Surgery – Instruments – Cutting – puncturing or piercing
Patent
1994-05-13
1996-04-16
Pellegrino, Stephen C.
Surgery
Instruments
Cutting, puncturing or piercing
30294, A61B 1732
Patent
active
055078001
ABSTRACT:
An improved carpal tunnel tome for performing carpal tunnel release surgery is provided. In a first embodiment, a carpal tunnel tome including a slender handle with a blade at one end is provided. The blade is bounded on both sides by a pair of relatively blunt protuberances that extend distally beyond the cutting edge of the blade. In another embodiment, a carpal tunnel tome having a stem is provided. A cutting head, including a blade, is connected to the stem. One portion of the stem is angled so as to facilitate the use of the device in a small wound. The blade is bounded on one side by a short beveled protuberance, and on the other side by a longer blunted protuberance. In one embodiment, a disposable carpal tunnel tome is provided. The surgical procedure utilizing the tome requires only a single small incision in the palm of the patient's hand adjacent the distal end of the transverse carpal ligament. The instrument is then placed in the incision straddling the ligament and is then advanced proximately toward the patient's wrist until the transverse carpal ligament is completely divided. The instrument is then withdrawn and the incision is closed with one or two sutures and an appropriate dressing is applied.
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David M. Pagnanelli, M.D. et al., "Bilateral Carpal Tunnel Release at One Operation: Report of 228 Patients," Neurosurgery, vol. 31, No. 6, Dec. 1992.
David M. Pagnanelli, M.D. et al., "Carpal tunnel syndrome: surgical treatment using the Paine retinaculatome," J. Neurosurg., vol. 75, Jul. 1991.
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Ruggles Corporation Catalog, R-520 PAINE's Carpel Tunnel Retinaculotome, p. 59.
Lewis William W.
Pellegrino Stephen C.
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