CN113967305B - Urination tube - Google Patents
Urination tube Download PDFInfo
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- CN113967305B CN113967305B CN202111575173.2A CN202111575173A CN113967305B CN 113967305 B CN113967305 B CN 113967305B CN 202111575173 A CN202111575173 A CN 202111575173A CN 113967305 B CN113967305 B CN 113967305B
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- body part
- urinary catheter
- urethra
- diameter
- main body
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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
- A61M25/0067—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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Urology & Nephrology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The utility model relates to a urinary catheter, urinary catheter includes first main part, second main part and third main part, first main part has accomodate state and expanded state, the less internal of being convenient for of volume is put into when first main part is in accomodate state, when first main part takes place to deform and is in the expanded state, at least part of first main part is in the bladder and the diameter is greater than the second main part, reduce the possibility that first main part breaks away from, at least part of second main part is the tubulose urethra that is used for supporting prostate portion, the third main part has the bellying, thereby the bellying can imbed the fixed third main part of urethra mucosa, thereby first main part and second main part have fixed effect respectively and has reduced thereby the urinary catheter and have taken place the possibility of shifting.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a urinary catheter.
Background
With the aging of the population, more and more patients with benign prostatic hyperplasia have the problems of affecting the normal urination of the patients, the problem can be improved by arranging a urination tube or a bracket in the urethra at present, and the current urination tube or bracket has some problems, for example, the nickel-titanium alloy bracket is easy to shift in the urethra at the prostatic hyperplasia part, the volume of the indwelling urination tube is large, so that the irritation and the foreign body sensation are strong, and the discomfort is easy to bring to the patients.
Disclosure of Invention
The application provides a urinary catheter for solve the easy problem that shifts and bulky of urinary catheter.
The application provides a urinary catheter, urinary catheter includes:
a first body portion deformable for contact with the bladder;
a second body portion, the second body portion being connected to the first body portion and at least a portion of the second body portion being tubular for supporting a prostatic urethra;
the third main body part is connected with one end, far away from the first main body part, of the second main body part;
wherein the first body portion has a stowed condition and an expanded condition, when the first body portion is in the stowed condition, for insertion into a urethra, and when the first body portion is in the expanded condition, at least a portion of the first body portion has a diameter greater than a diameter of the second body portion, and the third body portion has a protrusion for contact with a bulbar urethra.
In one possible embodiment, when the first body portion is in the expanded state, the diameter of the first body portion gradually increases in a direction away from the second body portion, and the first body portion has a through hole communicating with the second body portion.
In a possible embodiment, the third main body portion includes an annular portion and a balloon, and the balloon can drive the annular portion to deform.
In a possible embodiment, the third body portion has an outer cover film covering the bulge portion.
In one possible embodiment, the cross-sectional area of the protrusion is gradually reduced in a direction away from the third main body portion.
In a possible embodiment, the second body portion comprises a support portion for supporting the urethra of the prostate portion and a connecting portion which is deformable for connecting the support portion and the third body portion.
In a possible embodiment, the connecting portion is a strip, and the diameter of the connecting portion is 0.1 cm.
In a possible embodiment, the material of the connecting portion is a memory alloy, and the connecting portion can change from a strip shape to a spiral shape when the connecting portion reaches a preset temperature.
In one possible embodiment, the connecting part has at least one spiral, and the inner diameter of the tube formed by the spiral shape is 10F, and the length of the connecting part at the bulbar urethral canal is 0.5 cm to 1 cm.
In one possible embodiment, the support part is deformable to a diameter of 10F to 12F before insertion into the urethra and a diameter of 14F to 26F after insertion into the urethra.
In one possible embodiment, the third body portion is deformable to a diameter of 10F to 12F prior to insertion into the urethra and a diameter of 18F to 30F after insertion into the urethra.
In one possible embodiment, at least part of the second body portion is provided with radioactive material.
The utility model provides a urinary catheter, urinary catheter includes first main part, second main part and third main part, first main part has accomodate state and expanded state, the volume is less when first main part is in the accomodate state and is convenient for put into physically, when first main part takes place deformation and is in the expanded state, at least part of first main part is in the bladder and the diameter is greater than the second main part, reduce the possibility that first main part breaks away from, at least part of second main part is the tubulose and is used for supporting prostatic urethra, the third main part has the bellying, thereby the bellying can imbed urethral mucosa fixed third main part, thereby first main part and second main part have respectively fixed effect thereby reduced the urinary catheter and taken place the possibility of shifting.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a schematic view of a first main body of a urinary catheter provided herein in a stored state;
FIG. 2 is a schematic view of the first body portion of the urinary catheter provided herein in an expanded configuration;
FIG. 3 is a schematic view of a third body portion of a urinary catheter according to the present application;
FIG. 4 is a schematic view of a urinary catheter provided herein placed in a urethra;
FIG. 5 is a schematic view of a deformed third body portion of a urinary catheter according to the present application;
FIG. 6 is a schematic view of a urinary catheter installed in a urethra as provided by the present application;
figure 7 is a cross-sectional view of a urinary catheter as provided herein.
Reference numerals:
1-a first body portion;
2-a second body portion;
21-a support part;
22-a connecting part;
3-a third body portion;
31-a boss;
32-a ring-shaped portion;
4-wrapping the membrane;
5-prostate;
51-prostatic urine;
52-membranous urethra;
53-sphincter;
a 6-bulbar urethra;
7-bladder.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to better understand the technical solution of the present application, the following detailed description is made with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1 to 3, the present embodiment provides a urinary catheter, which includes a first main body part 1, a second main body part 2 and a third main body part 3, wherein the first main body part 1 can be deformed to contact with a bladder 7, the second main body part 2 is connected to the first main body part 1, at least a part of the second main body part 2 is tubular to support a prostatic urethra 51, and the third main body part 3 is connected to an end of the second main body part 2 away from the first main body part 1, wherein the first main body part 1 has a storage state and an expansion state, when the first main body part 1 is in the storage state, the first main body part 1 is placed into the urethra, when the first main body part 1 is in the expansion state, at least a part of the first main body part 1 has a diameter larger than that of the second main body part 2, the third main body part 3 has a protrusion 31, and the protrusion 31 is used to contact with a bulbar urethra 6.
The first main body part 1 can be in a storage state under the external force limitation, when the first main body part 1 is in the storage state, the volume of the first main body part 1 is small, the urinary catheter can be conveniently placed in a urethra to be installed, when the urinary catheter is placed at a preset position, the external force limitation is relieved, the first main body part 1 deforms, at least part of the first main body part 1 is arranged in a bladder 7 and fixed with the neck opening of the bladder 7, the diameter of the first main body part 1 is larger than that of the second main body part 2, the possibility that the first main body part 1 is separated from the bladder 7 is reduced, the possibility that the urinary catheter is displaced is reduced, at least part of the second main body part 2 is tubular and used for supporting a urethra 51 of a prostate part, the urination problem caused by prostatic hyperplasia or prostate cancer surgery is solved, a bulge part 31 is arranged on the surface of the third main body part 3, and the bulge part 31 can be embedded into mucosa of the bulb 6 under the external force to play a fixing role, the possibility of displacement of the urinary catheter is reduced, so that the second body part 2 does not need to be provided with an excessively large diameter for fixing the urinary catheter, and the stimulation to the prostate part is reduced. The volume of the urinary catheter at the prostatic segment can be reduced by combining the bladder 7 with the neck for fixation, and the possibility of displacement of the urinary catheter can be reduced by fixing the urinary catheter through the first main body part 1 and the third main body part 3.
In a possible embodiment, as shown in fig. 4, when the first body portion 1 is in an expanded state, the diameter of the first body portion 1 is gradually increased in a direction away from the second body portion 2, and the first body portion 1 has a through hole communicating with the second body portion 2, and the urinary catheter can be placed into the urethra through the introduction tube. This application can combine endoscope or external magnetic field to fix a position, for example, the introducing tube has the magnetic path, and also places the magnetic path in the corresponding region of body surface, and the magnetic path on the introducing tube can be attracted when external magnetic path is passed through to place the ureter through the introducing tube and preset the position.
The mode can improve the positioning precision, can reduce the positioning difficulty, has lower requirements on medical conditions and medical level, and is more convenient to operate.
When the first main body part 1 is in the expanded state, along the direction of keeping away from the second main body part 2, the diameter of the first main body part 1 increases gradually, forms an approximate umbrella-shaped structure, helps unobstructed micturition, and reduces the possibility that the first main body part 1 breaks away from the bladder 7, thereby reduces the possibility that the ureter shifts, and the first main body part 1 has the through hole and the second main body part 2 intercommunication, is convenient for the urine to be smoothly discharged from the bladder 7.
In a possible embodiment, the third main body 3 comprises a ring-shaped portion 32 and a balloon capable of deforming the ring-shaped portion 32.
The sacculus can take place deformation in order to change the volume, for example, the sacculus can be after aerifing volume grow to drive annular portion 32 and expand gradually, make the bellying 31 embedding bulbus urethra 6 mucosa that is located annular portion 32, thereby play the fixed action, reduce the possibility that the ureter takes place to shift, the sacculus can be deflated and take out external after aerifing the completion.
As shown in fig. 4 and 5, in one possible embodiment, the third body portion 3 has an outer cover film 4, the outer cover film 4 covering the boss portion 31.
When the urinary catheter is put into the urethra, the outer coating film 4 is used for covering the protruding portion 31, the surface of the third main body portion 3 is relatively smooth, the urinary catheter is convenient to place to the preset position, when the urinary catheter reaches the preset position, the annular portion 32 can be opened under the action of the air bag, the protruding portion 31 can pierce the outer coating film 4 to be embedded into the ball portion urethra 6, and the material of the outer coating film 4 can be silica gel.
In a possible embodiment, the protruding portion 31 has a gradually decreasing cross-sectional area in a direction away from the third body portion 3.
The bulge 31 is used for penetrating into the urethral mucosa to fix the urinary catheter, the bulge 31 gradually reduces along the direction sectional area of keeping away from the third main body part 3 so that the bulge 31 penetrates into the urethral mucosa, when urinating, the urinary catheter has the trend of breaking away from the urethra along the direction of keeping away from the bladder 7, and the bulge 31 penetrates into the urethral mucosa and is firmer for the third main body part 3 to fix.
As shown in fig. 4 and 6, in one possible embodiment, the second body part 2 comprises a support part 21 and a connection part 22, the support part 21 being used for supporting the prostatic urethra 51, and the connection part 22 being deformable for connecting the support part 21 and the third body part 3.
The cross section of the supporting part 21 can be circular or elliptical, the supporting part 21 is elliptical at one end close to the bladder 7, which is helpful for opening the urethra and facilitating the fixing of the urination duct at the prostatic urethra, the supporting part 21 is used for supporting the prostatic urethra 51, the connecting part 22 is used for connecting the supporting part 21 and the third main body part 3, and the third main body part 3 has small volume and reduces the contact area with the urethra, thereby reducing the stimulation and discomfort during use.
In one possible embodiment, the connecting portion 22 is a bar, and the diameter of the connecting portion 22 is 0.1 cm.
The connecting part 22 is arranged to be strip-shaped, so that the diameter volume of the connecting part 22 is reduced, the contact area between the connecting part 22 and the urethra is reduced, foreign body feeling and discomfort caused by using the urinary catheter are reduced, the diameter of the connecting part 22 is 0.1 cm, and the connecting part 22 can be enabled to have enough strength to connect the supporting part 21 and the third main body part 3.
As shown in fig. 1 to 4, in a possible embodiment, the material of the connecting portion 22 is a memory alloy, and when the connecting portion 22 reaches a preset temperature, the connecting portion 22 can change from a strip shape to a spiral shape.
Connecting portion 22' S material is memory alloy, memory alloy can take place deformation under the uniform temperature, connecting portion 22 is convenient for place the urination pipe when the strip and predetermines the position, place the urethra and reach when predetermineeing the temperature when the urination pipe, connecting portion 22 becomes the spiral by the strip, along the radial direction of urination pipe, connecting portion 22 can be the S type at the projection after the deformation, compare with the tubulose, the whole volume of spiral is littleer, it is littleer to the expansion effect of urethra, also littleer to the influence of sphincter 53 shrink, thereby alleviate the stimulation and the foreign matter sense to the patient. The spiral shape may serve to support and reduce urinary catheter kinking, and the spiral shape may be 1.5 cm to 2 cm in length in the membranous portion of the urethra 52.
In one possible embodiment, as shown in figures 1-4, the junction 22 has at least one spiral, and the spiral shape forms a tube with an inner diameter of 10F, with the junction 22 having a length of 0.5 cm to 1 cm in the bulbar urethra 6.
F is the diameter unit of the medical catheter, 3F is equal to 1 mm, and the contact area between the connecting part 22 and the urethra is reduced by limiting the diameter and the length of the spiral, so that the foreign body feeling and the uncomfortable feeling caused by using the urinary catheter are reduced, and the influence on the contraction function of the sphincter 53 is reduced.
In one possible embodiment, the support portion 21 is deformable to a diameter of 10F to 12F before insertion into the urethra and a diameter of 14F to 26F after insertion into the urethra.
The supporting part 21 is made of memory alloy materials, the diameter is small before the supporting part is placed into the urethra, the operation is convenient, the supporting part 21 reaches the preset temperature after being placed into the body, and the deformation diameter of the supporting part 21 is enlarged and is used for supporting the urethra 51 of the prostate part.
In a possible embodiment, the third body part 3 is deformable to a diameter of 10F to 12F before insertion into the urethra and to a diameter of 18F to 30F after insertion into the urethra.
The third main part 3 is made of memory alloy materials, the diameter is smaller before the third main part is placed into the urethra, the operation is convenient, liquid with certain temperature, such as liquid with 35 degrees centigrade, can be injected into the body through the introducing pipe, the deformation diameter of the third main part 3 is enlarged, the ball part urethra 6 is embedded, and therefore the urination pipe is fixed and the support effect is achieved.
In one possible embodiment, at least part of the second body portion 2 is provided with radioactive material, as shown in fig. 7.
The radioactive substance is used to necrose the prostatic hyperplastic tissue to treat prostatic hyperplasia, thereby improving symptoms of urinary tract obstruction while treating diseases, and the radioactive substance provided in the second body part 2 may be iodine 125, which may be provided to have a length of 3 mm to 12 mm.
The embodiment of the application provides a urinary catheter, urinary catheter includes first main part 1, second main part 2 and third main part 3, first main part 1 has accomodate state and expanded state, the less internal of being convenient for of volume is put into when first main part 1 is in accomodate state, when first main part 1 takes place to deform and is in the expanded state, at least part of first main part 1 is in bladder 7 and the diameter is greater than second main part 2, reduce the possibility that first main part 1 breaks away from, at least part of second main part 2 is the tubulose urethra 51 that is used for supporting prostate portion, third main part 3 has bellying 31, thereby bellying 31 can imbed the fixed third main part 3 of urethra mucosa, first main part 1 and second main part 2 have the fixed effect respectively thereby reduced the urinary catheter and taken place the possibility of shifting.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. A urinary catheter, characterized in that it comprises:
a first body portion (1), the first body portion (1) being tubular, the first body portion (1) being deformable for contact with a bladder (7);
a second body part (2), the second body part (2) being connected to the first body part (1), and at least part of the second body part (2) being tubular for supporting a prostatic urethra (51);
the third main body part (3), the third main body part (3) is connected with one end of the second main body part (2) far away from the first main body part (1);
wherein the first body part (1) has a stowed state and an expanded state, the first body part (1) having a diameter equal to the second body part (2) for insertion into the urethra when the first body part (1) is in the stowed state, at least a portion of the first body part (1) having a diameter greater than the diameter of the second body part (2) when the first body part (1) is in the expanded state, the third body part (3) having a bulge (31), the bulge (31) for contact with the bulbar urethra (6);
when the first main body part (1) is in an expanded state, the diameter of the first main body part (1) is gradually increased along the direction away from the second main body part (2), and the first main body part (1) is provided with a through hole which is communicated with the second main body part (2).
2. The urinary catheter according to claim 1, characterized in that the third body part (3) comprises an annular part (32) and a balloon, which is capable of bringing about a deformation of the annular part (32).
3. The urinary catheter according to claim 2, characterized in that the third body part (3) has an outer cover film (4), the outer cover film (4) covering the protruding part (31).
4. The urinary catheter according to claim 1, characterized in that the raised portion (31) has a gradually decreasing cross-sectional area in a direction away from the third body portion (3).
5. The urinary catheter according to claim 1, characterized in that the second body part (2) comprises a support part (21) and a connection part (22), the support part (21) being adapted to support the prostatic urethra (51) and the connection part (22) being elastically deformable for connecting the support part (21) and the third body part (3).
6. The urinary catheter according to claim 5, characterized in that the connection portion (22) is strip-shaped and that the diameter of the connection portion (22) is 0.1 cm.
7. The urinary catheter according to claim 6, characterized in that the material of the connection portion (22) is a memory alloy, the connection portion (22) being capable of changing from a strip-like shape to a spiral-like shape when the connection portion (22) reaches a predetermined temperature.
8. The urinary catheter according to claim 7, characterized in that the connecting portion (22) has at least one spiral and the spiral shape forms a tube with an inner diameter of 10F, the length of the connecting portion (22) in the bulbar urethra (6) being 0.5 cm to 1 cm.
9. The urinary catheter according to claim 5, characterized in that the support part (21) is deformable and has a diameter of 10F to 12F before insertion into the urethra and a diameter of 14F to 26F after insertion into the urethra.
10. A urinary catheter according to any of the claims 1-8, characterized in that the third body part (3) is deformable and has a diameter of 10F-12F before insertion into the urethra and a diameter of 18F-30F after insertion into the urethra.
11. The urinary catheter according to any of the claims 1 to 8, characterized in that at least part of the second body part (2) is provided with radioactive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111575173.2A CN113967305B (en) | 2021-12-22 | 2021-12-22 | Urination tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111575173.2A CN113967305B (en) | 2021-12-22 | 2021-12-22 | Urination tube |
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| Publication Number | Publication Date |
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| CN113967305A CN113967305A (en) | 2022-01-25 |
| CN113967305B true CN113967305B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111575173.2A Active CN113967305B (en) | 2021-12-22 | 2021-12-22 | Urination tube |
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| JPH0654913A (en) * | 1992-08-07 | 1994-03-01 | Katsushi Mori | Urethra stent |
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| CN112754728A (en) * | 2021-04-07 | 2021-05-07 | 德宝恒生科技服务有限公司 | Artificial urethra and artificial urethra implantation kit |
| CN112754727A (en) * | 2021-04-07 | 2021-05-07 | 德宝恒生科技服务有限公司 | Urethra implant and urethra implant assembly |
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| Publication number | Publication date |
|---|---|
| CN113967305A (en) | 2022-01-25 |
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