Patent US3748366A successfully refreshed from Google Patents.
US3748366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching aid for demonstrating drug circulation or the like in human body
Assignee: Individual
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Filing: 1971-09-30
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Granted: 1973-07-24
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Expires: 1991-09-30
Abstract
Abstract A teaching aid to demonstrate circulation of a drug or the like through the organs of the body the drug being administered either orally or intravenously, and which includes a transparent model of the upper portion of a human body including a head portion, body portion and a pair of arms. Transparent conduits interconnect a plurality of model organ members including a heart member, brain member, liver member, kidney member and stomach member. Another conduit interconnects the mouth of the heat portion and the stomach member. A valve for controlling flow through the transparent conduits is also disclosed.
Inventors
- 👤 J Rader
- 👤 P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:12
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09B23/30
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
131 words
A teaching aid comprising: a base; a rear panel secured to the base and extending upwardly therefrom and having a front side and a rear side; a front panel in the general shape of the upper front portion of the human body and having an inner surface and an outer surface, said front panel being secured to the front side of said rear panel; a plurality of organ members each formed in the general shape of a human body organ and secured to the front side of said rear panel between said rear panel and said front panel; and first conduit means communicating with said front panel for conducting a fluid from a source beyond the outer surface of said front panel through said front panel and through said organ members.
Claim 2
Dependent Claim
131 words
A teaching aid comprising: a base; a rear panel secured to the base and extending upwardly therefrom and having a front side and a rear side; a front panel in the general shape of the upper front portion of the human body and having an inner surface and an outer surface, said front panel being secured to the front side of said rear panel; a plurality of organ members each formed in the general shape of a human body organ and secured to the front side of said rear panel between said rear panel and said front panel; and first conduit means communicating with said front panel for conducting a fluid from a source beyond the outer surface of said front panel through said front panel and through said organ members.
Claim 3
Dependent Claim
32 words
A teaching aid as defined in claim 1 wherein said plurality of organ members is further characterized to include: a brain member; a heart member; a liver member; and a kidney member.
Claim 4
Dependent Claim
75 words
A teaching aid as defined in claim 1 further characterized to include: second conduit means communicating with said front panel for conducting a solid object from a source beyond the outer surface of said front panel to one of said organ members; and third conduit means communicating with said rear panel for conducting a fluid from a source beyond the rear side of said rear panel through said rear panel and through said organ members.
Claim 5
Dependent Claim
35 words
A teaching aid as defined in claim 3 wherein said plurality of organ members is further characterized to include: a brain member; a heart member; a liver member; a kidney member; and a stomach member.
Claim 6
Dependent Claim
101 words
A teaching aid as defined in claim 4 wherein: said front panel includes a head portion, a body portion, and an arm portion; said first conduit means communicates with the arm portion of said front panel and conducts the fluid through said heart member, said brain member, said liver member, and said kidney member; said second conduit means communicates with the head portion of said front panel and conducts the solid object to said stomach member; and said third conduit means conducts the fluid through said stomach member, said heart member, said brain member, said liver member and said kidney member.
Claim 7
Dependent Claim
175 words
A teaching aid as defined in claim 1 wherein: said plurality of organ members is further characterized to include a brain member, a heart member, a stomach member, a liver member and a kidney member; said front panel is formed of a transparent material and is further characterized to include a head portion, a body portion and at least one arm portion; and said first conduit means is further characterized to include a first transparent conduit having opposide ends and disposed between said front and rear panels, one end of said first conduit extending through the arm portion of said front panel, said first conduit being routed from the arm portion to said heart member, from said heart member to said brain member, from said brain member back to said heart member, from said heart member to said liver member, from said liver member to said kidney member, and from said kidney member back to said heart member, the opposite end of said first conduit extending through said rear panel adjacent to said heart member.
Claim 8
Dependent Claim
103 words
A teaching aid as defined in claim 6 further characterized to include: a second transparent conduit having opposite ends and disposed between said front and rear panels, one end of said second conduit extending through said rear panel adjacent to said stomach member, said second conduit being routed from said stomach member to said heart member; and valve means positioned in said first conduit at tHe point of entrance of said first conduit into said heart member from the arm portion and connected to the opposite end of said second conduit for controlling the flow of fluid through said first and second conduits.
Claim 9
Dependent Claim
72 words
A teaching aid as defined in claim 7 further characterized to include: a third transparent conduit having opposite ends and disposed between said front and rear panels, one end of said third conduit extending through the head portion of said front panel, said third conduit being routed from the head portion to said stomach member, the opposite end of said third conduit extending through said rear panel adjacent to said stomach member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |