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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0729109 (2010-03-22) |
| 등록번호 | US-9055965 (2015-06-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 8 인용 특허 : 641 |
Sinusitis and other disorders of the ear, nose and throat are diagnosed and/or treated using minimally invasive approaches with flexible or rigid instruments. Various methods and devices are used for remodeling or changing the shape, size or configuration of a sinus ostium or duct or other anatomica
Sinusitis and other disorders of the ear, nose and throat are diagnosed and/or treated using minimally invasive approaches with flexible or rigid instruments. Various methods and devices are used for remodeling or changing the shape, size or configuration of a sinus ostium or duct or other anatomical structure in the ear, nose or throat; implanting a device, cells or tissues; removing matter from the ear, nose or throat; delivering diagnostic or therapeutic substances or performing other diagnostic or therapeutic procedures. Introducing devices (e.g., guide catheters, tubes, guidewires, elongate probes, other elongate members) may be used to facilitate insertion of working devices (e.g. catheters e.g. balloon catheters, guidewires, tissue cutting or remodeling devices, devices for implanting elements like stents, electrosurgical devices, energy emitting devices, devices for delivering diagnostic or therapeutic agents, substance delivery implants, scopes etc.) into the paranasal sinuses or other structures in the ear, nose or throat. Specific devices (e.g., tubular guides, guidewires, balloon catheters, tubular sheaths) are provided as are methods for manufacturing and using such devices to treat disorders of the ear, nose or throat.
1. A method of performing a surgery on a paranasal sinus of a human or animal subject, said method comprising the steps of: a) inserting at least one endoscope;b) inserting at least one rigid tool capable of performing a maneuver within the field of view of the endoscope;c) inserting a balloon cathe
1. A method of performing a surgery on a paranasal sinus of a human or animal subject, said method comprising the steps of: a) inserting at least one endoscope;b) inserting at least one rigid tool capable of performing a maneuver within the field of view of the endoscope;c) inserting a balloon catheter that has at least one flexible region capable of performing a maneuver outside the field of view of the endoscope, the balloon catheter comprising a catheter shaft, a non-compliant balloon mounted on the catheter shaft, said balloon being positionable within the opening of the paranasal sinus while in a non-inflated state and thereafter inflatable to an inflated state having a diameter of at least about 3 mm such that it will cause dilation of the opening of the paranasal sinus, said balloon having an outer surface comprising a polymeric material and at least one position indicating element useable to determine when the balloon is positioned within the opening of the paranasal sinus so as to cause the desired dilation;d) using the rigid tool to perform a maneuver within the field of view of the endoscope; ande) using the at least one tubular device to perform a maneuver outside the field of view of the endoscope. 2. A method according to claim 1 wherein the rigid tool is used to cut or remove tissue. 3. A method according to claim 1 wherein the tubular device comprises a dilator apparatus and wherein Step e comprises using the tubular device to dilate an opening in a paranasal sinus. 4. A method according to claim 1 wherein the tubular device comprises a guidewire. 5. A method according to claim 1 wherein the rigid tool is a guide tool. 6. The method of claim 1, wherein the at least one position indicating element comprises at least one marker on the balloon catheter shaft that is directly or endoscopically visible to the operator. 7. The method of claim 1, wherein the balloon catheter has a distal end and wherein the at least one marker indicating the position of the distal end of the balloon catheter relative to the distal end of a tubular guide through which the balloon catheter device is inserted. 8. The method of claim 1, wherein the at least one marker comprises: a first marker indicating the position of the distal end of the balloon catheter relative to the distal end of the tubular guide; anda second marker indicating the position of the balloon relative to the distal end of the tubular guide device. 9. The method of claim 8, wherein the balloon has a proximal end and a distal end and wherein second marker indicates a) the position of the distal of the balloon relative to the distal end of the tubular guide device and b) the position of the proximal end of the balloon relative to the distal end of the tubular guide device. 10. The method of claim 8, wherein the second marker comprises a visible mark having a length that is substantially the same as the length of the balloon. 11. The method of claim 1, wherein the balloon is substantially formed of a material selected from the group consisting of: polyethylene teraphthelate, nylon and polyamide. 12. The method of claim 1, wherein the balloon is capable of withstanding pressures of more than 22 atmospheres without bursting. 13. The method of claim 1, wherein the balloon is capable of breaking bone located around the opening of the paranasal sinus. 14. The method of claim 1, wherein the at least one position indicating element comprises a radiographically visible component that is useable in conjunction with a radiographic imaging device to determine when the balloon is positioned within the opening of a paranasal sinus so as to cause dilation of said opening. 15. The method of claim 13, wherein the non-compliant balloon has a compliance ranging from 0.025 to 0.030 mm per atmosphere. 16. The method of claim 15, wherein the balloon is coated with a 0.002 inch thick polymethane coating.
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