blood supply of femoral head and talus

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…..