CN114870251A - Electrophysiological nose and intestine catheter - Google Patents

Abstract

The invention discloses an electrophysiological nose and intestine catheter which comprises a hose and a hose body arranged at the front end of the hose, wherein the rear end of the hose is connected with a wire guide seat, a guide wire for placing the hose is arranged in the hose, a camera is arranged at a position, corresponding to a port, of the hose body, a plurality of electrode plates are uniformly embedded in the outer side wall of the hose body, a lead is embedded in the inner side wall of the hose and used for connecting electrode plates of a positive electrode and a negative electrode, and the lead extends to the wire guide seat along the hose and is used for connecting an electrical stimulation device. The device has the functions of multi-channel intestinal electrophysiological monitoring, intestinal peristaltic wave monitoring, intestinal electrical stimulation signal generation, intra-gastric decompression and intestinal nutrition infusion. Breaks through the limitation of millisecond pulse of the existing gastrointestinal stimulator, improves the measurement accuracy of intestinal electrophysiology and intestinal peristalsis, and provides convenience for detecting or researching the function of gastrointestinal bioelectricity in disease treatment and the effect of bioelectricity stimulation.

Description

Electrophysiological nose and intestine catheter

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an electrophysiological nasal and intestinal catheter.

Background

In the existing clinical diagnosis and treatment means, the incidence rate of the functional gastrointestinal diseases accounts for more than 20 percent of the diseases of the digestive system, the influence of intestinal tract electrophysiology on the functional gastrointestinal diseases is particularly prominent, and clinical medicine urgently needs to effectively monitor the intestinal tract electrophysiology change to provide guidance for subsequent treatment. The phenomenon of intestinal paralysis is common gastrointestinal diseases, and most of the intestinal paralysis in the existing market is stimulated by an abdominal electrode plate to promote intestinal peristalsis. However, the electrode plate is attached to the abdomen, so that the electric stimulation hardly acts on the intestinal tract directly, and the action effect is not obvious.

According to the existing electromagnetic navigation technology, intestinal tract electrical stimulation can be carried out in a form of an in-vivo catheter, the paralytic benefit of the intestinal tract is prevented, the electromagnetic navigation technology comprises a display device, a magnetic field device and an electromagnetic induction device, an electromagnetic induction coil is installed at the front end of a nasal feeding catheter through in-vitro electromagnetic induction, then a human body lies flat, the magnetic field device is placed beside the human body and used for inducing an electromagnetic coil, the display device is used for displaying the position of the electromagnetic induction coil, the nasal feeding catheter is supported through a lead, the catheter is placed through a nasal cavity and penetrates through an esophagus and a stomach to reach the intestinal tract, and the display device is used for displaying the position of the end of the nasal feeding catheter, so that the catheter can be accurately placed, and the problems that the traditional X-ray catheter is placed and the human body is exposed under X-ray for a long time and has long action time are solved.

The tube is placed through an external electromagnetic induction positioning technology, a positioning induction coil arranged at the front end of the catheter is accurately positioned, an electrode plate is arranged at the front end of the catheter, intestinal stimulation is directly carried out through transmission of electric signals, and the problem of intestinal paralysis is effectively solved.

According to the existing research, the best electric stimulation position for preventing the intestinal paralysis is the position of the duodenal papilla, an electrophysiological catheter needs to penetrate through the cardia and the pylorus to reach a specified stimulation site, and the electrophysiological catheter needs to electrically stimulate the intestinal tract and simultaneously needs to feed and administer medicines to the intestinal tract, so that multiple functions are met. Therefore, the invention mainly aims at the phenomenon of intestinal paralysis, no device for restoring in vivo stimulation exists in the prior art, and the problem of unobvious intestinal tract electric stimulation effect is solved due to the isolation of the abdomen of the in vitro electric stimulation.

Disclosure of Invention

The invention aims to provide an electrophysiological nose and intestine catheter, which mainly aims at the phenomenon of intestinal paralysis, and solves the problem of unobvious intestinal tract electrical stimulation effect due to the isolation of the abdomen in vitro electrical stimulation without a device for recovering in vivo stimulation.

In order to solve the technical problems, the invention is realized by the following technical scheme:

an electrophysiology nasointestinal catheter comprises a hose and a hose body arranged at the front end of the hose, wherein the rear end of the hose is connected with a wire guide seat, a guide wire for placing the catheter is arranged in the hose, a camera is arranged at a position, corresponding to a port, of the hose body, the head of the camera is detachably arranged at the port of the hose body, an electromagnetic induction wire group is fixed at the tail of the camera, and the electromagnetic induction wire group is fixed at the tail end of the guide wire;

the outer side wall of the tube body is uniformly embedded with a plurality of electrode plates, the electrode plates are uniformly arranged around the outer side wall of the tube body, a positive electrode and a negative electrode are arranged between the adjacent electrode plates, a lead is embedded into the inner side wall of the hose and used for connecting the electrode plates of the positive electrode and the negative electrode, and the lead extends to the wire guide seat along the hose and is used for connecting the electrical stimulation device.

Furthermore, a circle of magnetic ring is fixed at the port of the tube body, the head of the camera is provided with a magnetic head which can be magnetically adsorbed by the magnetic ring, the magnetic ring and the magnetic head are both annular, the inner buckle of the magnetic ring is arranged at the position of the port of the tube body, and the magnetic head surrounds the head of the camera.

Furthermore, a flushing pipe is arranged on the inner side wall of the hose, the flushing pipe is arranged close to the inner wall of the hose, a flushing hole communicated with the flushing pipe is formed in the hose body, one end of the flushing hole is formed in the end opening side of the hose body, the other end of the flushing hole is communicated with the flushing pipe, and a flushing branch pipe used for flushing water is arranged at the tail end of the flushing pipe corresponding to the position of the wire guide seat.

Further, a plurality of air cavities have evenly been seted up to the body lateral wall, and the air cavity has all covered the cover plate, the arcuation that the cover plate is the same with the body lateral wall, the electrode slice imbeds on single cover plate with positive negative very a set of, is connected with first gasbag between cover plate inner arc side and the air cavity lateral wall, offers the annular chamber of each air cavity of intercommunication in the body, and the intercommunication has the gas tube between annular chamber and the guide wire seat, and the guide wire seat is provided with the gas tube who connects the gas tube, and the gas tube pastes and leans on in the hose inside wall.

Further, the opening side of the air cavity is provided with a mounting groove for accommodating the side of the cover plate.

Further, the first bladder sidewall is corrugated.

Furthermore, a coil is sleeved in the annular cavity and connected with a lead, and each electrode plate is connected to the coil.

Furthermore, the hose has the second gasbag apart from the position of body certain distance, has cup jointed the gum cover between second gasbag and the hose, and the second gasbag is a plurality of, encircles hose align to grid, and the second gasbag all communicates in the gum cover, forms the intermediate layer between gum cover and the hose lateral wall, and the hose corresponds the intermediate layer and offers the perforation of intercommunication gas tube.

Furthermore, the hose is provided with a pressure reducing hole corresponding to the position of the stomach, the inner wall of the hose is provided with a pressure reducing channel communicated with the pressure reducing hole, and the pressure reducing channel is provided with a pressure reducing branch pipe corresponding to the guide wire seat.

The invention has the following beneficial effects: the invention discloses an electrophysiological nasointestinal catheter which has the functions of multi-channel intestinal electrophysiological monitoring, intestinal peristaltic wave monitoring, intestinal electrostimulation signal generation, intragastric decompression and intestinal nutrition infusion. Breaks through the limitation of millisecond pulse of the existing gastrointestinal stimulator, improves the measurement accuracy of intestinal electrophysiology and intestinal peristalsis, and provides convenience for detecting or researching the function of gastrointestinal bioelectricity in disease treatment and the effect of bioelectricity stimulation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1: the invention discloses a structure drawing for disassembling a pipe body.

FIG. 2 is a schematic diagram: the invention relates to a pipe body assembly structure chart.

FIG. 3: the first air bag of the tube body of the invention is developed and constructed.

FIG. 4: the invention relates to a second airbag unfolding structure diagram of a pipe body.

FIG. 5: the invention has a schematic structure.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a pipe body 1, a hose 2, a wire guide seat 6, a guide wire 3, a camera 32, an electromagnetic induction wire group 31, an electrode plate 4, a lead 5, a magnetic ring 11, a magnetic head 33, a flushing pipe 21, a flushing hole 15, the wire guide seat 6, a flushing branch pipe 61, an air cavity 12, a cover plate 41, a first air bag 42, an annular cavity 13, an inflation pipe 22, an inflation branch pipe 62, an installation groove 14, a coil 51, a second air bag 7, a rubber sleeve 71, a pressure reduction hole 23, a pressure reduction channel 24 and a pressure reduction branch pipe 63.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-5: an electrophysiology nose intestine catheter comprises a hose 2 and a hose body 1 arranged at the front end of the hose, wherein the hose body has a function similar to that of a column cap, the hose body is made of hard plastic and is used for guiding and placing a hose, the rear end of the hose 2 is connected with a yarn guide seat 6, a yarn guide 3 used for placing the hose is arranged in the hose 2, a camera 32 is arranged at a position, corresponding to a port, of the hose body 1, the head of the camera 32 is detachably arranged at the port of the hose body 1, an electromagnetic induction wire group 31 is fixed at the tail part of the camera 32, and the electromagnetic induction wire group 31 is fixed at the tail end of the yarn guide 3; still have the magnetic field device outward, be used for induction electric magnetic induction group, position through display demonstration electromagnetic induction group, when putting the pipe, the effect of electromagnetic navigation technique cooperation camera, camera demountable installation is in the body, support the body through the seal wire, insert the body by human nasal cavity, the guide hose passes through the esophagus, the stomach chamber and finally reach the intestinal, rely on electromagnetic navigation alone, only can roughly show the position that the body reachd at the human body, but carry out intestinal electrophysiology and detect then need fix a position more accurately, so the cooperation camera carries out external observation, thereby can realize reacing appointed electrical stimulation position.

After the completion was put the pipe, take seal wire and camera out, the inside cavity of body can be used for the intestinal to feed and dose, and seal wire and camera subassembly can carry out the pipe of putting next time simultaneously, and used repeatedly remains the subassembly of high value, has practiced thrift the cost greatly.

The utility model discloses a flexible pipe 2, including body 1, electrode slice 4, hose 2, wire 5, wire guide seat 6 and be used for connecting the electrical stimulation device, the even embedding of lateral wall of body 1 has a plurality of electrode slices 4, and electrode slice 4 encircles 1 lateral wall align to grid of body, is positive negative pole between the adjacent electrode slice 4, and the inside wall embedding of hose 2 has wire 5, wire 5 is used for connecting positive negative pole's electrode slice 4, and wire 5 extends to wire guide seat 6 and is used for connecting the electrical stimulation device along the hose. According to the invention, the electrode plates with electric stimulation are arranged on the side wall of the tube body, when the tube body reaches a specified electric stimulation site, the electric stimulation is carried out on the intestinal tract through the conduction of the conducting wire, so that the phenomenon of intestinal paralysis is prevented, and the intestinal tract peristalsis is promoted. The problem of traditional abdomen electro photoluminescence, the effect that is difficult direct action intestinal to lead to is poor is solved.

As shown in fig. 1: a circle of magnetic ring 11 is fixed at the port of the tube body 1, the head of the camera 32 is provided with a magnetic head 33 which can be magnetically adsorbed by the magnetic ring, the magnetic ring 11 and the magnetic head 33 are both annular, the inner buckle of the magnetic ring 11 is arranged at the position of the port of the tube body 1, and the magnetic head 33 surrounds the head of the camera 32. Align magnetic head and magnetic ring during the installation, it is fixed under the magnetic adsorption effect, advance through the seal wire propulsion guiding pipe body, the camera relies on the supporting role of magnetic head and magnetic ring to impel, when reacing the appointed point, extract camera and electromagnetic induction group through the seal wire, because the magnetic adsorption effect of magnetic head and magnetic ring, make the seal wire be difficult to take place the problem of camera dislocation body when leading the pipe, prevent that the body front end from getting into gastric juice etc. the pipe is put in the influence, simultaneously under the magnetic adsorption effect, fixed mode is inseparable, it easily takes out camera subassembly to be convenient for follow-up wrench movement seal wire.

As shown in fig. 3: the inner side wall of the hose 2 is provided with a flushing pipe 21, the flushing pipe 21 is arranged by being attached to the inner wall of the hose 2, the hose body 1 is provided with a flushing hole 15 communicated with the flushing pipe, one end of the flushing hole 15 is arranged at the port side of the hose body 1, the other end of the flushing hole 15 is communicated with the flushing pipe 21, and a flushing branch pipe 61 used for flushing is arranged at the tail end of the flushing pipe 21 corresponding to the position of the thread guide seat 6. The utility model is used for the body when putting the pipe, gastric juice etc. obscure the camera head, lead to the problem of unclear seeing. The camera is cleaned by spraying water through the flushing hole, and meanwhile, the port of the pipe body can be lubricated by flushing water when the pipe is placed, so that the pipe body is convenient to push, and friction is reduced.

As shown in fig. 3: a plurality of air cavities 12 have evenly been seted up to body 1 lateral wall, air cavity 12 all covers and has covered cover plate 41, cover plate 41 and the same arcuation of body 1 lateral wall, electrode slice 4 imbeds on single cover plate 41 with positive negative very a set of, be connected with first gasbag 42 between cover plate 41 inner arc side and the air cavity lateral wall, seted up the annular chamber 13 of each air cavity of intercommunication in the body 1, the intercommunication has gas tube 22 between annular chamber 13 and the yarn guide 6, yarn guide 6 is provided with the branch pipe 62 that aerifys of connecting the gas tube, gas tube 22 pastes and leans on in hose 2 inside wall. Aerify for each first gasbag through the gas tube, can push away the cover plate, each cover plate of pushing away is the plum blossom form and opens for paste and lean on the intestinal inner wall, play and support fixed effect, first gasbag is the contraction state when putting the pipe and is located the air cavity, can fix the position of body after strutting, and electrode slice is installed on the cover plate simultaneously, makes electrode slice fully contact intestinal inner wall, and the electro photoluminescence directly acts on, and the effect is more obvious. After the first air chambers are opened, the air chambers are spaced from each other, the space is used for gastric juice and food residues to pass through, the normal digestion process is not influenced, and the optimal number of the air chambers is three.

As shown in fig. 3: the open side of the air cavity 12 has an installation groove 14 for receiving the side of the cover plate 41.

As shown in fig. 3: the first bladder 42 side wall is corrugated. Has contractibility, and is convenient to expand towards an angle.

As shown in fig. 3: the annular cavity 13 is sleeved with a coil 51, the coil 51 is connected with the lead 5, and each electrode plate 4 is connected with the coil 51. The electrode plates and the coils are connected in parallel, the wires are connected and are in a loose state and can be stretched, the wires are copper wires, and the surfaces of the copper wires are provided with insulating layers, so that the electric motor winding set is similar to an electric motor winding set.

As shown in fig. 4: hose 2 has second gasbag 7 apart from the position of body certain distance, has cup jointed gum cover 71 between second gasbag 7 and the hose 2, and second gasbag 7 is a plurality of, encircles hose 2 align to grid, and second gasbag 7 all communicates in gum cover 71, forms the intermediate layer between gum cover 71 and the hose 2 lateral wall, and hose 2 corresponds the intermediate layer and has seted up the perforation of intercommunication gas tube 22. The interlayer and the ring are both communicated with the same inflation tube and are used for inflating the first air bag and the second air bag simultaneously in an inflation stage, and the air bags are expanded to play a role in supporting a second point, so that the tube body is stable in position and prevented from being influenced by intestinal peristalsis. Similarly, the second air bags are distributed at intervals, a distance for the solution to pass through is reserved, and the distance between the second air bags and the pipe body is about 10-15 cm.

As shown in fig. 5: the hose 2 is provided with a decompression hole 23 corresponding to the stomach, the inner wall of the hose 2 is provided with a decompression passage 24 communicated with the decompression hole, and the decompression passage 24 is provided with a decompression branch pipe 63 corresponding to the guide wire seat 6. It can be used for relieving gastric cavity pressure, promoting gas discharge, and preventing flatulence.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention.

