CN110898318A

CN110898318A - Indwelling dilatation device for treating cricopharyngeal muscle achalasia

Info

Publication number: CN110898318A
Application number: CN201910388009.7A
Authority: CN
Inventors: 高正玉; 吴继霞; 安贝贝; 李安娜; 张永祥; 柏广涛
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-24

Abstract

The invention discloses an indwelling dilatation device for treating cricopharyngeal muscle achalasia, which comprises an expansible saccule and a stomach tube, wherein the expansible saccule is sleeved on the stomach tube, the left side and the right side of the inner side wall surface of the expansible saccule are respectively provided with a first through hole and a second through hole, the two through holes are opened at the near end of the stomach tube through a connecting tube in the stomach tube wall, a pressure monitoring mechanism is arranged above the first through hole, and an injection mechanism is arranged above the second through hole; the amount of saline injected into the expandable balloon for expansion is evaluated according to the feeling of a patient and an operator, and is not objective, if the amount of saline injected is too much, esophageal mucosa can be damaged, and if the amount of saline injected is too little, the saline cannot play a role in treatment; the inserting depth of the expansion pipe is difficult to master, the inserting depth is too deep, the pain of a patient is increased, and the inserting depth is too shallow, so that the expansion pipe cannot play a role in treatment.

Description

Indwelling dilatation device for treating cricopharyngeal muscle achalasia

Technical Field

The invention relates to the technical field of medical auxiliary equipment, in particular to an indwelling dilatation device for treating cricopharyngeal muscle achalasia.

Background

Dysphagia is a common complication of nervous system diseases such as stroke, and spasm or achalasia of the cricopharyngeal muscle is an important mechanism causing the dysphagia, and achalasia of the cricopharyngeal muscle is an effective treatment method for expansion of the expandable balloon.

The treatment method has certain defects that the stomach tube needs to be repeatedly pulled out and inserted every time of expandable balloon dilatation treatment, the pain and the economic cost of a patient are increased, the amount of saline injected into the expandable balloon dilatation is evaluated according to the feelings of the patient and an operator, the method is not objective, the esophageal mucosa is possibly damaged if the amount of saline injected is too much, the therapy effect cannot be realized if the amount of saline injected is too little, the insertion depth of the expansion tube is difficult to master, the patient pain is increased if the expansion tube is too deep, and the expansion tube is too shallow and cannot realize the therapy effect. Meanwhile, the time of the expansion treatment is short, and the expansion effect is poor. In view of the above, the present invention has been made in view of the above problems.

Disclosure of Invention

The invention aims to solve the problems, designs an indwelling dilatation device for treating the cricopharyngeal muscle achalasia, and solves the problems that in the traditional cricopharyngeal muscle achalasia treatment process, repeated extraction and insertion of a stomach tube are needed every time when the dilatation balloon is expanded, the pain and the economic cost of a patient are increased, the amount of saline injected into the dilatation balloon for dilatation is evaluated according to the feelings of the patient and an operator, the saline is not objective, if the amount of the saline injected is too much, the esophageal mucosa is possibly damaged, the esophageal mucosa is injected too little, the treatment effect cannot be achieved, the insertion depth of the dilatation tube is difficult to master, the insertion depth is too deep, the pain of the patient is increased, the insertion is too shallow, and the treatment effect cannot be achieved.

The technical scheme of the invention for realizing the aim is as follows: an indwelling dilatation device for treating cricopharyngeal muscle achalasia comprises an expandable balloon and a stomach tube, wherein the expandable balloon is sleeved on the stomach tube, the left side and the right side of the inner side wall surface of the expandable balloon are respectively provided with a first through hole and a second through hole, a pressure monitoring mechanism is arranged above the first through hole, and an injection mechanism is arranged above the second through hole;

the monitoring mechanism, it includes: the device comprises a first connecting hose, a pressure measuring structure and a timing structure;

the first connecting pipe is embedded in the stomach tube, is attached to the inner wall of the left side of the stomach tube, and is communicated with the first through hole at the lower end;

the pressure measurement structure, it includes: the pressure sensor, the box body, the data processing module, the electronic display and the buzzer;

the pressure sensor is embedded in the first through hole, the detection end of the pressure sensor extends into the expandable balloon, the box body is arranged at the upper end of the first connecting hose, the data processing module is arranged in the box body and is electrically connected with the pressure sensor, the electronic display is embedded on the upper wall surface of the box body and is electrically connected with the data processing module, and the buzzer is arranged on the front side wall surface of the box body and is electrically connected with the data processing module;

the timing structure, comprising: a timer, an alarm lamp and a vibrator;

the timer is arranged in the box body and positioned on the left side of the data processing module, the alarm lamp is embedded on the upper wall surface of the box body, and the vibrator is arranged in the box body;

the injection mechanism, comprising: the second connecting hose, the locking structure and the automatic temperature adjusting structure;

the second connecting hose is embedded in the stomach tube, is attached to the inner wall of the right side of the stomach tube, and is communicated with the second through hole at the lower end;

the locking structure, it includes: the injection device comprises an injection hose, a single-hand clamp, a three-way joint, a first one-way valve, a second one-way valve, an injector connector, a cap head, an injector main body and injection;

one end of the injection hose is communicated with the second connecting hose, the single-hand jacket is arranged on the injection hose, the lower end of the three-way joint is communicated with the injection hose, the first check valve is embedded in the horizontal end of the three-way joint, the second check valve is embedded in the upper end of the three-way joint, the injector connector is sleeved on the horizontal port of the three-way joint, the cap head is sleeved on the upper port of the three-way joint, and the injector main body extracts the injection liquid and injects the injection liquid into the expandable balloon through the injector connector.

The automatic temperature adjusting structure mainly comprises: the heating device comprises a fixing plate, a semicircular groove plate, an electric heating wire, a temperature sensor and a temperature control switch;

the fixed plate is arranged below the three-way joint, the semicircular groove plate is arranged on the fixed plate, the heating wire is arranged on the inner side wall surface of the semicircular groove plate, the temperature sensor is arranged on the inner side wall surface of the semicircular groove plate, and the temperature control switch is arranged on the front side wall surface of the semicircular groove plate.

The expandable balloon adopts an annular cavity-shaped structure, the length of the expandable balloon is 4cm, the expandable balloon is tightly attached to the gastric tube when the injection is not injected, the diameter of the gastric tube is not increased, and the expandable balloon is positioned below the entrance of the esophagus according to the position and the length of normal cricopharyngeal muscle in a use state.

The injection liquid may be normal saline, contrast media, and other injectable flowable liquids.

The total length of the stomach tube is 120cm, and the distance between the lower end of the expandable balloon and the tail end of the stomach tube is 30 cm; and a scale is displayed from the expandable balloon to the upper port of the gastric tube as a mark for positioning the expandable balloon.

And a sealing structure is arranged between the pressure sensor and the first through hole on the expandable balloon and is used for sealing.

The injection mechanism further comprises an auxiliary injection structure;

the secondary injection structure, comprising: the mounting plate, the straight pin screw rod module and the push plate are arranged on the base;

the mounting plate is arranged below the injector body and corresponds to the push rod on the injector body, the straight pin screw rod module is arranged on the mounting plate, the push plate is arranged on the moving end of the straight pin screw rod module, and the push plate is connected with the tail end of the push rod on the injector body.

A pair of fixing clips with the same structure are arranged on the semicircular groove plate: the fixing clip is used for clamping and fixing the injector main body.

The lower end of the stomach tube adopts a spherical structure to protect the esophagus and the inner wall of the gastric cavity.

The first connecting hose and the second connecting hose, the stomach tube and the expandable balloon are of an integrally formed structure.

