Once-used negtive-pressure gastrointestinal decompression tube
This utility model belongs to medical apparatus and instruments, is new disposable gastrointestinal decompression tube commonly used in the clinical position.Along with the appearance of the development of medical science and various advanced persons' medical apparatus and instruments and perfect, be very easy to clinical treatment and nursery work, but, still have many problems to need further to solve now in the clinical position, as gastrointestinal decompression tube commonly used, existing gastrointestinal decompression tube is a simple tubular structure, itself does not possess the vacuum suction function, need and the supporting application of negative pressure suction device during clinical practice, perhaps utilize syringe pump, promptly inconvenient in the work, unhygienic again, and be mostly reusable, the gastrointestinal decompression tube by medical grade rubber is made easily causes cross infection in the hospital.
This utility model provides a kind of dependable performance at the problems referred to above, convenient and practical disposable use, and functions such as the vacuum suction of collection gastrointestinal tract, flushing and injection are the gastrointestinal decompression tube of one.
Effect of the present utility model is finished as follows, and this gastrointestinal decompression tube is formed by the loose joint with one-way cock function is interconnection by far and near two sections relief pipes and the air bag with vacuum suction function.Proximal section gastrointestinal decompression tube (claiming the body inner segment again) front end tube wall have side opening several, it is unobstructed to be convenient to drain, proximal end has a side pipe to link to each other therewith, the end openings place of side pipe seal by a plastic plug, be equipped with in gastral cavity wash, the usefulness during injection.The proximal section relief pipe is connected with an end of air bag by the loose joint with one-way cock effect, and the flap valve shape structure that one-way cock is made for the medical grade rubber sheet also is embedded at loose joint inside, makes loose joint have the function of one-way cock.Air bag also is the cystic structures that is made of plastics, and continues into tubulose to far and near two ends, and the inside of air bag is supported by elastic wire, keeps certain tension force of air bag, and the other end of air bag is connected with distal section relief pipe (claiming external section again) by loose joint again.Wherein the open direction of the check valve sheet of two loose joint inside is all towards the distal end portion of relief pipe.When clinical practice, this relief pipe proximal section front portion is sent in the gastral cavity through patient's nasopharynx and esophagus, the intermediary air bag of extruding gastrointestinal decompression tube, the intrinsic pressure increase of air bag, under the pressure effect within it, the check valve sheet of air bag distal end portion loose joint inside is open, the check valve sheet of proximal end loose joint inside is then closed, gas in the air bag enters under pressure in the gastrointestinal decompression tube distal section and is discharged from, after stopping extruding gasbag, under the elastic wire effect of air bag inside, air bag expansion automatically resets, its inner negative pressure that forms, under suction function, the check valve sheet of air bag proximal end loose joint inside is open, and the check valve sheet of distal end portion loose joint inside is then closed, and gastrointestinal gas or liquid are attracted and flow in the air bag.Gas, liquid etc. then are attracted out continually in the extruding gasbag so repeatedly, gastrointestinal tract, have reached the order ground of gastrointestinal tract decompression.As needs flushings gastral cavity or when needing in gastral cavity injection, then the plastic plug of the side pipe opening part of relief pipe proximal section end can be taken off, from here flushing liquor or medicinal liquid are injected in the relief pipe proximal section, and flow in the gastral cavity, played the function of flushing gastral cavity and treatment injection.Because of this relief pipe has the vacuum suction function, so need not and the supporting application of negative pressure suction device.Be the desirable regeneration product of the various gastrointestinal decompression tubes of present clinical practice, be to the exploitation of disposable medical instrument and replenish.It is simple in structure, easy to use, practical.Be very easy to the relevant medical treatment and the nursery work of vast medical institutions.
Below in conjunction with Figure of description this utility model is done and to be described in further detail.
Fig. 1 is this utility model overall structure sketch map.
Shown in figure: this utility model by gastrointestinal decompression tube proximal section (1), distal section (8), air bag (5) by two loose joints (4) interconnection composition.Relief pipe proximal section (1) front end have side opening (2) several, proximal end has side pipe (3) to link to each other, side pipe (3) end openings place is by coupled plastic plug sealing.Side opening (2) rises and to prevent that the relief pipe front end from blocking, and makes the unobstructed effect of negative pressure drainage, the usefulness when side pipe (3) is equipped with in gastral cavity flushing, injection.Loose joint (4) inside is equipped with the flap valve shape structure that check valve sheet (7) check valve sheet (7) is made for the medical grade rubber sheet, play unidirectional opening, (4) inner passage of closing loose joint, the open direction unanimity of check valve sheet (7) that two loose joints (4) are inner is all towards the relief pipe far-end.Air bag (5) is a cystic structures, and the rear and front end continues into tubulose, is convenient to be connected with far and near two sections relief pipes, and the inner flexible steel wire of air bag (5) (6) supports, and keeps certain tension force of air bag (5).Distal section relief pipe (8) is an internal diameter simple tubular structure consistent with proximal section relief pipe internal diameter.As shown in the figure: relief pipe proximal section (1) is connected with air bag (5) by loose joint (4), and air bag (5) is connected with relief pipe distal section (8) by another loose joint (4) again, forms a complete negative-pressure type gastrointestinal decompression tube jointly.When clinical practice, extruding gasbag (5), the intrinsic pressure increase of air bag (5), under the pressure effect within it, the inner check valve sheet (7) of far-end loose joint (4) is opened, the inner check valve sheet (7) of near-end loose joint (4) is then closed, the interior gas of air bag (5) etc. is pressed in the distal section relief pipe and gets rid of, stop extruding gasbag (5), the inner elastic wire (6) of air bag (5) is complied with its elastic reset, support air bag (5) is multiple opens, the inner negative pressure that forms of air bag (5), under suction function, the inner check valve sheet (7) of air bag (5) near-end loose joint (4) is opened, the inner check valve sheet (7) of far-end loose joint (4) is then closed, gas in the gastrointestinal tract, liquid is attracted under suction function, in inflow air bags (5) such as proximal section relief pipe (1), so, extruding gasbag (5) repeatedly, gas in the gastrointestinal tract, liquid etc. are attracted out continuously, thereby make this pipe play the effect of gastrointestinal decompression, therefore this utility model just becomes collection gastrointestinal tract negative pressure drainage, the gastral cavity flushing, functions such as injection are the disposable gastrointestinal relief pipe of one, and can be according to the clinical position needs, make the relief pipe bore and the disposable gastrointestinal relief pipe supply time spent of all size that is uneven in length is selected.
