US20180310816A1 - Scope warming device - Google Patents
Scope warming device Download PDFInfo
- Publication number
- US20180310816A1 US20180310816A1 US15/966,370 US201815966370A US2018310816A1 US 20180310816 A1 US20180310816 A1 US 20180310816A1 US 201815966370 A US201815966370 A US 201815966370A US 2018310816 A1 US2018310816 A1 US 2018310816A1
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- United States
- Prior art keywords
- lens
- cylindrical tube
- instrument
- protrusion
- optical instrument
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Classifications
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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
- A61B1/12—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
- A61B1/127—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 with means for preventing fogging
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
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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
- A61B1/00131—Accessories for endoscopes
-
- 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
- A61B1/121—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 post-use
-
- 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
- A61B1/313—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 introducing through surgical openings, e.g. laparoscopes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
-
- 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
- A61B1/00002—Operational features of endoscopes
- A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
Abstract
A warming device (30) for warming the lens portion (2) of an optical instrument (I), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an intemal wall (3 b), and an external wall (3 a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.
Description
- Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference under 37 CFR 1.57. This application is a continuation of U.S. application Ser. No. 14/746,518, filed Jun. 22, 2015, which is a continuation application of U.S. application Ser. No. 10/599,584, now U.S. Pat. No. 9,060,676, filed Oct. 18, 2007, which is a National Phase Application of PCT International Application No. PCT/NZ05/00069, filed Apr. 5, 2005, which claims priority to New Zealand Application No. 532195, filed Apr. 5, 2004, each of which is hereby incorporated by reference in its entirety.
- This invention relates to a lens warming and cleaning device and particularly but not solely to the warming and cleaning of the distal portion of an optical instrument such as a laparoscope prior to insertion into a body cavity to prevent lens fogging.
- A number of products are known in the art for warming and cleaning the distal portion of a laparoscope prior to insertion into a body cavity, thereby preventing the lens incorporated at the distal portion of the laparoscope from fogging when the laparoscope is first inserted into a patient thus obstructing the surgeon's view of the patient's internal organs. This fogging is caused as a result of moisture condensing on the laparoscope lens. The lens temperature is below the dew point temperature of the insufflation gas that is pumped into the patient in order to increase the surgeon's work space within the body cavity. The gas temperature is approximately 37° C. as the human body will humidify the gas to approximately 100% relative humidity and raise the gas temperature to body temperature causing micro-droplets of water to condense on the colder laparoscope lens.
- WO01/60239 of the University of Massachusetts discloses a lens warming and cleaning device to warm and clean the lens at the distal portion of an optical instrument such as a laparoscope. The lens warming and cleaning device includes a heat conducting tube sized and shaped to receive the lens portion of the laparoscope, a heating element thermally coupled to the exterior of the heat conducting tube and a cleaning member disposed within the conducting tube. The preferred heating element is a heating pad that includes a flexible, air-permeable outer bag that encases a chemical mixture. The chemical mixture when activated generates an exothermic reaction thereby generating sufficient heat to warm the laparoscopic lens to between 45° and 60° C. The cleaning member disclosed is a sponge inserted into the distal end of the heat conducting tube which is moistened with a saline solution plus an additive such as an anti-fogging additive or surfactant. The warming and cleaning device is self-contained and does not require power to operate. The exothermic heating pad can provide sufficient heat for up to six hours or more and needs to be replaced after one operating procedure whilst the remainder of the equipment is sterilized for re-use.
- U.S. Pat. No. 6,234,635 issued to Michael R. Seitzlinger and David Platts discloses an apparatus for maintaining a region of the proximal lens of a laparoscope at a temperature greater than ambient to prevent lens fogging during use. The heating device is a pre-sterilized chemical heat pack which when activated, is attached in the region of the proximal lens end of the laparoscope for the duration of the operating procedure thereby ensuring the lens temperature is maintained to above ambient. The heating device is disposable. However with the device attached to the region of the laparoscope proximal lens the extra weight in this region would modify the balance of the equipment in use.
