业务依赖什么

1. 1A large part of the business depends on hospitals adopting catheter-delivered aortic valve replacement and on clinicians choosing Edwards devices.
2. 2Sales depend in part on government and private insurers covering procedures and paying hospitals enough to support their use.
3. 3Some materials and components come from single-source suppliers; switching critical suppliers can require lengthy regulatory review.
4. 4The company relies on clinical studies and regulatory clearances or approvals to bring devices to market and expand their permitted uses.