Clamp mounting for a syringe of a dosing apparatus, dosing apparatus and blood treatment apparatus

• US 9,022,981 B2
• Filed: 01/30/2012
• Issued: 05/05/2015
• Est. Priority Date: 01/31/2011
• Status: Active Grant

• Current Assignee: Fresenius Medical Care Deutschland GmbH (Fresenius Medical Care AG)
• Original Assignee: Fresenius Medical Care Deutschland GmbH (Fresenius Medical Care AG)
• Inventors: Oesterreich, Stefan, Stejskal, Martin
• Primary Examiner(s): Wiest, Philip R.
• Assistant Examiner(s): KLEIN, BENJAMIN JACOB
• Application Number:
  US13/360,969
• Publication Number:
  US 20120195793A1
• Time in Patent Office: 1,191 Days
• Field of Search: 604/4.01, 604/5.01, 604/6.01, 604/67, 604/131, 604/152, 604/154, 422/44
• US Class Current: 604/131
• CPC Class Codes: A61M 1/16 with membranes
• CPC Class Codes: A61M 1/3672 Means preventing coagulation
• CPC Class Codes: A61M 2209/082 Mounting brackets, arm supports for equipment
• CPC Class Codes: A61M 5/1415 Stands, brackets or the like for supporting infusion accessories
• CPC Class Codes: A61M 5/1417 Holders or handles for hanging up infusion containers
• CPC Class Codes: A61M 5/1452 pressurised by means of pistons
• CPC Class Codes: A61M 5/1458 Means for capture of the plunger flange

Abstract

The present invention relates to a clamp mounting for accommodating at least one section of a drug delivery device or for restricting it in at least one direction of motion. The drug delivery device features an accommodation chamber for the drug solution or substance to be delivered. The clamp mounting features at least one clamping device. The clamping device features at least one recess which is provided for accommodating or restricting at least one part of the section of the drug delivery device. The recess or at least a section hereof has an arched or curved demarcation between itself and sections of the clamping device that are not recessed. Alternatively or additionally, the recess or at least a section hereof is arched or curved in at least one section hereof. The present invention further relates to a dosing apparatus and a blood treatment apparatus.

Claims

1. A clamp mounting for at least one of accommodating and restricting at least one section of a drug delivery device in at least one direction of motion, the drug delivery device having an accommodation chamber for a drug solution to be delivered, the clamp mounting comprising:

at least one clamping device, the clamping device including at least one recess configured to at least one of accommodate and restrict at least one part of the section of the drug delivery device,

wherein at least one of;

(a) at least a section of the recess includes one of an arched and curved demarcation between the recess and sections of the clamping device that are not recessed, and (b) at least a section of the recess is one of arch-shaped and curve-shaped;

wherein the recess is embodied as a groove;

wherein the section of the recess that (a) includes one of an arched and curved demarcation and/or (b) is one of arch-shaped and curve-shaped, is bound on one side by a surface which is convex in a direction to a delivery opening for the drug in a plane parallel to a moving direction of the drug delivery device for the purpose of drug delivery, and is bound on an opposite side by a surface which is concave.

2. The clamp mounting according to claim 1, wherein the drug delivery device is a syringe, and wherein the section of the drug delivery device is a piston that is movable within the syringe for delivery of the drug solution.

3. The clamp mounting according to claim 1, further comprising:

a support on which the drug delivery device rests with its section which is limited in its mobility by means of the clamping device in its state of use, when the section of the drug delivery device is at least one of accommodated and restricted by the clamping device,

wherein the support has a rolling radius under which the support is rounded off at at least one transition of a supporting surface to one of a front surface and a lateral surface.

4. The clamp mounting according to claim 1, wherein the clamping device further includes at least one front surface having one of:

(a) one of a curve and an arc, and (b) an area that is delimited in curve- or arch-shape.

5. The clamp mounting according to claim 1, wherein the clamping device one of:

(a) further includes a spring, and (b) is connected to a spring.

6. The clamp mounting according to claim 1, wherein the at least one clamping device comprises two clamping devices configured to accommodate the section of the drug delivery device.

7. A dosing apparatus for dosing medical solutions or substances, comprising:

at least one clamp mounting according to claim 1.

8. A blood treatment apparatus for extracorporeal treatment of blood of a patient, comprising:

one of;

(a)at least one clamp mounting according to claim 1, and (b) a dosing apparatus according to claim 7.

9. The blood treatment apparatus according to claim 8, wherein the blood treatment apparatus is an acute dialysis machine.

10. The blood treatment apparatus according to claim 8, wherein the blood treatment apparatus is one of a dialysis apparatus, a hemodialysis apparatus, a hemofiltration apparatus, and a hemodiafiltration apparatus.

11. The clamp mounting according to claim 1, wherein the recess is provided within the clamping device such that a first cross-section through the clamping device above the recess has the same shape as a second cross-section through the clamping device below the recess.