Surgery – Truss – Pad
Patent
1979-02-05
1981-01-06
Cohen, Lee S.
Surgery
Truss
Pad
1282144, 128347, 128419P, A61N 118
Patent
active
042430500
ABSTRACT:
An apparatus and related method for implanting pacemaker electrodes and similar devices within a patient include an introducer with a tapered end adapted to extend into the patient's body, and a hollow, tubular sleeve having a first portion with an inner dimension greater than the outer dimension of the introducer and a second portion at one end of the sleeve which extends parallel with the introducer and in close engagement therewith, with a gradual taper along the sleeve between the first and second portions. The sleeve has a longitudinal slit along the first portion and through the taper, but short of the forward extremity, to permit the sleeve to be peeled away from the pacemaker electrode after introduction. The introducer and sleeve include corresponding hub and flange arrangements which provide a means for locking the two elements together to prevent inadvertent motion of the sleeve with respect to the introducer as the two elements are being inserted into the patient. The flange on the sleeve has a dimension extending away from the sleeve sufficient to permit the physician to place his thumb over the open extremity of the sleeve to prevent air aspiration into the patient.
REFERENCES:
patent: 3169527 (1965-02-01), Sheridan
patent: 3348544 (1967-10-01), Braun
patent: 3540447 (1970-11-01), Howe
patent: 3570485 (1971-03-01), Reilly
patent: 3628524 (1971-12-01), Jamshidi
patent: 3677243 (1972-07-01), Nerz
patent: 3856020 (1974-12-01), Kovac
patent: 3877429 (1975-04-01), Rasumoff
patent: 3898993 (1975-08-01), Taniguchi
patent: 4137916 (1979-02-01), Killman et al.
Vellani et al., "Endocardiel Pacing . . . ", Brit. Heart J, 1969, 31, 106.
Friesen et al., "Percuteneous Insertion . . . Vein", The Can. J. Surg., Mar. 1977, 131-133, 135.
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