CN112618921A - Three-cavity two-bag tube for dynamically monitoring pressure of air bag based on flexible sensing material - Google Patents
Three-cavity two-bag tube for dynamically monitoring pressure of air bag based on flexible sensing material Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0003—Catheters; Hollow probes for pressure measurement having an additional lumen transmitting fluid pressure to the outside for measurement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
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Abstract
A three-lumen two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material, comprising: a three-cavity two-capsule tube; the device is characterized in that flexible sensors are arranged on the stomach airbag catheter wall and the esophagus airbag catheter wall in the three-cavity two-balloon catheter, and an information processing assembly which receives electric signals of the flexible sensors and converts the electric signals into visible numbers is respectively arranged on the outer walls of the stomach airbag catheter and the esophagus airbag catheter along the external placement end of the three-cavity two-balloon catheter; the external placing port of the gastric balloon catheter and the external placing port of the esophageal balloon catheter are respectively detachably connected with an air pressure fine adjustment mechanism which accurately discharges the air pressure in the gastric balloon catheter and the esophageal balloon catheter; when the medical care personnel can know the air pressure in the tube of the three-cavity two-balloon by the information processing component during use, and when the air pressure in the balloon and the catheter is overlarge, the air pressure discharge amount in the balloon can be effectively controlled by the air pressure fine adjustment mechanism.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a three-cavity two-balloon tube for dynamically monitoring balloon pressure based on a flexible sensing material.
Background
Traditional three chamber two bag pipes are keeping somewhere the pipeline in-process, and the pressure value in the clinical requirement gasbag is stabilized in certain extent, and too high pressure has the risk of tissue oppression injury, and too low pressure probably has oppression hemostasis dynamics not enough, even the risk that the pipe roll-off arouses the asphyxia to the throat. Therefore, the clinical need exists to periodically monitor the pressure within the balloon.
The current three-cavity two-sac tube has the following two problems in actual use: firstly, because the three-cavity two-bag tube does not have the pressure monitoring and displaying functions, the pressure measurement is carried out by temporarily connecting a sphygmomanometer or various pressure measuring instruments externally, the pressure measurement operation is inconvenient, air leakage can be caused during the pressure measurement, and the pressure in the air bag can not be dynamically displayed in real time by the tube; secondly, the pressure regulating auxiliary device of the existing three-cavity two-balloon tube can only roughly regulate the pressure in the stomach balloon and the esophagus balloon to a certain range, and can not accurately regulate the pressure in the balloon.
The invention provides a three-cavity two-sac tube for dynamically monitoring air bag pressure based on a flexible sensing material, aiming at the problem that the pressure in the three-cavity two-sac tube cannot be accurately regulated by the conventional three-cavity two-sac tube auxiliary device.
Disclosure of Invention
In order to solve the problem that the pressure in the three-cavity two-sac tube cannot be accurately regulated by the conventional three-cavity two-sac tube auxiliary device, the invention provides a three-cavity two-sac tube for dynamically monitoring the pressure of a balloon based on a flexible sensing material.
A three-lumen two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material, comprising: a three-cavity two-capsule tube; the device is characterized in that flexible sensors are arranged on the stomach airbag catheter wall and the esophagus airbag catheter wall in the three-cavity two-balloon catheter, and an information processing assembly which receives electric signals of the flexible sensors and converts the electric signals into visible numbers is respectively arranged on the outer walls of the stomach airbag catheter and the esophagus airbag catheter along the external placement end of the three-cavity two-balloon catheter; the external placing port of the gastric balloon catheter and the external placing port of the esophageal balloon catheter are respectively detachably connected with an air pressure fine adjustment mechanism which accurately discharges the air pressure in the gastric balloon catheter and the esophageal balloon catheter; when the medical care personnel can know the air pressure in the tube of the three-cavity two-balloon by the information processing component during use, and when the air pressure in the balloon and the catheter is overlarge, the air pressure discharge amount in the balloon can be effectively controlled by the air pressure fine adjustment mechanism.
Further, the outer surfaces of the external placing ends of the gastric balloon catheter and the esophageal balloon catheter are respectively and uniformly wound with flexible sensors, and an information processing assembly is arranged along the external placing ports of the gastric balloon catheter and the esophageal balloon catheter; when in use, the flexible sensor is used for sensing the gas pressure in the gastric balloon catheter and the esophageal balloon catheter.
