Results 171 to 180 of about 213,222 (223)
An Ultrasonic Micro Scalpel Based on Exponential Horn Silicon Chip
Applied Mechanics and Materials, 2014 Conference Name:4th International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2013. Conference Address: Hong Kong, China. Time:September 10, 2013 - September 12, 2013.Contr. Eng. and Info. Sci. Res. Assoc.(CEIS); Intl. Frontiers of
Hang Guo, Jian Yan Wang
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Mucosal proctectomy using an ultrasonic scalpel
The American Journal of Surgery, 1984Mucosal proctectomy is becoming the operation of choice in the surgical treatment of patients with ulcerative colitis and familial polyposis coli. Dissection of the rectal mucosa and submucosa from the underlying muscularis is often difficult and, in some instances, impossible to perform. The feasibility of using an ultrasonic device to perform mucosal
T M, Heimann +3 more
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Thoracoscopic resection of the lung with the ultrasonic scalpel
The Annals of Thoracic Surgery, 1999We used an ultrasonic scalpel, the Harmonic Scalpel (Ethicon Endo-Surgery, Cincinnati, OH), for limited thoracoscopic resection of the lung in 30 consecutive patients. There were no problems with bleeding in any of the 30 patients. After resection with Harmonic Scalpel the lung was closed with absorbable sutures.
T, Aoki, S, Kaseda
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Ultrasonic harmonic scalpel in total thyroidectomies
Advances in Therapy, 2008Haemostasis is very important in thyroid surgery. In conventional surgery, electrocoagulation and suture ligation are used for haemostasis; newer techniques include vessel clips, ultrasonic instruments and lasers. The aim of this prospective study was to compare the usage of the ultrasonic harmonic scalpel (UHS) with conventional procedures, in total ...
Bulent, Unal +7 more
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The Journal of the Acoustical Society of America, 1990
Disclosure is made of a cryogenic ultrasonic scalpel comprising a housing, an ultrasonic source installed in said housing, a cutting means to which ultrasonic vibrations are supplied from the ultrasonic source via a transformer, a tubular heat exchanger featuring inlet and outlet pipes for the supply and removal of the refrigerant and providing the ...
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Disclosure is made of a cryogenic ultrasonic scalpel comprising a housing, an ultrasonic source installed in said housing, a cutting means to which ultrasonic vibrations are supplied from the ultrasonic source via a transformer, a tubular heat exchanger featuring inlet and outlet pipes for the supply and removal of the refrigerant and providing the ...
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Ultrasonic (harmonic) scalpel tonsillectomy
Operative Techniques in Otolaryngology-Head and Neck Surgery, 2002Significant postoperative pain and discomfort continues to be associated with a tonsillectomy procedure. Various instruments have been used over the years, but in an attempt to simplify the surgical procedure and minimize the postoperative morbidity, the ultrasonic (harmonic) scalpel uses high frequency piezoelectric technology to create intracellular ...
J. Paul Willging, Brian J. Wiatrak
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Cryogenic-and-ultrasonic scalpel
The Journal of the Acoustical Society of America, 1990A cryogenic-and-ultrasonic scalpel includes a body, a source of ultrasonic vibrations positioned within the body, a hollow, frusto conical transformer connected to the source of ultrasonic vibrations, and a tubular heat exchanger for supplying refrigerant to the scalpel blade and draining the same therefrom the heat exchanger including inner and outer ...
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[Ultrasonic scalpel in thyroid surgery].
Revue medicale de Liege, 2008The thyroid gland is highly vascularized and, in all Thyroid surgery, a special attention must be paid to haemos. tasis and coagulation. Any carelessness in the control of thyroid vessels can indeed entail serious consequences. In this respect, the ultrasonic scalpel represents a significant progress.
C, Coimbra +4 more
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Physiologic mechanism of the ultrasonically activated scalpel
The Journal of the American Association of Gynecologic Laparoscopists, 1996An ultrasonically activated scalpel was developed and used clinically to provide hemostatic cutting in laparoscopic surgery. Results of experimental work with the ultrasonic scalpel blades were compared with those of electrosurgery and lasers. Some features that distinguish this energy form may confer specific advantages in various surgical procedures.
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Ultrasonically Activated Scalpel Compared with Electrocautery in Tonsillectomy
ORL, 2004The occurrence of postoperative bleeding, the quantity of operative bleeding and the duration of operation were retrospectively evaluated in 407 patients who underwent tonsillectomy within a 32-month period. They were operated on with either an ultrasonically activated scalpel (UAS), bipolar diathermy (BPD) or blunt dissection with monopolar diathermy (
Aleksi, Schrey +3 more
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