CA1084795A - Surgical instrument having self-regulated vapor condensation heating of its cutting edge and method of using the same - Google Patents

Surgical instrument having self-regulated vapor condensation heating of its cutting edge and method of using the same

Info

Publication number
CA1084795A
CA1084795A CA246,550A CA246550A CA1084795A CA 1084795 A CA1084795 A CA 1084795A CA 246550 A CA246550 A CA 246550A CA 1084795 A CA1084795 A CA 1084795A
Authority
CA
Canada
Prior art keywords
chamber
cutting edge
vapor
blade
cutting
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
Application number
CA246,550A
Other languages
English (en)
French (fr)
Inventor
Robert F. Shaw
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.)
Individual
Original Assignee
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
Priority claimed from US05/558,332 external-priority patent/US4206759A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1084795A publication Critical patent/CA1084795A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • 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
    • 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
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • 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
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A61B18/082—Probes or electrodes therefor
    • 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
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • 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
    • A61B2018/00107—Coatings on the energy applicator
    • 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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00666—Sensing and controlling the application of energy using a threshold value

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Surgical Instruments (AREA)
CA246,550A 1975-03-14 1976-02-25 Surgical instrument having self-regulated vapor condensation heating of its cutting edge and method of using the same Expired CA1084795A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/558,332 US4206759A (en) 1970-08-13 1975-03-14 Surgical instrument having self-regulated vapor condensation heating of its cutting edge and method of using the same
US558,332 1975-03-14

Publications (1)

Publication Number Publication Date
CA1084795A true CA1084795A (en) 1980-09-02

Family

ID=24229136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,550A Expired CA1084795A (en) 1975-03-14 1976-02-25 Surgical instrument having self-regulated vapor condensation heating of its cutting edge and method of using the same

Country Status (6)

Country Link
JP (1) JPS51122989A (pt)
BR (1) BR7601565A (pt)
CA (1) CA1084795A (pt)
DE (1) DE2609328C3 (pt)
FR (1) FR2303519A1 (pt)
GB (1) GB1546628A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3515414A1 (de) * 1985-04-29 1986-10-30 Jürgen 2082 Uetersen Rüting Tisch- oder kuechenmesser
DE102015201786A1 (de) * 2015-02-02 2016-08-04 Olympus Winter & Ibe Gmbh Elektrochirurgischer Applikator, elektrochirurgisches System sowie Verfahren zum Betrieb eines elektrochirurgischen Instruments

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768482A (en) * 1972-10-10 1973-10-30 R Shaw Surgical cutting instrument having electrically heated cutting edge

Also Published As

Publication number Publication date
FR2303519B3 (pt) 1979-06-29
DE2609328A1 (de) 1976-09-30
JPS51122989A (en) 1976-10-27
BR7601565A (pt) 1976-09-14
GB1546628A (en) 1979-05-23
DE2609328C3 (de) 1979-07-19
DE2609328B2 (de) 1978-11-23
FR2303519A1 (fr) 1976-10-08

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Legal Events

Date Code Title Description
MKEX Expiry