Predonation blood sampling apparatus
AssigneeTeva Medical Ltd.
InventorsMenachem Kraus, Eli Shemesh
Life of this patent
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Abstract
This invention discloses a donor blood donation and sampling system including a donor needle adapted for drawing blood from a body, a blood collection bag coupled to a blood collection conduit which is coupled to the donor needle, a blood sampling conduit also coupled to the donor needle, and a sampling tube assembly arranged for selectable fluid engagement with the blood sampling conduit and for selectable clamping engagement with at least said blood collection conduit. A donor blood donation and sampling method is also disclosed.
Claims174
A donor blood donation and sampling system comprising:
- a donor needle adapted for drawing blood from a body;
- a blood collection bag coupled to a blood collection conduit which is coupled to said donor needle:
- a blood sampling conduit also coupled to said donor needle;
- and
- a sampling tube assembly arranged for selectable fluid engagement with said blood sampling conduit and for selectable clamping engagement with at least said blood collection conduit.
A donor blood donation and sampling system according to claim any of the preceding claims and wherein said sampling tube assembly is arranged to receive pre-donation blood directly from said donor needle via said blood sampling conduit.
A donor blood donation and sampling system according to any of the preceding claims and also comprising an expansion container connected to at least one of said blood sampling conduit and said supply conduit leading to said blood sampling conduit and said blood collection conduit, said expansion container being operative to enable an initial blood flow from said needle at least toward said expansion container, thereby enabling an operator to readily sense successful communication of said donor needle with blood in the vein of a donor.
A donor blood donation and sampling system according to any of the preceding claims and also comprising a breakaway cannula located on said blood collection conduit.
A donor blood donation and sampling system according to any of the preceding claims and wherein said sampling tube assembly comprises:
- a needle having first and second sharpened points at its opposite ends;
- a clamping assembly for selectable clamping engagement of a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and the interior of said vacuum sampling tube;
- and
- resilient material disposed about said first sharpened point for preventing inadvertent piercing of said blood sampling conduit by said needle prior to clamping engagement therewith.
A donor blood donation and sampling system according to any of the preceding claims and wherein said blood collection conduit includes a breakaway cannula.
A donor blood donation and sampling system according to any of the preceding claims and wherein said sampling tube assembly comprises:
- a plurality of retaining protrusions which serve to retain the sampling tube assembly in engagement with the blood collection conduit and with the blood sampling conduit, even before closure of a clamping assembly of said sampling tube assembly.
A donor blood donation and sampling system according to any of the preceding claims and wherein said sampling tube assembly comprises a clamping assembly which operatively engages both the sampling conduit and the collection conduit, said clamping assembly having first and second separately hinged clamping elements, said first clamping element including engagement protrusions which, when closed, engage said sampling conduit and produce piercing thereof, said second clamping element including a protrusion which, when said clamping element is closed, produces blocking of said collection conduit.
A sampling tube assembly for use in a donor blood sampling system and being arranged for selectable fluid engagement with a blood sampling conduit, said sampling tube assembly comprising:
- a needle having first and second sharpened points at its opposite ends;
- a clamping assembly for selectable clamping engagement of a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- resilient material disposed about said first sharpened point for preventing inadvertent piercing of said blood sampling conduit by said needle prior to clamping engagement therewith.
A sampling tube assembly for use in a donor blood sampling system and being arranged for selectable fluid engagement with a blood sampling conduit, said sampling tube assembly comprising:
- a needle having first and second sharpened points at its opposite ends;
- a clamping assembly for selectable clamping engagement of a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- sealing material disposed about said first sharpened point and being operative in association with said blood sampling conduit and said needle for preventing leakage of blood from said blood sampling conduit after piercing thereof by said needle.
A sampling tube assembly for use in a donor blood sampling system and being arranged for selectable fluid engagement with a blood sampling conduit, said sampling tube assembly comprising:
- a needle having first and second sharpened points at its opposite ends;
- a clamping assembly for selectable clamping engagement with a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- a vacuum sampling rube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereof providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube,
- said clamping assembly being operative upon selectable clamping engagement of a blood sampling conduit to simultaneously block at least one of said blood sampling conduit and a blood collection conduit engaged thereby.
A sampling tube assembly for use in a donor blood sampling system and being arranged for selectable fluid engagement with a blood sampling conduit, said sampling tube assembly comprising:
- a needle having first and second sharpened points at its opposite ends;
- a clamping assembly for selectable clamping engagement with a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- a retaining assembly for retaining said sampling tube assembly in engagement with at least said blood sampling conduit prior to clamping engagement therewith.
A donor blood donation and sampling system comprising:
- a donor needle adapted for drawing blood from a body;
- a blood collection bag coupled to a blood collection conduit which is coupled to said donor needle;
- a breakaway cannula located on said blood collection conduit.
A blood donor donation and sampling system comprising:
- sampling apparatus attached to a tubing branch;
- a donor needle attached to an upstream tube, said donor needle being adapted for drawing blood from a body;
- and
- a main collection bag attached to a donor tube;
- characterized by
- a flow controller comprising:
- an inlet flow member including an inlet port connected to said upstream tube;
- and
- an outlet flow member connected to said inlet flow member and comprising a first outlet port connected to said tubing branch, and a second outlet port connected to said donor tube, said flow controller having a first position and a second position, wherein in said first position, blood can flow to said sampling apparatus via said first outlet port and said tubing branch, said second outlet port and said donor tube being substantially sealed from blood flowing therein, and wherein in said second position, blood can flow to said main collection bag via said second outlet port and said donor tube, said first outlet port and said tubing branch being substantially sealed from blood flowing therein.
A donor blood donation and sampling system comprising a collection bag, a sample bag and a volume limiting clamp clamped to said bag.
A donor blood donation and sampling method comprising:
- drawing blood from a body;
- providing a blood collection bag which is coupled to a blood collection conduit which is, in turn, coupled to said donor needle;
- coupling a blood sampling conduit to said donor needle;
- and
- arranging a sampling tube assembly in selectable fluid engagement with said blood sampling conduit for selectable clamping engagement with at least said blood collection conduit, thereby providing blood to said sampling tube assembly prior to providing blood to said blood collection bag.
A donor blood donation and sampling method and wherein said method does not involve the use of a blood sampling bag.
A donor blood donation and sampling method according to any of the preceding claims and wherein said sampling tube assembly comprises:
- a needle having first and second sharpened points at its opposite ends;
- a clamping assembly for selectable clamping engagement of a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and the interior of said vacuum sampling tube;
- and
- resilient material disposed about said first sharpened point for preventing inadvertent piercing of said blood sampling conduit by said needle prior to clamping engagement therewith.
A donor blood sampling method for selectable fluid engagement with a blood sampling conduit comprising:
- providing a sampling tube assembly;
- providing a needle having first and second sharpened points at its opposite ends;
- employing a clamping assembly for selectable clamping engagement of the blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- operating a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- providing resilient material disposed about said first sharpened point for preventing inadvertent piercing of said blood sampling conduit by said needle prior to clamping engagement therewith.
A donor blood sampling method for selectable fluid engagement with a blood sampling conduit, comprising:
- providing a sampling tube assembly;
- providing a needle having first and second sharpened points at its opposite ends;
- employing a clamping assembly for selectable clamping engagement of a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- operating a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- providing sealing material disposed about said first sharpened point and being operative in association with said blood sampling conduit and said needle for preventing leakage of blood from said blood sampling conduit after piercing thereof by said needle.
A donor blood sampling method for selectable fluid engagement with a blood sampling conduit, comprising:
- providing a needle having first and second sharpened points at its opposite ends;
- employing a clamping assembly for selectable clamping engagement with a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- operating a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereof providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- operating said clamping assembly to selectably engage a blood sampling conduit to simultaneously block at least one of said blood sampling conduit and a blood collection conduit engaged thereby.
A donor blood sampling method for selectable fluid engagement with a blood sampling conduit, comprising:
- providing a needle having first and second sharpened points at its opposite ends;
- operating a clamping assembly for selectable clamping engagement with a blood sampling conduit in fluid engagement with said needle, said clamping engagement causing piercing of said blood sampling conduit by said first sharpened point of said needle;
- operating a vacuum sampling tube receiving socket for removably receiving a vacuum sampling tube in fluid engagement with said needle at said second sharped point, thereby providing fluid communication between blood in said blood sampling conduit and said interior of said vacuum sampling tube;
- and
- employing a retaining assembly for retaining said sampling tube assembly in engagement with at least said blood sampling conduit prior to clamping engagement therewith.
A donor blood donation and sampling method comprising:
- providing a donor needle adapted for drawing blood from a body;
- coupling a blood collection bag to a blood collection conduit which is coupled to said donor needle;
- locating a breakaway cannula on said blood collection conduit;
- and
- coupling a blood sampling conduit to said donor needle.
A blood donor donation and sampling method comprising:
- providing sampling apparatus attached to a tubing branch;
- attaching a donor needle to an upstream tube, said donor needle being adapted for drawing blood from a body;
- and
- attaching a main collection bag to a donor tube;
- the method also comprising:
- providing a flow controller comprising:
- an inlet flow member including an inlet port connected to said upstream tube;
- and
- providing an outlet flow member connected to said inlet flow member and comprising a first outlet port connected to said tubing branch, and a second outlet port connected to said donor tube, said flow controller having a first position and a second position, wherein in said first position, blood can flow to said sampling apparatus via said first outlet port and said tubing branch, said second outlet port and said donor tube being substantially sealed from blood flowing therein, and wherein in said second position, blood can flow to said main collection bag via said second outlet port and said donor tube, said first outlet port and said tubing branch being substantially sealed from blood flowing therein.
The sampling method according to claim 173 wherein said seal is formed with a channel having two branches arranged for fluid communication with said inlet port and said outlet ports, wherein when one of said branches is in fluid communication with said inlet port and one of said outlet ports, said other branch is not in fluid communication with said other outlet port, thereby substantially preventing fluid flow to said other outlet port.
Dependencies are inferred from the claim text.