Invention Application
- Patent Title: MULTI-CHAMBER SYRINGE
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Application No.: US17944321Application Date: 2022-09-14
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Publication No.: US20230001092A1Publication Date: 2023-01-05
- Inventor: TODD ODA , George Mansour , Eugene Mason
- Applicant: CareFusion 303, Inc.
- Applicant Address: US CA San Diego
- Assignee: CareFusion 303, Inc.
- Current Assignee: CareFusion 303, Inc.
- Current Assignee Address: US CA San Diego
- Main IPC: A61M5/19
- IPC: A61M5/19 ; A61M5/14 ; A61M5/315 ; A61M39/24 ; A61M5/178

Abstract:
Syringes are described herein. A syringe includes a syringe body, a first plunger, a second plunger, and an inner tube. The syringe body defines a syringe cavity and a syringe port, wherein the syringe port is in fluid communication with the syringe cavity. The first plunger is disposed within the syringe cavity and defining a first chamber in the syringe cavity, wherein the first chamber is in fluid communication with the syringe port. The second plunger is disposed within the syringe cavity, the first plunger and the second plunger cooperatively defining a second chamber in the syringe cavity. The inner tube comprises an inner tube lumen, wherein the inner tube and the first plunger shaft lumen define an annulus therebetween, the annulus in fluid communication with the first plunger channel and the annulus permits fluid communication between the syringe port and the first plunger channel.
Public/Granted literature
- US12280242B2 Multi-chamber syringe Public/Granted day:2025-04-22
Information query
IPC分类: