CN113229786B - Intraoperative endoscope self-expansion type silica gel atrium and esophagus fistula temperature measuring device - Google Patents
Intraoperative endoscope self-expansion type silica gel atrium and esophagus fistula temperature measuring device Download PDFInfo
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- CN113229786B CN113229786B CN202110533569.4A CN202110533569A CN113229786B CN 113229786 B CN113229786 B CN 113229786B CN 202110533569 A CN202110533569 A CN 202110533569A CN 113229786 B CN113229786 B CN 113229786B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/687—Oesophagus
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Abstract
The invention discloses an intra-operative endoscopic self-expansion type silica gel atrioventricular esophageal fistula temperature measuring device, which comprises an outer tube body, a temperature measuring structure and a control circuit, wherein the outer tube body is used for extending into the esophagus; the temperature measuring structure comprises a piston block which is arranged in the installation cavity in a sliding mode, the extension column is of a rectangular structure, the lower end of the piston block is connected with the lower end of the steel wire push rod, and the upper end of the steel wire push rod penetrates through a channel in the outer tube body.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to an intra-operative endoscopic self-expansion type silica gel atrioesophageal fistula temperature measuring device.
Background
The esophagus and the posterior wall of the atrium were adjacent and separated by only a thin 5mm thick layer of connective tissue. Atrial fibrillation ablation-specific left Atrial-esophageal fistulas (AEF) are mainly seen in left Atrial linear ablation, are fatal and serious complications of the RFCA procedure, have high mortality rate, and are called nightmares of Atrial fibrillation ablation. Atrioesophageal fistulas have been reported in both atrial fibrillation radio frequency ablation and cryoballoon ablation, with thermal injury being one of the major causes.
The conductive heat generated by the radiofrequency ablation can directly damage the esophageal mucosa or small blood vessels for blood supply of the esophagus, so that the esophageal mucosa is ischemic, and the mucosa is further damaged; the operation acts on the atrium and the esophagus which are closely positioned, and the atrium and the esophagus are damaged together to form the atrium-esophagus fistula. The prevention measure in the operation is to reduce the ablation energy of the back wall of the atrium by measuring the temperature of the esophagus in real time so as to avoid the esophagus from being burnt.
Disclosure of Invention
The invention aims to provide an intra-operative endoscopic self-expansion type silica gel atrioesophageal fistula temperature measuring device, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an intra-operative endoscopic self-expansion type silica gel atrioesophageal fistula temperature measuring device comprises an outer tube body extending into an esophagus, wherein the lower end of the outer tube body is provided with an installation cavity and a temperature measuring structure positioned in the installation cavity, and the temperature measuring structure is electrically connected with a display screen for displaying temperature information;
the temperature measurement structure is including sliding the piston piece that sets up in the installation cavity, the piston piece is the rectangle structure, avoids it rotatory in the installation cavity, the piston piece lower extreme is connected with steel wire push rod lower extreme, steel wire push rod upper end passes the inside passageway of outer tube body to wear out from the outer tube body other end, outer tube body end is equipped with the piece that pulls that is used for pulling the steel wire push rod and reciprocates, the piston piece lower extreme is connected fixedly with the slip ring through at least one connecting rod, the slip ring intermediate position slides and wears to be equipped with one and extends the post, it is equipped with a bottom plate to extend the post lower extreme, bottom plate upper end outside array distribution has the first dwang of a plurality of, and every first dwang upper end articulates there is a second dwang, and every second dwang upper end all is connected fixedly with the slip ring lower extreme, every the hinge outside of second dwang and first dwang hookup location is equipped with a temperature measurement piece that is used for testing esophagus inner wall temperature, it excessively moves down to extend to be equipped with the restriction locating part between post upper end and the installation intracavity wall, it is connected fixedly through reset spring between extending post upper end and the slip ring.
As a further scheme of the invention: the locating part comprises a fixed limiting block arranged on the inner wall of the outer pipe body and a movable limiting block arranged at the upper end of the extension column.
As a further scheme of the invention: and a signal transmitter for positioning is arranged in the mounting cavity.
As a further scheme of the invention: the lower end of the lower fixing plate is provided with a guide block matched with the lower end face of the outer tube body, and the guide block is of a hemispherical structure.
As a further scheme of the invention: the traction piece comprises a rotary pushing block which is rotatably arranged at the tail end of the outer pipe body, a threaded hole which is convenient for the steel wire push rod to penetrate through is formed in the upper end of the rotary pushing block, and a threaded transmission area matched with the threaded hole is formed in the tail end of the steel wire push rod.
As a further scheme of the invention: the inside optic fibre that is used for transmitting data that is equipped with of steel wire push rod, optic fibre lower extreme and temperature measurement piece output are connected, and the optic fibre upper end passes through data line and display screen electric connection.
As a still further scheme of the invention: the surface of the outer tube body is provided with a scale strip.
Compared with the prior art, the invention has the beneficial effects that: the invention is designed aiming at the existing problems, can measure the temperature of the inner wall of the esophagus and avoid the injury to the esophagus during treatment, adopts the annularly arranged temperature measuring points to improve the measurement accuracy, and also avoids the problem of blocking the esophagus so as to ensure the smoothness of the esophagus.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a partial enlarged view of the structure of the present invention.
FIG. 4 is a schematic structural diagram of a temperature measurement structure according to the present invention.
Wherein: the temperature measuring device comprises an outer tube body 11, a rotary pushing block 12, a thread transmission area 13, a data line 14, a display screen 15, a steel wire push rod 16, a movable limiting block 17, an extending column 18, a return spring 19, a sliding ring 20, a lower fixing plate 21, a guide block 22, a first rotating rod 23, a temperature measuring block 24, a second rotating rod 25, a fixed limiting block 26, a connecting rod 27 and a piston block 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, an intra-operative endoscopic self-expanding silica gel atrial esophageal fistula temperature measurement device includes an outer tube body 11 extending into an esophagus, a mounting cavity and a temperature measurement structure located in the mounting cavity are disposed at a lower end of the outer tube body 11, and the temperature measurement structure is electrically connected to a display screen 15 for displaying temperature information;
the temperature measuring structure comprises a piston block 28 which is arranged in an installation cavity in a sliding mode, the piston block 28 is of a rectangular structure and is prevented from rotating in the installation cavity, the lower end of the piston block 28 is connected with the lower end of a steel wire push rod 16, the upper end of the steel wire push rod 16 penetrates through a channel in the outer tube body 11 and penetrates out of the other end of the outer tube body 11, a traction piece used for driving the steel wire push rod 16 to move up and down is arranged at the tail end of the outer tube body 11, the lower end of the piston block 28 is fixedly connected with a sliding ring 20 through at least one connecting rod 27, an extension column 18 penetrates through the middle of the sliding ring 20 in a sliding mode, a lower fixing plate 21 is arranged at the lower end of the extension column 18, a plurality of first rotating rods 23 are distributed on the outer side of the upper end of the lower fixing plate 21 in an array mode, a second rotating rod 25 is hinged to the upper end of each first rotating rod 23, the upper end of each second rotating rod 25 is fixedly connected with the lower end of the sliding ring 20, the number of the first rotating rods 23 is preferably four, a temperature measuring block 24 used for measuring the temperature of an esophagus temperature is arranged outside a hinge at the connecting position of the esophagus, a limiting piece 19 is arranged between the upper end of the extension column 18 and the mounting cavity, and a limiting piece 19 connected with the upper end of the inner wall of the sliding ring 19; the temperature block 24 is a temperature sensor.
