IP Library Granted Patent US 10,195,334
Granted Patent B2
US 10,195,334 · App. 15/071,896 · Granted Feb 5, 2019

Filter and frame apparatus and method of use

Inventors: William M. Appling (Granville, NY); Stephen N. Engelhard (Queensbury, NY); Matthew G. Barton (Wilton, NY)
Assignee: Delcath Systems, Inc.
A61M1/3626A61M1/3639A61M1/3679B01D25/002B01D25/06B01D29/52B01D35/306A61M2202/0057A61M2202/0413B01D24/002Y10T29/49826
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Quick Facts
Patent No.
US 10,195,334
App. No.
15/071,896
Granted
Feb 5, 2019
Kind
B2
Abstract

Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.

Claims (16)

1. A method of setting up a filter apparatus for a hemo filtration therapy, comprising:

attaching a filter apparatus to an IV pole, wherein the filter apparatus comprises two or more filter cartridges each having a first end with an inlet and a first screen and a second end with an outlet and a second screen, and walls comprising a cartridge tube that is transparent and comprises a filter media;

a housing comprising an upper plate and a lower plate and configured to hold the two or more filter cartridges in about the same orientation, the upper plate and the lower plate each defining two or more openings to which the two or more filter cartridges are rotatably coupled and wherein the two or more filter cartridges extend through the two or more openings of the upper plate and the lower plate, and

rotating the two or more filter cartridges to observe if there are lodged air bubbles in the filter media.

2. The method of claim 1 , wherein the upper plate and lower plate are connected to each other.

3. The method of claim 1 , wherein the attaching is by clamping.

4. The method of claim 1 , further comprising connecting the two or more filter cartridges to a pump, saline supply bag, or flow rate monitor with a tubing.

5. The method of claim 1 , further comprising priming the filter cartridges.

6. The method of claim 1 , further comprising flushing the filter cartridge with saline.

7. The method of claim 6 , wherein flushing the filter cartridge with saline comprises filing the filter cartridge with saline from the bottom.

8. The method of claim 1 , further comprising tapping the filter cartridge walls to free a lodged air bubble.

9. The method of claim 1 , further comprising forming a connection between the two or more filter cartridges and a supply catheter and a venous return catheter.

10. The method of claim 1 , wherein the upper plate and lower plate are oriented substantially parallel to each other.

11. The method of claim 1 , wherein the filter apparatus further comprises an attachment clamp connected to the housing.

12. The method of claim 1 , wherein the filter media comprises activated carbon.

13. The method of claim 12 , wherein the filter media is hydrogel coated activated carbon.

Assignments (13)
RELEASE OF SECURITY INTEREST Recorded Oct 14, 2024
From: AVENUE VENTURE OPPORTUNITIES FUND, L.P.
To: DELCATH SYSTEMS, INC.
Reel/Frame 068891/0510 →
SECURITY INTEREST Recorded Sep 20, 2021
From: DELCATH SYSTEMS, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND, L.P.
Reel/Frame 057523/0520 →
SECURITY AGREEMENT Recorded Jul 18, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH SYSTEMS B .V.
To: ROSALIND OPPORTUNITIES FUND I LP; ROSALIND MASTER FUND LP
Reel/Frame 049802/0378 →
SECURITY AGREEMENT Recorded May 24, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH SYSTEMS B .V.
To: ROSALIND OPPORTUNITIES FUND I LP; ROSALIND MASTER FUND LP
Reel/Frame 049286/0377 →
CORRECTIVE ASSIGNMENT TO CORRECT THE ATTACHED DOCUMENT PREVIOUSLY RECORDED AT REEL: 049218 FRAME: 0441. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded May 23, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH SYSTEMS B .V.
To: ROSALIND MASTER FUND LP
Reel/Frame 049283/0694 →
CORRECTIVE ASSIGNMENT TO CORRECT THE CONVEYING PARTY NAME PREVIOUSLY RECORDED AT REEL: 049128 FRAME: 0792. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT. Recorded May 20, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH SYSTEMS B.V.
To: ROSALIND OPPORTUNITIES FUND I LP; ROSALIND MASTER FUND LP
Reel/Frame 049221/0633 →
SECURITY AGREEMENT Recorded May 20, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH SYSTEMS B.V.
To: ROSALIND OPPORTUNITIES FUND I LP; ROSALIND MASTER FUND LP
Reel/Frame 049221/0748 →
CORRECTIVE ASSIGNMENT TO CORRECT THE CONVEYING PARTY PREVIOUSLY RECORDED AT REEL: 049127 FRAME: 0954. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENTS. Recorded May 17, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH SYSTEMS B.V.
To: ROSALIND MASTER FUND LP
Reel/Frame 049218/0441 →
SECURITY AGREEMENT Recorded May 9, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH HOLDINGS B.V.
To: ROSALIND OPPORTUNITIES FUND I LP; ROSALIND MASTER FUND LP
Reel/Frame 049128/0792 →
SECURITY AGREEMENT Recorded May 9, 2019
From: DELCATH SYSTEMS, INC.; DECALTH HOLDINGS LIMITED; DELCATH SYSTEMS LIMITED; DELCATH SYSTEMS UK LIMITED; DELCATH SYSTEMS GMBH; DELCATH HOLDINGS B.V.
To: ROSALIND MASTER FUND LP
Reel/Frame 049127/0954 →
RELEASE OF SECURITY INTEREST Recorded Apr 24, 2018
From: HUDSON BAY MASTER FUND LTD.
To: DELCATH SYSTEMS, INC.
Reel/Frame 045624/0355 →
SECURITY INTEREST Recorded Jun 14, 2016
From: DELCATH SYSTEMS, INC.
To: HUDSON BAY MASTER FUND LTD.
Reel/Frame 038911/0814 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2016
From: APPLING, WILLIAM; ENGELHARD, STEPHEN; BARTON, MATTHEW
To: DELCATH SYSTEMS, INC.
Reel/Frame 038911/0239 →
Continuity (3)
Division 13731016 · Dec 30, 2012
Provisional Application 61581496 · Dec 29, 2011
Related Publication 20160193401A1 · Jul 7, 2016