- 专利标题： Medical syringe with retractable needle and modified plunger handle with concave pressure application surface
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申请号： US17011713申请日： 2020-09-03
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公开(公告)号： US12042639B2公开(公告)日： 2024-07-23
- 发明人: Thomas J. Shaw , Hannah Monique Myers
- 申请人： Retractable Technologies, Inc. , Thomas J. Shaw
- 申请人地址： US TX Little Elm
- 专利权人： Retractable Technologies, Inc.
- 当前专利权人： Retractable Technologies, Inc.
- 当前专利权人地址： US TX Little Elm
- 代理机构： Scheef & Stone, LLP
- 代理商 Robin L. Barnes; Mike Schofield
- 主分类号： A61M5/32
- IPC分类号： A61M5/32 ; A61M5/31 ; A61M5/315
摘要：
A medical syringe having a forwardly projecting needle that is selectively retractable following use and also having a specially configured plunger handle and thumb cap that cooperate to form a concave pressure application surface (“CPAS”). The concave pressure application surface at the rear of the plunger handle enables the subject medical syringe to achieve functional advantages, each with an associated therapeutic benefit, that are not achieved with use of the prior art devices.
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