In an initial state, under the action of a return spring 19, a sliding ring 20 is close to the upper end of an extension column 18, at this time, a first rotating rod 23 and a second rotating rod 25 are located at positions which are almost parallel to each other, and the first rotating rod 23 and the second rotating rod 25 are required to rotate, so that the first rotating rod 23 and the second rotating rod 25 cannot be arranged in parallel, a certain angle must be reserved, at this time, the first rotating rod 23, a temperature measuring block 24 and the second rotating rod 25 are all accommodated in an installation cavity so as to extend the whole device into an esophagus, when a preset position is reached, the outer tube body 11 is prevented from continuing to extend, a steel wire push rod 16 is driven by a traction piece to move downwards, a guide block 22 and the extension column 18 extend out of the installation cavity, then under the action of a limiting piece, the sliding ring 18 is difficult to continue to move downwards, at this time, the sliding ring 20 continues to move downwards, under the pushing of the sliding ring 20, the second rotating rod 25 and the first rotating rod 23 are opened, so that the temperature measuring block 24 moves outwards so as to be attached to the inner wall of the esophagus, thereby measuring the temperature of the inner wall of the esophagus;
the outer tube body 11 is of a thin tube structure, and the arrangement of the plurality of temperature measuring blocks 24 is difficult to form a blocking block, so the temperature measurement cannot cause the blockage of the esophagus;
the limiting part comprises a fixed limiting block 26 arranged on the inner wall of the outer pipe body 11 and a movable limiting block 17 arranged at the upper end of the extension column 18, and when the extension column 18 moves downwards to the maximum position, the movable limiting block 17 is in contact with the upper end face of the fixed limiting block 26 in a pressing mode;
a signal emitter for positioning is arranged in the mounting cavity;
the lower end of the lower fixing plate 21 is provided with a guide block 22 matched with the lower end face of the outer tube body 11, and the guide block 22 is of a hemispherical structure, so that resistance can be reduced when the lower fixing plate is inserted into an esophagus, and the injury of the esophagus caused by the tip of an instrument is avoided;
the traction piece comprises a rotary pushing block 12 which is rotatably arranged at the tail end of the outer pipe body 11, a threaded hole which is convenient for a steel wire push rod 16 to penetrate through is formed in the upper end of the rotary pushing block 12, a threaded transmission area 13 which is matched with the threaded hole is formed in the tail end of the steel wire push rod 16, and the threaded transmission area 13 can drive the piston block 28 to slide up and down along the installation cavity under the action of threads by rotating the rotary pushing block 12; (ii) a
The inside optic fibre that is used for transmitting data that is equipped with of steel wire push rod 16, the optic fibre lower extreme is connected with temperature measurement piece 24 output, and the optic fibre upper end passes through data line 14 and display screen 15 electric connection, here through optic fibre transmission data, has reduced external interference to test data.
In order to better grasp the extending depth, the surface of the outer tube body 11 is provided with a scale strip.
The working principle of the invention is as follows: when the temperature measuring device is used in practice, the temperature measuring structure is firstly collected into the installation cavity in the outer tube body 11, then the lower end of the outer tube body 11 is extended into the esophagus of a patient, when a preset temperature measuring point is reached, the upper end of the outer tube body 11 is fixed, the propelling block 12 is rotated and rotated, under the action of the screw thread, the screw thread transmission area 13 can drive the piston block 28 to slide downwards along the installation cavity, the guide block 22 and the extension column 18 can extend out of the installation cavity, then when the extension column 18 moves downwards to the maximum position, the movable limiting block 17 is in contact with the upper end face of the fixed limiting block 26 in a pressing mode, the extension column 18 is difficult to continue to move downwards, at the moment, the sliding ring 20 continues to move downwards, under the pushing of the sliding ring 20, the second rotating rod 25 and the first rotating rod 23 can be opened, so that the temperature measuring block 24 moves outwards to be attached to the inner wall of the esophagus, so that the inner wall of the esophagus is rotated, after the temperature measuring block 24 is finished, the pushing block 12 is rotated reversely, so that the extension column 18 is collected into the installation cavity, when the pushing of the movable limiting block 26 loses the pressing, the second return spring 19 and the second rotating block 25 and the temperature measuring block 23 is collected into the inner wall of the outer tube, so that the temperature measuring device can be collected into the entire temperature measuring device, so that the temperature measuring device 11 can be conveniently and the temperature measuring device can be collected into the entire temperature measuring device, and the temperature measuring device 11, and the temperature measuring device can be collected into the temperature measuring device;