- In U.S. Pat. No. 5,549,543 issued to Il G. Kim a defogging apparatus for heating and maintaining the lens and end portion of a laparoscope to above ambient temperature is disclosed. The apparatus includes an internal water filled receptacle for receiving the lens and laparoscope end portion surrounded by a second water filled container mounted onto a heating plate. The heating plate includes a temperature control mechanism which ensures the water in the inner receptacle and outer container is maintained at a constant temperature. Whilst providing an effective and controlled heating device the equipment requires a power source to operate thereby reducing portability and the receptacles must undergo sterilization procedures prior to use.
- It is an object of the present invention to provide a lens warming and cleaning system for warming the lens temperature above ambient which goes some way to overcoming the abovementioned disadvantages in the prior art or will at least provide the industry with a useful choice.
- It is a further object of the invention to provide a lens warming device which is disposable and portable within an operating environment.
- Accordingly, in a first aspect the present invention consists in a warming device capable of warming the distal portion of an optical instrument including a lens portion comprising:
- a double walled cylindrical tube having an internal wall, external wall, upper surface and open distal portion with central cavity there between,
- a protrusion extending from said upper surface, sized and shaped to receive the lens portion of said optical instrument,
- a circular cap sized to attach to said distal portion of said double walled cylindrical tube,
- an insulation layer between said internal wall and said external wall of said double walled cylindrical tube, and
- a heating element enclosed within said central cavity and thermally coupled to said insulation layer.
- In a second aspect the present invention consists in a warming device capable of warming the distal portion of an optical instrument such as a laparoscope comprising:
- a double walled cylindrical tube having an internal wall, external wall, upper surface and open distal portion with central cavity there between,
- a protrusion extending from said upper surface, sized and shaped to receive the lens portion of said optical instrument,
- a circular cap sized to attach to said distal portion of said double walled cylindrical tube,
- an insulation layer between said internal wall and said external wall of said double walled cylindrical tube, and
- a material coating said central circular protrusion.
- In a third aspect the present invention consists in a warming device capable of warming the distal portion of an optical instrument such as a laparoscope comprising:
- a double walled cylindrical tube having an internal wall, external wall, upper surface and open distal portion with central cavity there between,
- a protrusion extending from said upper surface sized and shaped to receive the lens portion of said optical instrument,
- a circular cap sized to attach to said distal portion of said double walled cylindrical tube,
- an insulation layer between said internal wall and said external wall of said double walled cylindrical tube,
- a material coating said protrusion, and
- an input and an output gas tubing connector attached to said double walled cylindrical tube such that in use at least heated insufflation gas is passed through said device thereby warming said central cavity.
- In a fourth aspect the present invention consists in an apparatus for calibrating an optical instrument whilst warming the distal portion of an optical instrument such as a laparoscope comprising:
- a double walled cylindrical tube having an internal wall, external wall, upper surface and open distal portion with central cavity there between,
- a protrusion extending from said upper surface sized and shaped to receive the lens portion of said optical instrument,
- a circular cap sized to attach to said distal portion of said double walled cylindrical tube,
- an insulation layer between said internal wall and said external wall of said double walled cylindrical tube,
- a whitening block inserted into the distal portion of said protrusion, and
- a heating element enclosed within said central cavity and thermally coupled to said insulation layer.
- This invention consists in the foregoing and also envisages constructions of which the following gives examples.
- Preferred forms of the present invention will now be described with reference to the accompanying drawings.
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FIG. 1 is a cross-section of the insulated medical lens warming device of the present invention. -
FIG. 2 is a perspective view of the handle clip attached to the insulated lens warming device ofFIG. 1 . -
FIG. 3 is an exploded view of the insulated lens warming device ofFIG. 1 . -
FIG. 4 is a cross-section of a second form of the insulated lens warming device of the present invention. -
FIG. 5 is a cross-section of a third form of the insulated lens warming device of the present invention. -
FIG. 6 is a perspective view of the insulated lens warming device ofFIG. 5 . -
FIG. 7 is a cross-section of a fourth form of the insulated lens warming device of the present invention. -
FIG. 8 is a perspective view of the insulated lens warmer ofFIG. 7 . -
FIG. 9 is a cross-section showing the use of a flexible grommet attached to the insulated lens warming device upper surface of another embodiment of the present invention. - The present invention provides a warming device capable of warming the lens portion of an optical instrument, such as a laparoscope, to a temperature above ambient to prevent lens fogging and a means of cleaning the lens during a surgical procedure to remove any biological matter that may adhere to the lens. The lens warming device is self-contained and does not require the attachment of any power source thereby making the device portable for use anywhere within the surgical operating environment.
- In particular a lens warming device is described which provides a means for warming the lens portion of an optical instrument to a temperature above ambient temperature for a prolonged period. At any stage during the operating procedure where the surgeon has to withdraw the laparoscope from the body cavity the lens portion is reinserted into the lens warmer to maintain the lens portion temperature above ambient and where a cleaning member is disposed at the distal end of the lens warming device, the lens will be cleaned on contact with the cleaning member. At the end of the operating procedure the lens warming device may be disposed of thereby potentially eliminating the requirement for the equipment to undergo autoclave or other sterilization procedures.
- It will be appreciated that the lens warming device as described in the preferred embodiment of the present invention can be used for many forms of surgical optical instruments generally but will now be described below with reference to the surgical optical instrument being a laparoscope.
- With reference to
FIGS. 1 and 3 , a laparoscope distal portion 1 having alens 2 at the distal end is shown inserted into the insulatedlens warming device 30 of the present invention. The insulatedlens warming device 30 is preferably constructed of a thermoplastic or thermoset plastics material such as ABS, polyethylene or other appropriate material. The insulatedlens warming device 30 is a double walled cylindrical tube 3 a and 3 b withcentral cavity 4, having an opendistal portion 7 to which acircular cap 5 is attached by ultrasonic welding, friction fit, snap fit or other appropriate fastening known in the art. Between the inner 3 b and outer walls 3 a of the double walledcylindrical tube 3 is aninsulation layer 6 comprising air. Theproximal end 8 of the double walledcylindrical tube 3 is closed and has aprotrusion 9 extending into thecentral cavity 4 towards thedistal end 7 of the double walledcylindrical tube 3, sized and shaped to receive thelens portion 2 of the optical instrument 1. Theprotrusion 9 is preferably a cylindrical protrusion located about the central portion of theproximal end 8 of the double walledcylindrical tube 3. Thecentral cavity 4 is filled with aconductive heating element 15 such as water, saline solution, wheat, oat or barley grass grains, rice, or other appropriate heat conducting material, prior to permanently fitting thecircular cap 5 to thedistal end 7 of the double walledcylindrical tube 3. - A
non-woven cleaning member 12 made from acrylic, polypropylene or other appropriate filter type material may be disposed at the distal end 14 of thecylindrical protrusion 9 such that when thelens portion 2 of the laparoscope 1 is inserted into thecylindrical protrusion 9, thelens portion 2 contacts the cleaningmember 12. A similar cleaning member may be provided in anyone of the embodiments of the lens warming device as described herein. - As shown in
FIG. 9 , thelens warming device 39 may have aflexible grommet 40 made from a plastics based material such as silicon attached at theproximal end 41 of the cylindrical protrusion 42. Theflexible grommet 40 enables optical instruments 1 of differing sizes to be inserted into the cylindrical protrusion 42 whilst providing a degree of support for the optical instrument 1. Alternatively or in combination with theflexible grommet 40, the cross-section of the cylindrical protrusion 42 may comprise a plurality of decrementing steps extending from the proximal 41 to the distal portion. This will provide increased support for the optical instrument 1 when it is inserted into the insulatedlens warming device 39. Thelens warming device 39 is of a similar double cylindrical construction as described above with reference toFIG. 1 . - With reference to
FIG. 2 the insulatedlens warming device 30 may have a handle 11 of preferably L-shaped configuration, attached to theupper surface 8 of the insulatedlens warming device 30. The handle 11 is preferably an integral part of the insulatedlens warming device 30 formed during the plastics moulding process however other attachment techniques may be employed such as ultrasonic welding, gluing or other appropriate attachment mechanism. The handle 11 provides a means for transporting the insulatedlens warming device 30 around the operating environment as well as providing a means for removably attaching the insulatedlens warming device 30 to surgical drapes or table. Alternatively, the handle 11 may comprise a handle clip type mechanism which opens and closes such that the insulatedlens warming device 30 can securely grip onto the surgical drapes or table. - Note should be made that any of the embodiments described herein may be provided with a handle as described above in relation to
FIG. 2 . - Prior to use, the insulated
lens warming device 30 is placed in a microwave or other conventional oven type surgical warming device in order to raise the temperature of theheating element 15 to a temperature above ambient body temperature. The cleaningmember 12 may then be inserted toward the distal portion 14 of thecylindrical protrusion 9. Thelens portion 2 of thelaparoscope 2 is then inserted into thecylindrical protrusion 9 such that thelens portion 2 may contact the cleaningmember 12. The thermal energy produced by theheating element 15 warms thelens portion 2 to a temperature above ambient such that thelens portion 2 becomes warm enough to prevent lens condensation on insertion of thelens portion 2 into a body cavity while the cleaningmember 12 may clean thelens portion 2 in preparation for surgical use. - The