The indwelling dilatation device for treating the cricopharyngeal muscle achalasia, which is manufactured by the technical scheme of the invention, has the advantages that in the treatment process of the cricopharyngeal muscle achalasia, a patient does not need to pull out a stomach tube and insert an expansion tube every time, so that the pain and the cost of the patient are reduced; the slow and continuous expansion can be realized, the strong expansion in a short time by the traditional expansion method is eliminated, and the pain and the esophagus injury risk of a patient are increased; meanwhile, the safety of the patient is guaranteed by matching with the pressure monitoring and timing functions; the injection device is provided with a temperature adjusting structure, so that the temperature of injected liquid can be adjusted, and the comfort of a patient is improved; the patient can self-treat and adjust the treatment scheme according to the self condition. This scheme has solved traditional cricopharyngeal muscle achalasia in-process, carry out expansible sacculus expansion at every turn and all need repeated extraction and insert the stomach tube, increase patient's misery and economic cost, and inject into expansible sacculus expansion salt water volume and evaluate according to patient and operator's sensation, it is not objective, if inject into salt water volume too much, probably damage esophagus mucous membrane, inject into too little and can not play therapeutical effect again, and the inserted degree of depth of expansion pipe is difficult to master, insert too deeply, will increase patient's misery, insert too shallowly, can not play therapeutical effect's problem again.

Drawings

FIG. 1 is a schematic structural view of an indwelling stent device for the treatment of achalasia of the cricopharyngeal muscle according to the present invention.

FIG. 2 is a schematic enlarged partial structure view of the position A of the indwelling stent device for the treatment of achalasia of the cricopharyngeal muscle according to the present invention.

Fig. 3 is a partial enlarged structural diagram of the position B of the indwelling and dilating device for treating the achalasia of the cricopharyngeal muscle.

FIG. 4 is a schematic top view of the pressure measuring mechanism of the indwelling dilation device for the treatment of achalasia of the cricopharyngeal muscle according to the present invention.

FIG. 5 is a schematic top view of the injection mechanism of the indwelling stent device for the treatment of achalasia of the cricopharyngeal muscle in accordance with the present invention.

In the figure: 1-an expandable balloon; 2-a stomach tube; 3-a first connecting hose; 4-a pressure sensor; 5-box body; 6-a data processing module; 7-an electronic display; 8-a buzzer; 9-a timer; 10-an alarm lamp; 11-a vibrator; 12-a second connecting hose; 13-an injection hose; 14-one-handed clamp; 15-a three-way joint; 16-a first one-way valve; 17-a second one-way valve; 18-syringe connector; 19-a cap head; 20-an injector body; 21-injection; 22-a fixing plate; 23-semicircular slotted plate; 24-electric heating wire; 25-a temperature sensor; 26-a temperature control switch; 27-a mounting plate; 28-straight pin screw rod module; 29-push plate; 30-fixing the clip.

Detailed Description

The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, an indwelling dilatation device for treating cricopharyngeal muscle achalasia comprises an expandable balloon 1 and a stomach tube 2, wherein the expandable balloon 1 is sleeved on the stomach tube 2, the left side and the right side of the inner side wall surface of the expandable balloon 1 are respectively provided with a first through hole and a second through hole, a pressure monitoring mechanism is arranged above the first through hole, and an injection mechanism is arranged above the second through hole; the pressure monitoring mechanism, it includes: the device comprises a first connecting hose 3, a pressure measuring structure and a timing structure; the first connecting hose 3 is embedded in the gastric tube 2, is attached to the inner wall of the left side of the gastric tube 2, and is communicated with the first through hole at the lower end thereof, the pressure measuring structure is arranged at the upper end of the first connecting hose 3, and the timing structure is arranged on the pressure measuring structure; the pressure measurement structure, it includes: the pressure sensor 4, the box body 5, the data processing module 6, the electronic display 7 and the buzzer 8; the pressure sensor 4 is embedded in the first through hole, the detection end of the pressure sensor extends into the expandable balloon 1, the box body 5 is arranged at the upper end of the first connecting hose 3, the data processing module 6 is arranged in the box body 5 and is electrically connected with the pressure sensor 4, the electronic display 7 is embedded on the upper wall surface of the box body 5 and is electrically connected with the data processing module 6, and the buzzer 8 is arranged on the front side wall surface of the box body 5 and is electrically connected with the data processing module 6; the timing structure, comprising: a timer 9, a warning lamp 10, and a vibrator 11; the timer 9 is arranged in the box body 5 and is positioned on the left side of the data processing module 6, the alarm lamp 10 is embedded on the upper wall surface of the box body 5, and the vibrator 11 is arranged in the box body 5; the injection mechanism, comprising: a second connecting hose 12, a locking structure and an automatic temperature adjusting structure; the second connecting hose 12 is embedded in the gastric tube 2, is attached to the inner wall of the right side of the gastric tube 2, and is communicated with the second through hole at the lower end thereof, the locking structure is arranged on the second connecting hose 12, and the automatic temperature adjusting structure is sleeved on the right side of the locking structure; the locking structure, it includes: an injection hose 13, a one-hand clamp 14, a three-way joint 15, a first one-way valve 16, a second one-way valve 17, an injector connector 18, a cap head 19, an injector main body 20 and an injection 21; one end of the injection hose 13 is communicated with the second connecting hose 12, the one-hand clamp 14 is sleeved on the injection hose 13, the lower end of the three-way joint 15 is communicated with the injection hose 13, the first one-way valve 16 is embedded in the horizontal end of the three-way joint 15, the second one-way valve 17 is embedded in the upper end of the three-way joint 15, the injector connector 18 is sleeved on the horizontal port of the three-way joint 15, the cap head 19 is sleeved on the upper port of the three-way joint 15, and the injector main body 20 extracts the injection liquid 21 and injects the injection liquid into the expandable balloon 1 through the injector connector 18; the automatic temperature adjusting structure mainly comprises: a fixing plate 22, a semicircular groove plate 23, a heating wire 24, a temperature sensor 25 and a temperature control switch 26; the fixing plate 22 is arranged below the three-way joint 15, the semicircular groove plate 23 is arranged on the fixing plate 22, the heating wire 24 is arranged on the inner side wall surface of the semicircular groove plate 23, the temperature sensor 25 is arranged on the inner side wall surface of the semicircular groove plate 23, and the temperature control switch 26 is arranged on the front side wall surface of the semicircular groove plate 23; the expandable balloon 1 adopts an annular cavity-shaped structure, the length of the expandable balloon is 4cm, when the injection 21 is not injected, the expandable balloon is tightly attached to the gastric tube 2, the diameter of the gastric tube 2 is not increased, and the expandable balloon is positioned below the entrance of the esophagus according to the position and the length of normal cricopharyngeal muscle in a use state; the injection liquid 21, which may be normal saline, contrast media, and other injectable flowing liquids; the total length of the gastric tube 2 is 120cm, and the distance from the lower end of the expandable balloon 1 to the tail end of the gastric tube 2 is 30 cm; and scales are displayed from the expandable balloon 1 to the upper port of the gastric tube 2 as marks for positioning the expandable balloon 1; a sealing structure is arranged between the pressure sensor 4 and the first through hole on the expandable balloon 1 and is used for sealing; the injection mechanism further comprises an auxiliary injection structure; the secondary injection structure, comprising: a mounting plate 27, a straight pin screw module 28 and a push plate 29; the mounting plate 27 is arranged below the injector main body 20 and corresponds to a push rod on the injector main body 20, the straight pin screw rod module 28 is arranged on the mounting plate 27, the push plate 29 is arranged on the moving end of the straight pin screw rod module 28, and the push plate 29 is connected with the tail end of the push rod on the injector main body 20; a pair of fixing clips 30 with the same structure are arranged on the semicircular groove plate 23: the fixing clip 30 is used for clamping and fixing the injector main body 20; the lower end of the stomach tube 2 adopts a spherical structure to protect the esophagus and the inner wall of the gastric cavity; the first connecting tube 3 and the second connecting tube 12 are integrally formed with the gastric tube 2 and the inflatable balloon 1.

