Various embodiments of the present disclosure include a tool for stabilizing a fractured bone. The tool comprises a barrel having a proximal end and a distal end. The distal end of the barrel includes a passageway for receiving a bone pin configured to be driven into the fractured bone to stabilize
Various embodiments of the present disclosure include a tool for stabilizing a fractured bone. The tool comprises a barrel having a proximal end and a distal end. The distal end of the barrel includes a passageway for receiving a bone pin configured to be driven into the fractured bone to stabilize the fractured bone. The passageway is sized to accommodate axial movement of the bone pin through the passageway while limiting radial movement of the bone pin in the passageway. The tool further comprises a piston having a proximal end and a distal end and configured to translate axially relative to the barrel. The proximal end of the piston includes a head and the distal end of the piston includes a needle formation, the needle formation being sized for receipt within the passageway of the barrel to drive the bone pin axially from the barrel and into the fractured bone.
대표청구항▼
1. A tool for stabilizing a fractured bone, comprising: a barrel having a proximal end and a distal end, the distal end of the barrel including an opening;a cartridge supported in the distal end of the barrel, the cartridge including a first elongate semi-cylindrical body having a first outer surfac
1. A tool for stabilizing a fractured bone, comprising: a barrel having a proximal end and a distal end, the distal end of the barrel including an opening;a cartridge supported in the distal end of the barrel, the cartridge including a first elongate semi-cylindrical body having a first outer surface sized to fit within the distal end of the barrel and a first inner surface at least partly defining a passageway for receiving a bone pin configured to be driven into the fractured bone to stabilize the fractured bone, the passageway being sized to accommodate axial movement of the bone pin through the passageway while limiting radial movement of the bone pin in the passageway; anda piston having a proximal end and a distal end and is configured to translate axially relative to the barrel, the proximal end of the piston including a head and the distal end of the piston including a needle formation provided on a support member, the support member having a second elongate semi-cylindrical body having a second outer surface and a second inner surface such that the second elongate semi-cylindrical body is complementary to the first elongate semi-cylindrical body of the cartridge to fit within the distal end of the barrel, wherein, when the first and second inner surfaces directly oppose each other, the first and second outer surfaces define a shape that corresponds to the distal end of the barrel, and wherein the needle formation is sized for receipt within the passageway of the cartridge, the needle formation configured to apply sufficient force to the bone pin to drive the bone pin axially from the barrel and into the fractured bone. 2. The tool of claim 1, wherein the cartridge includes a single passageway for receiving a single bone pin configured to be driven into the fractured bone to stabilize the fractured bone. 3. The tool of claim 1, further including a pressurized gas source for supplying a pneumatic force to the head of the piston to axially translate the piston relative to the barrel. 4. The tool of claim 3, further including a handle configured to receive at least the pressurized gas source. 5. The tool of claim 1, further including a handle configured to support at least the barrel. 6. The tool of claim 1, further including a handle, wherein the handle includes a housing or housing portion axially aligned with a longitudinal axis of the barrel, the housing or housing portion including a connection port to which a pressurized gas source can be coupled. 7. The tool of claim 1, further including a handle configured to be coupled to the barrel. 8. The tool of claim 1, wherein the piston is axially translatable within the barrel. 9. The tool of claim 1, further comprising a trigger assembly for releasing the piston. 10. The tool of claim 9, wherein the trigger assembly includes a component that extends through a side wall of the barrel. 11. The tool of claim 10, wherein the component is movable in and out of the side wall of the barrel to restrain and permit, respectively, axial translation of the piston. 12. The tool of claim 9, further including a pressurized gas source configured to supply pneumatic force to the head of the piston when the piston is restrained by the trigger assembly, and when driving the bone pin into the fractured bone. 13. The tool of claim 12, further including a reservoir for holding gas under pressure while the piston is restrained by the trigger assembly. 14. The tool of claim 13, further including a puncture device operable to puncture, release or transfer gas from the pressurized gas source into the reservoir. 15. The tool of claim 1, wherein the barrel includes one or more exhaust ports in a side wall thereof. 16. A system for stabilizing a fractured bone, comprising: a tool according to claim 1;at least one bone pin; anda set of instructions for using one or both of the tool or at least one bone pin. 17. The system of claim 16, wherein the at least one bone pin is a polymeric bone pin, or includes polymeric material. 18. A tool for stabilizing a fractured bone, comprising: a barrel having a proximal end and a distal end, the barrel including a piston housing located at the proximal end and a tubular portion extending from the piston housing and terminating at a distal end of the barrel;a cartridge located at the distal end of the barrel within the tubular portion, the cartridge including a first elongate semi-cylindrical body having a first outer surface sized to fit within the distal end of the tubular portion and a first inner surface at least partly defining a passageway for receiving a bone pin configured to be driven into the fractured bone to stabilize the fractured bone, the passageway being sized to accommodate axial movement of the bone pin through the passageway while limiting radial movement of the bone pin in the passageway;a piston having a proximal end and a distal end and is configured to translate axially relative to the barrel, the proximal end of the piston including a head and the distal end of the piston including a needle formation provided on a support member, the support member having a second elongate semi-cylindrical body having a second outer surface and a second inner surface such that the second elongate semi-cylindrical body is complementary to the first elongate semi-cylindrical body of the cartridge to fit within the distal end of the barrel, wherein, when the first and second inner surfaces directly oppose each other, the first and second outer surfaces define a shape that corresponds to the distal end of the barrel, and wherein the needle formation is sized for receipt within the passageway of the cartridge, the needle formation configured to apply sufficient force to the bone pin to drive the bone pin axially from the barrel and into the fractured bone;a pressurized gas source for supplying a pneumatic force to the head of the piston to axially translate the piston relative to the barrel; anda trigger assembly for releasing the piston. 19. The tool of claim 18, wherein the cartridge defines a single passageway for receiving a single bone pin configured to be driven into the fractured bone to stabilize the fractured bone.
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