Automatic injection device

Exemplary embodiments provide a syringe plunger formed of a polymeric material. The syringe plunger includes a pressurizer disposed at a proximal end, and a distal end bifurcated into a first plunger arm having a first conical surface and a second conical surface, and a second plunger arm having a first conical surface and a second conical surface. The distal end includes a first contact surface defined by the first conical surface of the first plunger arm and the first conical surface of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism, the first contact surface disposed at a first angle of between about 40° and about 80° relative to a longitudinal axis of the syringe plunger. The distal end also includes a second contact surface defined by the second conical surface of the first plunger arm and the second conical surface of the second plunger arm, the second contact surface configured to contact the firing engagement mechanism subsequent to contact by the first contact surface.

Improved firing button for automatic injection device

Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism assemblies that minimize or eliminate a misfire that causes a delay in the delivery of an injection. Exemplary embodiments provide methods for minimizing or eliminating misfire that causes a delay in delivery of an injection in automatic injection devices. Exemplary embodiments also provide methods for using automatic injection devices that are free of a misfire that causes delay in delivery of a therapeutic substance into a patient's body.

Automatic injection device

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier has a first opening and a second opening. The first opening is configured to align with the window and the reservoir when the syringe carrier is in the first position, and the second opening is configured to align with the window and the visual indicator when the syringe carrier is in the second position.

AUTOMATIC INJECTION DEVICE

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier has a first opening and a second opening. The first opening is configured to align with the window and the reservoir when the syringe carrier is in the first position, and the second opening is configured to align with the window and the visual indicator when the syringe carrier is in the second position. 1. An automatic injection device comprising:a housing having a first end, a second end, and a barrel between the first end and the second end, the barrel comprising an elongated window to allow viewing of contents inside the housing;a syringe disposed within the housing and having a first end, a second end, and a reservoir between the first end and the second end;a plunger at least partially disposed within the syringe and comprising a visual indicator on a portion of the plunger; anda syringe carrier disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position, the syringe carrier having a first opening and a second opening, the first opening configured to align with the window and the reservoir when the syringe carrier is in the first position, and the second opening configured to align with the window and the visual indicator when the syringe carrier is in the second position.2. The automatic injection device of claim 1 , wherein the elongated window has a substantially symmetrical oval shape or pill shape. ...

AUTOMATIC INJECTION DEVICE

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening. 1. An automatic injection device comprising:a housing having a first end, a second end, and a barrel between the first end and the second end, the barrel comprising an elongated window to allow viewing of contents inside the housing;a syringe disposed within the housing and having a first end, a second end, and a reservoir between the first end and the second end;a plunger at least partially disposed within the syringe and comprising a visual indicator on a portion of the plunger; anda syringe carrier disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position, the syringe carrier having at least one opening and at least one pair of legs defining at least a portion of the at least one opening.2. The automatic injection device of claim 1 , wherein the at least one opening is configured to align with the reservoir when the syringe carrier is in the first position.3. The automatic injection device of claim 1 , wherein the at least one opening comprises a first opening and a second opening claim 1 , the at least one pair of legs defining at least a portion of the first opening claim 1 , the first opening configured to align with the window and the reservoir when the syringe carrier is in the first ...

