CN111544082A - Flexible mirror sheath of ureter of integral type - Google Patents
Flexible mirror sheath of ureter of integral type Download PDFInfo
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- CN111544082A CN111544082A CN202010642396.5A CN202010642396A CN111544082A CN 111544082 A CN111544082 A CN 111544082A CN 202010642396 A CN202010642396 A CN 202010642396A CN 111544082 A CN111544082 A CN 111544082A
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- suction
- pipeline
- negative pressure
- port
- water inlet
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- 210000000626 ureter Anatomy 0.000 title description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 231
- 230000010412 perfusion Effects 0.000 claims abstract description 58
- 238000005192 partition Methods 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 230000002262 irrigation Effects 0.000 claims description 11
- 238000003973 irrigation Methods 0.000 claims description 11
- 239000003621 irrigation water Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 description 37
- 239000007788 liquid Substances 0.000 description 14
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 208000000913 Kidney Calculi Diseases 0.000 description 5
- 206010029148 Nephrolithiasis Diseases 0.000 description 5
- 210000003734 kidney Anatomy 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- LEVWYRKDKASIDU-QWWZWVQMSA-N D-cystine Chemical compound OC(=O)[C@H](N)CSSC[C@@H](N)C(O)=O LEVWYRKDKASIDU-QWWZWVQMSA-N 0.000 description 1
- 229920002683 Glycosaminoglycan Polymers 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960005069 calcium Drugs 0.000 description 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
- 229960003067 cystine Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009212 extracorporeal shock wave lithotripsy Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229940116315 oxalic acid Drugs 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011277 treatment modality Methods 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
- A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The invention discloses an integrated ureteroscope sheath, which comprises a sheath tube, wherein the sheath tube is a hollow pipeline, a partition plate is arranged in the sheath tube to divide the hollow pipeline into a perfusion water inlet pipeline and a suction water outlet pipeline, and the perfusion water inlet pipeline and the suction water outlet pipeline are not communicated with each other; the baffle is arranged along the axial direction of the sheath pipe, wherein the perfusion water inlet pipeline is provided with a perfusion water inlet at the non-working end, and the suction water outlet pipeline is provided with a negative pressure suction port at the non-working end.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an integrated ureteroscope sheath.
Background
Renal calculus (renal calculi) is caused by abnormal accumulation of some crystalline substances (such as calcium, oxalic acid, uric acid, cystine and the like) and organic matrixes (such as matrix A, acidic mucopolysaccharide and the like) in the kidney, is a common disease and frequently encountered disease of the urinary system, and 90 percent of the renal calculus contains calcium, wherein calcium oxalate calculus is the most common.
Currently, there are several treatment modalities for kidney stones: physically removing stones from a large amount of drinking water; extracorporeal shock wave lithotripsy; traditional open surgical treatment; taking out stone through a percutaneous nephroscope; and (5) treating by minimally invasive surgery.
The inventors found that the suction effect of the conventional soft sheath for suctioning stone debris after renal calculus (2cm or more) lithotripsy is not good because: the cross section of the passage of the negative pressure suction pipeline can not meet the requirement, the broken stone is easy to block when being sucked out by the negative pressure suction pipeline, the time spent in sucking the broken stone is long, the broken stone and blood clots can not be effectively sucked out, a plurality of operations are needed, and the physical burden and the economic burden of a patient are increased undoubtedly. In addition, the existing soft endoscope sheath needs to be internally provided with the suction assembly when the broken stone is sucked, so that the timeliness cannot be met, and the operation time is delayed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an integrated ureteral soft endoscope sheath; this soft mirror sheath fill inlet channel and attract outlet conduit to form integratively, when inhaling the stone, can more effectively attract the rubble, and need not the installation and dismantle and attract the subassembly, directly pour by filling the inlet channel, carry out the negative pressure by attracting outlet conduit and attract, the operation is more convenient, saves the operation time.
The first invention of the present disclosure is to provide an integrated ureteral soft endoscope sheath, in order to achieve the above purpose, the present disclosure adopts the following technical solutions:
an integrated ureteroscope sheath comprises a sheath tube, wherein the sheath tube is a hollow pipeline, a partition plate is arranged in the sheath tube to divide the hollow pipeline into a perfusion water inlet pipeline and a suction water outlet pipeline, and the perfusion water inlet pipeline and the suction water outlet pipeline are not communicated with each other; the baffle sets up along the sheath pipe axial, wherein pours the inlet channel and sets up in the non-working end and pours the water inlet, pours the water inlet and fills the washer pump intercommunication, attracts the outlet channel and sets up the negative pressure suction port in the non-working end, and the negative pressure suction port is communicated with the negative pressure suction pump.
As a further technical scheme, the cross-sectional area of the water suction and outlet pipeline is larger than that of the water filling and inlet pipeline.
As a further technical scheme, two ends of the clapboard are fixedly connected with the inner side wall of the sheath tube.
In a preferred technical scheme, the sheath tube and the partition plate are of an integrated structure.
As a further technical scheme, the cross section of the separator is in a zigzag shape or a curved shape or a linear shape.
In the preferred technical scheme, the cross section of the partition plate is arc-shaped, and the cross section of the perfusion water inlet pipeline is crescent-shaped.
As a further technical scheme, a first side hole is arranged at the side part of the working end of the suction water outlet pipeline, and a set distance is formed between the first side hole and the perfusion water inlet pipeline; and a second side hole is formed in the side part of the working end of the perfusion water inlet pipeline, and a set distance is formed between the second side hole and the suction water outlet pipeline.
As a further technical scheme, a negative pressure adjusting port is arranged at the side part of the suction water outlet pipeline, which is adjacent to the non-working end.
As a further technical scheme, the non-working end of the water suction and discharge pipeline is provided with a negative pressure adjusting port, and the negative pressure adjusting port and the negative pressure suction port are arranged at the end part of the non-working end of the water suction and discharge pipeline in parallel.
As a further technical scheme, the non-working end of the water suction and outlet pipeline is connected with an external sleeve, and the external sleeve is a multi-way pipeline.
As a further technical scheme, a wide-diameter part is arranged at the non-working end of the suction water outlet pipeline, and the inner diameter of the wide-diameter part is larger than that of the suction water outlet pipeline; preferably, a negative pressure regulating port is arranged at the side part of the wide-diameter part; preferably, the end of the wide-diameter part is provided with a negative pressure adjusting port, and the negative pressure adjusting port and the negative pressure suction port are arranged at the end of the wide-diameter part in parallel; preferably, the end part of the wide-diameter part is connected with an external sleeve, and the external sleeve is a multi-way pipeline.
The second purpose of the disclosure is to provide an integrated ureteroscope sheath, which comprises a filling water inlet pipeline and a suction water outlet pipeline which are not communicated with each other, wherein the filling water inlet pipeline and the suction water outlet pipeline are both hollow pipelines, the filling water inlet pipeline and the suction water outlet pipeline are arranged in parallel and fixedly connected with each other, a filling water inlet is arranged at a non-working end of the filling water inlet pipeline, and a negative pressure suction port is arranged at a non-working end of the suction water outlet pipeline.
As a further technical scheme, the cross-sectional area of the water suction and outlet pipeline is larger than that of the water filling and inlet pipeline.
As a further technical scheme, the perfusion water inlet pipeline and the suction water outlet pipeline are of an integrated structure.
As a further technical scheme, the perfusion water inlet pipeline is arranged in or outside a tube cavity of the suction water outlet pipeline.
As a further technical scheme, the perfusion water inlet pipeline and the suction water outlet pipeline are both composed of a first pipe wall and a second pipe wall, and the first pipe wall and the second pipe wall are connected into a whole; the cross section of the first pipe wall is in a curve shape, and the cross section of the second pipe wall is in a straight line shape, a broken line shape or a curve shape; the second pipe wall of the filling water inlet pipeline is matched with the second pipe wall of the suction water outlet pipeline in shape, and the second pipe wall of the filling water inlet pipeline is attached to and fixedly connected with the second pipe wall of the suction water outlet pipeline.
As a further technical scheme, the cross sections of the second pipe walls of the filling water inlet pipeline and the suction water outlet pipeline are arc-shaped, and the cross section of the filling water inlet pipeline is crescent-shaped.
As a further technical scheme, a first side hole is arranged at the side part of the working end of the suction water outlet pipeline, and a set distance is formed between the first side hole and the perfusion water inlet pipeline; and a second side hole is formed in the side part of the working end of the perfusion water inlet pipeline, and a set distance is formed between the second side hole and the suction water outlet pipeline.
As a further technical scheme, a negative pressure adjusting port is arranged at the side part of the suction water outlet pipeline, which is adjacent to the non-working end.
As a further technical scheme, the non-working end of the water suction and discharge pipeline is provided with a negative pressure adjusting port, and the negative pressure adjusting port and the negative pressure suction port are arranged at the end part of the non-working end of the water suction and discharge pipeline in parallel.
As a further technical scheme, the non-working end of the water suction and outlet pipeline is connected with an external sleeve, and the external sleeve is a multi-way pipeline.
As a further technical scheme, a wide-diameter part is arranged at the non-working end of the suction water outlet pipeline, and the inner diameter of the wide-diameter part is larger than that of the suction water outlet pipeline; preferably, a negative pressure regulating port is arranged at the side part of the wide-diameter part; preferably, the end of the wide-diameter part is provided with a negative pressure adjusting port, and the negative pressure adjusting port and the negative pressure suction port are arranged at the end of the wide-diameter part in parallel; preferably, the end part of the wide-diameter part is connected with an external sleeve, and the external sleeve is a multi-way pipeline.
Compared with the prior art, the invention has the beneficial effects that:
the ureter soft endoscope sheath disclosed by the invention has the advantages that the filling water inlet pipeline and the suction water outlet pipeline are integrated, the end part of the suction water outlet pipeline is used for negative pressure suction, the filling water inlet pipeline is filled with flushing liquid, the suction water outlet pipeline is larger than the cross section area of the filling water inlet pipeline, the suction water outlet pipeline is used as a stone suction passage, the area of the negative pressure suction pipeline is ensured, broken stones and the like can be sucked out quickly and efficiently, the blockage of a suction pipe cannot be caused, and the clear field of vision under the endoscope is ensured.
This soft mirror sheath of ureter fills water inlet line and attracts the outlet conduit to form integratively, need not to pack again before inhaling the stone and attracts the subassembly, directly by filling the water inlet line and carrying out the lavage, by attract the outlet conduit inhale the stone can, the operation is more convenient, has saved the operation time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of a flexible ureteroscope sheath disclosed in example 1;
FIG. 2 is a schematic cross-sectional view of a flexible ureteroscope sheath with a curved baffle as disclosed in example 1;
FIG. 3 is a schematic cross-sectional view of a flexible ureteroscope sheath with a curved baffle as disclosed in example 1;
FIG. 4 is a schematic cross-sectional view of a flexible ureteroscope sheath with a linear baffle as disclosed in example 1;
FIG. 5 is a schematic cross-sectional view of a flexible ureteroscope sheath with a dogleg-shaped baffle as disclosed in example 1;
FIG. 6 is a schematic view of another arrangement of the flexible ureteroscope sheath with the arc-shaped partition disclosed in example 1;
FIG. 7 is a schematic view of a negative pressure regulating port provided at a side of the water suction/discharge line disclosed in embodiment 1;
FIG. 8 is a schematic sectional view of the water suction/discharge line disclosed in example 1, with a negative pressure regulating port at the end thereof;
fig. 9 is a schematic view of the sheath and the external sleeve disclosed in embodiment 1;
fig. 10 is a schematic view of a sheath provided with a wide-diameter portion disclosed in embodiment 1;
FIG. 11 is a schematic view of the embodiment 1, wherein a negative pressure regulating port is provided in the wide diameter portion;
fig. 12 is a schematic view of the sheath with the wide-diameter portion fitted with the external sleeve disclosed in embodiment 1;
fig. 13 is a schematic view of a ureteroscope sheath as disclosed in example 2;
fig. 14 is a schematic cross-sectional view of the irrigation water inlet pipeline and the suction water outlet pipeline of the flexible ureteroscope sheath disclosed in example 2, which are fitted in an outer fitting manner;
FIG. 15 is a schematic cross-sectional view of another external fitting manner of the irrigation inlet line and the aspiration outlet line of the flexible ureteroscope sheath disclosed in example 2;
fig. 16 is a schematic cross-sectional view of the irrigation water inlet pipeline and the suction water outlet pipeline of the ureter soft endoscope sheath disclosed in example 2, which are fitted together in a fitting manner;
FIG. 17 is a schematic cross-sectional view of another fit within the irrigation inlet line and the aspiration outlet line of the flexible ureteroscope sheath disclosed in example 2;
FIG. 18 is a schematic cross-sectional view of still another fit of the irrigation inlet line and the aspiration outlet line of the flexible ureteroscope sheath disclosed in example 2 in an internally fitting manner;
FIG. 19 is a schematic view of a negative pressure regulating port provided at a side portion of the water suction/discharge line disclosed in example 2;
FIG. 20 is a schematic sectional view of the water suction/discharge line disclosed in example 2, with a negative pressure regulating port at the end thereof;
fig. 21 is a schematic view of the combination of the water suction/discharge pipeline and the external connection kit disclosed in embodiment 2;
FIG. 22 is a schematic view of the water suction/discharge pipe according to embodiment 2 with a wide diameter portion;
FIG. 23 is a schematic view of the embodiment 2, wherein a negative pressure adjusting port is provided in the wide diameter portion;
fig. 24 is a schematic view of the water suction/discharge pipe disclosed in embodiment 2 with a wide diameter portion fitted with an external sleeve;
in the figure, 1 sheath pipe, 2 partition board, 3 perfusion water inlet pipeline, 4 suction water outlet pipeline, 5 perfusion water inlet, 6 negative pressure suction port, 7 perfusion pipeline, 8 connector, 9 side hole, 10 perfusion water inlet pipeline, 11 suction water outlet pipeline, 12 perfusion water inlet, 13 negative pressure suction port, 14 first pipe wall, 15 second pipe wall, 16 side hole, 17 negative pressure regulation port, 18 wide-diameter part, and 19 external sleeve.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up", "down", "left" and "right" in this disclosure, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate description of the disclosure and simplify description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the disclosure.
As the background art shows, the prior art has the disadvantages that in order to solve the technical problems, the application provides an integrated ureteral soft endoscope sheath.
Example 1:
the soft lens sheath disclosed in the present embodiment will be further described with reference to fig. 1 to 6;
as shown in fig. 1, an integrated ureteroscope sheath comprises a sheath tube 1, wherein the sheath tube 1 is a hollow pipeline, a partition plate 2 is arranged in the sheath tube 1 to divide the hollow pipeline into a perfusion water inlet pipeline 3 and a suction water outlet pipeline 4, and the perfusion water inlet pipeline 3 and the suction water outlet pipeline 4 are not communicated with each other; two ends of the clapboard 2 are fixedly connected with the inner side wall of the sheath tube 1; the partition plate 2 is axially arranged along the sheath tube 1, wherein the non-working end of the perfusion water inlet pipeline 3 is provided with a perfusion water inlet 5 which is communicated with a perfusion washing pump, the non-working end of the suction water outlet pipeline 4 is provided with a negative pressure suction port 6 which is communicated with a negative pressure suction pump; the cross-sectional area of the water sucking and discharging pipeline is larger than that of the water filling and feeding pipeline.
This openly adopts the form of inhaling while dashing to carry out the lavage attraction, and the suction line is difficult to take place to block up, and the field of vision is unclear or can effectively attract the clearance to go out the intrarenal rubble when carrying out the operation to great calculus in the art, can guarantee the continuity of operation, can once only do the operation, and need not to move the sword once more.
During the use, by filling the intake pipe and inwards filling washing liquid, carry out the negative pressure by attracting outlet pipe way and attract, the washing liquid gets into by filling the intake pipe way through filling the flush pump, flows by attracting outlet pipe way, and sheath pipe and baffle form and continuously fill by filling the intake pipe way and continuously the lavage system that lasts the negative pressure by attracting outlet pipe way, accomplish foreign matter such as calculus, clot in the art and take out, make liquid etc. circulate, and high efficiency attracts rubble etc. and goes out, guarantees that the field of vision under the mirror is clear.
The working end of the sheath tube is the end which extends into the kidney for operation, the other end is a non-working end and is also a handheld end, and the definitions of the perfusion water inlet pipeline, the suction water outlet pipeline and the working end of the clapboard are the same as those of the working end of the sheath tube.
Fill inlet opening 5 and the infusion flush pump accessible of inlet channel 3 and fill 7 intercommunications of pipeline, the mode of setting up of infusion pipeline 7 can be: the filling pipeline 7 is communicated with the filling water inlet 5, and the filling pipeline is hermetically connected with the outer side wall of the sheath pipe and the partition plate, so that the filling pipeline is communicated with the filling water inlet pipeline.
The washing liquid flows out from the working end of the perfusion water inlet pipeline and then flows into the kidney, and the liquid flows out from the suction water outlet pipeline when the negative pressure suction works, so that the flow path of the washing liquid is further prolonged, the effective washing area of the washing liquid is increased, and the success rate of taking out foreign matters such as calculi and blood clots in the operation is improved.
In a preferred embodiment, as shown in fig. 7, a negative pressure regulating port 17 is provided at the side of the water suction outlet pipe 4, and the negative pressure regulating port 17 is provided at the side of the water suction outlet pipe 4 adjacent to the non-working end. An adjusting knob can be arranged at the negative pressure adjusting opening, so that the negative pressure is controlled. Moreover, in the process of sucking the crushed stone under negative pressure, if the crushed stone is too large, the crushed stone can be blocked at the port of the working end of the water sucking and discharging pipeline 4, so that the effective sucking of the crushed stone is influenced, and the negative pressure regulating port is blocked when the negative pressure sucking is needed by arranging the negative pressure regulating port; when the port of the working end of the water suction and outlet pipeline is blocked by the crushed stone, the blocking of the negative pressure adjusting port is cancelled or the positive pressure is introduced from the negative pressure adjusting port inwards, so that the negative pressure in the water suction and outlet pipeline 4 is adjusted, the crushed stone can be separated from the port of the working end of the water suction and outlet pipeline 4, the smoothness of the water suction and outlet pipeline is recovered, and the crushed stone suction is continued.
In the scheme of arranging the negative pressure adjusting port 17, the negative pressure adjusting port 17 and the negative pressure suction port 6 can be used interchangeably, namely the negative pressure adjusting port 17 can be used as a negative pressure suction port, the negative pressure suction port can be used as a negative pressure adjusting port, and even if the negative pressure adjusting port is used, the negative pressure adjusting port can be connected with a negative pressure suction pump for negative pressure suction, and the negative pressure suction port can be used for negative pressure adjustment of a suction water pipeline.
In another preferred embodiment, as shown in FIG. 8, the non-working end of the water suction/discharge pipe 4 is provided with a negative pressure regulating port 17, and the negative pressure regulating port 17 and the negative pressure suction port 6 are arranged in parallel at the end of the non-working end of the water suction/discharge pipe; as mentioned above, through the arrangement of the negative pressure adjusting port, when the port of the working end of the water suction and outlet pipeline is blocked by the crushed stone, the crushed stone is separated from the port of the working end of the water suction and outlet pipeline, so that the crushed stone suction is continued.
In another preferred embodiment, as shown in fig. 9, the non-working end of the sheath 1 is connected to the external sleeve 19, and the negative pressure suction port of the water suction and outlet pipeline is connected to the external sleeve during connection. The external connecting member is a multi-way pipeline, one pipe intersection of the multi-way pipeline is communicated with a negative pressure suction port of the suction water outlet pipeline, the other pipe intersection is used as the negative pressure suction port to carry out negative pressure suction, and one pipe intersection is used as a negative pressure adjusting port to carry out negative pressure adjustment; in this embodiment, the external connection kit is configured as a three-way pipeline having three pipe intersections, wherein one pipe intersection is connected to the non-working end of the sheath pipe, the other pipe intersection is used as a negative pressure suction port for negative pressure suction, and the other pipe intersection is used as a negative pressure regulation port for negative pressure regulation; the three-way pipeline and the end part of the sheath pipe can be tightly connected through threads.
In a preferred embodiment, as shown in fig. 10, the non-working end of the sheath 1 is provided with a wide part 18, specifically, the wide part is provided at the non-working end of the water suction and outlet pipeline, the wide part is in a pipeline form, and the inner diameter of the wide part is larger than that of the water suction and outlet pipeline; the wide-diameter part can be an equal-diameter pipeline (not shown in the figure) or a reducing pipeline (as shown in the figure 10), the reducing pipeline is provided with a section of equal-diameter channel section from the end part of the non-working end of the sheath pipe to the direction of the working end and then is provided with a section of channel section with gradually reduced pipe diameter, and the size of the end part of the non-working end of the sheath pipe is larger than that of the end part of the working end.
By the arrangement of the wide-diameter part, the diameter of the non-working end of the suction water outlet pipeline can be increased, so that the situation that the negative pressure suction port is blocked by the crushed stone is avoided, and the crushed stone is more conveniently sucked outwards.
When the wide-diameter part is arranged, the negative pressure suction port and the negative pressure adjusting port can be arranged at the end port of the wide-diameter part at the same time, and the arrangement form of the negative pressure suction port and the negative pressure adjusting port is the same as that shown in fig. 8, namely, the negative pressure adjusting port and the negative pressure suction port are arranged at the end part of the wide-diameter part in parallel; one of the negative pressure suction port and the negative pressure adjustment port may be provided at a side portion of the wide-diameter portion, and the other may be provided at an end portion of the wide-diameter portion, as shown in fig. 11, which is a schematic view of the negative pressure adjustment port being provided at the side portion of the wide-diameter portion.
As shown in fig. 12, when the wide diameter portion is provided, the external connection sleeve 19 may be provided at the end of the wide diameter portion, and the port of the wide diameter portion may be connected to the external connection sleeve when specifically connecting. The external connecting member is a multi-way pipeline, one pipe intersection of the multi-way pipeline is communicated with the port of the wide-diameter part, the other pipe intersection is used as a negative pressure suction port for negative pressure suction, and one pipe intersection is used as a negative pressure adjusting port for negative pressure adjustment; in this embodiment, the external connection member is a three-way pipeline having three pipe intersections, one of the pipe intersections is connected to the end of the wide-diameter portion, the other pipe intersection is used as a negative pressure suction port for negative pressure suction, and the other pipe intersection is used as a negative pressure regulation port for negative pressure regulation; the tee pipe and the end part of the wide-diameter part can be connected through threads in a fastening mode.
The length of the baffle plate 2 is less than that of the sheath pipe 1, and the working end of the baffle plate 2 is flush with that of the sheath pipe 1, as shown in fig. 1. The flow path of the irrigation liquid can be prolonged as much as possible.
The non-working end of the sheath tube 1 can be provided with a connector 8 which is connected with a negative pressure suction pump through the connector, and the connector can be provided with a gasket.
The sheath and the wall baffle may be of unitary construction. The sheath tube enters the operation from the natural pipeline of the human body to realize the non-invasive operation.
The sheath 1 may be circular in cross-section, as shown in fig. 2-5; or may be oblate, as shown in FIG. 6; the cross section of the partition board 2 can be in any shape as long as the partition board can be connected with the side wall of the sheath tube 1 to form a closed space, namely, the cross section of the partition board 2 can be in a zigzag shape as shown in fig. 5; or may be provided in a linear shape as shown in fig. 4; the partition plate 2 can also be in a curved shape, such as an arc shape, an oblate-like shape or an arc-like shape as shown in fig. 2, as a preferred scheme of the present disclosure, the cross section of the perfusion water inlet pipeline is preferably in a crescent shape as shown in fig. 3 and 6, and the cross section of the suction water outlet pipeline is preferably in an oblate shape or a circular shape; the cross section of the partition plate is set to be arc-shaped, so that the area difference between two areas of a perfusion water inlet pipeline and a suction water outlet pipeline which are separated from the sheath pipe can be ensured to be large as much as possible, and the area of a suction channel is also large as much as possible.
When the clapboard is in a zigzag shape or a curve shape, the specific shape can be set according to the requirement. The cross sections of the sheath tube and the clapboard are the sections along the radial direction of the sheath tube.
The sheath tube disclosed by the invention enters a kidney from a natural human body pipeline ureter, instruments for carrying out intrarenal calculus lithotripsy operation enter a hollow tube of the sheath tube to carry out soft lens operation, if intrarenal blood clots occur or the calculus needs to be cleaned and sucked out, the surgical instruments are withdrawn, a flushing liquid is filled inwards from a filling water inlet pipeline, and negative pressure suction is carried out outwards from a suction water outlet pipeline to form a continuous lavage system. Therefore, other operations such as tapping on the body of a patient are not needed, noninvasive surgery can be really realized, the pain of the patient is relieved, and the patient can recover in a short time.
As shown in fig. 1, a side hole 9 is formed at the side of the working end of the suction outlet pipeline 4, the side hole 9 has a set distance with the perfusion inlet pipeline 3, i.e. the side hole is not formed at the joint of the perfusion inlet pipeline and the suction outlet pipeline, and in a preferred scheme, the side hole can be formed at the side of the suction outlet pipeline away from the perfusion inlet pipeline; the side part of the water suction and outlet pipeline is provided with a side hole, and crushed stones can enter the water suction and outlet pipeline through the side hole and can be discharged.
The side part of the working end of the perfusion water inlet pipeline 3 is provided with a side hole 16, the side hole 16 and the suction water outlet pipeline 4 have a set distance, namely the side hole is not arranged at the joint of the perfusion water inlet pipeline and the suction water outlet pipeline, and the side hole can be arranged at one side of the perfusion water inlet pipeline, which is far away from the suction water outlet pipeline in the preferred scheme; the flushing liquid can flow out from the side holes 16, so that the flow path of the flushing liquid is enlarged, and the gravel is better flushed.
The sheath pipe of the scheme can be further provided with a pressure measuring channel, the pressure measuring channel can be arranged in the filling water inlet pipeline or the suction water outlet pipeline or between the filling water inlet pipeline and the suction water outlet pipeline, and the pressure measuring channel is connected with an external pressure measuring instrument to measure pressure. If pressure measurement is not needed, the pressure measurement channel can be closed, and the closing can adopt a form that the end head of the pressure measurement channel is blocked by a block body and other structures or any other forms capable of blocking the end head; when pressure measurement is needed, the plugging structure is taken out, the pressure measurement channel is kept smooth, and the plugging structure is connected with a pressure measurement instrument. Manometry is well known in the art and will not be described further herein.
Example 2:
the ureteroscope sheath in this embodiment, as shown in fig. 13, includes a perfusion water inlet pipeline 10 and a suction water outlet pipeline 11 that are not communicated with each other, where the perfusion water inlet pipeline 10 and the suction water outlet pipeline 11 are both hollow pipelines, and the perfusion water inlet pipeline 10 and the suction water outlet pipeline 11 are arranged in parallel and fixedly connected with each other, where the perfusion water inlet pipeline 10 is provided with a perfusion water inlet 12 at a non-working end, the perfusion water inlet is communicated with a perfusion flushing pump, the suction water outlet pipeline 11 is provided with a negative pressure suction port 13 at the non-working end, and the negative pressure suction port is communicated with a negative pressure suction pump. The cross-sectional area of the water suction and outlet pipeline 11 is larger than that of the water filling and inlet pipeline 10, so that the area of the water suction and outlet pipeline is ensured, and the water suction and outlet pipeline is prevented from being blocked.
In a preferred embodiment, as shown in fig. 19, a negative pressure regulating port 17 is provided at the side of the water suction outlet pipe 11, and the negative pressure regulating port 17 is provided at the side of the water suction outlet pipe 11 adjacent to the non-working end. An adjusting knob can be arranged at the negative pressure adjusting opening, so that the negative pressure is controlled. Moreover, in the process of sucking the crushed stone under negative pressure, if the crushed stone is too large, the crushed stone may be blocked at the port of the working end of the water sucking and discharging pipeline 11, so that the effective sucking of the crushed stone is influenced, and by arranging the negative pressure adjusting port, the negative pressure adjusting port is blocked when the negative pressure sucking is needed; when the port of the working end of the water suction and outlet pipeline is blocked by the crushed stone, the blocking of the negative pressure adjusting port is cancelled or the positive pressure is introduced from the negative pressure adjusting port inwards, so that the negative pressure in the water suction and outlet pipeline 11 is adjusted, the crushed stone can be separated from the port of the working end of the water suction and outlet pipeline 11, and the crushed stone suction is continued.
In the scheme of arranging the negative pressure adjusting port 17, the negative pressure adjusting port 17 and the negative pressure suction port 13 can be used interchangeably, namely the negative pressure adjusting port 17 can be used as a negative pressure suction port, the negative pressure suction port can be used as a negative pressure adjusting port, and even if the negative pressure adjusting port is used, the negative pressure adjusting port can be connected with a negative pressure suction pump for negative pressure suction, and the negative pressure suction port can be used for negative pressure adjustment of a suction water pipeline.
In another preferred embodiment, as shown in FIG. 20, the non-working end of the water suction/discharge pipe 11 is provided with a negative pressure regulating port 17, and the negative pressure regulating port 17 and the negative pressure suction port 13 are arranged in parallel at the end of the non-working end of the water suction/discharge pipe; as mentioned above, through the arrangement of the negative pressure adjusting port, when the port of the working end of the water suction and outlet pipeline is blocked by the crushed stone, the crushed stone is separated from the port of the working end of the water suction and outlet pipeline, so that the crushed stone suction is continued.
In another preferred embodiment, as shown in fig. 21, the non-working end of the suction outlet conduit 11 is connected to the external sleeve 19, and in particular, the negative pressure suction port of the suction outlet conduit is connected to the external sleeve. The external connecting member is a multi-way pipeline, one pipe intersection of the multi-way pipeline is communicated with a negative pressure suction port of the suction water outlet pipeline, the other pipe intersection is used as the negative pressure suction port to carry out negative pressure suction, and one pipe intersection is used as a negative pressure adjusting port to carry out negative pressure adjustment; in this embodiment, the external connection member is a three-way pipeline having three pipe intersections, one of the pipe intersections is connected to the non-working end of the suction water outlet pipeline, the other pipe intersection is used as a negative pressure suction port for negative pressure suction, and the other pipe intersection is used as a negative pressure regulation port for negative pressure regulation; the end part of the three-way pipeline and the end part of the water suction and outlet pipeline can be tightly connected through threads.
In a preferred embodiment, as shown in fig. 22, the non-working end of the suction outlet pipe 11 is provided with a wide part 18, the wide part is in the form of a pipe, and the inner diameter of the wide part is larger than that of the suction outlet pipe; the wide-diameter portion may be an equal-diameter pipeline (not shown in the figure) or a variable-diameter pipeline (as shown in fig. 22), the variable-diameter pipeline is provided with a section of equal-diameter channel section from the end portion of the non-working end of the suction water outlet pipeline to the direction of the working end, and then is provided with a section of channel section with gradually reduced pipe diameter, that is, the size of the end portion of the non-working end of the suction water outlet pipeline is larger than that of the end portion of the working.
By the arrangement of the wide-diameter part, the diameter of the non-working end of the suction water outlet pipeline can be increased, so that the situation that the negative pressure suction port is blocked by the crushed stone is avoided, and the crushed stone is more conveniently sucked outwards.
When the wide-diameter part is arranged, the negative pressure suction port and the negative pressure adjusting port can be arranged at the end port of the wide-diameter part at the same time, and the arrangement form is the same as that shown in fig. 20, namely, the negative pressure adjusting port and the negative pressure suction port are arranged at the end part of the wide-diameter part in parallel; one of the negative pressure suction port and the negative pressure adjustment port may be provided at a side portion of the wide diameter portion, and the other may be provided at an end portion of the wide diameter portion, as shown in fig. 23, which is a schematic view of the negative pressure adjustment port being provided at the side portion of the wide diameter portion.
As shown in fig. 24, when the wide diameter portion is provided, the external connection sleeve 19 may be provided at the end of the wide diameter portion, and the port of the wide diameter portion may be connected to the external connection sleeve when specifically connecting. The external connecting member is a multi-way pipeline, one pipe intersection of the multi-way pipeline is communicated with the port of the wide-diameter part, the other pipe intersection is used as a negative pressure suction port for negative pressure suction, and one pipe intersection is used as a negative pressure adjusting port for negative pressure adjustment; in this embodiment, the external connection member is a three-way pipeline having three pipe intersections, one of the pipe intersections is connected to the end of the wide-diameter portion, the other pipe intersection is used as a negative pressure suction port for negative pressure suction, and the other pipe intersection is used as a negative pressure regulation port for negative pressure regulation; the tee pipe and the end part of the wide-diameter part can be connected through threads in a fastening mode.
The filling water inlet pipeline 10 and the suction water outlet pipeline 11 may be integrally formed, or the sidewalls thereof may be bonded or otherwise formed into an integral structure.
The perfusion water inlet pipeline 10 can be arranged outside the lumen of the suction water outlet pipeline 11, as shown in fig. 14 and 15, which is an external fitting fixed type, the cross section of the perfusion water inlet pipeline 10 in fig. 14 and 15 is crescent, the cross section of the suction water outlet pipeline 11 in fig. 14 is oblate, and the cross section of the suction water outlet pipeline 11 in fig. 15 is circular; the perfusion water inlet pipeline 10 may also be disposed in the lumen of the suction water outlet pipeline 11, as shown in fig. 16, 17, and 18, which is an inner-fit fixed type, the cross section of the perfusion water inlet pipeline 10 in fig. 16, 17, and 18 is crescent, wherein the cross section of the suction water outlet pipeline 11 in fig. 16 is circular, the cross section of the suction water outlet pipeline 11 in fig. 17 is oblate, the pipeline between the perfusion water inlet pipeline and the suction water outlet pipeline is also oblate, the cross section of the suction water outlet pipeline 11 in fig. 18 is oblate, and the pipeline between the perfusion water inlet pipeline and the suction water outlet pipeline is circular.
The filling water inlet pipeline 10 and the suction water outlet pipeline 11 are both composed of a first pipe wall 14 and a second pipe wall 15, the first pipe wall 14 and the second pipe wall 15 of the filling water inlet pipeline 10 are connected into a whole, and the first pipe wall 14 and the second pipe wall 15 of the suction water outlet pipeline 11 are connected into a whole; the cross section of the first pipe wall 14 is curved, preferably arc-shaped, and the cross section of the second pipe wall 15 can be any shape, such as straight line or fold line or curved, preferably arc-shaped; the second pipe wall of the filling water inlet pipeline 10 is matched with the second pipe wall of the suction water outlet pipeline 11 in shape, and the second pipe wall of the filling water inlet pipeline 10 is attached and fixedly connected (can be connected through bonding) with the second pipe wall of the suction water outlet pipeline 11. The cross section of the filling water inlet pipeline 10 is preferably crescent, and the cross section of the suction water outlet pipeline 11 is preferably circular or oblate, so as to ensure the area of the suction water outlet pipeline and avoid the blockage of the suction water outlet pipeline.
In this embodiment, the shape fitting means: when the second pipe wall of the perfusion water inlet pipeline 10 is linear, the second pipe wall of the suction water outlet pipeline 11 is also linear; when the second pipe wall of the filling water inlet pipeline 10 is in a curve shape, the second pipe wall of the suction water outlet pipeline 11 is also in a curve shape; when the second pipe wall of the filling water inlet pipeline 10 is in a fold line shape, the second pipe wall of the suction water outlet pipeline 11 is also in a fold line shape, and the two can be clamped to be attached and bonded.
As shown in fig. 13, a side hole 9 is disposed at a side portion of the working end of the suction outlet pipeline 11, the side hole 9 has a set distance from the irrigation inlet pipeline 10, that is, the side hole is not disposed at a joint of the irrigation inlet pipeline and the suction outlet pipeline, and in a preferred embodiment, the side hole may be disposed at a side of the suction outlet pipeline away from the irrigation inlet pipeline; a side hole 9 is arranged at the side part of the suction water outlet pipeline, and the gravels can enter the suction water outlet pipeline through the side hole 9 and are discharged.
A side hole 16 is arranged at the side part of the working end of the perfusion water inlet pipeline 10, the side hole 16 and the suction water outlet pipeline 11 have a set distance, namely the side hole is not arranged at the joint of the perfusion water inlet pipeline and the suction water outlet pipeline, and in the preferred scheme, the side hole can be arranged at one side of the perfusion water inlet pipeline, which is far away from the suction water outlet pipeline; the flushing liquid can flow out from the side holes 16, so that the flow path of the flushing liquid is enlarged, and the gravel is better flushed.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
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 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 (14)
1. An integrated ureteroscope sheath is characterized by comprising a sheath tube, wherein the sheath tube is a hollow pipeline, a partition plate is arranged in the sheath tube to divide the hollow pipeline into a perfusion water inlet pipeline and a suction water outlet pipeline, and the perfusion water inlet pipeline and the suction water outlet pipeline are not communicated with each other; the baffle is arranged along the axial direction of the sheath pipe, wherein the perfusion water inlet pipeline is provided with a perfusion water inlet at the non-working end, and the suction water outlet pipeline is provided with a negative pressure suction port at the non-working end.
2. The utility model provides an integral type flexible ureteroscope sheath, characterized by includes that the non-communicating fills inlet channel and attracts the outlet conduit, fills inlet channel and attracts the outlet conduit and is the cavity pipeline, fills inlet channel and attracts the outlet conduit and sets up and both fixed connection parallel to each other, wherein fills the inlet channel and sets up the water inlet of filling in the non-work end, attracts the outlet conduit to set up the negative pressure suction port in the non-work end.
3. The ureteroscope sheath according to claim 1 or 2, wherein the cross-sectional area of the suction outlet line is larger than the cross-sectional area of the irrigation inlet line.
4. The ureteroscope sheath according to claim 1, wherein both ends of the partition are fixedly connected with the inner side wall of the sheath tube; preferably, the sheath tube and the baffle plate are of an integrated structure.
5. The ureteral soft mirror sheath according to claim 1, wherein the cross-sectional shape of the partition is a fold line, a curve or a straight line; preferably, the cross section of the partition plate is arc-shaped, and the cross section of the perfusion water inlet pipeline is crescent-shaped.
6. The flexible ureteroscope sheath of claim 2, wherein the irrigation inlet line and the aspiration outlet line are of a unitary construction.
7. The flexible ureteroscope sheath of claim 2, wherein the irrigation water inlet line is disposed within or outside the lumen of the suction water outlet line.
8. The flexible ureteroscope sheath of claim 7, wherein the irrigation water inlet pipeline and the suction water outlet pipeline are both composed of a first pipe wall and a second pipe wall, and the first pipe wall and the second pipe wall are connected into a whole; the cross section of the first pipe wall is in a curve shape, and the cross section of the second pipe wall is in a straight line shape, a broken line shape or a curve shape; the second pipe wall of the filling water inlet pipeline is matched with the second pipe wall of the suction water outlet pipeline in shape, and the second pipe wall of the filling water inlet pipeline is attached to and fixedly connected with the second pipe wall of the suction water outlet pipeline.
9. The flexible ureteroscope sheath of claim 8, wherein the cross section of the second wall of the irrigation inlet line and the suction outlet line is arc-shaped, and the cross section of the irrigation inlet line is crescent-shaped.
10. The ureteroscope sheath according to claim 1 or 2, wherein a first side hole is arranged at the side of the working end of the suction water outlet pipeline, and the first side hole is spaced from the perfusion water inlet pipeline by a set distance; and a second side hole is formed in the side part of the working end of the perfusion water inlet pipeline, and a set distance is formed between the second side hole and the suction water outlet pipeline.
11. The ureteroscope sheath according to claim 1 or 2, wherein a negative pressure adjusting port is arranged at the side of the suction water outlet pipeline adjacent to the non-working end.
12. The ureteroscope sheath according to claim 1 or 2, wherein the non-working end of the suction outlet tube is provided with a negative pressure regulating port, and the negative pressure regulating port and the negative pressure suction port are arranged in parallel at the end of the non-working end of the suction outlet tube.
13. The ureteroscope sheath according to claim 1 or 2, wherein the non-working end of the suction and water outlet pipeline is connected with an external sleeve, and the external sleeve is a multi-way pipeline.
14. The ureteroscope sheath according to claim 1 or 2, wherein the non-working end of the suction and water outlet pipeline is provided with a wide part, and the inner diameter of the wide part is larger than that of the suction and water outlet pipeline; preferably, a negative pressure regulating port is arranged at the side part of the wide-diameter part; preferably, the end of the wide-diameter part is provided with a negative pressure adjusting port, and the negative pressure adjusting port and the negative pressure suction port are arranged at the end of the wide-diameter part in parallel; preferably, the end part of the wide-diameter part is connected with an external sleeve, and the external sleeve is a multi-way pipeline.
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CN2020101199041 | 2020-02-26 | ||
CN202010119904.1A CN111134774A (en) | 2020-02-26 | 2020-02-26 | Flexible mirror sheath of ureter of integral type |
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CN202010119904.1A Pending CN111134774A (en) | 2020-02-26 | 2020-02-26 | Flexible mirror sheath of ureter of integral type |
CN202010642396.5A Pending CN111544082A (en) | 2020-02-26 | 2020-07-06 | Flexible mirror sheath of ureter of integral type |
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Cited By (1)
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WO2022062791A1 (en) * | 2020-09-23 | 2022-03-31 | 安徽医科大学第一附属医院 | Small-caliber laser resectoscope |
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CN111134774A (en) * | 2020-02-26 | 2020-05-12 | 张建军 | Flexible mirror sheath of ureter of integral type |
CN112690871B (en) * | 2020-12-22 | 2022-05-06 | 温州市人民医院 | Ureter negative pressure stone removal soft lens sheath |
CN112493979A (en) * | 2020-12-31 | 2021-03-16 | 新疆维吾尔自治区人民医院 | Disposable visible percutaneous nephroscope special sheath |
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WO2021169139A1 (en) | 2021-09-02 |
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