A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/34 (2006.01) A61M 5/14 (2006.01) A61M 5/32 (2006.01) A61M 5/46 (2006.01) A61M 25/06 (2006.01)
Patent
CA 2135099
A surgical instrument serves to insert a trocar needle into the bone marrow of a patient for connection of a syringe, an infusion set or the like. The instrument includes a cylindrical housing containing a sliding bolt and the trocar needle configured to bra forcefully shot through the bone material into the marrow by release of a compressed helical spring. The bolt holds the rear end of the needle in a releasable grip permitting the needle to be released and to remain in the bone. The helical spring is positioned in the rear of the housing and of the bolt and is held in com- pressed state by a catch which is releasable by pressure on a trigger. This shoots the bolt and the needle forwards, a collar in the housing stopping the bolt sharply and allowing to needle to be released from the device after its, penetr- ation and to be connected to a syringe or an infusion set for intraosseous injection, infusion or other treatment.
Sim & Mcburney
Wais-Med Limited
Waismed Ltd
LandOfFree
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