US3718138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive solutions injector for lymphatic systems
Assignee: N I INST ONKOLOGII I MEDITSINSKOI RADIOLOGII MZ BSSR SU
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Filing: 1970-03-24
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Granted: 1973-02-27
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Expires: 1990-03-24
Abstract
Abstract An apparatus for injecting radioactive solutions into the lymphatic system, comprising at least one syringe for discharging the contents thereof; a conduit for communicating the interior of the syringe with the patient''s lymphatic vessel, a system of auxiliary syringes and multiway valves used to alternately communicate the interior of the first syringe with the auxiliary syringes and with a patient''s lymphatic vessel; the apparatus being also provided with a remote control system controlling the rate of procedure of injecting the radioactive solutions.
Inventors
- 👤 N Alexandrov
- 👤 A Strukov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/145; A61M5/1452; A61M5/007; Y; Y10; Y10S; Y10S128/00; Y10S128/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
An apparatus for injecting radioactive solutions into organisms, such as the lymphatic system of a patient; comprising at least one syringe having a barrel having discharge means therein; drive means connected to said discharge means for imparting movement thereto; conduit means for interconnecting said syringe barrel with the lymphatic vessels of a patient, a plurality of auxiliary syringes having solutions therein, multidirectional valve means conNected to said syringe and to said auxiliary syringes, said valve means being adapted to connect said syringe with said auxiliary syringes and alternatively with said conduit means; and remote control means adapted to effect control over the rate of flow of said radioactive solution to said patient.
Claim 2
Independent Claim
112 words
An apparatus for injecting radioactive solutions into organisms, such as the lymphatic system of a patient; comprising at least one syringe having a barrel having discharge means therein; drive means connected to said discharge means for imparting movement thereto; conduit means for interconnecting said syringe barrel with the lymphatic vessels of a patient, a plurality of auxiliary syringes having solutions therein, multidirectional valve means conNected to said syringe and to said auxiliary syringes, said valve means being adapted to connect said syringe with said auxiliary syringes and alternatively with said conduit means; and remote control means adapted to effect control over the rate of flow of said radioactive solution to said patient.
Claim 3
Dependent Claim
22 words
An apparatus as claimed in claim 1, wherein said remote control means comprises means determining the operative position of said valve means.
References Cited (Backward Citations)
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US2786468A
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US3313291A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |