MIC-KEY Low-Profile Gastric-Jejunal Feeding Tube Kit is a single-unit feeding and drainage device. It enters the stomach via a gastric stoma. A low-profile external support and an inflated balloon hold the tube in position (inside the stoma tract). The exterior bolster has two ports: one labeled "JEJUNAL" and one labeled "GASTRIC". Each port contains a one-way valve, which is opened by adding the required MIC-KEY Extension Set. MIC-KEY Extension Sets connect to the feeding and drain ports. The JEJUNAL port allows for feeding into the small intestine. The GASTRIC port is used to empty the stomach using modest intermittent suction or gravity drainage. To inflate and deflate the balloon, utilize a third port designated "BAL".
Features
- Tapered distal tip.
- Low-profile design.
- Gastric decompression port.
- Silicone internal retention balloon.
- Radiopaque weighted jejunal part.
- Multiple gastric and jejunal exit ports.
- Lock-and-key extension sets a connection
- MIC-KEY Gastric-Jejunal Feeding Tube Kit (Non-ENFit) with Extension Sets is intended for children and adult patients who require both jejunal feeding and gastric decompression.
MIC-KEY Low-Profile Gastric-Jejunal Feeding Tube Kit Includes:
- (4) 4 Gauze Pads
- (1) Introducer Cannula
- (1) 6 mL Luer Slip Syringe
- (1) 35 mL Catheter Tip Syringe
- (1) Low-Profile Gastric-Jejunal Feeding Tube
- (1) SECUR-LOK Straight Connector and Clamp
- (1) MIC-KEY Bolus Feed Extension Set with Cath Tip
- (1) MIC-KEY Continuous Feed Extension Set with SECUR-LOK Right Angle Connector and 2 Port Y and Clamp
Indications For Use
Avanos MIC-KEY Gastric-Jejunal Feeding Tube is recommended for patients with poor stomach absorption, intestinal motility issues, gastric outlet obstruction, severe gastroesophageal reflux, aspiration risk, or prior esophagectomy or gastrectomy.
Contraindications
Include, but are not limited to:
- Ascites
- Colonic interposition
- Portal hypertension
- Peritonitis
- Morbid obesity
Balloon Maintenance
- Check balloon water volume weekly.
- Use a Luer slip syringe to withdraw all fluid → compare to prescribed volume.
- If low: refill with withdrawn water + add amount needed to reach prescribed volume.
- Wait 10–20 min and repeat the check. If volume is lost again, → balloon is leaking → tube must be replaced.
- If the balloon ruptures or the tube dislodges, secure the tube with tape and contact a physician immediately.
- Document: date, time, volume withdrawn, volume replaced.
Important Balloon Notes
- ONLY use sterile or distilled water (never air or saline).
- Saline can crystallize and clog the valve; air leaks out.
- Use the exact prescribed volume:
- Over-inflation → may block lumen or shorten balloon life
- Under-inflation → poor tube fixation
Balloon Longevity
Silicone balloons typically last 1–8 months. Lifespan varies depending on medications, water volume, gastric pH, and tube care. The exact duration cannot be predicted.
Warning
Single-use device. DO NOT reuse, reprocess, or resterilize. Doing so may:
- Alter biocompatibility
- Compromise structural integrity
- Cause device failure
- Risk contamination and transmission of infection → patient injury, illness, or death
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