insulation layer 6 is in thermal contact with theheating element 15 such that the heating element temperature is maintained for at least the duration of the surgical procedure. Therefore, when thelens portion 2 is removed from the body cavity, it can be re-inserted into the insulatedlens warming device 30 to maintain the temperature of thelens portion 2 to at least above ambient. Also, when the cleaningmember 12 is inserted into thecylindrical protrusion 9 thelens potion 2 may also be cleaned in preparation for reinsertion into the body cavity. - A second embodiment of the insulated
lens warming device 43 of the present invention is shown inFIG. 4 . Here thelens portion 2 of an optical instrument 1 is inserted into the insulated lens warming devicecylindrical protrusion 44. Thewalls 20 of thecylindrical protrusion 44 may be impregnated during the plastics moulding and forming process with a black coloured material such as dye. The insulatedlens warming device 43 is not pre-heated prior to use as the light source emanating from thelens portion 2 of the optical instrument 1 strikes the distal portion 14 of thecylindrical protrusion 44 and being coated black, absorbs the light energy and converts it to thermal energy due to conduction. The thermal energy therefore warms thelens portion 2 of the optical instrument 1 up to above the dew point of the insufflation gas used within the body cavity thus preventing lens fogging. - Alternatively, instead of impregnating the cylindrical protrusion walls with black dye during the plastics moulding and forming process, a removable black plastic moulded
insert 21 of preferably cylindrical cross-section, having a closeddistal end 22 may be inserted into thecylindrical protrusion 44. Theblack insert 21 provides an alternative means of converting light energy into thermal energy due to conduction using the light source emanating from thelens portion 2 of the optical instrument 1. - An insulated lens warming device of the third embodiment of the present invention is shown in
FIGS. 5 and 6 . Thelens warming device 31 here has twogas tubing connectors cylindrical tube 32. The inputgas tubing connector 23 is located towards theproximal portion 33 and the outputgas tubing connector 24 is located towards the distal portion disposed at substantially 180° to each other, penetrate the body of the double walledcylindrical tube 32. Prior to inserting thelens portion 2 of an optical instrument 1 into the body cavity, a gas tube supplying heated and preferably humidified gas from the same source used to insufflate the body cavity, is diverted and attached to the inputgas tubing connector 23 thus inserting at least heated gas into thecentral cavity 34. The resultant thermal energy generated within thecentral cavity 34 raises the temperature up to above the dew point temperature of the gas. The thermal energy generated will increase the temperature within thecylindrical protrusion 35 such that when thelens portion 2 of the optical instrument 1 is inserted into thecylindrical protrusion 35 thelens portion 2 absorbs the thermal energy heating the instrument prior to insertion into the body cavity thus preventing lens fogging. - The gas can exit from the
central cavity 34 via the outputgas tubing connector 24 located towards thedistal portion 36 of the insulatedlens warming device 31. There is no requirement to attach a gas tube to the secondgas tubing connector 24 as the gas is allowed to exit to free air space. - In a fourth embodiment, shown in
FIG. 7 , thelens warming device 37 preferably has awhitening insert 26 disposed at thedistal end 38 of thecylindrical protrusion 45. The whiteninginsert 26 may be inserted into thecylindrical protrusion 45 prior to the insertion of thelens portion 2 of the optical instrument 1. At the beginning of surgery the optical instrument 1 is switched on such that light emanates from the distal portion of the optical instrument 1. Thelens portion 2 is then inserted into the insulatedlens warming device 37. As well as being pre-warmed the light emanating from around the distal portion of the optical instrument 1 strikes thewhitening insert 26 and is reflected back into thelens portion 2 enabling the equipment to be calibrated to ensure bodily tissue appears the correct colour on insertion of the distal portion of the optical instrument 1 into the body cavity. Note, the general construction of thelens warming device 37 is similar to that of that ofFIG. 1 in that thelens warming device 37 has a double walledcylindrical tube construction 46. - The whitening block can be constructed from a thermoset plastics material or a thermoform plastics material. Alternatively, the whitening block can be constructed from a ceramic material. Alternatively, the whitening block can be constructed from a non-woven material or a woven fibrous material.
- Alternatively, as shown in
FIG. 8 acavity 27 may be formed during the plastics moulding process to provide an opening extending from the double walled cylindrical tube outer surface and inner surface, across the distal portion of the cylindrical protrusion (not shown, but similar to 45 inFIG. 7 ) towards the opposite inner surface wall. Hence, aremovable whitening block 28 may be inserted into the double walledcylindrical tube cavity 27 opening such that when thelens portion 2 of a optical instrument 1 is inserted into the insulatedlens warming device 47 the scope can be calibrated and warmed prior to insertion into a body cavity. This is achieved by switching on the optical instrument light source such that thelens portion 2 of the optical instrument 1 receives light reflections off the whitening block 1. Again, the general construction of thelens warming device 47 is similar to that of that ofFIG. 1 in that thelens warming device 47 has a double walledcylindrical tube construction 48.
Claims (26)
1.-21. (canceled)
22. A device configured to receive an optical instrument during a surgical procedure, the device comprising:
a cylindrical tube having a proximal end, a distal end, and a central cavity between the proximal end and the distal end, the central cavity configured to receive the optical instrument;
one or more gas tubing connectors disposed on the cylindrical tube and configured to receive a portion of insufflation gas used to insufflate a body cavity;
wherein the portion of the insufflation gas being diverted into the central cavity raises a temperature of the central cavity above a dew point of the insufflation gas.
23. The device of claim 22 , wherein the cylindrical tube is double walled, the double walled cylindrical tube having an internal wall and an external wall.
24. The device of claim 23 , further comprising an insulation layer between the internal wall and the external wall of the double walled cylindrical tube.
25. The device to claim 24 , wherein the insulation layer comprises air.
26. The device of claim 23 , further comprising a protrusion extending from the proximal end and into the central cavity, the protrusion sized and shaped to receive the optical instrument.
27. The device of claim 26 , wherein the proximal end comprises an upper surface extending from the external wall of the double walled cylindrical tube to the protrusion.
28. The device of claim 26 , wherein the protrusion comprises a plurality of steps of decreasing circumference toward a distal portion of the protrusion to provide enhanced support for the optical instrument when inserted into the device.
29. A device of claim 26 , further comprising flexible grommet surrounding at least a portion of the proximal end, the flexible grommet adapted to enable optical instruments of differing sizes to be inserted into the protrusion.
30. The device of claim 29 , wherein the flexible grommet comprises a plastic material.
31. The device of claim 26 , further comprising a material coating on the protrusion.
32. The device of claim 22 , wherein the one or more gas tubing connectors comprises an input gas tubing connector and an output gas tubing connector attached to the cylindrical tube, the input gas tubing connector configured to receive at least the portion of the insufflation gas.
33. The device of claim 32 , wherein the input gas tubing connector is longitudinally offset from the output gas tubing connector.
34. The device of claim 22 , wherein the portion of the insufflation gas is heated and/or humidified prior to entering the device.
35. The device of claim 22 , wherein the distal end is open.
36. The device of claim 35 , further comprising a circular cap sized to attach to the distal end of the cylindrical tube.
37. The device of claim 22 , further comprising an attachment mechanism attached to the proximal end of the cylindrical tube, the attachment mechanism configured to removably attach the device to a surgical drape or table.
38. The device of claim 37 , wherein the attachment mechanism comprises a handle or a handle clip.
39. The device of claim 22 , wherein the one or more gas tubing connectors are positioned such that the portion of insufflation gas flows distally toward the distal end of the optical instrument.
