US20100217122A1 - Syringe with rotatable element, infusion/aspiration system including the syringe, and associated methods, - Google Patents
Syringe with rotatable element, infusion/aspiration system including the syringe, and associated methods, Download PDFInfo
- Publication number
- US20100217122A1 US20100217122A1 US12/738,846 US73884608A US2010217122A1 US 20100217122 A1 US20100217122 A1 US 20100217122A1 US 73884608 A US73884608 A US 73884608A US 2010217122 A1 US2010217122 A1 US 2010217122A1
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- United States
- Prior art keywords
- rotatable element
- barrel
- injector
- handle member
- syringe
- 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.)
- Abandoned
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- 238000000034 method Methods 0.000 title description 4
- 238000001802 infusion Methods 0.000 title description 3
- 230000014759 maintenance of location Effects 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 4
- 210000003811 finger Anatomy 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Images
Classifications
-
- 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
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/3129—Syringe barrels
- A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
- A61M2005/3139—Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips
-
- 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
- A61M5/3129—Syringe barrels
- A61M5/3135—Syringe barrels characterised by constructional features of the proximal end
Definitions
- the field of the invention relates generally to injectors, and more specifically to injectors having a barrel with a rotatable element.
- the injector includes a handle assembly, a syringe barrel having a circumference and a receptacle for receiving a fluid.
- the injector also includes a nozzle for directing fluid from the receptacle, a plunger configured to rotate and slidably translate through the receptacle, and a rotatable element disposed on the syringe barrel and configured to rotate at least partially about the circumference of the barrel.
- the injector includes a handle assembly coupled to a syringe barrel, and a plunger configured to rotate and slidably translate through a receptacle.
- the slip ring assembly includes a rotatable element disposed about the syringe barrel and configured to rotate at least partially about a circumference of the barrel.
- the slip ring assembly also includes a retention groove positioned on the syringe barrel, and a locking element having a protrusion complementary with the retention groove and configured to engage the retention groove and maintain the rotatable element upon the syringe barrel.
- Still another aspect is directed to an injector including a disposable syringe barrel having a circumference and a receptacle for receiving a fluid and a nozzle for directing fluid from the receptacle.
- the injector further includes a plunger configured to rotate and slidably translate through the receptacle, and a rotatable element including at least one axially aligned hinge element that extends outwardly from the rotatable element and enables the rear handle member to be removably coupled to the rotatable element disposed on the syringe barrel.
- the rotatable element is configured to rotate at least partially about the circumference of the barrel.
- the injector includes a handle assembly having a rear handle member removably coupled to the rotatable element, and a forward handle member removably coupled to the plunger, wherein the rear handle member is pivotally coupled to the forward handle member at a hinge in a scissors-type arrangement.
- FIG. 1 a side view of an exemplary injector.
- FIG. 2 is a perspective view of an exemplary injector that includes an exemplary rotatable element.
- FIG. 3 is a side assembly view of the injector shown in FIG. 1 .
- FIG. 4 is a perspective assembly view of an exemplary locking element used with the injector shown in FIG. 1 .
- FIG. 5 is a side assembly view of an alternative locking element used with the injector shown in FIG. 1 .
- FIG. 6 is a perspective assembly view of an alternative locking element used with the injector shown in FIG. 1 .
- FIG. 7 is a perspective view of an alternative embodiment of a syringe barrel with finger loops.
- FIG. 8 is a top view of exemplary hinge elements extending from a rotatable element.
- FIG. 9 a side view of an exemplary injector with an infusion/aspiration element secured to a distal end of the syringe barrel.
- FIG. 10 is a schematic illustration of a system including handles that are configured to be used with a variety of different barrel configurations.
- FIG. 1 is a side view of an exemplary injector.
- FIG. 2 is a perspective view of an exemplary injector that includes an exemplary rotatable element.
- FIG. 3 is a side assembly view of the injector shown in FIG. 1 .
- injector 10 includes a handle assembly 12 having a forward handle member 14 and a rear handle member 16 .
- Injector 10 includes a plunger 18 partially received in a syringe barrel 20 .
- the plunger 18 has an end 22 that is not received in barrel 20 .
- Barrel 20 is adapted to receive a quantity of fluid (not shown) within a receptacle 24 (shown in FIG. 2 ) that is defined by an outer wall 26 of the barrel 20 .
- the fluid can be selectively forced out of the barrel through a nozzle 28 .
- the fluid in the barrel is not limited to the following, but may be for example, a medication, a contrast agent, or a gas for inflation of a balloon or catheter.
- a main body 30 (e.g a first section) of barrel 20 has a substantially uniform outer diameter OD 30 .
- outer wall 26 tapers to a much smaller outer diameter, which forms a standard fitting element 29 , that is configured to receive an injection or aspiration needle (e.g., a hypodermic needle, biopsy needle, etc.), a catheter, or any similar device, as described herein.
- a proximal end 32 (e.g. a second section) of barrel 20 includes a substantially uniform outer diameter OD 32 that is smaller than outer diameter OD 30 of main body 30 , such that a proximal ridge 34 at a boundary between main body 30 and proximal end 32 .
- Proximal end 32 includes a distally located axle 36 that includes a substantially smooth surface, and a proximally located retention feature 38 .
- retention feature 38 includes threads.
- retention feature 38 is a protrusion (e.g. a flange), or any feature that is configured to receive, engage, and retain a separate locking element 50 and that enables the injector 10 to function as described herein.
- FIG. 4 is a perspective assembly view of an exemplary locking element used with injector 10 , shown in FIG. 1 .
- injector 10 includes a locking element 50 .
- Locking element 50 includes an inner surface 52 with an engagement feature 54 (e.g., threads) that cooperates with complementary retention feature 38 at proximal end 32 of barrel 20 .
- an outer surface of axle 36 is circumferentially recessed relative to outer surfaces of main body 30 of barrel 20 and locking element 50 .
- a circumferential groove 56 (see FIG. 8 ) is formed between main body 30 and locking element 50 . The dimensions (e.g., a depth) of the resulting groove 56 axially retain rotatable element 40 over axle 36 .
- FIG. 5 is a perspective assembly view of an alternative locking element used with the injector 10 shown in FIG. 1 .
- barrel 20 ′ includes a retention feature 38 ′ that facilitates the assembly of a rotatable element 40 with barrel 20 ′, but prevents the removal of rotatable element 40 from barrel 20 ′.
- Retention feature 38 ′ includes at least one tab 39 ′ that is configured and oriented to facilitate the placement of rotatable element 40 over axle 36 , but prevent rotatable element 40 from being removed from axle 36 .
- Retention feature 38 ′ includes a relaxed position (not shown) and a contracted position (not shown). More specifically, tabs 39 ′ are oriented and configured to extend from an outer surface of the remainder of retention feature 38 ′.
- tabs 39 ′ When rotatable element 40 is positioned on retention feature 38 ′ and slid distally toward axle 36 , tabs 39 ′ may be pressed radially inward to the contracted position, allowing rotatable element 40 to slide thereover and onto axle 36 ′. Once rotatable element 40 has been positioned properly upon axle 36 ′, tabs 39 ′ resiliently rebound to the relaxed position, and extend radially from the surface of the remainder of retention feature 38 ′ and retain rotatable element 40 in place on axle 36 .
- FIG. 6 is a side assembly view of an alternative locking element used with the injector shown in FIG. 1 .
- barrel 120 includes at least one protrusion 136 that extends circumferentially outward from a portion of barrel 120 .
- protrusion 136 is a flange.
- protrusion 136 may be a single ring or ridge, a plurality of aligned or unaligned protrusions, spaced-apart teeth or other similar structures.
- a rotatable element 140 is configured for assembly with barrel 120 includes an annular shape and a groove 142 for receiving protrusion 136 .
- Groove 142 and protrusion 136 are configured to enable rotatable element 140 to rotate at least partially around barrel 120 .
- Protrusion 136 is configured to facilitate the assembly of rotatable element 140 with barrel 120 while preventing the disassembly of rotatable element 140 from barrel.
- rotatable element 140 is configured (e.g., with appropriate positioned slots, a hinge and locking element, etc.) to facilitate its placement over and retention by protrusion(s) 136 in a configuration that enables injector 10 to function as described herein.
- FIG. 7 is a perspective view of an alternative embodiment of a syringe barrel with finger holes 64 .
- Syringe 60 includes a barrel 20 / 20 ′ and a rotatable element 40 ′′ that includes finger holes 64 that extend therefrom to form a handle 62 .
- rotatable element 40 ′′ is slidably coupled to barrel 20 / 20 ′ in the embodiment shown in FIG. 6 , which includes at least one protrusion 136 (shown in FIG. 6 ) that extends circumferentially outward from a portion of barrel 20 / 20 ′.
- Rotatable element 40 ′′ is includes a groove 142 (shown in FIG. 6 ) for receiving protrusion 136 (shown in FIG. 6 ).
- Groove 142 and protrusion 136 are configured to enable rotatable element 40 ′′ to rotate at least partially around barrel 20 / 20 ′.
- Protrusion 136 is configured to facilitate the assembly of rotatable element 40 ′′ with barrel 20 / 20 ′ while preventing the disassembly of rotatable element 40 ′′ from barrel.
- rotatable element 40 ′′ may be coupled to barrel using an embodiment shown in FIGS. 3-5 , or any combination of the embodiments described here, or other attachment method that would enable injector 10 to function as described herein.
- syringe 60 also includes a thumb loop 68 disposed on a proximal end 69 of plunger 66 .
- the ring of the thumb loop 68 may be omitted from this embodiment.
- FIG. 8 is a top view of exemplary hinge elements 70 extending from a rotatable element 40 ′′′.
- FIG. 9 a side view of an exemplary injector with an infusion/aspiration element secured to a distal end of the syringe barrel.
- rotatable element 40 ′′′ includes at least one hinge element 70 used to couple rotatable element 40 ′′′ to a handle assembly 12 , e.g. as shown in FIG. 1 .
- Hinge elements 70 extend from opposing sides of rotatable element 40 ′′′.
- the axis of rotation of hinge elements 70 may intersect a central axis through rotatable element 40 ′′′.
- Hinge elements 70 facilitate pivotal assembly of rotatable element 40 ′′′ with a member 82 of syringe actuation handle 80 , such as that shown in FIG. 8 .
- Member 82 of syringe actuation handle 80 is pivotally associated with another member 84 that is coupled to a syringe plunger 86 .
- members 82 , 84 are coupled at a scissors-type hinge 88 .
- members 82 , 84 are connected in any arrangement that enables injector 10 to function as described herein.
- a rotatable element that incorporates embodiments of the present invention allows for some movement of syringe handles (e.g., handle 62 , handle 80 , etc.) while the barrel (e.g., barrel 20 , 20 ′, etc.) and a distally located peripheral device 90 , such as a catheter or needle, remains substantially stationary.
- syringe handles e.g., handle 62 , handle 80 , etc.
- the barrel e.g., barrel 20 , 20 ′, etc.
- a distally located peripheral device 90 such as a catheter or needle
- FIG. 10 schematically illustrates a system including handles that are configured to be used with a variety of different barrel configurations.
- Rotatable element 40 ′′, 40 ′′′ may be disassembled from barrel 20 (see, e.g., the embodiment of rotatable element 40 shown in FIGS. 2-4 ).
- the handles e.g., handle 62 ( FIG. 7 ) or handles 80 ( FIG.
- a rotatable element of the present invention e.g., rotatable element 40 ′′, 40 ′′, etc.
- reusable handles e.g., handles 62 , 80 , etc.
- syringe barrels 20 A, 20 B, 20 C, 20 D which may, e.g., be configured as barrel 20 , 20 ′, etc.
- barrels of a plurality of different volumes, of a plurality of different dimensions, that include a plurality of different optional features (e.g., no optional features, release valves, ports configured for connection to pressure gauges and other apparatus, inlet ports, etc.), or the like may be used with one reusable handle.
- Differently configured syringe barrels that are configured for use with the same rotatable element may have commonly dimensioned features for engagement by the rotatable clement, or may be used in combination with adapters that facilitate their use with the same rotatable element.
- Exemplary embodiments of slip ring assemblies of use on injector, syringe or aspiration-type devices are described in detail above.
- the above-described assemblies regarding a rotatable member and removable syringe barrel may be implemented to facilitate a more accessible and practical injector design for easier usage during operation.
- the embodiments contained herein enable a user to place a peripheral device, such as a catheter or needle, within a patient in any orientation and still use the handles of the injector in a comfortable fashion.
- a rotatable element In addition to being able to rotate about a barrel (e.g., barrel 20 or 20 ′), a rotatable element (e.g., rotatable element 40 , 40 ′′, 40 ′′, etc.) enables the barrel to rotate as the rotatable element is held (e.g., by a handle 62 , 80 , etc.) in a stationary or somewhat stationary (accounting for normal movement by a healthcare provider operating the handle) position.
- This feature may be useful for coupling a syringe/injector/aspiration device to a distally located peripheral device that is already in place in a subject's body.
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
- The field of the invention relates generally to injectors, and more specifically to injectors having a barrel with a rotatable element.
- One aspect is directed to an injector. The injector includes a handle assembly, a syringe barrel having a circumference and a receptacle for receiving a fluid. The injector also includes a nozzle for directing fluid from the receptacle, a plunger configured to rotate and slidably translate through the receptacle, and a rotatable element disposed on the syringe barrel and configured to rotate at least partially about the circumference of the barrel.
- Another aspect is directed to a slip ring assembly for an injector. The injector includes a handle assembly coupled to a syringe barrel, and a plunger configured to rotate and slidably translate through a receptacle. The slip ring assembly includes a rotatable element disposed about the syringe barrel and configured to rotate at least partially about a circumference of the barrel. The slip ring assembly also includes a retention groove positioned on the syringe barrel, and a locking element having a protrusion complementary with the retention groove and configured to engage the retention groove and maintain the rotatable element upon the syringe barrel.
- Still another aspect is directed to an injector including a disposable syringe barrel having a circumference and a receptacle for receiving a fluid and a nozzle for directing fluid from the receptacle. The injector further includes a plunger configured to rotate and slidably translate through the receptacle, and a rotatable element including at least one axially aligned hinge element that extends outwardly from the rotatable element and enables the rear handle member to be removably coupled to the rotatable element disposed on the syringe barrel. The rotatable element is configured to rotate at least partially about the circumference of the barrel. Further, the injector includes a handle assembly having a rear handle member removably coupled to the rotatable element, and a forward handle member removably coupled to the plunger, wherein the rear handle member is pivotally coupled to the forward handle member at a hinge in a scissors-type arrangement.
- Various refinements exist of the features noted in relation to the above-mentioned aspects of the present invention. Further features may also be incorporated in the above-mentioned aspects of the present invention as well. These refinements and additional features may exist individually or in any combination. For instance, various features discussed below in relation to any of the illustrated embodiments of the present invention may be incorporated into any of the above-described aspects of the present invention, alone or in any combination.
-
FIG. 1 a side view of an exemplary injector. -
FIG. 2 is a perspective view of an exemplary injector that includes an exemplary rotatable element. -
FIG. 3 is a side assembly view of the injector shown inFIG. 1 . -
FIG. 4 is a perspective assembly view of an exemplary locking element used with the injector shown inFIG. 1 . -
FIG. 5 is a side assembly view of an alternative locking element used with the injector shown inFIG. 1 . -
FIG. 6 is a perspective assembly view of an alternative locking element used with the injector shown inFIG. 1 . -
FIG. 7 is a perspective view of an alternative embodiment of a syringe barrel with finger loops. -
FIG. 8 is a top view of exemplary hinge elements extending from a rotatable element. -
FIG. 9 a side view of an exemplary injector with an infusion/aspiration element secured to a distal end of the syringe barrel. -
FIG. 10 is a schematic illustration of a system including handles that are configured to be used with a variety of different barrel configurations. - With reference to
FIGS. 1-3 ,FIG. 1 is a side view of an exemplary injector.FIG. 2 is a perspective view of an exemplary injector that includes an exemplary rotatable element.FIG. 3 is a side assembly view of the injector shown inFIG. 1 . In the exemplary embodiment,injector 10 includes ahandle assembly 12 having aforward handle member 14 and arear handle member 16.Injector 10 includes aplunger 18 partially received in asyringe barrel 20. Theplunger 18 has anend 22 that is not received inbarrel 20.Barrel 20 is adapted to receive a quantity of fluid (not shown) within a receptacle 24 (shown inFIG. 2 ) that is defined by anouter wall 26 of thebarrel 20. The fluid can be selectively forced out of the barrel through anozzle 28. The fluid in the barrel is not limited to the following, but may be for example, a medication, a contrast agent, or a gas for inflation of a balloon or catheter. - In the exemplary embodiment, a main body 30 (e.g a first section) of
barrel 20 has a substantially uniform outer diameter OD30. At thenozzle 28,outer wall 26 tapers to a much smaller outer diameter, which forms astandard fitting element 29, that is configured to receive an injection or aspiration needle (e.g., a hypodermic needle, biopsy needle, etc.), a catheter, or any similar device, as described herein. A proximal end 32 (e.g. a second section) ofbarrel 20 includes a substantially uniform outer diameter OD32 that is smaller than outer diameter OD30 ofmain body 30, such that aproximal ridge 34 at a boundary betweenmain body 30 andproximal end 32. -
Proximal end 32 includes a distally locatedaxle 36 that includes a substantially smooth surface, and a proximally locatedretention feature 38. In the exemplary embodiment,retention feature 38 includes threads. Alternatively,retention feature 38 is a protrusion (e.g. a flange), or any feature that is configured to receive, engage, and retain aseparate locking element 50 and that enables theinjector 10 to function as described herein. - In the exemplary embodiment, a
rotatable element 40 is annular in shape (i.e., ring-shaped), and includes a substantially constant inner diameter ID40 that is slightly larger than the outer diameter OD32 ofproximal end 32 ofbarrel 20 but smaller than the outer diameter OD30 ofmain body 30 ofbarrel 20, allowingrotatable element 40 to be concentrically placed onproximal end 32. More specifically,rotatable element 40 may be placed overaxle 36, adjacent toridge 34. Aninner surface 42 ofrotatable element 40 is substantially smooth, which facilitates the free rotation ofrotatable element 40 at least partially aroundaxle 36. In the exemplary embodiment,rotatable element 40 is configured to rotate aboutaxle 36 whilebarrel 20 is maintained substantially stationary. Alternatively,rotatable element 40 may be maintained substantially stationary asbarrel 20 is rotated therein. -
FIG. 4 is a perspective assembly view of an exemplary locking element used withinjector 10, shown inFIG. 1 . In an alternative embodiment,injector 10 includes alocking element 50.Locking element 50 includes aninner surface 52 with an engagement feature 54 (e.g., threads) that cooperates with complementary retention feature 38 atproximal end 32 ofbarrel 20. Whenlocking element 50 is disposed onretention feature 38, an outer surface ofaxle 36 is circumferentially recessed relative to outer surfaces ofmain body 30 ofbarrel 20 andlocking element 50. In the alternative embodiment a circumferential groove 56 (seeFIG. 8 ) is formed betweenmain body 30 andlocking element 50. The dimensions (e.g., a depth) of the resultinggroove 56 axially retainrotatable element 40 overaxle 36. -
FIG. 5 is a perspective assembly view of an alternative locking element used with theinjector 10 shown inFIG. 1 . In the alternative embodiment,barrel 20′ includes aretention feature 38′ that facilitates the assembly of arotatable element 40 withbarrel 20′, but prevents the removal ofrotatable element 40 frombarrel 20′.Retention feature 38′ includes at least onetab 39′ that is configured and oriented to facilitate the placement ofrotatable element 40 overaxle 36, but preventrotatable element 40 from being removed fromaxle 36.Retention feature 38′ includes a relaxed position (not shown) and a contracted position (not shown). More specifically,tabs 39′ are oriented and configured to extend from an outer surface of the remainder ofretention feature 38′. Whenrotatable element 40 is positioned onretention feature 38′ and slid distally towardaxle 36,tabs 39′ may be pressed radially inward to the contracted position, allowingrotatable element 40 to slide thereover and ontoaxle 36′. Oncerotatable element 40 has been positioned properly uponaxle 36′, tabs 39′ resiliently rebound to the relaxed position, and extend radially from the surface of the remainder of retention feature 38′ and retainrotatable element 40 in place onaxle 36. -
FIG. 6 is a side assembly view of an alternative locking element used with the injector shown inFIG. 1 . In yet another embodiment of the rotatable element shown inFIG. 1 ,barrel 120 includes at least oneprotrusion 136 that extends circumferentially outward from a portion ofbarrel 120. In the exemplary embodiment,protrusion 136 is a flange. Alternatively,protrusion 136 may be a single ring or ridge, a plurality of aligned or unaligned protrusions, spaced-apart teeth or other similar structures. Arotatable element 140 is configured for assembly withbarrel 120 includes an annular shape and agroove 142 for receivingprotrusion 136. Groove 142 andprotrusion 136 are configured to enablerotatable element 140 to rotate at least partially aroundbarrel 120.Protrusion 136 is configured to facilitate the assembly ofrotatable element 140 withbarrel 120 while preventing the disassembly ofrotatable element 140 from barrel. Alternatively,rotatable element 140 is configured (e.g., with appropriate positioned slots, a hinge and locking element, etc.) to facilitate its placement over and retention by protrusion(s) 136 in a configuration that enablesinjector 10 to function as described herein. -
FIG. 7 is a perspective view of an alternative embodiment of a syringe barrel with finger holes 64.Syringe 60 includes abarrel 20/20′ and arotatable element 40″ that includesfinger holes 64 that extend therefrom to form ahandle 62. In the exemplary embodiment,rotatable element 40″ is slidably coupled tobarrel 20/20′ in the embodiment shown inFIG. 6 , which includes at least one protrusion 136 (shown inFIG. 6 ) that extends circumferentially outward from a portion ofbarrel 20/20′.Rotatable element 40″ is includes a groove 142 (shown inFIG. 6 ) for receiving protrusion 136 (shown inFIG. 6 ). Groove 142 andprotrusion 136 are configured to enablerotatable element 40″ to rotate at least partially aroundbarrel 20/20′.Protrusion 136 is configured to facilitate the assembly ofrotatable element 40″ withbarrel 20/20′ while preventing the disassembly ofrotatable element 40″ from barrel. Alternatively,rotatable element 40″ may be coupled to barrel using an embodiment shown inFIGS. 3-5 , or any combination of the embodiments described here, or other attachment method that would enableinjector 10 to function as described herein. Additionally, and in the exemplary embodiment,syringe 60 also includes athumb loop 68 disposed on aproximal end 69 ofplunger 66. Alternatively, the ring of thethumb loop 68 may be omitted from this embodiment. -
FIG. 8 is a top view ofexemplary hinge elements 70 extending from arotatable element 40′″.FIG. 9 a side view of an exemplary injector with an infusion/aspiration element secured to a distal end of the syringe barrel. In the exemplary embodiment,rotatable element 40′″ includes at least onehinge element 70 used to couplerotatable element 40′″ to ahandle assembly 12, e.g. as shown inFIG. 1 .Hinge elements 70 extend from opposing sides ofrotatable element 40′″. The axis of rotation ofhinge elements 70 may intersect a central axis throughrotatable element 40′″. With such an arrangement, whenrotatable element 40′″ is in place over an axle 36 (see, e.g.,FIGS. 3-5 ) of asyringe barrel rotatable element 40′″ will substantially align with a central axis through the length ofbarrel hinge elements 70 will also intersect the central axis throughbarrel -
Hinge elements 70 facilitate pivotal assembly ofrotatable element 40′″ with amember 82 ofsyringe actuation handle 80, such as that shown inFIG. 8 .Member 82 of syringe actuation handle 80 is pivotally associated with anothermember 84 that is coupled to a syringe plunger 86. In the exemplary embodiment,members type hinge 88. Alternatively,members injector 10 to function as described herein. - In use, a rotatable element that incorporates embodiments of the present invention (e.g.,
rotatable element barrel peripheral device 90, such as a catheter or needle, remains substantially stationary. Thus, a syringe according to the present invention eliminates the need for relatively complex and expensive rotatable fittings, or coupling elements, such as slip ring luer locks. -
FIG. 10 schematically illustrates a system including handles that are configured to be used with a variety of different barrel configurations.Rotatable element 40″, 40′″ may be disassembled from barrel 20 (see, e.g., the embodiment ofrotatable element 40 shown inFIGS. 2-4 ). In such embodiments, once abarrel 20 has been used, it is removed fromrotatable element 40″, 40′″, disposed of, and replaced with a different barrel 20 a. Thus, the handles (e.g., handle 62 (FIG. 7 ) or handles 80 (FIG. 1 )) that are associated with such arotatable element 40″, 40′″ are reused, which in some instances may reduce the expenses that have conventionally been incurred when many types of syringes, including, but not limited to, control and leveraged syringes, are used. - By enabling barrel replacement, the use of a rotatable element of the present invention (e.g.,
rotatable element 40″, 40″, etc.) in conjunction with reusable handles (e.g., handles 62, 80, etc.) provide a modular system that may be used withsyringe barrels barrel - Exemplary embodiments of slip ring assemblies of use on injector, syringe or aspiration-type devices are described in detail above. The above-described assemblies regarding a rotatable member and removable syringe barrel may be implemented to facilitate a more accessible and practical injector design for easier usage during operation. The embodiments contained herein enable a user to place a peripheral device, such as a catheter or needle, within a patient in any orientation and still use the handles of the injector in a comfortable fashion. In addition to being able to rotate about a barrel (e.g.,
barrel rotatable element handle - Although the foregoing description contains many specifics, these should not be construed as limiting the scope of the present invention, but merely as providing illustrations of some of the presently preferred embodiments. Similarly, other embodiments of the invention may be devised which do not depart from the spirit or scope of the present invention. Features from different embodiments may be employed in combination. The scope of the invention is, therefore, indicated and limited only by the appended claims and their legal equivalents, rather than by the foregoing description. All additions, deletions and modifications to the invention as disclosed herein which fall within the meaning and scope of the claims are to be embraced thereby.
- Although the apparatus and methods described herein are described in the context of using a rotatable member disposed upon an injector for use in medical devices, it is understood that the apparatus and methods are not limited to medical syringe-type injectors. Specifically, for example, dual rotatable members may be disposed upon a double barrel injector/aspirator/syringe apparatus and embodiments of the present application may be employed on such a design in combination. Likewise, the system components illustrated are not limited to the specific embodiments described herein, but rather, system components can be utilized independently and separately from other components described herein.
- As used herein, an element or step recited in the singular and proceeded with the word “a” or “an” should be understood as not excluding plural said elements or steps, unless such exclusion is explicitly recited. Furthermore, references to “one embodiment” of the present invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features.
- While the invention has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/738,846 US20100217122A1 (en) | 2006-10-24 | 2008-04-23 | Syringe with rotatable element, infusion/aspiration system including the syringe, and associated methods, |
Applications Claiming Priority (4)
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US10058656B2 (en) | 2006-10-24 | 2018-08-28 | Pmt Partners, Llc | Syringe with rotatable element, systems including the syringe, and associated methods |
US11071827B2 (en) | 2006-10-24 | 2021-07-27 | Pmt Partners, Llc | Syringe with rotatable element, systems including the syringe, and associated methods |
US20140200483A1 (en) * | 2006-10-24 | 2014-07-17 | Control Medical Technology, Llc | Syringe with rotatable element, aspiration systems including the syringe, and associated methods |
US10207057B2 (en) * | 2006-10-24 | 2019-02-19 | Control Medical Technology, Llc | Syringe with rotatable element, systems including the syringe, and associated methods |
US10322227B2 (en) | 2013-03-15 | 2019-06-18 | 410 Medical, Inc. | Apparatus, kits and related methods for fluid infusion |
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US10987469B2 (en) * | 2014-09-25 | 2021-04-27 | Pmt Partners, Llc | Rotatable finger loop for syringe, syringe configured to receive the rotatable finger loop and associated methods |
US20160089497A1 (en) * | 2014-09-25 | 2016-03-31 | Pmt Partners, Llc | Rotatable finger loop for syringe, syringe configured to receive the rotatable finger loop and associated methods |
US10016564B2 (en) | 2015-02-24 | 2018-07-10 | 410 Medical, Inc. | Apparatus and kits for fluid infusion |
US10391257B2 (en) | 2015-02-24 | 2019-08-27 | 410 Medical, Inc. | Apparatus and kits for fluid infusion |
US11458256B2 (en) | 2015-02-24 | 2022-10-04 | 410 Medical, Inc. | Apparatus and kits for fluid infusion |
US11957886B2 (en) | 2015-02-24 | 2024-04-16 | 410 Medical, Inc. | Rapid fluid delivery system |
US11648029B2 (en) | 2020-02-07 | 2023-05-16 | 2Mg, Inc. | Devices and methods for removal of material in a vasculature |
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US11744936B2 (en) | 2021-03-08 | 2023-09-05 | 410 Medical, Inc. | Systems, apparatus, and methods for fluid infusion |
Also Published As
Publication number | Publication date |
---|---|
JP2014210202A (en) | 2014-11-13 |
JP2011500269A (en) | 2011-01-06 |
US10058656B2 (en) | 2018-08-28 |
EP2227274A1 (en) | 2010-09-15 |
WO2009055086A1 (en) | 2009-04-30 |
EP2211951A1 (en) | 2010-08-04 |
EP2211951A4 (en) | 2015-02-18 |
WO2009055088A1 (en) | 2009-04-30 |
US11071827B2 (en) | 2021-07-27 |
US20080132850A1 (en) | 2008-06-05 |
US20190134312A1 (en) | 2019-05-09 |
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