# US 11,992,462 B2 · Fluid transfer station in a robotic pharmaceutical preparation system

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- Number: US 11,992,462 B2
- Document ID: US11992462B2
- Status: Granted
- Kind: B2
- Application number: 18/132,031
- Filed: 2023-04-07
- Published: 2023-09-14
- Granted: 2024-05-28
- Earliest claimed: 2022-03-08
- Assignees: Equashield Medical Ltd.
- Applicants: Equashield Medical Ltd
- Inventors: Eric Shem-Tov; Marino Kriheli; Boaz Slav; Raanan Tavor; Gonen Daskal
- Web page: https://patentgrep.com/patent/US11992462B2

## CPC

- A61J 1/2055: {having gripping means}
- A61J 1/1406: {Septums, pierceable membranes}
- A61J 1/2089: {Containers or vials which are to be joined to each other in order to mix their contents (combinations of vial and syringe for mixing their contents A61J1/2096)}
- A61J 1/2096: {Combination of a vial and a syringe for transferring or mixing their contents}
- A61J 3/002: {Compounding apparatus specially for enteral or parenteral nutritive solutions (bottling liquids B67C)}
- B25J 13/08: by means of sensing devices, e.g. viewing or touching devices
- B65B 3/003: {Filling medical containers such as ampoules, vials, syringes or the like}
- A61J 1/065: {Rigid ampoules, e.g. glass ampoules}
- A61J 1/10: Bag-type containers
- A61J 1/201: {having one piercing end}
- A61J 2200/70: Device provided with specific sensor or indicating means
- A61J: CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- B25J: MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES ({manipulators specially adapted for use in surgery A61B34/70; manipulators used in cleaning hollow articles B08B9/04}; manipulators associated with rolling mills B21B39/20; manipulators associated with forging machines B21J13/10; {manipulators associated with picking-up and placing mechanisms B23P19/007}; means for holding wheels or parts thereof B60B30/00; {vehicles with ground-engaging propulsion means, e.g. walking members B62D57/02, B62D57/032; devices for picking-up and depositing articles or materials between conveyors B65G47/90, B65G47/91; manipulators with gripping or holding means for transferring packages B65H67/065}; cranes B66C; {manipulators used in the protection or supervision of pipe-line installations F17D5/00; walking equipment adapted for nuclear steam-generators F22B37/006}; manipulators specially adapted for, or associated with, nuclear reactors G21C; {apparatus used for handling wafers during manufacture or treatment of semiconductor H10P72/50})
- B65B: MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING (bundling and pressing devices for cigars A24C1/44; devices for tensioning and securing binders adapted to be supported by the article or articles to be bound B25B25/00; applying closure members to bottles, jars or similar containers B67B1/00-B67B6/00; concurrent cleaning, filling and closing of bottles B67C7/00; emptying bottles, jars, cans, casks, barrels or similar containers B67C9/00)

## Abstract

A robotic system and method are provided for transfer of fluid between a container accessible via a container-septum and a fluid transfer assembly accessible via a fluid transfer connector septum. The robotic system includes a controller and a manipulator controllable by the controller to manipulate at least one of the container and the fluid transfer assembly. The controller is configured to operate the manipulator to secure contact between the container-septum and the fluid transfer connector septum during at least a portion of the transfer of the fluid.

## Claims

### Claim 1

A robotic system operable for transfer of fluid between a container accessible via a container-septum and a fluid transfer assembly accessible via a fluid transfer connector, the robotic system comprising:
a manipulator configured to manipulate at least one of the container and the fluid transfer assembly by applying a force to and/or moving at least one of the container and the fluid transfer assembly for establishing fluid communication therebetween;
a motor configured to move the manipulator for said applying said force to and/or moving the at least one of the container and the fluid transfer assembly for said establishing said fluid communication, said motor being configured to consume variable power for moving said manipulator; and
a controller configured to monitor said power consumption and controlling the motor based at least thereon.

### Claim 2 (depends on 1)

The robotic system according to claim 1, wherein the motor comprises a motor shaft operable to cause the movement of the manipulator and an encoder operable to detect a position of the motor shaft, wherein the controller is configured to control the motor based on a combination of said power consumption and the position of the motor shaft.

### Claim 3 (depends on 1)

The robotic system according to claim 1, wherein the controller is configured to predetermine at least one of an upper and lower range of power consumption, and to generate an alert upon detection of a deviation of the power consumption from the predetermined range.

### Claim 4 (depends on 1)

The robotic system according to claim 1, wherein the power consumption is measurable by a magnitude of current applied to the motor.

