1. An electronic device comprising:
a housing;
a heat generating part in the housing; and
a heat pipe in the housing and sealing a fluid therein, wherein:
the heat pipe further comprises:
a heat receiving unit configured to deprive heat of the heat generating part by gasification of the fluid;
a heat radiating unit configured to release the heat received by the heat receiving unit by liquefying of the fluid;
a vapor flow path configured to couple the heat receiving unit and the heat radiating unit to each other and allows a gasified portion of the fluid to flow from the heat receiving unit towards the heat radiating unit;
a liquid returning flow path provided at a position distant from the vapor flow path, which couples the heat receiving unit and the heat radiating unit to each other and allows a liquefied portion of the fluid to flow from the heat radiating unit towards the heat receiving unit;
a wick configured to return the liquefied portion of the fluid from the heat radiating unit to the heat receiving unit;
a pair of plate members containing the wick therebetween, and attached to each other to make the heat receiving unit, the heat radiating unit, the vapor flow path and the liquid returning flow path annular around the wick; and
a frame unit provided on outer peripheries of the plate members,
wherein:
the wick comprises a main portion and a first projecting portion extending from the main portion, the first projecting portion projecting towards an inside of the heat receiving unit such as to divide the inside of the heat receiving unit into a first portion communicating to the vapor flow path and a second portion communicating to the liquid returning flow path, and
the heat receiving unit is thermally connected to the heat generating part at a position across the first portion and the first projecting portion.
2. The electronic device according to claim 1, wherein the wick comprises a second projecting portion which projects from the first projecting portion to a position where it overlays with the heat generating part, and a thickness of the second projecting portion is a half or less of a thickness of the main portion.
3. The electronic device according to claim 2, wherein the wick comprises a third projecting portion which projects from the main portion to an inside of the heat radiating part, and the third projecting portion projects to a position which partially overlays with a heat sink which promotes heat radiation in the heat radiating unit.
4. The electronic device according to claim 3, wherein:
the liquid returning flow path comprises a first region in which the main portion of the wick is provided and a second region located distant from the main portion, and
the wick comprises a fourth projecting portion projecting from the main portion towards the second region, and a thickness of the fourth projecting portion is a half or less of the thickness of the main portion.
5. The electronic device according to claim 4, wherein the fourth projecting portion projects to a position corresponding to the heat generating part.
6. A heat pipe in which a fluid is sealed, comprising:
a heat receiving unit configured to deprive heat of an external heat generating part by gasification of the fluid;
a heat radiating unit configured to release the heat to an outside received by the heat receiving unit by liquefying of the fluid;
a first flow path configured to couple the heat receiving unit and the heat radiating unit to each other and allows a gasified portion of the fluid to flow from the heat receiving unit towards the heat radiating unit;
a second flow path provided at a position distant from the first flow path, which couples the heat receiving unit and the heat radiating unit to each other and allows a liquefied portion of the fluid to flow from the heat radiating unit towards the heat receiving unit;
a wick configured to return the liquefied portion of the fluid from the heat radiating unit to the heat receiving unit;
a pair of plate members containing the wick therebetween, and attached to each other to make the heat receiving unit, the heat radiating unit, the first flow path and the second flow path annular around the wick; and
a frame unit provided on outer peripheries of the plate members,
wherein:
the wick comprises a main portion and a first projecting portion extending from the main portion, the first projecting portion projecting towards an inside of the heat receiving unit such as to divide the inside of the heat receiving unit into a first portion communicating to the first flow path and a second portion communicating to the second flow path, and
the heat receiving unit is thermally connected to the heat generating part at a position across the first portion and the first projecting portion.
7. The heat pipe according to claim 6, wherein the wick comprises a second projecting portion which projects from the first projecting portion to a position where it overlays with the heat generating part, and a thickness of the second projecting portion is a half or less of a thickness of the main portion.
8. The heat pipe according to claim 7, wherein the wick comprises a third projecting portion which projects from the main portion to an inside of the heat radiating part, and the third projecting portion projects to a position which partially overlays with a heat sink which promotes heat radiation in the heat radiating unit.
