The overall ratings of 17 Health Care Equipment & Supplies stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Cooper Companies, Inc. (COO) drops from a C to a D rating. Cooper Companies, Inc. develops, manufactures, and markets healthcare products. For more information, get Portfolio Grader’s complete analysis of COO stock.

Analogic Corporation (ALOG) declines this week from a C to a D. Analogic Corporation is a technology company that designs and manufactures medical imaging and security systems and subsystems that are used primarily in the healthcare and airport security markets. The company also gets F’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of ALOG stock.

This is a rough week for LivaNova Plc (LIVN). The company’s rating falls to D from the previous week’s C. The company also gets F’s in operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of LIVN stock.

Abbott Laboratories (ABT) slips from a C to a D this week. Abbott Laboratories discovers, develops, manufactures, and sells health care products. For more information, get Portfolio Grader’s complete analysis of ABT stock.

This week, Haemonetics Corporation’s (HAE) rating worsens to a F from the company’s D rating a week ago. Haemonetics Corporation designs, manufactures, and markets automated blood processing systems. The company also gets F’s in operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of HAE stock.

Slipping from a D to a F rating, HeartWare International, Inc. (HTWR) takes a hit this week. HeartWare International, Inc. is developing a range of implantable mechanical circulatory assist devices or heart pumps, used for the treatment of congestive heart failure. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of HTWR stock.

Halyard Health Inc (HYH) earns a F this week, moving down from last week’s grade of D. The company also gets F’s in operating margin growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of HYH stock.

ZELTIQ Aesthetics, Inc. (ZLTQ) is having a tough week. The company’s rating falls from a C to a D. ZELTIQ Aesthetics, Inc. provides medical services. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of ZLTQ stock.

Entellus Medical, Inc. (ENTL) gets weaker ratings this week as last week’s C drops to a D. The company also gets F’s in earnings revisions and return on equity. For more information, get Portfolio Grader’s complete analysis of ENTL stock.

Mazor Robotics Ltd Sponsored ADR’s (MZOR) rating weakens this week, dropping to a D versus last week’s C. The company also gets F’s in sales growth, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of MZOR stock.

Syneron Medical Ltd (ELOS) experiences a ratings drop this week, going from last week’s D to a F. Syneron Medical Ltd designs, develops, and markets aesthetic medical products based on proprietary Electro-Optical Synergy technologies. The company also gets F’s in operating margin growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of ELOS stock.

Second Sight Medical Products, Inc. (EYES) gets weaker ratings this week as last week’s D drops to a F. The company also gets F’s in earnings revisions, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of EYES stock.

This week, CytoSorbents Corporation’s (CTSO) rating worsens to a D from the company’s C rating a week ago. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of CTSO stock.

Retractable Technologies, Inc.’s (RVP) rating weakens this week, dropping to a F versus last week’s D. Retractable Technologies, Inc. designs, develops, manufactures and markets safety syringes and other safety medical products for the healthcare profession. The company also gets F’s in sales growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of RVP stock.

This is a rough week for Bovie Medical Corporation (BVX). The company’s rating falls to D from the previous week’s C. Bovie Medical Corporation develops, manufactures, and markets medical products and devices with an emphasis on electrosurgical generators and electrosurgical disposables in the United States, Canada, and internationally. The company also gets F’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of BVX stock.

Milestone Scientific Inc. (MLSS) slips from a C to a D this week. The company also gets F’s in operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of MLSS stock.

Echo Therapeutics, Inc. (ECTE) is having a tough week. The company’s rating falls from a D to a F. Echo Therapeutics, Inc. operates as a transdermal medical device company in the United States. The company also gets F’s in sales growth and free cash flow. For more information, get Portfolio Grader’s complete analysis of ECTE stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.