Wearable devices for treating sleep apnea, and associated systems and methods

A system for addressing sleep apnea in a patient, the system comprising:

• a wearable device including—
• a collar configured to be worn at least partially around a neck of the patient, the collar including—
• a first body portion having a first contact surface configured to be seated against a first anterior portion of the patient's neck to at least partially support the collar about the neck;
• a second body portion having a second contact surface configured to be seated against a second anterior portion of the patient's neck to at least partially support the collar about the neck, wherein, when the collar is worn, the first body portion and the second body portion are biased in a first direction relative to the neck and are spaced apart to define an opening therebetween that is aligned with a trachea of the patient;
• a third body portion extending at least partially between the first body portion and the second body portion and having a third contact surface configured to be seated against a posterior portion of the patient's neck to at least partially support the collar about the neck;
• and
• a relief portion coupling the first body portion to another portion of the collar, the relief portion biased in a second direction relative to the neck different than the first direction and including an innermost surface configured to face toward but be spaced apart from the neck when the collar is worn;
• a first sensor coupled to the first body portion;
• a second sensor coupled to the second body portion;
• and
• control circuitry coupled to the collar and configured to receive data from the first sensor and the second sensor and to generate, based at least in part on the received data, instructions for an implantable device configured to be positioned within the patient to deliver an electrical signal that addresses the patient's sleep apnea, wherein the instructions include instructions regarding the delivery of the electrical signal.