Enabling Devices for Beating Heart Intracardiac Surgery - 5 (Trans-Atrial Trocar)
Inventors: Pedro del Nido, Jeremy Cannon
Invention Types: Medical Device
Research Areas: Cardiovascular/Cardiology
Related Cases: 1462For More Information Contact: Miracco, Amy
To enable the adoption of beating heart surgery for any type of heart procedure, including intracardiac interventions, unique instruments and techniques need to be developed. Childrenâ€™s Hospital Boston introduces a set of novel technologies that are enabling for beating heart surgery. One technology is a trans-cardiac port. The disposable port contains an entry point for surgical instruments as well as an optical viewer for up-close imaging of the intracardiac structures. The advantages of this port are (i) a safety mechanism for removing air within the port, thereby preventing air from entering the patientâ€™s blood stream, (ii) a sealing device within the insertion end of the port to maintain both a fluid and airtight environment, thereby preventing fluid and foreign bodies from entering the body and blood, and other particles from entering the port, and (iii) optical viewing capability. Comprehensive proof of concept porcine studies have demonstrated efficacy using a clinical grade prototype of the instrument. This device is applicable to heart procedures for both adult and pediatric patients.
The port permits the safe introduction of surgical instruments and intracardiac devices into the cardiac chambers of a beating heart without the risk of significant blood loss or air emboli. While catheter-based techniques are currently in use, specific interventions require surgical repair and cannot be done as a catheter-based procedure. The introduction of beating heart surgery would complement the recent interest in and adoption of minimally invasive procedures in cardiac surgery. Minimally invasive (i.e., minimal incision) procedures offer improvements in patient outcome and recovery time; beating heart surgery eliminates the risks associated with cardiopulmonary bypass. The combination of these two approaches would enhance the cardiac surgeon's ability to correct life threatening conditions with less discomfort and risk to the patient. In addition, the less invasiveness of the port, which only requires a two centimeter incision, would allow it to be convenient for diagnostic or post-operative viewing of the heart, such as for post-cardiopulmonary bypass intracardiac inspection in complicated cases.
The patient benefits of beating heart intracardiac surgery are clear: decreased risk of ischemic damage to the heart muscle and of causing stroke, less pain and trauma, reduced morbidity and mortality and shorter hospital stay and subsequent recovery time. The recent widespread adoption of real-time 3D echocardiography in the operating room facilitates the use of the port for the introduction of instruments by informing instrument and device navigation and deployment. The port requires no additional infrastructure beyond what is in the operating room already and is cost-comparable to currently used devices.
Key Publications: WO 2005/051175 A2
WO 2007/081800 A2
IPStatus: Pat. Pend.