US3848593A — Side loading disposable carpule syringe

Claim 1

Independent Claim 280 words

A syringe adapted for connection of a needle hub having laterally projecting side flanges, comprising a body adapted to receive a removable carpule having a closed needle-pierceable forward section, said body having a forward shouldered end, with a carpuleretaining shoulder, said shouldered end having connecting means thereon for connection of a needle hub thereto, said shouldered end having a laterally central needle-but-endreceiving opening and a laterally interconnecting side opening formed therein and extending along and beyond the entire longitudinal thickness of said shoulder for enabling lateral assembly of a butt-end-protruding needle and hub unit with said syringe body, said body having a transverse needle-hub-flange-securing opensided non-screw-thread-forming slot having longitudinally oppositely facing longitudinally spaced needle-hub-flangegripping walls and being formed at said shouldered end and forming said connecting means for receiving and gripping the flanged portion of a flanged needle hub as a function of side insertion of a flanged needle hub through said side opening, said longitudinally oppositely facing longitudinally spaced needle-hub-flange-gripping walls of said slot having a circumferential angular extent to enable relative rotational motion between a flanged needle hub and said gripping walls after insertion of said flanged needle hub through said flangesecuring open-sided slot, said flange-gripping walls defining said slot being variably spaced along the length of said slot to form both a loosefitting feed slot zone and a laterally relatively more narrow and closer fitting flange-gripping zone which serves to frictionally secure a flanged needle hub open its rotational movement within said slot to bring its flange portion into opposite gripping wall engagement within said laterally relatively more narrow and closer fitting flange-gripping slot zone angular spaced from and angularly connecting with said loose-fitting feed slot zone.

Claim 2

Dependent Claim 280 words

A syringe adapted for connection of a needle hub having laterally projecting side flanges, comprising a body adapted to receive a removable carpule having a closed needle-pierceable forward section, said body having a forward shouldered end, with a carpuleretaining shoulder, said shouldered end having connecting means thereon for connection of a needle hub thereto, said shouldered end having a laterally central needle-but-endreceiving opening and a laterally interconnecting side opening formed therein and extending along and beyond the entire longitudinal thickness of said shoulder for enabling lateral assembly of a butt-end-protruding needle and hub unit with said syringe body, said body having a transverse needle-hub-flange-securing opensided non-screw-thread-forming slot having longitudinally oppositely facing longitudinally spaced needle-hub-flangegripping walls and being formed at said shouldered end and forming said connecting means for receiving and gripping the flanged portion of a flanged needle hub as a function of side insertion of a flanged needle hub through said side opening, said longitudinally oppositely facing longitudinally spaced needle-hub-flange-gripping walls of said slot having a circumferential angular extent to enable relative rotational motion between a flanged needle hub and said gripping walls after insertion of said flanged needle hub through said flangesecuring open-sided slot, said flange-gripping walls defining said slot being variably spaced along the length of said slot to form both a loosefitting feed slot zone and a laterally relatively more narrow and closer fitting flange-gripping zone which serves to frictionally secure a flanged needle hub open its rotational movement within said slot to bring its flange portion into opposite gripping wall engagement within said laterally relatively more narrow and closer fitting flange-gripping slot zone angular spaced from and angularly connecting with said loose-fitting feed slot zone.

Claim 3

Dependent Claim 29 words

A syringe according to claim 1, said flange-securing slot including a ramp cam zone disposed angularly between said loose-fitting feed slot zone and said closer fitting flange-gripping slot zone.

Claim 4

Dependent Claim 31 words

A syringe according to claim 2, further comprising two similar said flange-securing slots spaced angularly apart, and a pair of stop elements disposed angularly between and angularly separating said two slots.

Claim 5

Dependent Claim 31 words

A syringe according to claim 3, said feed slot zone in one of said slots being disposed opposite to and facing said laterally interconnecting side opening formed in said shouldered end.

Claim 6

Dependent Claim 13 words

A syringe according to claim 3, said slots being in diametrally transverse alignment.

Claim 7

Dependent Claim 21 words

A syringe according to claim 1, said feed slot zone being disposed opposite to and facing said laterally interconnecting side opening.

Claim 8

Dependent Claim 103 words

A syringe arrangement according to claim 1, further comprising a removable needle unit connected to said shouldered end and having a cannula and a hub connected to said cannula, said hub having laterally Projecting flanges which are narrower in angular width extent than the effective angular length extent of said open-sided slot, and laterally insertable into said slot and grippingly engagable by said transverse flange-securing open-sided gripping walls of said slot as a function of insertion of said needle unit flanges into said slot and rotation of said needle unit in said slot for securing of said needle unit to said shouldered end.

Claim 9

Dependent Claim 28 words

A syringe arrangement according to claim 7, said needle unit including a butt-end extending penetrating cannula for side insertion and removal movement through said laterally central needle-butt-end-receiving opening.

Claim 10

Dependent Claim 103 words

A syringe arrangement according to claim 2, further comprising a removable needle unit connected to said shouldered end and having a cannula and a hub connected to said cannula, said hub having laterally projecting flanges which are narrower in angular width extent than the effective angular length extent of said open-sided slot, and laterally insertable into said slot and grippingly engageable by said transverse flange-securing open-sided gripping wals of said slot as a walls of insertion of said needle unit flanges into said slot and rotation of said needle unit in said slot for securing of said needle unit to said shouldered end.

Claim 11

Dependent Claim 28 words

A syringe arrangement according to claim 9, said needle unit including a butt-end extending penetrating cannula for side insertion and removal movement through said laterally central needle-butt-end-receiving opening.

Claim 12

Dependent Claim 103 words

A syringe arrangement according to claim 3, further comprising a removable needle unit connected to said shouldered end and having a cannula and a hub connected to said cannula, said hub having laterally projecting flanges which are narrower in angular width extent than the effective angular length extent of said open-sided slot, and laterally insertable into said slot and grippingly engageable by said transverse flange-securing open-sided gripping walls of said slot as a function of insertion of said needle unit flanges into said slot and rotation of said needle unit in said slot for securing of said needle unit to said shouldered end.

Claim 13

Dependent Claim 103 words

A syringe arrangement according to claim 4 further comprising a removable needle unit connected to said shouldered end and having a cannula and a hub connected to said cannula, said hub having laterally projecting flanges which are narrower in angular width extent than the effective angular length extent of said open-sided slot, and laterally insertable into said slot and grippingly engagable by said transverse flange-securing open-sided gripping walls of said slot as a function of insertion of said needle unit flanges into said slot and rotation of said needle unit in said slot for securing of said needle unit to said shouldered end.

Claim 14

Dependent Claim 103 words

A syringe arrangement according to claim 5, further comrising a removable needle unit connected to said shouldered end and having a cannula and a hub connected to said cannula, said hub having laterally projecting flanges which are narrower in angular width extent than the effective angular length extent of said open-sided slot, and laterally insertable into said slot and grippingly engagable by said tranverse flange-securing open-sided gripping walls of said slot as a function of insertion of said needle unit flanges into said slot and rotation of said needle unit in said slot for securing of said needle unit to said shouldered end.

Claim 15

Dependent Claim 103 words

A syringe arrangement according to claim 6, further comprising a removable needle unit connected to said shouldered end and having a cannula and a hub connected to said cannula, said hub having laterally projecting flanges which are narrower in angular width extent than the effective angular length extent of said open-sided slot, and laterally insertable into said slot and grippingly engagable by said transverse flange-securing open-sided gripping walls of said slot as a function of insertiOn of said needle unit flanges into said slot and rotation of said needle unit in said slot for securing of said needle unit to said shouldered end.

Claim 16

Dependent Claim 103 words

A syringe comprising a unitary body having a cartridge-receiving section and a nose section, said nose section having a needle-unit receiving side opening therein for lateral insertion of a needle-unit thereinto, said nose section having a needle-unit securing means formed thereon and connecting with said side opening, said needle unit securing means comprising an arcuate transversely extending flange-securing slot narrowing in width along a portion of its arcuate length for both relative ease of flange insertion in one zone and flange securing in another narrow width zone formed in said nose section for gripping and securing the flange of a flanged-hub needle unit.

Claim 17

Dependent Claim 103 words

A syringe comprising a unitary body having a cartridge-receiving section and a nose section, said nose section having a needle-unit receiving side opening therein for lateral insertion of a needle-unit thereinto, said nose section having a needle-unit securing means formed thereon and connecting with said side opening, said needle unit securing means comprising an arcuate transversely extending flange-securing slot narrowing in width along a portion of its arcuate length for both relative ease of flange insertion in one zone and flange securing in another narrow width zone formed in said nose section for gripping and securing the flange of a flanged-hub needle unit.

Claim 18

Dependent Claim 158 words

A syringe comprising a unitary body having a rear section, a nose section and a midsection, said midsection comprising a plurality of angularly spaced longitudinal rods connecting with and between said nose and rear sections, said rods being angularly spaced to provide a partially encompassing cartridge retention cage, and two of said rods being laterally spaced to provided a side opening for a cartridge to be inserted into and removed from said retention cage, said nose section having a needle-unit receiving side opening therein in longitudinal alignment with said side opening formed in said midsection, said nose section having a needle-unit securing means formed thereon, said needle-unit securing means comprising an arcuate transversely extending flange-securing slot formed in said nose section for gripping and securing the flange of a flanged-hubbed needle unit, and a second flange-securing slot angularly spaced from said first mentioned slot and in substantially transverse alignment, and a flange rotation stops disposed between said slots.

Claim 19

Dependent Claim 158 words

A syringe comprising a unitary body having a rear section, a nose section and a midsection, said midsection comprising a plurality of angularly spaced longitudinal rods connecting with and between said nose and rear sections, said rods being angularly spaced to provide a partially encompassing cartridge retention cage, and two of said rods being laterally spaced to provided a side opening for a cartridge to be inserted into and removed from said retention cage, said nose section having a needle-unit receiving side opening therein in longitudinal alignment with said side opening formed in said midsection, said nose section having a needle-unit securing means formed thereon, said needle-unit securing means comprising an arcuate transversely extending flange-securing slot formed in said nose section for gripping and securing the flange of a flanged-hubbed needle unit, and a second flange-securing slot angularly spaced from said first mentioned slot and in substantially transverse alignment, and a flange rotation stops disposed between said slots.

Claim 20

Dependent Claim 20 words

A syringe according to claim 16, said slots being diametrally opposed, and said stops being at diametrally opposite spaced positions.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1977-11-18	1978-05-20	1978-11-19	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1981-11-18	1982-05-20	1982-11-19	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1985-11-18	1986-05-20	1986-11-19	$7700.00	Window Closed / Lapsed

Side loading disposable carpule syringe

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