Ortho Cryptic

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Across
  1. 4. Anaesthetic in patella colonel recalled (5)
  2. 7. Canine denied stick (4)
  3. 10. Physician adjusts cord to treat(6)
  4. 12. One operating gun rose carefully (7)
  5. 13. Rearrange colt pieces for retraction and protrusion (10)
  6. 16. Crapshooter plays big with small tool (11)
  7. 20. Luxembourg lacking in bows when taken for granted (5)
  8. 23. Caregiver to attend (5)
  9. 24. Treatment known to be the corniest ring? (9)
  10. 25. Novel rust use (7)
  11. 26. Authoritative order (5)
  12. 27. Men usually show considerable latent energy (6)
Down
  1. 1. A concern lingers for surgeons, initially (3)
  2. 2. Tied a sunday roast together? (9)
  3. 3. As orderly patients will be dealt with, said student (6)
  4. 5. Clear trees for building (5)
  5. 6. Inspect firm's return (3)
  6. 8. Decline the world cup, for example (7)
  7. 9. Lo and behold, Bach orchestrates miracles (6)
  8. 11. Ignoring the odds, best buddies study abroad (5)
  9. 14. Flamenco land with Roman ailment (6)
  10. 15. Core belief of ortho practice (4,6)
  11. 17. Backing west closure (3)
  12. 18. The boy showed a fatal weakness (8,4)
  13. 19. Yesterday a dog disrupted orders (5,6,2)
  14. 21. Water balloons have a tendency to irritate (8)
  15. 22. Root found in Greek crescents (8)