Lumbar spinal fusion retractor and distractor system

Details Lumbar spinal fusion retractor and distractor system Lumbar spinal fusion retractor and distractor system

1997-09-23

1999-08-31

Smith, Jeffrey A.

Surgery

Specula

Retractor

600235, 600231, A61B 1702

Patent

active

059446587

ABSTRACT:
A lumbar laminectomy retractor and distractor system comprised of a unique retractor system and unique distractor system. The retractor has one or more retractor frames including retractor blades for placement in an incision. The blades can be placed in an incision and then engaged by a retractor frame to spread the incision for viewing the surgical site. An optional, but preferred feature is a provision for tilting the retractor frame arms to spread the retractor blades, providing greater visualization of a surgical site. The distractor system has a distractor frame offset at right angles to the retractor frame, having fixed distractor blades, introduced into the incision and optionally held in place by screws, screwed into the vertebrae adjacent to the diseased or damaged disc. The screws are incorporated into the distractor blades on the distractor frame. The design of the retractor and distractor frames, with foldable crank arms, provide a low profile minimizing interference and allowing use of two or more retractors if desired.

REFERENCES:
patent: 1706500 (1929-03-01), Smith
patent: 4852552 (1989-08-01), Chaux
patent: 5027793 (1991-07-01), Engelhardt et al.
patent: 5728046 (1998-03-01), Mayer et al.
patent: 5755660 (1998-05-01), Tyagi
patent: 5788630 (1998-08-01), Furnish
patent: 5795291 (1998-08-01), Koros et al.

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