4  Caught one who repairs pillboxes with coffin (10)

 9  Keen shortening upper limb, bowel and earlobe to begin with (6)

10 To be sure catches doctor separating blockage (8)

11 Hormonal sign of growing up: males reach out (8)

13 Without doctors due, blood finally oozed out of the body (6)

14 Silly removing tip of crushed radius (primarily left) (4)

15 Messy GI reaction induced by surgeon? (10)

18 It measures over 1.435 metres from opening of back passage to first part of gut (area bulgier in places) (5-5)

20 Medicine man extracts heart – four times! (4)

21 Is operation connected with overdose – it may give the creepy-crawlies? (6)

24 Cheese found in Italy's army applied to lower limb - soldier skins toe (8)

25 At last, reconstruction without breaking nose (8)

27 Severe upset passes through any hole (6)

28 Monkey’s bone is pointing the wrong way … almost haemorrhaged (10)

29 Ventilates American first without limits (4)

 2  Perhaps Arab’s shock from sore hands – dizzy and in need of air (9)

 3  Almost complain medical lubricant is grating (7)

 4  Holding new facial feature splitting canine part (9)

 5  Relief uttered when start of surgery cancelled (3)

 6  Labiate gland retaining only 66% energy (5)

 7  Divert blood network around beaten body – dropping temperature! (7)

 8  In short, US operating room’s worried talk (5)

12 Confide in nurse in front of local hospital’s governing body (7)

16 Far from skinny admirer is cycling prior to changing gear (9)

17 Designer of new technology shifts migraine swallowing drug (9)

19 Tradename is expunged from this postnatal repair according to a fixed rate, (7, two words)

20 Fury! Enormous amounts of bloody fluid originally lost (7)

22 Diaphragm’s contracted by jolly strong wind (5)

23 Depresses doctor of surgery ringing hospital department (5)

26 Very black after ecchymoses initially recede (3)