Device and Method for Intra-Operative Radiation Therapy Tumor Cavity Sizing

• US 20140031721A1
• Filed: 07/24/2013
• Published: 01/30/2014
• Est. Priority Date: 07/24/2012
• Status: Abandoned Application

• Current Assignee: University of Iowa Research Foundation
• Original Assignee: University of Iowa Research Foundation
• Inventors: Waldron, Timothy
• Application Number:
  US13/950,009
• Publication Number:
  US 20140031721A1
• Time in Patent Office: Days
• US Class Current: 600/587
• CPC Class Codes: A61B 5/1076 for measuring dimensions inside body cavities, e.g. using catheters A61B3/1005 takes precedence
• CPC Class Codes: A61N 5/1015 Treatment of resected cavities created by surgery, e.g. lumpectomy

Abstract

The embodiments disclosed herein relate to various medical device components, systems and methods of use. Certain embodiments include various modular medical devices for in vivo medical procedures. More specifically, the disclosure relates to a system and methods providing re-sterilizable sizers for use in intra-operative radiation therapy.

Claims

1. A system for determining the size of excision cavities, comprising a plurality of re-sterilizable sizers, said sizers further comprising:

a. a plurality of individual shaft portions; and

b. a plurality of individual head portions of various sizes, said individual head portions affixed to the individual shaft portions for insertion into the excision cavities for assessment of the cavity size.

2. The system of claim 1, wherein the head portions are generally spherical.

3. The system of claim 1, wherein the head portion diameters are greater than 1.5 cm and less than 6.0 cm.

4. The system of claim 1, wherein the plurality of shaft portions are comprised of at least one material selected from the group consisting of anondized aluminum, high-density polyethylene, a stainless steel alloy, nickel titanium alloy, cobalt-chrome alloy, nickel cobalt alloy, molybdenum alloy, tungsten-rhenium alloy, a polymer, polyethylene teraphathalate (PET), polyester, poly ester amide (PEA), polypropylene, aromatic polyester, a liquid crystal polymer, ultra high molecular weight polyethylene, polytetrafluoroethylene (PTFE), expanded PTFE (ePTFE), polyether ketone (PEK), polyether ether ketone (PEEK), poly ether ketone ketone (PEKK), poly aryl ether ketone ketone), nylon, polyether-block co-polyamide polymer, aliphatic polyether polyurethane, polyvinyl chloride (PVC), polyurethane, thermoplastic, fluorinated ethylene propylene (FEP), absorbable or resorbable polymers such as polyglycolic acid (PGA), poly-L-glycolic acid (PLGA), polylactic acid (PLA), poly-L-lactic acid (PLLA), polycaprolactone (PCL), polyethyl acrylate (PEA), polydioxanone (PDS), and pseudo-polyamino tyrosine-based acids, extruded collagen, silicone, zinc, echogenic, radioactive, radiopaque materials, barium sulfate, zinc oxide, titanium, stainless steel, nickel-titanium alloys, tantalum and gold.

5. The system of claim 1, wherein the plurality of head portions are comprised of at least one material selected from the group consisting of anondized aluminum, high-density polyethylene, a stainless steel alloy, nickel titanium alloy, cobalt-chrome alloy, nickel cobalt alloy, molybdenum alloy, tungsten-rhenium alloy, a polymer, polyethylene teraphathalate (PET), polyester, poly ester amide (PEA), polypropylene, aromatic polyester, a liquid crystal polymer, ultra high molecular weight polyethylene, polytetrafluoroethylene (PTFE), expanded PTFE (ePTFE), polyether ketone (PEK), polyether ether ketone (PEEK), poly ether ketone ketone (PEKK), poly aryl ether ketone ketone), nylon, polyether-block co-polyamide polymer, aliphatic polyether polyurethane, polyvinyl chloride (PVC), polyurethane, thermoplastic, fluorinated ethylene propylene (FEP), absorbable or resorbable polymers such as polyglycolic acid (PGA), poly-L-glycolic acid (PLGA), polylactic acid (PLA), poly-L-lactic acid (PLLA), polycaprolactone (PCL), polyethyl acrylate (PEA), polydioxanone (PDS), and pseudo-polyamino tyrosine-based acids, extruded collagen, silicone, zinc, echogenic, radioactive, radiopaque materials, barium sulfate, zinc oxide, titanium, stainless steel, nickel-titanium alloys, tantalum and gold.

7. The method of claim 5, wherein the patient has undergone a lumpectomy.

8. The method of claim 5, wherein the head portions are substantially spherical.

9. The method of claim 5, wherein the head portion diameters are at least 1.5 cm and no more than 6.0 cm.

10. The method of claim 5, wherein the shaft portions are comprised of at least one material selected from the group consisting of anondized aluminum, high-density polyethylene, a stainless steel alloy, nickel titanium alloy, cobalt-chrome alloy, nickel cobalt alloy, molybdenum alloy, tungsten-rhenium alloy, a polymer, polyethylene teraphathalate (PET), polyester, poly ester amide (PEA), polypropylene, aromatic polyester, a liquid crystal polymer, ultra high molecular weight polyethylene, polytetrafluoroethylene (PTFE), expanded PTFE (ePTFE), polyether ketone (PEK), polyether ether ketone (PEEK), poly ether ketone ketone (PEKK), poly aryl ether ketone ketone), nylon, polyether-block co-polyamide polymer, aliphatic polyether polyurethane, polyvinyl chloride (PVC), polyurethane, thermoplastic, fluorinated ethylene propylene (FEP), absorbable or resorbable polymers such as polyglycolic acid (PGA), poly-L-glycolic acid (PLGA), polylactic acid (PLA), poly-L-lactic acid (PLLA), polycaprolactone (PCL), polyethyl acrylate (PEA), polydioxanone (PDS), and pseudo-polyamino tyrosine-based acids, extruded collagen, silicone, zinc, echogenic, radioactive, radiopaque materials, barium sulfate, zinc oxide, titanium, stainless steel, nickel-titanium alloys, tantalum and gold.

