Specimen test unit
View Patent ↗A self-contained specimen testing unit consisting of a swab-tip with attached, hollow swab-stick, an outer, elongated, removable tube housing cover that surrounds and protects the swab-tip and swab-stick, a dropper removably secured to the end of the tube cover, a dropper cap, a piercing closure member, a rotatable base closure member coupled to the piercing closure element, a membrane member mounted in the base closure member, and reagent-solution storage container screwed onto the end of the rotatable base closure member and sealed by the membrane member thereof. A method of using the unit is also disclosed whereby the piercing unit pierces the membrane when reagent solution is to be delivered to the swab-tip.
1. In a specimen testing unit comprising a sample-collecting element having a sample-collecting tip and a hollow sample-collecting shaft to the end of which is secured said sample-collecting tip, an elongated, hollow, tubular housing in which is received said sample-collecting element, a removable cover member for covering over said sample-collecting tip when not in use, a reagent storage container filled with reagent solution specific to a biological specimen to be assayed, and an actuator device for breaking a seal of the reagent storage container to allow the reagent solution to flow therepast and through said sample-collecting shaft to said sample-collecting tip after said cover element and said elongated, tubular housing had, firstly, been removed to expose said sample-collecting tip for retrieving a biological sample to be assayed, and then, secondly, after they have been reattached, the improvement comprising:
said actuator device comprising a piercing closure member having at least one piercing tip;
a base closure member coupled to said piercing closure member;
said piercing closure member comprising a first cooperating element, and said base closure member comprising a second cooperating element and a third cooperating element, said first and second cooperating elements mounting said piercing closure member for selected translational movement toward said base closure member to bring said at least one piercing tip into the interior of said base closure member; and
said reagent storage container comprising a fourth cooperating element for removable mounting to said third cooperating element of said base closure member; and
a membrane element comprising a membrane for sealing said reagent storage container, said membrane being pierced through by said at least one piercing tip when said piercing closure member is translated toward said base closure member, whereby the reagent solution in said reagent storage container is allowed to flow out therefrom, through said actuator device, and through said swab-shaft to deliver the reagent solution to said sample-collecting-tip after said sample-collecting tip had collected a biological sample to be assayed.
2. The specimen testing unit according to claim 1 , wherein said piercing closure member comprises a main housing defining an interior wall surface; and an interior, hollow central section mounted in said main housing defining an outer wall surface; said first cooperating element being located on the interior wall surface of said main housing;
said sample-collecting element being a swab-element, said sample-collecting tip comprising a swab-tip, and said sample-collecting shaft being a swab-shaft;
said central section comprising central passageway for receiving therein the end of said swab-shaft; and
said main housing further comprising a plurality of filler dements for partially filling the space between said outer wall surface of said central section and said inner wall surface of said main housing, thereby defining an annular space therebetween in which is mounted the end of said elongated tubular housing.
3. The specimen testing unit according to claim 2 , wherein said main housing comprises a lower edge surface, and further comprises a sealing ribbon mounted to said lower edge surface for preventing relative movement between said piercing closure member and said base closure member until the time said membrane element is to be pierced by said at least one piercing tip.
4. The specimen testing unit according to claim 3 , wherein at least one piercing tip projects below said lower edge surface, and is exposed after said sealing ribbon has been torn away, to thus allow relative movement between said piercing closure member and said base closure member; each of said cooperating elements comprising respective mating threads.
5. The specimen testing unit according to claim 3 , wherein the base closure member comprises a hollow main body portion defining an interior wall surface, said third cooperating element being located on said interior wall for mating with said fourth cooperating element of said reagent storage container; said base closure member further comprising a first hollow mounting section defining a wall surface on which is mounted said second cooperating element for engagement with said first cooperating element of said piercing closure member.
6. The specimen testing unit according to claim 5 , wherein each of said cooperating elements comprises respective mating threads, and said membrane element being mounted in said first hollow mounting section of said base closure member, such that when the base closure member is attached to the reagent storage container the membrane seals the reagent storage container.
7. The specimen testing unit according to claim 5 , wherein said reagent storage container comprises a main storage compartment for storing reagent solution, and a second hollow mounting section defining an annular surface on which is mounted said fourth cooperating element for mating with said third cooperating element of said base closure member.
8. The specimen testing unit according to claim 5 , wherein said reagent storage container comprises a main storage compartment for storing reagent solution, and a second hollow mounting section defining an annular surface connected to said main storage compartment.
9. The specimen testing unit according to claim 1 , wherein the base closure member comprises a hollow main body portion defining an interior wall surface, said third cooperating element being located on said interior wall for mating with said fourth cooperating element of said reagent storage container; and said base closure member further comprising a first hollow mounting section defining a wall surface on which is mounted said second cooperating element for engagement with said first cooperating element of said piercing closure member; said membrane element being mounted in said first hollow mounting section of said base closure member and comprising a sleeve portion to mount the membrane thereto, and wherein when the base closure member is attached to the reagent storage container, whereby said membrane sealing the reagent storage container until pierced by said at least one piercing tip.
10. The specimen testing unit according to claim 9 , wherein said reagent storage container comprises a main storage compartment for storing reagent solution; and a second hollow mounting section defining an annular surface on which is mounted said fourth cooperating element for mating with said third cooperating element of said base closure member.
11. The specimen testing unit according to claim 9 , wherein said piercing closure member comprises a main housing defining an interior wall surface; an interior, hollow central section mounted in said main housing defining an outer wall surface, said first cooperating element being located on the interior wall surface of said main housing;
said sample-collecting element being a swab-element, said sample-collecting tip comprising a swab-tip, and said sample-collecting shaft being a swab-shaft;
said central section comprising central passageway for receiving therein the end of said swab-shaft; and
said main housing further comprising a plurality of filler elements for partially filling the space between said outer wall surface of said central section and said inner wall surface of said main housing, thereby defining an annular space therebetween in which is mounted the end of said elongated tubular housing.
12. The specimen testing unit according to claim 11 , wherein said main housing comprises a lower edge surface, and further comprises a sealing ribbon mounted to said lower edge surface for preventing relative movement between said piercing closure member and said base closure member until the time said membrane element is to be pierced by said at least one piercing tip.
13. The specimen testing unit according to claim 1 , wherein said reagent storage container comprises a main storage compartment for storing reagent solution, and a second hollow mounting section defining an annular surface on which is mounted said fourth cooperating element for mating with said third cooperating element of said base closure member.
14. A specimen testing unit comprising:
a swab-element having a swab-tip and a hollow swab-shaft to the end of which is secured said swab-tip;
an elongated, hollow, housing cover in which is received said swab-element;
a removable swab-cover member for covering over said swab-tip when not in use;
a reagent storage container filled with reagent solution specific to a biological specimen to be assayed;
and an actuator device for breaking a seal of said reagent storage container for allowing said reagent solution to flow therepast and through said swab-shaft to said swab-tip after said swab-cover element and said elongated, hollow, housing cover had, firstly, been removed to expose said swab-tip for retrieving a biological sample to be assayed and then, secondly, after they have been reattached:
said actuator device comprising a piercing closure member having at least one piercing tip for piercing the seal of said reagent storage container;
a base closure member coupled to said piercing closure member;
said piercing closure member comprising a first cooperating element, and said base closure member comprising a second cooperating element and a third cooperating element, said first and second cooperating elements mounting said piercing closure member for selected translational movement toward said base closure member to bring said at least one piercing tip into the interior of said base closure member; and
said reagent storage container comprising a fourth cooperating element for removable mounting said reagent storage container to said third cooperating element of said base closure member; and
a membrane element comprising a membrane for sealing said reagent storage container, said membrane being pierced through by said at least one piercing tip when said piercing closure member is translated toward said base closure member, whereby the reagent solution in said reagent storage container is allowed to flow out therefrom, through said actuator device, and through said swab-shaft to deliver the reagent solution to said swab-tip after said swab-tip had collected a biological sample to be assayed.
15. The specimen testing unit according to claim 14 , wherein said base closure member comprises a hollow mounting section defining a wall surface on which is mounted said second cooperating element for engagement with said first cooperating element of said piercing closure member; said membrane element being mounted in said hollow mounting section and comprising a sleeve portion to mount the membrane thereto, and wherein when the base closure member is attached to the reagent storage container, whereby said membrane seals the reagent storage container until pierced by said at least one piercing tip.
16. The specimen testing unit according to claim 14 , wherein said removable swab-cover member comprises a dropper member and a cover element for removable mounting over said dropper member, said dropper member being used to dispense the reacted solution of sample and reagent for inspection.