9. An electronic device comprising:
a housing;
a heat generating part in the housing; and
a heat pipe in the housing and sealing a fluid therein, heat pipe comprises:
a wick;
a heat receiving unit configured to receive heat from the heat generating part;
a heat radiating unit configured to release to an outside the heat received by the heat receiving unit;
a first flow path extending between the heat receiving unit and the heat radiating unit to allow a gasified portion of the fluid to flow from the heat receiving unit to the heat radiating unit;
a second flow path extending between the heat receiving unit and the heat radiating unit to allow a liquefied portion of the fluid to flow from the heat radiating unit to the heat receiving unit;
a pair of plate members containing the wick therebetween, and attached to each other to make the heat receiving unit, the heat radiating unit, the first flow path and the second flow path annular around the wick; and
a frame unit provided on outer peripheries of the plate members,
wherein:
the wick comprises a main portion and a first projecting portion extending from the main portion, the first projecting portion dividing an inside of the heat receiving unit into a first portion communicating to the first flow path and a second portion communicating to the second flow path, and
the heat receiving unit is thermally connected to the heat generating part at a position across the first portion and the first projecting portion.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-17. (canceled)
18. A surgical access device, comprising:
a sleeve having a distal end and a proximal end; and
a flexible port defining an opening therethrough, the opening configured for sealed reception of a surgical object therethrough, the flexible port including proximal and distal ends, the proximal end of the flexible port having an upper lip and the distal end of the flexible port having a lower lip, the flexible port positionable within the sleeve such that the upper lip of the flexible port is disposed externally of a body cavity, the lower lip of the flexible port is disposed internally of the body cavity, and the proximal and distal ends of the flexible port are disposed between the proximal and distal ends of the sleeve, wherein the flexible port is maintained between the proximal and distal ends of the sleeve by a biasing force exerted by the flexible port on the sleeve.
19. The surgical access device of claim 18, wherein the flexible port has an hourglass shape.
20. The surgical access device of claim 18, wherein the flexible port includes foam.
21. The surgical access device of claim 18, wherein the flexible port defines a plurality of openings therethrough, each opening of the plurality of openings configured for sealed reception of a surgical object.
22. The surgical access device of claim 18, wherein the flexible port includes a compressible material, the flexible port transitionable between a compressed condition and an expanded condition, the flexible port insertable into a retracted body opening while the flexible port is in the compressed condition, the flexible port configured to press against an inner surface of the sleeve to form a seal with tissue that forms the body opening while the flexible port is in the expanded condition and exerting the biasing force on the sleeve.
23. The surgical access device of claim 18, wherein the sleeve includes a first ring supported on the proximal end of the sleeve and a second ring supported on the distal end of the sleeve, wherein the first ring is rollable to shorten a longitudinal length of the sleeve and exert a retraction force against tissue surrounding the sleeve.
24. The surgical access device of claim 18, wherein the opening defined by the flexible port is configured for sealed reception of a trocar cannula.
25. A method for accessing a body cavity, the method comprising:
inserting a sleeve into a body opening;
extending a distal end of the sleeve through the body opening such that the distal end of the sleeve is internally disposed within the body cavity;
positioning a proximal end of the sleeve externally disposed relative to the body cavity;
compressing a flexible port to fit within an opening of the sleeve;
positioning the lower and upper lips of the flexible port between the proximal and distal ends of the sleeve such that a lower lip of the flexible port is internally disposed within the body cavity and an upper lip of the flexible port externally disposed relative to the body cavity; and
expanding the flexible port to exert a biasing force on an inner surface of the sleeve to form a seal against tissue forming the body opening.
26. The method of claim 25, further including advancing a surgical object through an opening defined in the flexible port and into the body cavity.
27. The method of claim 25, further including rolling the proximal end of the sleeve to shorten a longitudinal length of the sleeve.
28. The method of claim 27, wherein rolling the proximal end of the sleeve includes rolling a ring supported on the proximal end of the sleeve.
29. The method of claim 25, further including rolling the proximal end of the sleeve to exert a retraction force against the tissue surrounding the sleeve to retract the body opening.
30. The method of claim 29, wherein rolling the proximal end of the sleeve includes rolling a ring supported on the proximal end of the sleeve.