CN2320277Y - Intercavitary coated application bearing reticular tube for cardie - Google Patents

Abstract

The utility model relates to an intercavitary coated application bearing reticular tube for a cardia. The utility model is composed of a cylindrical supporting net tube and a duck mouth-shaped one-way valve. The cylindrical supporting net tube which has spiral prismatic gridding and is woven by the memory alloy filament of the titanium and the nickel according to the track of a spiral wire is arranged on the upper end of the utility model, and a duck mouth-shaped one-way valve which is compressed by a silicon rubber is inlaid on the lower end of the utility model. After the supporting net tube is inserted in the cardia, the thoracic cavity, and stomach, the vomiting and back flow esophagus inflammation caused by that the food and the digestive fluid carry out reverse back flow and whisk into the esophagus are prevented. The sleeping gesture of sick people can be changed so that the sick people can obtain better rest. The service life can be extended to lifetime.

Description

Cardia multiple film coating bearing reticular tube in the lumen

This utility model relates to a kind of medical apparatus.Be about cardia multiple film coating bearing reticular tube in the lumen, insert patient's cardia place, reach the expansion lumen, prevent gastric food, the reverse a kind of medical apparatus that backflows of Digestive system by special-purpose inserter.

At present, for late stage cardia cancer can't perform the operation or carcinoma of gastric cardia excision after produce again narrow, adopt the present utility model people in " lumen in multiple film coating bearing reticular tube " (application number 962433942) of December 16 days to Patent Office of the People's Republic of China's application in 1996, insert patient's stenosis with the esophageal stents appear inserter, reach the effect of removing or delaying patient's illness.After finding to use above-mentioned bearing reticular tube in the patient is followed up a case by regular visits to, the cardia lumen is strutted, and gastric food, Digestive system be reverse backflowing easily, causes vomiting, causes reflux esophagitis.Backflow for preventing that food digestion liquid is reverse, the patient often can only lie on the sick bed that has the gradient, and the patient is very uncomfortable, can not get good rest.

This utility model purpose is at above-mentioned deficiency, the optimum of a kind of patient's of inserting cardia is provided, the cardia at malignant stricture place multiple film coating bearing reticular tube in the lumen, the duck-beak type check valve that utilizes its bearing reticular tube lower end to splice, rely on the action of gravity of food that duckbilled is strutted, food enters in the stomach smoothly, afterwards, the duckbilled auto-closing, more fortunately stop food, the vomiting that the reverse channelling of Digestive system causes to esophagus, and the steam vent by the duckbilled both sides, eliminate the pressure difference between gastric and esophagus, the gas that gastric is produced can constantly be discharged through esophagus by the duckbilled steam vent.Thereby overcome gastric food preferably, Digestive system is reverse backflows, and causes vomiting, and causes reflux esophagitis, reduce painful, the rest that the patient can be obtained.Coating has the auxiliary curative effect effect to the medicine that focus has curative effect on the multiple film basis of webmaster.

The purpose of this utility model is to realize like this, cardia is spliced by two ones with multiple film coating bearing reticular tube in the lumen and formed: a part is that the present utility model people was in " lumen in multiple film coating bearing reticular tube " (application number 962433942) of December 16 days to Patent Office of the People's Republic of China's application in 1996, press the left-hand screw line tracking successively by ti-ni shape memory alloy filament (1), the braiding of right-hand helix intersection of locus fork forms spiral prismatic grid (2), be shaped into the upper end and compile the garden columnar stays webmaster (3) of smooth closing in for band horn mouth knot under 25～40 ℃ of conditions, spiral prismatic grid (2) is gone up the composite silicon rubber thin film; Another one is the duck-beak type check valve of splicing and be pressed into silicon rubber film in the lower end of multiple film coating bearing reticular tube in lumen (4), for eliminating the pressure difference between gastric and esophagus, offer exhaust hole (5) in the duckbilled both sides, the gas that gastric is produced can constantly be discharged through esophagus through the esophagus steam vent by the duckbilled steam vent.Thereby overcome gastric food, reverse the backflowing of Digestive system preferably and cause vomiting, cause reflux esophagitis.Bearing reticular tube upper end band horn mouth knot is compiled smooth closing in and is embedded with a nylon filament circle (6).Cardia can be out of shape arbitrarily below 10 ℃ external with multiple film coating bearing reticular tube in the lumen, by at the body support frame inserter, relies on body temperature or other modes, makes its temperature remain on 35～45 ℃, can become the garden cylindricality tubulose that needs with doctor's wish in vivo.Also can be according to the treatment needs, the relevant medicine of coating plays the auxiliary treatment effect on multiple film basis.