Further, the materials of the three-cavity double-balloon tube internal stomach balloon catheter and the esophagus balloon catheter are set to be plastic film materials; the arrangement can realize that the flexible sensor senses the pressure in the film.
Further, a cylindrical box body for bearing the information processing component is arranged at an external placement port of the gastric balloon catheter along the axial direction of the gastric balloon catheter; the arrangement can reduce the occupied area of the information processing assembly.
Further, a display screen is arranged on the outer surface of the cylindrical box body, and a control circuit for processing the electric signal of the flexible sensor is received in the cylindrical box body; the control circuit is respectively and electrically connected with the flexible sensor and the hollow display screen.
Further, an annular battery for providing a hollow display screen, a flexible sensor and a control circuit is arranged along the inner edge of the cylindrical box body; the above arrangement can reduce the occupied volume of the battery to the maximum extent and increase the power supply of the battery.
Further, the flexible sensor is set to be a polyethylene naphthalate flexible gas sensor; the sensor is selected to meet the requirements of the measuring environment and the measuring precision of the three-cavity two-sac tube.
Further, the port arranged outside the stomach gasbag conduit is sequentially provided with the cylindrical box body, a ball valve capable of opening or closing gas exchange of the stomach gasbag and a communicating pipe detachably connected with the air pressure fine adjustment mechanism; opening the ball valve when the gastric balloon is inflated; after the inflation is finished, closing the ball valve; when the air pressure is overlarge, the ball valve is opened, and the air pressure fine adjustment mechanism and the three-cavity two-bag pipe are communicated to perform exhaust operation.
Further, the air pressure fine adjustment mechanism includes: the valve rod slides along the central axis of the hollow chamber; openings at two side ends of the hollow cavity are respectively arranged as a first end communicated with the outside and a second end communicated with the stomach air bag conduit; a first chamber communicated with the first end and a second chamber communicated with the second end are respectively arranged along different radial directions of the hollow chamber, and a through hole is arranged between the first chamber and the second chamber; a circular plate matched with the through hole is arranged on the valve rod; an operating rod for accurately controlling the sliding displacement of the valve rod is arranged at the upper end of the valve rod; the relative displacement of the circular plate and the through hole is changed by precisely controlling the sliding displacement of the valve rod through the operating rod, and the relative displacement of the circular plate and the through hole determines the gas communication degree of the first chamber and the second chamber.
Further, the second chamber is arranged at the lower end of the first chamber, and a through hole for the sliding of the valve rod is arranged at the upper end of the first chamber; the valve rod is provided with an air-tight gasket at the position corresponding to the through hole; above-mentioned setting can effectively avoid gaseous spill to the valve rod upper end from the cavity intracavity.
Further, the gas pressure of the first chamber is smaller than that of the second chamber, and the valve rod is driven by a spring to slide upwards; the arrangement can accurately discharge the gas in the stomach air sac catheter and the stomach air sac to the outside.
Further, the operating rod is set to be a threaded rod; a threaded rod is arranged at the upper end of the valve rod along the radial direction of the valve rod, and a threaded hole meshed with the threaded rod is arranged at the upper end of the hollow cavity; when in use, the axial sliding displacement of the valve rod is changed by rotating the threaded rod.
Further, a spring which is longitudinally pressed is arranged between the threaded rod and the valve rod along the threaded rod, the deformation pressure of the spring is the same as the preset air pressure of the gastric balloon, and when the air pressure in the gastric balloon is greater than the preset air pressure, the valve rod slides upwards under the action of the spring; the arrangement can ensure that the valve rod is upwards bounced under the action of the spring under the condition that the air pressure in the air bag is greater than the standard air pressure of the air bag; and when the air in the air bag reaches the standard air pressure of the air bag after the air is discharged, the spring restores the initial deformation, and the valve rod returns to the initial position.
Furthermore, a bulge is arranged on the periphery of the upper end of the through hole for the valve rod to pass through in the first chamber; the arrangement can effectively avoid the lateral deviation of the spring when the air pressure suddenly rises.
Further, an airtight gasket is arranged on the periphery of the circular plate of the valve rod; the arrangement can effectively avoid the air pressure in the first chamber from leaking.
Further, an air filtering plug is arranged at the first end port of the hollow cavity; the arrangement can avoid the blockage of the chamber caused by excessive dust in the air.
Furthermore, a handle for medical staff to rotate the threaded rod is arranged at the upper end of the threaded rod.
Further, the inner edge of the communicating pipe and the outer surface of the second end of the hollow cavity are provided with mutually meshed thread lines; the detachable communication of the three-cavity two-sac tube and the air pressure fine adjustment mechanism can be realized through the arrangement.
Furthermore, in order to facilitate observation of medical staff, the external placing end of the gastric balloon catheter is provided with a transparent bubble which is convenient for the medical staff to observe.
Furthermore, a cone-shaped head which is not penetrated by X-rays is arranged at the internal placing end of the stomach tube; the stomach tube is convenient to place by the arrangement.
Furthermore, in order to facilitate the suction of the liquid in the stomach, through holes for sucking the gastric juice are arranged on the periphery of the tail end of the stomach tube.
Furthermore, a circular ring which is convenient for the connection of the three-cavity double-sac tube and the rope body of the bed body is arranged on the outer surface of the three-cavity double-sac tube.
Compared with the Sengstaken-Blakemore tube in the prior art, the technical scheme of the invention combines the flexible sensor and the Sengstakemore tube to form the Sengstakemore tube capable of measuring the air pressure in the air sac. Medical personnel can know the air pressure in the tube of the three-cavity two-bag tube through the information processing assembly, and can effectively control the air pressure discharge amount in the air bag by utilizing the air pressure fine adjustment mechanism when the air pressure in the air bag and the tube is overlarge.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of a three-lumen double-balloon catheter according to the present invention;
FIG. 3 is a schematic structural view of the extracorporeal placement end of the Sengstaken-Blakemore tube of the present invention;
FIG. 4 is a schematic view of a partial structure of an extracorporeal placement end of a Sengstaken-Blakemore tube according to the present invention;
FIG. 5 is a schematic sectional view of the air pressure fine adjustment mechanism according to the present invention;
FIG. 6 is a schematic axial sectional view of the air pressure fine adjustment mechanism according to the present invention;
FIG. 7 is a schematic view of the valve stem of the present invention;
FIG. 8 is an overall top view schematic of the present invention;
FIG. 9 is a schematic view showing the overall structure of embodiment 3 of the present invention;
in the figure, 1, a three-cavity double-sac tube; 2. an air pressure fine adjustment mechanism; 3. a flexible sensor; 4. an information processing component; 101. transparent bubbles; 102. an esophageal balloon catheter; 103. a gastric tube; 104. a gastric balloon catheter; 301. a flexible gas sensor of polyethylene naphthalate; 401. a cylindrical case; 402. a display screen; 5. a ball valve; 403. a control circuit; 404. a ring-shaped battery; 201. a hollow chamber; 202. a first end of the hollow chamber; 205. a second end of the hollow chamber; 203. a second chamber; 204. a first chamber; 206. a threaded rod; 207. an air filter plug; 208. a spring; 209. a handle; 210. a valve stem; 2101. an airtight gasket; 2102. a circular plate; 1031. a through hole for gastric juice absorption; 1302. a conical head; 6. a circular ring.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and embodiments can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
A three-lumen two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material, comprising: a three-cavity two-capsule tube; it is characterized in that the materials of the gastric balloon catheter 104 and the esophageal balloon catheter 102 in the three-cavity double-balloon tube 1 are plastic film materials; the outer surfaces of the external placing ends of the wall of the gastric balloon catheter 104 and the wall of the esophageal balloon catheter 102 are respectively and uniformly wound with the flexible sensors 3, and the external placing ports of the gastric balloon catheter 104 and the esophageal balloon catheter 102 are respectively provided with the information processing components 4 which receive the electric signals of the flexible sensors 3 and convert the electric signals into visible numbers; a cylindrical box 401 for holding the information processing assembly 4 is arranged at the external placement port of the stomach air sac catheter 104 and the esophagus air sac catheter 102 respectively along the axial direction of the stomach air sac catheter 104 and the axial direction of the esophagus air sac catheter 102. The external placing port of the stomach air sac catheter 104 and the external placing port of the esophagus air sac catheter 102 are respectively detachably connected with an air pressure fine adjustment mechanism which accurately discharges the air pressure in the stomach air sac catheter and the esophagus air sac catheter.
The information processing component 4 includes: a display screen 402 arranged on the outer surface of the cylindrical box 401, and a control circuit 403 for receiving and processing the electric signal of the flexible sensor 3 in the cylindrical box 401; the control circuit 403 is electrically connected with the flexible sensor 3 and the hollow display screen 402 respectively; an annular battery 404 providing a hollow display screen 402, a flexible sensor 3 and a control circuit 403 is provided along the inner edge of the cylindrical case 401; the flexible sensor 3 is set as a dimethyl naphthalate flexible gas sensor 301.
The port arranged outside the stomach air sac catheter 104 is sequentially provided with the cylindrical box body 401, a ball valve 5 capable of opening or closing gas exchange of the stomach air sac and a communicating pipe detachably connected with the air pressure fine adjustment mechanism; the air pressure fine adjustment mechanism comprises: a hollow chamber with openings at both side ends, a valve rod 210 sliding along the central axis of the hollow chamber; openings at two side ends of the hollow cavity are respectively arranged as a first end communicated with the outside and a second end communicated with the stomach air bag conduit 104; a first chamber 204 communicated with a first end and a second chamber 203 communicated with a second end are respectively arranged along different radial directions of the hollow chamber, the second chamber 203 is arranged at the lower end of the first chamber 204, and a through hole for the valve rod 210 to slide is arranged at the upper end of the first chamber 204; a gas-tight gasket 2101 is arranged at the position of the valve rod 210 corresponding to the through hole thereof; and a projection for preventing the airtight gasket 2101 from passing through the first chamber 204 is provided at the upper end circumference of the through-hole in the first chamber 204 through which the valve stem 210 passes; a through hole is arranged between the first chamber 204 and the second chamber 203; a circular plate 2102 fitted with the through hole is provided on the valve stem 210, and an airtight pad is provided on the periphery of the circular plate 2102; a threaded rod 206 for accurately controlling the sliding displacement of the valve rod 210 is arranged at the upper end of the valve rod 210, and a spring 208 which is longitudinally pressed is arranged between the threaded rod 206 and the valve rod 210 along the axial direction of the threaded rod 206; and a threaded hole meshed with the threaded rod 206 is arranged at the upper end of the hollow cavity; the inner edge of the communicating pipe and the outer surface of the second end 205 of the hollow chamber are provided with mutually meshed thread lines; an air filter plug 207 is provided at the first end 202 port of the hollow chamber; a handle 209 is provided at the upper end of the threaded rod 206 for the medical staff to turn the threaded rod 206.
The deformation pressure of the spring 208 is the same as the preset air pressure of the gastric balloon, when the air pressure in the gastric balloon is greater than the preset air pressure, the valve rod 210 slides upwards under the action of the spring 208, the air pressure of the first chamber 204 is smaller than the air pressure of the second chamber 203, and the spring 208 drives the valve rod 210 to slide upwards.
The working principle is as follows: when the invention is used, firstly, the stomach airbag and the esophagus airbag in the three-cavity two-balloon tube are inflated along the stomach airbag catheter 104 and the esophagus airbag catheter 102 of the three-cavity two-balloon tube; after the inflation is finished, closing the ball valve 5 communicated with the communicating pipe; the gas pressure in the gastric air bag and the esophagus air bag is obtained by utilizing the flexible sensor 3 and the information component; if the gas pressure in the air bag is higher than the preset gas pressure; communicating the three-cavity two-bag pipe with the air pressure fine adjustment mechanism by using a communicating pipe, and opening the ball valve 5 to perform pressure relief operation; since the elastic coefficient of the spring 208 in the air pressure fine adjustment mechanism has a functional relationship with the standard air pressure in the air bag, the pressure relief rate can be changed by changing the elastic deformation of the spring 208.
A three-lumen two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material, comprising: a three-cavity two-capsule tube; it is characterized in that the materials of the gastric balloon catheter 104 and the esophageal balloon catheter 102 in the three-cavity double-balloon tube 1 are plastic film materials; the outer surfaces of the external placing ends of the wall of the gastric balloon catheter 104 and the wall of the esophageal balloon catheter 102 are respectively and uniformly wound with the flexible sensors 3, and the external placing ports of the gastric balloon catheter 104 and the esophageal balloon catheter 102 are respectively provided with the information processing components 4 which receive the electric signals of the flexible sensors 3 and convert the electric signals into visible numbers; a cylindrical box 401 for holding the information processing assembly 4 is arranged at the external placement port of the stomach air sac catheter 104 and the esophagus air sac catheter 102 respectively along the axial direction of the stomach air sac catheter 104 and the axial direction of the esophagus air sac catheter 102. The external placing port of the stomach air sac catheter 104 and the external placing port of the esophagus air sac catheter 102 are respectively detachably connected with an air pressure fine adjustment mechanism which accurately discharges the air pressure in the stomach air sac catheter and the esophagus air sac catheter.
The information processing component 4 includes: a display screen 402 arranged on the outer surface of the cylindrical box 401, and a control circuit 403 for receiving and processing the electric signal of the flexible sensor 3 in the cylindrical box 401; the control circuit 403 is electrically connected with the flexible sensor 3 and the hollow display screen 402 respectively; an annular battery 404 providing a hollow display screen 402, a flexible sensor 3 and a control circuit 403 is provided along the inner edge of the cylindrical case 401; the flexible sensor 3 is set as a dimethyl naphthalate flexible gas sensor 301.
The port arranged outside the stomach air sac catheter 104 is sequentially provided with the cylindrical box body 401, a ball valve 5 capable of opening or closing gas exchange of the stomach air sac and a communicating pipe detachably connected with the air pressure fine adjustment mechanism; the air pressure fine adjustment mechanism comprises: a hollow chamber with openings at both side ends, a valve rod 210 sliding along the central axis of the hollow chamber; openings at two side ends of the hollow cavity are respectively arranged as a first end communicated with the outside and a second end communicated with the stomach air bag conduit 104; a first chamber 204 communicated with a first end and a second chamber 203 communicated with a second end are respectively arranged along different radial directions of the hollow chamber, the second chamber 203 is arranged at the lower end of the first chamber 204, and a through hole for the valve rod 210 to slide is arranged at the upper end of the first chamber 204; a gas-tight gasket 2101 is arranged at the position of the valve rod 210 corresponding to the through hole thereof; and a projection for preventing the airtight gasket 2101 from passing through the first chamber 204 is provided at the upper end circumference of the through-hole in the first chamber 204 through which the valve stem 210 passes; a through hole is arranged between the first chamber 204 and the second chamber 203; a circular plate 2102 fitted with the through hole is provided on the valve stem 210, and an airtight pad is provided on the periphery of the circular plate 2102; a threaded rod 206 for accurately controlling the sliding displacement of the valve rod 210 is arranged at the upper end of the valve rod 210, and a spring 208 which is longitudinally pressed is arranged between the threaded rod 206 and the valve rod 210 along the axial direction of the threaded rod 206; and a threaded hole meshed with the threaded rod 206 is arranged at the upper end of the hollow cavity; the inner edge of the communicating pipe and the outer surface of the second end 205 of the hollow chamber are provided with mutually meshed thread lines; an air filter plug 207 is provided at the first end 202 port of the hollow chamber; a handle 209 is provided at the upper end of the threaded rod 206 for the medical staff to turn the threaded rod 206.
The deformation pressure of the spring 208 is the same as the preset air pressure of the gastric balloon, when the air pressure in the gastric balloon is greater than the preset air pressure, the valve rod 210 slides upwards under the action of the spring 208, the air pressure of the first chamber 204 is smaller than the air pressure of the second chamber 203, and the spring 208 drives the valve rod 210 to slide upwards.
A transparent bubble 101 convenient for medical staff to observe is arranged at the external placing end of the stomach balloon catheter 104; a cone 1302 which is not penetrated by X-ray is arranged at the internal placing end of the stomach tube 103; a gastric juice absorption through-hole 1031 is provided at the peripheral edge of the distal end of the gastric tube 103.
A three-lumen two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material, comprising: a three-cavity two-capsule tube; it is characterized in that the materials of the gastric balloon catheter 104 and the esophageal balloon catheter 102 in the three-cavity double-balloon tube 1 are plastic film materials; the outer surfaces of the external placing ends of the wall of the gastric balloon catheter 104 and the wall of the esophageal balloon catheter 102 are respectively and uniformly wound with the flexible sensors 3, and the external placing ports of the gastric balloon catheter 104 and the esophageal balloon catheter 102 are respectively provided with the information processing components 4 which receive the electric signals of the flexible sensors 3 and convert the electric signals into visible numbers; a cylindrical box 401 for holding the information processing assembly 4 is arranged at the external placement port of the stomach air sac catheter 104 and the esophagus air sac catheter 102 respectively along the axial direction of the stomach air sac catheter 104 and the axial direction of the esophagus air sac catheter 102. The external placing port of the stomach air sac catheter 104 and the external placing port of the esophagus air sac catheter 102 are respectively detachably connected with an air pressure fine adjustment mechanism which accurately discharges the air pressure in the stomach air sac catheter and the esophagus air sac catheter.
The information processing component 4 includes: a display screen 402 arranged on the outer surface of the cylindrical box 401, and a control circuit 403 for receiving and processing the electric signal of the flexible sensor 3 in the cylindrical box 401; the control circuit 403 is electrically connected with the flexible sensor 3 and the hollow display screen 402 respectively; an annular battery 404 providing a hollow display screen 402, a flexible sensor 3 and a control circuit 403 is provided along the inner edge of the cylindrical case 401; the flexible sensor 3 is set as a dimethyl naphthalate flexible gas sensor 301.
The port arranged outside the stomach air sac catheter 104 is sequentially provided with the cylindrical box body 401, a ball valve 5 capable of opening or closing gas exchange of the stomach air sac and a communicating pipe detachably connected with the air pressure fine adjustment mechanism; the air pressure fine adjustment mechanism comprises: a hollow chamber with openings at both side ends, a valve rod 210 sliding along the central axis of the hollow chamber; openings at two side ends of the hollow cavity are respectively arranged as a first end communicated with the outside and a second end communicated with the stomach air bag conduit 104; a first chamber 204 communicated with a first end and a second chamber 203 communicated with a second end are respectively arranged along different radial directions of the hollow chamber, the second chamber 203 is arranged at the lower end of the first chamber 204, and a through hole for the valve rod 210 to slide is arranged at the upper end of the first chamber 204; a gas-tight gasket 2101 is arranged at the position of the valve rod 210 corresponding to the through hole thereof; and a projection for preventing the airtight gasket 2101 from passing through the first chamber 204 is provided at the upper end circumference of the through-hole in the first chamber 204 through which the valve stem 210 passes; a through hole is arranged between the first chamber 204 and the second chamber 203; a circular plate 2102 fitted with the through hole is provided on the valve stem 210, and an airtight pad is provided on the periphery of the circular plate 2102; a threaded rod 206 for accurately controlling the sliding displacement of the valve rod 210 is arranged at the upper end of the valve rod 210, and a spring 208 which is longitudinally pressed is arranged between the threaded rod 206 and the valve rod 210 along the axial direction of the threaded rod 206; and a threaded hole meshed with the threaded rod 206 is arranged at the upper end of the hollow cavity; the inner edge of the communicating pipe and the outer surface of the second end 205 of the hollow chamber are provided with mutually meshed thread lines; an air filter plug 207 is provided at the first end 202 port of the hollow chamber; a handle 209 is provided at the upper end of the threaded rod 206 for the medical staff to turn the threaded rod 206.
The deformation pressure of the spring 208 is the same as the preset air pressure of the gastric balloon, when the air pressure in the gastric balloon is greater than the preset air pressure, the valve rod 210 slides upwards under the action of the spring 208, the air pressure of the first chamber 204 is smaller than the air pressure of the second chamber 203, and the spring 208 drives the valve rod 210 to slide upwards.
A transparent bubble 101 convenient for medical staff to observe is arranged at the external placing end of the stomach balloon catheter 104; a cone 1302 which is not penetrated by X-ray is arranged at the internal placing end of the stomach tube 103; a gastric juice absorption through-hole 1031 is provided at the peripheral edge of the distal end of the gastric tube 103.
The outer surface of the three-cavity double-sac tube 1 is provided with a circular ring 6 which is convenient for the three-cavity double-sac tube 1 to be connected with a rope body of the bed body.
The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the invention without departing from the principle of the invention, which would also fall within the scope of the claims of the invention.
Claims (10)
1. A three-lumen two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material, comprising: a three-cavity two-capsule tube; the device is characterized in that flexible sensors are arranged on the stomach airbag catheter wall and the esophagus airbag catheter wall in the three-cavity two-balloon catheter, and an information processing assembly which receives electric signals of the flexible sensors and converts the electric signals into visible numbers is respectively arranged on the outer walls of the stomach airbag catheter and the esophagus airbag catheter along the external placement end of the three-cavity two-balloon catheter; the external placing port of the gastric balloon catheter and the external placing port of the esophageal balloon catheter are respectively detachably connected with an air pressure fine adjustment mechanism which accurately discharges the air pressure in the gastric balloon catheter and the esophageal balloon catheter.
2. The three-cavity two-balloon catheter for dynamically monitoring balloon pressure based on flexible sensing material as claimed in claim 1, wherein flexible sensors are uniformly wound around the outer surfaces of the external placement ends of the gastric balloon catheter and the esophageal balloon catheter respectively, and information processing components are arranged along the external placement ends of the gastric balloon catheter and the esophageal balloon catheter.
3. The three-lumen two-balloon catheter for dynamically monitoring balloon pressure based on flexible sensing material as claimed in claim 2, wherein the material of the gastric balloon catheter and the esophageal balloon catheter in the three-lumen two-balloon catheter are made of plastic film.
4. The three-cavity two-balloon catheter for dynamically monitoring the pressure of the balloon based on the flexible sensing material as claimed in claim 2, wherein a cylindrical box body for bearing the information processing component is arranged at a port placed outside the stomach balloon catheter along the axial direction of the stomach balloon catheter; the outer surface of the cylindrical box body is provided with a display screen, and a control circuit for receiving and processing the electric signal of the flexible sensor is arranged in the cylindrical box body; the control circuit is respectively and electrically connected with the flexible sensor and the hollow display screen.
5. The Sengstaken-Blakemore tube for dynamically monitoring the pressure of an air bag based on a flexible sensing material according to any one of claims 1 to 4, wherein the flexible sensor is a Polynapthylene glycol flexible gas sensor.
6. The Sengstaken-Blakemore tube for dynamically monitoring balloon pressure based on flexible sensing material of claim 1, wherein the air pressure fine adjustment mechanism comprises: the valve rod slides along the central axis of the hollow chamber; openings at two side ends of the hollow cavity are respectively arranged as a first end communicated with the outside and a second end communicated with the stomach air bag conduit; a first chamber communicated with the first end and a second chamber communicated with the second end are respectively arranged along different radial directions of the hollow chamber, and a through hole is arranged between the first chamber and the second chamber; a circular plate matched with the through hole is arranged on the valve rod; the upper end of the valve rod is provided with an operating rod for accurately controlling the sliding displacement of the valve rod.
7. The three-cavity two-balloon tube for dynamically monitoring balloon pressure based on flexible sensing material as claimed in claim 6, wherein the operating rod is a threaded rod with a spring at the lower end, the deformation pressure of the spring is the same as the preset air pressure of the gastric balloon, and when the air pressure in the gastric balloon is higher than the preset air pressure, the valve rod slides upwards under the action of the spring.
8. The three-cavity two-bag tube for dynamically monitoring the pressure of the air bag based on the flexible sensing material as claimed in claim 7, wherein a handle for the medical staff to rotate the threaded rod is arranged at the upper end of the threaded rod.
9. The three-lumen two-balloon catheter for dynamically monitoring balloon pressure based on flexible sensing material as claimed in claim 1, wherein a transparent bubble for medical staff to observe is disposed at the external placement end of the gastric balloon catheter.
10. The three-lumen two-balloon catheter for dynamically monitoring balloon pressure based on flexible sensing material as claimed in claim 9, wherein an X-ray opaque cone is provided at the intracorporeal placement end of the gastric tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011544488.6A CN112618921B (en) | 2020-12-23 | 2020-12-23 | Three-cavity two-bag tube for dynamically monitoring pressure of air bag based on flexible sensing material |
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| CN202011544488.6A CN112618921B (en) | 2020-12-23 | 2020-12-23 | Three-cavity two-bag tube for dynamically monitoring pressure of air bag based on flexible sensing material |
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| CN112618921B CN112618921B (en) | 2022-08-09 |
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| CN112618921B (en) | 2022-08-09 |
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