CN110665106A - Catheter and catheterization method using same - Google Patents
Catheter and catheterization method using same Download PDFInfo
- Publication number
- CN110665106A CN110665106A CN201910952878.8A CN201910952878A CN110665106A CN 110665106 A CN110665106 A CN 110665106A CN 201910952878 A CN201910952878 A CN 201910952878A CN 110665106 A CN110665106 A CN 110665106A
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- China
- Prior art keywords
- catheter
- guide
- communicated
- guide hole
- hole
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Classifications
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- 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
- 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
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- 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
Abstract
The invention provides a catheter and a catheterization method using the catheter, wherein the catheter comprises a catheter; a catheter is arranged in the catheter; the liquid guide pipeline is communicated with a liquid guide pipeline with gradually reduced inner diameter and a liquid guide pipeline with small inner diameter; the front end of the catheter is provided with a front end guide hole communicated with the small inner diameter liquid guide pipeline; the rear end of the catheter is provided with a rear end guide hole communicated with the liquid guide pipeline; the side wall of the front end of the catheter is provided with a side hole at the front end communicated with the liquid guide pipeline. The catheter has reasonable structure design and simple and convenient operation, obviously improves the success rate and the safety of catheterization, and is easy to popularize and use in a large range.
Description
Technical Field
The invention relates to a catheter and a catheterization method using the same.
Background
Medically, a catheter is inserted through the urethra and introduced into the bladder to drain the urine. At present, catheters are various in types, but when patients who have difficulty in urination caused by urethral stricture, urethral malformation, prostatic hyperplasia and the like and need to catheterization and are difficult to catheterization, the existing catheters have the problems of difficulty in catheterization, low success rate, complex design, high cost and difficulty in large-scale popularization.
The above-mentioned problems are problems that should be considered and solved when designing a urinary catheterization apparatus.
Disclosure of Invention
The invention provides a catheter and a catheterization method using the same, and aims to solve the problems of difficult catheterization, low success rate or complex design, high cost and difficult large-scale popularization in the prior art.
The technical solution of the invention is as follows: the utility model provides a catheter, the front end of catheter is equipped with the front end guide hole, and the front end lateral wall of catheter is equipped with the front end side opening, and the rear end of catheter is equipped with the rear end guide hole, and the catheter is equipped with the drain pipeline, and the drain pipeline intercommunication front end guide hole, front end side opening and rear end guide hole.
Furthermore, the catheter is made of silica gel materials and is provided with an air bag, an inflation channel is arranged in the catheter, one end of the inflation channel is communicated with the air bag, and the other end of the inflation channel is connected with an inflation connector through an inflation hose.
Furthermore, the inner diameter of a liquid guide pipeline from the front end side hole of the side wall of the front end of the catheter to the front section guide hole of the front end of the catheter is gradually reduced, and then the liquid guide pipeline is communicated with a small inner diameter liquid guide pipeline which is communicated with the front end guide hole.
A method of catheterizing using the catheter according to any of the above items, comprising a first step of placing a guide wire into the catheter, the soft end of the guide wire being retained in the small inner diameter drainage tube of the catheter but not being exposed outside the front end guide hole; secondly, smearing sterile paraffin oil on the surface of the catheter, inserting the catheter into the urethra, and pushing the soft end of the guide wire into the urethra at the position meeting resistance and entering the bladder when the catheter meets resistance; thirdly, the catheter enters the bladder under the guidance of a guide wire; fourthly, injecting water into the air bag of the catheter; and fifthly, pulling out the guide wire and successfully guiding the urine.
The invention has the beneficial effects that: firstly, compared with the existing catheter, the front end guide hole convenient for placing the guide wire is additionally arranged at the front end of the catheter, when the urethral catheterization meets resistance, the guide wire can be placed to guide the catheter to enter the bladder through the urethra where the urethral meets resistance, and the success rate of the urethral catheterization is obviously improved; secondly, the liquid guiding pipeline of the catheter is communicated with the front end guide hole through the liquid guiding pipeline with the gradually reduced inner diameter and the small inner diameter liquid guiding pipeline, so that the soft end of the guide wire can smoothly pass through the liquid guiding pipeline and be retained in the small inner diameter liquid guiding pipeline, the soft end of the guide wire is not easy to extend out from the front end side hole or the front end guide hole of the catheter in advance, the catheterization operation is not influenced, the operation is simple and convenient, and the retention and catheterization safety is obviously improved. In a word, the catheter and the catheterization method using the catheter have reasonable structural design and simple and convenient operation, obviously improve the success rate and safety of catheterization, and are easy to popularize and use in a large range.
Drawings
Fig. 1 is a schematic structural view of a urinary catheter according to an embodiment of the present invention; FIG. 2 is a schematic flow diagram of a method of performing catheterisation using an embodiment urinary catheter; the medical catheter comprises a catheter 1, a catheter 2, a catheter 3, a catheter with gradually reduced inner diameter, a catheter with small inner diameter 4, a front end guide hole 5, a rear end guide hole 6, a front end side hole 7, an air bag 8, an air inflation channel 9, an air inflation hose 10, an air inflation connector 11 and a guide wire 12.
Detailed Description
The technical solutions in the preferred embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Fig. 1 is a schematic structural diagram of a urinary catheter according to a preferred embodiment of the present invention. The urinary catheter comprises a urinary catheter 1; a liquid guide pipeline 2 is arranged in the catheter 1; the liquid guide pipeline 2 is communicated with a liquid guide pipeline 3 with gradually reduced inner diameter and a liquid guide pipeline 4 with small inner diameter; the front end of the catheter 1 is provided with a front end guide hole 5 communicated with a small inner diameter liquid guide pipeline 4; the rear end of the catheter 1 is provided with a rear end guide hole 6 communicated with the liquid guide pipeline 2; the front end side wall of the catheter 1 is provided with a front end side hole 7 communicated with the liquid guide pipeline 2.
According to the catheter implemented by the scheme, the front end guide hole 5 convenient for the guide wire to be placed is additionally arranged at the front end of the catheter 1, so that when the catheter meets resistance, the guide wire can be placed to guide the catheter 1 to enter the bladder through the urethra at the resistance, and the success rate of the catheter is obviously improved; secondly, the liquid guiding pipeline 2 of the catheter 1 is communicated with the front end guide hole 5 through the liquid guiding pipeline 3 with the gradually reduced inner diameter and the small inner diameter liquid guiding pipeline 4, so that the soft end of the guide wire can conveniently and smoothly pass through the liquid guiding pipeline 2 and the liquid guiding pipeline 3 with the gradually reduced inner diameter and is kept in the small inner diameter liquid guiding pipeline 4, the soft end of the guide wire is not easy to extend out from the front end side hole 7 or the front end guide hole 5 of the catheter 1 in advance, the catheterization operation can not be influenced, the operation is simple and convenient, and the safety of keeping the catheterization is obviously improved. In a word, this kind of catheter, structural design is reasonable, and is easy and simple to handle, obviously improves catheterization success rate and security, easily uses widely on a large scale.
The catheter 1 of the catheter is made of silica gel materials, the catheter 1 is provided with an air bag 8, an inflation channel 9 is arranged in the catheter 1, one end of the inflation channel 9 is communicated with the air bag 8, and the other end of the inflation channel 9 is connected with an inflation connector 11 through an inflation hose 10.
Referring to FIG. 2, in a method of catheterizing using any of the catheters described above, in a first step, a guide wire 12 is inserted into the catheter 1, and the soft end of the guide wire 12 is retained in the small inner diameter catheter tube 4 of the catheter 1 without being exposed outside the front end guide hole 5; secondly, smearing sterile paraffin oil on the surface of the catheter 1, inserting the catheter 1 into the urethra, and pushing the soft end of the guide wire 12 into the urethra at the position where resistance is met and entering the bladder when resistance is met; in the third step, the catheter 1 enters the bladder under the guidance of the guide wire 12; fourthly, injecting water into the air bag 8 of the catheter 1; and fifthly, the guide wire 12 is pulled out, and the catheterization is successful. The method can effectively improve the success rate and safety of indwelling catheterization, and is suitable for the situation that difficult urination is caused by urethral stricture, urethral malformation, prostatic hyperplasia and the like, and the catheterization is needed and difficult.
Compared with the prior art, the invention has the beneficial effects that: firstly, compared with the existing catheter, the front end guide hole 5 convenient for placing the guide wire 12 is additionally arranged at the front end of the catheter 1, when the urethral catheterization meets resistance, the guide wire 12 can be placed to guide the catheter 1 to enter the bladder through the urethra where the urethral meets the resistance, and the success rate of the urethral catheterization is obviously improved; secondly, the liquid guiding pipeline 2 of the catheter is communicated with the front end guide hole 5 through the liquid guiding pipeline 3 with the gradually reduced inner diameter and the small inner diameter liquid guiding pipeline 4, so that the soft end of the guide wire 12 can smoothly pass through the liquid guiding pipeline 2 and be retained in the small inner diameter liquid guiding pipeline 4, the soft end of the guide wire 12 is not easy to extend out in advance from the front end side hole 7 or the front end guide hole 5 of the catheter 1, the catheterization operation is not influenced, the operation is simple and convenient, and the retention safety of catheterization is obviously improved. In a word, the catheter and the catheterization method using the catheter have reasonable structural design and simple and convenient operation, obviously improve the success rate and safety of catheterization, and are easy to popularize and use in a large range.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (4)
1. A catheter is characterized in that a front end guide hole is formed in the front end of the catheter, a front end side hole is formed in the side wall of the front end of the catheter, a rear end guide hole is formed in the rear end of the catheter, a liquid guide pipeline is arranged on the catheter, and the liquid guide pipeline is communicated with the front end guide hole, the front end side hole and the rear end guide hole.
2. The catheter according to claim 1, wherein the catheter is made of a silicone material, the catheter is provided with an air bag, an inflation channel is arranged in the catheter, one end of the inflation channel is communicated with the air bag, and the other end of the inflation channel is connected with the inflation connector through an inflation hose.
3. The catheter according to claim 1, wherein the inner diameter of the drainage conduit from the front-end side hole of the side wall of the front end of the catheter to the front-end guide hole of the front end of the catheter is gradually decreased and then communicated with the small-inner-diameter drainage conduit, and the small-inner-diameter drainage conduit is communicated with the front-end guide hole.
4. A method of catheterizing using the urinary catheter according to any one of claims 1 to 3, wherein: firstly, a guide wire is placed in a catheter, and the soft end of the guide wire is left in a small inner diameter liquid guide pipeline of the catheter but is not exposed out of a guide hole at the front end; secondly, smearing sterile paraffin oil on the surface of the catheter, inserting the catheter into the urethra, and pushing the soft end of the guide wire into the urethra at the position meeting resistance and entering the bladder when the catheter meets resistance; thirdly, the catheter enters the bladder under the guidance of a guide wire; fourthly, injecting water into the air bag of the catheter; and fifthly, pulling out the guide wire and successfully guiding the urine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952878.8A CN110665106A (en) | 2019-10-09 | 2019-10-09 | Catheter and catheterization method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952878.8A CN110665106A (en) | 2019-10-09 | 2019-10-09 | Catheter and catheterization method using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110665106A true CN110665106A (en) | 2020-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910952878.8A Pending CN110665106A (en) | 2019-10-09 | 2019-10-09 | Catheter and catheterization method using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110665106A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030083691A1 (en) * | 2001-11-01 | 2003-05-01 | Wantink Kenneth L. | Catheter having improved rapid exchange junction |
| JP2013022187A (en) * | 2011-07-20 | 2013-02-04 | Asahi Intecc Co Ltd | Balloon catheter |
| CN203139359U (en) * | 2013-02-05 | 2013-08-21 | 胡俊东 | Air bag catheter capable of being guided |
| CN103402573A (en) * | 2011-02-16 | 2013-11-20 | 阿克罗斯塔克英属维尔京群岛托尔托拉岛公司 | Narrow profile catheter with deformation-resistive guidewire lumen |
| JP2018050722A (en) * | 2016-09-27 | 2018-04-05 | テルモ株式会社 | Catheter and method for using the same |
| CN107929921A (en) * | 2017-12-20 | 2018-04-20 | 武汉市迅舒科技有限公司 | A kind of catheter assembly |
-
2019
- 2019-10-09 CN CN201910952878.8A patent/CN110665106A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030083691A1 (en) * | 2001-11-01 | 2003-05-01 | Wantink Kenneth L. | Catheter having improved rapid exchange junction |
| CN103402573A (en) * | 2011-02-16 | 2013-11-20 | 阿克罗斯塔克英属维尔京群岛托尔托拉岛公司 | Narrow profile catheter with deformation-resistive guidewire lumen |
| JP2013022187A (en) * | 2011-07-20 | 2013-02-04 | Asahi Intecc Co Ltd | Balloon catheter |
| CN203139359U (en) * | 2013-02-05 | 2013-08-21 | 胡俊东 | Air bag catheter capable of being guided |
| JP2018050722A (en) * | 2016-09-27 | 2018-04-05 | テルモ株式会社 | Catheter and method for using the same |
| CN107929921A (en) * | 2017-12-20 | 2018-04-20 | 武汉市迅舒科技有限公司 | A kind of catheter assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200110 |