The present teachings provide a modular articulating cement spacer mold for forming a temporary implant comprising a mold first portion, a mold second portion, and a ventilation forming surface feature on an interior surface of at least one of the mold first portion or the mold second portion. The f
The present teachings provide a modular articulating cement spacer mold for forming a temporary implant comprising a mold first portion, a mold second portion, and a ventilation forming surface feature on an interior surface of at least one of the mold first portion or the mold second portion. The first mold portion and the second mold portion have corresponding interior surfaces that form a cavity therebetween.
대표청구항▼
1. A modular articulating cement spacer mold system for forming a temporary implant comprising: a mold first portion extending from a first end to a second end and having a first plurality of open hooks formed on and extending away from a first exterior surface of the mold first portion;a mold secon
1. A modular articulating cement spacer mold system for forming a temporary implant comprising: a mold first portion extending from a first end to a second end and having a first plurality of open hooks formed on and extending away from a first exterior surface of the mold first portion;a mold second portion extending from a third end to a fourth end and having a second plurality of open hooks formed on and extending away from a second exterior surface of the mold second portion;both the mold first portion and the mold second portion have respective and corresponding interior surfaces defining a cavity therebetween;a connection component pin extending between at least a first hook of the first plurality of open hooks and at least a second hook of the second plurality of open hooks;a self-cleaning cap configured to be inserted into an opening formed by at least one of the first mold portion or the second mold portion, wherein the self-cleaning cap includes a threaded region, a closed bottom, an interrupted hollow region, and a recessed containment region, wherein the opening further includes a threaded opening, wherein the threaded region mates with the threaded opening and as the self-cleaning cap is advanced through the threaded opening any excess material passes around the closed bottom of the self-cleaning cap and through the interrupted hollow regions into the recessed containment region of the self-cleaning cap;a plurality of surface features that include raised dimples and raised linear dashes extending from the interior surfaces; anda ventilation forming surface feature on the interior surface of at least one of the mold first portion or the mold second portion;wherein the temporary implant is a femoral stem formable in the cavity. 2. The modular articulating cement spacer mold system of claim 1, wherein the connection pin is a plurality of connection pins coupling the first plurality of hooks to the second plurality of hooks. 3. The modular articulating cement spacer mold system of claim 1, wherein the ventilation feature comprises a longitudinal projection from at least one of the first inner surface or the second inner surface to form a longitudinal depression along a substantial length in the temporary implant that is the femoral stem formed by the femoral stem mold for ventilation during at least one of implantation or explanting the femoral stem. 4. The modular articulating cement spacer mold system of claim 1, further comprising: a reinforcing insert for the temporary implant that extends from near the first end to near the second end. 5. The modular articulating cement spacer mold system of claim 4, further comprising: a stem component alignment screw that is configured to interconnect the reinforcing insert and a receiving region portion formed by the mold first portion and the mold second portion when coupled together to hold the reinforcing insert within the cavity. 6. The modular articulating cement spacer mold system of claim 1, further comprising: wherein the ventilation forming surface feature on the interior surface of at least one of the mold first portion or the mold second portion extends from a distal end to a proximal end of at least one of the respective interior surfaces. 7. The modular articulating cement spacer mold system of claim 1, further comprising: wherein at least one of the respective interior surfaces further comprises at least one other surface feature. 8. A modular articulating cement spacer mold system for forming a temporary implant comprising: a mold first portion having a first interior surface extending along a longitudinal axis and shaped to form a first portion of a temporary elongated stem implant;a mold second portion having a second interior surface extending along a longitudinal axis and shaped to form a second portion of the temporary elongated stem implant; anda ventilation forming surface feature on at least one of the first interior surface of the mold first portion or the second interior surface of the mold second portion;a reinforcing insert for the temporary implant removably placed within a cavity formed by the first interior surface and the second interior surface when the mold first portion and the mold second portion are coupled together and removable with a temporary implant formed within the mold first portion and the mold second portion;a stem component alignment screw that is configured to interconnect the reinforcing insert and a receiving region portion formed by the mold first portion and the mold second portion when coupled together to hold the reinforcing insert within the femoral stem temporary mold;wherein the ventilation forming surface feature includes at least one raised protrusion extending at least a portion of a distance of at least one of the first interior surface or the second interior surface;wherein the ventilation forming surface is configured to form in the temporary implant a depression to allow trapped air to escape past the temporary implant upon insertion into a patient and prevent a vacuum upon explanting of the temporary implant. 9. The modular articulating cement spacer mold system of claim 8, wherein the ventilation forming surface feature extends from a distal end of the interior surface to a proximal end of the interior surface. 10. The modular articulating cement spacer mold system of claim 8, wherein the interior surface of at least one of the mold first portion or the mold second component further comprises at least one other surface feature. 11. The modular articulating cement spacer mold system of claim 10, wherein the at least one other surface feature decreases in density from a proximal end of the interior surface to a distal end of the interior surface. 12. The modular articulating cement spacer mold system of claim 10, wherein the interior surface of at least one of the mold first portion or the mold second portion further comprises a plurality of surface features that include raised dimples and raised linear dashes. 13. The modular articulating cement spacer mold system of claim 12, wherein the raised dimples are located towards the proximal end of the mold and the raised linear dashes are located towards the distal end of the mold. 14. The modular articulating cement spacer mold system of claim 12, wherein the raised linear dashes are disposed along the axis of removal of the temporary implant. 15. The modular articulating cement spacer mold system of claim 8, wherein the cavity formed by the first interior surface of the mold first portion and the second interior surface of the mold second portion is shaped to mold a femoral stem. 16. The modular articulating cement spacer mold system of claim 15, wherein the at least one raised protrusion of the ventilation forming surface feature comprises a raised longitudinal ledge to form a longitudinal depression in a femoral stem formed by the femoral stem mold. 17. The modular articulating cement spacer mold system of claim 8, wherein the mold first portion includes a first plurality of hooks coupled to a second plurality of hooks of the mold second portion with one or more connection pins. 18. The modular articulating cement spacer mold system of claim 17, wherein the one or more connection pins can be molded to one of the mold first and second portions. 19. The modular articulating cement spacer mold system of claim 8, wherein the ventilation forming surface feature is formed on an interior surface of each of the mold first portion and the mold second portion. 20. A modular articulating cement spacer mold system for forming a temporary implant comprising: a mold first portion having a first interior surface extending along a longitudinal axis and shaped to form a first portion of a temporary elongated stem implant;a mold second portion having a second interior surface extending along a longitudinal axis and shaped to form a second portion of the temporary elongated stem implant; anda ventilation forming surface feature on at least one of the first interior surface of the mold first portion or the second interior surface of the mold second portion and extending from a distal end of the interior surface to a proximal end of the interior surface;a reinforcing insert for the temporary implant placed within a cavity formed by the first interior surface and the second interior surface when the mold first portion and the mold second portion are coupled together;wherein the ventilation forming surface feature includes at least one raised protrusion extending at least a portion of a distance of at least one of the first interior surface or the second interior surface;wherein the ventilation forming surface is configured to form in the temporary implant a depression to allow trapped air to escape past the temporary implant upon insertion into a patient and prevent a vacuum upon explanting of the temporary implant;wherein the cavity formed by the first interior surface of the mold first portion and the second interior surface of the mold second portion is shaped to mold a femoral stem. 21. The modular articulating cement spacer mold system of claim 20, wherein the interior surface of at least one of the mold first portion or the mold second component further comprises at least one other surface feature. 22. The modular articulating cement spacer mold system of claim 20, further comprising: one or more connection pins to couple the mold first portion and the mold second portion;wherein the mold first portion includes a first plurality of hooks, the mold second portion includes a second plurality of hooks, and the one or more connection pins couples the first plurality of hooks and the second plurality of hooks. 23. The modular articulating cement spacer mold system of claim 22, wherein the one or more connection pins can be molded to one of the mold first and second portions. 24. The modular articulating cement spacer mold system of claim 22, wherein at least one of the first plurality of hooks or the second plurality of hooks are open hooks.
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