CN100500080C - Endoscopic apparatus provided with inflatable propelling sleeve - Google Patents

Endoscopic apparatus provided with inflatable propelling sleeve Download PDF

Info

Publication number
CN100500080C
CN100500080C CNB2005800149462A CN200580014946A CN100500080C CN 100500080 C CN100500080 C CN 100500080C CN B2005800149462 A CNB2005800149462 A CN B2005800149462A CN 200580014946 A CN200580014946 A CN 200580014946A CN 100500080 C CN100500080 C CN 100500080C
Authority
CN
China
Prior art keywords
sleeve
insertion tube
endoscope
ring
retaining ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2005800149462A
Other languages
Chinese (zh)
Other versions
CN1950022A (en
Inventor
雅各布·巴尔-奥尔
阿姆拉姆·艾森费尔德
萨勒曼·戈兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sightline Technologies Ltd
Original Assignee
Sightline Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sightline Technologies Ltd filed Critical Sightline Technologies Ltd
Publication of CN1950022A publication Critical patent/CN1950022A/en
Application granted granted Critical
Publication of CN100500080C publication Critical patent/CN100500080C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00142Instruments 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 means for preventing contamination, e.g. by using a sanitary sheath
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00147Holding or positioning arrangements
    • A61B1/00156Holding or positioning arrangements using self propulsion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/005Flexible endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/31Instruments 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 rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes

Abstract

An apparatus (10) for endoscopic examination of a body passage includes a flexible endoscope and an inflatable sleeve (42), which upon inflation is capable of propelling the endoscope within the body passage. The endoscope is provided with a proximal end (12) and with a distal end (16), which comprises an insertion tube, a bending section (32) and a probe (36). The sleeve comprises a rear folded portion (15) and a frontal unfolded portion (17). The sleeve is detachably coupled with the insertion tube, wherein the rear portion of the sleeve is located behind the bending section. During the endoscopic examination the rear portion unfolds upon inflation and propels the endoscope within the body passage, while the frontal portion remains deflated and covers the bending section and the probe.

