半月板缝合系统
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Types of Tears
• Bucket handle/ vertical longitudinal
• Flap, parrot beak/ oblique • Radial/transverse
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Types of Tears
• Cleavage/horizontal • Degenerative/complex
Anterior 1/3 Middle 1/3 Posterior 1/3
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Meniscal Tears
TRAUMATIC 创伤性
-Younger patients -Usually sports related -More peripheral thus repairable外围可以修补 -May be associated with ACL
Mitek 半月板修复系统
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Agenda
• Anatomy • Product overview • Instructions for use • Hands-on workshop
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Anatomy
• Meniscal function
Load transmission负荷转移 Joint stability 稳定关节 Shock absorption 振荡吸收 Joint lubrication 润滑关节 Joint nutrition 营养关节
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Rapidloc™
Meniscal Repair System
Delivery System
•Existing Meniscal Applier •Less Kickback
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Surgical Technique
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Rapidloc™
Surgical Technique
• Indicated for bucket-handle lesions in the Vascularized areas of the meniscus. 桶状裂
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What Is It?
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Rapidloc™
Meniscal Repair System
Rapidloc™ Implant
Tophat (PLA/PDS)
Backstop (PLA)
Panacryl/ Ethibond Suture
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RapidLoc PDS
•PDS Tophat
-Maintains 80% strength at 6 weeks -10% at 12 weeks
Lateral
Medial
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Anatomy
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Meniscal Blood Supply
Three Zones Red-Red Zone Red-White Zone White-White Zone
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Classification of Tears
Location in relationship to circumference
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Meniscal Anatomy
Crescent-shaped fibrocartilage 新月形纤维软骨组织 Collagen fibers arranged 胶原纤维分布 longitudinally and radially 纵形放射状分布 Triangular in cross section 横切面呈三角型
置、长度 Associated ligamentous injuries联合损伤
• Ideal candidate理想条件
Young person年轻 Acute longitudinal peripheral tear急性纵相
外周损伤 1-2cm in length1-2cm长
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Meniscal Anatomy
Lateral - circular shaped
Medial - C-shaped
Connected anteriorly by transverse meniscal ligament 在前部由半月板横韧带连接 Direct bony attachments at anterior and posterior horns 前后角骨性连接 Lateral and medial coronary ligaments 内外侧有冠状韧带
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Rapidloc™
Meniscal Repair System
• 27° curved needle 228322
• 12° curved needle 228321
• Straight needle 228320
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ຫໍສະໝຸດ Baidu
Rapidloc™
Meniscal Repair System Arthroscopic Pusher
Required - Other pushers do not work.
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New Pusher - Cutter
• Arthroscopic Pusher- Cutter for RapidLoc • Works as a Knot-Pusher • Cuts suture after tophat is compressed to tissue
裂 Tears of the inner edge of meniscus半月板内缘撕裂 Preserve stable meniscus to preserve joint function
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Treatment - Repair
• Factors to consider因素
Patient age年龄 Chronicity of injury是否慢性损伤 Type, location and length of tear类型、位
DEGENERATIVE 变性性
-Older patients -Complex tears -Usually not repairable -Age group typically not suited for repair
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Treatment
• Partial Menisectomy
Complex degenerative tears 复杂变性撕裂。 Central or radial tears放射状撕裂 Deformed or irreparable bucket-handle tears严重桶状