US5828073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose shielded container for a syringe containing radioactive material
Assignee: Cardinal Health 414 LLC
•
Filing: 1997-05-30
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Granted: 1998-10-27
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Expires: 2017-05-30
Abstract
Abstract An improved radiopharmaceutical pig assembly and method for handling syringes containing radioactive material for use in the health care industry. The radiopharmaceutical pig assembly is preferably made of tungsten, is advantageously small, lightweight and has a dual function of also providing shielding for the syringe body during discharge of the syringe. An optional hand shield is also provided.
Inventors
- 👤 Bing Bing Zhu
- 👤 Monty Mong Chen Fu
- 👤 Richard L. Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:08
CPC Classifications
G; G21; G21F; G21F5/00; G21F5/015; G21F5/018; A; A61; A61M; A61M5/00; A61M5/178; A61M5/1785
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
248 words
A radiopharmaceutical pig assembly for shielding a syringe containing radioactive material during transport and discharge of the syringe, the syringe having a flanged body with a needle and an opposing plunger extending therefrom, the radiopharmaceutical pig assembly comprising: a radiation-dense lower body portion having a threaded upper end, and an interior surface defining a first internal cavity with an opening in the upper end sized to accept the needle of the syringe therein; a radiation-dense mid body portion having a upper end, a lower end and an interior surface extending therebetween to define a passageway between openings in the upper and lower ends of the mid body portion, the passage sized to accept the body of the syringe therein, the lower end of the mid body portion being threaded to releasably engage the threads on the lower body portion, the passage in the mid body portion located in alignment with the cavity in the lower body portion upon their engagement; a locknut threadedly engaging the upper end of the mid body portion; and a radiation-dense upper body portion having a lower end and an interior surface defining a second internal cavity with an opening in the lower end of the upper body portion, the opening and cavity being sized to accept the plunger of the syringe therein, the lower end being threaded to releasably engage the locknut such that the passageway in the mid body portion is located in alignment with the cavity in the upper body portion.
Claim 2
Dependent Claim
248 words
A radiopharmaceutical pig assembly for shielding a syringe containing radioactive material during transport and discharge of the syringe, the syringe having a flanged body with a needle and an opposing plunger extending therefrom, the radiopharmaceutical pig assembly comprising: a radiation-dense lower body portion having a threaded upper end, and an interior surface defining a first internal cavity with an opening in the upper end sized to accept the needle of the syringe therein; a radiation-dense mid body portion having a upper end, a lower end and an interior surface extending therebetween to define a passageway between openings in the upper and lower ends of the mid body portion, the passage sized to accept the body of the syringe therein, the lower end of the mid body portion being threaded to releasably engage the threads on the lower body portion, the passage in the mid body portion located in alignment with the cavity in the lower body portion upon their engagement; a locknut threadedly engaging the upper end of the mid body portion; and a radiation-dense upper body portion having a lower end and an interior surface defining a second internal cavity with an opening in the lower end of the upper body portion, the opening and cavity being sized to accept the plunger of the syringe therein, the lower end being threaded to releasably engage the locknut such that the passageway in the mid body portion is located in alignment with the cavity in the upper body portion.
Claim 3
Dependent Claim
47 words
The radiopharmaceutical pig assembly as defined in claim 1, wherein the passage in the mid body portion is sized such that the flanged end of the syringe abuts the upper end of the mid body portion to prevent the syringe from falling through the mid body portion.
Claim 4
Dependent Claim
27 words
The radiopharmaceutical pig assembly as defined in claim 1, wherein the lower body portion, the mid body portion and the upper body portion are made of tungsten.
Claim 5
Dependent Claim
34 words
The radiopharmaceutical pig assembly as defined in claim 3, wherein the lower body portion, the mid body portion and the upper body portion are made of tungsten that is less than 0.3 inch thick.
Claim 6
Dependent Claim
32 words
The radiopharmaceutical pig assembly as defined in claim 1, wherein the lower body portion, the mid body portion and the upper body portion have walls that are less than 0.3 inch thick.
Claim 7
Dependent Claim
32 words
The radiopharmaceutical pig assembly as defined in claim 1, wherein the upper end of the mid body portion has opposing walls to engage the flange of the syringe and prevent rotation thereof.
Claim 8
Dependent Claim
24 words
The radiopharmaceutical pig assembly as defined in claim 1, further comprising a hand shield releaseably engageable with one end of the mid body portion.
Claim 9
Dependent Claim
29 words
The radiopharmaceutical pig assembly as defined in claim 1, further comprising a lens placed in an opening in the midbody portion, the lens magnifying the body of the syringe.
Claim 10
Dependent Claim
254 words
A radiopharmaceutical pig assembly for enclosing a syringe containing radioactive material during transport and discharge of the syringe, the syringe having a flanged body with a needle and an opposing plunger extending therefrom, the radiopharmaceutical pig assembly comprising: a tungsten lower body portion having an upper end and an interior surface defining a first internal cavity with an opening in the upper end sized to accept the needle of the syringe therein; a tungsten mid body portion having an upper end, a lower end and an interior surface extending therebetween to define a passageway between openings in the upper and lower ends of the mid body portion, the passage sized to accept the body of the syringe therein, the lower end of the mid body portion releasably engageable with the upper end of the lower body portion to locate the passage in the mid body portion in alignment with the cavity in the lower body portion; and a tungsten upper body portion having a lower end and an interior surface defining a second internal cavity with an opening in the lower end of the upper body portion, the opening and cavity being sized to accept the plunger of the syringe therein, the lower end of the upper body portion releasably mountable to the upper end of the mid body portion such that the passageway in the mid body portion is located in alignment with the cavity in the upper body portion, wherein the interior surfaces of all the body portions cooperatively enclose the syringe.
Claim 11
Dependent Claim
254 words
A radiopharmaceutical pig assembly for enclosing a syringe containing radioactive material during transport and discharge of the syringe, the syringe having a flanged body with a needle and an opposing plunger extending therefrom, the radiopharmaceutical pig assembly comprising: a tungsten lower body portion having an upper end and an interior surface defining a first internal cavity with an opening in the upper end sized to accept the needle of the syringe therein; a tungsten mid body portion having an upper end, a lower end and an interior surface extending therebetween to define a passageway between openings in the upper and lower ends of the mid body portion, the passage sized to accept the body of the syringe therein, the lower end of the mid body portion releasably engageable with the upper end of the lower body portion to locate the passage in the mid body portion in alignment with the cavity in the lower body portion; and a tungsten upper body portion having a lower end and an interior surface defining a second internal cavity with an opening in the lower end of the upper body portion, the opening and cavity being sized to accept the plunger of the syringe therein, the lower end of the upper body portion releasably mountable to the upper end of the mid body portion such that the passageway in the mid body portion is located in alignment with the cavity in the upper body portion, wherein the interior surfaces of all the body portions cooperatively enclose the syringe.
Claim 12
Dependent Claim
34 words
The radiopharmaceutical pig assembly as defined in claim 9, wherein the lower body portion, the mid body portion and the upper body portion are made of tungsten that is less than 0.3 inch thick.
Claim 13
Independent Claim
131 words
A method of transporting and discharging a syringe containing radioactive material utilizing a dual purpose radiopharmaceutical pig having removable upper and lower body portions, the syringe having a body with a needle and an opposing plunger extending from the body, the method comprising: receiving the radiopharmaceutical pig holding the syringe containing the radioactive material; removing the upper and lower body portions of the radiopharmaceutical pig to expose the needle and the plunger of the syringe and retain a portion of the radiopharmaceutical pig to shield the body of the syringe; positioning the remaining portion of the radiopharmaceutical pig containing the syringe such that the needle of the syringe is in a predetermined location for discharge; and pushing the plunger of the syringe downward to force radioactive material out of the syringe.
Claim 14
Independent Claim
131 words
A method of transporting and discharging a syringe containing radioactive material utilizing a dual purpose radiopharmaceutical pig having removable upper and lower body portions, the syringe having a body with a needle and an opposing plunger extending from the body, the method comprising: receiving the radiopharmaceutical pig holding the syringe containing the radioactive material; removing the upper and lower body portions of the radiopharmaceutical pig to expose the needle and the plunger of the syringe and retain a portion of the radiopharmaceutical pig to shield the body of the syringe; positioning the remaining portion of the radiopharmaceutical pig containing the syringe such that the needle of the syringe is in a predetermined location for discharge; and pushing the plunger of the syringe downward to force radioactive material out of the syringe.
Claim 15
Dependent Claim
28 words
The method as defined in claim 11, further comprising incinerating the needle of the syringe after the discharge of the syringe to seal the syringe for disposal purposes.
References Cited (Backward Citations)
US2682352A
Cited
US2812231A
Cited
US3074542A
Cited
US3101841A
Cited
US3149717A
Cited
US3329146A
Cited
US3344787A
Cited
US3272322A
Cited
US3294231A
Cited
US3367488A
Cited
US3531644A
Cited
US3673411A
Cited
US3677247A
Cited
US3731100A
Cited
US3882315A
Cited
US4092546A
Cited
US3971955A
Cited
US4062353A
Cited
US4081688A
Cited
US4122836A
Cited
US4106622A
Cited
US4113090A
Cited
US4357541A
Cited
US4382512A
Cited
US4401108A
Cited
US4393864A
Cited
US4307713A
Cited
US4892525A
Cited
US4745907A
Cited
US4846235A
Cited
US4869299A
Cited
US4781697A
Cited
US4851702A
Cited
US4917263A
Cited
US5066597A
Cited
US5277312A
Cited
US5042679A
Cited
US5099998A
Cited
US5096062A
Cited
USD333347S
Cited
USD324101S
Cited
US5385105A
Cited
US5323719A
Cited
US5157900A
Cited
US5245117A
Cited
US5145063A
Cited
US5205408A
Cited
US5274239A
Cited
US5303836A
Cited
US5397902A
Cited
US5552612A
Cited
US5519931A
Cited
US5536945A
Cited
US5672883A
Cited
US5417326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-10-26 | 2002-04-27 | 2002-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-10-26 | 2006-04-27 | 2006-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-10-26 | 2010-04-27 | 2010-10-27 | $7700.00 | Window Closed / Lapsed |