Stabilizing an object in the body of a patient involves the injection of a lower critical solution temperature (LCST) material or other flowable material into the body of the patient so that the material contacts the object. The LCST material or other flowable material then forms a gel in the body s
Stabilizing an object in the body of a patient involves the injection of a lower critical solution temperature (LCST) material or other flowable material into the body of the patient so that the material contacts the object. The LCST material or other flowable material then forms a gel in the body such that the object is contained at least partially within the gel and thereby stabilized by the gel such that the object can then be easily fragmented within the body and/or retrieved from the body.
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1. A system for introducing a material into a body of a patient comprising: a flowable material comprising a block copolymer having reverse thermal gelation properties, which remains in a liquid form below about a temperature inside the body of the patient and which forms a gel about at and above th
1. A system for introducing a material into a body of a patient comprising: a flowable material comprising a block copolymer having reverse thermal gelation properties, which remains in a liquid form below about a temperature inside the body of the patient and which forms a gel about at and above the temperature inside the body of the patient; andan injection device for transferring the flowable material into the patient's body, whereby the flowable material is transferred in a liquid form from the injection device into a cavity or space within the patient's body and the flowable material changes into a gel form in the cavity or space of the body. 2. The system of claim 1, wherein the injection device comprises an automated or human-operated syringe. 3. The system of claim 1, wherein the flowable material comprises a polyoxyethylene-polyoxypropylene block copolymer. 4. The system of claim 1, wherein the flowable material comprises a polyoxyethylene-polyoxypropylene block copolymer, wherein the molecular weight of the block copolymer is between 5,000 and 25,000 or between 7,000 and 15,000. 5. The system of claim 1, wherein the flowable material comprises a biodegradable polyoxyethylene-polyoxypropylene block copolymer. 6. The system of claim 1, wherein the flowable material comprises copolymers of polyethylene oxide and polypropylene oxide. 7. The system of claim 1, wherein the flowable material comprises pluronic acid. 8. The system of claim 1, wherein the flowable material comprises pluronic acid in a solution of phosphate buffered saline. 9. The system of claim 1, wherein the flowable material comprises pluronic acid and further comprises a dye, hormone, therapeutic agent, filler, or an antibiotic. 10. The system of claim 1, wherein the flowable material has a temperature below ambient air temperature prior to transfer into the cavity or space within the patient's body. 11. The system of claim 1, wherein the injection device is a percutaneous access device. 12. The system of claim 1, wherein the injection device is a percutaneous access device having a needle. 13. The system of claim 1, wherein the injection device is capable of applying pressure to the flowable material to force it in a liquid form from the injection device. 14. The system of claim 1, wherein the flowable material changes into a gel form to form a seal or plug in the cavity or space within the patient's body. 15. The system of claim 1, wherein the flowable material is a carrier for chemical compounds, drugs, hormones, dyes, or other additives that enhance the effectiveness, safety or functionality of the gel. 16. The system of claim 1, wherein the flowable material comprises a lower critical solution temperature material. 17. The system of claim 1, wherein the device comprises an automated or human-operated syringe comprising a needle. 18. A system for introducing a material into a body of a patient comprising: a flowable material comprising a polyoxyethylene-polyoxypropylene block copolymer, which remains in a liquid form below about a temperature inside the body of the patient and which forms a gel about at and above the temperature inside the body of the patient; anda device for transferring the material into the patient's body in flowable form, whereby the flowable material is transferred in a liquid form from the device into a cavity or space within the patient's body and the flowable material changes into a gel form in the cavity or space of the body, wherein the device is a catheter. 19. The system of claim 18, wherein the flowable material comprises a polyoxyethylene-polyoxypropylene block copolymer having a molecular weight between 5,000 and 25,000 or between 7,000 and 15,000. 20. The system of claim 18, wherein the flowable material comprises pluronic acid.
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