CN219462059U - Inner diameter adjustable catheter - Google Patents
Inner diameter adjustable catheter Download PDFInfo
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- CN219462059U CN219462059U CN202320006936.XU CN202320006936U CN219462059U CN 219462059 U CN219462059 U CN 219462059U CN 202320006936 U CN202320006936 U CN 202320006936U CN 219462059 U CN219462059 U CN 219462059U
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- catheter
- wall
- inner diameter
- tube
- conductive wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model relates to an inner diameter adjustable catheter, and belongs to the technical field of medical appliances. The catheter is characterized in that one end of the catheter, which is far away from an operator, is provided with a balloon, the inner side of the catheter wall is provided with a conductive wire tube along the axial direction of the catheter, and a conductive wire and a plurality of magnetic coils distributed along the conductive wire are arranged in the conductive wire tube; the inner wall of the catheter in the axial direction is provided with a metal sheet or a metal wire. According to the catheter provided by the utility model, the inner diameter can be adjusted, when the catheter is pulled out, pain of a patient can be greatly reduced by reducing the pipe diameter, folding the balloon, spraying lubricant/antibiotic medicament/anti-inflammatory medicament and the like, and the occurrence of urinary system inflammation can be prevented; the utility model has simple manufacture, low cost and high feasibility.
Description
Technical Field
The utility model relates to an inner diameter adjustable catheter, and belongs to the technical field of medical appliances.
Background
The catheter is one of the medical instruments commonly used in clinic, and a double-cavity balloon catheter is widely adopted at present. The side wall of the front part of the catheter is provided with a urine guiding hole, and the rear part of the catheter is provided with a urine guiding hole which is connected with a urine storage bag. When the urethral catheter is used, the urethral catheter is inserted into the urethra, and in order to prevent the urethral catheter from slipping out of the urethra, the syringe can be used for filling physiological saline into the saccule from the liquid injection port to expand the saccule, so that the purpose of fixation is achieved. When the urinary catheter is pulled out, the normal saline in the saccule is firstly pulled out by a syringe, and then the urinary catheter is pulled out. However, after the catheter is left in the urethra for a long time, the adhesion between the catheter and the urethra can occur, and the friction between the catheter and the urethra can occur when the catheter is pulled out, so that the pain of a patient is hard, and meanwhile, if the catheter is damaged, the urinary tract infection is easy to cause, so that the pain of the patient is hard. The saccule is in an expanded state for a long time, so that the saccule can not be recovered in time after liquid is extracted during pulling out, and secondary injury is easily caused to the urethra of a patient.
1. The patent with the publication number of CN208389055U is a disposable sterile catheter, which enters the urethra through the drug injection hole at the front end of the catheter body to lubricate the urethra, but the wall of the catheter is tightly adhered to the urethra, so that the urethra cannot be infiltrated widely and thoroughly, and the effect is poor;
2. the patent with the publication number of CN204106801U is a collapsible catheter, and the rigid support rod is deformed by pulling a hinge through a pull wire, so that the diameter of the catheter is changed. However, the structure is complex, the manufacturing cost is high, the hinge can only travel in one direction, the pipe diameter can not retract, and the expansion can only be realized (when the rigid support rod is perpendicular to the flexible support rod, the pipe diameter of the flexible hose is maximum);
3. patent publication No. CN204106801U, a collapsible catheter, regulates the diameter of a tube by injecting and extracting physiological saline into a tubular stent. The patent completely discards the design of the sacculus at two ends of the catheter, ensures that the catheter is clamped in the urethra by expanding the front end, has poor feasibility, ensures that the catheter easily slides out of the urethra, has no rigid support, and cannot maintain the spiral shape for a long time.
Therefore, there is a need in the art for a urinary catheter that is convenient and safe to withdraw, avoiding increased patient pain.
Disclosure of Invention
The utility model aims to solve the technical problem of how to obtain a catheter which is convenient and safe to pull out and avoids the pain of a patient.
In order to solve the problems, the technical scheme adopted by the utility model is to provide the catheter with the adjustable inner diameter, and the balloon is arranged at one end of the catheter far away from an operator; the inner wall of the catheter in the axial direction is provided with a metal sheet or a metal wire.
Preferably, the catheter wall of the catheter is provided with a plurality of metal sheets, the metal sheets are arranged on a virtual line along the axial direction of the catheter, the virtual line is parallel to the conductive wire tube, and the virtual line and the conductive wire tube are respectively arranged on two lines intersecting with the catheter walls at two sides along a virtual plane of the central axis of the catheter; and a tube wall made of flexible materials for attracting the metal sheet to cause the inner diameter deformation of the catheter after the magnetic coil is electrified is arranged along the two sides of the virtual line.
Preferably, the catheter wall is provided with a metal wire which is parallel to the conductive wire tube, and the metal wire and the conductive wire tube are respectively arranged on two lines intersecting with the two side catheter walls along a virtual plane of the central axis of the catheter; and a tube wall made of flexible materials for attracting the metal wire to cause the inner diameter of the catheter to deform after the magnetic coil is electrified is arranged along two sides of the metal wire.
Preferably, the outer wall of the catheter is provided with a medicine injection tube.
Preferably, one end of the catheter, which is close to an operator, is provided with a conical urine bag connecting port, and the inner wall of the urine bag connecting port is provided with threads.
Compared with the prior art, the utility model has the following beneficial effects:
the inner diameter of the catheter can be adjusted, and when the catheter is pulled out, the pain of a patient can be greatly reduced and the occurrence of urinary system inflammation can be prevented by reducing the diameter of the catheter, folding the balloon, spraying lubricant/antibiotic medicament/anti-inflammatory medicament and the like; the utility model has simple manufacture, low cost and high feasibility.
Drawings
FIG. 1 is a schematic view of an adjustable inner diameter urinary catheter;
FIG. 2 is a schematic view showing the structure of an adjustable inner diameter catheter with the inner diameter being changed back and forth;
FIG. 3 is a schematic view of a cross-section of an inner diameter adjustable urinary catheter;
FIG. 4 is a schematic illustration of the use of an adjustable inner diameter urinary catheter;
fig. 5 is an enlarged schematic view of the connection of the urinary catheter and the urine bag connection tube of fig. 4.
Reference numerals: 1. a urinary catheter; 2. a balloon; 3. a metal sheet; 4. a conductive wire tube; 5. a button cell; 6. a switch; 7. a water filling port; 8. a drug injection tube; 9. a urine bag; 10. a urine bag connection port; 11 is a magnetic coil; 12. a urethral wall; 13. a hard segment; 14. soft segments.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments accompanied with the accompanying drawings are described in detail as follows:
as shown in fig. 1-5, the utility model provides an inner diameter adjustable catheter 1, one end of the catheter 1 far away from an operator is provided with a balloon 2, the inner side of the catheter 1 wall is provided with a conductive line tube 4 along the axial direction of the catheter 1, and the conductive line tube 4 is provided with a conductive wire and a plurality of magnetic coils 11 distributed along the conductive wire; the metal sheet 3 or the metal wire is arranged on the inner wall of the catheter 1 in the axial direction.
The catheter 1 is provided with a plurality of metal sheets 3 on the catheter wall, the metal sheets 3 are arranged on a virtual line along the axial direction of the catheter 1, the virtual line is parallel to the conductive line pipe 4, and the virtual line and the conductive line pipe 4 are respectively arranged on two lines intersecting the catheter walls on two sides along a virtual plane of the central axis of the catheter 1; a tube wall made of flexible materials for attracting the metal sheet 3 to deform the inner diameter of the catheter 1 after the magnetic coil 11 is electrified is arranged along two sides of the virtual line. The outer wall of the catheter 1 is also provided with an axial medicine injection tube 8.
In another embodiment, the catheter 1 is provided with a metal wire on the wall parallel to the conductive line tube 4, and the metal wire and the conductive line tube 4 are respectively arranged on two lines intersecting the two side walls along a virtual plane of the central axis of the catheter 1; the tube walls (namely, soft sections 14) made of flexible materials are arranged along the two sides of the metal wire, and the magnetic coil 11 attracts the metal wire after being electrified to drive the tube walls on the two sides of the metal wire to deform, so that the inner diameter of the catheter 1 is deformed.
The utility model aims to design the catheter with the adjustable inner diameter, and the catheter can greatly reduce the pain of a patient and reduce the incidence rate of inflammation at the lesion by reducing the diameter of the catheter 1, gathering the balloon 2, lubricating the medicine and the like when the catheter is pulled out.
Examples
As shown in fig. 1, the utility model provides an inner diameter adjustable catheter 1, wherein a balloon 2 is arranged on the outer wall of one end of the catheter 1 far away from an operator, and the balloon 2 is arranged around the catheter 1; a conductive wire tube 4 is arranged on the inner wall of the catheter on one side along the axial direction of the catheter 1, and a conductive wire and a plurality of magnetic coils 11 distributed along the conductive wire are arranged in the conductive wire tube 4; the conductive wire tube 4 needs to be subjected to waterproof sealing treatment;
a plurality of metal sheets 3 are arranged on the inner wall of the catheter at the other axial side of the catheter 1, and the metal sheets 3 correspond to the magnetic coils 11; the metal sheets 3 are arranged on a virtual line along the axial direction of the catheter 1, the virtual line is parallel to the conductive line tube 4, and the virtual line and the conductive line tube 4 are respectively arranged on two lines intersecting with the tube walls at two sides along a virtual plane of the central axis of the catheter 1; a tube wall made of flexible materials for attracting the metal sheet 3 to cause the inner diameter deformation of the catheter 1 after the magnetic coil 11 is electrified is arranged along the two sides of the virtual line;
as shown in fig. 2, after the magnetic coil 11 is electrified, the magnetic coil 11 and the metal sheet 3 are attracted to each other, and the tube wall at the periphery of the metal sheet 3 collapses and deforms to shrink towards the center of the catheter, so that the inner diameter of the catheter is reduced; energizing the magnetic coil 11 causes the catheter 1 wall to collapse, changing from the previous circular cross section to a heart-like cross section, reducing the tube diameter, reducing adhesion and friction between the catheter 1 and the urethral wall 12, and providing sufficient dispersion space for lubricant/antibiotic agent/anti-inflammatory agent injected through the drug injection tube 8; is convenient for the extraction of the catheter 1, relieves the pain of patients and reduces the incidence rate of inflammation at the lesion of the urethra.
As shown in fig. 3, the catheter wall of the catheter 1 is made of at least two materials with different hardness, the hard segment 13 with harder hardness forms most of the catheter wall, the hard segment 13 forms an open ring shape from the cross section of the catheter body, the soft segment 14 is arranged at the opening, and the hard segment 13 and the soft segment 14 are combined into a whole cylinder; the soft segment 14 is provided with a plurality of metal sheets 3, and the hard segment 13 is provided with a conductive wire pipe 4.
The existing catheter wall material is mainly silica gel or latex, so that the catheter wall at the position of the metal sheet 3 is better collapsed, and the catheter wall near the position of the metal sheet 3 along the axial direction of the catheter is thinned during manufacturing, so that the traction deformation is facilitated.
The catheter 1 enters the urethra and the catheter body of the catheter 1 has certain hardness, and the hard section 13 provides the support; the soft section 14 enables the cross section of the catheter 1 to be circular when the catheter 1 is full, and when the magnetic coil 11 is electrified, the soft section 14 is close to the central axis of the catheter 1, so that the wall of the tube formed by the soft section 14 is collapsed and becomes a heart-shaped cross section, and the diameter of the catheter 1 is reduced.
As shown in fig. 1, a button cell 5 is fixed on the inner wall of the catheter 1, and the button cell 5 is connected with a magnetic coil 11 and a switch 6 through wires to form a closed circuit. The switch 6 is fixed on the outer wall of the catheter 1 and is used for controlling the power on and power off of the magnetic coil 11.
The balloon 2 is attached to the outer side of the wall of the inner section of the cavity of the catheter 1, and a water injection port 7 is arranged at one end of the catheter 1 close to an operator; saline is injected into the balloon 2 by a water injection port 7 by using a syringe, so that the balloon is inflated (as shown in fig. 1); when the catheter 1 needs to be taken out, firstly, water in the balloon 2 is sucked from the water injection port 7, so that the balloon 2 is contracted, meanwhile, the magnetic coil 11 is electrified, and the metal sheet 3 is attracted, so that the diameter of the catheter 1 is contracted, and the balloon 2 is further contracted.
The outer wall of the catheter 1 is provided with a medicine injection tube 8; the drug injection tube 8 can be used for inputting lubricant/antibiotic medicament/anti-inflammatory medicament into the urethra along the axial direction of the catheter, and after the catheter is contracted, the materials have larger dispersion space; the catheter 1 is conveniently pulled out, the pain of a patient is relieved, and the incidence rate of inflammation at the lesion is reduced.
The catheter 1 is provided with a conical urine bag connecting port 10 near one end of an operator, as shown in fig. 4 and 5, so as to be convenient for plugging various types of urine bags 9, and the inner wall of the urine bag connecting port 10 is provided with threads so as to increase friction force between the urine bag connecting port 10 and the urine bag 9.
In another embodiment, the virtual line formed by the plurality of metal sheets 3 is replaced by a metal line, i.e. the metal line is arranged on the wall of the catheter 1; the metal wire is parallel to the conductive wire tube 4, and the metal wire and the conductive wire tube 4 are respectively arranged on two lines intersecting with the tube walls at two sides along a virtual plane of the central axis of the catheter 1; the tube walls (namely, soft sections 14) made of flexible materials are arranged along the two sides of the metal wire, and the magnetic coil 11 attracts the metal wire after being electrified to drive the tube walls on the two sides of the metal wire to deform, so that the inner diameter of the catheter 1 is deformed.
The utility model is used as follows:
when the catheter 1 is inserted, the catheter is similar to other catheters;
when the catheter is pulled out, the magnetic coil 11 is electrified, the diameter of the catheter 1 is thinned, the balloon 2 is gathered inwards, the saline water is treated in the balloon 2, the lubricant/antibiotic agent/anti-inflammatory agent is injected, and the catheter 1 is pulled out, so that the operation is simple.
While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. An inner diameter adjustable catheter, one end of the catheter far away from an operator is provided with a saccule, which is characterized in that the inner side of the catheter wall is provided with a conductive wire tube along the axial direction of the catheter, and the conductive wire tube is internally provided with a plurality of magnetic coils distributed along the conductive wire; the inner wall of the catheter in the axial direction is provided with a metal sheet or a metal wire.
2. The catheter with adjustable inner diameter according to claim 1, wherein a plurality of metal sheets are arranged on the catheter wall of the catheter, the metal sheets are arranged on a virtual line along the axial direction of the catheter, the virtual line is parallel to the conductive wire tube, and the virtual line and the conductive wire tube are respectively arranged on two lines intersecting the catheter walls at two sides along a virtual plane of the central axis of the catheter; and a tube wall made of flexible materials for attracting the metal sheet to cause the inner diameter deformation of the catheter after the magnetic coil is electrified is arranged along the two sides of the virtual line.
3. The catheter with adjustable inner diameter according to claim 1, wherein the catheter wall is provided with a metal wire, the metal wire is parallel to the conductive wire tube, and the metal wire and the conductive wire tube are respectively arranged on two lines intersecting with the two side catheter walls along a virtual plane of the catheter central axis; and a tube wall made of flexible materials for attracting the metal wire to cause the inner diameter of the catheter to deform after the magnetic coil is electrified is arranged along two sides of the metal wire.
4. An inner diameter adjustable urinary catheter as claimed in claim 1, wherein the catheter has a drug injection tube on its outer wall.
5. The catheter with adjustable inner diameter according to claim 1, wherein the end of the catheter close to the operator is provided with a conical urine bag connection port, and the inner wall of the urine bag connection port is provided with threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320006936.XU CN219462059U (en) | 2023-01-03 | 2023-01-03 | Inner diameter adjustable catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320006936.XU CN219462059U (en) | 2023-01-03 | 2023-01-03 | Inner diameter adjustable catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219462059U true CN219462059U (en) | 2023-08-04 |
Family
ID=87440603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320006936.XU Active CN219462059U (en) | 2023-01-03 | 2023-01-03 | Inner diameter adjustable catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219462059U (en) |
-
2023
- 2023-01-03 CN CN202320006936.XU patent/CN219462059U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |