screening test Essay

Commercialization Screen



Physcient, Inc.

Day: 10/29/10


Hugh Crenshaw | hugh. [email protected] com

Team Members: Ben Meehan, Alyssa Roessler, Darcy Jones, Tanzeem Haq Keywords:

Thoracic Retractor, Thoracotomy, Sternotomy, Rectractor, Finochietto



A retractor is a surgical instrument used to individual the sides of a medical incision, the underlying damaged tissues, and cuboid so that internal organs under the cut may be easily accessed by the surgeon. 1 Though there are numerous types of retractor in lots of shapes and sizes, 1 important type is retractors used to separate ribs or maybe the sternum intended for open breasts surgeries just like thoracotomy and sternotomy.

A thoracotomy is when a physician opens the medial side of the torso cavity and uses a retractor to pull and hold two ribs far enough aside to gain access to bodily organs such as the lungs. 2 A sternotomy, or median sternotomy, is each time a vertical incision is made in the heart of the breasts and the sternum itself is usually divided. After the sternum is usually cut, a retractor can be put in place to and hold the rib parrot cage apart to ensure that a cosmetic surgeon may access organs such as the heart or lungs. several Currently the leading retractor in both these classes is the Finochietto retractor. 4

Figure 1: Finochietto Retractor 5







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The Finochietto retractor replaced a rack-and-pinion type retractor first developed by Theodore Truffier in 1914. The inventor, Enrique Finochietto, increased the retractor by replacing the rack-and-pinion operation with fenestrated (i. e., " having window-like openings” 6) blades and a handle which isolates the hands of the retractor and keeps them in place. This standard method of operation has not been improved since Finochietto invented this in 1934. Model improvements have been minimal such as the Burford-Finochietto retractor which includes replaceable rotor blades. 7 Complications resulting from open-chest surgeries can be common and incredibly costly. Typical patients remain in the hospital intended for 5-7 days and nights. Additionally , people may knowledge broken ribs, crushed nerve fibres, muscle and tendon tears, heartbeat irregularities, re-admittance towards the ICU, incomplete or total lung collapse, pneumonia, expanded use of the ventilator (more than forty eight hours), twisted infection, build up of marcia in the upper body cavity, or blood clots in the chest. 8 In the usa, approximately six hundred, 000 open-chest surgeries happen to be performed annually. These types of procedures are performed typically about people over the age of 65, a group that is anticipated to grow fifty percent by 2030. Additionally , a growing number of people are identified as having medical complications such as overweight and diabetes, which will cause an increase in the potential for open-chest surgeries. 9

The biggest competition to open-chest surgeries is definitely the movement toward minimally intrusive procedures. Nevertheless , less than 10% of all upper body surgeries today are minimally invasive because of the large expense of time and money needed by the cosmetic surgeon and medical center to put into practice and become certified in these procedures. Additionally , you will discover little info to provide evidence that a minimally invasive method has attained more than a minor improvement in patient recovery or attention. 10

Advent Description

The Physcient Assuage Retractor utilizes a new blade design and automation for smooth, stable retraction. It includes built-in detectors and biomechanically informed methods which give early warning and automatic avoidance of fractures and tears. The Assuage Retractor is also formed very similarly to the retractors currently in use. That means that it is " drop-in replacement” to get current...


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