Adapter for surgical retractor
AssigneePilling Co.
InventorSamuel Pelta
Life of this patent
Estimating the term…
Abstract
An adapter for attaching atrial blades to a sternal spreader comprises an elongated bar having blade attaching means on an oblique surface, and having a heel, hook and adjusting screw on its bottom surface. The heel and the head of the adjusting screw are engageable with the upper surface of a spreader arm, and the hook is engageable with the lower surface thereof. The screw has a wheel formed on it, which is located between the bar and the spreader arm. When this wheel is turned to cause the screw to extend, the hook and heel of the bar and the head of the screw are pressed against the spreader arm, causing the adapter to be firmly secured to the spreader.
Claims11
An adapter for securing an auxiliary blade to a surgical spreading retractor comprising:
- an elongated bar having a top face and a bottom
- face;
- means on the top face of said bar for holding
- auxiliary retractor blade means;
- hook means rigidly fixed to the bar at an intermediate position along the length of the bar, said hook means having a first portion located underneath the bottom face of the bar and spaced therefrom, and an interconnecting portion extending from said first portion to the bar and connected to the bar at a location laterally offset from a centerline extending lengthwise along the bottom face of the bar;
- heel means located substantially at one end of the bar;
- and
- screw means located on the side of the hook means remote from the heel means and threaded into the bottom face of the bar, said screw means having a head and a wheel formed thereon, said wheel being located between the head and the arm and extending radially beyond the bar in at least one direction.
A surgical retractor comprising:
- a pair of rigid arms in spaced, substantially parallel relationship to each other, each arm having first blade means supported thereon;
- means connected to said arms for holding the same in said substantially parallel relationship and for adjusting the spacing of said arms;
- and
- at least one auxiliary blade;
- wherein the improvement comprises an adapter removably supported on one of said arms, said adapter comprising an elongated bar extending substantially lengthwise along said one arm on one side thereof, means on said bar holding said auxiliary blade, hook means rigidly fixed to the bar at an intermediate position along the length of the bar, said hook means having a first portion engaged with the opposite side of said one arm and an interconnecting portion connecting the first portion to the bar, heel means located substantially at one end of the bar and engaged with said one side of the arm, and screw means threaded into the bar at a location on the side of the hook means remote from the heal means, said screw means extending from the bar toward said one side of the arm, said screw means having a head engaged with said one side of the arm and a wheel formed thereon, said wheel being located between the bar and the arm and extending radially beyond the bar in at least one direction whereby it can be grasped and rotated manually, said screw being tightened so that the head thereof and said heel means bear tightly against said one side of the arm, and said first portion of the hook means bears tightly against said opposite side of the arm, whereby the adapter is firmly secured to said arm.
Dependencies are inferred from the claim text.