CN110251203A - A kind of Flexible ureteroscope sheath external member with rotatable interior sheath - Google Patents
A kind of Flexible ureteroscope sheath external member with rotatable interior sheath Download PDFInfo
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/307—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
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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
- A61B2017/22072—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 an instrument channel, e.g. for replacing one instrument by the other
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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
- 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
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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
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
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Abstract
The invention discloses a kind of Flexible ureteroscope sheath external members with rotatable interior sheath, including outer sheath, variable diameter passage is arranged in the non-operative end of outer sheath, negative pressure suction inlet is arranged in the variable diameter passage side, variable diameter passage end is fixedly connected with sleeve part, described sleeve pipe part is connect with rotary connecting joint, rotary connecting joint can 360 ° rotation, rotary connecting joint is connect with interior sheath, interior sheath is set in epitheca body and epitheca body running end setting length is stretched out in interior sheath working end, and irrigation mouth is arranged in the interior sheath non-operative end；Water outlet is arranged in the interior sheath working end end or working end side.Its interior sheath is connect by rotary connecting joint with outer sheath, and rotary connecting joint can drive 360 ° of interior sheath synchronous rotations, can form variable, complicated vortex in kidney when interior sheath is inwardly perfused, and is conducive to quickly and effectively negative pressure and rubble is sucked out.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of Flexible ureteroscope with rotatable interior sheath
Sheath external member.
Background technique
Kidney stone (renal calculi) is some crystalline solids (such as calcium, oxalic acid, uric acid, cystine) and organic group
Matter (such as matrix A, acidic mucopolysaccharide etc.) is common disease, the frequently-occurring disease of urinary system, 90% contains caused by the abnormal accumulation of kidney
There is calcium, wherein calcinm oxalate calculus is most common.If kidney stone cannot be treated properly, it is easy to cause inflammation infection, serious person's meeting
The even canceration of uronephrosis, uremia occurs；Multidigit can be discharged into ureter and bladder in renal plevis or kidney calices when kidney stone formation, defeated
Ureteral calculi is almost entirely from kidney, therefore, if cannot be treated in time to kidney stone, can also cause the disease of other organs
Become.
Currently, having for the therapeutic modality of kidney stone following several:
1. great quantity of water drinking carries out physics and arranges stone；This mode may be only available for size compared with microlith, but larger to kidney stone
Person is invalid.
2. extracorporeal shock wave lithotripsy；This mode carries out rubble to kidney stone by the shock wave of extracorporeal lithotiptor, only suitable
, matter soft person smaller for calculus, complication are mainly nephrorrhagia, infection.
3. conventional open operative treatment；This mode according to patient's kidney stone situation, kidney cut take stone or
Part excision/full excision is carried out to kidney；This modus operandi wound is big, and remnant gallstone rate is high, and post-operative recovery is slower, it is also possible to can cause
Multiple complications.
4. percutaneous nephrolithy takes stone；This mode, which needs to puncture punching from skin of lumbar region, establishes channel, direct to kidney portion calculus
Rubble takes stone, is the main method of current processing 2cm or more calculus, and this method has made marked progress compared with conventional therapy, but
This mode still makes human body generate wound, and the severe complications incidence such as nephrorrhagia, infectious shock is still higher.
5. minimal invasive operation；This mode mainly uses Flexible ureteroscope through per urethram entering ureter and renal plevis kidney
In small cup, calculus is smashed by soft lens；This mode is attracted by single tube negative-pressure and rubble and broken is sucked out after smashing calculus
Bits are the main methods for handling 2cm or less calculus.This mode handle it is ineffective when 2cm or more calculus, the reason for this is that: it is existing
The mode that capable single tube negative-pressure attracts negative pressure straw when passing through negative pressure gravitational attraction rubble is easy blocking, when spending when attracting rubble
Between it is long so that rubble and clot can not effectively be sucked out, and then influence surgical field of view, can not also find former calculus, have to terminate this
Secondary operation, it cannot be guaranteed that the continuity of operation.If continual cure, second phase, three-stage operation even percutaneous nephrolithy can only be selected to take stone
Art.
