Source: http://www.google.ca/patents/US9056160
Timestamp: 2017-10-17 19:01:53
Document Index: 608765252

Matched Legal Cases: ['Application No. 05810500', 'Application No. 05810500', 'Application No. 11768544', 'Application No. 12734200', 'Application No. 10192477', 'Application No. 10192477']

Patent US9056160 - Magnetically balanced finger-type peristaltic pump - Google Patents
A peristaltic pump includes a plurality of effecters, actuated in a periodic manner upon by obstructive forces of a flexible infusion tube so as flow of infusion fluid is provided along said infusion tube, the magnitude of the obstructive forces being dependent upon the displacement of said moving effecters;...http://www.google.ca/patents/US9056160?utm_source=gb-gplus-sharePatent US9056160 - Magnetically balanced finger-type peristaltic pump
Publication number US9056160 B2
Application number US 14/016,105
Filing date 1 Sep 2013
Also published as US8535025, US9581152, US20090240201, US20140005631, US20150275886, US20170234309
Publication number 016105, 14016105, US 9056160 B2, US 9056160B2, US-B2-9056160, US9056160 B2, US9056160B2
Inventors Shachar Rotem, Ori Goldor
Original Assignee Q-Core Medical Ltd
Patent Citations (289), Non-Patent Citations (108), Referenced by (7), Classifications (14), Legal Events (1)
US 9056160 B2
a fluid flow channel including a flexible segment;
at least one effecter including a ferrite member and adapted to intermittently compress the flexible segment within said channel, wherein compression of the flexible segment produces a reactive force;
2. The peristaltic pump as in claim 1, wherein the fluid flow channel includes a silicon element.
3. The peristaltic pump as in claim 1, wherein the fluid flow channel has at least a first cross-sectional geometry.
4. The peristaltic pump as in claim 3, wherein the at least first fluid flow channel cross-sectional geometry includes a round cross section.
5. The peristaltic pump as in claim 3, wherein the at least first fluid flow channel cross-sectional geometry includes a rectangular cross section.
6. The peristaltic pump as in claim 3, further comprising an at least second cross-sectional geometry along a length of the channel and said second cross-sectional geometry is different than said first cross-sectional geometry.
7. The peristaltic pump as in claim 1, wherein said at least one effecter is a pressing finger.
8. The peristaltic pump as in claim 1, wherein said ferrite member is a magnetic material and said balancing member includes a metallic material.
9. The peristaltic pump as in claim 1, wherein said ferrite member is a metallic material and said balancing member includes a magnetic material.
10. The peristaltic pump as in claim 1, wherein said ferrite member is a magnetic material and said balancing member includes a magnetic material.
11. The peristaltic pump as in claim 1, wherein said at least one effecter periodically moves relatively to the flexible segment, and said magnetically interacting includes producing a balancing force to substantially counter said reactive force of the flexible segment while the at least one effecter moves.
12. The peristaltic pump as in claim 11, wherein said balancing force substantially counters said reactive force while the at least one effecter moves in forth or backward movement.
13. The peristaltic pump according to claim 1, wherein said balancing member produces a permanent magnetic field.
14. The peristaltic pump according to claim 1, wherein said balancing member is attracted to a magnetic field.
This application is a continuation of U.S. patent application Ser. No. 12/463,399, filed May 10, 2009 by the inventors of the present application and entitled “MAGNETICALLY BALANCED FINGER-TYPE PERISTALTIC PUMP”;
It is furthermore within the scope of the present invention and according to one specific embodiment of the same, wherein the aforementioned advantages are provided while still minimizing the first, second, and third derivatives of radius with shaft angle .theta The first derivative directly controls the finger velocity, and thus influences the kinetic energy invested therein. The second derivative affects the force upon the tube, which it is desirable to reduce insofar as possible in order to eliminate jamming, tube rupture, or disturbance of the fragile materials such as human cells passing through the tube. The third derivate controls the ‘jerk’ of the finger, which it is desirable to minimize since the jerk causes undue stress and strains on the cam, introduces vorticities into the flow, and causes vibration and noise.
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International Classification F04B45/08, F04B43/09, F04B45/067, F04B43/08, A61M5/142, F04B43/12
Cooperative Classification F04B43/1223, F04B43/0081, F04B43/08, A61M5/14228, A61M5/142, F04B43/0072, F04B43/082
8 Sep 2013 AS Assignment
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROTEM, SHACHAR;GOLDOR, ORI;SIGNING DATES FROM 20130827 TO 20130828;REEL/FRAME:031160/0060