AUTOMATIC INJECTION DEVICE

Exemplary embodiments provide a syringe plunger formed of a polymeric material. The syringe plunger includes a pressurizer disposed at a proximal end, and a distal end bifurcated into a first plunger arm having a first conical surface and a second conical surface, and a second plunger arm having a first conical surface and a second conical surface. The distal end includes a first contact surface defined by the first conical surface of the first plunger arm and the first conical surface of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism, the first contact surface disposed at a first angle of between about 40° and about 80° relative to a longitudinal axis of the syringe plunger. The distal end also includes a second contact surface defined by the second conical surface of the first plunger arm and the second conical surface of the second plunger arm, the second contact surface configured to contact the firing engagement mechanism subsequent to contact by the first contact surface. 156-. (canceled)57. A syringe plunger formed of a polymeric material , the syringe plunger comprising:a pressurizer disposed at a first end; and a first contact surface defined by the surface between the first transition edge and the second transition edge of the first plunger arm and the surface between the first transition edge and the second transition edge of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism; and', 'a second contact surface defined by the surface between the second transition edge and the third transition edge of the first plunger arm and the surface between the second transition edge and the third transition edge of the second plunger arm, the second contact surface configured to contact the firing engagement mechanism subsequent to contact by the first contact surface., 'a second bifurcated end having a first plunger arm with an end surface, a ...

AUTOMATIC INJECTION DEVICE

Systems, methods, and devices are disclosed for facilitating injection of a medicament using an automatic injection device. The automatic injection device includes a housing defining a confined inner space and having a length extending from a proximal end to a distal end along a longitudinal axis. A helical biasing member, or spring, is disposed in the confined inner space, and the spring has an inner diameter at a middle portion that is greater than an inner diameter at the terminal ends of the spring. A syringe plunger has a second bifurcated end extending into an inner bore of the spring. The bifurcated end includes two flexible arms that are able to flex inwardly and outwardly relative to the longitudinal axis within the inner bore of the spring while maintaining an annular gap between the syringe plunger and the spring. 1. An automatic injection device having a distal end configured to deliver a medicament held in a container therein and a proximal end configured to be controllable by a user , the automatic injection device comprising:a housing defining a confined inner space of the automatic injection device, the housing having a length extending from the proximal end to the distal end along a longitudinal axis;a helical biasing member disposed in the confined inner space of the housing along the longitudinal axis having an inner bore and a length extending from a first terminal end of the helical biasing member to a second terminal end of the helical biasing member opposite the first terminal end, an inner diameter of the helical biasing member at a middle portion between the first terminal end and the second terminal end having a first inner diameter greater than a second inner diameter at the first terminal end or at the second terminal end; anda syringe plunger having a first end extending into the container and a second bifurcated end extending into the inner bore of the helical biasing member along the longitudinal axis, the bifurcated end having a first ...

AUTOMATIC INJECTION DEVICE

Systems, methods, and devices are disclosed for facilitating injection of a medicament using an automatic injection device. The automatic injection device includes a housing defining a confined inner space and having a length extending from a proximal end to a distal end along a longitudinal axis. A helical biasing member, or spring, is disposed in the confined inner space, and the spring has an inner diameter at a middle portion that is greater than an inner diameter at the terminal ends of the spring. A syringe plunger has a second bifurcated end extending into an inner bore of the spring. The bifurcated end includes two flexible arms that are able to flex inwardly and outwardly relative to the longitudinal axis within the inner bore of the spring while maintaining an annular gap between the syringe plunger and the spring. 1. An automatic injection device having a distal end configured to deliver a medicament held in a container therein and a proximal end configured to be controllable by a user , the automatic injection device comprising:a housing defining a confined inner space of the automatic injection device, the housing having a length extending from the proximal end to the distal end along a longitudinal axis;a helical biasing member disposed in the confined inner space of the housing along the longitudinal axis having an inner bore and a length extending from a first terminal end of the helical biasing member to a second terminal end of the helical biasing member opposite the first terminal end, an inner diameter of the helical biasing member at a middle portion between the first terminal end and the second terminal end having a first inner diameter greater than a second inner diameter at the first terminal end or at the second terminal end; anda syringe plunger having a first end extending into the container and a second bifurcated end extending into the inner bore of the helical biasing member along the longitudinal axis, the bifurcated end having a first ...

FIRING BUTTON FOR AUTOMATIC INJECTION DEVICE

Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism assemblies that minimize or eliminate a misfire that causes a delay in the delivery of an injection. Exemplary embodiments provide methods for minimizing or eliminating misfire that causes a delay in delivery of an injection in automatic injection devices. Exemplary embodiments provide methods for using automatic injection devices that are free of a misfire that causes delay in delivery of a therapeutic substance into a patient's body. 1. A firing button for use in an automatic injection device , the firing button comprising:an outer portion configured for contact by a user of the automatic injection device to allow the user to depress the outer portion toward a first end of the automatic injection device; andan inner ring coupled to the outer portion and provided proximate to a bifurcated end of a plunger in the automatic injection device, the inner ring configured to engage the bifurcated end of the plunger when the outer portion is depressed by the user, the inner ring having an inner diameter of between 6.0 mm and 6.7 mm.2. The firing button of claim 1 , wherein the outer portion protrudes from a second end of the automatic injection device.3. The firing button of claim 1 , wherein the outer portion covers all or part of the second end of the automatic injection device.4. The firing button of claim 1 , wherein the inner diameter of the inner ring is 6.4 mm.5. The firing button of claim 1 , wherein the inner diameter of the inner ring is 6.5 mm.6. The firing button of claim 1 , wherein the inner diameter of the inner ring is 6.6 mm.7. The firing button of claim 1 , wherein the inner diameter of the inner ring is 6.7 mm.8. The firing button of claim 1 , wherein a length of the inner ring is between 6.73 ...

Automatic Injection Device

A syringe carrier for use within an automatic injection device includes a substantially tubular body having a first end, a middle portion, and a second end, configured to contain a portion of a syringe and displace the syringe within a housing of the automatic injection device from a first position to a second position; a first pair of legs defining at least a portion of a front opening in the substantially tubular body proximal to the first end; a second pair of legs defining at least a portion of a rear opening in the substantially tubular body proximal to the first end; and a syringe carrier coupler having a first beam and a second beam extending from the middle portion partially beyond the first pair of legs at the first end of the substantially tubular body. 1. A syringe carrier for use within an automatic injection device comprising:a substantially tubular body having a first end, a middle portion, and a second end, configured to contain a portion of a syringe and displace the syringe within a housing of the automatic injection device from a first position to a second position;a first pair of legs defining at least a portion of a front opening in the substantially tubular body proximal to the first end;a second pair of legs defining at least a portion of a rear opening in the substantially tubular body proximal to the first end; anda syringe carrier coupler having a first beam and a second beam extending from the middle portion partially beyond the first pair of legs at the first end of the substantially tubular body.2. The syringe carrier of claim 1 , wherein the first pair of legs and the second pair of legs are distributed circumferentially about the substantially tubular body of the syringe carrier.3. A syringe carrier for use within an automatic injection device comprising:a substantially tubular body having a first end, a middle portion, and a second end, configured to contain a portion of a syringe and displace the syringe within a housing of the ...

AUTOMATIC INJECTION DEVICE

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening. 1. An automatic injection device comprising:a housing having a first end, a second end, and a barrel between the first end and the second end, the barrel comprising an elongated window to allow viewing of contents inside the housing;a syringe disposed within the housing and having a first end, a second end, and a reservoir between the first end and the second end;a plunger at least partially disposed within the syringe and comprising a visual indicator on a portion of the plunger; anda syringe carrier disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position, the syringe carrier having at least one opening and at least one pair of legs defining at least a portion of the at least one opening.2. The automatic injection device of claim 1 , wherein the at least one opening is configured to align with the reservoir when the syringe carrier is in the first position.3. The automatic injection device of claim 1 , wherein the at least one opening comprises a first opening and a second opening claim 1 , the at least one pair of legs defining at least a portion of the first opening claim 1 , the first opening configured to align with the window and the reservoir when the syringe carrier is in the first ...

Automatic injection device

Disclosed is a syringe plunger formed of a polymeric material. The syringe plunger includes a pressurizer disposed at a proximal end, and a distal end bifurcated into a first plunger arm having a first conical surface and a second conical surface, and a second plunger arm having a first conical surface and a second conical surface. The distal end includes a first contact surface defined by the first conical surface of the first plunger arm and the first conical surface of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism, the first contact surface disposed at a first angle of between about 40° and about 80° relative to a longitudinal axis of the syringe plunger.

Automatic injection device

Exemplary embodiments provide a syringe plunger formed of a polymeric material. The syringe plunger includes a pressurizer disposed at a proximal end, and a distal end bifurcated into a first plunger arm having a first conical surface and a second conical surface, and a second plunger arm having a first conical surface and a second conical surface. The distal end includes a first contact surface defined by the first conical surface of the first plunger arm and the first conical surface of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism, the first contact surface disposed at a first angle of between about 40° and about 80° relative to a longitudinal axis of the syringe plunger. The distal end also includes a second contact surface defined by the second conical surface of the first plunger arm and the second conical surface of the second plunger arm, the second contact surface configured to contact the firing engagement mechanism subsequent to contact by the first contact surface.

Firing button for automatic injection device

Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism assemblies that minimize or eliminate a misfire that causes a delay in the delivery of an injection. Exemplary embodiments provide methods for minimizing or eliminating misfire that causes a delay in delivery of an injection in automatic injection devices. Exemplary embodiments provide methods for using automatic injection devices that are free of a misfire that causes delay in delivery of a therapeutic substance into a patient's body.

Automatic injection device

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening.

Automatic injection device

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening.

Automatic injection device

Automatic injection device

Automatic injection device

Automatic injection device and plunger for same

Exemplary embodiments provide a syringe plunger formed of a polymeric material. The syringe plunger includes a pressurizer disposed at a proximal end, and a distal end bifurcated into a first plunger arm having a first conical surface and a second conical surface, and a second plunger arm having a first conical surface and a second conical surface. The distal end includes a first contact surface defined by the first conical surface of the first plunger arm and the first conical surface of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism, the first contact surface disposed at a first angle of between about 40° and about 80° relative to a longitudinal axis of the syringe plunger.

Improved firing button for automatic injection device

Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism assemblies that minimize or eliminate a misfire that causes a delay in the delivery of an injection. Exemplary embodiments provide methods for minimizing or eliminating misfire that causes a delay in delivery of an injection in automatic injection devices. Exemplary embodiments provide methods for using automatic injection devices that are free of a misfire that causes delay in delivery of a therapeutic substance into a patient's body.

Automatic injection device

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel between a first end and a second end. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can be substantially transparent. The syringe carrier can have first and second legs and an extension disposed therebetween, and at least a portion of the extension can be configured to align with the window and the reservoir when the syringe carrier is in the first position.

Improved firing button for automatic injection device

Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism assemblies that minimize or eliminate a misfire that causes a delay in the delivery of an injection. Exemplary embodiments provide methods for minimizing or eliminating misfire that causes a delay in delivery of an injection in automatic injection devices. Exemplary embodiments provide methods for using automatic injection devices that are free of a misfire that causes delay in delivery of a therapeutic substance into a patient's body.

Automatic injection device

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening.

Automatic Injection Device

Exemplary embodiments provide a syringe plunger formed of a polymeric material. The syringe plunger includes a pressurizer disposed at a proximal end, and a distal end bifurcated into a first plunger arm having a first conical surface and a second conical surface, and a second plunger arm having a first conical surface and a second conical surface. The distal end includes a first contact surface defined by the first conical surface of the first plunger arm and the first conical surface of the second plunger arm, the first contact surface configured to initially contact a firing engagement mechanism, the first contact surface disposed at a first angle of between about 40° and about 80° relative to a longitudinal axis of the syringe plunger. The distal end also includes a second contact surface defined by the second conical surface of the first plunger arm and the second conical surface of the second plunger arm, the second contact surface configured to contact the firing engagement mechanism subsequent to contact by the first contact surface.

Automatic injection device

Automatic injection device

Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening.