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US 12,653,516 B2Granted
Lung transplant retractor system
OwnerSamuel Jacobinventor
Life of this patent
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Abstract
A surgical retractor device includes at least two retractor blades slidably attached by a tooth and gear mechanism, the blades having concave surfaces facing away from one another. The first concave retractor blade can be joined to a first end of a first bar that has a serrated edge The second concave retractor blade can be joined to a first end of a bar arm that has the gear mechanism at its opposite end. The gear mechanism includes a handle with a gear which causes the first bar to slidably move along the second bar. Each bar can include a housing with a fastener that can receive stabilizers.
Claims9
A surgical retractor, comprising:
- a rack and pinion assembly including
- a rack bar having a first longitudinal axis, a slide end, a first blade end, and a longitudinal edge therebetween with teeth formed therein;
- a first arcuate retractor blade directly fused to the first blade end, the first arcuate retractor blade having a first concave surface facing away from the rack bar;
- and
- a drive bar having a second longitudinal axis parallel to the first longitudinal axis, wherein the drive bar is longitudinally displaceably coupled to the rack bar, the drive bar having a drive end and a second blade end, with a second arcuate retractor blade directly fused to the second blade end, the second arcuate retractor blade having a second concave surface facing opposite and away from the first concave surface;
- a rack-and-pinion drive fixedly mounted at the drive end, the rack-and-pinion drive having a slot formed therethrough, wherein the slot slidably accommodates the slide end of the rack bar in a position overlapping the drive bar;
- and
- a drive handle mounted to the rack-and-pinion drive, wherein the drive handle is operative to actuate the rack-and-pinion drive to travel longitudinally along the teeth.
5 more elements
Dependencies are inferred from the claim text.