Description

Be provided with the endoscope apparatus of inflatable propelling sleeve
Technical field
The present invention relates to the field of endoscope substantially, and is specifically related to be used for the endoscope of colonoscopy procedures, and in described colonoscopy procedures, flexible pipe inserts in rectum and the colon and is used to check that colon inside notes abnormalities.More particularly, the present invention relates to peep the border in a kind of like this, described endoscope is provided with the removable sleeve that covers described pipe, and when expanding, described sleeve helps at colonic propelling colonoscope.
Background technology
The endoscope that uses expandable flexible sleeve is known, and described sleeve is used to make endoscope to advance at colonic.
(US 6 for Voloshin, 485,409) disclose a kind of endoscope, described endoscope comprises endoscope probe, is used for sweep (guider), insertion tube and flexible cover sleeve or sheath at colonic guiding probe, and described muff coupling is near probe.The curvature section of endoscope branch is positioned at the back of probe.Sleeve is connected to endoscope in such a way, and promptly its folded part is maintained between cover and the inner shaft, and they are between insertion tube and probe tip.When expanding, folded part launches above the flange of inner shaft, and telescopic inside is pulled along the distant place direction.Because sleeve only covers insertion tube, and does not cover guider or probe, so these parts of endoscope can be contaminated in endoscopic procedure, and therefore whole endoscope should sterilize before reusing.Provide sleeve how to be fixed to described cover or be fixed to insertion tube without any open source literature.
In PCT/IL03/00661, a kind of endoscope has been described, it has used the sleeve of flexible inflatable, and before expanding, described sleeve remains in the dispenser (dispenser).In order to protect endoscope not contaminated, sleeve is provided thereon in such a way, and promptly it covers insertion tube, sweep and probe.Unfortunately, this measure has reduced the navigability of sweep, because when expanding, sleeve provides some rigidity for sweep.Therefore, endoscope is advanced the difficulty more that becomes at colonic, and the operation of endoscope is inconvenient more.
Summary of the invention
The purpose of this invention is to provide a kind of new-type and improved endoscope, it uses expandable sleeve to be used to make it to advance at colonic.Endoscope of the present invention is subjected to adequately protecting not contaminated, because expandable, removable sleeve covers insertion tube, sweep and probe.Simultaneously, be positioned at the back of sweep by making telescopic folded part, the navigability of sweep is not damaged.In order to understand the present invention and its advantage better, below in conjunction with accompanying drawing and with reference to its description of embodiment.
Description of drawings
Fig. 1 shows the general view that endoscope apparatus is preferably colonoscopic apparatus of the present invention and its critical piece.
Fig. 2 a and 2b are vertical views, thereby and have schematically shown endoscope of the present invention and how to be inflated sleeve and to promote to advance at colonic.
Fig. 3 is vertical view, and wherein part disconnects, and shows the fixing and sealing device that is used for sleeve is connected to insertion tube.
Fig. 4 is a zoomed-in view, and part is dissectd and part disconnects, and shows an embodiment of fixing and sealing device.
The specific embodiment
With reference to figure 1, colonoscopic apparatus 10 of the present invention is depicted as the following critical piece with it.Described device comprises the endoscope with insertion tube, and the proximal portion 12 of insertion tube is connected to operating grip 14, and the extremity 16 of insertion tube is inserted in the removable dispenser 18 and therefrom stretches out.Find among the PCT/IL03/00661 that an example of the dispenser that is fit to and the description of its function can be quoted in the above.
The extremity that should be kept in mind that endoscope is provided with and is used to handle that curvature section of endoscope divides and probe, and described probe finishes by the optical head that is fit in its most forward end, and described optical head makes it possible to see colon inside.It can also be seen that in Fig. 1 sleeve covers the extremity that stretches out of endoscope.Appreciable telescopic extremity comprises forward nondistensible part 17 and rear portion folded part 15 in Fig. 1.Described anterior curvature section of endoscope branch and its optical head of covering will be described below in more detail.When endoscope when colonic advances, can not expand in telescopic front portion.The rear portion covers insertion tube, and described rear portion expansion when air or one other fluid medium offer sleeve.By this set, endoscope is advanced at colonic by sleeve.The description of this phenomenon can be found in the above referred-to references.Endoscope of the present invention is a similar type, because it has used identical propulsive mechanism, described propulsive mechanism is based on the expansible basis of flexible sleeve of the extremity that is connected to endoscope.Endoscope of the present invention is a similar type, is that also it has used removable sleeve, and this protection endoscope is not contaminated.
Yet should emphasize that endoscope of the present invention is not limited only to colonoscope.It can be used in any other need will be used for the inner medical procedure of having a physical examination in the probe insertion body passage.
It can also be seen that from Fig. 1 operating grip is connected to control device 22 by the umbilical duct 20 that is fit to, control device 22 is provided with compressed gas source, is used to make sleeve expansion and ventilation.Though do not specifically illustrate, will be understood that control device comprises suitable solenoid, be used to start the hose valve and the suction tube that are used for the sky G﹠W, described suction tube passes along umbilical duct.Storage tank 24 is arranged near the control device 20, and storage tank 24 is filled with water, and water can be provided under the effect of pressure and is used for flushing in the colon.
Though be not shown specifically, should be kept in mind that various devices are arranged in the insertion tube, it is necessary that described device correctly plays a role for endoscope.These devices are known in the art.In these devices, should be mentioned that vertebra shape structure (vertebrae) and band rope, they can be by stick control, and should be mentioned that channelled work runner or so-called multi-lumen tube (multilumen), described passage are used to supply water and wash or be used to provide vacuum to aspirate.Described multi-lumen tube also is provided with the passage that is used for surgical instrument is introduced colon, and this may need in endoscopic procedure.Multi-lumen tube is passed endoscope and is passed handle and extends to electrical connector 26, and described device 26 is connected to control device and storage tank with it.
In Fig. 2 a, show the body passage extremity of the endoscope in the colon for example that inserts patient.The proximal portion 12 of removable dispenser 18 and endoscope remains on the outside of body passage.Special-purpose outer 30 can support the rearmost part of extremity, for example described in International Patent Application PCT/IL2004/000372.By this set, can realize the operation more easily of endoscope.
Below with reference to Fig. 2 a, 2b, as can be seen, the extremity 16 of endoscope extends along colon 32.Extremity comprises probe segment 34, and probe segment 34 is provided with photographic head 36, and photographic head 36 matches with illuminator and viewing optical system (not shown), and described illuminator and viewing optical system are for seeing that colon inside is necessary.Extremity also comprises sweep 38, and described sweep 38 is positioned at the back of probe segment.In addition, extremity comprises the most forward zone of insertion tube 40.
Flexible sleeve 42 is around whole length of extremity.The biocompatible plastic material of sleeve utilization flexibility is made, polyamine for example, and having preferably approximately is 20 microns thickness.As can be seen, the nondistensible part 17 in telescopic front portion covers sweep and probe, and the folded part 15 at telescopic rear portion only covers the most forward zone of insertion tube.But telescopic folded part is set to the foldable and contractile type structure, and when pressure offers sleeve, and folded part begins to launch, and because unfolded expansion area reduces its length, described expansion area is represented with Reference numeral 44.In Fig. 2 b, how endoscope is pushed propelling in body passage when sleeve expansion thereby show.As can be seen, expansion area has increased its length, with Reference numeral 46 expressions.
Yet should be kept in mind that because folded part is positioned at the back of sweep, so sleeve always keeps tightening around sweep, and therefore do not damage the navigability of sweep.
Be otherwise noted that sleeve always keeps tightening around probe, it almost increases the external diameter of probe, and therefore endoscope is inserted in patient's the health and can carry out more easily, and can not cause discomfort to patient.
With reference to figure 3, it shows the amplifier section of extremity 16, and it is by being schematically shown to being in such position, promptly is provided for that sleeve and it begin to launch and position when expanding when pressure.As can be seen, telescopic dilation 44 is around the most forward zone of insertion tube 40.Show the operation and the necessary various devices of function for it of endoscope.In those devices, the vertebra shape structure 48 of sweep 32 is for example arranged.Vertebra shape structure is connected to cable 50, and cable 50 matches with drag-line 52 and is used to operate vertebra shape structure.In addition, in those devices, should be mentioned that: the photographic head 36 that is connected to cable 54, cable 54 is used for powering to photographic head, have the guide channel 56 of service aisle 58, service aisle 58 can be inserted in the guide channel, is used to provide the pipe 60 that makes the needed air of sleeve expansion.
It also shows the most forward telescopic end finishes to cover 62, and sleeve for example is connected to described cover 62 hermetically by spring seals 64.Though it does not specifically illustrate, should be appreciated that cover 62 is provided with transparency window, illumination light can be propagated by described transparency window, thus the viewing optical system of photographic head can be observed the inside of body passage.
Be provided with outer side panel element 66, element 66 is around inner liner element 68, and spacer element 68 is arranged on the insertion tube.Telescopic folded part remains in the annular space
Figure C200580014946D0010090942QIETU
. described annular space is between outer side panel element and inner liner element.Finish with annular convex shoulder 70 at the rear portion of side panels, and convex shoulder 70 makes: in case pressure is supplied to sleeve by the air supply pipe, telescopic folding part branch launches above convex shoulder.By this set, telescopic expansion takes place in organized mode, for example twines reposefully and not.Inner liner and side plate are configured to the cylinder of thin-walled, utilize plastic material to make, thereby make their wall have flexibility, and make their thickness keep minimum simultaneously, and this is for keeping sleeve and preventing that the winding in expansion process from being necessary.In practice, the wall thickness of side panels and spacer element is approximately tens of microns.