### Claim 5 (depends on 1)

The robotic system according to claim 1, further comprising a fluid transfer connector configured to establish said fluid communication between the container and the fluid transfer assembly, said fluid transfer connector comprising a body member and a sleeve displaceable relative to each other between an extended position, which is a normal position, and a collapsed position, at which the fluid transfer connector establishes said fluid communication, wherein said manipulator is configured to displace the fluid transfer connector between its extended position and collapsed position.

### Claim 6 (depends on 5)

The robotic system according to claim 5, wherein the fluid transfer connector comprises a fluid transfer conduit associated with the body member and a fluid transfer connector septum associated with the sleeve, said fluid transfer connector being configured to establish said fluid communication between the container and the fluid transfer assembly upon a fluid communication portion of the fluid transfer conduit is positioned at a reference location, wherein the controller is configured to monitor a position of the fluid communication portion and to control the motor based at least thereon.

### Claim 7 (depends on 1)

The robotic system according to claim 1, wherein the controller is further configured to control the manipulator to:
bring the container-septum and a fluid transfer connector septum of the fluid transfer connector into contact; and
secure said contact between the container-septum and the fluid transfer connector septum by pressing at least one of the container-septum and the fluid transfer connector septum onto the other one of the container-septum and the fluid transfer connector septum during at least a portion of the transfer of the fluid.

### Claim 8 (depends on 7)

The robotic system according to claim 7, wherein the manipulator comprises a pressing mechanism configured to ensure a predetermined compression threshold between the container-septum and the fluid transfer connector septum is reached before initiation of the transfer of the fluid, said reaching of the predetermined compression threshold being associated with said securing the contact.

### Claim 9 (depends on 8)

The robotic system according to claim 8, wherein the controller is configured to operate the manipulator to perform at least one of:
align the fluid transfer connector septum of the fluid transfer assembly and the container-septum of the container; and
execute at least partial penetration of at least one of the fluid transfer connector septum and the container-septum by a fluid transfer conduit associated with the fluid transfer connector to enable the transfer of the fluid, wherein the pressing mechanism is configured to ensure that the predetermined compression threshold between the container-septum and the fluid transfer connector septum is reached before said at least partial penetration.

### Claim 10 (depends on 7)

The robotic system according to claim 7, wherein the manipulator comprises:
a gripping arm configured to grip a gripping portion of at least one of the fluid transfer assembly and the container; and
an engaging arm configured to engage the fluid transfer assembly at an engaging portion when the gripping arm grips the fluid transfer assembly, said engaging arm being configured to be axially movable relative to said gripping arm.

### Claim 11 (depends on 10)

The robotic system according to claim 10, wherein the controller is configured to control the engaging arm and the gripping arm such that:
the gripping arm grips a body member of the fluid transfer connector being fixedly coupled relative to a fluid transfer conduit of the fluid transfer connector, aligns the fluid transfer assembly with the container, and brings a fluid transfer connector septum of the fluid transfer connector in contact with the container-septum;
the engaging arm engages a sleeve of the fluid transfer connector, the sleeve being fixedly coupled relative to the fluid transfer connector septum, presses the fluid transfer connector septum against the container-septum to secure the contact therebetween; and
the gripping arm causes a collapsible movement of the body member and the sleeve towards each other, which executes at least partial movement of the fluid transfer conduit and the fluid transfer connector septum towards each other for facilitating the transfer of the fluid.

### Claim 12 (depends on 11)

The robotic system according to claim 11, wherein the gripping arm is further configured to apply a radial force on an external wall of the fluid transfer assembly and the controller is configured to control the gripping arm to selectively apply said radial force to press upon a fluid transfer connector actuator of the fluid transfer assembly.

### Claim 13 (depends on 1)

The robotic system according to claim 1, wherein the fluid transfer assembly comprises a syringe, the robotic system further comprising a plunger arm configured to operate a plunger of the syringe and wherein the controller is configured to control said plunger arm to:
grip a plunger flange portion of the plunger; and
axially displace the plunger flange portion for transferring the fluid between the syringe and the container.

### Claim 14 (depends on 10)

The robotic system according to claim 10, wherein the gripping arm comprises at least one projecting element configured to apply a radial force on an external wall of the fluid transfer assembly when the fluid transfer assembly is manipulated by the robotic system.

### Claim 15 (depends on 1)

The robotic system according to claim 1, further comprising the fluid transfer connector, which extends between a connector proximal end configured to be connected to a fluid transfer unit of the fluid transfer assembly and a connector distal end comprising a fluid transfer connector septum, said fluid transfer connector being configured to establish fluid communication between the fluid transfer unit and the container for said transfer of fluid.

### Claim 16 (depends on 15)

The robotic system according to claim 15, wherein the fluid transfer connector comprises:
a connector body extending from the connector proximal end towards a body distal end; and
said fluid transfer connector septum comprising a septum protruding portion extending from the body distal end towards the connector distal end.

### Claim 17 (depends on 15)

The robotic system according to claim 15, wherein the fluid transfer connector comprises a body member and a sleeve displaceable relative to each other between an extended position, which is a normal position, and a collapsed position, at which the fluid transfer connector establishes said fluid communication.

### Claim 18 (depends on 16)

The robotic system according to claim 16, wherein the fluid transfer connector comprises a locking mechanism configured to be displaced between a locked state at which the locking mechanism prevents displacement of the fluid transfer connector into its collapsed position and an unlocked state at which the locking mechanism allows displacement of the fluid transfer connector into its collapsed position.

### Claim 19 (depends on 1)

The robotic system according to claim 1, wherein the fluid transfer connector comprises a fluid transfer connector septum, and wherein the controller is configured to control the manipulator to perform at least one or more of:
align the fluid transfer connector septum of the fluid transfer assembly and the container-septum of the container;
move the container-septum and the fluid transfer connector septum relatively toward each other along a longitudinal axis of the container-septum and the fluid transfer connector septum;
bring the container-septum and the fluid transfer connector septum of the fluid transfer connector into contact;
cause a compression between the container-septum and the fluid transfer connector septum;
press at least one of the container-septum and the fluid transfer connector septum onto the other one of the container-septum and the fluid transfer connector septum during at least a portion of the transfer of the fluid; and
ensure a predetermined compression threshold between the container-septum and the fluid transfer connector septum is reached before initiation of the transfer of the fluid.

### Claim 20

A method for transferring fluid between a container accessible via a container-septum and a fluid transfer assembly accessible via a fluid transfer connector, the method, by operation of a robotic system, comprising at least one of:
controlling a manipulator of the robotic system to manipulate at least one of the container and the fluid transfer assembly by applying a force to and/or moving at least one of the container and the fluid transfer assembly for establishing fluid communication therebetween;
operating a motor of the robotic system to move the manipulator for said applying said force to and/or moving the at least one of the container and the fluid transfer assembly for said establishing said fluid communication, wherein said operating the motor comprises consuming variable power; and
monitoring by a controller of the robotic system said power consumption; and
controlling the motor based at least on said monitoring.

### Claim 21 (depends on 20)

The method according to claim 20, further comprising:
operating a motor shaft of the motor to cause the movement of the manipulator; and
detecting by an encoder of the motor a position of the motor shaft,
wherein said controlling the motor based at least on said monitoring comprises controlling the motor based on a combination of said power consumption and the position of the motor shaft.

### Claim 22 (depends on 20)

The method according to claim 20, wherein said monitoring said power consumption comprises predetermining at least one of an upper and lower range of power consumption, and the method further comprises generating an alert upon detection of a deviation of the power consumption from the predetermined range.

### Claim 23

A robotic system operable for transfer of fluid between a container accessible via a container-septum and a fluid transfer assembly accessible via a fluid transfer connector, the robotic system comprising:
a manipulator configured to manipulate at least one of the container and the fluid transfer assembly for establishing fluid communication therebetween;
a motor configured to move the manipulator for establishing said fluid communication, said motor being configured to consume variable power for moving said manipulator; and
a controller configured to monitor said power consumption and controlling the motor based at least thereon;
wherein the controller is further configured to control the manipulator to:
bring the container-septum and a fluid transfer connector septum of the fluid transfer connector into contact; and
secure said contact between the container-septum and the fluid transfer connector septum by pressing at least one of the container-septum and the fluid transfer connector septum onto the other one of the container-septum and the fluid transfer connector septum during at least a portion of the transfer of the fluid;
wherein the manipulator comprises:
a gripping arm configured to grip a gripping portion of at least one of the fluid transfer assembly and the container; and
an engaging arm configured to engage the fluid transfer assembly at an engaging portion when the gripping arm grips the fluid transfer assembly, said engaging arm being configured to be axially movable relative to said gripping arm;
wherein the controller is configured to control the engaging arm and the gripping arm such that:
the gripping arm grips a body member of the fluid transfer connector being fixedly coupled relative to a fluid transfer conduit of the fluid transfer connector, aligns the fluid transfer assembly with the container, and brings the fluid transfer connector septum of the fluid transfer connector in contact with the container-septum;
the engaging arm engages a sleeve of the fluid transfer connector, the sleeve being fixedly coupled relative to the fluid transfer connector septum, presses the fluid transfer connector septum against the container-septum to secure the contact therebetween; and
the gripping arm causes a collapsible movement of the body member and the sleeve towards each other, which executes at least partial movement of the fluid transfer conduit and the fluid transfer connector septum towards each other for facilitating the transfer of the fluid; and
wherein the engaging arm is formed with a pressing surface configured to being pressed onto a radial stop of the fluid transfer assembly to perform said securing of the contact between the container-septum and the fluid transfer connector septum.
