CN217510989U - Medical painless catheter - Google Patents
Medical painless catheter Download PDFInfo
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- CN217510989U CN217510989U CN202120868840.5U CN202120868840U CN217510989U CN 217510989 U CN217510989 U CN 217510989U CN 202120868840 U CN202120868840 U CN 202120868840U CN 217510989 U CN217510989 U CN 217510989U
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- catheter
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- medicine injection
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Abstract
The utility model discloses a medical painless catheter, which comprises a catheter provided with a urination channel, wherein the wall of the catheter is provided with an air bag, an air inlet channel, a medicine injection part and a medicine injection channel, the air inlet channel and the medicine injection channel are arranged in the wall of the catheter in parallel, one end part of the air inlet channel is communicated with the air bag, and the other end part of the air inlet channel is connected with an air source; one end of the medicine injection channel is communicated with the medicine injection part, the other end of the medicine injection channel is connected with the medicine injector, and the medicine injection part is provided with medicine micropores. The utility model discloses the inlet channel and the injection passageway intercommunication gasbag and the injection portion of locating the catheter pipe wall through the parallel respectively not only avoid the catheter pipe wall to set up to many sandwich structure's complex construction, more make the passageway internal diameter of urinating unchangeable, guaranteed clinical catheterization effect.
Description
Technical Field
The utility model relates to a medical painless catheter, concretely relates to medical painless catheter of sustainable release medicine belongs to medical auxiliary instrument field.
Background
A catheter is a conduit inserted from the urethra into the bladder to drain urine, usually made of natural rubber, silicone rubber or polyvinyl chloride (PVC). As shown in figure 1, when in use, the catheter is inserted into the bladder from the urethra so as to drain urine, after the catheter is inserted into the bladder, a balloon is arranged near the end of the catheter to fix the catheter to stay in the bladder and not to be easily separated, and the drainage tube is connected with a urine bag to collect urine. In clinic, when a catheter is inserted and retained for catheterization, irritation can be caused to urethral mucosa, and particularly for elderly or middle-aged and elderly male patients suffering from urinary tract infection and prostatic hyperplasia, the patients can feel foreign body sensation and pain in the process of catheterization and after catheterization, so that the success rate of catheterization and the comfort level of the patients are affected.
To solve the pain of the patient caused by the insertion and retention of the catheter, the utility model patent with publication number CN211024711U discloses a painless catheter. During the use, pour into water into through water injection channel in to the water pocket, the injection channel injects the narcotic drug into in to the medicine bag, and the inflation of water pocket makes the anterior segment grow of catheter after the water injection, can make the catheter fix in the urethra, and simultaneously, the inflation water pocket exerts pressure to the medicine bag in the water pocket outside, thereby makes narcotic drug in the medicine bag is discharged into the urethra through arranging medicine passageway and row medicine mouth to exert the drug anesthesia effect, after keeping somewhere the catheter in order to solve, the patient produces the pain in urination, uncomfortable difficult problem. However, the catheter has a complex structure, in the actual operation process, the water bag expands after water injection to fix the catheter in the urethra, the water bag is externally coated with the medicine bag, the medicine bag is pressurized to discharge the medicine into the urethra through the water bag, so that the catheter structure is more complex, meanwhile, the water injection channel and the medicine injection channel are arranged in the tube wall of the catheter, the medicine discharge channel is also arranged, the wall of the catheter is thickened, the inner diameter of the urine discharge channel is reduced, the blockage is easy to cause, and the clinical use is not facilitated.
SUMMERY OF THE UTILITY MODEL
For solving the complicated condition of current catheter structure, the utility model provides a medical painless catheter, the inlet channel and the injection passageway intercommunication gasbag and the injection portion of locating the catheter pipe wall through the parallel respectively not only avoid the catheter pipe wall to set up to many sandwich structure's complex structure, more make the passageway internal diameter of urinating unchangeable, guaranteed clinical catheterization effect.
The utility model discloses a following technical scheme realizes: a medical painless catheter comprises a catheter provided with a urination channel, wherein the wall of the catheter is provided with an air bag, an air inlet channel, a medicine injection part and a medicine injection channel, the air inlet channel and the medicine injection channel are arranged in the wall of the catheter in parallel, one end part of the air inlet channel is communicated with the air bag, and the other end part of the air inlet channel is connected with an air source; one end part of the medicine injection channel is communicated with the medicine injection part, the other end part is connected with the medicine injector, and the medicine injection part is provided with medicine micropores.
