Anesthetic transfer system

A device for receiving a pierceable closure on an anesthetic container, said device comprising:

• a body defining (1) a receiving port for said container closure, (2) a piercing conduit extending into said port, (3) a recess, and (4) at least one fluid transfer passage extending from said piercing conduit through said body;
• a rotatable member mounted for rotation on said body and defining a rotatable cam surface;
• and
• a clamp member disposed in said body recess adjacent said receiving cavity, said clamp member having a first cam follower surface adjacent said rotatable cam surface and having an inwardly movable cam surface for engaging said container closure whereby rotation of said rotatable member drives said clamp member against said container closure to (1) urge said container closure further into said receiving port wherein said closure is pierced by said piercing conduit and (2) clamp the pierced closure in a fixed position.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion adapted to be mounted to said vaporizer at said vaporizer fluid passage, said stationary portion having a fluid passage communicating between said vaporizer fluid passage and at least two locations on a circular arc;
• and
• a rotatable body mounted for rotation on said stationary portion, said body defining a receiving region to which said container can be connected and defining a fluid passage communicating between said container and said stationary portion fluid passage when said body is in each of two rotated positions, one of said positions being a fill position and one of said positions being a drain position,
• said stationary portion has an abutment pin normally biased toward an extended position;
• and
• said rotatable body has an engaging pin for engaging said abutment pin when said body is rotated to a predetermined position.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion adapted to be mounted to said vaporizer at said vaporizer fluid passage, said stationary portion having a fluid passage communicating between said vaporizer fluid passage and at least two locations on a circular arc;
• and
• a rotatable body mounted for rotation on said stationary portion, said body defining a receiving region to which said container can be connected and defining a fluid passage communicating between said container and said stationary portion fluid passage when said body is in each of two rotated positions, one of said positions being a fill position and one of said positions being a drain position,
• said stationary portion has a latch pin normally biased toward an extended position;
• and
• said rotatable body has a bore for receiving said latch pin to prevent rotation of said body.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion adapted to be mounted to said vaporizer at said vaporizer fluid passage, said stationary portion having a fluid passage communicating between said vaporizer fluid passage and at least two locations on a circular arc;
• and
• a rotatable body mounted for rotation on said stationary portion, said body defining a receiving region to which said container can be connected and defining a fluid passage communicating between said container and said stationary portion fluid passage when said body is in each of two rotated positions, one of said positions being a fill position and one of said positions being a drain position,
• said rotatable body has a drive pin movable in said bore for forcing said latch pin out of said bore to permit rotation of said body.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion adapted to be mounted to said vaporizer at said vaporizer fluid passage, said stationary portion having a fluid passage communicating between said vaporizer fluid passage and at least two locations on circular arc;
• and
• a rotatable body mounted for rotation on said stationary portion, said body defining a receiving region to which said container can be connected and defining a fluid passage communicating between said container and said stationary portion fluid passage when said body is in each of two rotated positions, one of said positions being a fill position and one of said positions being a drain position,
• said stationary portion defines at least one bore containing a ball normally biased to project partially out of said bore;
• and
• said rotatable body defines a bore for receiving said projecting portion of said ball in a predetermined rotational position.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion and a rotatable body mounted for rotation on said stationary portion;
• said stationary portion and rotatable body defining generally flat, mating faces;
• said stationary portion defining a fluid passage communicating between said vaporizer fluid passage and said face of said stationary portion;
• said rotatable body defining a fluid passage communicating between said container and said face of said rotatable body;
• said fluid passages of said stationary portion and said rotatable body being in communication only in two rotated positions of said rotatable body,
• said stationary portion has an abutment pin normally biased toward an extended position;
• and
• said rotatable body has an engaging pin for engaging said abutment pin when said body is rotated to a predetermined position.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion and a rotatable body mounted for rotation on said stationary portion;
• said stationary portion and rotatable body defining generally flat, mating faces;
• said stationary portion defining a fluid passage communicating between said vaporizer fluid passage and said face of said stationary portion;
• said rotatable body defining a fluid passage communicating between said container and said face of said rotatable body;
• said fluid passages of said stationary portion and said rotatable body being in communication only in two rotated positions of said rotatable body,
• said stationary portion has a latch pin normally biased toward an extended position;
• and
• said rotatable body has a bore for receiving said latch pin to prevent rotation of said body.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion and a rotatable body mounted for rotation on said stationary portion;
• said stationary portion and rotatable body defining generally flat, mating faces;
• said stationary portion defining a fluid passage communicating between said vaporizer fluid passage and said face of said stationary portion;
• said rotatable body defining a fluid passage communicating between said container and said face of said rotatable body;
• said fluid passages of said stationary portion and said rotatable body being in communication only in two rotated positions of said rotatable body,
• said stationary portion defines at least one bore containing a ball normally biased to project partially out of said bore;
• and
• said rotatable body defines a bore for receiving said projecting portion of said ball in a predetermined rotational position.

A transfer device suitable for mounting on an anesthetic vaporizer for connecting a fluid passage of the vaporizer with an anesthetic container, said transfer device comprising:

• a stationary portion and a rotatable body mounted for rotation on said stationary portion;
• said stationary portion and rotatable body defining generally flat, mating faces:
• said stationary portion defining a fluid passage communicating between said vaporizer fluid passage and said face of said stationary portion;
• said rotatable body defining a fluid passage communicating between said container and said face of said rotatable body;
• said fluid passages of said stationary portion and said rotatable body being in communication only in two rotated positions of said rotatable body,
• said transfer device further comprising a sensing system for sensing indicia on said container.