this kind of temperature measurement mode of this application thermometric point is many, and data is comprehensive to can not cause the problem that the esophagus blockked up.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (4)
1. An intra-operative endoscopic self-expansion type silica gel atrioesophageal fistula temperature measuring device comprises an outer tube body (11) extending into the esophagus, wherein the lower end of the outer tube body (11) is provided with an installation cavity and a temperature measuring structure positioned in the installation cavity, and the temperature measuring structure is electrically connected with a display screen (15) used for displaying temperature information;
the temperature measuring device is characterized in that the temperature measuring structure comprises a piston block (28) which is arranged in an installation cavity in a sliding mode, the piston block (28) is of a rectangular structure, and the lower end of the piston block (28) is connected with the lower end of a steel wire push rod (16);
the upper end of the steel wire push rod (16) penetrates through a channel in the outer tube body (11) and penetrates out of the other end of the outer tube body (11), and a traction piece for drawing the steel wire push rod (16) to move up and down is arranged at the tail end of the outer tube body (11);
the lower end of the piston block (28) is fixedly connected with the sliding ring (20) through at least one connecting rod (27), an extension column (18) penetrates through the middle position of the sliding ring (20) in a sliding mode, a lower fixing plate (21) is arranged at the lower end of the extension column (18), a plurality of first rotating rods (23) are distributed on the outer side of the upper end of the lower fixing plate (21) in an array mode, a second rotating rod (25) is hinged to the upper end of each first rotating rod (23), the upper end of each second rotating rod (25) is fixedly connected with the lower end of the sliding ring (20), and a temperature measuring block (24) used for measuring the temperature of the inner wall of an esophagus is arranged on the outer side of a hinge at the connecting position of each second rotating rod (25) and the first rotating rods (23);
a limiting piece for limiting the excessive downward movement of the extension column (18) is arranged between the upper end of the extension column (18) and the inner wall of the mounting cavity, and the upper end of the extension column (18) is fixedly connected with the sliding ring (20) through a return spring (19);
the limiting piece comprises a fixed limiting piece (26) arranged on the inner wall of the outer pipe body (11) and a movable limiting piece (17) arranged at the upper end of the extension column (18);
the lower end of the lower fixing plate (21) is provided with a guide block (22) matched with the lower end face of the outer tube body (11), and the guide block (22) is of a hemispherical structure;
the traction piece comprises a rotary propelling block (12) rotatably arranged at the tail end of the outer pipe body (11), a threaded hole convenient for a steel wire push rod (16) to penetrate through is formed in the upper end of the rotary propelling block (12), and a threaded transmission area (13) matched with the threaded hole is formed in the tail end of the steel wire push rod (16);
when the temperature measuring device is actually used, the temperature measuring structure is firstly collected into the mounting cavity inside the outer tube body (11), then the lower end of the outer tube body (11) extends into the esophagus of a patient, when a preset temperature measuring point is reached, the upper end of the outer tube body (11) is fixed, the screw transmission area (13) can drive the piston block (28) to slide downwards along the mounting cavity under the action of the screw thread through rotating the propelling block (12), the guide block (22) and the extension column (18) can extend out of the mounting cavity, then when the extension column (18) moves downwards to the maximum position, the movable limiting block (17) is in contact with the upper end face of the fixed limiting block (26) in a pressing mode, and the extension column (18) is difficult to move downwards continuously, at the moment, the sliding ring (20) can continuously move downwards, under the pushing of the sliding ring (20), the second rotating rod (25) and the first rotating rod (23) can be opened, so that the temperature measuring block (24) can move outwards to be attached to the inner wall of the esophagus, so that the temperature of the inner wall of the esophagus can be measured, after the temperature measurement is finished, the pushing block (12) can rotate reversely, so that the extending column (18) can be retracted into the installation cavity, when the abutting pressure of the movable limiting block (26) is lost, under the resetting of the reset spring (19), the second rotating rod (25) and the first rotating rod (23) can be in an almost vertical state, so that the temperature measuring block (24) can be conveniently retracted into the installation cavity, and the whole temperature measuring device can be retracted into the outer tube body (11), then the outer tube body (11) is drawn out.
2. The intraoperative endoscopic self-expanding silica gel atrial esophageal fistula temperature measuring device according to claim 1, wherein a signal emitter for positioning is arranged inside the mounting cavity.
3. The intra-operative self-expanding silica gel atrial esophageal fistula temperature measuring device according to claim 1, wherein an optical fiber for transmitting data is arranged inside the steel wire push rod (16), the lower end of the optical fiber is connected with the output end of the temperature measuring block (24), and the upper end of the optical fiber is electrically connected with the display screen (15) through a data line (14).
4. The intraoperative endoscopic self-expanding silica gel atrial esophageal fistula temperature measuring device according to claim 1, wherein a scale strip is arranged on the surface of the outer tube body (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110533569.4A CN113229786B (en) | 2021-05-17 | 2021-05-17 | Intraoperative endoscope self-expansion type silica gel atrium and esophagus fistula temperature measuring device |
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| CN202110533569.4A CN113229786B (en) | 2021-05-17 | 2021-05-17 | Intraoperative endoscope self-expansion type silica gel atrium and esophagus fistula temperature measuring device |
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| CN113229786B true CN113229786B (en) | 2023-03-24 |
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| CN100560155C (en) * | 2006-10-23 | 2009-11-18 | 成正辉 | Net-cage electrode catheter |
| US11033232B2 (en) * | 2016-06-16 | 2021-06-15 | Circa Scientific, Inc. | Esophageal monitoring |
| EP3308696B1 (en) * | 2016-10-14 | 2020-09-23 | Vanguard AG | Temperature sensor for introduction into the esophagus and for determining a temperature on the surface of the mucosa of the esophagus |
| CN106691676A (en) * | 2017-02-22 | 2017-05-24 | 上海导向医疗系统有限公司 | Thermal insulation device for protecting esophagus in frozen balloon catheter cryoablation process of pulmonary veins |
| CN106859708A (en) * | 2017-03-14 | 2017-06-20 | 张子超 | A kind of laparoscopic cannula |
| CN106963486B (en) * | 2017-05-20 | 2021-01-12 | 王新 | Esophagus reflux radio frequency ablation electrode |
| CN107296584B (en) * | 2017-07-07 | 2023-05-09 | 温州市人民医院 | Controllable novel capsule endoscope |
| JP6755630B2 (en) * | 2017-09-06 | 2020-09-16 | 日本ライフライン株式会社 | catheter |
| US11000206B2 (en) * | 2017-10-26 | 2021-05-11 | Biosense Webster (Israel) Ltd. | Esophageal probe with transmitting coils |
| DE102017010318B8 (en) * | 2017-11-07 | 2019-09-12 | Hochschule Offenburg | Esophageal electrode probe and device for cardiac treatment and / or diagnosis |
| CN111012477A (en) * | 2019-12-25 | 2020-04-17 | 美安创新医疗科技无锡有限公司 | Radio frequency ablation catheter with mechanical support system |
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Patent Citations (2)
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| CN211704987U (en) * | 2019-12-24 | 2020-10-20 | 天津和杰医疗器械有限公司 | Ring taking device for obstetrics and gynecology department |
| CN112205949A (en) * | 2020-10-26 | 2021-01-12 | 广州安华网络科技有限公司 | Utilize portable esophagus clearance medical device of computer-aided |
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