CA2522696A1 - Therapeutic apparatus having insulated region at the insertion area - Google Patents

Therapeutic apparatus having insulated region at the insertion area Download PDF

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Publication number
CA2522696A1
CA2522696A1 CA002522696A CA2522696A CA2522696A1 CA 2522696 A1 CA2522696 A1 CA 2522696A1 CA 002522696 A CA002522696 A CA 002522696A CA 2522696 A CA2522696 A CA 2522696A CA 2522696 A1 CA2522696 A1 CA 2522696A1
Authority
CA
Canada
Prior art keywords
shaft
inflatable insulation
insertion area
insulation device
tubular member
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.)
Granted
Application number
CA002522696A
Other languages
French (fr)
Other versions
CA2522696C (en
Inventor
David K. Swanson
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.)
Boston Scientific Ltd Barbados
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Individual
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 Individual filed Critical Individual
Publication of CA2522696A1 publication Critical patent/CA2522696A1/en
Application granted granted Critical
Publication of CA2522696C publication Critical patent/CA2522696C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00089—Thermal conductivity
    • A61B2018/00101—Thermal conductivity low, i.e. thermally insulating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A61B2018/0022—Balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/04—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery
    • A61B2090/0463—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery against cooling or freezing

Abstract

Apparatus and methods for insulating tissue during therapeutic procedures.

Claims (33)

1. A device for forming lesions in target body tissue after passing through an insertion area, the device comprising:
a shaft defining a proximal region, a distal region and at least one lumen;
a lesion formation device associated with the distal region of the shaft and operably connected to the lumen; and an inflatable insulation device carried by the shaft such that at least a portion of the inflatable insulation device will be aligned with the insertion area when the lesion formation device is adjacent to the target body tissue.
2. A device as claimed in claim 1, further comprising:
a handle associated with the proximal region of the shaft.
3. A device as claimed in claim 1, wherein the shaft comprises a catheter body.
4. A device as claimed in claim 1, wherein the shaft comprises a relatively short surgical probe shaft.
5. A device as claimed in claim 1, wherein the shaft defines an exterior and the inflatable insulation device is carried on the exterior of the shaft.
6. A device as claimed in claim 1, wherein the inflatable insulation device defines an inflated diameter and a deflated diameter and the inflated diameter is greater than the deflated diameter.
7. A device as claimed in claim 1, wherein the inflatable insulation device extends from the proximal region of the shaft to the distal region.
8. A device for forming lesions in target body tissue after passing through an insertion area, the device comprising:
a shaft defining a proximal region, a distal region and at least one lumen;
a lesion formation device associated with the distal region of the shaft and operably connected to the lumen; and inflatable insulation means, associated with the shaft, for thermally insulating the insertion area from the shaft.
9. A device as claimed in claim 8, further comprising:
a handle associated with the proximal region of the shaft.
10. A device as claimed in claim 8, wherein the shaft comprises a catheter body.
11. A device as claimed in claim 8, wherein the shaft comprises a relatively short surgical probe shaft.
12. A device as claimed in claim 8, wherein the shaft defines an exterior and the inflatable insulation device is carried on the exterior of the shaft.
13. An apparatus facilitating passage of a therapeutic device into a body through an insertion area, the apparatus comprising:
a tubular member defining a proximal end, a distal end, and at least one lumen; and an inflatable insulation device carried by tubular member such that at least a portion of the inflatable insulation device will be aligned with the insertion area when the apparatus is deployed.
14. An apparatus as claimed in claim 13, wherein the tubular member defines an exterior and the inflatable insulation device is carried on the exterior of the tubular member.
15. An apparatus as claimed in claim 13, wherein the tubular member defines an interior and the inflatable insulation device is carried on the interior of the tubular member.
16. An apparatus as claimed in claim 13, wherein the inflatable insulation device defines an inflated diameter and a deflated diameter and the inflated diameter is greater than the deflated diameter.
17. An apparatus as claimed in claim 13, wherein the inflatable insulation device extends from about the proximal end of the tubular member to about the distal end of the tubular member.
18. An apparatus as claimed in claim 13, wherein the tubular member comprises a sheath body.
19. An apparatus as claimed in claim 13, wherein the tubular member comprises an introducer tube.
20. An apparatus as claimed in claim 13, wherein the tubular member comprises a trocar sleeve.
21. An apparatus facilitating passage of a therapeutic device into a body through an insertion area, the apparatus comprising:
a tubular member defining a proximal end, a distal end, and at least one lumen; and inflatable insulation means, associated with the tubular member, for thermally insulating the insertion area from the therapeutic device.
22. An apparatus as claimed in claim 21, wherein the tubular member comprises a sheath body.
23. An apparatus as claimed in claim 21, wherein the tubular member comprises an introducer tube.
24. An apparatus as claimed in claim 21, wherein the tubular member comprises a trocar sleeve.
25. A therapeutic method, comprising the steps of:
positioning at least a portion of an inflatable insulation device in an insertion area;
inflating the insulation device; and performing a therapeutic procedure at a location in spaced relation to the insertion area.
26. A method as claimed in claim 25, wherein the step of performing a therapeutic procedure comprises the steps of:
passing a therapeutic device, including a shaft and a therapeutic element, through the inflatable insulation device prior to inflating the inflatable insulation device; and passing a fluid at a temperature other than body temperature through the shaft to the therapeutic element after inflating the inflatable insulation device.
27. A method as claimed in claim 26, wherein the step of passing a fluid at a temperature other than body temperature through the shaft to the therapeutic element comprises passing cryogenic fluid through the shaft to the therapeutic element.
28. A method as claimed in claim 25, wherein the step of positioning at least a portion of an inflatable insulation device in an insertion area comprises the steps of:
providing a therapeutic device that includes the inflatable insulation device and a therapeutic element; and passing the therapeutic device through the insertion area until at least a portion of the inflatable insulation device is within the insertion area and the therapeutic element is located at the location in spaced relation to the insertion area.
29. A method as claimed in claim 28, wherein the step of performing a therapeutic procedure comprises the steps of:
passing a fluid at a temperature other than body temperature through the therapeutic device after inflating the inflatable insulation device.
30. A method as claimed in claim 29, wherein the step of passing a fluid at a temperature other than body temperature through the therapeutic device comprises passing cryogenic fluid through the therapeutic device.
31. A method as claimed in claim 25, wherein the step of positioning at least a portion of an inflatable insulation device in an insertion area comprises positioning at least a portion of an inflatable insulation device in an insertion area that extends from an exterior skin surface to a body lumen.
32. A method as claimed in claim 25, wherein the step of positioning at least a portion of an inflatable insulation device in an insertion area comprises positioning at least a portion of an inflatable insulation device in an insertion area that extends from an exterior skin surface to a vein.
33. A method as claimed in claim 25, wherein the step of positioning at least a portion of an inflatable insulation device in an insertion area comprises positioning at least a portion of an inflatable insulation device in an insertion area that extends from an exterior skin surface to a chest cavity.
CA2522696A 2003-04-24 2004-02-26 Therapeutic apparatus having insulated region at the insertion area Expired - Fee Related CA2522696C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/423,627 2003-04-24
US10/423,627 US20040215177A1 (en) 2003-04-24 2003-04-24 Therapeutic apparatus having insulated region at the insertion area
PCT/US2004/005678 WO2004096071A1 (en) 2003-04-24 2004-02-26 Therapeutic apparatus having insulated region at the insertion area

Publications (2)

Publication Number Publication Date
CA2522696A1 true CA2522696A1 (en) 2004-11-11
CA2522696C CA2522696C (en) 2012-05-22

Family

ID=33299173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2522696A Expired - Fee Related CA2522696C (en) 2003-04-24 2004-02-26 Therapeutic apparatus having insulated region at the insertion area

Country Status (7)

Country Link
US (5) US20040215177A1 (en)
EP (1) EP1615573B1 (en)
JP (1) JP4523586B2 (en)
AT (1) ATE381297T1 (en)
CA (1) CA2522696C (en)
DE (1) DE602004010798T2 (en)
WO (1) WO2004096071A1 (en)

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WO2004096071A1 (en) 2004-11-11
CA2522696C (en) 2012-05-22
JP4523586B2 (en) 2010-08-11
US8535305B2 (en) 2013-09-17
US7306590B2 (en) 2007-12-11
DE602004010798T2 (en) 2008-12-11
US20060089630A1 (en) 2006-04-27
JP2006524101A (en) 2006-10-26
US20040215177A1 (en) 2004-10-28
US8870859B2 (en) 2014-10-28
ATE381297T1 (en) 2008-01-15
US7306589B2 (en) 2007-12-11
EP1615573A1 (en) 2006-01-18
DE602004010798D1 (en) 2008-01-31
US20080215042A1 (en) 2008-09-04
EP1615573B1 (en) 2007-12-19
US20060089631A1 (en) 2006-04-27
US20140018785A1 (en) 2014-01-16

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