Interstitial heating of tissue

Details Interstitial heating of tissue Interstitial heating of tissue

1994-08-01

1996-08-13

Sykes, Angela D.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Thermal applicators

607113, 606 28, A61F 712

Patent

active

055451950

ABSTRACT:
An elongated, rigid implement having a sharp distal end is insertable into a solid mass within the body of a living being through a puncture site in the solid mass created by the sharp distal end. An elongated sleeve, which engages the elongated, rigid implement, is insertable into the solid mass through the puncture site in the solid mass. Fluid is provided to an expandable chamber located in the vicinity of a distal end of the elongated sleeve through at least one channel located within the elongated sleeve, to inflate the chamber while the chamber is positioned interstitially within the solid mass. A heating device located within the expandable chamber is powered, through at least one elongated conductor located within the elongated sleeve, to heat fluid within the chamber while the chamber is filled with the fluid and is positioned interstitially within the solid mass. The inflation of the chamber while the chamber is positioned interstitially within the solid mass causes compressive ischemia of tissue surrounding the chamber, and the compressive ischemia of the tissue surrounding the chamber reduces a heat sink effect of the tissue during powering of the heating device.

REFERENCES:
patent: 4955377 (1990-09-01), Lennox et al.
patent: 5006119 (1991-04-01), Acker et al.
patent: 5103804 (1992-04-01), Abele et al.
patent: 5122137 (1992-06-01), Lennox
patent: 5151100 (1992-09-01), Abele et al.
patent: 5292321 (1994-03-01), Lee
patent: 5336222 (1994-08-01), Durgin, Jr. et al.
Akamatsu et al., "Development and Evaluation of a Needle for Percutaneous Ethanol Injection Therapy," 1993, Radiology, vol. 186, No. 1, pp. 284-286.
Babbs et al., "Theoretical Basis for Controlling Minimal Tumor Temperature During Interstitial Conductive Heat Therapy" Jul., 1990, IEEE Transactions on Biomedical Engineering, vol. 37, No. 7, pp. 662-672.
Bales et al., "Initial Outcomes with Cryosurgery in Prostate Cancer Patients Having Failed Radiation Therapy," date unknown.
Cohen et al., "Cryosurgical Ablation of the Prostate (CSAP) as Used in the Patient Who Has Failed Radiation Therapy," date unknown.
Cohen et al., "Cryosurgical Ablation of the Prostate(CSAP) in Patients with Clinical Stage A, B and C Adenocarcinoma of the Prostate; Outcomes of PSA and Biopsy at 3, 12 and 24 Months," date unknown.
Daikuzono et al., "Computer Controlled Contact Nd:YAG Laser System for Interstitial Local Hyperthermia and PDT," 1988, SPIE vol. 907 Laser Surgery: Characterization and Therapeutics, pp. 75-79.
Futatsuki et al., "Some Attempts for Improvement of Balloon Laserthermia," 1990, SPIE vol. 1201 Optical Fibers in Medicine V, pp. 625-636.
Hynynen et al., "Hyperthermia in Cancer Treatment," Jul., 1990, Investigative Radiology, vol. 25, pp. 824-834.
McKiel, Jr., "PSA and Post Treatment Biopsy Results After Cryosurgery for States T.sub.1 -T.sub.3 Prostate Cancer," date unknown.
Rossi et al., "Percutaneous Ultrasound-Guided Radiofrequency Electrocautery for the Treatment of Small Hepatocellular Carcinoma," 1993, Journal of Interventional Radiology, vol. 8, pp. 97-103.
Wang et al., "Laserthermia for the Treatment of Small Hepatocellular Carcinoma: A Preliminary Study," 1990 SPIE vol. 1201 Optical Fibers in Medicine V, pp. 620-624.

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