Hydrocollator_SRS.pptx
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1. A hydro-collator pack is a fabric envelope containing silica gel or bentonite crystal packs that are heated in a hydro-collator unit between 70-80°C and provide moist heat for 30-40 minutes. 2. The packs come in various sizes and shapes and are wrapped in towels or blankets before being applied to patients to provide insulation and prevent skin burns. 3. Hydro-collator packs are easy to apply and provide uniform moist heat therapy, but risks include skin burns or rashes if not properly applied or monitored.
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Hydrocollator_SRS.pptx
- 1. Sreeraj S R Dr Sreeraj S R, Ph.D.
- 2. Sreeraj S R Hot Packs are a way of transferring heat to the patient by conduction. Commercial hot packs is one of the most common ways to deliver superficial moist heat. The heating unit is called a HYDROCOLLATOR UNIT
- 3. Sreeraj S R The hydro-collator unit is a stainless-steel tank in which silica gel packs or BENTONITE crystal packs are heated. The capacities of the machines vary, and all units have insulated bases, the larger machines being insulated with fiberglass. The units contain a wire rack which acts as divider for the packs and prevents contact of packs with the bottom of the tank.
- 4. Sreeraj S R These packs are stored in thermostatically controlled water tanks Water in the unit maintained at a temperature between 70°C and 80°C. It can be left on continuously if there is enough water in the tank. A hydrocollator pack is good in any situation that requires penetrating heat.
- 5. Sreeraj S R
- 6. Sreeraj S R A hydro collator pack is a fabric envelope containing silica gel or BENTONITE crystal packs . Bentonite is an absorbent swelling clay consisting mostly of montmorillonite. As a swelling clay, bentonite can absorb large quantities of water, which increases its volume by up to a factor of eight. The main property of the gel or crystal is its capability to absorb many times its own volume of water, provides a considerable store of heat energy.
- 7. Sreeraj S R These packs are heated in a hydro-collator unit at a temperature of above 75˚C It give moist heat for 30 to 40 minutes Packs come in various sizes and shapes
- 8. Sreeraj S R
- 9. Sreeraj S R The packs are wrapped in: Turkish towels – 6- 8 layers of toweling Special / commercial terry cloth blankets Large packs may be wrapped in bath blankets . The packs last about six months. When they begin to wear out the filler leaks out and makes the water cloudy; they should then be replaced.
- 10. Sreeraj S R The pack is applied to the body after being wrapped in 6- 8 layers of toweling or blankets. This provides THERMAL INSULATION The skin temperature should not rise above 42˚C or so.
- 11. Sreeraj S R 1. A hydro-collator pack is easy to apply 2. The packs are of various sizes which fit most clinical needs. 3. Moist heat has a more sedative effect than dry heat. 4. low cost, minimal maintenance, long life 5. Maximal temperatures are more uniform than in electrically-heated pads. 6. The patient does not need much handling. 7. The pads can be laid out ready for the patient to place on the affected part.
- 12. Sreeraj S R 1. A hydro-collator pack is not easily applied around shoulders and hips. 2. It is somewhat heavy and should not be used on extremely sensitive patients, since it can create discomfort. 3. Sometimes moist packs tend to cause a skin rash.
- 13. Sreeraj S R BURNS may occur due to; Insufficient toweling The temperature of the pack could be too high Impaired circulation DEHYDRATION – Excessive sweating may produce dehydration
- 14. Sreeraj S R Remove the pack from the unit & place it on the towel. Fold another towel into 4 – 6 layers & place it over the pack. Wrap the whole pack up with the bottom towel. The temperature of the wrapped pack should not exceed the 44˚C
- 15. Sreeraj S R Monitor the initial response from the patient to treatment during the first 5 to 10 min Ask the patient for feedback & by visually inspecting the skin. If necessary, adjust the layers of toweling. During the treatment maintain the position of hot pack Ensure that it does not exacerbate pain, Produce discomfort or occlude circulation.
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- 18. Sreeraj S R The water level should be always kept up to 3/4th full of water or slightly over the top of the packs The unit should be cleaned periodically
- 19. Sreeraj S R Hemodynamic effect Neuromuscular effect Metabolic effect Tissue extensibility
- 20. Sreeraj S R ↑ Temperature Inflammation ↑ Vasodilator (Histamine & Prostaglandin) release Vasodilatiation Cutaneous thermoreceptors Spinal cord dorsal root ganglion Smooth muscle relaxation
- 21. Sreeraj S R Neuromuscular effect Increased NCV Increased pain threshold Changes in muscle strength Metabolic effect Increased metabolic rate Tissue extensibility Increased tissue extensibility
- 22. Sreeraj S R 1. Pain 2. Muscle spasm 3. Edema. 4. Adhesions.
- 23. Sreeraj S R 1. Impaired Skin Sensation 2. Circulatory dysfunction 3. Analgesic drugs 4. Infections local and general (Tuberculosis) 5. Open wounds 6. Cancer 7. Gross Oedema 8. Lack of Comprehension 9. Deep X-Ray Therapy 10. Liniments like Menthol and local anesthetics
- 24. Sreeraj S R