Syringe loading devices for use with syringes and medical injectors

• US 7,025,757 B2
• Filed: 02/04/2002
• Issued: 04/11/2006
• Est. Priority Date: 02/08/2001
• Status: Expired due to Fees

• Current Assignee: Medrad Incorporated (Bayer AG)
• Original Assignee: Medrad Incorporated (Bayer AG)
• Inventors: Trocki, Mark, Trombley, Frederick W. III, Reilly, David M.
• Primary Examiner(s): Lucchesi, Nicholas D.
• Assistant Examiner(s): Maiorino, Roz
• Application Number:
  US10/067,003
• Publication Number:
  US 20020107481A1
• Time in Patent Office: 1,527 Days
• Field of Search: 604/67, 604/135, 604/523, 604/71, 604/70, 604/97, 604 99-100, 604 51- 65, 604/506, 604154-150, 604/232, 604/209, 604/218, 604/315, 604/892.1, 604/152
• US Class Current: 604/506
• CPC Class Codes: A61M 5/007 for contrast media
• CPC Class Codes: A61M 5/14546 Front-loading type injectors
• CPC Class Codes: A61M 5/14566 with a replaceable reservoir for receiving a piston rod of the pump
• CPC Class Codes: A61M 5/31581 performed by rotationally moving or pivoting actuator operated by user, e.g. an injection lever or handle
• CPC Class Codes: A61M 5/31593 Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir
• CPC Class Codes: A61M 5/31595 Pre-defined multi-dose administration by repeated overcoming of means blocking the free advancing movement of piston rod, e.g. by tearing or de-blocking

Abstract

A syringe loading/filling device (or “syringe loader”) includes a syringe mounting mechanism adapted to cooperate with an attachment mechanism of a syringe to attach the syringe to the syringe loader and a drive member adapted to impart motion to the syringe plunger. The syringes for use with the syringe loader include a syringe plunger slidably disposed therein and an attachment mechanism for attachment of the syringe to an injector. Such injectors include a mounting mechanism adapted to cooperate with the attachment mechanism on the syringe to mount the syringe on the injector.

Claims

1. A device for loading a fluid into a syringe comprising a body having a plunger slidably disposed therein and an attachment mechanism associated with the body for attaching the syringe to an injector comprising a mounting mechanism adapted to cooperate with the attachment mechanism on the syringe to mount the syringe on the injector, the device comprising:

a syringe mounting mechanism adapted to cooperate with the attachment mechanism of the syringe to attach the syringe to the device;

a drive member adapted to impart motion to the syringe plunger;

a lever arm connected to the drive member to impart reciprocal linear motion to the syringe plunger; and

a support frame defining a first slot and a second slot therein, the second slot being substantially perpendicular to the first slot, the lever arm being rotatably connected to the drive via a first pin positioned between the forward end and the rearward end of the lever arm and a second pin positioned forward of the first pin, the first pin traveling in the first slot and the second pin traveling in the second slot during rotation of the lever arm.

2. The device of claim 1 further comprising a mount that is attachable to a surface.

3. The device of claim 2 wherein the support frame is removably attachable to the mount.

4. A system comprising:

a syringe comprising a syringe plunger;

a powered injector to pressurize a fluid loaded into the syringe, the powered injector comprising a drive member to impart motion to the syringe plunger; and

a syringe loader to load fluid into the syringe, the syringe loader comprising;

a lever arm connected to the drive member to impart reciprocal linear motion to the syringe plunger; and

a support frame defining a first slot and a second slot therein, the second slot being substantially perpendicular to the first slot, the lever arm being rotatably connected to the drive member via a first pin positioned between the forward end and the rearward end of the lever arm and a second pin positioned forward of the first pin, the first pin traveling in the first slot and the second pin traveling in the second slot during rotation of the lever arm.

5. The system of claim 4, further comprising a mount that is attachable to a surface.

6. The system of claim 5 wherein the support frame is removably attachable to the mount.