O shape ring 72 or any other be suitable for the connecting device that plays a role as Packing spring with the front sealing of side panels be fixed on the retaining ring 74.Retaining ring closely is landed on the adapter ring 76.Thereby retaining ring is detachably coupled to adapter ring 76 by the buckle connection, and adapter ring 76 is arranged on the insertion tube of sweep back.The groove 78 of at least two elongations is formed on the excircle of adapter ring, described groove horizontal expansion.Groove is used for and corresponding protuberance 80 snap engagement, and described protuberance 80 stretches out from the circumference towards inside of retaining ring, and protrudes towards groove.
When endoscopic procedure finished, endoscope extracted out from body passage, and broke away from from sleeve.If the operator manually reverses insertion tube together with adapter ring, can realize described disengaging easily.By the groove 78 of transverse extension, the relative rotary motion between protuberance and the groove allows, and break away from groove and no longer buckle combination up to protuberance, and insertion tube can separate from sleeve.
Adapter ring is furnished with inlet 82, and inlet 82 is configured between the groove of elongation, is communicated with thereby flow with air supply pipe 60.
The surface towards the outside of retaining ring 74 is provided with annular recess, and described recess is applicable to the configuration of O shape ring 72.By this set, side panels and retaining ring sealed engagement.Because O shape ring is expressed to the annular recess of retaining ring with flexible sleeve 42, so the space between side panels and the spacer element is sealed, so air can be towards telescopic anterior 17 diffusions, and it can not expand.Retaining ring 74 is furnished with annular groove 84 equally, and groove 84 is admitted sealing ring 86 therein, and sealing ring 86 is arranged on the top of adapter ring 76.By this set, sealing setting is provided, this prevents air 17 diffusions towards the front portion between retaining ring and adapter ring, therefore prevents telescopic forward expansion once more.
Should think easily that above-mentioned anchoring and sealing mechanism are very simple.This mechanism can be detachably coupled to insertion tube with sleeve, and prevents telescopic anterior the expansion.
Below with reference to Fig. 4, wherein show an embodiment of anchoring and sealing mechanism.In this embodiment, represent with identical Reference numeral with embodiment components identical shown in Figure 3.These elements comprise telescopic forward nondistensible part 17, probe segment 32, sweep 38, insertion tube 40, the adapter ring 76 with air intake 82, side panels 66, telescopic folded part 15 and telescopic dilation 44.Yet in contrast with the previous embodiment, it also comprises inner liner element 68, and this spacer element is provided with the projection of widening 88, and projection 88 is around adapter ring 76.Projection is furnished with protuberance 90, and protuberance 90 is applicable to and is formed on the corresponding transverse concave groove snap engagement on the excircle of adapter ring.By this set, sleeve can detachably be connected to adapter ring.
Spacer element is provided with forward annular convex shoulder 92, and convex shoulder 92 is furnished with little projection 94, is used for engaging with the afterbody 96 of retaining ring 98.The retaining ring of this retaining ring and the foregoing description is similar, with the excircle sealing setting of adapter ring.Yet in contrast with the previous embodiment, retaining ring is not provided for the protuberance that engages with adapter ring.The circumferential configuration towards the outside of retaining ring becomes to have sloping portion 100 and cylindrical section 102.By this set, telescopic folded part 15 converges with nondistensible part 17 smoothly.
Afterbody and annular convex shoulder are constructed and design size in such a way, and promptly annular space 104 is arranged between them.Sealing ring 106 is set, and sealing ring 106 is received in this annular space, and makes telescopic deploying portion and air insulated, and air can enter between spacer element and the retaining ring.
Retainer ring 108 is set, and retainer ring 108 closely is engaged in the excircle of convex shoulder 92, and it is expressed to afterbody 98, therefore whole assembly is fixed together.What sleeve passed convex shoulder 92 arrives nondistensible part 17 from folded part 15 towards the circumference of outside and retainer ring 108 between the circumference of inside.
The most forward end of convex shoulder is furnished with annular incision 110, is used for admitting the sealing ring (not shown) therein, so that telescopic nondistensible part and air insulated, air can enter between convex shoulder and the retainer ring.
Therefore, the fixing and sealing of embodiment shown in Figure 4 is provided with permission sleeve detachably is connected to insertion tube.Simultaneously, this mechanism prevents telescopic anterior the expansion, and does not therefore damage the navigability that curvature section of endoscope divides.
Similar to the above embodiments, if air intake 82 will be favourable between the groove of adapter ring.Yet will be understood that described inlet can be positioned at any other position, as long as its position prevents that air is near telescopic front portion.
Will be understood that, the invention is not restricted to the foregoing description, and can change, and without departing from the scope of the invention, those of ordinary skill in the art can modify, scope of the present invention limits in claims.
When with in the claim below the time, term " comprises ", the implication of " comprising ", " having " and their corresponding term is " including but not limited to ".
Will be understood that disclosed feature in explanation and/or following claim and/or the accompanying drawing above individually or arbitrarily in combination, is to be used for realizing in a variety of forms material of the present invention.

Claims (19)

1. endoscopic device (10) that is used for body passage (32), described device comprises soft endoscope and sleeve, described endoscope has insertion tube, described insertion tube has extremity (16) and proximal portion (12), described extremity comprises sweep (38) and probe segment (34), described sweep (38) is furnished with vertebra shape structure (48) and is used for handling endoscope in body passage, probe segment (34) is furnished with photographic head (36) and is used to see body passage inside, described probe segment (34) is positioned at the far-end of described extremity (16), and described sweep (38) is positioned near it with respect to probe segment (34), wherein said sleeve is around extremity (16), and the nondistensible part (17) and the contiguous expandable portion (15) that comprise the distally, described expandable part (15) has fold domain and spreading area (44), wherein said fold domain can be launched when expanding and outwards be carried, increase the length of spreading area (44) simultaneously, wherein spreading area keeps static substantially with respect to body passage (32), it is characterized in that, at least a portion of described sweep (38) and probe segment (34) is covered by nondistensible part (17), wherein said nondistensible part (17) and expandable portion (15) seal isolation, thus always keep tightening.
2. device as claimed in claim 1 is characterized in that described sleeve is detachably coupled to insertion tube.
3. device as claimed in claim 2, it is characterized in that, described sleeve is attached to insertion tube by anchoring and sealing mechanism, when splanchnoscopy begins, described mechanism allows described sleeve is connected to described insertion tube, and when splanchnoscopy finished, described mechanism allowed described sleeve is separated from described insertion tube.
4. device as claimed in claim 3 is characterized in that, described anchoring and sealing mechanism seal described telescopic nondistensible part (17) and prevent to expand.
5. device as claimed in claim 4 is characterized in that, described probe segment (34) also comprises cover (62), and the most forward end of wherein nondistensible part (17) is connected to described cover.
6. device as claimed in claim 5 is characterized in that, described cover (62) comprises transparency window, and photographic head (36) can be observed the inside of body passage by described transparency window.
7. device as claimed in claim 6, it is characterized in that, described insertion tube comprises inner liner element (68) and outer side panel element (66), described side panels centers on spacer element to limit the annular space between spacer element and the side panels, the described fold domain of wherein said expandable portion (15) remains in the annular space, and outwards carries from it.
8. device as claimed in claim 7 is characterized in that, described side panels (66) is made by plastic material.
9. device as claimed in claim 7, it is characterized in that, described anchoring and sealing mechanism also comprise adapter ring (76), described adapter ring can be fixed near the insertion tube of sweep (38), and described anchoring and sealing mechanism also comprise retaining ring (74), described retaining ring detachably connects with described adapter ring (76), and described side panels (66) is fixed on the retaining ring (74).
10. device as claimed in claim 9 is characterized in that, described side panels (66) is fixed on the retaining ring (74) by Packing spring (72).
11. device as claimed in claim 9 is characterized in that, described retaining ring (74) connects with adapter ring (76) by buckle and connects.
12. device as claimed in claim 11 is characterized in that, described adapter ring (76) comprises groove (78), and described retaining ring (74) comprises corresponding protuberance (80), described protuberance can with described groove snap engagement.
13. device as claimed in claim 11 is characterized in that, described adapter ring (76) is provided with inlet (82), and described inlet flows with air supply pipe (60) and is communicated with.
14. device as claimed in claim 13 is characterized in that, described inlet (82) is positioned between the groove (78).
15. device as claimed in claim 9 is characterized in that, described retaining ring (74) and adapter ring (76) sealed engagement.
16. device as claimed in claim 7, it is characterized in that, described anchoring and sealing mechanism also comprise retaining ring (98) and adapter ring (76), adapter ring can with described retaining ring (98) sealed engagement, wherein said retaining ring (98) and described side panels (66) detachably connect.
17. device as claimed in claim 16 is characterized in that, described adapter ring (76) comprises groove, and described spacer element (68) comprises corresponding protuberance (90), described protuberance can with described groove snap engagement.
18. device as claimed in claim 17 is characterized in that, described spacer element (68) comprises convex shoulder part (92), described convex shoulder part can with adapter ring (76) sealed engagement.
19. device as claimed in claim 17 is characterized in that, described anchoring and sealing mechanism also comprise retainer ring (108), described retainer ring can with convex shoulder part (92) sealed engagement.
CNB2005800149462A 2004-05-13 2005-04-21 Endoscopic apparatus provided with inflatable propelling sleeve Expired - Fee Related CN100500080C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57060704P 2004-05-13 2004-05-13
US60/570,607 2004-05-13

Publications (2)

Publication Number Publication Date
CN1950022A CN1950022A (en) 2007-04-18
CN100500080C true CN100500080C (en) 2009-06-17

Family

ID=34968396

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800149462A Expired - Fee Related CN100500080C (en) 2004-05-13 2005-04-21 Endoscopic apparatus provided with inflatable propelling sleeve

Country Status (8)

Country Link
EP (1) EP1755439A1 (en)
JP (1) JP2007536977A (en)
CN (1) CN100500080C (en)
AU (1) AU2005244405A1 (en)
BR (1) BRPI0511083A (en)
CA (1) CA2566404A1 (en)
RU (1) RU2006137469A (en)
WO (1) WO2005110204A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007122605A2 (en) 2006-04-24 2007-11-01 Stryker Gi Ltd. Endoscope sleeve dispenser
WO2008093322A2 (en) 2007-01-31 2008-08-07 Stryker Gi Ltd. Endoscope stand
US8550986B2 (en) * 2009-09-17 2013-10-08 Fujifilm Corporation Propellable apparatus with active size changing ability
US9986893B2 (en) 2009-12-15 2018-06-05 Cornell University Method and apparatus for manipulating the side wall of a body lumen or body cavity so as to provide increased visualization of the same and/or increased access to the same, and/or for stabilizing instruments relative to the same
US10149601B2 (en) 2009-12-15 2018-12-11 Lumendi Ltd. Method and apparatus for manipulating the side wall of a body lumen or body cavity so as to provide increased visualization of the same and/or increased access to the same, and/or for stabilizing instruments relative to the same
US11877722B2 (en) 2009-12-15 2024-01-23 Cornell University Method and apparatus for manipulating the side wall of a body lumen or body cavity
WO2011084490A1 (en) 2009-12-15 2011-07-14 Cornell University Method and apparatus for stabilizing, straightening, or expanding the wall of a lumen or cavity
US10485401B2 (en) 2009-12-15 2019-11-26 Lumendi Ltd. Method and apparatus for manipulating the side wall of a body lumen or body cavity so as to provide increased visualization of the same and/or increased access to the same, and/or for stabilizing instruments relative to the same
CN102058385B (en) * 2011-02-11 2012-10-17 迟伟林 Folding anoscope
CN102058386B (en) * 2011-02-11 2012-10-17 迟伟林 Handle collapsible anoscope
CN102258360B (en) * 2011-04-25 2012-12-12 迟伟林 Medical anoscope
JP5941753B2 (en) * 2012-05-28 2016-06-29 富士フイルム株式会社 Electronic endoscope apparatus, imaging module, and imaging lens molding method
US10548631B2 (en) * 2016-03-04 2020-02-04 Boston Scientific Scimed Inc. Introducer with expandable capabilities
US20210282626A1 (en) * 2017-02-22 2021-09-16 Cornell University Method and apparatus for manipulating the side wall of a body lumen or body cavity so as to provide increased visualization of the same and/or increased access to the same, and/or for stabilizing instruments relative to the same
CN116448776A (en) * 2023-04-19 2023-07-18 衢州市特种设备检验中心 Device and method for detecting endoscope of in-use equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398670A (en) * 1993-08-31 1995-03-21 Ethicon, Inc. Lumen traversing device
IL128286A (en) * 1999-01-29 2004-01-04 Sightline Techn Ltd Propulsion of a probe in the colon using a flexible sleeve
US6702735B2 (en) * 2000-10-17 2004-03-09 Charlotte Margaret Kelly Device for movement along a passage
JP2005535403A (en) * 2002-08-15 2005-11-24 サイトライン テクノロジーズ リミテッド Endoscope sleeve dispenser

Also Published As

Publication number Publication date
EP1755439A1 (en) 2007-02-28
CA2566404A1 (en) 2005-11-24
AU2005244405A1 (en) 2005-11-24
JP2007536977A (en) 2007-12-20
CN1950022A (en) 2007-04-18
BRPI0511083A (en) 2007-12-26
WO2005110204A1 (en) 2005-11-24
RU2006137469A (en) 2008-06-20

Similar Documents

Publication Publication Date Title
CN100500080C (en) Endoscopic apparatus provided with inflatable propelling sleeve
US6988988B2 (en) Endoscopic inspection using a flexible sleeve
EP1315445B1 (en) Double sleeve endoscope
US20060252989A1 (en) Endoscopic apparatus provided with inflatable propelling sleeve
US20060183974A1 (en) Endoscope With Improved Maneuverability
CA2552203C (en) Pressure-propelled system for body lumen
US20050256373A1 (en) Disposable set for use with an endoscope
CN101106933A (en) Endoscope with protective sleeve
US20060271095A1 (en) Apparatus and method of maintaining insufflation
JP2007536980A (en) Connector for use with multi-lumen piping
US20070249902A1 (en) Dispenser
KR20070018947A (en) Endoscopic apparatus provided with inflatable propelling sleeve
KR20140137581A (en) Endoscopic apparatus provided with inflatable propelling sleeve
KR101105218B1 (en) Pressure-propelled system for body lumen

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090617

Termination date: 20100421