Inventors have found that when existing soft lens sheath carries out vacuum suction to the aggregate chips after kidney stone (2cm or more) lithotrity,
Negative pressure straw is easy to happen blocking, and because rubble position relatively disperses, rubble can not be quickly and effectively sucked out, and need to carry out more phase hands
Art has undoubtedly aggravated body burden and the financial burden of patient.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of ureter with rotatable interior sheath is soft
Mirror sheath external member；Its interior sheath is connect by rotary connecting joint with outer sheath, and rotary connecting joint can drive the 360 ° of synchronizations of interior sheath to turn
It is dynamic, variable, complicated vortex can be formed in kidney when interior sheath is inwardly perfused, it is broken to be conducive to quickly and effectively negative pressure suction
Stone；Incarceration is milled and released to rotatable interior sheath in the intraluminal stone fragment of outer sheath when doing 360 ° of rotations, to incarceration
Effect, vacuum suction effect is obviously improved.
Further, the present invention adopts the following technical solutions:
A kind of Flexible ureteroscope sheath external member with rotatable interior sheath, including outer sheath, outer sheath are managed by human body natural
Road enters operation and realizes non-invasive procedures, and variable diameter passage is arranged in the non-operative end of outer sheath, and negative pressure is arranged in the variable diameter passage side
Suction inlet, variable diameter passage end are fixedly connected with sleeve part, and described sleeve pipe part is connect with rotary connecting joint, and rotary connecting joint can be 360 °
Rotation, rotary connecting joint are connect with interior sheath, and interior sheath is set in epitheca body and epitheca body running is stretched out in interior sheath working end
Irrigation mouth is arranged in end setting length, the interior sheath non-operative end, and outer sheath and the formation of interior sheath are inwardly held by interior sheath
Continuous perfusion and by the continuous irrigation system of outer sheath continuous negative pressure suction, completes foreign body in art；The interior sheath working end
Water outlet is arranged in end or working end side.
The Flexible ureteroscope sheath external member of the disclosure, interior sheath are completed to connect by rotary connecting joint, sleeve part and outer sheath,
When carrying out clear stone, interior sheath can be driven to rotate synchronously by rotating rotary connecting joint, so that flushing liquid in interior sheath
Complicated vortex is formed, more preferably to the flushing effect of rubble in kidney, can quickly go out rubble.
The mouth of a river is provided in interior sheath tube side part in the disclosure and forms side-jetting, the mouth of a river is provided in interior sheath tube end and is formed directly
Spray type, two kinds of forms provide venturi effect in different kidneys due to the difference of angle of water；And the interior sheath of two kinds of forms can
It is used alternatingly, and then improves clear Shi Xiaoguo.
As further technical solution, described sleeve pipe part is connect with variable diameter passage end by screw threads for fastening；The set
Pipe fitting and variable diameter passage are tightly connected.
As further technical solution, through-hole is arranged in the rotary connecting joint, and interior sheath passes through through-hole and connects with rotation
Connector is fixedly connected；The through-hole eccentric setting is in rotary connecting joint, and interior sheath is close to when rotary connecting joint is with sleeve part connection
In side wall in epitheca body.
Interior sheath is closely set in side wall in epitheca body, interior sheath during lavation is can avoid and occurs because of attraction
Displacement, and then outer sheath and interior sheath gap is made to become smaller, influence the suction effect of calculus rubble.
As further technical solution, the interior sheath and rotary connecting joint are an integral structure.
As further technical solution, described sleeve pipe part is hollow structure, and the rotary connecting joint includes column structure,
Column structure extends to inside sleeve part.
The column structure on both sides of the middle is connect with connecting rod, and connection boom end is connect with supporting rod, the connecting rod
Vertical with column structure axis, supporting rod is parallel with column structure axis.
As further technical solution, fixture block, described sleeve pipe is arranged in the tip inside of the supporting rod towards sleeve part
Circumferential card slot is arranged in part periphery, and when rotary connecting joint is connect with sleeve part, fixture block is sticked in card slot and fixture block can turn along card slot
It is dynamic.
In use, pinching one end of the not set fixture block of supporting rod, then one end of supporting rod setting fixture block tilts, mobile rotation
Connector to and sleeve part cooperation after, unclamp supporting rod, then the fixture block of supporting rod is sticked in card slot, complete rotary connecting joint with
The fixation of sleeve part；When rinsing rubble, rotation rotary connecting joint drives interior sheath rotation, makes the flushing liquid of interior sheath outflow
Form vortex.
As further technical solution, the column structure, connecting rod, supporting rod are integrally formed.
As further technical solution, the negative pressure suction inlet is obliquely installed.
As further technical solution, the outer sheath and interior sheath are hollow pipeline.
As further technical solution, when the interior sheath is set in epitheca body, interior sheath is tightly attached in epitheca body
Side wall.
As further technical solution, the irrigation mouth and irrigation pump be connected tos, the negative pressure suction inlet with bear
Press suction pump connection.
As further technical solution, the cross-sectional profile of the interior sheath is arc-shaped or oblate in crescent.
As further technical solution, the interior sheath includes the first tube wall and the second tube wall, the first tube wall and second
Tube wall links into an integrated entity；The cross section of first tube wall is arc, the cross section of the second tube wall be linear or fold-line-shaped or
Curved shape.
As further technical solution, first tube wall is attached in epitheca body wall and is arranged, and the first tube wall and the
The junction of two tube walls, which is supported, is set to wall in epitheca body.
As further technical solution, when the setting water outlet of the interior sheath working end side, water outlet is set to the
One tube wall outside portion.
As further technical solution, the interior sheath setting single-pipeline or dual circuit fill when being set as single-pipeline
Infuse channel；When being set as dual circuit, a pipeline is perfusion channel, and another pipeline is measuring pressure passage.
Compared with prior art, the beneficial effects of the present invention are:
The Flexible ureteroscope sheath external member of the disclosure connects interior sheath by rotary connecting joint, sleeve part and outer sheath
It connects, when needing to rinse clear stone, drives interior sheath to rotate synchronously by rotation rotary connecting joint, so that flushing liquor in interior sheath
Complicated vortex is formed after body outflow, more preferably to the flushing effect of rubble in kidney, rapidly and efficiently rubble etc. can be attracted and be gone out, it will not
It causes to attract blockage, guarantees that mirror downward view is clear.
The Flexible ureteroscope sheath external member of the disclosure rotates rotary connecting joint, and interior sheath rotates synchronously therewith, to rubble in kidney
When etc. being rinsed, the flushable calculus rubble at each position in kidney increases the flushing area of flushing liquid, improves
Rubble cleaning effect.And the rotatable interior sheath of the disclosure is when doing 360 ° of rotations, it is intraluminal broken in outer sheath to incarceration
Incarceration is milled and released to aggregate chips, and vacuum suction effect is obviously improved.
The Flexible ureteroscope sheath external member of the disclosure is provided the mouth of a river in interior sheath tube side part and forms side-jetting, in interior sheath pipe end
Portion is arranged water outlet and forms direct-injection, and two kinds of forms provide venturi effect in different kidneys due to the difference of angle of water；And
The interior sheath of two kinds of forms is used interchangeably, and then improves clear Shi Xiaoguo.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the Flexible ureteroscope sheath external member schematic diagram of the disclosure；
Fig. 2 is the schematic diagram of outer sheath；
Fig. 3 is the schematic diagram of sleeve part；
Fig. 4 is the cooperation schematic diagram of sheath and rotary connecting joint in side-jetting；
Fig. 5 is the cooperation schematic diagram of sheath and rotary connecting joint in direct-injection；
Fig. 6 is that the interior sheath of disclosure preferred embodiment and outer sheath cooperate cross-sectional view；
Fig. 7 is that the interior sheath that the second tube wall is linear and outer sheath cooperate cross-sectional view；
Fig. 8 is that the interior sheath that the second tube wall is fold-line-shaped and outer sheath cooperate cross-sectional view；
Fig. 9 is that the second tube wall is that curved interior sheath and outer sheath cooperate cross-sectional view；
Figure 10 is that twin-channel interior sheath is arranged in the disclosure and outer sheath cooperates cross-sectional view；
In figure, 1 outer sheath, sheath in 2,3 negative pressure suction inlets, in 4 the working end of sheath, 5 first tube walls, 6 second tube walls, and 7
Sleeve part, 8 perfusion channels, 9 measuring pressure passages, 10 variable diameter passages, 11 rotary connecting joints, 12 water outlets, 13 column structures, 14 connections
Bar, 15 supporting rods, 16 fixture blocks, 17 card slots.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the disclosure, only indicate and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the disclosure and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it should not be understood as the limitation to the disclosure.
Explanation of nouns:
Incarceration is a medical terminology, that is, the meaning blocked.
As background technique is introduced, inventors have found that after existing soft lens sheath is to kidney stone (2cm or more) lithotrity
Aggregate chips when carrying out vacuum suction, negative pressure straw is easy to happen blocking, and because of the relatively dispersion of rubble position, rubble can not be fast and effective
It is sucked out, needs to carry out more stage operations, in order to solve technical problem as above, present applicant proposes one kind to have rotatable interior sheath
Flexible ureteroscope sheath external member.
This application provides a kind of Flexible ureteroscope sheath external member with rotatable interior sheath, including outer sheath, outer sheathes
Operation is entered by human body natural's pipeline and realizes non-invasive procedures, variable diameter passage, the variable diameter passage is arranged in the non-operative end of outer sheath
Negative pressure suction inlet is arranged in side, and variable diameter passage end is fixedly connected with sleeve part, and described sleeve pipe part is connect with rotary connecting joint, rotation
Connector can 360 ° of rotations, rotary connecting joint connect with interior sheath, and interior sheath is set to that epitheca body is interior and interior sheath working end is stretched
Sheath working end sets length out, and the interior sheath non-operative end is arranged irrigation mouth, outer sheath and interior sheath formed by
The inside Continuous Perfusion of interior sheath and by the continuous irrigation system of outer sheath continuous negative pressure suction, completes foreign body in art；It is described
Water outlet is arranged in interior sheath working end end or working end side.
1- attached drawing 10 is described further soft lens sheath external member disclosed in the present embodiment with reference to the accompanying drawing；
As shown in Figure 1, the Flexible ureteroscope sheath external member with rotatable interior sheath, including outer sheath 1, outer sheath 1 is by people
Body nature pipeline enters operation and realizes that non-invasive procedures, interior 2 Demountable combined-type of sheath are set in outer sheath 1.
The non-operative end of outer sheath 1 is arranged variable diameter passage 10, and variable diameter passage is from outer sheath non-operative end end to working end
Direction is arranged one section of isometrical channel section and the channel section that one section of caliber is gradually reduced, namely outer sheath non-operative end end is then arranged again
The size in portion is greater than working end end size.
The working end of outer sheath is to protrude into one end that kidney is operated, and it is also handheld terminal that the other end, which is non-operative end,
The definition of interior sheath working end is identical as epitheca body running end.
Negative pressure suction inlet 3 is arranged in 10 side of variable diameter passage, and negative pressure suction inlet 3 is obliquely installed, and negative pressure suction inlet 3 and vacuum suction pump connect
Logical, irrigation mouth is arranged in interior 2 non-operative end of sheath, and irrigation mouth is connected to irrigation pump；Irrigation fluid is rushed through perfusion
It washes pump to be entered by interior sheath 2, be flowed out by gap between interior sheath 2 and outer sheath 1, outer sheath 1 and interior sheath 2 are formed by interior sheath
2 inside Continuous Perfusions and by the continuous irrigation system of outer 1 continuous negative pressure suction of sheath, complete the foreign matters such as calculus, clot in art and take
Out, the circulations such as liquid can be made, rapidly and efficiently rubble etc. can be attracted and gone out, and not will cause the blocking of suction tube, protected
It is clear to demonstrate,prove mirror downward view.The disclosure is inhaled using side trimming, and the form of two-tube negative pressure carries out lavation attraction, and suction pipeline is not easy to send out
Raw blocking, the visual field is unclear in art or cleans out rubble in kidney, Neng Goubao to can effectively attract when performing the operation compared with maximum size
The continuity for demonstrate,proving operation, can disposably finish operation, without moving knife again.
It is greater than the calculus of 2cm for kidney interior diameter, the prior art can not use the master of this method of Flexible ureteroscope rubble
It wants the reason is that rubble and clot are blended in kidney and cause surgical field of view unclear in kidney, the soft lens sheath external member of the disclosure can be efficient
Rubble and clot are cleared up, can solve the unclear problem in the visual field in surgical procedure, makes calculus of the diameter greater than 2cm that soft lens can also be used
Operation can expand the indication of soft lens operation.
Outer sheath is entered in kidney by human body natural's pipeline ureter, carries out the instrument of calculus rubble operation in kidney by outer sheath
Pipeline enter implement soft lens operation, such as hematocele blocks in kidney or need to clear up suction calculus when, surgical instrument exits, by interior sheath by
Outer sheath pipeline enters, and interior sheath and epitheca body form continuous irrigation system, and it is soft that the outer sheath of interior sheath importing does not need ureter
Mirror and other ancillary techniques, it is easy to operate, it is possible to reduce operating time.Other behaviour such as aperture are carried out therefore without in sufferer body
Make, can really realize non-invasive procedures, mitigates patient's pain, patient can be made to restore in a short time.
In the disclosure, outer 1 working end of sheath is stretched out into the working end 4 of interior sheath and sets length, the external diameter of epitheca can be
F14-16, internal diameter F12-14.Outer sheath about 0.5cm is stretched out in interior 2 working end of sheath.The working end 4 of interior sheath is arranged to stretch
1 working end of sheath sets length out, and setting in this way can be flowed into after interior sheath directly to avoid flushing liquid by irrigation pump
Gap in interior sheath working end flows between sheath and outer sheath；Epitheca body running end is stretched out in interior sheath working end, so that
Flushing liquid can be flowed to first in kidney after via the outflow of interior sheath working end, and in vacuum suction work, liquid just can be by interior sheath
Pipe, the outflow of epitheca body space guarantee flushing effect to extend flushing liquid circulation path.
10 end of variable diameter passage is fixedly connected with sleeve part 7, and sleeve part 7 and 10 end of variable diameter passage can pass through screw threads for fastening
Connection, namely external screw thread is set in outer 10 end of sheath variable diameter passage, internal screw thread is arranged in sleeve part 7, and it is logical that sleeve part is placed on variable diameter
It road end and is connected through a screw thread with it.Sleeve part 7 and variable diameter passage 10 are tightly connected, i.e., logical in 7 inside of sleeve part and variable diameter
Gasket seal is set between road 10.Sleeve part 7 is connect with rotary connecting joint 11, rotary connecting joint 11 can 360 ° rotation, rotation connect
Connector 11 is connect with interior sheath 2, and when rubble rotation is rinsed in kidney, the calculus for being conducive to be flushed to each position in kidney is broken
Stone improves rubble cleaning effect.
When carrying out calculus in vacuum suction kidney, it is possible that feelings of the rubble incarceration between interior sheath and outer sheath
Condition, due in disclosure scheme interior sheath can 360 ° of rotations, in rotary course at interior sheath and outer sheath cooperation to incarceration in
Incarceration is milled and released to the outer intraluminal stone fragment of sheath, and vacuum suction effect is obviously improved.
The soft lens sheath external member of the disclosure, interior sheath can 360 ° rotation, lavation attract kidney in rubble when, interior sheath is rotatable
To outer sheath negative pressure suction inlet, by the setting of variable diameter passage, interior sheath will not block negative pressure suction inlet, to ensure that holding for rubble
Continuous reliable suction.
Through-hole is arranged in rotary connecting joint 11, and interior sheath 2 passes through through-hole and is fixedly connected with rotary connecting joint 11；Through-hole is eccentric
Be set to rotary connecting joint 11, rotary connecting joint 11 when being connect with sleeve part 7 interior sheath 2 be tightly attached to outer 1 inner sidewall of sheath.This is just
It ensure that the attraction channel cross section between outer sheath and interior sheath maximizes, improve the effect of the foreign matters such as calculus, clot suction
Rate.
Interior sheath 2 and the setting of rotary connecting joint 11 are an integral structure in the present embodiment.
As shown in figure 3, sleeve part 7 is hollow structure, circumferential card slot 17 is arranged in 7 periphery of sleeve part；
As shown in figure 4, rotary connecting joint 11 includes column structure 13, column structure 13 is extended to inside sleeve part 7；Column
13 on both sides of the middle of structure is connect with connecting rod 14, and 14 end of connecting rod is connect with supporting rod 15, connecting rod 14 and column structure
13 axis are vertical, and supporting rod 15 is parallel with 13 axis of column structure, the gap between two supporting rods 15 and sleeve part outer diameter
It is roughly the same.
Fixture block 16 is arranged in the tip inside of supporting rod 15 towards sleeve part 7, when rotary connecting joint 11 is connect with sleeve part 7,
Fixture block 16 is sticked in card slot 17 and fixture block 16 can be rotated along card slot 17.
In the present embodiment, column structure 13, connecting rod 14, the setting of supporting rod 15 are one of the forming.
In use, pinching one end of the not set fixture block 16 of supporting rod 15, then one end that fixture block 16 is arranged in supporting rod 15 tilts,
Mobile rotary connecting joint 11 unclamps supporting rod 15, then the fixture block 16 of supporting rod 15 is sticked in card slot 17 to after cooperating with sleeve part 7
It is interior, complete the fixation of rotary connecting joint 11 and sleeve part 7；When rinsing rubble, rotation rotary connecting joint 11 drives 2 turns of interior sheath
Dynamic, the flushing liquid for flowing out interior sheath 2 forms vortex.
In one embodiment, as shown in figure 4,2 working end end-enclosed of interior sheath, and 4 side of the working end setting of interior sheath
Water outlet 12, forms it into side-jetting；
In another embodiment, as shown in figure 5, closing interior 2 side of sheath, it is arranged in interior 2 working end end of sheath and is discharged
Mouthful, direct-injection is formed it into, both forms provide venturi effect in different kidneys due to the difference of angle of water；
When specifically used, the interior sheath of two kinds of forms can be used alternatingly, i.e., after being rinsed using a form of interior sheath,
It reuses sheath in another form to rinse, clear Shi Xiaoguo can be improved.
The soft lens sheath external member of the disclosure, by the inside irrigation liquid of interior sheath, the negative pressure suction inlet that is arranged by outer sheath into
Water outlet is arranged in interior sheath tube side part or end in row vacuum suction, and flushing liquid can be first after via the outflow of interior sheath working end
It flows in kidney, in vacuum suction work, liquid can just be flowed out by interior sheath, epitheca body space, further extend flushing liquid
Circulation path increases effective flushing area of flushing liquid, improves the taking-up success rate of the foreign matters such as calculus in art, clot.
The soft lens sheath external member of the disclosure, outer sheath 1 and interior sheath 2 are hollow pipeline.Interior sheath 2 is set to outer sheath 1
When interior, interior sheath 2 is tightly attached to outer 1 inner sidewall of sheath.Interior sheath is closely set in side wall in epitheca body, can avoid in lavation
Interior sheath is displaced because of attraction in journey, and then outer sheath and interior sheath gap is made to become smaller, and influences the suction of calculus rubble
Effect.
Interior sheath 2 includes the first tube wall 5 and the second tube wall 6, and the first tube wall 5 and the second tube wall 6 link into an integrated entity.First pipe
The cross section of wall 5 is arc, and the cross section of the second tube wall 6 is linear, as shown in Figure 7；Or second tube wall 6 cross section be folding
It is linear, as shown in Figure 8；Or second the cross section of tube wall 6 be curved shape, as shown in figure 9, may be configured as arc or class it is oblate or
Class is arc-shaped；When being set as fold-line-shaped and curved shape, concrete shape can be set as needed.First tube wall 5 and the second tube wall 6
Cross section is along the section of interior sheath radial direction.
First tube wall 5 is attached at outer 1 inner wall of sheath setting, and the junction of the first arc tube wall 5 and the second arc tube wall 6
To outer 1 inner wall of sheath is set to, 5 lateral wall of the first tube wall is close to wall in epitheca body, and the arc radius of the first tube wall 5 is slightly less than outer
The interior caliber of sheath, it is better closer to the interior caliber of outer sheath with the arc radius of the first tube wall 5, so that sheath is close in entire
Wall in epitheca body.
When the second tube wall 6 is also configured as arc, as shown in fig. 6, the curvature of the first tube wall 5 is greater than the song of the second tube wall 6
Rate.
When interior 2 working end side of sheath setting water outlet, the water outlet 12 of interior sheath 2 is set to 5 outside portion of the first tube wall.
The cross-sectional shape of interior sheath 2 can be the arbitrary shapes such as circle, as a kind of currently preferred embodiment, such as
It is that the cross-sectional profile of interior sheath 2 is arranged to crescent shown in Fig. 6.
Interior sheath cross section is arranged to crescent, the maximum caliber of interior sheath is approximately equal to diameter in epitheca body, is entering
It can preferably be adjacent to when inside epitheca body in outer sheath side, and the both ends of its interior sheath can be against on epitheca body sidewall；Especially with
When diameter is roughly equal in interior sheath pipe outside diameter and epitheca body, it ensure that interior sheath is tightly attached to wall in epitheca body, effective vacuum suction is logical
Road area is maximized.
The cross-sectional shape of interior sheath can also be arranged in the arc-shaped or oblate.At this point, rotary connecting joint and interior sheath
The relative stiffness of tubing matter is the element that sheath is tightly attached to wall in epitheca body in guaranteeing.
Single-pipeline or dual circuit can be set in sheath 2 in the present invention, as shown in fig. 6, logical for perfusion when being set as single-pipeline
Road 8 is irrigated flushing, and the cross sectional shape of perfusion channel 8 is identical as the cross sectional shape of interior sheath 2, may be alternatively provided as crescent；
As shown in Figure 10, when being set as dual circuit, a pipeline is perfusion channel 8, and another pipeline is measuring pressure passage 9.Measuring pressure passage 9 and outer
Measuring cell device connection in boundary's can carry out survey pressure.When dual circuit is arranged, if measuring pressure passage is closed, closing can adopt without surveying pressure
Used in the form of the structural traps such as measuring pressure passage end block or other any forms that can be blocked；Need to survey pressure
When, plugging structure is taken out, keeps measuring pressure passage unimpeded, it is made to connect measuring cell device.Survey pressure belongs to known in this field normal
Know, details are not described herein.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of Flexible ureteroscope sheath external member with rotatable interior sheath, characterized in that including outer sheath, the non-work of outer sheath
Make end setting variable diameter passage, negative pressure suction inlet is arranged in the variable diameter passage side, and variable diameter passage end is fixedly connected with sleeve part, institute
Sleeve part is stated to connect with rotary connecting joint, rotary connecting joint can 360 ° of rotations, rotary connecting joint connect with interior sheath, and interior sheath is set
It is placed in epitheca body and epitheca body running end setting length, the interior sheath non-operative end setting perfusion is stretched out in interior sheath working end
Rinse mouth；Water outlet is arranged in the interior sheath working end end or working end side.
2. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that described sleeve pipe part
It is connect with variable diameter passage end by screw threads for fastening；Described sleeve pipe part and variable diameter passage are tightly connected；The negative pressure suction inlet inclination
Setting；The outer sheath and interior sheath are hollow pipeline.
3. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that the rotation connects
Through-hole is arranged in connector, and interior sheath passes through through-hole and is fixedly connected with rotary connecting joint；The through-hole eccentric setting is connected in rotation
Head, interior sheath is tightly attached to side wall in epitheca body when rotary connecting joint is connect with sleeve part；The interior sheath and rotary connecting joint are
Integral structure.
4. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that described sleeve pipe part
For hollow structure, the rotary connecting joint includes column structure, and column structure extends to inside sleeve part；In the column structure
Portion two sides are connect with connecting rod, and connection boom end is connect with supporting rod, and the connecting rod is vertical with column structure axis, clamping
Bar is parallel with column structure axis.
5. as claimed in claim 4 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that the supporting rod
Fixture block is set towards the tip inside of sleeve part, circumferential card slot is arranged in described sleeve pipe part periphery, and rotary connecting joint and sleeve part connect
When connecing, fixture block is sticked in card slot and fixture block can be rotated along card slot；The column structure, connecting rod, supporting rod are integrally formed.
6. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that the interior sheath
When being set in epitheca body, interior sheath is tightly attached to side wall in epitheca body；The irrigation mouth is connected to irrigation pump, described
Negative pressure suction inlet is connected to vacuum suction pump.
7. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that the interior sheath
Cross-sectional profile in crescent it is arc-shaped or oblate.
8. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that the interior sheath
Including the first tube wall and the second tube wall, the first tube wall and the second tube wall link into an integrated entity；The cross section of first tube wall is arc
Shape, the cross section of the second tube wall are linear or fold-line-shaped or curved shape.
9. as claimed in claim 8 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that first pipe
Wall is attached at wall in epitheca body and is arranged, and the junction of the first tube wall and the second tube wall is supported and is set to wall in epitheca body；The interior sheath
When pipe work end side portion setting water outlet, water outlet is set to the first tube wall outside portion.
10. as described in claim 1 with the Flexible ureteroscope sheath external member of rotatable interior sheath, characterized in that the interior sheath
Single-pipeline or dual circuit is arranged in pipe, is set as when single-pipeline being perfusion channel；When being set as dual circuit, a pipeline is that perfusion is logical
Road, another pipeline are measuring pressure passage.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683499.3A CN110251203A (en) | 2019-07-26 | 2019-07-26 | A kind of Flexible ureteroscope sheath external member with rotatable interior sheath |
| PCT/CN2020/070319 WO2021017413A1 (en) | 2019-07-26 | 2020-01-03 | Flexible ureteroscope sheath kit with rotatable inner sheath tube |
| CN202010722502.0A CN111643154A (en) | 2019-07-26 | 2020-07-24 | Ureteroscope sheath external member |
| CN202021491708.9U CN212490057U (en) | 2019-07-26 | 2020-07-24 | Ureteroscope sheath external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683499.3A CN110251203A (en) | 2019-07-26 | 2019-07-26 | A kind of Flexible ureteroscope sheath external member with rotatable interior sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110251203A true CN110251203A (en) | 2019-09-20 |
Family
ID=67912063
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910683499.3A Pending CN110251203A (en) | 2019-07-26 | 2019-07-26 | A kind of Flexible ureteroscope sheath external member with rotatable interior sheath |
| CN202010722502.0A Pending CN111643154A (en) | 2019-07-26 | 2020-07-24 | Ureteroscope sheath external member |
| CN202021491708.9U Active CN212490057U (en) | 2019-07-26 | 2020-07-24 | Ureteroscope sheath external member |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010722502.0A Pending CN111643154A (en) | 2019-07-26 | 2020-07-24 | Ureteroscope sheath external member |
| CN202021491708.9U Active CN212490057U (en) | 2019-07-26 | 2020-07-24 | Ureteroscope sheath external member |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN110251203A (en) |
| WO (1) | WO2021017413A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017413A1 (en) * | 2019-07-26 | 2021-02-04 | 张建军 | Flexible ureteroscope sheath kit with rotatable inner sheath tube |
| CN114532946A (en) * | 2022-02-23 | 2022-05-27 | 杭州思康新医疗科技有限公司 | Endoscope |
| WO2024104040A1 (en) * | 2022-11-17 | 2024-05-23 | 宁波大学附属第一医院 | Bent combined ureteroscope, ureteroscope, and ureteroscope main body |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690871B (en) * | 2020-12-22 | 2022-05-06 | 温州市人民医院 | Ureter negative pressure stone removal soft lens sheath |
| CN114082075B (en) * | 2021-09-28 | 2023-07-18 | 四川大学华西医院 | Auxiliary control bending sheath tube |
| CN114271765B (en) * | 2021-12-23 | 2022-07-12 | 青岛钰仁医疗科技有限公司 | Multifunctional composite light penetration enhanced imaging system and enhanced imaging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402273Y (en) * | 1999-12-25 | 2000-10-25 | 李保灿 | Automatic cervical intervertebral disc rotary-removal and aspiration therapeutical apparatus |
| CN2557084Y (en) * | 2002-06-15 | 2003-06-25 | 许远海 | Rotary suction multi-guide intracranial hematoma remover |
| JP4940838B2 (en) * | 2006-09-04 | 2012-05-30 | ニプロ株式会社 | Thrombus aspiration catheter |
| DK2744424T3 (en) * | 2011-08-17 | 2018-01-22 | Samuel Shiber | Adaptively rotating catheter to open clogged vessels in the body |
| CN106668964A (en) * | 2017-03-02 | 2017-05-17 | 上海伴诚医疗科技有限公司 | Intracranial hematoma breaking aspirator and intracranial hematoma breaking vacuum aspiration device |
| CN109394304B (en) * | 2017-08-17 | 2024-01-26 | 上海伴诚医疗科技有限公司 | Bendable broken absorber |
| CN107874812A (en) * | 2017-10-21 | 2018-04-06 | 大连大学 | A kind of intervention thrombus for containing three autonomous channel cavitys removes conduit |
| CN108498134A (en) * | 2018-06-04 | 2018-09-07 | 张建军 | Sustainable perfusion and the combined type Flexible ureteroscope sheath external member attracted |
| CN109662755A (en) * | 2019-01-28 | 2019-04-23 | 上海逸思医疗科技有限公司 | A kind of Echinococcus hydatid cyst rotary cut device of aspiration-type |
| CN110251203A (en) * | 2019-07-26 | 2019-09-20 | 张建军 | A kind of Flexible ureteroscope sheath external member with rotatable interior sheath |
-
2019
- 2019-07-26 CN CN201910683499.3A patent/CN110251203A/en active Pending
-
2020
- 2020-01-03 WO PCT/CN2020/070319 patent/WO2021017413A1/en active Application Filing
- 2020-07-24 CN CN202010722502.0A patent/CN111643154A/en active Pending
- 2020-07-24 CN CN202021491708.9U patent/CN212490057U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017413A1 (en) * | 2019-07-26 | 2021-02-04 | 张建军 | Flexible ureteroscope sheath kit with rotatable inner sheath tube |
| CN114532946A (en) * | 2022-02-23 | 2022-05-27 | 杭州思康新医疗科技有限公司 | Endoscope |
| WO2024104040A1 (en) * | 2022-11-17 | 2024-05-23 | 宁波大学附属第一医院 | Bent combined ureteroscope, ureteroscope, and ureteroscope main body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN212490057U (en) | 2021-02-09 |
| WO2021017413A1 (en) | 2021-02-04 |
| CN111643154A (en) | 2020-09-11 |
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Application publication date: 20190920 |