CA1061018A - Protective shielding assembly for use in loading a hypodermic syringe with radioactive material - Google Patents
Protective shielding assembly for use in loading a hypodermic syringe with radioactive materialInfo
- Publication number
- CA1061018A CA1061018A CA254,755A CA254755A CA1061018A CA 1061018 A CA1061018 A CA 1061018A CA 254755 A CA254755 A CA 254755A CA 1061018 A CA1061018 A CA 1061018A
- Authority
- CA
- Canada
- Prior art keywords
- sleeve
- protective
- vial
- hypodermic syringe
- protective shield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/1782—Devices aiding filling of syringes in situ
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/1785—Syringes comprising radioactive shield means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/015—Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
- G21F5/018—Syringe shields or holders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2051—Connecting means having tap means, e.g. tap means activated by sliding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2055—Connecting means having gripping means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2065—Connecting means having aligning and guiding means
Abstract
PROTECTIVE SHIELDING ASSEMBLY FOR USE IN LOADING
A HYPODERMIC SYRINGE WITH RADIOACTIVE MATERIAL
ABSTRACT OF THE
DISCLOSURE
The disclosure of this application is directed to a protective shielding assembly suitable for use in the loading of a hypodermic syringe with radioactive material. The protective shielding device receives and securely holds, at one end, a vial which contains the material to be loaded and at its opposite end a hypodermic syringe with the needle of the syringe approximately centered with respect to the septum of the vial. Penetration of the septum of the vial is effected by moving the slidable members of the protective shielding assembly toward the vial which in turn moves the hypodermic syringe causing the needle of the hypodermic syringe to rupture the vial septum and enter the vial.
A HYPODERMIC SYRINGE WITH RADIOACTIVE MATERIAL
ABSTRACT OF THE
DISCLOSURE
The disclosure of this application is directed to a protective shielding assembly suitable for use in the loading of a hypodermic syringe with radioactive material. The protective shielding device receives and securely holds, at one end, a vial which contains the material to be loaded and at its opposite end a hypodermic syringe with the needle of the syringe approximately centered with respect to the septum of the vial. Penetration of the septum of the vial is effected by moving the slidable members of the protective shielding assembly toward the vial which in turn moves the hypodermic syringe causing the needle of the hypodermic syringe to rupture the vial septum and enter the vial.
Description
1061018 - .
This invention relates to an assembly suitable for use in the loading of a hypodermic syringe, especially the loading of a hypodermic syringe with radioactive material or a solution thereof. More particularly, this invention re-lates to a protective shielding assembly, suitable for use in the loading of a hypodermic syringe with radioactive material, which can be readily engaged to and disengaged from a dose vial and a hypodermic syringe, provides an accurate alignment of the needle of the hypodermic syringe with the center of the vial septum to be penetrated, controls the degree of penetration of the vial by the needle of the hypodermic syringe and protects the person who is loading the syringe from exposure to radiation emitted by the radioactive material.
Currently, radioactive material is widely used in the diagnosis and treatment of various diseases and body disorders. The radioactive material is generally injected ~nto the body of a patient by means of a hypodermic syringe.
Injection of a patient with radioactive material by means of a hypodermic syringe has been found to present serious health hazards to the person preparing and administering the injection. This is due to radioactivity emanating from the radioactive material which is to be injected.
As a result of the health hazards presented, it has been proposed to shield both the vial, containing the radioactive material and the hypodermic syringe which is to be loaded, with material, such as lead and lead glass, which is substantially impervious to the passage of radioactive emissions. As a rule, this has been accomplished with respect to the vial, by placing the vial in a snug-fitting sheath of lead which extends to the shoulders of the vial.
The hypodermic syringe is shielded, generally, by a lead-glass shield which surrounds the barrel of the hypodermic syringe.
The shielding of the dose vial and hypodermic syringe, as described, although affording some protection to the person loading and discharging the loaded hypodermic syringe does not provide adequate protection during the loading operation. Consequently, during the loading operation, the technician or operator is subjected to an undesirable amount of radiation.
The present invention is a shielding assembly which affords greater protection to the person loading a hypodermic syringe with radioactive material and in addition provides advantages previously described.
In one embodiment of this invention, a protective shielding assembly is disclosed whlch comprises an inner sleeve, an intermediate sleeve and an outer protective sleeve connected to the inner sleeve. In another embodiment of this invention a protective shielding assembly is dis-closed which comprises an inner sleeve assembly and an outer guiding sleeve assembly which axially extends to cover the shoulders and cap of the vial as more fully described hereinafter.
Further advantages of the present invention are readily apparent from the following description and from the accompanying drawings wherein:
Figure 1 is an exploded perspective view of an - embodiment of a protective shielding assembly of this in-vention in conjunction with a dose vial and a hypodermic syringe;
Figure 2 is a longitudinal section of the shielding assembly of Figure 1 connected to the dose vial and hypoder~
mic syringe, prior to penetration of the dose vial;
Figure 3 is a longitudinal section, similar to Figure 2, showing the shielding assembly of Figure 1 in a vial puncturing position.
Figure 4 is a longitudinal section of the shielding assembly of Figure 1 similar to Figures 2 and 3, showing the plunger of the hypodermic syringe withdrawn, loading the barrel of the syringe.
Figure 5 is an exploded perspective view of another embodiment of a protective shielding assembly of this invention in conjuncti.on with a dose vial and a hypo-dermic syringe; --Figure 6 is a longitudinal section of the shi.eld-ing assembly of Figure S connected to the dose vial and hypodermic syringe, prior to penetration of the dose vial;
Figure 7 is a longitudinal section, similar to Figure 6, showing the shielding assembly of Figure 5 in a vial puncturing position, and Figure 8 is a longitudinal section of the shield-ing assembly of Figure 5, similar to Figures 6 and 7, showing the plunger of the hypodermic syringe withdrawn, loading the barrel of the syringe.
Referrring now to Figure 1 of the accompanying drawings, there is shown an embodiment of the protective shielding assembly of this invention. The assembly shown, designated in general by numeral 10, comprises th-ree main functional members, those being an inner, slidable needle alignment sleeve 28, an intermediate sleeve 18 and an outer, S/~e~
~ ~ cap-like, protective Ehicld 34 which slides in conjunction with inner sleeve 28, relative to intermediate sleeve 18, the three members, when assembled, being in contact as shown in Figures 2, 3 and ~
Referring now to Figures 5-8 of the accompanying drawings, an alternative embodiment of the protective shielding assembly of this invention is shown designated in general by numeral 100. Assembly 100 comprises two main functional members, those being an inner, slidable needle alignment sleeve assembly 2 and an outer, cap~ e, pro~
tective shield assembly 6 which slides in conjunction with inner sleeve assembly 2, the t~o members, when assembled, being in contact as showrl in Figures 6, 7 and 8. Inner sleeve assembly 2 as shown in Figure 5 is illustrated in . Figures 5-8 of the drawings as comprising coa~ially aligned sleeve section 3 and threaded section 5 which is adhesiv21y attached to sleeve section 3, as will be subsequently S
106~0i8 discussed. Outer sleeve assembly 6 as shown in Figure 5 is illustrated in Figures 5-8 of the drawings as comprising . _ . _ . . . . . . . . . ............................. . . .
coa~ially aligned guiding sleeve section 7 and shielding shroud section 8 which is adhesively attached to sleeve section 7, as will be subsequently discussed.
The protective shielding assembly of this inven-tion as shown in the drawings is adapted for the loading of a hypodermic syringe, the parts of which are identifled in the drawings as: needle 42, syringe barrel 40, and syringe plunger 56; with the contents from a standard vial desig-nated by numeral 14.
In the embodiment shown in Figures 1-4 of the drawings, inner slidable needle alignment sleeve 28 has a longitudinal slot 30 and a rear threaded section 32 for receiving complementary threaded section 38 which is ad-hesively attached to syringe shield 44, as will be subse-quently discussed. Needle alignment sleeve 28 fits snugly within but in sliclable relationship to intermediate sleeve 18 with longitudinal slot 30 of sleeve 28 aligned with hole 24 of intermediate sleeve 18. Once sleeve 28 is placed within intermediate sleeve 18 and aligned, as described, pin 22 is pressed flush into hole 24 and e~tends into longitudinal ~~
slot 30 of needle alignment sleeve 28. Pressed pin 22 rides in longitudinal slot 30 and limits the deg~ee of- forward and rearward move~nent of needle aligmnent sleeve 28 relative to intermediate sleeve 18, as shown in Figures 2, 3 and 4.
~nd in the embodiment shown in Figures ~-8 of tne drawings, inner, slidable, needle alignment sleeve assembly
This invention relates to an assembly suitable for use in the loading of a hypodermic syringe, especially the loading of a hypodermic syringe with radioactive material or a solution thereof. More particularly, this invention re-lates to a protective shielding assembly, suitable for use in the loading of a hypodermic syringe with radioactive material, which can be readily engaged to and disengaged from a dose vial and a hypodermic syringe, provides an accurate alignment of the needle of the hypodermic syringe with the center of the vial septum to be penetrated, controls the degree of penetration of the vial by the needle of the hypodermic syringe and protects the person who is loading the syringe from exposure to radiation emitted by the radioactive material.
Currently, radioactive material is widely used in the diagnosis and treatment of various diseases and body disorders. The radioactive material is generally injected ~nto the body of a patient by means of a hypodermic syringe.
Injection of a patient with radioactive material by means of a hypodermic syringe has been found to present serious health hazards to the person preparing and administering the injection. This is due to radioactivity emanating from the radioactive material which is to be injected.
As a result of the health hazards presented, it has been proposed to shield both the vial, containing the radioactive material and the hypodermic syringe which is to be loaded, with material, such as lead and lead glass, which is substantially impervious to the passage of radioactive emissions. As a rule, this has been accomplished with respect to the vial, by placing the vial in a snug-fitting sheath of lead which extends to the shoulders of the vial.
The hypodermic syringe is shielded, generally, by a lead-glass shield which surrounds the barrel of the hypodermic syringe.
The shielding of the dose vial and hypodermic syringe, as described, although affording some protection to the person loading and discharging the loaded hypodermic syringe does not provide adequate protection during the loading operation. Consequently, during the loading operation, the technician or operator is subjected to an undesirable amount of radiation.
The present invention is a shielding assembly which affords greater protection to the person loading a hypodermic syringe with radioactive material and in addition provides advantages previously described.
In one embodiment of this invention, a protective shielding assembly is disclosed whlch comprises an inner sleeve, an intermediate sleeve and an outer protective sleeve connected to the inner sleeve. In another embodiment of this invention a protective shielding assembly is dis-closed which comprises an inner sleeve assembly and an outer guiding sleeve assembly which axially extends to cover the shoulders and cap of the vial as more fully described hereinafter.
Further advantages of the present invention are readily apparent from the following description and from the accompanying drawings wherein:
Figure 1 is an exploded perspective view of an - embodiment of a protective shielding assembly of this in-vention in conjunction with a dose vial and a hypodermic syringe;
Figure 2 is a longitudinal section of the shielding assembly of Figure 1 connected to the dose vial and hypoder~
mic syringe, prior to penetration of the dose vial;
Figure 3 is a longitudinal section, similar to Figure 2, showing the shielding assembly of Figure 1 in a vial puncturing position.
Figure 4 is a longitudinal section of the shielding assembly of Figure 1 similar to Figures 2 and 3, showing the plunger of the hypodermic syringe withdrawn, loading the barrel of the syringe.
Figure 5 is an exploded perspective view of another embodiment of a protective shielding assembly of this invention in conjuncti.on with a dose vial and a hypo-dermic syringe; --Figure 6 is a longitudinal section of the shi.eld-ing assembly of Figure S connected to the dose vial and hypodermic syringe, prior to penetration of the dose vial;
Figure 7 is a longitudinal section, similar to Figure 6, showing the shielding assembly of Figure 5 in a vial puncturing position, and Figure 8 is a longitudinal section of the shield-ing assembly of Figure 5, similar to Figures 6 and 7, showing the plunger of the hypodermic syringe withdrawn, loading the barrel of the syringe.
Referrring now to Figure 1 of the accompanying drawings, there is shown an embodiment of the protective shielding assembly of this invention. The assembly shown, designated in general by numeral 10, comprises th-ree main functional members, those being an inner, slidable needle alignment sleeve 28, an intermediate sleeve 18 and an outer, S/~e~
~ ~ cap-like, protective Ehicld 34 which slides in conjunction with inner sleeve 28, relative to intermediate sleeve 18, the three members, when assembled, being in contact as shown in Figures 2, 3 and ~
Referring now to Figures 5-8 of the accompanying drawings, an alternative embodiment of the protective shielding assembly of this invention is shown designated in general by numeral 100. Assembly 100 comprises two main functional members, those being an inner, slidable needle alignment sleeve assembly 2 and an outer, cap~ e, pro~
tective shield assembly 6 which slides in conjunction with inner sleeve assembly 2, the t~o members, when assembled, being in contact as showrl in Figures 6, 7 and 8. Inner sleeve assembly 2 as shown in Figure 5 is illustrated in . Figures 5-8 of the drawings as comprising coa~ially aligned sleeve section 3 and threaded section 5 which is adhesiv21y attached to sleeve section 3, as will be subsequently S
106~0i8 discussed. Outer sleeve assembly 6 as shown in Figure 5 is illustrated in Figures 5-8 of the drawings as comprising . _ . _ . . . . . . . . . ............................. . . .
coa~ially aligned guiding sleeve section 7 and shielding shroud section 8 which is adhesively attached to sleeve section 7, as will be subsequently discussed.
The protective shielding assembly of this inven-tion as shown in the drawings is adapted for the loading of a hypodermic syringe, the parts of which are identifled in the drawings as: needle 42, syringe barrel 40, and syringe plunger 56; with the contents from a standard vial desig-nated by numeral 14.
In the embodiment shown in Figures 1-4 of the drawings, inner slidable needle alignment sleeve 28 has a longitudinal slot 30 and a rear threaded section 32 for receiving complementary threaded section 38 which is ad-hesively attached to syringe shield 44, as will be subse-quently discussed. Needle alignment sleeve 28 fits snugly within but in sliclable relationship to intermediate sleeve 18 with longitudinal slot 30 of sleeve 28 aligned with hole 24 of intermediate sleeve 18. Once sleeve 28 is placed within intermediate sleeve 18 and aligned, as described, pin 22 is pressed flush into hole 24 and e~tends into longitudinal ~~
slot 30 of needle alignment sleeve 28. Pressed pin 22 rides in longitudinal slot 30 and limits the deg~ee of- forward and rearward move~nent of needle aligmnent sleeve 28 relative to intermediate sleeve 18, as shown in Figures 2, 3 and 4.
~nd in the embodiment shown in Figures ~-8 of tne drawings, inner, slidable, needle alignment sleeve assembly
2 has a longitudinal slot 30 in sleeve section 3 and a rear threaded section 5 for receiving complementary threaded section 38 which is adhesively attached to syringe shield 44, as will be subsequently discussed. Needle alignment sleeve assembly 2 fits snugly within but in slidable relationship to outer sleeve assembly 6 with longitudinal slot 30 of sleeve section 3 aligned with hole 24 of outer sleeve section 7. Once sleeve assembly 2 is placed within outer sleeve assembly 6 and aligned, as described, pin 22 is pressed flush into hole 24 and extends into longitudinal slot 30 of needle alignment sleeve section 3. Pressed pin 22 rides in longitudinal slot 30 and limits the degree of forward and rearward movement of needle alignment sleeve assembly 2 relative to outer sleeve assembly 6, as shown in Figures 6, 7 and 8.
The actual length of needle alignment sleeve 28, needle alignment sleeve section 3 and of longitudinal slots 30, respectively,therein are such as to allow for complete penetration of vial 14, to a desired depth, by needle 42 of the hypodermic syringe as shown in Figures 3 and 4 as well as 7 and 8, respectively, of the drawings.
Referring now to Figures 1-4, with needle alignment sleeve 28 and intermediate sleeve 18 connected, as described, outer cap-like sleeve or protective shield 34 is slidably mounted over intermediate sleeve 18 and connected to the back side of threaded section 32 of needle alignment sleeve 2&
by any convenient means, as for example, screws (not shown).
The protective shield 34 is of a length to overlap, at all times, vial shield 12.
The protective shielding assembly, with its three members assembled and coaxially mounted is ready to receive and securely hold syringe sheath 44, through which the hypodermic syringe is to be slidably inserted. In the em-bodiment shown in Figures 1-4 of the accompanying drawings, this is accomplished by providing syringe sheath 44 with a threaded member 38 which threads into threaded member 32 of needle alignment sleeve 28. Consequently, syringe sheath 44 is simply screw threaded into the protective shielding assembly. The size and configuration of threaded sections 38 and 32 are such as to accurately align needle 42 of the hypodermic syringe with the center of the septum of vial 14, as shown in Figures 2, 3 and 4.
Referring now to Figures 5-8, g~1iding sleeve section 7 and shielding shroud section 8 are joined together adhesively, by press-fit or the like, to form the unitary 2~ outer sleeve assembly 6. One end of shielding shroud section 8 axially extends into the end of guiding sleeve section 7 situated furthest from the hypodermic syringe.
The other end of shielding shroud section 8 extends axially toward vial shield 12 overlapping and enclosing the shoulders of vial shield 12 at all times when the protective shielding assembly of this invention is assembled. Outer sleeve assembly 6 is secured to vial shield 12 by means of a com-` 9967-1 pression fit of elastomeric O-rings 9 and 11 situated within the end of shielding shroud section 8 enclosing the shoulders of vial shield 12. Although a multiplicity of 0-rings may be employed, at least one 0-ring should be employed.
Threaded section 5 of needle alignment sleeve assembly 2 is coaxially secured within inner sleeve section
The actual length of needle alignment sleeve 28, needle alignment sleeve section 3 and of longitudinal slots 30, respectively,therein are such as to allow for complete penetration of vial 14, to a desired depth, by needle 42 of the hypodermic syringe as shown in Figures 3 and 4 as well as 7 and 8, respectively, of the drawings.
Referring now to Figures 1-4, with needle alignment sleeve 28 and intermediate sleeve 18 connected, as described, outer cap-like sleeve or protective shield 34 is slidably mounted over intermediate sleeve 18 and connected to the back side of threaded section 32 of needle alignment sleeve 2&
by any convenient means, as for example, screws (not shown).
The protective shield 34 is of a length to overlap, at all times, vial shield 12.
The protective shielding assembly, with its three members assembled and coaxially mounted is ready to receive and securely hold syringe sheath 44, through which the hypodermic syringe is to be slidably inserted. In the em-bodiment shown in Figures 1-4 of the accompanying drawings, this is accomplished by providing syringe sheath 44 with a threaded member 38 which threads into threaded member 32 of needle alignment sleeve 28. Consequently, syringe sheath 44 is simply screw threaded into the protective shielding assembly. The size and configuration of threaded sections 38 and 32 are such as to accurately align needle 42 of the hypodermic syringe with the center of the septum of vial 14, as shown in Figures 2, 3 and 4.
Referring now to Figures 5-8, g~1iding sleeve section 7 and shielding shroud section 8 are joined together adhesively, by press-fit or the like, to form the unitary 2~ outer sleeve assembly 6. One end of shielding shroud section 8 axially extends into the end of guiding sleeve section 7 situated furthest from the hypodermic syringe.
The other end of shielding shroud section 8 extends axially toward vial shield 12 overlapping and enclosing the shoulders of vial shield 12 at all times when the protective shielding assembly of this invention is assembled. Outer sleeve assembly 6 is secured to vial shield 12 by means of a com-` 9967-1 pression fit of elastomeric O-rings 9 and 11 situated within the end of shielding shroud section 8 enclosing the shoulders of vial shield 12. Although a multiplicity of 0-rings may be employed, at least one 0-ring should be employed.
Threaded section 5 of needle alignment sleeve assembly 2 is coaxially secured within inner sleeve section
3 at thè end thereof facing the hypodermic syringe. Sleeve section 3 and threaded section 5 may be joined together ad-hesively, by press-fit or the like to form the unitary needle alignment sleeve assembly 2. Threaded section 5 has a bore extending axially therethrough and coaxially aligned with sleeve section 3, inner diameter walls of threaded section 5 having threads 15 adapted to receive a complemen-tary threaded member.
The protective shielding assembly, with its two members 2 and 6 assembled and coaxially mounted is ready to receive and securely hold syringe sheath 44, through which the hypodermic syringe is to be slidably inserted. In the embodiment shown in the accompanying drawings, this is accomplished by providing syringe sheath 44 with a threaded member 38 which threads into complementary threads 15 of threaded section 5 of needle alignment sleeve assembly 2.
Consequently, syringe sheath 44 is simply screw threaded into the protective shielding assembly. The size and con-figuration o~ threaded sections 38 and 5 are such as to accurately align needle 42 of the hypodermic syringe with the center of the septum of vial 14, as shown in Figures 6, 7 and 8.
10610~8 Threaded members of fittings 38 (Figures 1-8) and 5 (Figures 5-8) are conveniently attached to syringe shield 44 and inner sleeve section 3, respectively, by use of a suitable bonding agent such as an epoxy resin. A detailed description of suitable epoxy resin compostions appears in U.S. Patent 3,788,321 to Thomas D. Reitler.
Referring to Figures 1-8, syringe sheath 44 is also provided, at its end opposite threaded member 38, with threaded member or fitting 46. Threaded member 46 in con-junction with cap-nut S0, having threads 52, locks flange 48 of the hypodermic syringe within syringe sheath 44, once the hypodermic syringe is inserted into syringe sheath 44 to a position shown in Figures 2 and 6.
The two embodiments of the entire assembly described herein may then be connected to vial 14, respectively.
This is conveniently accomplishecl, as shown in Figures 1-4 of the drawings, by providing intermediate sleeve 18 with an internally extending pin 20, which fits into bayonet slot 16 of vial shield 12 which surrounds vial 14. Intermediate sleeve 18 is locked to vial shield 12 by turning to dispose pin 20 in the hooked end of bayonet slot 16. With pin 20 disposed in the hooked end of bayonet slot 16, locking intermediate sleeve 18 to vial shield 14, internal, annular shoulder 26 of intermediate sleeve 18 rests against the front face of vial shield 12 forming a close fit therewith.
This is also conveniently accomplished, as shown in g967-1 Figures 5-~ of the drawings, by sliding the end of shielding shroud section 8 containing O-rings 9 and 11 therewithin over vial shield 12 which surrounds vial 14. The friction force of O-rings 9 and 11 within shielding shroud 8 secures outer sleeve member 6 to vial shield 12. The internal annular shoulder of sleeve section 7 abuts an annular ridge 19 ex-tending around the outer periphery of shielding shroud section 8 at the end thereof opposite the end containing O-rings 9 and 11 therewithin. A close fit is formed between ridge 19 and shoulder 17.
Figures 2 and 6 of the accompanying drawings show two embodiments of the protective shielding assembly of this invention, providing complete shielding protection, connected to vial 14 with the hypodermic syringes in position ready for use.
On applying force to the protective shield assembly in the embodiment shown in Figures 1-4, in the direction of vial 14, the hypodermic syringe, and needle alignment sleeve 28 and sleeve 34 of the protective shielding assembly move toward vial 14 resulting in syringe needle 42 punctur~
ing the septum of vial 14 and penetrating vial 14 as shown in Figure 3. The depth of penetration of syringe needle 42 --in vial 14 is controlled by the length of longitudinal slot 30 in needle alignment sleeve 28. Penetration of syringe needle 42 into vial 14 is stopped when pressed pin 22 abuts the inner wall of needle alignment sleeve 28 as shown in Figure 3.
On applying force to the protective shield assembly in the embodiment shown in Figures 5-8, in the direction o~ vial 14, the hypodermic syringe, and needle alignment sleeve assembly 2 of the protective shielding assembly moves toward vial 14 resulting in syringe needle 42 puncturing the septum of vial 14 and penetrating vial 14 as shown in Figure 7. The depth of penetration of syringe needle 42 in vial 14 is controlled by the length of longi-tudinal slot 30 in needle alignment sleeve assembly 2.
Penetration of syringe needle 42 into vial 14 is stopped when pressed pin 22 abuts the inner wall of needle alignment slot 30 in sleeve assembly 2 and the annular shoulders 37 of needle alignment sleeve assembly 2 abut a portion of the front face of vial 12 as shown in Figure 7.
Loading of the hypodermic syringe is carried out by withdrawing plunger 56 of the hypodermic syringe as shown in Figures 4 and 8, respectively.
The loaded hypodermic needle is then returned to the position shown in Figures 2 and 6, respectively, by simply retracting the hypodermic needle from vial 14.
Removal of the loaded hypodermic syringe from the protective shielding assembly of this invention is effected ~~
by unscrewing syringe sheath 44 from the protective shielding assembly. The loaded hypodermic syringe can then be used in an injection operation.
After the injection operation, the hypodermlc syringe can be removed from the syringe sheath by unscrewing 106~018 cap-nut 50 from threaded member 46.
The protective shielding assembly of this inven-tion can be used with standard glass vials and hypodermic needles. The glass vials generally have rubber septums held in place by a crimped aluminum cap. The shield which surrounds the glass vial can be of any material which is substantially impervious to the passage of radioactive emissions although lead is preferred.
~ lthough the present invention has been exempli-fied in reference to a bayonet locking mechanism between the vial shield 12 and intermediate sleeve 18 in the embodiment shown in Figures 1-4~ it is to be understood that friction fit can be used to secure vial shield 12 to intermediate sleeve 18.
Intermediate sleeve 18 and needle alignment sleeve 28 can be of any suitable material such as aluminum or other metals or plastic. Outer sleeve or protective shield 34 is also usually made of lead.
Moreover, although the present invention has been /o~ ~f exemplified in reference to an O-ring loolcing mechanism between the vial shield 12 and shroud section 8 in the embodiment shown in Figures 5-8, it is to be understood ~~
that méchanical clamping such as a machine tool collet can be used to secure shroud section 8 to vial shield 12.
Outer sleeve section 7 and sleeve section 5 can be of any suitable material which is substantial7y imper-vious to the passage Gf radioactive emissions, particularly ~06~018 gamma rays, i.e., it will supply moderate radiatlon absorption.
The material for outer sleeve section 7 also has sufficient rigidity to support pin 22. Suitable materials include tungsten alloys, tantalum, stainless steel and the like. A
preferred material for sleeve 6 is stainless steel. Inner sleeve section 3 and shielding shroud section 8 can be made of a lead alloy containing at least 85 percent lead by weight, preferably an antimony lead alloy at least 85 percent lead by weight.
The shield 44 surrounding the barrel 40 of the hypodermic syringe is generally made of lead-glass to allow observation of the amount of material in barrel of the hypodermic syringe. Threaded members 38 and 46 which are adhesively attached to shield 44 in Figures 1-4 and threaded members 31 and 46 which are adhesively attached to shield 44 in Figures 5-8 are usually metal but can be plastic, if so desired, as can be the locking assembly for flange 48.
Also, if desired, a protective cap can be mounted over locking nut 50 to provide a shield around the plunger area when the plunger is withdra~ as shown in Figures 4 and 8, respectively.
It is to be understood that whenever lead is in-dicated to be used lead alloys can be substituted.
In the e~bodimen~ shown in Figures 5-8, outer sleeve 2 will cover slot 30 at all times without leaving an uninterrupted path for radiation. Also, shielding shroud section 8 provides an internal barrier to radiation from the vial 14 when the hypodermic syringe is withdrawn from the shielding assembly as shown in Figure 8.
The protective shielding assembly, with its two members 2 and 6 assembled and coaxially mounted is ready to receive and securely hold syringe sheath 44, through which the hypodermic syringe is to be slidably inserted. In the embodiment shown in the accompanying drawings, this is accomplished by providing syringe sheath 44 with a threaded member 38 which threads into complementary threads 15 of threaded section 5 of needle alignment sleeve assembly 2.
Consequently, syringe sheath 44 is simply screw threaded into the protective shielding assembly. The size and con-figuration o~ threaded sections 38 and 5 are such as to accurately align needle 42 of the hypodermic syringe with the center of the septum of vial 14, as shown in Figures 6, 7 and 8.
10610~8 Threaded members of fittings 38 (Figures 1-8) and 5 (Figures 5-8) are conveniently attached to syringe shield 44 and inner sleeve section 3, respectively, by use of a suitable bonding agent such as an epoxy resin. A detailed description of suitable epoxy resin compostions appears in U.S. Patent 3,788,321 to Thomas D. Reitler.
Referring to Figures 1-8, syringe sheath 44 is also provided, at its end opposite threaded member 38, with threaded member or fitting 46. Threaded member 46 in con-junction with cap-nut S0, having threads 52, locks flange 48 of the hypodermic syringe within syringe sheath 44, once the hypodermic syringe is inserted into syringe sheath 44 to a position shown in Figures 2 and 6.
The two embodiments of the entire assembly described herein may then be connected to vial 14, respectively.
This is conveniently accomplishecl, as shown in Figures 1-4 of the drawings, by providing intermediate sleeve 18 with an internally extending pin 20, which fits into bayonet slot 16 of vial shield 12 which surrounds vial 14. Intermediate sleeve 18 is locked to vial shield 12 by turning to dispose pin 20 in the hooked end of bayonet slot 16. With pin 20 disposed in the hooked end of bayonet slot 16, locking intermediate sleeve 18 to vial shield 14, internal, annular shoulder 26 of intermediate sleeve 18 rests against the front face of vial shield 12 forming a close fit therewith.
This is also conveniently accomplished, as shown in g967-1 Figures 5-~ of the drawings, by sliding the end of shielding shroud section 8 containing O-rings 9 and 11 therewithin over vial shield 12 which surrounds vial 14. The friction force of O-rings 9 and 11 within shielding shroud 8 secures outer sleeve member 6 to vial shield 12. The internal annular shoulder of sleeve section 7 abuts an annular ridge 19 ex-tending around the outer periphery of shielding shroud section 8 at the end thereof opposite the end containing O-rings 9 and 11 therewithin. A close fit is formed between ridge 19 and shoulder 17.
Figures 2 and 6 of the accompanying drawings show two embodiments of the protective shielding assembly of this invention, providing complete shielding protection, connected to vial 14 with the hypodermic syringes in position ready for use.
On applying force to the protective shield assembly in the embodiment shown in Figures 1-4, in the direction of vial 14, the hypodermic syringe, and needle alignment sleeve 28 and sleeve 34 of the protective shielding assembly move toward vial 14 resulting in syringe needle 42 punctur~
ing the septum of vial 14 and penetrating vial 14 as shown in Figure 3. The depth of penetration of syringe needle 42 --in vial 14 is controlled by the length of longitudinal slot 30 in needle alignment sleeve 28. Penetration of syringe needle 42 into vial 14 is stopped when pressed pin 22 abuts the inner wall of needle alignment sleeve 28 as shown in Figure 3.
On applying force to the protective shield assembly in the embodiment shown in Figures 5-8, in the direction o~ vial 14, the hypodermic syringe, and needle alignment sleeve assembly 2 of the protective shielding assembly moves toward vial 14 resulting in syringe needle 42 puncturing the septum of vial 14 and penetrating vial 14 as shown in Figure 7. The depth of penetration of syringe needle 42 in vial 14 is controlled by the length of longi-tudinal slot 30 in needle alignment sleeve assembly 2.
Penetration of syringe needle 42 into vial 14 is stopped when pressed pin 22 abuts the inner wall of needle alignment slot 30 in sleeve assembly 2 and the annular shoulders 37 of needle alignment sleeve assembly 2 abut a portion of the front face of vial 12 as shown in Figure 7.
Loading of the hypodermic syringe is carried out by withdrawing plunger 56 of the hypodermic syringe as shown in Figures 4 and 8, respectively.
The loaded hypodermic needle is then returned to the position shown in Figures 2 and 6, respectively, by simply retracting the hypodermic needle from vial 14.
Removal of the loaded hypodermic syringe from the protective shielding assembly of this invention is effected ~~
by unscrewing syringe sheath 44 from the protective shielding assembly. The loaded hypodermic syringe can then be used in an injection operation.
After the injection operation, the hypodermlc syringe can be removed from the syringe sheath by unscrewing 106~018 cap-nut 50 from threaded member 46.
The protective shielding assembly of this inven-tion can be used with standard glass vials and hypodermic needles. The glass vials generally have rubber septums held in place by a crimped aluminum cap. The shield which surrounds the glass vial can be of any material which is substantially impervious to the passage of radioactive emissions although lead is preferred.
~ lthough the present invention has been exempli-fied in reference to a bayonet locking mechanism between the vial shield 12 and intermediate sleeve 18 in the embodiment shown in Figures 1-4~ it is to be understood that friction fit can be used to secure vial shield 12 to intermediate sleeve 18.
Intermediate sleeve 18 and needle alignment sleeve 28 can be of any suitable material such as aluminum or other metals or plastic. Outer sleeve or protective shield 34 is also usually made of lead.
Moreover, although the present invention has been /o~ ~f exemplified in reference to an O-ring loolcing mechanism between the vial shield 12 and shroud section 8 in the embodiment shown in Figures 5-8, it is to be understood ~~
that méchanical clamping such as a machine tool collet can be used to secure shroud section 8 to vial shield 12.
Outer sleeve section 7 and sleeve section 5 can be of any suitable material which is substantial7y imper-vious to the passage Gf radioactive emissions, particularly ~06~018 gamma rays, i.e., it will supply moderate radiatlon absorption.
The material for outer sleeve section 7 also has sufficient rigidity to support pin 22. Suitable materials include tungsten alloys, tantalum, stainless steel and the like. A
preferred material for sleeve 6 is stainless steel. Inner sleeve section 3 and shielding shroud section 8 can be made of a lead alloy containing at least 85 percent lead by weight, preferably an antimony lead alloy at least 85 percent lead by weight.
The shield 44 surrounding the barrel 40 of the hypodermic syringe is generally made of lead-glass to allow observation of the amount of material in barrel of the hypodermic syringe. Threaded members 38 and 46 which are adhesively attached to shield 44 in Figures 1-4 and threaded members 31 and 46 which are adhesively attached to shield 44 in Figures 5-8 are usually metal but can be plastic, if so desired, as can be the locking assembly for flange 48.
Also, if desired, a protective cap can be mounted over locking nut 50 to provide a shield around the plunger area when the plunger is withdra~ as shown in Figures 4 and 8, respectively.
It is to be understood that whenever lead is in-dicated to be used lead alloys can be substituted.
In the e~bodimen~ shown in Figures 5-8, outer sleeve 2 will cover slot 30 at all times without leaving an uninterrupted path for radiation. Also, shielding shroud section 8 provides an internal barrier to radiation from the vial 14 when the hypodermic syringe is withdrawn from the shielding assembly as shown in Figure 8.
Claims (12)
1. A protective shielding assembly, suitable for use in the loading of a hypodermic syringe, adapted at one end to be connected to a protective shield surrounding a vial and at its opposite end adapted to be connected to a protec-tive shield surrounding the barrel of a hypodermic syringe at the needle end thereof and fixedly holding the hypodermic syringe, comprising an inner sleeve, and intermediate sleeve connectable to the protective shield surrounding the vial, and an outer protective sleeve connected to said inner sleeve, said outer sleeve and said inner sleeve being in contact with and slidable with respect to said intermediate sleeve, said slidable sleeves capable of moving the protective shield fixedly holding the hypodermic syringe toward the vial causing penetration thereof by the needle of the hypodermic syringe.
2. A protective shielding assembly, suitable for use in the loading of a hypodermic syringe, adapted at one end to be connected to a protective shield surrounding a vial and at its opposite end adapted to be connected to a protective shield surrounding the barrel of a hypodermic syringe at the needle end thereof and fixedly holding the hypodermic syringe, comprising, as concentrically mounted members, an inner sleeve, an intermediate sleeve, an intermediate sleeve connectable to the protective shield surrounding the vial and an outer protective cap-like sleeve overlapping the shield surrounding the vial and connected to said inner sleeve, said cuter cap-like sleeve and said inner sleeve in contact with and slidably movable with respect to said intermediate sleeve, said slidable sleeves on being moved toward the vial effecting movement of the protective shield surrounding the barrel of the hypodermic syringe toward the vial causing penetration thereof by the needle of the hypodermic syringe.
3. A protective shielding assembly suitable for use in the loading of a hypodermic syringe, adapted at one end to be connected to a protective shield surrounding a vial and at its opposite end adapted to be connected to a protective shield surrounding the barrel of a hypodermic syringe at the needle end thereof and fixedly holding the hypodermic syringe, comprising an inner sleeve having a longitudinal slot therein and mounted within an intermediate sleeve, said intermediate sleeve having a pin extending through the wall thereof and riding in the slot of said inner pin, said pin limiting the degree of slidable movement of said inner sleeve, an outer cap-like protective sleeve slidably mounted on said intermediate sleeve and connected to said inner sleeve, said slidable sleeves capable of moving the protective shield fixedly holding the hypodermic syringe toward the vial causing penetration thereof by the needle of the hypodermic syringe.
4. A protective shielding assembly, suitable for use in the loading of a hypodermic syringe, said assembly adapted at one end to be connected to a first protective shield surrounding a vial having a cap and shoulders and at its opposite end adapted to be connected to a second pro-tective shield, surrounding the barrel of said hypodermic syringe at the needle end thereof and fixedly holding said hypodermic syringe, said assembly comprising an outer sleeve connectable to said first protective shield and protecting said cap and shoulders of said vial when connected to said first protective shield, an inner protective sleeve con-nectable to said second protective shield and connected to said outer sleeve, said inner sleeve being in contact with and slidable with respect to said outer sleeve, said inner and outer slidable sleeves being capable of moving said second protective shield toward said vial causing penetra-tion thereof by said needle of said hypodermic syringe.
5. A protective shielding assembly, suitable for use in the loading of a hypodermic syringe, said assembly adapted at one end to be connected to a first protective shield assembly surrounding a vial having a cap and shoulders and at its opposite end adapted to be connected to a second protective shield, surrounding the barrel of said hypodermic syringe at the needle end thereof and fixedly holding said hypodermic syringe, said assembly com-prising as concentrically mounted members, an outer sleeve connectable to said first protective shield and having a protective axial extension overlapping said first protective shield and protecting said cap and shoulders of said vial when connected to said first protective shield, an inner protective sleeve connectable to said second protective shield, said outer sleeve and said inner sleeve in contact with and slidably movable with respect to one another, said inner sleeve on being moved toward the vial effecting move-ment of said second protective shield toward said vial causing penetration thereof by said needle of said hypodermic syringe.
6. A protective shielding assembly, suitable for use in the loading of a hypodermic syringe, said assembly adapted at one end to be connected to a first protective shield surrounding a vial having a cap and shoulders and at its opposite end adapted to be connected to a second pro-tective shield, surrounding the barrel of said hypodermic syringe at the needle end thereof and fixedly holding said hypodermic syringe, said assembly comprising an inner protective sleeve having a longitudinal slot therein and mounted within an outer sleeve, said outer sleeve having a pin extending through the wall thereof and riding in the slot of said inner sleeve, said pin limiting the degree of slidable movement of said inner sleeve, said outer sleeve having a protective axial extension overlapping said first protective shield and protecting said cap and shoulders of said vial when said outer sleeve is connected to said first protective shield, said outer sleeve slidably mounted on said inner protective sleeve and connected thereto, said inner and outer slidable sleeves being capable of moving said second protective shield toward said vial causing penetration thereof by the needle of the hypodermic syringe.
7. A protective shielding assembly as defined in claim 4 further including elastomeric O-ring sealing means concentrically mounted within one end of said outer sleeve for connecting said outer sleeve to said first protective shield.
8. A protective shielding assembly as defined in claim 4 wherein said inner sleeve and at least the portion of said outer sleeve protecting said cap and shoulders of said vial are made of a material comprising lead alloy con-taining at least 85 percent lead by weight.
9. A protective shielding assembly as defined in claim 5 further including elastomeric O-ring sealing means concentrically mounted with one end of said outer sleeve for connecting said protective axial extension of said outer sleeve to said first protective shield.
10. A protective shielding assembly as defined in claim 5 wherein said inner sleeve and at least said protective axial extension of said outer sleeve are made of a material comprising a lead alloy containing at least 85 percent lead by weight.
11. A protective shielding assembly as defined in claim 6 further including elastomeric O-ring sealing means concentrically mounted within one end of said outer sleeve for connecting said protective axial extension of said outer sleeve to said first protective shield.
12. A protective shielding assembly as defined in claim 6 wherein said inner sleeve and at least said pro-tective axial extension of said outer sleeve are made of a material comprising a lead alloy containing at least 85 per-cent lead by weight.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/587,179 US3993063A (en) | 1975-06-16 | 1975-06-16 | Protective shielding assembly for use in loading a hypodermic syringe with radioactive material |
US05/690,831 US4092546A (en) | 1975-06-16 | 1976-06-08 | Protective shielding assembly for use in loading a hypodermic syringe with radioactive material |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1061018A true CA1061018A (en) | 1979-08-21 |
Family
ID=27079932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA254,755A Expired CA1061018A (en) | 1975-06-16 | 1976-06-14 | Protective shielding assembly for use in loading a hypodermic syringe with radioactive material |
Country Status (12)
Country | Link |
---|---|
US (2) | US3993063A (en) |
JP (1) | JPS5238793A (en) |
AU (1) | AU1495676A (en) |
BE (1) | BE842989A (en) |
CA (1) | CA1061018A (en) |
DD (1) | DD126473A5 (en) |
DE (1) | DE2626811A1 (en) |
DK (1) | DK268476A (en) |
FR (1) | FR2315149A1 (en) |
IL (1) | IL49794A0 (en) |
NL (1) | NL7606469A (en) |
SE (1) | SE7606588L (en) |
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-
1975
- 1975-06-16 US US05/587,179 patent/US3993063A/en not_active Expired - Lifetime
-
1976
- 1976-06-08 US US05/690,831 patent/US4092546A/en not_active Expired - Lifetime
- 1976-06-10 SE SE7606588A patent/SE7606588L/en unknown
- 1976-06-14 CA CA254,755A patent/CA1061018A/en not_active Expired
- 1976-06-15 DE DE19762626811 patent/DE2626811A1/en active Pending
- 1976-06-15 NL NL7606469A patent/NL7606469A/en not_active Application Discontinuation
- 1976-06-15 IL IL49794A patent/IL49794A0/en unknown
- 1976-06-15 JP JP6941776A patent/JPS5238793A/en active Pending
- 1976-06-15 DK DK268476A patent/DK268476A/en unknown
- 1976-06-15 BE BE167955A patent/BE842989A/en unknown
- 1976-06-16 FR FR7618333A patent/FR2315149A1/en not_active Withdrawn
- 1976-06-16 AU AU14956/76A patent/AU1495676A/en not_active Expired
- 1976-07-15 DD DD19389176A patent/DD126473A5/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5238793A (en) | 1977-03-25 |
DE2626811A1 (en) | 1976-12-23 |
FR2315149A1 (en) | 1977-01-14 |
IL49794A0 (en) | 1976-08-31 |
BE842989A (en) | 1976-12-15 |
DD126473A5 (en) | 1977-07-20 |
NL7606469A (en) | 1976-12-20 |
SE7606588L (en) | 1976-12-17 |
US4092546A (en) | 1978-05-30 |
AU1495676A (en) | 1977-12-22 |
DK268476A (en) | 1976-12-17 |
US3993063A (en) | 1976-11-23 |
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