Claims (9)

1. An electrophysiology nasointestinal catheter, characterized in that:

the device comprises a hose (2) and a hose body (1) arranged at the front end of the hose, wherein the rear end of the hose (2) is connected with a yarn guide seat (6), a yarn guide (3) for placing the hose is installed in the hose (2), a camera (32) is installed at the position, corresponding to a port, of the hose body (1), the head of the camera (32) is detachably installed at the port of the hose body (1), an electromagnetic induction line group (31) is fixed at the tail of the camera (32), and the electromagnetic induction line group (31) is fixed at the tail end of the yarn guide (3);

the utility model discloses a lead wire guiding device, including body (1), electrode slice (4), hose (2), wire (5), wire guide seat (6), wire stimulation device, the even embedding of lateral wall of body (1) has a plurality of electrode slices (4), electrode slice (4) encircle body (1) lateral wall align to grid, be positive negative pole between adjacent electrode slice (4), the inside wall embedding of hose (2) has wire (5), wire (5) are used for connecting positive negative pole electrode slice (4), wire (5) extend to wire guide seat (6) and are used for connecting the electrical stimulation device along the hose.

2. The electrophysiology nasointestinal catheter of claim 1, wherein: the magnetic ring type camera is characterized in that a circle of magnetic ring (11) is fixed at the port of the tube body (1), the head of the camera (32) is provided with a magnetic head (33) which can be magnetically adsorbed by the magnetic ring, the magnetic ring (11) and the magnetic head (33) are both annular, the magnetic ring (11) is internally buckled and aligned to the position of the port of the tube body (1), and the magnetic head (33) surrounds the head of the camera (32).

3. The electrophysiology nasointestinal catheter according to claim 1, wherein: hose (2) inside wall is provided with flushing pipe (21), flushing pipe (21) are pasted and are leaned on hose (2) inner wall setting, body (1) has been seted up and has been linked together flushing hole (15) of flushing pipe, and body (1) port side is seted up to flushing hole (15) one end, flushing hole (15) other end intercommunication flushing pipe (21), the position that flushing pipe (21) end corresponds guide wire seat (6) has washing branch pipe (61) that are used for washing by water.

4. The electrophysiology nasointestinal catheter of claim 1, wherein: a plurality of air cavities (12) have evenly been seted up to body (1) lateral wall, air cavity (12) have all covered cover plate (41), cover plate (41) and the same arcuation of body (1) lateral wall, electrode slice (4) are embedded in single cover plate (41) with positive negative very a set of, be connected with first gasbag (42) between cover plate (41) inner arc side and the air cavity lateral wall, annular chamber (13) of each air cavity of intercommunication have been seted up in body (1), the intercommunication has gas tube (22) between annular chamber (13) and guide wire seat (6), and guide wire seat (6) are provided with inflation branch pipe (62) of connecting the gas tube, gas tube (22) paste and lean on in hose (2) inside wall.

5. The electrophysiology nasointestinal catheter of claim 4, wherein: the opening side of the air cavity (12) is provided with an installation groove (14) for accommodating the side of the cover plate (41).

6. The electrophysiology nasointestinal catheter of claim 4, wherein: the side wall of the first air bag (42) is corrugated.

7. The electrophysiology nasointestinal catheter of claim 4, wherein: the annular cavity (13) is internally sleeved with a coil (51), the coil (51) is connected with a lead (5), and each electrode plate (4) is connected to the coil (51).

8. The electrophysiology nasointestinal catheter of claim 4, wherein: hose (2) have second gasbag (7) apart from the position of body certain distance, gum cover (71) have been cup jointed between second gasbag (7) and hose (2), second gasbag (7) are a plurality of, encircle hose (2) align to grid, second gasbag (7) all communicate in gum cover (71), form the intermediate layer between gum cover (71) and hose (2) lateral wall, the perforation of intercommunication gas tube (22) is seted up to hose (2) corresponding intermediate layer.

9. The electrophysiology nasointestinal catheter of claim 1, wherein: hose (2) correspond the position of stomach and have decompression hole (23), hose (2) inner wall is provided with decompression passageway (24) that communicate the decompression hole, decompression passageway (24) correspond guide wire seat (6) and have decompression branch pipe (63).

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