Surgery: kinesitherapy – Kinesitherapy – Ultrasonic
Patent
1992-03-23
1994-07-26
Cohen, Lee S.
Surgery: kinesitherapy
Kinesitherapy
Ultrasonic
367147, A61B 1722
Patent
active
053319524
ABSTRACT:
A water system is provided for an extracoporeal lithotripter. The reflector is aimed downwardly and has a spark gap at the first focus point thereof for generating a shock wave. A rubber diaphragm spans the lower end of the reflector. A water reservoir is provided along with pipes and a pump for circulating water from the reservoir to the reflector and back. A vacuum pump maintains pressure below ambient in the reservoir, the reflector and connecting pipes to control downward ballooning of the diaphragm.
REFERENCES:
patent: 4630607 (1986-12-01), Duinker et al.
patent: 4697588 (1987-10-01), Reichenberger
patent: 5046483 (1991-09-01), Ogura
Brisson A. Glen
Cruz Exequiel D.
Vickers Dianne L.
Bantum Tripter Joint Venture Partners
Casler Brian L.
Cohen Lee S.
Wolters Robert M.
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