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US 11,766,551 B2Granted
Medical device
AssigneeTerumo Kabushiki Kaisha
InventorToshihiko Kakinoki
Life of this patent
Estimating the term…
Abstract
A medical device including a connector portion having a distal end and a proximal end, and a screw groove configured for fluid communication between the connector portion and another medical device. The screw groove has a first side wall provided close to the distal end and a second side wall provided close to the proximal end. The first side wall has a stop portion whose lead angle has been reduced or eliminated.
Claims4
A medical device;
- the medical device comprising:
- a connector portion having a distal end and a proximal end;
- the connector portion having an outer cylinder and an inner cylinder arranged on a radially inner side of the outer cylinder;
- the inner cylinder having a screw groove configured for fluid communication between the connector portion and another medical device, and the outer cylinder has an engagement protrusion configured to be guided to the screw groove;
- the screw groove having a first side wall on a distal side of the screw groove and a second side wall on a proximal side of the screw groove, and the second side wall has a stop portion whose lead angle changes slope relative to an adjacent second side wall portion;
- the connector portion further includes a valve body arranged on a radially inner side of the inner cylinder, and a spike configured to penetrate the valve body;
- and
- wherein the inner cylinder is biased toward the distal end of the connector portion by the valve body.
5 more elements
Dependencies are inferred from the claim text.