The device is characterized by comprising an expandable balloon 1 and a stomach tube 2, wherein the expandable balloon 1 is sleeved on the stomach tube 2, the left side and the right side of the inner side wall surface of the expandable balloon 1 are respectively provided with a first through hole and a second through hole, a pressure monitoring mechanism is arranged above the first through hole, and an injection mechanism is arranged above the second through hole; pressure monitoring mechanism, it includes: the device comprises a first connecting hose 3, a pressure measuring structure and a timing structure; the first connecting hose 3 is embedded in the stomach tube 2, is attached to the inner wall of the left side of the stomach tube 2, and is communicated with the first through hole at the lower end thereof, the pressure measuring structure is arranged at the upper end of the first connecting hose 3, and the timing structure is arranged on the pressure measuring structure; pressure measurement structure, it includes: the pressure sensor 4, the box body 5, the data processing module 6, the electronic display 7 and the buzzer 8; the pressure sensor 4 is embedded in the first through hole, the detection end of the pressure sensor extends into the expandable balloon 1, the box body 5 is arranged at the upper end position of the first connecting hose 3, the data processing module 6 is arranged in the box body 5 and is electrically connected with the pressure sensor 4, the electronic display 7 is embedded on the upper wall surface of the box body 5 and is electrically connected with the data processing module 6, and the buzzer 8 is arranged on the front side wall surface of the box body 5 and is electrically connected with the data processing module 6; a timing structure, comprising: a timer 9, a warning lamp 10, and a vibrator 11; the timer 9 is arranged in the box body 5 and is positioned on the left side of the data processing module 6, the alarm lamp 10 is embedded on the upper wall surface of the box body 5, and the vibrator 11 is arranged in the box body 5; an injection mechanism, comprising: a second connecting hose 12, a locking structure and an automatic temperature adjusting structure; the second connecting hose 12 is embedded in the stomach tube (2), is attached to the inner wall of the right side of the stomach tube 2, is communicated with the second through hole at the lower end, is arranged on the second connecting hose 12, and is sleeved on the right side of the locking structure by the automatic temperature adjusting structure; a locking structure, comprising: an injection hose 13, a one-hand clamp 14, a three-way joint 15, a first one-way valve 16, a second one-way valve 17, an injector connector 18, a cap head 19, an injector main body 20 and an injection 21; one end of an injection hose 13 is communicated with a second connecting hose 12, a one-hand clamp 14 is sleeved on the injection hose 13, the lower end of a three-way joint 15 is communicated with the injection hose 13, a first one-way valve 16 is embedded in the horizontal end of the three-way joint 15, a second one-way valve 17 is embedded in the upper end of the three-way joint 15, an injector connector 18 is sleeved on the horizontal port of the three-way joint 15, a cap 19 is sleeved on the upper port of the three-way joint 15, and an injector main body 20 extracts injection liquid 21 and injects the injection liquid into the expandable balloon 1 through the injector connector 18; the problem of in the traditional cricopharyngeal muscle achalasia treatment process, carry out expansible sacculus expansion at every turn and all need repeated extraction and insert the stomach tube, increase patient's misery and economic cost, and inject into the sense of expansible sacculus expansion salt water volume according to patient and operator and evaluate, it is not objective, if inject into salt water volume too much, probably damage esophagus mucous membrane, inject into too little and can not play the treatment effect again, and the degree of depth that the expansion pipe inserted is difficult to master, insert too deeply, will increase patient's misery, insert too shallowly, can not play the treatment effect again is solved.

The following are the types of some of the electrical components mentioned in this document;

a pressure sensor: the HM91 miniature pressure sensor manufactured by Nanjing Hongmu science and technology source manufacturers is adopted to monitor the pressure change inside the expansible balloon.

A data processing module: the model M1515(I) produced by Deyang Lichuan electronic technology Limited liability company is used for receiving the pressure change inside the expandable balloon monitored by the pressure sensor, judging the received signal, making signal feedback and displaying the feedback result on an electronic display.

A vibrator: the KPD-FLAT-WS0625 brushless FLAT motor that refers to kunpeng and reaches source producer and produce, its diameter is 6mm, and the thickness is 2.5mm, and the volume is smaller, and is very space-saving, simultaneously, realizes the brushless contact, and the life-span of motor obtains very big improvement, and 2S opens, and 1S closes for the cycle, reaches 500000 cycles.

Electric heating wire: the TXW-049 type carbon fiber heating wire produced by Hebei Tai Warm electric heating technology Limited is adopted for heating the temperature of the injection liquid in the injector main body, and is matched with a temperature sensor to monitor the injection liquid in real time, and meanwhile, the temperature control is carried out on a heating system through a temperature control switch.

A temperature sensor: the DS18B20 type temperature sensor produced by the Shenzhen Futian area Anshenmei electronic business is used for monitoring the temperature of the injection in the injector main body.

Temperature-controlled switch: the heating wire is controlled to heat by adopting a HCET-A/TB02-BB8D type temperature control switch produced by Nanjing Haichuan source manufacturers.

Straight round pin lead screw module: the FLS40L30004C7 type linear ball screw guide rail sliding table module manufactured by Chengdu good fortune science and technology source manufacturers is adopted.

The following is a description of the shapes and materials of the parts in the present case;

clamping with a single hand: refer to the single-handed clip on 383069 model venous indwelling needle manufactured by ruiteng medical devices limited, Yangzhou.

Fixing a plate: and selecting a PVC rectangular plate for fixedly mounting the whole injection mechanism.

Semicircular slotted plate: a PVC rectangular block is selected and provided with a semi-circular arc-shaped groove for placing the injector main body.

Mounting a plate: adopt PVC material rectangle panel for the whole supplementary injection structure of fixed mounting.

Fixing the clamp: adopt PVC material annular clamping for the solid syringe main part of card.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, and specific connection and control sequences.

Example (b): as can be seen from the attached figures 1-5 of the specification, the indwelling dilatation device for treating the cricopharyngeal muscle achalasia comprises an expandable balloon 1 and a stomach tube 2, wherein the expandable balloon 1 is sleeved on the stomach tube 2, the left side and the right side of the upper wall surface of the expandable balloon 1 are respectively provided with a first through hole and a second through hole, a monitoring mechanism is arranged above the first through hole, and an injection mechanism is arranged above the second through hole; during the initial treatment, the device is extended into the esophagus, an injection 21 enters the expandable balloon 1 through the injector main body 20 via the injector connector 18, the first check valve 16, the tee joint 15, the injection hose 13 and the second connecting hose 12, the injection 21 can be physiological saline, contrast media and other injectable flowing liquids, the expandable balloon 1 is lifted up, the position of the expandable balloon 1 is positioned under the X-ray, the position of the patient with the esophagus stricture is displayed, the insertion depth of the gastric tube 2 (the position of the lower edge of the cricopharyngeal muscle is marked by a nostril) is recorded at the moment, after the liquid is pumped out, the gastric tube is lifted up by 4cm (the length of the cricopharyngeal muscle), the liquid is injected to expand the balloon, the injection is stopped according to the reaction of the patient, the pressure data signal monitored by the pressure sensor 4 is transmitted to the signal processing module in the box body 5 through the lead in the second connecting hose 12, the monitoring result is sent to the electronic display 7, the one-hand clamp 14 on the injection hose 13 is closed, the injected injection 21 is prevented from flowing back, the stability of the liquid amount in the balloon is maintained, the electronic display 7 can display the pressure, the threshold value or range of the pressure can be set, the pressure is exceeded or is lower than the pressure, the alarm lamp 10 or the buzzer 8 can be used for prompting, when the cricopharyngeal muscle is passively expanded, the pressure sensor 4 on the monitoring mechanism senses the pressure reduction of the expandable balloon 1, and the injection 21 can be continuously injected for expansion; meanwhile, the timing can be realized through the timer 9, when the set time is reached, the vibrator 11 vibrates to prompt a nursing staff to adjust in time, when the stomach tube 2 of a patient eats or sleeps at night, a small amount of injection liquid 21 can be injected into the expandable balloon 1 to seal the esophagus, so that complications caused by food backflow in the stomach due to the indwelling stomach tube 2, such as pulmonary infection, asphyxia and the like, are reduced; the heating wire 24 in the semicircular groove plate 23 on the fixing plate 22 is started to heat up, the injection 21 in the injector main body 20 is heated, the temperature of the injection is matched with the temperature of the body fluid of a human body, the stimulation to the esophagus is reduced, meanwhile, the temperature sensor 25 is used for monitoring the temperature, when the temperature rises to exceed a set value, an electric signal is sent out, the temperature control switch 26 is closed, the heating is stopped, when the temperature is too low, the temperature control switch 26 is automatically opened, the heating is controlled, and the temperature adjustment is realized; after the device is implanted for the first time, after positioning and pressure indexes are determined, the device can be operated by a patient or family members, and as the family members are not familiar with the use of the injector main body 20, the automatic slow injection of the injection 21 is realized through an auxiliary injection structure, namely, a push plate 29 on a straight pin screw rod module 28 is controlled to uniformly push a push rod on the injector main body 20, so that the injection process is slow and uniform, and the injection can be stopped in time according to the reaction of the patient and prompt signals of a pressure measuring system; when the device needs to be taken out, the cap head 19 on the second one-way valve 17 at the upper port of the three-way joint 15 is taken down, the front end of the injector main body 20 is inserted into the second one-way valve 17, the one-hand clamp 14 is opened, the injection 21 in the device is drawn out, and the device can be taken out.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. An indwelling dilatation device for treating cricopharyngeal muscle achalasia comprises an expandable balloon (1) and a stomach tube (2), and is characterized in that the expandable balloon (1) is sleeved on the stomach tube (2), the left side and the right side of the inner side wall surface of the expandable balloon (1) are respectively provided with a first through hole and a second through hole, the two through holes are opened at the near end of the stomach tube through a connecting tube in the stomach tube wall, a pressure monitoring mechanism is arranged above the first through hole, and an injection mechanism is arranged above the second through hole;

the pressure monitoring mechanism, it includes: the device comprises a first connecting hose (3), a pressure measuring structure and a timing structure;

the first connecting pipe (3) is embedded in the stomach tube (2), is attached to the inner wall of the left side of the stomach tube (2), and is communicated with the first through hole at the lower end, the pressure measuring structure is arranged at the upper end of the first connecting hose (3), and the timing structure is arranged on the pressure measuring structure;

the pressure measurement structure, it includes: the pressure sensor (4), the box body (5), the data processing module (6), the electronic display (7) and the buzzer (8);

the pressure sensor (4) is embedded in the first through hole, the detection end of the pressure sensor extends into the expandable balloon (1), the box body (5) is arranged at the upper end of the first connecting hose (3), the data processing module (6) is arranged in the box body (5) and is electrically connected with the pressure sensor (4), the electronic display (7) is embedded on the upper wall surface of the box body (5) and is electrically connected with the data processing module (6), and the buzzer (8) is arranged on the front side wall surface of the box body (5) and is electrically connected with the data processing module (6);

the timing structure, comprising: a timer (9), an alarm lamp (10) and a vibrator (11);

the timer (9) is arranged in the box body (5) and is positioned on the left side of the data processing module (6), the alarm lamp (10) is embedded on the upper wall surface of the box body (5), and the vibrator (11) is arranged in the box body (5);

the injection mechanism, comprising: a second connecting hose (12), a locking structure and an automatic temperature adjusting structure;

the second connecting hose (12) is embedded in the stomach tube (2), is attached to the inner wall of the right side of the stomach tube (2), and is communicated with the second through hole at the lower end, the locking structure is arranged on the second connecting hose (12), and the automatic temperature adjusting structure is arranged on the right side of the locking structure;

the locking structure, it includes: the injection device comprises an injection hose (13), a one-hand clamp (14), a three-way joint (15), a first one-way valve (16), a second one-way valve (17), an injector connector (18), a cap head (19), an injector main body (20) and injection (21);

one end of the injection hose (13) is communicated with the second connecting hose (12), the single-hand clamp (14) is sleeved on the injection hose (13), the lower end of the three-way joint (15) is communicated with the injection hose (13), the first one-way valve (16) is embedded in the horizontal end of the three-way joint (15), the second one-way valve (17) is embedded in the upper end of the three-way joint (15), the injector connector (18) is sleeved on the horizontal port of the three-way joint (15), the cap head (19) is sleeved on the upper port of the three-way joint (15), and the injector main body (20) extracts the injection liquid (21) and injects the injection liquid into the expandable balloon (1) through the injector connector (18).

2. The indwelling distension device of claim 1, wherein the thermoregulation structure consists essentially of: a fixing plate (22), a semicircular groove plate (23), an electric heating wire (24), a temperature sensor (25) and a temperature control switch (26);

the fixing plate (22) is arranged below the three-way joint (15), the semicircular groove plate (23) is arranged on the fixing plate (22), the heating wire (24) is arranged on the inner side wall surface of the semicircular groove plate (23), the temperature sensor (25) is arranged on the inner side wall surface of the semicircular groove plate (23), and the temperature control switch (26) is arranged on the front side wall surface of the semicircular groove plate (23).

3. An indwelling stent device for the treatment of achalasia of the cricopharyngeal muscle according to claim 1, wherein the inflatable balloon (1) is of a toroidal lumen-like configuration with a length of 4cm, which is attached to the gastric tube (2) without increasing the diameter of the gastric tube (2) when the injection liquid (21) is not injected, and which in use is positioned below the esophageal entrance, depending on the location and length of the normal cricopharyngeal muscle.

4. An indwelling distension device according to claim 1 where the injection fluid (21) may be physiological saline, contrast medium and other injectable fluid.

5. An indwelling distension device for the treatment of achalasia of the cricopharyngeal muscle according to claim 1, characterised in that the total length of the gastric tube (2) is 120cm, the lower end of the inflatable balloon (1) is 30cm from the end of the gastric tube (2); and scales are displayed from the expandable balloon (1) to the upper port of the gastric tube (2) as marks for positioning the expandable balloon (1).

6. An indwelling distension device according to claim 1, where a sealing arrangement is provided between the pressure sensor (4) and the first aperture in the inflatable balloon (1) to seal.

7. An indwelling distension device according to claim 1 or claim 2 wherein the injection mechanism further comprises an auxiliary injection structure;

the secondary injection structure, comprising: a mounting plate (27), a straight pin screw module (28) and a push plate (29);

the mounting plate (27) is arranged below the injector main body (20) and corresponds to a push rod on the injector main body (20), the straight pin screw rod module (28) is arranged on the mounting plate (27), the push plate (29) is arranged on the moving end of the straight pin screw rod module (28), and the push plate (29) is connected with the tail end of the push rod on the injector main body (20).

8. An indwelling distension device according to claim 2, where a pair of identically constructed retaining clips (30) are attached to the semicircular channel plate (23): the fixing clip (30) is used for clamping and fixing the syringe main body (20).

9. The indwelling dilatation device for the treatment of cricopharyngeal achalasia according to claim 1, characterized in that the lower end of the gastric tube (2) is of a ball-type structure to protect the esophagus and the inner wall of the gastric cavity.

10. An indwelling distension device according to claim 1, wherein the first (3) and second (12) connection hoses are of integral construction with the gastric tube (2) and inflatable balloon (1).