Heart stabilizer support arm
View Patent ↗A support arm for a heart stabilizer that can be used to stabilize a heart during a beating heart coronary artery bypass graft procedure. The support arm may have an arm that is coupled to a table mount and an end effector. The table mount is adapted to be mounted to the rail of a surgical table. The end effector is adapted to hold the heart stabilizer. The arm may be adjustable to allow an end user to adjust the position of the end effector.
1. A support arm assembly, comprising:
a table mount;
an arm coupled to said table mount;
an end effector coupled to said arm, said end effector having a stationary jaw member, a retractable jaw member biased to move toward the stationary jaw member; and
a heart stabilizer having a shaft, the shaft held between the retractable jaw member and the stationary jaw member without rotation of a threaded fastener.
2. The support arm of claim 1 , wherein said arm is adjustable and includes a locking knob which locks the arm in a fixed position.
3. The support arm of claim 1 , wherein said table mount includes a jaw and a table knob.
4. The support arm of claim 1 , wherein said arm includes a first linkage, a second linkage coupled to said first linkage, and a third linkage coupled to said second linkage and said end effector.
5. The support arm of claim 4 , wherein said first linkage is adapted to move relative to said table mount.
6. The support arm of claim 4 , wherein said second linkage can move relative to said first linkage, said third linkage can move relative to said second linkage and said end effector can move relative to said third linkage.
7. The support arm of claim 1 , wherein said end effector includes a channel that receives the shaft of the heart stabilizer.
8. The support arm of claim 1 , wherein said end effector includes a plate.
9. A support arm assembly, comprising:
a table mount adapted to be secured to the table;
a first linkage coupled to said table mount;
a second linkage pivotally coupled to said first linkage;
a third linkage pivotally coupled to said second linkage;
an end effector pivotally coupled to said third linkage, the end effector having a stationary jaw member, a retractable jaw member biased to move relative to the stationary jaw member; and
a heart stabilizer having a shaft, the shaft held between the retractable jaw member and the stationary jaw member without rotation of at fastener.
10. The support am of claim 9 , further comprising a locking knob that can be manipulated to lock said first, second and third linkage arms.
11. The support arm of claim 9 , wherein said table mount includes a jaw and a table knob.
12. A method for coupling a heart stabilizer to a table, comprising:
mounting a support arm to the table;
adjusting a position of an end effector of the support arm, the end effector having a retractable jaw member;
retracting the jaw member, the retraction creates a spring force;
inserting a heart stabilizer into the end effector; and
releasing the jaw member so that the spring force returns the jaw member and secures the end effector to the heart stabilizer.
13. The method of claim 12 , wherein a first person holds the heart stabilizer while a second person couples the heart stabilizer to the end effector.
14. The method of claim 12 , wherein adjusting the position of the end effector of the support arm, retracting the jaw member and releasing the jaw member is performed by one hand of a user while the inserting of the heart stabilizer into the end effector is performed by another hand of the user.
15. The method of claim 12 , further comprising locking the adjusted support arm into an operating position.
16. The method of claim 12 , further comprising positioning a patient on the table, positioning the heart stabilizer in relation to a heart of the patient prior to the inserting step, and maintaining the position of the heart stabilizer during the inserting step.
17. The method of claim 16 , wherein the adjusting step is performed aft positioning the heart stabilizer.
18. The method of claim 12 , wherein the end effector includes a stationary jaw member, the heart stabilizer includes a shaft and the inserting step comprises inserting the shaft between the retractable jaw member and the stationary jaw member.
19. The support arm of claim 7 , wherein the channel is sized to receive shafts having diameters in a range between 2 and 15 millimeters.
20. The support arm of claim 7 , wherein the channel is shaped to receive cylindrical shaped shafts.
21. The support arm of claim 7 , wherein the channel is shaped to receive square shaped shafts.
22. The support arm of claim 1 , wherein said biased retractable jaw member moves relative to the stationary jaw member by action of a spring.
23. The support arm of claim 9 , wherein said biased retractable jaw member moves relative to the stationary jaw member by action of a spring.