Pharyngeal wall treatment

• US 7,146,981 B2
• Filed: 02/04/2002
• Issued: 12/12/2006
• Est. Priority Date: 02/04/2002
• Status: Expired due to Term

• Current Assignee: Medtronic Xomed Incorporated (Medtronic Plc)
• Original Assignee: Restore Medical, Inc. (Medtronic Plc)
• Inventors: Knudson, Mark B., Conrad, Timothy R.
• Primary Examiner(s): HO, UYEN T
• Application Number:
  US10/066,967
• Publication Number:
  US 20030149445A1
• Time in Patent Office: 1,772 Days
• Field of Search: 606/196, 606/204.45, 128/898, 128/848
• US Class Current: 128/848
• CPC Class Codes: A61F 2/0077 Special surfaces of prostheses, e.g. for improving ingrowth A61F2/30767 takes precedence
• CPC Class Codes: A61F 2/20 Epiglottis; Larynxes; Tracheae combined with larynxes or for use therewith tracheae, bronchi per se A61F2/04 ; tracheostomy tubes A61M16/0465
• CPC Class Codes: A61F 5/56 Devices for preventing snoring by influencing the respiratory system by gas treatment A61M16/00
• CPC Class Codes: A61M 31/002 Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time artificial gland structures or devices A61F2/022; intra-uterine contraceptive devices A61F6/14; tampons for introducing into the vagina A61F13/20, A61L15/00; suppositories or bougies for intra-vaginal or intra-uterine application A61K9/02; physical forms of medicinal preparations for sustained or differential drug release A61K9/20, A61K9/50
• CPC Class Codes: A61M 37/00 Other apparatus for introducing media into the body for reproduction or fertilisation A61B17/425; apparatus for iontophoresis or cataphoresis A61N1/30; Percutany, i.e. introducing medicines into the body by diffusion through the skin salt baths A61H33/04

Abstract

A patient'"'"'s pharyngeal wall is treated by inserting an expander member into the airway and positioning an active portion of the expander member in opposition to portions of the pharyngeal wall to be treated. The expander member is activated to urge the wall portions outwardly to an outwardly displaced position. The expander member is then deactivated while leaving the wall portions in the outwardly placed position and the expander member is removed from said airway. A further aspect of the treatment includes stabilization of at least a portion of the pharyngeal wall after compression of portions of the wall.

Claims

1. A method for treating a pharyngeal airway having a pharyngeal wall of a patient at least partially surrounding and defining said airway, said method comprising:

inserting an expander member into said airway and positioning an active portion of said expander member in an interior of said airway and external to a tissue of said pharyngeal wall and in opposition to an airway-defining tissue of portions of said wall to be treated;

activating said expander member to urge against said airway-defining tissue of said portions to urge said portions to an outwardly displaced position;

deactivating said expander member while leaving said portions in said outwardly placed position;

removing said expander member from said airway; and

wherein said activating of said expander member creates an area of compressed tissue of said patient adjacent said portions and said method further comprising injecting a biocompatible tissue stabilizer into said compressed tissue while said portions are in said outwardly placed positions.

2. A method according to claim 1 wherein said tissue stabilizer is an adhesive and said removing of said expander member occurs after at least initial setting of said adhesive.

3. A method according to claim 1 wherein said tissue stabilizer is a fibrosis-inducing agent and said injecting includes injecting a said fibrosis-inducing agent into said compressed tissue to induce a fibrotic response from said compressed tissue.

4. A method according to claim 2 wherein said fibrosis-inducing agent is substantially non-biodegradable for said agent to induce a chronic fibrotic response.

5. A method according to claim 4 wherein said fibrosis-inducing agent is a bolus of particulate material.

6. A method for treating a pharyngeal airway having a pharyngeal wall of a patient at least partially surrounding and defining said airway, said method comprising:

inserting an expander member into said airway and positioning an active portion of said expander member in an interior of said airway and external to a tissue of said pharyngeal wall and in opposition to an airway-defining tissue of portions of said wall to be treated;

activating said expander member to urge against said airway-defining tissue of said portions to urge said portions to an outwardly displaced position;

deactivating said expander member while leaving said portions in said outwardly placed position;

removing said expander member from said airway; and

injecting a fibrosis-inducing agent into said compressed tissue to induce a fibrotic response from said compressed tissue.

7. A method according to claim 6 wherein said fibrosis-inducing agent is substantially non-biodegradable for said agent to induce a chronic fibrotic response.

8. A method according to claim 7 wherein said fibrosis-inducing agent is a bolus of particulate material.

9. An apparatus for treating a pharyngeal airway having a pharyngeal wall of a patient at least partially surrounding and defining said airway, said method comprising;

an expander member dimensioned so as to be inserted into said airway with an active portion of said expander member positioned in an interior of said airway and external to a tissue of said pharyngeal wall and in opposition to an airway-defining tissue of portions of said wall to be treated;

an activator for activating said expander member to urge against said airway-defining tissue of said portions to urge said portions an outwardly displaced position;

said expander member adapted to be deactivated while leaving said portions in said outwardly placed position;

said expander member further dimensioned so as to be removable from said airway; and

an injector for injecting a fibrosis-inducing agent into compressed tissue adjacent said portions while said portions are in said outwardly placed positions.

10. An apparatus according to claim 9 wherein said fibrosis-inducing agent is substantially non-biodegradable.

11. An apparatus according to claim 10 wherein said expander member carries a bolus of a particulate material as said fibrosis-inducing agent.

12. A method for treating a pharyngeal airway having a pharyngeal wall of a patient at least partially surrounding and defining said airway, said method comprising:

stabilizing at least a portion of said pharyngeal wall against underlying structure by securing said portion of said pharyngeal wall to said structure to resist inward collapse of said pharyngeal wall, where said portion extends transverse to an axis of the airway at least partially surrounding the airway; and

wherein said stabilization includes accessing said portion through said pharyngeal airway and mechanically securing said portion to said structure;

wherein said stabilization includes suturing said portion to said structure.

13. A method for treating a pharyngeal airway having a pharyngeal wall of a patient at least partially surrounding and defining said airway, said method comprising:

accessing at least a portion of a tissue of said pharyngeal wall through said pharyngeal airway, where said portion extends transverse to an axis of the airway at least partially surrounding the airway; and

compressing said portion to a compressed state;

stabilizing said portion of said tissue in said compressed state;

wherein said stabilization includes mechanically securing said portion to a structure underlying said wall; and

wherein said stabilization includes suturing said portion to a structure underlying said wall.