blood supply of femoral head and talus
Post on 16-Feb-2017
269 Views
Preview:
TRANSCRIPT
BLOOD SUPPLY OF FEMORALHEAD AND NECK
1. Extra Capsular Arterial Ring
2. Artery of Ligamentum Teres
3. Epiphyseal blood supply
4. Metaphyseal blood supply
Extra capsular arterial ring• Formed posteriorly by
MFCA.
• Formed anteriorly by LFCA.
EPIPHYSEAL BLOOD SUPPLY
Subsynovial intra articular ring. ↓ Medial epiphyseal artery. Lateral epiphyseal artery.
METAPHYSEAL BLOOD SUPPLY
• Extra capsular arterial ring• Ascending cervical branches
BLOOD SUPPLY OF SCAPHOID
• From Radial Artery• 1)Latero volar A. – proximal 2/3 rd• 2)Dorsal A.• 3)Distal A.
Distal branch dorsal branch
BLOOD SUPPLY OF TALUS• EXTRAOSSEOUS• Posterior Tibial A - Tarsal Canal A.• - Deltoid branch
• Anterior Tibial Artery -> Dorsalis Pedis -> superior neck branch.
• Branch of Dorsalis Pedis + Branch of Perforating Peroneal -> Sinus Tarsi A.
INTEROSSEOUS SUPPLY• HEAD OF TALUS• Medial – braches of • dorsalis pedis.• Lateral – artery of • tarsal sinus.
BODYOF TALUS• Lateral 1/3rd – tarsal sinus A.
• Middle – tarsal sinus A + tarsal canal A.
• Medial – Deltoid A.
• ThAnKs…..
top related