Drop-In Locks

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Available in the Air-Lock & Easy-Off Lock

Drop-In Air-Lock

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CD122A | Drop-In Air-Lock

Weight Limit: 350 lbs

Build Height: 2.020"

Use the Drop-In Air-Lock for when you want a removable lock housing

CD122AFD - Fabrication dummy sold separately

  • Expulsion valve or suspension sleeve not needed in most cases

  • Airtight suction - dual suspension security of a pin

  • Water-resistant

CD122AFD | Drop-In Air-Lock Fabrication Dummy
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Dummy for Drop-In Air-Lock

Drop-In Dummy
Push Plate




If lock plate replacement is happening frequently, make sure you are adjusting pin spacers to minimize pistoning. If the prosthetic is used in a gritty, sandy environment you might have the patient clean out the bottom of the socket more frequently.

*CD103LP: the part # for the replacement lock

Drop-In Easy-Off Lock

CD122E | Drop-In Easy-Off Lock

Weight Limit: 265 lbs

Build Height: 2.175"

Use the Drop-In Easy-Off Lock for when you want a removable lock housing

CD122EFD - Fabrication dummy sold separately

  • Airtight suction - dual suspension security of a pin

  • Easy donning and doffing with lever release

  • Water-resistant

CD122EFD | Drop-In Easy-Off Lock Fabrication Dummy
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Dummy for Drop-In Easy-Off Lock

Drop-In Dummy
Push Plate





The two-part pin has been our standard for years. The solid brass pin can be quieter and has a higher pull strength. The thread is determined by which liner you choose.

Which Pin to Choose?

Billing Information: Recommended Codes

L5671: Addition to lower extremity, Below Knee/Above Knee suspension locking mechanism (shuttle, lanyard, or equal), excludes socket insert

*L5647: Addition to lower extremity, Below Knee, suction socket

*L5652: Addition to lower extremity, suction suspension, Above Knee or Knee Disarticulation Socket

*Not recommended for billing Medicare. Coyote believes that "suction" in a prosthetic refers to the negative pressure created inside the socket, rather than componentry such as an expulsion valve or sleeve. Because we think suction as a function, we believe it should be permitted to bill L5671 in conjunction with the L5647 or L5652 in cases when it is medically necessary. As with other situations where multiple suspension methods are used and billed we feel the combination of a lock and suction helps to increase safety for the patient.

**The CD117 Easy-Off Lock can be used with a vacuum system and will maintain vacuum levels. Both lock code and vacuum code can be billed when using dual suspension. Not recommended for billing with Medicare.

The listing of codes with our products should not be construed as a guarantee for coverage and/or payment.

The ultimate responsibility for the coding of services/products rests with the individual practioner.

For more information regarding billing the Air-Lock and our socket pressure study between airtight and traditional pins, please fill out the contact form below or head to our Contact page for more options.