Apparatus and method for an earpiece device

1. A sound-attenuation system for placement at least partially in an ear canal of a person, the system comprising:

a base having an emitter end and a receiver end, wherein the base includes:

a first flange at the emitter end of the base, wherein the first flange has a cup shape having a convex external surface at the emitter end of the base and an outer perimeter, wherein the cup shape is configured to engage the ear canal to create a seal in the ear canal, wherein the first flange has a concave inner surface toward the receiver end of the base,

a stop located within the cup shape of the first flange;

a sound-attenuation plug having a distal end and a proximal end, wherein the sound-attenuation plug includes a first channel that passes through an entire length of the sound-attenuation plug, wherein the sound-attenuation plug is configured to couple to the base such that the distal end of the sound-attenuation plug is adjacent to the stop and at least a portion of the sound-attenuation plug is within the outer perimeter of the cup shape of the first flange.

2. The sound-attenuation system of claim 1 , wherein the base includes a second flange, and wherein the proximal end of the sound-attenuation plug is adjacent to the second flange.

3. The sound-attenuation system of claim 1 , wherein the base includes a second channel that passes through an entire length of the base.

4. The sound-attenuation system of claim 1 , wherein a portion of the base is tapered and has an outer diameter that decreases from the receiver end of the base to the emitter end of the base.

5. The sound-attenuation system of claim 1 , wherein the sound-attenuation plug includes a foam body.

6. The sound-attenuation system of claim 1 , wherein the receiver end of the base has a first longitudinal axis, wherein the emitter end of the base has a second longitudinal axis, and wherein the first longitudinal axis is at a first angle between approximately 20 and 70 degrees relative to the second longitudinal axis.

7. The sound-attenuation system of claim 1 , wherein the base further includes:

a barbed stem; and

an adapter sleeve having an emitter end and a receiver end, wherein the adapter sleeve is configured to couple to the barbed stem such that the emitter end of the adapter sleeve forms the emitter end of the base, wherein the adapter sleeve is configured to insert into the first channel of the sound-attenuation plug such that the sound-attenuation plug is coupled to the base, and wherein the first flange is configured to couple to the emitter end of the adapter sleeve.

8. The sound-attenuation system of claim 1 , wherein the first flange is made from polyvinyl chloride (PVC) having a durometer of 35 Shore A.

9. The sound-attenuation system of claim 1 , further comprising:

a sound filter configured to insert into the receiver end of the base, wherein the sound filter has a channel extending from an inlet end to an outlet end, wherein the sound filter is coupled to a cap by a joint, and wherein the joint is configured to allow the cap to have a first position in which the cap occludes the channel and to have a second position in which the cap is clear of the channel.

10. The sound-attenuation system of claim 1 , further comprising:

a handle configured to insert into the receiver end of the base, wherein the handle is configured to be held by the person such that the sound-attenuation system can be inserted into the ear canal of the person.

11. A method for assembling a sound-attenuation earplug, the method comprising:

forming a base having an emitter end and a receiver end, wherein the base includes:

a first flange at the emitter end of the base, wherein the first flange has a cup shape having a convex external surface at the emitter end of the base and an outer perimeter, wherein the cup shape is configured to engage the ear canal to create a seal in the ear canal, wherein the first flange has a concave inner surface toward the receiver end of the base,

a stop located within the cup shape of the first flange;

forming a sound-attenuation plug having a distal end and a proximal end, wherein the sound-attenuation plug includes a first channel that passes through an entire length of the sound-attenuation plug; and

forming the sound-attenuation earplug by coupling the sound-attenuation plug to the base such that the distal end of the sound-attenuation plug is adjacent to the stop and such that at least a portion of the sound-attenuation plug is within the outer perimeter of the cup shape of the first flange.

12. The method of claim 11 , wherein the sound-attenuation plug includes a foam body.

13. The method of claim 11 , wherein the receiver end of the base has a first longitudinal axis, wherein the emitter end of the base has a second longitudinal axis, and wherein the first longitudinal axis is at a first angle relative to the second longitudinal axis.

14. The method of claim 11 , wherein the forming of the base includes forming a second flange, wherein the proximal end of the sound-attenuation plug is adjacent to the second flange.

15. The method of claim 11 , wherein the sound-attenuation earplug includes a second channel that passes through an entire length of the sound-attenuation earplug.

16. The method of claim 11 , wherein the forming of the base includes tapering a portion of the base such that an outer diameter of the base decreases from the receiver end of the base to the emitter end of the base.

17. The method of claim 11 , wherein the forming of the base includes:

forming a barbed stem;

forming an adapter sleeve having an emitter end and a receiver end; and

coupling the adapter sleeve to the barbed stem such that the emitter end of the adapter sleeve forms the emitter end of the base;

wherein the forming of the sound-attenuation earplug includes inserting the adapter sleeve into the first channel of the sound-attenuation plug, the method further comprising:

coupling the first flange to the emitter end of the adapter sleeve.

18. The method of claim 11 , wherein the first flange is made from polyvinyl chloride (PVC) having a durometer of 35 Shore A.

19. The method of claim 11 , further comprising:

forming a handle;

inserting the handle into the receiver end of the base, wherein the handle is configured to be held by the person such that the sound-attenuation system can be inserted into the ear canal of the person.

20. The method of claim 11 , further comprising:

forming a sound filter;

inserting the sound filter into the receiver end of the base, wherein the sound filter has a channel extending from an inlet end to an outlet end, wherein the sound filter is coupled to a cap by a joint, and wherein the joint is configured to allow the cap to have a first position in which the cap occludes the channel and to have a second position in which the cap is clear of the channel.