11. The method of claim 5, wherein the head portions are comprised of at least one material selected from the group consisting of anondized aluminum, high-density polyethylene, a stainless steel alloy, nickel titanium alloy, cobalt-chrome alloy, nickel cobalt alloy, molybdenum alloy, tungsten-rhenium alloy, a polymer, polyethylene teraphathalate (PET), polyester, poly ester amide (PEA), polypropylene, aromatic polyester, a liquid crystal polymer, ultra high molecular weight polyethylene, polytetrafluoroethylene (PTFE), expanded PTFE (ePTFE), polyether ketone (PEK), polyether ether ketone (PEEK), poly ether ketone ketone (PEKK), poly aryl ether ketone ketone), nylon, polyether-block co-polyamide polymer, aliphatic polyether polyurethane, polyvinyl chloride (PVC), polyurethane, thermoplastic, fluorinated ethylene propylene (FEP), absorbable or resorbable polymers such as polyglycolic acid (PGA), poly-L-glycolic acid (PLGA), polylactic acid (PLA), poly-L-lactic acid (PLLA), polycaprolactone (PCL), polyethyl acrylate (PEA), polydioxanone (PDS), and pseudo-polyamino tyrosine-based acids, extruded collagen, silicone, zinc, echogenic, radioactive, radiopaque materials, barium sulfate, zinc oxide, titanium, stainless steel, nickel-titanium alloys, tantalum and gold.

6. A method for determining the size of an excision cavity in a patient, comprising:

a. providing a plurality of re-sterilizable sizing devices;

further comprising head portions and shaft portions, said shaft portions affixed to the head portions, the head portions being of a range of sizes; and

b. inserting the head portion of one or more of the sizing devices into the excision cavity of the patient to determine the approximate size of the cavity.

12. A method of determining the size of a cavity in a patient undergoing a surgical procedure, comprising:

a. providing at least one sizing device, said sizing device further comprising;

i. a head portion; and

ii. a shaft portion, wherein the shaft portion is affixed to the head portion;

b. establishing the size of the cavity by inserting the head portion of at least one sizing device into the cavity.

13. The method of claim 12, wherein the patient has undergone a lumpectomy.

14. The method of claim 12, wherein the head portions are substantially spherical.

15. The method of claim 12, wherein the head portion diameters are at least 1.12 cm and no more than 6.0 cm.

16. The method of claim 12, wherein the shaft portions are comprised of at least one material selected from the group consisting of anondized aluminum, high-density polyethylene, a stainless steel alloy, nickel titanium alloy, cobalt-chrome alloy, nickel cobalt alloy, molybdenum alloy, tungsten-rhenium alloy, a polymer, polyethylene teraphathalate (PET), polyester, poly ester amide (PEA), polypropylene, aromatic polyester, a liquid crystal polymer, ultra high molecular weight polyethylene, polytetrafluoroethylene (PTFE), expanded PTFE (ePTFE), polyether ketone (PEK), polyether ether ketone (PEEK), poly ether ketone ketone (PEKK), poly aryl ether ketone ketone), nylon, polyether-block co-polyamide polymer, aliphatic polyether polyurethane, polyvinyl chloride (PVC), polyurethane, thermoplastic, fluorinated ethylene propylene (FEP), absorbable or resorbable polymers such as polyglycolic acid (PGA), poly-L-glycolic acid (PLGA), polylactic acid (PLA), poly-L-lactic acid (PLLA), polycaprolactone (PCL), polyethyl acrylate (PEA), polydioxanone (PDS), and pseudo-polyamino tyrosine-based acids, extruded collagen, silicone, zinc, echogenic, radioactive, radiopaque materials, barium sulfate, zinc oxide, titanium, stainless steel, nickel-titanium alloys, tantalum and gold.

17. The method of claim 12, wherein the head portions are comprised of at least one material selected from the group consisting of anondized aluminum, high-density polyethylene, a stainless steel alloy, nickel titanium alloy, cobalt-chrome alloy, nickel cobalt alloy, molybdenum alloy, tungsten-rhenium alloy, a polymer, polyethylene teraphathalate (PET), polyester, poly ester amide (PEA), polypropylene, aromatic polyester, a liquid crystal polymer, ultra high molecular weight polyethylene, polytetrafluoroethylene (PTFE), expanded PTFE (ePTFE), polyether ketone (PEK), polyether ether ketone (PEEK), poly ether ketone ketone (PEKK), poly aryl ether ketone ketone), nylon, polyether-block co-polyamide polymer, aliphatic polyether polyurethane, polyvinyl chloride (PVC), polyurethane, thermoplastic, fluorinated ethylene propylene (FEP), absorbable or resorbable polymers such as polyglycolic acid (PGA), poly-L-glycolic acid (PLGA), polylactic acid (PLA), poly-L-lactic acid (PLLA), polycaprolactone (PCL), polyethyl acrylate (PEA), polydioxanone (PDS), and pseudo-polyamino tyrosine-based acids, extruded collagen, silicone, zinc, echogenic, radioactive, radiopaque materials, barium sulfate, zinc oxide, titanium, stainless steel, nickel-titanium alloys, tantalum and gold.