CN221266267U - Reducing ureter guiding sheath - Google Patents
Reducing ureter guiding sheath Download PDFInfo
- Publication number
- CN221266267U CN221266267U CN202420187155.XU CN202420187155U CN221266267U CN 221266267 U CN221266267 U CN 221266267U CN 202420187155 U CN202420187155 U CN 202420187155U CN 221266267 U CN221266267 U CN 221266267U
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- CN
- China
- Prior art keywords
- reducing
- handle
- joint
- cavity
- sheath
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- 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.)
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- 210000000626 ureter Anatomy 0.000 title claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 239000011527 polyurethane coating Substances 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 210000001124 body fluid Anatomy 0.000 description 5
- 239000010839 body fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229940045860 white wax Drugs 0.000 description 1
Abstract
The utility model relates to the technical field of medical instruments, in particular to a reducing ureter guiding sheath, which comprises a guiding sheath tube, wherein a plurality of sheath tube cavities are formed in the guiding sheath tube, one end of the guiding sheath tube is connected with a handle connector through a reducing connector, a reducing cavity matched with the sheath tube cavities is formed in the reducing connector, a handle cavity matched with the reducing cavity is formed in the handle connector, a limiting assembly is arranged among a plurality of handle cavities far away from one end of the reducing connector, the limiting assembly comprises connecting plates connected with the handle connector, U-shaped plates with the same number as the handle cavities are arranged on the connecting plates, and memory sponge which is mutually abutted is arranged between two inner walls of the U-shaped plates.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a reducing ureter guiding sheath.
Background
In daily life, many people suffer from kidney stones or ureteral stones, and when detection and treatment are performed, staff needs to establish a channel in a patient, and assist an endoscope and other instruments to enter the urinary tract, so that an instrument capable of establishing the channel is needed.
Most of the existing ureter guiding sheaths have only one channel, and the specific working process is as follows: after the guide wire reaches the lesion position, the ureteral guide sheath reaches the lesion position along the guide wire by utilizing the channel, and finally the ureteral guide sheath is withdrawn and inserted into an endoscope for operation.
The existing part ureter guiding sheath is internally provided with a plurality of channels, each channel can be used for passing through different instruments and equipment or pipelines, but in actual use, as the main doctor cannot control the equipment or pipelines in the plurality of channels at the same time, the surface of the equipment or pipelines is provided with a hydrophilic lubricating coating, the equipment or pipelines and the ureter guiding sheath are lubricated relatively, and the equipment or pipelines can slide relatively in the ureter guiding sheath or slide from the ureter guiding sheath, so that the operation process is influenced.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a reducing ureter guiding sheath, which is characterized in that a guiding sheath pipe and a handle joint are connected through a reducing joint, a communicating cavity is arranged in the guiding sheath pipe, a device pipeline to be used can be quickly inserted into the guiding sheath pipe through the handle cavity, a limiting component is arranged at a port of the handle cavity, so that a plurality of device pipelines can be operated, and the plurality of pipelines are prevented from sliding or separating from the inside of the device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a reducing ureter guiding sheath, includes the guiding sheath pipe, many sheath lumen ways have been seted up in the guiding sheath pipe, the one end of guiding sheath pipe is connected with the handle through the reducing joint and connects, the inside reducing cavity way that is provided with sheath lumen way adaptation that is provided with of reducing joint, the handle connects inside to be provided with the handle cavity way of reducing cavity way adaptation, be provided with spacing subassembly between the many handle cavity ways of reducing joint one end is kept away from to the handle joint, spacing subassembly includes the connecting plate of being connected with the handle joint, install the U template the same with handle cavity way quantity on the connecting plate, install the memory sponge of mutual butt between two inner walls of U template.
Preferably, the connecting plate is connected with the handle joint through a rotating shaft.
Preferably, the surface of the memory sponge is coated with a high-friction coating, and the high-friction coating is a polyurethane coating.
Preferably, the distance between the inner walls of the U-shaped plate is larger than the diameter of the sheath lumen, a memory sponge is arranged between the two inner walls of the U-shaped plate, and a chamfer is arranged at the opening of the U-shaped plate, which is positioned by the memory sponge.
Preferably, the outer surface of the guiding sheath tube is provided with scale marks, the surface of the guiding sheath tube is provided with a hydrophilic lubricating coating, and the inner wall of the guiding sheath tube is provided with a polytetrafluoroethylene lining layer.
Preferably, one end of the guiding sheath tube, which is far away from the reducer union, is provided with a chamfer, and the outer surface of the handle union is provided with anti-slip lines.
Preferably, the diameter of the handle cavity is larger than that of the sheath cavity, the reducing joint is a trapezoid cylinder, the diameter of the reducing cavity at the smaller end of the reducing joint is matched with the sheath cavity, and the diameter of the reducing cavity at the larger end of the reducing joint is matched with the handle cavity.
Compared with the prior art, the utility model has the beneficial effects that:
1. the device is simple in structure, the memory sponge which is in butt joint with each other is arranged between the inner walls of the U-shaped plates, equipment pipelines which are not needed to be operated temporarily can be rapidly extruded into the space between the two memory sponges to be limited and fixed through the chamfer angles on the memory sponges, and when moving operation is needed, the equipment pipelines can be rapidly taken out from the space between the memory sponges to be moved for operation, so that the problem that the equipment pipelines slide or fall off from the device to influence the operation process due to the fact that the sliding property between the equipment pipelines and the device is too high is avoided.
2. The polyurethane coating is laid on the surface of the memory sponge of the device, so that the friction force of the memory sponge to all inserted pipelines in an operation can be greatly improved, the pipeline is prevented from sliding in the device or a human body, the operation process is influenced, or the human body is injured.
3. The inner wall of the guiding sheath tube in the device is provided with the polytetrafluoroethylene lining layer, so that the device is easy to clean and not easy to erode by body fluid of a human body, and the service life of the guiding sheath tube is prolonged.
4. The connecting plate in this device is connected through axis of rotation and handle joint, in order to avoid spacing subassembly to shelter from the port of handle chamber way, the connecting plate can rotate on the handle street, rotates the U template on the spacing subassembly to a plurality of adjacent handle chamber way spaced positions, the entering space in increase handle chamber way, when needs are fixed, can rotate out with the U template that corresponds in the handle chamber way on the spacing subassembly, carries out spacing work to the male equipment pipeline, improves the convenience of operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the whole structure of the present utility model;
FIG. 3 is a schematic view of the structure of the guiding sheath;
FIG. 4 is a schematic view of the structure of the handle joint;
FIG. 5 is a schematic view of the structure of a reducer union;
Fig. 6 is an enlarged view of a partial structure of fig. 4.
In the figure: 1. an introducer sheath; 2. a reducing joint; 3. a handle joint; 4. a sheath lumen; 5. a scale; 6. anti-skid lines; 7. a limit component; 8. a U-shaped plate; 9. a memory sponge; 10. a rotating shaft; 11. reducing the cavity channel; 12. a handle lumen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The utility model provides a reducing ureter guiding sheath, the structure is as shown in fig. 1-6, including guiding sheath pipe 1, offered many sheath lumen 4 in the guiding sheath pipe 1, the one end of guiding sheath pipe 1 is connected with handle joint 3 through reducing joint 2, the inside reducing cavity 11 that is provided with sheath lumen 4 adaptation that is connected with of reducing joint 2, handle joint 3 inside is provided with the handle cavity 12 with reducing cavity 11 adaptation, be provided with spacing subassembly 7 between the many handle cavity 12 that reducing joint 2 one end was kept away from to handle joint 3, spacing subassembly 7 includes the connecting plate that is connected with handle joint 3, install the U template 8 the same with handle cavity 12 quantity on the connecting plate, install the memory sponge 9 of mutual butt between two inner walls of U template 8.
After the endoscope, the saline injection tube, the guide wire and other devices needed in the operation are inserted into the sheath lumen 4 through the handle lumen 12, the pipelines of all the inserted devices are fixed inside the device through the limiting component 7, all the pipelines inserted into the device are prevented from falling off, the guiding sheath 1 is placed into the ureter through the handle joint 3 of the hand-held handle of the main doctor, then the main doctor can easily take out the pipelines needed to be adjusted from the position between the U-shaped plates 8 of the limiting component 7 according to the operation needs, the pipelines are placed at the needed positions, the adjusted pipelines are clamped between the memory sponges 9 between the U-shaped plates 8, and the memory sponges 9 can provide a certain support when the pipelines are clamped between the two memory sponges 9 due to the mutual butt joint, so that the pipelines at the fixed positions are prevented from sliding, the main doctor is prevented from being distracted, the labor intensity of the main doctor is reduced, and the operation efficiency is improved.
The surface of the memory sponge 9 is coated with a high-friction coating, and the high-friction coating is a polyurethane coating.
Because insert the inside endoscope pipeline of this device, saline pipeline etc. can increase its slidability when contacting body fluid or salt solution, and memory sponge 9 also can reduce friction when contacting salt solution or body fluid, avoid memory sponge 9 can't carry out effectual spacing to the pipeline of inserting, so apply the polyurethane coating at memory sponge 9's surface, can improve memory sponge 9 greatly and insert the frictional force of pipeline to all in the operation, avoid the pipeline to produce the slip in this device inside or human body, influence the operation progress, perhaps cause the injury to the human body.
The distance between the inner walls of the U-shaped plate 8 is greater than the diameter of the sheath lumen 4, a memory sponge 9 is arranged between the two inner walls of the U-shaped plate 8, and a chamfer is arranged at the opening of the U-shaped plate 8, where the memory sponge 9 is located.
The distance between the inner walls of the U-shaped plates 8 is larger than the diameter of the sheath lumen channel 4, equipment pipelines inserted into the sheath lumen channel 4 can be clamped effectively, the memory sponge 9 between the U-shaped plates 8 can deform when being subjected to external force due to the butt joint, and the memory sponge 9 can reset when the external force is not applied, so that when the equipment pipelines entering a human body are clamped between the memory sponge 9, certain extrusion force can be provided through the memory sponge 9, the function of supporting and limiting can be achieved, and the equipment pipelines are prevented from sliding in the device.
The chamfer on the memory sponge 9 can be convenient for equipment pipeline insert between two memory sponge 9 fast, and the practicality is strong.
The outer surface of the guiding sheath tube 1 is provided with scale 5 lines, the surface of the guiding sheath tube 1 is provided with a hydrophilic lubricating coating, and the inner wall of the guiding sheath tube 1 is provided with a polytetrafluoroethylene lining layer.
The surface of the guiding sheath tube 1 is provided with a hydrophilic lubricating coating, so that the surface lubrication can be greatly increased when body fluid or saline is contacted, and the guiding sheath tube is convenient to enter and exit the human body pipeline.
Polytetrafluoroethylene is a high molecular polymer prepared by polymerizing tetrafluoroethylene as a monomer; white wax, semitransparent, heat-resistant and cold-resistant, and can be used for a long time at-180 to 260 ℃; the material has the characteristics of acid resistance, alkali resistance and resistance to various organic solvents, and is almost insoluble in all solvents; meanwhile, polytetrafluoroethylene has the characteristic of high temperature resistance, and has extremely low friction coefficient, so that the polytetrafluoroethylene can be used for lubrication and also becomes an ideal paint for easily cleaning the inner layer of the water pipe; therefore, the polytetrafluoroethylene lining layer is arranged, so that the cleaning is easy, the cleaning is not easy to erode by body fluid of a human body, and the service life of the guiding sheath tube 1 is prolonged.
The outer wall of the guiding sheath tube 1 is provided with scale 5 lines, so that the length of the guiding sheath inserted into a human body can be conveniently checked to judge whether the distal end of the guiding sheath reaches a specified position.
The guiding sheath tube 1 is provided with the chamfer in the one end that keeps away from the reducing joint 2, the surface of handle joint 3 is provided with anti-skidding line 6.
When the medical device is placed into a patient, the chamfer angle arranged at one end of the guiding sheath tube 1 is inserted, the trafficability of the medical device can be greatly improved, the damage to the patient caused by the end part of the guiding sheath tube 1 is reduced, the pain of the patient is greatly reduced, the friction force can be increased due to the anti-slip lines 6 on the surface of the handle joint 3, and the medical device is convenient for a doctor to handle the handle joint 3 for operation and treatment.
The diameter of the handle cavity channel 12 is larger than that of the sheath cavity channel 4, the reducer union 2 is a trapezoid cylinder, the diameter of the reducer cavity channel 11 at the smaller end of the reducer union 2 is matched with the sheath cavity channel 4, and the diameter of the reducer cavity channel 11 at the larger end of the reducer union 2 is matched with the handle cavity channel 12.
The diameter of the handle cavity 12 on the handle joint 3 is larger, equipment pipelines required by the therapy are convenient for the main doctor to insert quickly, and the corresponding equipment pipelines can be guided quickly to enter the guide sheath 1 through the reducer joint 2, so that the convenience of the therapy process is greatly improved.
Example two
On the basis of the first embodiment, the connecting plate is connected with the handle joint 3 through a rotating shaft 10. In order to avoid spacing subassembly 7 to shelter from the port of handle chamber way 12, the connecting plate can rotate on the handle street, rotates the U template 8 on the spacing subassembly 7 to a plurality of adjacent handle chamber way 12 spaced positions, and the entering space of increase handle chamber way 12 when needs are fixed, can rotate out with the U template 8 that corresponds of handle chamber way 12 on the spacing subassembly 7, carries out spacing work to the equipment pipeline of male, improves the convenience of operation.
The present utility model is not limited to the above-mentioned embodiments, and any changes or modifications within the scope of the present utility model will be apparent to those skilled in the art. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a reducing ureter guiding sheath, includes guiding sheath pipe (1), its characterized in that, offered many sheath lumen ways (4) in guiding sheath pipe (1), the one end of guiding sheath pipe (1) is connected with handle joint (3) through reducing joint (2), reducing joint (2) inside be provided with the reducing cavity way (11) of sheath lumen way (4) adaptation, handle joint (3) inside be provided with handle cavity way (12) with reducing cavity way (11) adaptation, be provided with spacing subassembly (7) between handle joint (3) keep away from many handle cavity ways (12) of reducing joint (2) one end, spacing subassembly (7) include the connecting plate that are connected with handle joint (3), install on the connecting plate with handle cavity way (12) U template (8) the same quantity, install memory sponge (9) of mutual butt between two inner walls of U template (8).
2. The variable-diameter ureteral introducer sheath according to claim 1, characterized in that the connection plate is connected to the handle joint (3) by means of a rotation shaft (10).
3. The reducing ureteral introducer sheath according to claim 1, characterized in that the surface of the memory sponge (9) is coated with a high friction coating, which is a polyurethane coating.
4. The reducing ureter guiding sheath according to claim 1, characterized in that the distance between the inner walls of the U-shaped plate (8) is larger than the diameter of the sheath lumen (4), a memory sponge (9) is installed between the two inner walls of the U-shaped plate (8), and a chamfer is arranged at the opening of the U-shaped plate (8) of the memory sponge (9).
5. The variable-diameter ureteral guide sheath according to claim 1, characterized in that the outer surface of the guide sheath tube (1) is provided with graduation (5) lines, the surface of the guide sheath tube (1) is provided with a hydrophilic lubricating coating, and the inner wall of the guide sheath tube (1) is provided with a polytetrafluoroethylene lining layer.
6. The reducing ureter guiding sheath according to claim 1, characterized in that one end of the guiding sheath tube (1) far away from the reducing joint (2) is provided with a chamfer, and the outer surface of the handle joint (3) is provided with anti-skid lines (6).
7. The reducing ureter guiding sheath according to claim 1, characterized in that the diameter of the handle cavity (12) is larger than that of the sheath cavity (4), the reducing joint (2) is a trapezoid cylinder, the diameter of the reducing cavity (11) at the smaller end of the reducing joint (2) is matched with the sheath cavity (4), and the diameter of the reducing cavity (11) at the larger end of the reducing joint (2) is matched with the handle cavity (12).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221266267U true CN221266267U (en) | 2024-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |