CN108992144A - A kind of expansion sheath and the endoscope with expansion sheath - Google Patents
A kind of expansion sheath and the endoscope with expansion sheath Download PDFInfo
- Publication number
- CN108992144A CN108992144A CN201810968916.4A CN201810968916A CN108992144A CN 108992144 A CN108992144 A CN 108992144A CN 201810968916 A CN201810968916 A CN 201810968916A CN 108992144 A CN108992144 A CN 108992144A
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- expansion
- charge
- connector
- handle
- sheath
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- 238000005070 sampling Methods 0.000 claims abstract description 83
- 101710129170 Extensin Proteins 0.000 claims abstract description 13
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 238000005286 illumination Methods 0.000 claims description 26
- 239000000523 sample Substances 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 210000002445 nipple Anatomy 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000011161 development Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 230000001575 pathological effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 210000003734 kidney Anatomy 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 7
- 208000006568 Urinary Bladder Calculi Diseases 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 208000032843 Hemorrhage Diseases 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 241001484259 Lacuna Species 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000002647 laser therapy Methods 0.000 description 1
- 238000002686 lithotriptor Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B1/018—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 for receiving instruments
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0661—Endoscope light sources
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/07—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 with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- 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
- A61B1/12—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 with cooling or rinsing arrangements
- A61B1/126—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 with cooling or rinsing arrangements provided with means for cleaning in-use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
- A61B2010/045—Needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/00296—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means mounted on an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of expansion sheath and with the endoscope for expanding sheath, including expansion sheath handle and the expansion pipe being connect with expansion sheath handle front end, the expansion pipe is multistage expansion pipe, the multistage expansion pipe includes that outer diameter is in charge of by more Radical extensins that ascending sequence is coaxially arranged arrangement, every Radical extensin is in charge of the expansion for being less than its outer diameter with adjacent thereto and outer diameter and is in charge of axial sliding fit, and the length that the big expansion of the outer diameter is in charge of is less than the length that the small expansion of outer diameter is in charge of.Expansion sheath and endoscope structure are simple, are used in conjunction with each other conveniently, can be applied in combination with puncturing needle tubing, puncturing sampling needle tubing according to operation demand endoscope handle, guarantee to puncture smooth.
Description
Technical field
The present invention relates to minimally invasive medical equipment technology fields, peep in particular to a kind of expansion sheath and with expanding in sheath
Mirror.
Background technique
Minimally Invasive Surgery is because it is with reduction patient suffering, advantageous recovery, specious, shortening hospital stays, reduction at present
The advantages such as expense have been widely used and Urology Surgery, orthopaedics, gynaecology, department of general surgery, thoracic surgery, pathology, ophthalmology Ke Deng department.It is existing
Stage Urological Field treat kidney stone, it is common to use percutaneous nephrolithy takes stone to perform the operation, it is this operation have wound it is small, to kidney
Dirty and damaging surrounding tissue is small, it is painful it is light, treatment cycle is short, effect is got instant result, restores the advantages that fast.
When clinically the operation of traditional percutaneous nephrolithy enters kidney because puncturing, operator is by feel or super
Predetermined depth judges to be pierced into position under the guidance such as sound, CT, these methods compare blindly, it is time-consuming, when make mistakes and easily cause
Following problems.
1) it cannot be monitored in real time in puncture process, being easy to wear out blood vessel leads to bleeding, and operation is caused not can be carried out；
2) it is put into seal wire to kidney after puncturing by puncturing needle tubing, then expands expansion sheath along seal wire,
The position that expansion sheath is advanced cannot be observed in expansion, be easy to cause kidney internal haemorrhage, cause malpractice or operation cannot be after
It is continuous to carry out；
3) it finds that calculus quality is hard in kidney in percutaneous kidney surgical procedure, needs the lithotriptor high using calculifragous efficiency
Tool, however the higher rubble instrumentation diameters of calculifragous efficiency are bigger causes the expansion sheath cavity of merging difficult when rubble instrumentation diameters are excessive
When holding, seal wire need to be penetrated again, exits expansion sheath, be placed in the bigger expansion sheath of cavity again, it is cumbersome, increase operation
Time；
4) there is intrarenal pressure is excessively high to lead to complication when in the operation of percutaneous kidney.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, provide it is a kind of puncture precisely, can monitor in real time
Puncture position guarantees to puncture and smoothly expands sheath and the endoscope with expansion sheath.
In order to achieve this, expansion sheath designed by the present invention, including expand sheath handle and connect with expansion sheath handle front end
The expansion pipe connect, it is characterised in that: the expansion pipe is multistage expansion pipe, and the multistage expansion pipe includes outer diameter by ascending
Sequence be coaxially arranged more Radical extensins of arrangement and be in charge of, every Radical extensin is in charge of to be in charge of to slide axially with expansion adjacent thereto and be matched
It closes, the length that the big expansion of the outer diameter is in charge of is less than the length that the small expansion of outer diameter is in charge of.
Further, it is managed with the endoscope of above-mentioned expansion sheath, including endoscope handle, the expansion sheath handle and expansion
It is interior to sample needle tubing inserted with puncture；The puncture sampling syringe rear end is fixedly connected with puncture sampling needle tube joint, the puncture
It is provided with and the axis hole for puncturing sampling needle tubing coaxial communication in sampling needle tube joint along its axial direction；The puncture sampling needle tubing connects
Head outer surface is matched with expansion sheath handle, and the rear end for puncturing sampling needle tube joint is fixedly connected with the endoscope handle；
The endoscope handle is provided with the image illumination device channel with the puncture sampling needle tube joint coaxial communication along its axial direction,
Image illumination device fitting is provided at the port in described image lighting device channel.
Further, the leading exterior surface that every Radical extensin is in charge of is cone, and the conical surface is provided with water outlet
Hole.
Further, the rear end that every Radical extensin is in charge of has been respectively fixedly connected with one and has been in charge of connector, described to be respectively in charge of
Connector successively axially overlaps flexible connection and is integral into multistage expansion pipe fitting, the multistage expansion pipe fitting and the expansion
Open the connection of sheath handle.
Further, described one end for being each in charge of connector is axially arranged with along it is in charge of connector positioning ring, described each
It is in charge of the other end of connector and is provided with expansion and is in charge of fixation hole and is in charge of corresponding point of connector positioning ring with described along its center is axial
Pipe fitting locating slot；The rear end that every Radical extensin is in charge of is inserted into the corresponding expansion for being in charge of connector and is in charge of in fixation hole；Institute
Each connector positioning ring of being in charge of for being in charge of connector is stated to be inserted into and adjacent thereto be in charge of being in charge of in connector locating slot of connector；The expansion
The front end of sheath handle is provided with along its axial direction is in charge of connector location hole, and the final section of the multistage expansion pipe fitting is in charge of connector
It is in charge of described in the insertion of connector positioning ring and is in charge of connector positioning hole, connect multistage expansion pipe fitting with the expansion sheath handle.
Further, the puncture that front and back penetrates through is provided with along its axial direction in the expansion sheath handle sample channel；The expansion
It opens sheath handle rear end and is coaxially connected with puncture sampling needle tubing landing nipple.
Further, the rear end that the expansion sheath handle is connect with the puncture sampling needle tubing landing nipple is equipped with outer spiral shell
Line, the puncture sampling needle tubing landing nipple is made of screw shell and rubber ring, axial in the past along it in the screw shell
Expansion sheath handle location hole, rubber circle hole are successively opened after and puncture sampling needle tube joint location hole；The expansion sheath
The hole wall of handle location hole is equipped with internal screw thread, the external screw thread cooperation of the internal screw thread and the expansion sheath handle rear end；It is described
Rubber ring positioning hole is equipped with can be with the rubber ring of puncture sampling probe pipe surface cooperation, and the screw shell is interior to be equipped with limitation
The limit table top of the rubber ring compression position, the rear end in contact of the front end of the rubber ring and the expansion sheath handle, rubber
The rear end of circle and the limit deck contact.
Also further, the puncture sampling needle tube joint location hole is small, remote close to rubber circle hole one end aperture
The bellmouth big from rubber circle hole one end aperture, it is fixed that the aperture of the rubber circle hole is greater than puncture sampling needle tube joint
Position hole is close to the aperture of rubber circle hole one end, the rubber circle hole and the transition for puncturing sampling needle tube joint location hole
Face is the limit table top.
Further, the side of the expansion sheath handle is connected with connect with the negative pressure for puncturing the connection of sampling channel
Pipe, the end of the negative pressure connecting tube are fixedly connected with vacuum suction and adjust connector.
Further, the vacuum suction adjusting connector includes and negative pressure connecting tube coaxially fixes the vacuum suction being connected to
Sleeve, the surface of the vacuum suction sleeve are provided with the vacuum suction being connected to the negative pressure connecting tube and adjust mouth, the negative pressure
Coaxial sleeve on sleeve is attracted to be equipped with vacuum suction adjusting sleeve, the vacuum suction is adjusted to be provided with and the vacuum suction on sleeve
It adjusts the corresponding vacuum suction of mouth and adjusted mouth, coaxially fixation is communicated with negative pressure pipe fitting to the vacuum suction sleeve.
Also further, the peripheral surface of the vacuum suction sleeve is provided with annular groove, and negative pressure suction is fixed in the annular groove
Draw sleeve seal circle, the vacuum suction sleeve seal circle is contacted with the inner surface that the vacuum suction adjusts sleeve.
Further, the puncture sampling needle tube joint includes that needle tube joint holds seat, and the needle tube joint holds seat
Side is fixedly and coaxially connected to be taken with the needle tube joint positioning seat for puncturing sampling needle tube joint location hole cooperation, the puncture
Sample needle tubing is coaxially fixed in the needle tube joint positioning seat far from one end of the multistage expansion pipe, and the needle tube joint is hand-held
The other side of seat is coaxially fixed with the fixed cylinder of needle tube joint, and the surface of the fixed cylinder of the needle tube joint is equipped with screw thread, described
One end of endoscope handle is provided with endoscope handle threaded hole along its axial direction, and the fixed cylinder of the needle tube joint is threadedly connected to institute
It states in endoscope handle threaded hole, described image lighting device channel and the endoscope handle threaded hole coaxial communication.
Preferably, the sampling needle tubing that punctures is equipped with ultrasonic development slot close to the end surface of the multistage expansion pipe and opens
Equipped with sampling barb mouth.
Further, it is logical that the water filling being connected to described image lighting device channel is also provided in the endoscope handle
Road and instrument channel, be fixedly connected in the endoscope handle with the water filling connector of the waterflood path coaxial communication and with institute
State the instrument connector of instrument channel coaxial communication.
The beneficial effects of the present invention are:
1, endoscope structure of the present invention is simple, easy to use.According to operation demand, endoscope handle can with wear
Pricker pipe, puncture sampling needle tubing are applied in combination.When endoscope handle and puncture needle tubing are applied in combination, the insertion of image illumination device
In needle tubing, the depth in adjustment image illumination device insertion needle tubing is filled the water to adjust range of observation from water filling connector, and water flow is logical
Crossing needle tubing, to enter human body intracavitary and wash the shelter before camera lens open, guarantees unobscured, image clearly.
2, endoscope of the present invention can detect intracavity lesion tissue, diagnose to pathological tissues.In puncture process
Ultrasonic development slot around middle needle tubing tip has multiple wedge angles that can reinforce sound wave reflection, can clearly be judged locating for needle point by ultrasound
Position can see that needle point whether there is or not blood vessel is touched, avoids puncture process from piercing by image illumination device in puncture process in real time
Blood-breaking pipe avoids big bleeding, and when the pathological tissues detected need to sample biopsy, the level-one that multistage need to only be expanded to pipe expands pipe
It is intracavitary along puncture tube push-in human body, puncture needle tubing is withdrawn from, image illumination device is taken out from needle tubing is punctured, samples needle tubing for puncturing
It is combined with endoscope handle, the insertion of image illumination device punctures in sampling needle tubing, directly wears what is combined without secondary puncture
It adopts sample needle tubing by multistage to expand pipe to enter human body intracavitary, is found by image illumination device and sample position is wanted to be sampled.
3, broken to pathological tissues when removing, treating after the intracavitary progress pathological tissues of human body are detected and diagnosed, doctor will be multistage
Expansion pipe is pushed into puncture orifice, using the conical pipe dilated penetration mouth of level-one expansion pipe front end, level-one expansion pipe is made to enter human body chamber
It is interior, level-one expansion pipe is observed by the image illumination device punctured in needle tubing and enters the endoceliac position of people, after determining good position,
The relative position that puncture needle and pathological tissues are adjusted by the observation of image illumination device is taken by the puncture on expansion sheath handle
Sample needle tubing landing nipple adjusts rubber ring and holds needle tubing tightly.It is inserted into Bladder stone optical fiber by instrument connector, people is entered by needle tract
In body cavity, the heat that Bladder stone work generates is taken away by the injection endoceliac water of people and is expanded around pipe tapered end by level-one
Apopore is flowed into the lacuna of needle tubing and is flowed out from negative pressure connecting tube.
4, negative pressure haustorium can be connect by vacuum suction and adjusts connector to control to prevent cavity pressure excessive in the course of surgery
Cavity pressure processed, while the broken pathological tissues removed of Bladder stone can be sucked out in vitro by negative pressure connecting tube.
5, in the course of surgery as discovery pathological tissues be difficult to it is broken except when, need to change large scale, powerful broken except instrument,
Bigger service aisle is also established simultaneously.At this point, using second level expending intra luminal as service aisle, second level expansion is connect being in charge of for pipe
Head connect with expansion pipe handle, selection it is large-sized it is broken remove instrument, scope by second level expanding lumen road to enter human body intracavitary,
(as also needed bigger service aisle in operation, being pushed into three-level expansion pipe and subsequent multistage expansion pipe according to the above method).By second level
Expansion pipe is pushed into puncture orifice using the conical pipe dilated penetration mouth of second level expansion pipe front end along level-one expansion pipe, makes second level expansion pipe
It is intracavitary into human body, level-one expansion pipe connector is disassembled from expansion pipe handle and expands pipe lumen from human body along second level
It takes out.
Detailed description of the invention
Fig. 1 is the perspective view that sheath is expanded in the present invention；
Fig. 2 is the main view that sheath is expanded in the present invention；
Fig. 3 is the right view that sheath is expanded in the present invention；
Fig. 4 is A-A cross-sectional view in Fig. 3；
Fig. 5 is the cross-sectional view that sheath handle is expanded in Fig. 4；
It expansion pipe and the cross-sectional view being in charge of connector and connect that Fig. 6, which is in Fig. 4,；
Fig. 7 is the perspective view for puncturing sampling needle tubing in the present invention and connecting with puncture sampling needle tube joint；
Fig. 8 is the main view for puncturing sampling needle tubing in the present invention and connecting with puncture sampling needle tube joint；
Fig. 9 is B-B cross-sectional view in Fig. 8；
Figure 10 is the main view of endoscope connection structure in the present invention；
Figure 11 is the perspective view of endoscope handle in the present invention；
Figure 12 is the main view of endoscope connection structure in the present invention；
Figure 13 is the cross-sectional view of C-C in Figure 12；
Figure 14 is the cross-sectional view of endoscope handle in Figure 13；
Wherein, wherein 100-expansion sheath handles, 101-multistage expansion pipes, 102-expansions are in charge of, and 103-are in charge of connector
(103.1-are in charge of connector positioning ring, and fixation hole is in charge of in 103.2-expansions, and 103.3-are in charge of connector locating slot), 104-is multistage
Pipe fitting is expanded, 105-apopores, 106-are in charge of connector location hole, and 107-puncture sampling channel, and 108-puncture sampling probe
Pipe landing nipple, 109-needle tube joint screw shells, 110-rubber rings, 111-limit table tops, 112-negative pressure connecting tubes,
113-vacuum suctions adjust connector, and (113.1-vacuum suction sleeves, 113.2-vacuum suctions adjust sleeve, 113.3-negative pressure
Pipe fitting), 114-vacuum suctions adjust mouth, and 115-vacuum suctions adjusted mouth, and 116-puncture sampling needle tubing, and 117-puncture
Sampling needle tube joint, (117.1-needle tube joints hold seat, 117.2-needle tube joint positioning seats, and 117.3-needle tube joints are fixed
Cylinder), 118-vacuum suction sleeve seal circles, 119-expansion sheath handle location holes, 120-rubber circle holes, 121-wear
Sample needle tube joint location hole is adopted, 122-ultrasonic development slots, 123-puncture needle tubing, 124-sampling barb mouths；
200-endoscope handles, 201-image illumination device channels, 202-image illumination device fittings, 203-interior peep
Mirror handle threads hole, 204-waterflood paths, 205-instrument channels, 206-water filling connectors, 207-instrument connectors.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Sheath is expanded as shown in Fig. 1-6, including expansion sheath handle 100 and the expansion connecting with expansion 100 front end of sheath handle
Pipe, expansion pipe are multistage expansion pipe 101, and multistage expansion pipe 101 is coaxially arranged arrangement by ascending sequence including outer diameter
More Radical extensins are in charge of 102 (using three in the present invention), every Radical extensin be in charge of 102 and adjacent thereto and outer diameter be less than its outer diameter
102 axial sliding fits are in charge of in expansion, and the length that the big expansion of outer diameter is in charge of 102 is less than the length that the small expansion of outer diameter is in charge of.
One end that every Radical extensin is in charge of 102 has been respectively fixedly connected with one and has been in charge of connector 103, is each in charge of one end of connector 103 along it
It is axially arranged with and is in charge of connector positioning ring 103.1, the other end for being each in charge of connector 103 is axially provided with expansion along its center and is in charge of admittedly
Determine hole 103.2 and corresponding with connector positioning ring 103.1 is in charge of is in charge of connector locating slot 103.3；Every Radical extensin is in charge of the one of 102
End is inserted into the corresponding expansion for being in charge of connector 103 and is in charge of in fixation hole 103.2；The connector of being in charge of for being each in charge of connector 103 is determined
Position ring 103.1, which is inserted into, adjacent thereto is in charge of being in charge of in connector locating slot 103.3 of connector 103.It is successively mutual to be respectively in charge of connector 103
It is flexibly connected the multistage expansion pipe fitting 104 being integral, the front end of expansion sheath handle 100 is provided with that be in charge of connector fixed along its axial direction
Position hole 106, the insertion of connector positioning ring 103.1 of being in charge of that multistage expansion pipe fitting 104 connect one end with expansion sheath handle 100 are in charge of
In connector location hole 106.The other end outer surface that every Radical extensin is in charge of 102 is cone, and conical surface is provided with apopore
105。
As shown in Fig. 7-14, expands in the expansion sheath handle 100 and expansion pipe of sheath and (worn inserted with puncture sampling needle tubing 116
Sample needle tubing 116 is adopted to be equipped with ultrasonic development slot 122 close to the end surface of multistage expansion pipe 101 and offer sampling barb mouth
124, facilitate development and punctures sampling.)；It punctures sampling 116 rear end of needle tubing and is fixedly connected with puncture sampling needle tube joint 117, wear
Adopting sample needle tube joint 117 includes that needle tube joint holds seat 117.1, and the side of the hand-held seat 117.1 of needle tube joint is coaxially fixed to be connected
It is separate to puncture sampling needle tubing 116 for the needle tube joint positioning seat 117.2 for being connected to and puncturing the sampling cooperation of needle tube joint location hole 121
One end of multistage expansion pipe 101 is coaxially fixed in needle tube joint positioning seat 117.2, and needle tube joint holds the another of seat 117.1
Side is coaxially fixed with the fixed cylinder 117.3 of needle tube joint, and the surface of the fixed cylinder 117.3 of needle tube joint is equipped with screw thread, endoscope
Its axial direction of one lateral edge of handle 200 is provided with endoscope handle threaded hole 203, and the fixed cylinder 117.3 of needle tube joint is threadedly connected to
In endoscope handle threaded hole 203, image illumination device channel 201 and 203 coaxial communication of endoscope handle threaded hole.
It punctures in sampling needle tube joint 117 and is provided with the axis hole with puncture sampling 116 coaxial communication of needle tubing along its axial direction；It punctures
Sampling 117 outer surface of needle tube joint is matched with expansion sheath handle 100, and the rear end for puncturing sampling needle tube joint 117 is fixedly connected
Endoscope handle 200；Endoscope handle 200 is provided with along its axial direction shines with the image for puncturing sampling 117 coaxial communication of needle tube joint
Bright device channel 201 is provided with image illumination device fitting 202 at the port in image illumination device channel 201.In expansion sheath
The puncture that front and back penetrates through, which is provided with, along its axial direction in handle 100 samples channel 107；Expansion 100 rear end of sheath handle, which is coaxially connected with, wears
Adopt sample needle tubing landing nipple 108.The rear end that expansion sheath handle 100 is connect with puncture sampling needle tubing landing nipple 108 is equipped with outer
Screw thread punctures sampling needle tubing landing nipple 108 and is made of screw shell 109 and rubber ring 110, along its axis in screw shell 109
Needle tube joint location hole is sampled to successively opening expansion sheath handle location hole 119, rubber circle hole 120 from front to back and puncturing
121；Puncturing sampling needle tube joint location hole 121 is rubber circle hole small close to 120 one end aperture of rubber circle hole, separate
The big bellmouth in 120 one end aperture, it is close that the aperture of rubber circle hole 120 is greater than puncture sampling needle tube joint location hole 121
The aperture of 120 one end of rubber circle hole.The hole wall for expanding sheath handle location hole 119 is equipped with internal screw thread, internal screw thread and expansion
The external screw thread of 100 rear end of sheath handle cooperates；The rubber for being equipped in rubber circle hole 120 and puncturing sampling 116 surface engagement of needle tubing
Cushion rubber 110, be equipped in screw shell 109 limitation 110 compression position of rubber ring limit table top 111 (rubber circle hole 120 with
The transition face for puncturing sampling needle tube joint location hole 121 is limit table top 111), the front end of rubber ring 110 and expansion sheath handle
The rear end of 100 rear end in contact, rubber ring 110 is contacted with limit table top 111.
The side of expansion sheath handle 100 is connected with and punctures the negative pressure connecting tube 112 for sampling channel 107 and being connected to, and negative pressure connects
The end of adapter tube 112 is fixedly connected with vacuum suction and adjusts connector 113.It includes connecting with negative pressure that vacuum suction, which adjusts connector 113,
Pipe 112 coaxially fixes the vacuum suction sleeve 113.1 of connection, and the surface of vacuum suction sleeve 113.1 is provided with and negative pressure connecting tube
The vacuum suction of 112 connections adjusts mouth 114, and coaxial sleeve is equipped with vacuum suction and adjusts sleeve on vacuum suction sleeve 113.1
113.2, vacuum suction adjusts to be provided on sleeve 113.2 and adjusts the corresponding vacuum suction of mouth 114 with vacuum suction and adjusted mouth
115, coaxially fixation is communicated with negative pressure pipe fitting 113.3 to vacuum suction sleeve 113.1.The circumferential table of vacuum suction sleeve 113.1
Face is provided with annular groove, and vacuum suction sleeve seal circle 118, vacuum suction sleeve seal circle 118 and vacuum suction are fixed in annular groove
Adjust the inner surface contact of sleeve 113.2.
It is also provided with the waterflood path 204 being connected to image illumination device channel 201 in endoscope handle 200 and instrument is logical
Road 205 is fixedly connected with water filling connector 206 and and instrument channel with 204 coaxial communication of waterflood path in endoscope handle 200
The instrument connector 207 of 205 coaxial communications.
In the present invention, the composite structure for expanding sheath and endoscope is simple, easy to use.With visual puncturing sampling and laser
Treat two big functions:
Visual puncturing sampling: puncture sampling needle tubing 116 can be inserted into out of endoscope handle 200 according to operation demand, when interior
When sight glass handle 200 and puncture sampling needle tubing 116 are applied in combination, image illumination device (such as fibre scope) insertion punctures sampling needle tubing
In 116, and guarantee image clearly from the water filling water filling of connector 206 by washing the visual field open, intracavity lesion tissue can be detected, to lesion group
It knits and is diagnosed, when puncturing the bad judgement in position, direction of tissue locating for sampling 116 tip of needle tubing in puncture process,
Ultrasonic development slot 122 around needle tubing tip has multiple wedge angles that can reinforce sound wave reflection, can clearly judge needle point institute by ultrasound
Locate position, can see that needle point whether there is or not blood vessel is touched, is kept away in real time by image illumination device (such as fibre scope) in puncture process
Exempt from puncture process and puncture blood vessel to avoiding big bleeding, when the pathological tissues detected need to sample biopsy, multistage need to only be expanded
The level-one expansion pipe (diameter the smallest one is level-one, and slightly larger is second level, and so on) of pipe 101 is along puncturing sampling needle tubing
116 push-in human bodies are intracavitary, withdraw from puncture sampling needle tubing 116, and image illumination device (such as fibre scope) is sampled needle tubing 116 from puncture
It takes out, sampling needle tubing 116 will be directly punctured without secondary puncture, and by expanding lumen to enter human body intracavitary, is filled by image illumination
It sets (such as fibre scope) and finds and sample position is wanted to be sampled.
Laser therapy: after the intracavitary progress pathological tissues of human body are detected and are diagnosed, need it is broken to pathological tissues when removing, treating,
Entering level-one expansion pipe, human body is intracavitary, by puncturing image illumination device (such as fibre scope) observation one in sampling needle tubing 116
Grade expansion pipe enters the endoceliac position of people, adjusts after determining good position, by image illumination device (such as fibre scope) observation
Puncture the relative position of sampling needle tubing 116 and pathological tissues.By swashing from the insertion of instrument connector 207 in endoscope handle 200
Light treatment instrument (such as Bladder stone optical fiber) enters the heat that human body is intracavitary, and Bladder stone work generates by puncturing sampling needle tubing 116
It is taken away by the injection endoceliac water of people and passes through the apopore that expansion is in charge of around 102 tapered ends and flowed into it and puncture sampling needle tubing
In 116 lacuna and connector 113 is adjusted from vacuum suction to flow out.In the course of surgery to prevent cavity pressure excessive, can connect negative
It presses haustorium to adjust the control vacuum suction of sleeve 113.2 by rotation vacuum suction and adjusts the size of mouth 114 to adjusting cavity internal pressure
Power, while the broken pathological tissues removed of Bladder stone can adjust connector 113 by vacuum suction and be sucked out in vitro, in the course of surgery as sent out
Existing pathological tissues be difficult to it is broken except need to change large scale, it is powerful it is broken need to establish bigger service aisle except instrument when, by two
Grade expansion pipe is pushed into puncture orifice using the conical pipe dilated penetration mouth of second level expansion pipe front end along level-one expansion pipe, expands second level
Pipe enters that human body is intracavitary, and the connector 103 of being in charge of of level-one expansion pipe is disassembled and along the lumen of second level expansion pipe out of human body
Take out, using second level expansion pipe inner cavity be used as service aisle, select it is large-sized it is broken remove instrument enter second level expanding lumen road into
Enter that human body is intracavitary (as also needed bigger service aisle in operation, to be pushed into three-level expansion pipe and subsequent multistage expansion according to the above method
Pipe).
The above described is only a preferred embodiment of the present invention, not being done in any form to structure of the invention
Limitation.Any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
In the range of still falling within technical solution of the present invention.
Claims (14)
1. a kind of expansion sheath, special including expansion sheath handle (100) and the expansion pipe connecting with expansion sheath handle (100) front end
Sign is: expansion pipe manages (101) for multistage expansion, and the multistage expansion pipe (101) includes outer diameter by ascending suitable
More Radical extensins that sequence is coaxially arranged arrangement are in charge of (102), and every Radical extensin is in charge of (102) and (102) are in charge of in expansion adjacent thereto
Axial sliding fit, the length that (102) are in charge of in the big expansion of the outer diameter are less than the length that the small expansion of outer diameter is in charge of.
2. a kind of with the endoscope for expanding sheath described in claim 1, including endoscope handle (200), it is characterised in that: described
It expands in sheath handle (100) and expansion pipe and samples needle tubing (116) inserted with puncture；Puncture sampling needle tubing (116) rear end is solid
Surely it is connected with puncture sampling needle tube joint (117), is provided in puncture sampling needle tube joint (117) along its axial direction and is worn with described
Adopt the axis hole of sample needle tubing (116) coaxial communication；Puncture sampling needle tube joint (117) outer surface and expansion sheath handle
(100) it matches, the rear end for puncturing sampling needle tube joint (117) is fixedly connected with the endoscope handle (200)；In described
Sight glass handle (200) is provided with logical with the image illumination device for puncturing sampling needle tube joint (117) coaxial communication along its axial direction
Road (201) is provided with image illumination device fitting (202) at the port in described image lighting device channel (201).
3. expansion sheath as claimed in claim 1 or 2, it is characterised in that: every Radical extensin is in charge of the leading exterior surface of (102)
It is cone, the conical surface is provided with apopore (105).
4. expansion sheath as claimed in claim 1 or 2, it is characterised in that: the rear end that every Radical extensin is in charge of (102) is solid respectively
Surely one is connected with to be in charge of connector (103), it is described be respectively in charge of connector (103) and successively axially overlap flexible connection be integral into
Multistage expansion pipe fitting (104)；Multistage expansion pipe fitting (104) connect with the expansion sheath handle (100).
5. expansion sheath as claimed in claim 4, it is characterised in that: described to be each in charge of one end of connector (103) along its axial direction
Equipped with being in charge of connector positioning ring (103.1), the other end for being each in charge of connector (103) is axially provided with expansion point along its center
Pipe fixation hole (103.2) and it is in charge of that connector positioning ring (103.1) are corresponding to be in charge of connector locating slot (103.3) with described；It is described
The rear end that every Radical extensin is in charge of (102) is inserted into the corresponding expansion for being in charge of connector (103) and is in charge of in fixation hole (103.2)；Institute
State it is each be in charge of insertion being in charge of of connector (103) connector positioning ring (103.1) it is adjacent thereto be in charge of connector (103) be in charge of connector
In locating slot (103.3)；
The front end of expansion sheath handle (100) is provided with along its axial direction to be in charge of connector location hole (106), and the multistage expansion pipe connects
The final section of head (104) is in charge of being in charge of described in connector positioning ring (103.1) insertion for connector (103) and is in charge of connector location hole
(106) in, it connect multistage expansion pipe fitting (104) with the expansion sheath handle (100).
6. expansion sheath as claimed in claim 5, it is characterised in that: be provided in the expansion sheath handle (100) along its axial direction
The puncture of front and back perforation samples channel (107)；Expansion sheath handle (100) rear end is coaxially connected with puncture sampling needle tubing positioning
Connector (108).
7. expansion sheath as claimed in claim 6, it is characterised in that: the expansion sheath handle (100) and the puncture sampling probe
The rear end of pipe landing nipple (108) connection is equipped with external screw thread, and puncture sampling needle tubing landing nipple (108) is by screw shell
(109) it is constituted with rubber ring (110), expands sheath handle along its axial successively opens from front to back in the screw shell (109)
Location hole (119), rubber circle hole (120) and puncture sampling needle tube joint location hole (121)；The expansion sheath handle positioning
The hole wall in hole (119) is equipped with internal screw thread, the external screw thread cooperation of the internal screw thread and described expansion sheath handle (100) rear end；Institute
The rubber ring (110) for being equipped in rubber circle hole (120) and needle tubing (116) surface engagement being sampled with puncture is stated, it is described
The limit table top (111) for limiting rubber ring (110) compression position, the rubber ring (110) are equipped in screw shell (109)
Front end and it is described expansion sheath handle (100) rear end in contact, the rear end of rubber ring (110) connects with the limit table top (111)
Touching.
8. expansion sheath as claimed in claim 7, it is characterised in that: punctures sampling needle tube joint location hole (121) for by
Nearly rubber circle hole (120) one end aperture is small, far from the big bellmouth in rubber circle hole (120) one end aperture, the rubber
The aperture of cushion rubber location hole (120), which is greater than, punctures sampling needle tube joint location hole (121) close to rubber circle hole (120) one end
Aperture, the rubber circle hole (120) and puncture sampling needle tube joint location hole (121) transition face be the limiting stand
Face (111).
9. expansion sheath as claimed in claim 6, it is characterised in that: the side of expansion sheath handle (100) is connected with and institute
The negative pressure connecting tube (112) for puncturing sampling channel (107) connection is stated, the end of the negative pressure connecting tube (112) is fixedly connected with
Vacuum suction adjusts connector (113).
10. expansion sheath as claimed in claim 9, it is characterised in that: the vacuum suction adjusts connector (113) and includes and negative pressure
Connecting tube (112) coaxially fixes the vacuum suction sleeve (113.1) of connection, and the surface of the vacuum suction sleeve (113.1) is opened
There is the vacuum suction being connected to the negative pressure connecting tube (112) to adjust mouth (114), it is same on the vacuum suction sleeve (113.1)
Axle sleeve is equipped with vacuum suction and adjusts sleeve (113.2), and the vacuum suction adjusts to be provided on sleeve (113.2) inhales with the negative pressure
Draw the corresponding vacuum suction of adjusting mouth (114) to adjust mouth (115), the vacuum suction sleeve (113.1) coaxially fixed connection
There are negative pressure pipe fitting (113.3).
11. expansion sheath as claimed in claim 10, it is characterised in that: the peripheral surface of the vacuum suction sleeve (113.1)
It is provided with annular groove, vacuum suction sleeve seal circle (118), the vacuum suction sleeve seal circle (118) are fixed in the annular groove
The inner surface for adjusting sleeve (113.2) with the vacuum suction contacts.
12. endoscope as claimed in claim 2, it is characterised in that: puncture sampling needle tube joint (117) includes that needle tubing connects
Hand-held seat (117.1), the side that the needle tube joint holds seat (117.1) has been fixedly and coaxially connected and the puncture sampling probe
The needle tube joint positioning seat (117.2) of pipe fitting location hole (121) cooperation, puncture sampling needle tubing (116) is far from described more
One end of grade expansion pipe (101) is coaxially fixed in the needle tube joint positioning seat (117.2), and the needle tube joint holds seat
(117.1) the other side is coaxially fixed with needle tube joint and fixes cylinder (117.3), and the needle tube joint is fixed cylinder (117.3)
Surface be equipped with screw thread, one end of the endoscope handle (200) is provided with endoscope handle threaded hole (203), institute along its axial direction
It states needle tube joint fixed cylinder (117.3) to be threadedly connected in the endoscope handle threaded hole (203), described image illumination dress
Set channel (201) and endoscope handle threaded hole (203) coaxial communication.
13. endoscope as claimed in claim 12, it is characterised in that: puncture sampling needle tubing (116) is close to the multistage
The end surface of expansion pipe (101) is equipped with ultrasonic development slot (122) and offers sampling barb mouth (124).
14. endoscope as claimed in claim 11, it is characterised in that: be also provided in the endoscope handle (200) and institute
State the waterflood path (204) and instrument channel (205) of image illumination device channel (201) connection, the endoscope handle (200)
On be fixedly connected with the water filling connector (206) of the waterflood path (204) coaxial communication and same with the instrument channel (205)
The instrument connector (207) of axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968916.4A CN108992144B (en) | 2018-08-23 | 2018-08-23 | Dilating sheath and endoscope with dilating sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968916.4A CN108992144B (en) | 2018-08-23 | 2018-08-23 | Dilating sheath and endoscope with dilating sheath |
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| Publication Number | Publication Date |
|---|---|
| CN108992144A true CN108992144A (en) | 2018-12-14 |
| CN108992144B CN108992144B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968916.4A Active CN108992144B (en) | 2018-08-23 | 2018-08-23 | Dilating sheath and endoscope with dilating sheath |
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| CN109938811A (en) * | 2019-04-02 | 2019-06-28 | 海盐康源医疗器械有限公司 | A kind of minimally invasive visual expansion attraction sheath |
| CN110720969A (en) * | 2019-10-17 | 2020-01-24 | 深圳泰睿仕医疗科技有限公司 | Disposable minimally invasive dilation drainage kit |
| CN111449730A (en) * | 2020-04-03 | 2020-07-28 | 吉林大学 | Safe puncture channel expanding device for intravascular interventional therapy |
| CN112656458A (en) * | 2020-11-27 | 2021-04-16 | 中国人民解放军空军军医大学 | Fusion system device under spinal endoscope |
| CN114073568A (en) * | 2020-08-12 | 2022-02-22 | 上海康路联医疗科技有限公司 | Dilating sheath assembly |
| CN115089091A (en) * | 2022-06-30 | 2022-09-23 | 湖南省华芯医疗器械有限公司 | Suction valve assembly, endoscope handle and endoscope |
| CN116763409A (en) * | 2023-08-25 | 2023-09-19 | 中国人民解放军总医院第三医学中心 | Ultrasonic guiding therapeutic device |
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| CN115089091A (en) * | 2022-06-30 | 2022-09-23 | 湖南省华芯医疗器械有限公司 | Suction valve assembly, endoscope handle and endoscope |
| CN116763409A (en) * | 2023-08-25 | 2023-09-19 | 中国人民解放军总医院第三医学中心 | Ultrasonic guiding therapeutic device |
| CN116763409B (en) * | 2023-08-25 | 2023-11-03 | 中国人民解放军总医院第三医学中心 | Ultrasonic guiding therapeutic device |
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