
Is it safe to use heat on a knee with a metal prosthesis?
Yes, and this is the question we hear most often from post-surgical patients.
The graphene heat in the PostCare Pro is surface-level thermal heat. It warms the soft tissue surrounding your knee the skin, fascia, tendons, and the fibrin adhesion layer that causes the "tight band" sensation. It does not penetrate deep enough to reach your metal components.
Your cobalt-chromium or titanium implant sits inside the joint, insulated by layers of tissue. A graphene wrap is not reaching it. What it is reaching is the exact tissue that's holding back your bend.
If you have specific concerns about your implant, check with your surgeon. But surface heat applied to soft tissue around a prosthetic joint is standard practice in orthopedic recovery.
Don't Just Take Our Word for It...
How the Vozdic Postcare Pro Massager Works?
- Graphene Heat Therapy
Delivers deep, even warmth to the muscles, fascia, tendons, and scar tissue surrounding the knee. This helps improve circulation, reduce stiffness, and relax the “tight band” feeling many post-op patients experience. - Targeted Compression & Support
The wrap design keeps consistent contact around the knee to provide stability and gentle support during recovery. - Vibration Massage Technology
Helps loosen tight tissue, improve comfort, and reduce the sensation of stiffness after long periods of sitting, walking, or physical therapy.
Used daily for 15–20 minutes, the PostCare Pro is designed to help patients feel more comfortable, mobile, and confident during recovery.
25 Times More Affordable Than Traditional Therapy
Our Vozdic Massager skillfully merges, massage therapy, heat therapy, and targeted stretchinginto one user-friendly device you can enjoy at home.
Comparatively:
EMS Sessions typically cost $75–$150 each.
Massage Therapy ranges from $50–$120 per session.
Heat Therapy can add $75–$120 per session.
Real Results, Real People
We tracked 312 post-surgical knee patients TKR, PKR, and ACL reconstruction using the Vozdic PostCare Pro alongside their standard PT protocols across recovery programs in the United States. Flexion progress was documented at weeks 2, 4, and 8. The results:
EXCEPTIONAL PERFORMANCE
Rated 4.8/5 by 1000+ devoted
96%
of post-surgical users felt the tight band loosen from their very first session.
94%
gained measurable flexion improvement within 14 days of consistent use (15–20 min/day).
98%
of users who began before week 8 post-surgery hit their PT flexion targets before the recovery window closed.
Based on tracked recovery data from post-surgical patients using the Vozdic PostCare Pro alongside physical therapy. Individual results vary.
Trustpilot reviews
Excellent 4.8 / 5
Frequently Asked Questions
1. SHIPPING SPEED?
1. SHIPPING SPEED?
Processing time: 2-3 business days
- United States: 7-10 business days via standard shipping.
- Canada: 7-10 business days via standard shipping.
- United Kingdom: 7-10 business days via standard shipping.
- Australia: 7-10 business days via standard shipping.
- New Zealand: 7-10 business days via standard shipping.
- International: 7-10 business days via standard shipping.
Orders placed before 5 PM EST on business days are processed the same day; after this time, they will be processed the next business day.
2.Should I use Vozdic before or after PT?
2.Should I use Vozdic before or after PT?
Before PT produces the best results — and many users do both. Use Vozdic for 15–20 minutes before your session to soften the fibrin adhesions before stretching. Then apply it again immediately after PT to flush swelling before it triggers the overnight stiffness cycle. This before-and-after routine is what stops morning regression.
3. Why do my flexion gains keep disappearing overnight?
3. Why do my flexion gains keep disappearing overnight?
This is the most common frustration in post-surgical recovery — and it has a biological explanation. When you stretch cold, stiff tissue aggressively, your nervous system reads it as a threat and "splints" the joint overnight while you sleep. Vozdic breaks this cycle by warming the tissue before stretching and calming the nervous system's protective response after. Users consistently report their morning flexion stays much closer to their night-before numbers within the first week.
4. Is it safe to use heat on a knee with a metal prosthesis?
4. Is it safe to use heat on a knee with a metal prosthesis?
Yes — and this is the question we hear most often from post-surgical patients.
The graphene heat in the PostCare Pro is surface-level thermal heat. It warms the soft tissue surrounding your knee the skin, fascia, tendons, and the fibrin adhesion layer that causes the "tight band" sensation. It does not penetrate deep enough to reach your metal components.
Your cobalt-chromium or titanium implant sits inside the joint, insulated by layers of tissue. A graphene wrap is not reaching it. What it is reaching is the exact tissue that's holding back your bend.
If you have specific concerns about your implant, check with your surgeon. But surface heat applied to soft tissue around a prosthetic joint is standard practice in orthopedic recovery.
5. How quickly will I see results?
5. How quickly will I see results?
Most users notice a difference in overnight retention within the first 3–5 sessions — specifically, they lose fewer degrees between evening and morning. By week 2, gains typically start stacking instead of resetting. By weeks 4–8, measurable progress toward flexion goals accelerates. Consistency matters: users who apply Vozdic before every stretch session see faster progress than occasional users
6. What if it doesn't work for me?
6. What if it doesn't work for me?
Every order comes with a full 90-day guarantee. Use Vozdic through your entire active recovery phase — if your overnight retention doesn't improve and your flexion gains aren't sticking, email us at support@vozdic.com for a complete refund. No returns required. No questions asked. We offer this because the mechanism works — and we want you to have enough time to prove it to yourself.