Laparoscopic intestinal fixation net bag

Abstract

The utility model relates to medical instrument technical field, concretely relates to a kind of laparoscope intestinal fixation net bag, including net bag main body, net bag main body includes the elastic net of being equipped with diamond hole, every line of the elastic net is woven thread, woven thread is embedded with shape memory alloy wire, and two ends of two suture threads are connected with fixed hook, the edge of elastic net is provided with edge line;The utility model is combined by shape memory alloy wire and elastic net, so that the net bag main body can stretch and contract with the peristalsis of intestine, avoid the ischemia or serous membrane injury caused by traditional rigid compression, reduce the injury rate of intestine, by pulling two suture threads, so that the net bag lifts intestine, exposes surgical field, and the exposure efficiency of operation field is improved.

Claims

1. A laparoscopic intestinal fixation net, comprising a net body, characterized in that, The main body of the net bag includes an elastic net with diamond-shaped holes. Each thread that makes up the elastic net is a braided thread. The braided thread is embedded with a shape memory alloy wire. The four corners of the elastic net have sewing threads extending out. The ends of two of the sewing threads are connected to a fixing hook. The edge of the elastic net is provided with an edge line.

2. The laparoscopic intestinal fixation net according to claim 1, characterized in that, The braided yarn is polylactic acid yarn or polycaprolactone yarn.

3. The laparoscopic intestinal fixation net according to claim 1, characterized in that, The two seams connecting the fixing hook are arranged adjacent to each other.

4. The laparoscopic intestinal fixation net according to claim 1, characterized in that, Both sides of the elastic mesh are provided with a composite antibacterial layer.

5. The laparoscopic intestinal fixation net according to claim 4, characterized in that, The composite antibacterial layer is a chitosan / polyethylene glycol composite antibacterial layer.

6. The laparoscopic intestinal fixation net according to claim 1, characterized in that, The shape memory alloy wire is a nickel-titanium alloy.

7. The laparoscopic intestinal fixation net according to claim 1, characterized in that, An external locking buckle is provided on one side of the main body of the net bag. The external locking buckle includes a base, a rotating shaft is rotatably connected to the base, a slot is provided on the rotating shaft, and a buckle that cooperates with the slot is rotatably connected to the slot. The buckle and the slot cooperate to fix and pull the seam. A knob connected to the base is driven by the rotating shaft.

8. A laparoscopic intestinal fixation net according to claim 7, characterized in that, The buckle is rotatably connected to the slot via a rotating shaft. A torsion spring is sleeved on the rotating shaft, and the two ends of the torsion spring are respectively connected to the buckle and the slot.

9. A laparoscopic intestinal fixation net according to claim 7, characterized in that, The knob is connected to a worm gear, and a worm wheel connected to the rotating shaft is engaged on one side of the worm gear.

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