Surgery – Instruments – Sutureless closure
Reexamination Certificate
1999-11-05
2001-05-29
Lacyk, John P. (Department: 3736)
Surgery
Instruments
Sutureless closure
C128S897000
Reexamination Certificate
active
06238416
ABSTRACT:
BACKGROUND OF THE INVENTION
(1) Field of the Invention
This Invention relates to a transcatheter surgical patch placement for the correction for heart defects. This procedure will normally be applied to patients with heart defects.
(2) Description of the Related Art
Transcatheter heart defect repair is traditionally done by the use of double disk devices. A basic requirement for the use of the double disk devices is the presence of sufficient rim or healthy septal tissue around the defect; because of that the double disk devices are restricted to relatively small central defects. Furthermore, all devices utilize metal skeleton frame with various immediate serious wire related complications and unknown long term side effects for the human body.
The surgeons repair the heart defects utilizing patches of different materials which they suture onto the heart. Suturing is dangerous since it can traumatize the heart or the conduction system causing heart block. Furthermore, thoracotomy and open heart surgery is required for most cases.
SUMMARY OF THE INVENTION
(1) Progressive Contribution to the Art
It is believed Transcatheter patch placement without suturing has not been described before.
A method for sutureless Transcatheter patch placement for the correction of heart defects is described herein. The importance and the potential of such a method is great, since minimal septal rim is required and the majority of heart defects can be repaired without cutting surgery, surgical sutures, or permanent device implantation.
In addition to defect repair, Transcatheter patch placement can find several other applications including but not limited to heart valves, internal vascular work and even coronary artery surgery. Furthermore, surgeons could use the sutureless technique is to avoid suture related injury during surgery.
The Transcatheter Patch Delivery requires:
1. Special temporary support catheters
2. Specially tailored surgical patches from different materials.
(2) Objects of this Invention
An object of this invention is to safely repair heart defects.
Further objects are to achieve the above with devices that are sturdy, compact, durable, lightweight, simple, safe, efficient, versatile, ecologically compatible, energy conserving, and reliable, yet inexpensive and easy to manufacture, install, operate, and maintain.
Other objects are to achieve the above with a method that is rapid, versatile, ecologically compatible, energy conserving, efficient, and inexpensive.
The specific nature of the invention, as well as other objects, uses, and advantages thereof, will clearly appear from the following description and from the accompanying drawings, the different views of which are not necessarily scale drawings.
REFERENCES:
patent: 4917089 (1990-04-01), Sideris
patent: 5284488 (1994-02-01), Sideris
patent: 5433727 (1995-07-01), Sideris
patent: 5792179 (1998-08-01), Sideris
Coffee Wendell
Lacyk John P.
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