40. The device of claim 22 , wherein the one or more gas tubing connectors are positioned such that the portion of insufflation gas flows transversely across the optical instrument.
41. An instrument configured to receive a surgical optical instrument, the instrument comprising:
a first cylindrical body having a first end and a second end opposite the first end;
a second cylindrical body positioned at least partially within the first cylindrical body, the second cylindrical body having a first end and a second end opposite the first end;
wherein the second cylindrical body comprises a passage for a heating substance configured to warm the surgical optical instrument to prevent lens condensation.
42. The instrument of claim 41 , wherein the heating substance is a fluid.
43. The instrument of claim 41 , further comprising an insulation layer between the first and second cylindrical bodies.
44. The instrument of claim 43 , wherein the insulation layer comprises air.
45. The instrument of claim 41 , wherein the passage is configured to receive a portion of the insufflation gas used to insufflate a body cavity.
46. The instrument of claim 41 , wherein the portion of the insufflation gas is heated and/or humidified prior to entering the device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/966,370 US20180310816A1 (en) | 2004-04-05 | 2018-04-30 | Scope warming device |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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NZ53219504 | 2004-04-05 | ||
NZ532195 | 2004-04-05 | ||
PCT/NZ2005/000069 WO2005096916A1 (en) | 2004-04-05 | 2005-04-05 | Scope warming device |
US59958407A | 2007-10-18 | 2007-10-18 | |
US14/746,518 US9993146B2 (en) | 2004-04-05 | 2015-06-22 | Scope warming device |
US15/966,370 US20180310816A1 (en) | 2004-04-05 | 2018-04-30 | Scope warming device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/746,518 Continuation US9993146B2 (en) | 2004-04-05 | 2015-06-22 | Scope warming device |
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US20180310816A1 true US20180310816A1 (en) | 2018-11-01 |
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US10/599,584 Active 2031-08-29 US9060676B2 (en) | 2004-04-05 | 2005-04-05 | Scope warming device with whitening element |
US14/746,518 Active US9993146B2 (en) | 2004-04-05 | 2015-06-22 | Scope warming device |
US15/966,370 Abandoned US20180310816A1 (en) | 2004-04-05 | 2018-04-30 | Scope warming device |
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US10/599,584 Active 2031-08-29 US9060676B2 (en) | 2004-04-05 | 2005-04-05 | Scope warming device with whitening element |
US14/746,518 Active US9993146B2 (en) | 2004-04-05 | 2015-06-22 | Scope warming device |
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EP (2) | EP3384825A1 (en) |
JP (2) | JP4776617B2 (en) |
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WO (1) | WO2005096916A1 (en) |
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CN101022759B (en) | 2004-04-05 | 2010-05-26 | 菲舍尔和佩克尔保健有限公司 | Lens warming device |
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WO2009036098A2 (en) * | 2007-09-10 | 2009-03-19 | Lensx Lasers, Inc. | Apparatus, systems and techniques for interfacing with an eye in laser surgery |
US9326667B2 (en) | 2007-10-26 | 2016-05-03 | C Change Surgical Llc | Anti-fogging and cleaning apparatus for medical scopes |
WO2011009834A2 (en) * | 2009-07-22 | 2011-01-27 | Continental Teves Ag & Co. Ohg | Speed sensor |
US8845624B2 (en) | 2010-06-25 | 2014-09-30 | Alcon LexSx, Inc. | Adaptive patient interface |
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EP3384825A1 (en) | 2018-10-10 |
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EP1737336B1 (en) | 2018-06-06 |
WO2005096916A1 (en) | 2005-10-20 |
JP2007531607A (en) | 2007-11-08 |
AU2005230803B2 (en) | 2010-02-25 |
NZ550393A (en) | 2010-03-26 |
EP1737336A1 (en) | 2007-01-03 |
CN101022759A (en) | 2007-08-22 |
CA3011752A1 (en) | 2005-10-20 |
JP5628742B2 (en) | 2014-11-19 |
AU2005230803A1 (en) | 2005-10-20 |
US20080194915A1 (en) | 2008-08-14 |
AU2005230803B8 (en) | 2010-06-24 |
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