# US 10,307,531 B2 · Apparatus for receiving a syringe in a fluid-dispensing apparatus and a method for same and use of such a receptacle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,307,531 B2 - Document ID: US10307531B2 - Status: Granted - Kind: B2 - Application number: 14/768,344 - Filed: 2014-03-19 - Published: 2016-01-07 - Granted: 2019-06-04 - Earliest claimed: 2013-03-21 - Assignees: Fresenius Medical Care Deutschland GmbH - Applicants: Fresenius Medical Care Deutschland GmbH - Inventors: Thomas Faulhaber; Thomas Weingaertner - Web page: https://patentgrep.com/patent/US10307531B2 ## CPC - A61M 5/1458: {Means for capture of the plunger flange} - A61M 5/5086: {for indicating if defective, used, tampered with or unsterile} - A61M 5/1452: {pressurised by means of pistons} - A61M 5/14546: {Front-loading type injectors} - A61M 2005/14506: {mechanically driven, e.g. spring or clockwork} - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## Abstract A device for receiving, without play, a syringe in a fluid-dispensing apparatus has at least two elastically prestressable clamps that grip the flange of the syringe plunger, and an elongated hole is provided for each clamp, such that during operation the clamp grips the plunger flange and slides in the elongated hole while simultaneously moving in a rotational and translatory manner. ## Claims ### Claim 1 A device for receiving a syringe in a fluid-dispensing apparatus has a) at least two clamps prestressed resiliently, such that the clamps grip the plunger flange of a syringe plunger, and b) a housing holding the clamps, characterized in that the clamps independently comprise a holding element, an actuating element, and a cross brace, with at least two protrusions formed on the cross brace, and the clamps are independently held in the housing by the cross brace and the at least two protrusions connecting to an elongated hole formed by the housing for each clamp and surrounding the cross brace, at least one elevation formed by the housing for each clamp, and at least one recess formed by the housing for each clamp. ### Claim 2 (depends on 1) The device according to claim 1, characterized in that the holding element and the actuating element of each clamp are designed in one piece. ### Claim 3 (depends on 1) The device according to claim 1, characterized in that a spring mounted in the housing is connected to one of the protrusions of the cross brace and thus prestresses each of the clamps. ### Claim 4 (depends on 1) The device according to claim 1, characterized in that one of the protrusions on the cross brace has a hook shape and another one of the protrusions on the cross brace has a curve shape. ### Claim 5 (depends on 4) The device according to claim 4, characterized in that the hook-shaped protrusion of the cross brace is connected to a pressure plate, and the curve-shaped protrusion of the cross brace is in contact with the at least one recess and the at least one elevation of the housing. ### Claim 6 (depends on 1) The device according to claim 1, characterized in that the housing has a top half and a bottom half. ### Claim 7 (depends on 1) The device according to claim 1, characterized in that the fluid-dispensing apparatus is a dosing pump. ### Claim 8 (depends on 1) The device according to claim 1, characterized in that the fluid-dispensing apparatus is a heparin pump. ### Claim 9 (depends on 1) The device according to claim 1, characterized in that the device is made of a material that has dimensional stability. ### Claim 10 (depends on 9) The device according to claim 9, characterized in that the material is plastic or metal. ### Claim 11 (depends on 1) The device according to claim 1, characterized in that the plunger flange to be gripped varies in thickness from 1.2 mm to 3 mm. ### Claim 12 (depends on 1) The device according to claim 1, characterized in that the at least one elevation has an angle between 0° and 50°. ### Claim 13 (depends on 1) The device according to claim 1, characterized in that the device can be operated with one hand. ### Claim 14 (depends on 1) A medical technical treatment unit containing the device according to claim 1. ### Claim 15 (depends on 1) Use of the device according to claim 1 comprises administering a fluid to a patient. ### Claim 16 (depends on 1) An evaluation unit for the device according to claim 1, has sensors which detect positioning of the plunger flange and of the clamps. ### Claim 17 (depends on 1) The device according to claim 1, characterized in that the fluid-dispensing apparatus is an infusion pump.