| CN108969868A (en) | 2018-12-11 |
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Effective date of registration: 20200624 Address after: Chongqing city Shapingba street 400038 gaotanyan No. 30 Applicant after: THE FIRST HOSPITAL AFFILIATED TO ARMY MEDICAL University Address before: 550002 Unit 2, Guanfeng Road, Nanming District, Guiyang City, Guizhou Province, with No. 13 Applicant before: Wang Suhua |
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