SEGMENTED DELIVERY SYSTEM

• US 20100203155A1
• Filed: 02/12/2010
• Published: 08/12/2010
• Est. Priority Date: 02/12/2009
• Status: Active Grant

• Current Assignee: Warsaw Orthopedic Incorporated (Medtronic Plc)
• Original Assignee: Warsaw Orthopedic Incorporated (Medtronic Plc)
• Inventors: Richards, Cristy, Wei, Guobao, Cohen, Robert, Boyce, Todd M., Shimp, Lawrence A.
• Granted Patent: US 9,101,475 B2
• Time in Patent Office: Days
• US Class Current: 424/549
• CPC Class Codes: A61B 17/823 for the sternum
• CPC Class Codes: A61B 17/8819 characterised by the introducer proximal part, e.g. cannula handle, or by parts which are inserted inside each other, e.g. stylet and cannula A61B17/8825 takes precedence
• CPC Class Codes: A61B 17/8825 characterised by syringe details A61B17/8822, A61B17/8827 take precedence
• CPC Class Codes: A61B 2017/8813 Discharging means for excessively introduced fluid fillers, e.g. discharging excess cement
• CPC Class Codes: A61F 2/30 Joints
• CPC Class Codes: A61F 2/4603 for insertion or extraction of endoprosthetic joints or of accessories thereof
• CPC Class Codes: A61F 2002/0086 for preferentially controlling or promoting the growth of specific types of cells or tissues of bone tissue onto implantable joints A61F2002/3093
• CPC Class Codes: A61F 2002/2825 Femur
• CPC Class Codes: A61F 2002/2835 Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
• CPC Class Codes: A61F 2002/30059 differing in bone mineralization, e.g. made from both mineralized and demineralized adjacent parts
• CPC Class Codes: A61F 2002/30064 Coating or prosthesis-covering structure made of biodegradable material
• CPC Class Codes: A61F 2002/3007 Coating or prosthesis-covering structure made of elastic material, e.g. of elastomer
• CPC Class Codes: A61F 2002/30072 Coating made of plastically deformable or self-moulding material
• CPC Class Codes: A61F 2002/30588 filled with solid particles
• CPC Class Codes: A61F 2002/30677 Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
• CPC Class Codes: A61F 2002/3068 the pharmaceutical product being in a reservoir
• CPC Class Codes: A61F 2002/3093 for promoting ingrowth of bone tissue
• CPC Class Codes: A61F 2002/30971 Laminates, i.e. layered products
• CPC Class Codes: A61F 2002/4627 with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
• CPC Class Codes: A61F 2250/0068 the pharmaceutical product being in a reservoir
• CPC Class Codes: A61F 2310/00592 : Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
• CPC Class Codes: A61F 2310/00958 : Coating or prosthesis-covering structure made of bone or of bony tissue
• CPC Class Codes: A61F 2310/0097 : Coating or prosthesis-covering structure made of pharmaceutical products, e.g. antibiotics
• CPC Class Codes: A61P 19/04 : for non-specific disorders of the connective tissue
• CPC Class Codes: A61P 43/00 : Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Abstract

A covering for delivering a substance or material to a surgical site is provided. The covering, with substance provided therein, may be referred to as a delivery system. Generally, the covering may be a single or multi-compartment structure capable of at least partially retaining a substance provided therein until the covering is placed at a surgical site. Upon placement, the covering may facilitate transfer of the substance or surrounding materials. For example, the substance may be released (actively or passively) to the surgical site. The covering may participate in, control, or otherwise adjust the release of the substance. In various embodiments, the covering may be formed of a collagen material and is suitable for a variety of procedure specific uses.

Claims

1. A delivery system comprising:

a plurality of operably linked segments of at least two types;

a first segment type comprising a covering material defining at least one compartment configured to retain a bone growth substance; and

a second segment type configured to connect segments of the first type;

said delivery system configured to retain a bone growth substance.

2. The delivery system of claim 1, wherein the delivery system comprises segments of the first type that vary in size.

3. The delivery system of claim 1, wherein the second segment type is comprised of a covering material.

4. The delivery system of claim 1, wherein the segments of the first type are pre-filled with approximately equivalent amounts of bone growth substance.

5. The delivery system of claim 1, wherein the second type segments are configured to retain little or no bone growth substance.

6. The delivery system of claim 1, wherein the delivery system is designed for use in a sternum closure procedure.

7. The delivery system of claim 1, wherein the delivery system is used in filling an irregular shaped bone void.

8. The delivery system of claim 7, wherein at least two segments of the first type within the bone void are packed substantially parallel.

9. The delivery system of claim 1, wherein the delivery system is terminally sterilized.

10. The delivery system of claim 9, wherein the delivery system is sterilized by a method chosen from the group consisting of:

gamma radiation, electron beam radiation, UV irradiation, cobalt source radiation;

autoclaving, dry heating, and by supercritical fluid exposure.

11. The delivery system of claim 10, wherein the bone growth substance is sterilized by a method other than that used to sterilize the covering material.

12. A delivery system comprising:

a bone growth substance contained within a covering material, the volume of the bone growth substance is less than the maximum volume of the compartment, wherein said covering material containing said bone growth substance is configured to fit an irregular bone void.

13. The delivery system of claim 12, wherein bone growth substance in excess of that used to fill the void, and excess covering material, is removed and discarded.

14. The delivery system of claim 12, configured to be used in a discectomy.

15. A tool for grasping and placing a delivery system near a bone comprising:

a handle connected to a docking port, said docking port configured to attached to a rigid structure attached to a bone repair delivery system; and

a plunger disposed in said handle configured to push and release said rigid structure into a bone location.