Surgical device for capturing, positioning and aligning portions of a horizontally severed human sternum
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Accused Products
Abstract
A surgical device for capturing, positioning and aligning portions of a horizontally severed human sternum via positioning around each of a paired set of ribs located on opposite sides of the severed sternum while simultaneously contacting and substantially surrounding the anterior and posterior portions of the sternum comprising impermanently joined insertion and insertion guide attachment members, each of the members having first and second end portions, first and second side portions, a body portion, anterior and posterior surfaces, two crescent formed leg portions with angularly displaced foot portions, a plurality of sternum, rib and costal cartilage engagement surfaces and, a rotary lock member pivotally attached to the insertion guide member, and further comprising a capturing mechanism having angularly displaced teeth-like structures on a first side cooperating with reciprocating teeth like structures integrated on a first side of the insertion member to position, secure in place and operatively combine the insertion member, rotary lock and insertion guide members.
200 Citations
24 Claims
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1-10. -10. (canceled)
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11. A method for capturing, positioning and aligning portions of a horizontally severed human sternum via the device'"'"'s deployment around each of a paired set of ribs located on opposite sides of the severed sternum while simultaneously contacting and substantially surrounding the anterior and posterior portions of the sternum thereby precluding rostral and vertical bone shearing travel by preventing severed sternal halves from moving relative to one another comprising:
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providing a sternum closure device comprising impermanently joined insertion and insertion guide attachment members, each of said members having first and second end portions, first and second side portions, a body portion, anterior and posterior surfaces, two crescent formed leg portions with angularly displaced foot portions, and a plurality of sternum and rib engagement surfaces, the insertion guide member individually comprising a rotary lock positioning block, a plurality of variable length cylindrical pegs located on opposite sides of the insertion member'"'"'s posterior surface, a rotary lock pivoting pin, a disengagement tool positioning divot, and a pair of guide sections to position and removably receive said insertion member when inserted therein, the insertion member individually comprising a biasing guide to allow leveraging insertion therein of a prying tool to forcibly disengage insertion and insertion guide members from one another, and a plurality of severable insertion guide contact sections which may be individually or collectively removed, and a rotary lock member pivotally attached to said insertion guide member, the locking member further comprising a capturing mechanism having angularly displaced teeth-like structures on a first side which cooperate with reciprocating teeth-like structures integrated on a first side of said insertion member to position, secure in place and operatively combine said insertion member, said rotary lock and said insertion guide member; and
,insertably joining said insertion member within said insertion guide member in a manner to capture the costal cartilage portion of each of a paired set of ribs located on opposite sides of a horizontally severed human sternum while simultaneously engaging and substantially surrounding the anterior and posterior portions of the sternum.
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12. A sternal closure device for use with a patient having a horizontally severed sternum, the device comprising:
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an insertion member having two legs, wherein each of the two legs is configured to engage a separate rib of a first rib pair on opposite sides of the sternum; and
an insertion guide member configured to receive the insertion member, wherein the insertion guide member has two legs and wherein each of the two legs is configured to engage a separate rib of a second rib pair on opposite sides of the sternum. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for closing a horizontally severed sternum with a sternal closure device, the method comprising:
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engaging opposing ribs of a first rib pair connected to a first part of the horizontally severed sternum with an insertion member having two legs that are configured to engage the opposing ribs of the first rib pair;
engaging opposing ribs of a second rib pair connected to a second part of thehorizontally severed sternum with an insertion guide member having two legs that are configured to engage the opposing ribs of the second rib pair; and
inserting the insertion member into the insertion guide member to approximatethe first and second parts of the horizontally severed sternum. - View Dependent Claims (23, 24)
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Specification