Below in conjunction with accompanying drawing and example this utility model is elaborated.

Fig. 1 is documents " cardia multiple film coating bearing reticular tube in a lumen " structural principle sketch map.

Fig. 2, Fig. 3 are this utility model " multiple film coating bearing reticular tube in the lumen " structural representations.

As Fig. 2, shown in Figure 3, this utility model cardia is spliced by two parts with multiple film coating bearing reticular tube in the lumen and is formed, it is 0.1～0.4mm that a part adopts ti-ni shape memory alloy filament (1) silk footpath, along a garden post mold, press the braiding of left-hand screw line tracking, right-hand helix intersection of locus fork successively and spirality prismatic grid (2), under 25～40 ℃ of conditions, be shaped into the upper end and compile smooth closing in garden columnar stays webmaster (3) for band horn mouth knot.The garden column diameter is between 5～25mm; The narrow length of bearing reticular tube length opticoel pipe and deciding.Four summits on each prismatic grid on the bearing reticular tube are unfixing, can free four-way activity.The upper end band horn mouth knot of bearing reticular tube is compiled smooth closing in and is embedded with a nylon filament circle (6); Another part is to splice in the lower end of bearing reticular tube to be pressed into duckbill check valve (4) with silicone rubber, the lower end diameter of this duckbill check valve upper diameter and bearing reticular tube matches, be convenient to splice, the bottom is the duckbill of both-side opening, and offer steam vent (5) in both sides, film thickness is controlled at 0.1～1mm.

Behind esophagus fraction and cardia excision, residual stomach and esophagus remainder are sewed up the patient who forms the thoracic cavity stomach, adopt the esophageal stents appear inserter (patent No. ZL95239801X) of the present utility model people invention can conveniently insert in the narrow lumen of suture site of esophagus and residual stomach, under human body temperature, the bearing reticular tube expanded by heating, utilize its better elastic and Memorability, make the bearing reticular tube outer tube wall be supported on the focus stenosis, duckbill check valve stretches in the gastral cavity, and obtains promising result.For avoiding narrow tube chamber when injected organism tissue hypertrophy, from mesh, grow, cause new narrowly, go up the composite silicon rubber thin film at spiral prismatic grid (2), THICKNESS CONTROL is at 0.1～0.3mm, thereby avoids narrow tube chamber narrow once more.And can be according to the treatment needs, the relevant medicine of coating on multiple film basis plays auxiliary treatment or alleviates the disease effect.For prevention bearing reticular tube placement positioning is forbidden, rely on the supervision of gastroscope, inject frozen water or cold water from the hole alive of gastroscope, make the bearing reticular tube deliquescing, catch on nylon filament circle (6) with mouse tooth forceps or trielcon then, the bearing reticular tube upper end diameter is dwindled and convenient moving,, reduce patient's misery so that accurately insert predetermined position again.

The utility model compared with the prior art,, malignant stricture optimum for orifice of the stomach, the thoracic cavity stomach, can in case End because supporting network does not have check valve, cause food in the Stomach in Patients, reverse the backflowing of digestive juice and the vomiting that causes, return The generation of fluidity esophagitis; Change simultaneously in the past that patient can only lie in the sleeping position on the acclive sick bed, make Patient can obtain fine rest. Service life can be to throughout one's life.

Claims (2)

1, a kind of cardia of making by ti-ni shape memory alloy filament (1) multiple film coating bearing reticular tube in the lumen, weave the spiral prismatic grid (2) that forms by left-hand screw line tracking, right-hand helix intersection of locus fork successively, under 25～40 ℃ of conditions, be shaped into the upper end and compile smooth garden columnar stays webmaster (3) for band horn mouth knot, scroll grid (2) is gone up the composite silicon rubber thin film, it is characterized in that the duck-beak type check valve of splicing and be pressed into silicon rubber thin film in the bearing reticular tube lower end (4).

2, the cardia that can state according to claim 1 multiple film coating bearing reticular tube in the lumen is characterized in that the duckbilled both sides offer exhaust hole (5).

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