The air bag is of a sandwich structure coated on the outer ring of the urination channel, at least one air hole is arranged to be communicated with the air inlet channel, and the number of the air inlet channels is at least one.
The number of the medicine injection parts is at least two, and the medicine injection parts are circumferentially and uniformly distributed on the catheter.
The number of the medicine injection channels is at least one.
The distance between the medicine injection part and the air bag is 2-4 cm.
The length of the medicine injection part is 10-12 cm.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
(1) the utility model discloses be equipped with the gasbag in the catheter wall, the gasbag is located the catheter front end, through inlet channel and the air supply intercommunication in the pipe wall. When the air-supply catheter is used, air is supplied into the air inlet channel to inflate the air bag, the front end of the catheter is enlarged, and the front end of the catheter can be fixed in a bladder to avoid slipping of the catheter.
(2) The utility model discloses still be equipped with injection portion in the catheterization pipe wall, injection portion corresponds locates in the urethra, through injection passageway and the injection ware intercommunication in the pipe wall. When the device is used, the medicine is sent into the medicine injection channel through the medicine injector, the medicine is sent into the medicine injection part along with the medicine injection channel, and the medicine is dispersed into the urethra through the medicine micropores of the medicine injection part, so that the effects of anesthesia and analgesia are achieved. Of course, in order to ensure the uniform dispersion of the medicine in the urethra, the medicine injection parts can be arranged into two or more than two parts, and are circumferentially and uniformly distributed, and meanwhile, the medicine micropores are also uniformly distributed on the medicine injection parts.
(3) The utility model discloses a special catheter specially designed to male sex patient, the length control of injection portion is at 10-12cm, and the equipartition has the medicine micropore on it, and the even dispersion of anaesthetic of being convenient for gets into whole urethra, plays the anesthesia effect, overcomes the male sex patient's catheterization difficulty of current urinary tract infection or prostatic hyperplasia, painful scheduling problem behind the catheterization, improves male sex patient's urethral catheterization's comfort level.
(4) The utility model discloses simple structure, inlet channel and injection passageway are two sets of parallel channel in locating the pipe wall respectively, avoid setting up the catheter pipe wall into many sandwich structure and occupy the urination passageway internal diameter for clinical catheterization effect obtains guaranteeing.
Drawings
Fig. 1 is a schematic view of a prior art urinary catheter.
Fig. 2 is a schematic view of the internal structure of the catheter of the present invention.
Fig. 3 is a schematic structural view of the drug micropores on the catheter of the present invention.
Fig. 4 is a sectional view a-a shown in fig. 2.
Fig. 5 is a sectional view B-B shown in fig. 2.
Wherein, 1-urination channel, 2-catheter, 3-gasbag, 4-air inlet channel, 5-medicine injection part, 6-medicine injection channel, and 7-medicine micropore.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example (b):
in order to solve the comfort of male patients with urinary tract infection, prostatic hyperplasia and the like in the process of catheterization and after catheterization, the embodiment provides the medical painless urinary catheter. As shown in figures 2 to 4, the utility model has simple structure, which not only can reduce the pain of the patient during the catheterization, but also can ensure the efficiency of the catheterization and improve the success rate of the catheterization.
The catheter 2 related to the embodiment adopts the structure shown in fig. 2, and is provided with a urine drainage channel 1, one end of the urine drainage channel 1 is a urine guide hole, after the catheter 2 is inserted into the bladder from the urethral orifice, urine is guided into the urine drainage channel 1 from the urine guide hole, and the other end of the urine drainage channel 1 is used for connecting a urine bag to facilitate collection of the urine. The tube wall of the catheter 2 is internally provided with an air bag 3, an air inlet channel 4, a medicine injection part 5 and a medicine injection channel 6. The distance between the air bag 3 and the urethral catheterization hole is about 2-3 cm, the air bag can be arranged to be of a sandwich structure which is coated on the outer ring of the urination channel 1, as shown in the structure of figure 2, one end part of the air inlet channel 4 is communicated with the air hole of the air bag 3, and the other end part is connected with an air source. During the use, supply gas in to inlet channel 4 through the air supply, gasbag 3 inflates and expands, and 2 front ends grow thereupon of catheter, can be used to be fixed in the bladder with the front end of catheter 2, avoid catheter 2 landing.
