CN217659888U

CN217659888U - Swallowable flexible esophageal electrode catheter

Info

Publication number: CN217659888U
Application number: CN202221395404.1U
Authority: CN
Inventors: 周宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-28
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to the field of medical equipment, a but flexible esophagus electrode catheter of swallowable is disclosed, including the pipe shaft, pipe shaft one end equidistant is fixed with a plurality of electrode, the electrode includes cis-position electrode and mating electrodes, cis-position electrode quantity is 1 and is located pipe shaft endpoint department, the size of cis-position electrode is greater than mating electrodes's size, the pipe shaft is hollow setting, the distribution has the wire in the pipe shaft, wire quantity is the same with electrode quantity, every the wire is connected with electrode one-to-one electricity respectively, every the wire all is connected on the tail wire, the utility model has the advantages of it is following and effect: the size of the cis-position electrode is larger than that of the counter electrode, so that the whole catheter is easier to arrange in the esophagus naturally and sequentially, the detection is convenient, the catheter body is made of soft and foldable materials, the swallowing of a patient is facilitated, and the discomfort is reduced.

Description

Swallowable flexible esophageal electrode catheter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a swallowable flexible esophagus electrode catheter.

Background

The heart electrophysiology examination by means of regulating pulse by means of esophagus is a non-invasive clinical electrophysiology diagnosis and treatment technique, its esophagus and heart are positioned in the mediastinum, and the heart is in front of the esophagus and behind the esophagus. The front wall of the esophagus and the back wall of the left atrium are tightly attached, the left atrium and the left ventricle can be indirectly stimulated by placing the esophagus electrodes by utilizing the anatomical relationship, and the electrophysiological characteristics and the arrhythmia mechanism of the heart can be analyzed by analyzing the synchronously recorded body surface electrocardiogram, or the arrhythmia can be induced and stopped.

The existing esophageal electrode is a hard elastic catheter, needs to enter through a nasal cavity, is not easy to pass through a nasopharynx part, and even a plurality of patients can not complete examination, so the esophageal electrode catheter which is simple to operate and easy to tolerate by the patients is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but flexible esophagus electrode catheter of swallow formula has the effect that the simple operation, stability are strong, the patient tolerates and make things convenient for medical personnel to inspect.

The above technical purpose of the present invention can be achieved by the following technical solutions: including the pipe shaft, its characterized in that: the utility model discloses a pipe body, including pipe body, position electrode and electrode pair, pipe body one end is equidistant to be fixed with a plurality of electrode, the electrode includes position electrode and counter electrode, position electrode quantity is 1 and is located pipe body endpoint department, the size of position electrode is greater than the size of counter electrode, the pipe body is hollow setting, distribution has the wire in the pipe body, wire quantity is the same with electrode quantity, every the wire is connected in the tail-wire with the electrode electricity one-to-one respectively.

The utility model discloses a further set up to: the electrode is spherical in shape.

The utility model discloses a further set up to: the diameter of the counter electrode is larger than that of the tube body.

The utility model discloses a further set up to: the pipe body is last to dismantle to be connected with the gear guard cover, gear guard cover extrados protrusion is fixed with the fixture block, the fixture block bottom indent is provided with the draw-in groove, the joint can be dismantled in the draw-in groove to the pipe body.

The utility model discloses a further set up to: and an elastic layer is arranged on the inner wall surface of the clamping groove.

The utility model discloses a further set up to: the outside of the tube body is provided with scale marks.

The utility model discloses a further set up to: the tube body is made of soft foldable materials.

The beneficial effects of the utility model are that:

1. the size and the weight of the cis-position electrode are larger than those of the counter electrode, and the cis-position electrode is fixed at the end point of the tube body, after the catheter is inserted into the esophagus, the cis-position electrode is positioned at the lowest point under the action of gravity, so that the whole catheter is always kept in a naturally arranged vertical state, and the influence of the bending of the tube body on the inspection result is avoided.

2. The electrodes are in adjacent pairing, the electrophysiological characteristics of the atria and the ventricles are checked by detecting the potential activity between the adjacent electrodes, the plurality of electrodes are arranged, a plurality of groups of pairs can be formed, the electrical activity of a plurality of areas can be displayed, the coverage range is remarkably expanded by the plurality of electrodes, and meanwhile, the positioning precision can be improved by the small electrode distance, so that the electrode pair with the most stable potential is selected, and the accuracy of the checking result is improved.

3. The electrode is larger than the diameter of the tube body, so that the electrode can be better attached to an esophagus inner membrane, the convex spherical shape of the electrode is easy to utilize esophagus peristalsis, the electrode is conveyed to the deep part of the esophagus, and the catheter administration efficiency is improved.

4. Can dismantle the joint on the pipe shaft and have the tooth protecting cover, after doctor's operation pipe confirmed that the electrode detects suitable heart electric potential, with tooth protecting cover parcel patient's last tooth, insert the pipe card again in the draw-in groove of tooth protecting cover lateral surface fixture block, the draw-in groove internal face is provided with the elastic layer, can be more stable with the pipe joint, the pipe just keeps the best depth of insertion always like this, makes things convenient for the doctor to carry out follow-up inspection and can obtain accurate inspection result.

5. The pipe body adopts soft folding material, makes things convenient for the patient to utilize water to swallow from the oral cavity and send the clothes, replaces the method of stretching into the esophagus from the nasal cavity, alleviates patient's uncomfortable and feels, is favorable to the expansion of follow-up inspection, improves inspection efficiency, reduces the doctor simultaneously and operates the degree of difficulty.

6. The outside of the tube body is provided with scale marks, so that a doctor can conveniently determine the depth of the tube body extending into the esophagus, and the inserted depth does not need to be determined step by step if the tube body needs to be checked again, and the operation time is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure view of the middle tube body of the present invention.

Fig. 3 is an enlarged schematic view at a in fig. 2.

In the figure, 1, a tube body; 2. an electrode; 21. a cis-position electrode; 22. a counter electrode; 3. a wire; 4. a gear protecting sleeve; 5. a clamping block; 6. a card slot; 7. an elastic layer; 8. scale lines are marked.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the swallowable flexible esophageal electrode catheter is shown in figures 1-3 and comprises a catheter body 1, wherein the catheter body 1 is made of soft and foldable materials, so that a patient can conveniently swallow the catheter from the oral cavity by using water, a method of extending into the esophagus from the nasal cavity is replaced, discomfort of the patient is relieved, expansion of follow-up examination is facilitated, examination efficiency is improved, and operation difficulty of a doctor is reduced.

As shown in fig. 1-3, 4 electrodes 2 are fixed at an end of a tube body 1 at equal intervals, the electrodes 2 are spherical, each electrode 2 includes an antegrade electrode 21 and a counter electrode 22, the number of the antegrade electrodes 21 is 1, the antegrade electrodes 21 are located at the end points of the tube body 1, the size of the antegrade electrodes 21 is larger than that of the counter electrodes 22, the tube body 1 is hollow, conducting wires 3 are distributed in the tube body 1, the number of the conducting wires 3 is the same as that of the electrodes 2, each conducting wire 3 is electrically connected with the electrodes 2 one by one and connected to a tail wire, the size and weight of the antegrade electrodes 21 are larger than those of the counter electrodes 22, the antegrade electrodes are fixed at the end points of the tube body 1, after the catheter is inserted into an esophagus, the antegrade electrodes 21 are located at the lowest point under the action of gravity, the whole catheter is kept in a natural arrangement vertical state all the time, the examination result is prevented from being influenced by bending of the tube body 1, the electrodes 2 are adjacent pairs, the electrophysiological properties of the atria ventricle are examined by detecting the electric potential activity between the adjacent electrodes 2, a plurality of the electrodes 2 are arranged, a plurality of the electrodes 2 can form a plurality of pairs, the plurality of the electrodes can be displayed, the electric activity of a plurality of regions can be obviously displayed, the range can be enlarged, the electrode coverage range of the electrodes 2 can be enlarged, and the electrodes 2 can be accurately positioned, so that the electrode pair precision of the electrode pair can be improved, and the electrode 2 can be stably positioned, and the potential of the electrode pair can be improved, and the potential can be improved.

As shown in figures 1-3, the diameter of the electrode 2 is larger than that of the tube body 1, so that the electrode can better cling to the inner membrane of the esophagus, and the convex spherical shape of the electrode is easy to convey the electrode 2 to the deep part of the esophagus by utilizing the peristalsis of the esophagus, thereby improving the administration efficiency of the catheter.

As shown in fig. 1-3, can dismantle on the pipe shaft 1 and be connected with gear guard 4, gear guard 4 extrados protrusion is fixed with fixture block 5, the indent of fixture block 5 bottom is provided with draw-in groove 6, joint in draw-in groove 6 can be dismantled to pipe shaft 1, draw-in groove 6 internal face is provided with elastic layer 7, after electrode 2 detects suitable heart electric potential when doctor's operation pipe confirms, live patient's last tooth with gear guard 4 parcel, insert the pipe card in draw-in groove 6 of gear guard 4 lateral surface fixture block 5 again, draw-in groove 6 internal face is provided with elastic layer 7, can be more stable with the pipe joint, the pipe just keeps the best depth of insertion always like this, make things convenient for the doctor to carry out follow-up inspection and can obtain accurate inspection result.

As shown in figure 1, the outside of the tube body 1 is provided with scale marks 8, which is convenient for a doctor to determine the depth of the tube body extending into the esophagus, and if the tube body needs to be checked again, the inserting depth does not need to be determined step by step, so that the operation time is saved.

The working principle of the swallowable flexible esophageal electrode catheter is as follows:

send into the esophagus with the mode of water wash dress, the motor of pipe shaft 1 tip is arranged naturally under the action of gravity, doctor operates the pipe and constantly deepens into suitable degree of depth, electrode 2 detects and stops behind the suitable heart electric potential, live patient's last tooth with the parcel of tooth protecting sleeve 4, in inserting the pipe card into the draw-in groove 6 of 4 lateral surface fixture blocks 5 of tooth protecting sleeve again, 6 internal faces of draw-in groove are provided with elastic layer 7, can be more stable with the pipe card, the doctor begins to inspect again after well fixing the pipe.

Claims

1. A swallowable flexible esophageal electrode catheter comprising a shaft (1), characterized in that: pipe shaft (1) one end equidistant is fixed with a plurality of electrode (2), electrode (2) are including position electrode (21) and mating electrode (22), position electrode (21) quantity is 1 and is located pipe shaft (1) endpoint department, the size of position electrode (21) is greater than the size of mating electrode (22), pipe shaft (1) is hollow setting, it has wire (3) to distribute in pipe shaft (1), wire (3) quantity is the same with electrode (2) quantity, every wire (3) are connected in the tail-wire with electrode (2) one-to-one electricity respectively.

2. A swallowable flexible esophageal electrode catheter as claimed in claim 1 wherein: the electrode (2) is spherical in shape.

3. A swallowable flexible esophageal electrode catheter as claimed in claim 2 wherein: the diameter of the counter electrode (22) is larger than that of the tube body (1).

4. A swallowable flexible esophageal electrode catheter as claimed in claim 3 wherein: pipe shaft (1) is gone up to dismantle and is connected with gear sheath (4), gear sheath (4) extrados protrusion is fixed with fixture block (5), fixture block (5) bottom indent is provided with draw-in groove (6), joint in draw-in groove (6) can be dismantled in pipe shaft (1).

5. A swallowable flexible esophageal electrode catheter as claimed in claim 4 wherein: and an elastic layer (7) is arranged on the inner wall surface of the clamping groove (6).

6. A swallowable flexible esophageal electrode catheter as claimed in claim 5 wherein: the outside of the tube body (1) is provided with scale marks (8).

7. A swallowable flexible esophageal electrode catheter as claimed in claim 6, wherein: the pipe body (1) is made of soft foldable materials.