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US 2020/0367953 A1Published application
Delivery tool and method for forming a structure having a layer of hardened paste and particles under the layer
AssigneeJoy Medical Devices Corporation
InventorsChien-Ping JU, Jiin-Huey Chern LIN, Bing-Chen YANG, Yen-Chun CHEN
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Abstract
The present invention provides a delivery tool and a method for bone grafting on a bone surface via a minimally invasive approach, wherein a structure having a layer of hardened paste and particles under the layer is formed by using the delivery tool. The layer helps to keep particles on the bone surface.
Claims13
A delivery tool comprising
- a hollow tube having a channel, wherein the hollow tube comprises
- a plunger inlet at a proximal end of the hollow tube;
- a filler outlet at a distal end of the hollow tube having an opening at the distal end of the hollow tube and a U-shaped drain extending from the opening;
- and
- a filler inlet which is the plunger inlet or is formed at a location closer to the plunger inlet than to the filler outlet;
- and
- a plunger comprising an insertion portion which has a cross-section equivalent to or smaller than a cross-section of the channel of the hollow tube, and the insertion portion has a head at a distal end of the plunger, so that the head of the plunger is able to be inserted into the channel of the hollow tube via the plunger inlet, passing the filler inlet, and then invading the U-shaped drain of the filler outlet with the insertion portion being received in the channel of the hollow tube.
4 more elements
Dependencies are inferred from the claim text.