The drug injection part 5 is a cylindrical hollow structure, and drug micropores 7 are formed in the side wall of the drug injection part and used for dispersing drugs into the urethra, as shown in fig. 3. In order to meet the use requirement, the distance between the medicine injection part 5 and the air bag 3 can be set to be 2-4cm so as to ensure that the medicine injection part 5 is correspondingly arranged in the urethra when in use, and in addition, in order to meet the use requirement of male patients, the length of the medicine injection part 5 is set to be 10-12cm according to the length of the urethra. In order to ensure the even dispersion of the medicament in the urethra, at least two medicament injection parts 5 can be evenly arranged along the circumferential direction of the catheter 2. In one embodiment, as shown in the structure of fig. 4, four drug injection parts 5 are uniformly distributed in the circumferential direction of the tube wall of the catheter 2. Injection portion 5 connects the injection ware through injection passageway 6, during clinical use, can adopt the injection ware to send medicine to injection portion 5 as required, and inlet channel 4 and injection passageway 6 are parallel to each other and locate in 2 pipe walls of catheter. In a specific embodiment, as shown in fig. 5, an air inlet channel 4 and a drug injection channel 6 are arranged in the wall of the catheter 2.
The specific operation steps of the catheter 2 according to this embodiment are as follows:
s1: the urethra is disinfected by an iodophor cotton ball, and after disinfection, the paraffin oil cotton ball is taken to lubricate the whole catheter 2.
S2: after the catheter 2 is inserted into the bladder from the urethra and the insertion of the balloon 3 of the catheter 2 into the bladder is confirmed, the balloon 3 is inflated to fix the catheter 2, and a urine bag is connected to the catheter 2.
S3: according to the patient's demand, adopt the injection ware to inject tetracaine gel (1%, 80 mg/time) into injection portion 5, tetracaine gel has better ductility, along with the propelling movement of injection ware, can follow injection passageway 6 and send into injection portion 5 to disperse to whole urethra through medicine micropore 7, play anesthesia, the effect of analgesia.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the protection scope of the present invention for any simple modification and equivalent change of the above embodiments.
Claims (1)
1. A medical painless catheter is characterized in that: the urethral catheter comprises a urethral catheter (2) provided with a urination channel (1), wherein the wall of the urethral catheter (2) is provided with an air bag (3), an air inlet channel (4), a medicine injection part (5) and a medicine injection channel (6), the air inlet channel (4) and the medicine injection channel (6) are parallel to each other and arranged in the wall of the urethral catheter (2) in a non-contact manner, one end part of the air inlet channel (4) is communicated with the air bag (3), the other end part of the air inlet channel is connected with an air source, and the distance between the air bag (3) and a urethral catheterization hole is 2-3 cm; one end part of the medicine injection channel (6) is communicated with the medicine injection part (5), the other end part is connected with the medicine injector, a medicine micropore (7) is arranged on the medicine injection part (5),
the number of the medicine injection parts (5) is at least two, the medicine injection parts are circumferentially and uniformly distributed on the catheter (2), the number of the medicine injection channels (6) is at least one,
the distance between the medicine injection part (5) and the air bag (3) is 2-4cm, and the length of the medicine injection part (5) is 10-12 cm;
the air bag (3) is of a sandwich structure coated on the outer ring of the urination channel (1), at least one air hole is arranged to be communicated with the air inlet channel (4), and the number of the air inlet channel (4) is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120868840.5U CN217510989U (en) | 2021-04-26 | 2021-04-26 | Medical painless catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120868840.5U CN217510989U (en) | 2021-04-26 | 2021-04-26 | Medical painless catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217510989U true CN217510989U (en) | 2022-09-30 |
Family
ID=83367256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120868840.5U Active CN217510989U (en) | 2021-04-26 | 2021-04-26 | Medical painless catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217510989U (en) |
-
2021
- 2021-04-26 CN CN202120868840.5U patent/CN217510989U/en active Active
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