CN214596769U - Urethral catheter convenient for discharging urethral calculus - Google Patents
Urethral catheter convenient for discharging urethral calculus Download PDFInfo
- Publication number
- CN214596769U CN214596769U CN202023156578.6U CN202023156578U CN214596769U CN 214596769 U CN214596769 U CN 214596769U CN 202023156578 U CN202023156578 U CN 202023156578U CN 214596769 U CN214596769 U CN 214596769U
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- CN
- China
- Prior art keywords
- pipe
- catheter
- urethral
- sliding block
- 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.)
- Expired - Fee Related
Links
- 201000009160 urethral calculus Diseases 0.000 title claims abstract description 11
- 206010007026 Calculus urethral Diseases 0.000 title claims abstract description 7
- 238000007599 discharging Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 19
- 230000002485 urinary effect Effects 0.000 claims description 7
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 5
- 239000004626 polylactic acid Substances 0.000 claims description 5
- 229920000954 Polyglycolide Polymers 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000004633 polyglycolic acid Substances 0.000 claims description 3
- 208000009911 Urinary Calculi Diseases 0.000 claims 4
- 208000008281 urolithiasis Diseases 0.000 claims 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical group CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 8
- 239000004575 stone Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- 210000002700 urine Anatomy 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000004310 lactic acid Substances 0.000 description 4
- 235000014655 lactic acid Nutrition 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 210000003708 urethra Anatomy 0.000 description 3
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 2
- 208000006568 Urinary Bladder Calculi Diseases 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000007071 enzymatic hydrolysis Effects 0.000 description 2
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 239000002207 metabolite Substances 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 230000004102 tricarboxylic acid cycle Effects 0.000 description 2
- 206010056948 Automatic bladder Diseases 0.000 description 1
- 206010048994 Bladder spasm Diseases 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model relates to the field of medical equipment, specifically disclose a conveniently discharge catheter of urethral calculus, including the expansion pipe, the catheter with the function pipe of expansion pipe intercommunication and function pipe intercommunication, the expansion pipe includes the inner tube, establish at the outside outer tube of inner tube and fill the air cushion in the outer tube, the outer tube is worn out to the gas transmission end of air cushion and is connect the admission pipe, the symmetry is opened flutedly on the function pipe, sliding connection has sliding block and water injection pipe respectively in the recess, the one end rigid coupling that the expansion pipe was kept away from to the sliding block has the brush, the one end and the sliding block rigid coupling of water injection pipe, the function pipe is worn out to the other end of water injection pipe, the catheter includes the connecting pipe that communicates with the function pipe and the catheter needle head that communicates with the connecting pipe, it has the accommodation hole that can hold the brush and pass through to open on the catheter needle head, this device has solved the problem that the big calculus after the laser lithotripsy is difficult to follow traditional catheter and discharges.
Description
Technical Field
The application relates to the field of medical equipment, and specifically discloses a urethral catheter convenient for discharging urethral calculus.
Background
Urinary catheters are devices made of natural rubber, silicone rubber or polyvinyl chloride that can be inserted into the bladder via the urethra to drain urine. The most frequent use of current catheter is with three chamber catheters, and three chamber catheters have the gas injection passageway of gasbag, annotate the notes liquid passageway of liquid to and the catheterization passageway of catheterization, the gasbag is for the convenience catheter internal fixation, annotates the liquid passageway and is used for carrying out the bladder and washes, in order to prevent urinary system infection, the catheterization passageway is used for connecting urine bag exhaust urine. In the clinical practice of urinary surgery, intravesical hemorrhage, bladder calculi and bladder spasm are important reasons for causing obstruction of the catheter, the aperture and the number of the urethral catheterization holes of the existing catheter are limited, and the effective drainage channel is often easily blocked by blood clots, calculi and even spastic bladder mucosa, so that unsmooth drainage is caused. If a patient with bladder bleeding and forming blood clots or bladder stones does not wash or wash the bladder thoroughly in time, the catheter can be blocked, and the patient is likely to be in life danger. In addition, at present, the laser stone crusher is mainly used for crushing stones clinically, after the stones are crushed by the laser stone crusher, the crushed stones are irregular, the urinary catheter is easy to damage when the crushed stones are discharged, some crushed stones are still difficult to discharge, great working difficulty is increased for medical staff, and pain is brought to patients, so that the urinary catheter convenient for discharging urethral stones is provided by the inventor, and the problems are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the big calculus after the laser rubble and be difficult to follow the problem of traditional catheter exhaust.
In order to achieve the above object, the present invention provides the following basic scheme:
a urethral catheter convenient for discharging urethral calculus comprises an expansion tube, a functional tube communicated with the expansion tube and a urethral catheter communicated with the functional tube;
the expansion pipe comprises an inner pipe, an outer pipe arranged outside the inner pipe and an air cushion filled in the outer pipe, wherein the air conveying end of the air cushion penetrates out of the outer pipe to be connected with an air inlet pipe;
grooves are symmetrically formed in the functional pipe, a sliding block and a water injection pipe are respectively connected in the grooves in a sliding mode, one end, away from the expansion pipe, of the sliding block is fixedly connected with a hairbrush, one end of the water injection pipe is fixedly connected with the sliding block, and the other end of the water injection pipe penetrates out of the functional pipe;
the catheter comprises a connecting pipe communicated with the functional pipe and a catheter needle communicated with the connecting pipe, and the catheter needle is provided with a containing hole capable of containing the hairbrush to pass through.
The principle and effect of this basic scheme lie in:
1. compared with the prior art, this device passes through water injection pipe and brush clearance large granule calculus for it is external that large granule calculus can discharge smoothly, and this device has solved the problem that the big calculus after the laser rubble is difficult to follow traditional catheter exhaust.
Compared with the prior art, this device has set up air cushion and intake pipe, bleeds through the air cushion and changes the outside atress size of inner circle, leads to the calculus too little to pass through when the inner circle internal diameter, can pass through the form of air cushion gassing for the outside atress of inner circle diminishes, and then enlarges the internal diameter of inner circle, and then discharges the calculus smoothly, and this device has solved the big calculus after the laser rubble and has been difficult to follow traditional catheter exhaust problem.
Furthermore, a valve is arranged on the air inlet pipe. The valve is used for pumping air from the air cushion, so that the air cushion can compress the inner tube to change the inner diameter of the inner tube.
Further, the urethral catheterization needle head is made of biodegradable materials. Biodegradable material is minimum to the human harm, and the material is human to be explained, and then can ensure that human inside does not remain the impurity that this device left over.
Furthermore, can dismantle on the sliding block and be connected with the safety catch that is used for stopping the sliding of sliding block. The safety plug is a fixing device and aims to ensure the functionality of the function tube.
Further, the safety catch is the connecting pin, and the sliding block is fixed through the form of bolt to the connecting pin. The safety catch is used for preventing the sliding block from sliding randomly.
Further, the biodegradable material is selected from polylactic acid materials, polyglycolic acid materials and copolymers thereof. For example, the degradation of polylactic acid in vivo is mainly carried out in a non-enzymatic hydrolysis mode of ester bonds, the intermediate product is lactic acid (a metabolite of sugar), and the lactic acid can enter a tricarboxylic acid cycle of human body metabolism, is finally metabolized into water and carbon dioxide, and is discharged out of the body in various forms through urethra, urine, skin and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 shows a schematic top-down view of a catheter for facilitating removal of urethral stones according to an embodiment of the present application;
FIG. 2 is a schematic diagram showing the structure of an air cushion in a urinary catheter for facilitating the removal of urethral stones according to an embodiment of the present application;
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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 following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an expansion pipe 1, an air cushion 2, an air inlet pipe 3, an inner pipe 4, a sliding block 7, a safety plug 8, a water injection pipe 10, a brush 12, a urethral catheterization needle 13 and a connecting pipe 14.
Examples are shown in fig. 1 and 2:
a catheter convenient for discharging urethral calculus is disclosed, as shown in figure 1, comprising an expansion tube 1, a functional tube communicated with the expansion tube 1 and a catheter communicated with the functional tube, which are arranged from left to right in sequence, wherein the inner diameters of the expansion tube 1, the functional tube and the catheter are the same.
The expansion pipe 1 comprises an inner pipe 4, an outer pipe arranged outside the inner pipe 4 and an air cushion 2 filled in the outer pipe, the air delivery end of the air cushion 2 penetrates out of the outer pipe to be connected with an air inlet pipe 3, and a valve is arranged on the air inlet pipe 3. Utilize the valve to make air cushion 2 bleed for air cushion 2 can compress inner tube 4, changes the internal diameter of inner tube 4, and inner tube 4 should choose the material that can take place plastic deformation for use in chooseing for use of material, and air cushion 2 aerifys like this and just can make inner tube 4 take place to warp, and the internal diameter of inner tube 4 just can change.
As shown in fig. 1, the functional tube is symmetrically provided with grooves, the grooves are internally and respectively provided with a sliding block 7 and a water injection tube 10 in a sliding manner, the sliding block 7 is fixedly connected with a brush 12 at the left end far away from the expansion tube 1, the upper end of the water injection tube 10 is fixedly connected with the sliding block 7, the sliding block 7 is driven by the water injection tube 10 to move left and right, the other end of the water injection tube 10 penetrates out of the functional tube and is connected with a water injection device, the brush 12 is consistent with the water outlet end of the water injection tube 10, the design enables the brush 12 to move along with water outlet, in order to improve the stability and safety of the design, and the sliding block 7 is detachably connected with a safety plug 8 for preventing the sliding block 7 from sliding. The safety catch 8 is a fixing device for ensuring the functionality of the functional tube, and the safety catch 8 is a connecting pin which fixes the sliding block 7 in the form of a bolt. The slide block 7 is prevented from sliding freely by a safety catch 8.
The catheter comprises a connecting pipe 14 communicated with the functional pipe and a urethral catheterization needle 13 communicated with the connecting pipe 14, wherein the urethral catheterization needle 13 is provided with a containing hole for allowing the brush 12 to pass through, and the urethral catheterization needle 13 is made of biodegradable materials. The biodegradable material has the minimum harm to the human body, the material quality of the biodegradable material can be explained by the human body, so that the impurities left by the device can be prevented from remaining in the human body, and the biodegradable material is selected from polylactic acid materials, polyglycolic acid materials and copolymers thereof. For example, the degradation of polylactic acid in vivo is mainly carried out in a non-enzymatic hydrolysis mode of ester bonds, the intermediate product is lactic acid (a metabolite of sugar), and the lactic acid can enter a tricarboxylic acid cycle of human body metabolism, is finally metabolized into water and carbon dioxide, and is discharged out of the body in various forms through urethra, urine, skin and the like.
The specific implementation process comprises the following steps: first, insert urethral canal depths to catheter needle 13, take off safety plug 8 again, push sliding block 7 and make brush 12 wear out catheter needle 13, water injection pipe 10 begins the water injection, let brush 12 front end water spray, on one side water spray back pull-out sliding block 7 gently on one side, the calculus of urethral canal wall can be followed brush 12 and flowed out, partial calculus can be taken out by brush 12 on top, the front end design of water injection pipe 10 has the pore and can spray water, can wash calculus and the crystallization granule on the urethral canal wall, the second step, if the calculus appears too big, the unable condition through expansion pipe 1, utilize air cushion 2 to give up, the outside atress of inner tube 4 diminishes, make inner tube 4 expand, and then make the large granule calculus pass through.
The device solves the problem that large stones broken by laser are difficult to be discharged from the traditional catheter.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (6)
1. A urethral catheter convenient for discharging urethral calculus is characterized by comprising an expansion tube, a functional tube communicated with the expansion tube and a urethral catheter communicated with the functional tube;
the expansion pipe comprises an inner pipe, an outer pipe arranged outside the inner pipe and an air cushion filled in the outer pipe, wherein the air conveying end of the air cushion penetrates out of the outer pipe and is connected with an air inlet pipe;
grooves are symmetrically formed in the functional pipe, a sliding block and a water injection pipe are respectively connected in the grooves in a sliding mode, one end, away from the expansion pipe, of the sliding block is fixedly connected with a hairbrush, one end of the water injection pipe is fixedly connected with the sliding block, and the other end of the water injection pipe penetrates out of the functional pipe;
the catheter comprises a connecting pipe communicated with the functional pipe and a catheter needle communicated with the connecting pipe, and the catheter needle is provided with a containing hole capable of containing the hairbrush to pass through.
2. The urinary catheter for facilitating the removal of urinary calculi as claimed in claim 1, wherein said air intake tube is provided with a valve.
3. A catheter for facilitating the removal of urinary tract stones according to claim 1 wherein said catheter needle is of a biodegradable material.
4. A catheter for facilitating the removal of urethral stones as in claim 1 wherein a safety catch is removably attached to said slider block for preventing said slider block from sliding.
5. A catheter for facilitating the removal of urinary stones according to claim 4,
the safety catch is a connecting pin, and the connecting pin fixes the sliding block in a mode of a bolt.
6. A catheter for facilitating the removal of urinary stones according to claim 3,
the biodegradable material is selected from polylactic acid material, polyglycolic acid material and copolymer thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156578.6U CN214596769U (en) | 2020-12-24 | 2020-12-24 | Urethral catheter convenient for discharging urethral calculus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156578.6U CN214596769U (en) | 2020-12-24 | 2020-12-24 | Urethral catheter convenient for discharging urethral calculus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214596769U true CN214596769U (en) | 2021-11-05 |
Family
ID=78431871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023156578.6U Expired - Fee Related CN214596769U (en) | 2020-12-24 | 2020-12-24 | Urethral catheter convenient for discharging urethral calculus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214596769U (en) |
-
2020
- 2020-12-24 CN CN202023156578.6U patent/CN214596769U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |