# US 10,864,364 B2 · Dry disconnect/bubble free coupling for blood transfer

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- Number: US 10,864,364 B2
- Document ID: US10864364B2
- Status: Granted
- Kind: B2
- Application number: 16/149,391
- Filed: 2018-10-02
- Published: 2019-04-11
- Granted: 2020-12-15
- Earliest claimed: 2017-10-11
- Assignees: HeartWare, Inc.
- Applicants: HeartWare, Inc.
- Inventors: Stanley P Mack; Charles R. Shambaugh
- Web page: https://patentgrep.com/patent/US10864364B2

## CPC

- A61M 39/26: Valves closing automatically on disconnecting the line and opening on reconnection thereof {(check valves A61M39/24)}
- A61M 1/3638: {with a vapour trap}
- A61M 1/3653: {Interfaces between patient blood circulation and extra-corporal blood circuit}
- F16L 37/244: the coupling being co-axial with the pipe
- F16L 37/36: with two lift valves being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal
- A61M 2039/267: {having a sealing sleeve around a tubular or solid stem portion of the connector}
- A61M 2039/268: {wherein the stem portion is moved for opening and closing the valve, e.g. by translation, rotation}
- 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)}
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

## Abstract

A dry disconnect device including a first portion defining an outlet and an outlet portion of a fluid pathway and a female valve disposed within the first portion having an extended position, including the female valve being configured to seal the outlet portion, and a retracted position. A second portion defining an inlet and an inlet portion of the fluid pathway is lockingly engageable with the first portion. A male valve is disposed within the second portion including a male valve transition member configured to translate the male valve from an extended position to a retracted position including the male valve being configured to seal the inlet portion. The extended position of the male valve causes the female valve to transition from the extended position to the retracted position and causes the outlet portion and the inlet portion of the fluid pathway to be in fluid communication with each other.

## Claims

### Claim 1

A dry disconnect device comprising:
a first housing defining an outlet, a first aperture, and an outlet portion of a fluid channel extending between the outlet and the first aperture;
a first valve disposed within the first housing, the first valve having a closed position including the first valve disposed within and sealing the outlet portion of the fluid channel and an open position including the first valve disposed outside of the outlet portion of the fluid channel;
a second housing removably couplable to the first housing, the second housing defining an inlet, a second aperture, and an inlet portion of the fluid channel extending between the inlet and the second aperture; and
a second valve disposed within the second housing, the second valve having a closed position including the second valve disposed within and sealing the inlet portion of the fluid channel and an open position including the first housing being coupled to the second housing and the second valve being inserted within the first housing to cause the outlet portion and the inlet portion of the fluid channel to be in fluid communication with each other, and
a biasing member coupled to the distal portion of the second valve.

### Claim 2 (depends on 1)

The device of claim 1, wherein the second valve includes a proximal portion and a distal portion opposite the proximal portion, the proximal portion being insertable within the first housing and having a shape complimentary to a shape of the first valve.

### Claim 3 (depends on 2)

The device of claim 2, wherein the second aperture is sized to receive the proximal portion of the second valve therein to seal the inlet portion of the fluid channel.

### Claim 4 (depends on 1)

The device of claim 1, further comprising a locking member coupled to at least one of a group consisting of the first housing and the second housing.

### Claim 5 (depends on 4)

The device of claim 4, further comprising a position sensor coupled to at least one of a group consisting of the first housing and the second housing, the position sensor in communication with the locking member.