Patents Assigned to ERMI LLC
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Publication number: 20260144694Abstract: A device for manipulating an arm is disclosed. The device includes a base member; an upper arm member connected to the base member, the upper arm member having a pivot end and a distal end; a forearm member pivotally connected to the upper arm member, the forearm member having a pivot end and a distal end, the pivot end of the forearm member being pivotally connected to the pivot end of the upper arm member; and a force application system connected between the upper arm member and the forearm member, the force application system including: a force applicator connected between the distal end and the pivot end of the forearm member; and a force application mechanism connected at or near the distal end of the upper arm member, wherein the force application mechanism applies a force to the force applicator, providing extension or flexion assistance to the arm.Type: ApplicationFiled: January 16, 2026Publication date: May 28, 2026Applicant: ERMI LLCInventors: Shaun Kevin Stinton, Thomas P. Branch, Edward S. Dittmar, Matei Dan, Tim Lester
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Publication number: 20260102305Abstract: A device for improving range of motion of a hip joint, includes: a base; a lower trunk support system; a leg fixing assembly connected to the base; and a target leg motion assembly connected to the base, including: a target leg holding assembly configured to hold an upper portion of a target leg of a user; a lower leg holding assembly configured to hold a lower portion of the target leg of a user, and at least one of: a flexion system configured to selectively move the target let holding assembly in an arc about a first axis; a coronal rotation system configured to selectively move the target leg holding system in an arc about a second axis; and a transverse rotation system configured to selectively move the lower leg holding system in an arc about a third axis.Type: ApplicationFiled: October 14, 2025Publication date: April 16, 2026Applicant: ERMI LLCInventors: Jon Hartley Branch, Ethan Michael DeVries, Benjamin Scott Clarke, Thomas P. Branch
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Patent number: 12544293Abstract: A device is provided for manipulating an arm of a user, thereby providing extension or flexion assistance to the arm about an elbow. The device has an arm engagement system, having an upper arm member with an upper arm frame having a pivot end and a distal end, a posterior elbow pad, a forearm member with a forearm frame having a pivot end and a distal end and a distal wrist pad, and a pivoting connection operatively coupled with the pivot end of the upper arm frame and the pivot end of the forearm frame. A force application system having a force applicator is connected between the distal end and the pivot end of the forearm frame. A force application mechanism is connected at or near the distal end of the upper arm frame.Type: GrantFiled: July 17, 2020Date of Patent: February 10, 2026Assignee: Ermi LLCInventors: Shaun Kevin Stinton, Thomas P. Branch, Edward S. Dittmar, Matei Dan, Tim Lester
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Publication number: 20240215909Abstract: Disclosed are a joint manipulation device and system for increasing the range of motion of a joint of a user, and monitoring the compliance of the user's operation of the joint manipulation device to standards or guidelines set by a monitoring entity. Certain sensors associated with the joint manipulation device may cause an indicator to transmit an alert to the user based on whether or not the device is sufficiently engaged with a limb or joint of the user to be considered in compliance. Additionally, progress data associated with the range of motion of the user's joint may be obtained by a sensor assembly and transmitted to one or more systems associated with the device system. Progress data obtained during a period of non-compliant use of the device may be excluded from the transmitted data, thereby generating a set of compliant progress data for accurate analysis of device effectiveness.Type: ApplicationFiled: March 19, 2024Publication date: July 4, 2024Applicant: Ermi LLCInventors: Shaun Kevin Stinton, Edward Dittmar, Thomas P. Branch, T. Christopher Madden
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Patent number: 11957481Abstract: Disclosed are a joint manipulation device and system for increasing the range of motion of a joint of a user, and monitoring the compliance of the user's operation of the joint manipulation device to standards or guidelines set by a monitoring entity. Certain sensors associated with the joint manipulation device may cause an indicator to transmit an alert to the user based on whether or not the device is sufficiently engaged with a limb or joint of the user to be considered in compliance. Additionally, progress data associated with the range of motion of the user's joint may be obtained by a sensor assembly and transmitted to one or more systems associated with the device system. Progress data obtained during a period of non-compliant use of the device may be excluded from the transmitted data, thereby generating a set of compliant progress data for accurate analysis of device effectiveness.Type: GrantFiled: February 21, 2020Date of Patent: April 16, 2024Assignee: ERMI LLCInventors: Shaun Kevin Stinton, Edward Dittmar, Thomas P. Branch, T. Christopher Madden
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Patent number: 11826274Abstract: Embodiments of the invention are directed to devices and methods for providing extension and flexion assistance about a joint of a user. In some cases, a device may manipulate an arm of a user, thereby providing extension or flexion assistance to the arm about an elbow. In other cases, a device may manipulate a hand of a user to provide palmar flexion or dorsiflexion assistance about a wrist of the user.Type: GrantFiled: December 13, 2014Date of Patent: November 28, 2023Assignee: ERMI LLCInventors: Thomas P. Branch, Shaun Kevin Stinton, Edward Dittmar, Nathaniel Kinsey DeJarnette
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Patent number: 11679294Abstract: Embodiments of the invention are directed to devices and methods for providing extension and flexion assistance. A device manipulates a foot of a user, thereby providing extension or flexion assistance to an ankle of the user, and includes a footplate positioned at a pre-determined distance from the user and adapted to pivot about an axis defined by the ankle as the foot extends or flexes about the ankle; and a force application system comprising a force applicator connected to the footplate, and a force application mechanism, wherein the force application mechanism is configured to apply a force to the force applicator, thereby providing the extension or flexion assistance to the foot about the ankle.Type: GrantFiled: October 15, 2020Date of Patent: June 20, 2023Assignee: ERMI LLCInventors: Shaun Kevin Stinton, Thomas P. Branch, Edward S. Dittmar, Matei Dan
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Patent number: 11666501Abstract: Devices manipulate a hand of a user to provide pronation or supination assistance. Embodiments include an anchor; a hand engagement member operatively attached to the anchor and configured to receive and engage the hand of the user; a force applicator having a member portion and an anchor portion opposite the member portion, the force applicator attached to the hand engagement member proximate its member portion and attached to the anchor proximate its anchor portion; and a force application mechanism attached to the anchor and configured to cause a force to be applied to the force applicator causing the hand engagement member to manipulate the hand of the user to provide pronation or supination assistance. In some embodiments, the force application mechanism includes a non-incremental rotary mechanism. In some embodiments, a flexible tethering member attaches the anchor to the hand engagement member.Type: GrantFiled: March 19, 2019Date of Patent: June 6, 2023Assignee: Ermi LLCInventors: Thomas P. Branch, Shaun Kevin Stinton, Edward Dittmar, Nathaniel Kinsey DeJarnette
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Publication number: 20210113878Abstract: Embodiments of the invention are directed to devices and methods for providing extension and flexion assistance. A device manipulates a foot of a user, thereby providing extension or flexion assistance to an ankle of the user, and includes a footplate positioned at a pre-determined distance from the user and adapted to pivot about an axis defined by the ankle as the foot extends or flexes about the ankle; and a force application system comprising a force applicator connected to the footplate, and a force application mechanism, wherein the force application mechanism is configured to apply a force to the force applicator, thereby providing the extension or flexion assistance to the foot about the ankle.Type: ApplicationFiled: October 15, 2020Publication date: April 22, 2021Applicant: ERMI LLCInventors: Shaun Kevin Stinton, Thomas P. Branch, Edward S. Dittmar, Matei Dan
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Patent number: 10603240Abstract: Disclosed is a therapeutic stretching apparatus, which in particular provides a user with a system for providing an assist to increase knee extension as well as for maintaining stability of the knee after surgery. This device can not only act as a therapeutic stretching apparatus but also can act as a primary post-op knee brace with locks/limits on hinge to prevent user from further injuring the joint.Type: GrantFiled: February 22, 2018Date of Patent: March 31, 2020Assignee: ERMI LLCInventors: Thomas P. Branch, Edward S. Dittmar, Timothy James Shary, Shaun Kevin Stinton, Nathaniel K. DeJarnette