CN108635685B - Esophageal cancer radiotherapy body surface positioning device - Google Patents
Esophageal cancer radiotherapy body surface positioning device Download PDFInfo
- Publication number
- CN108635685B CN108635685B CN201810495548.6A CN201810495548A CN108635685B CN 108635685 B CN108635685 B CN 108635685B CN 201810495548 A CN201810495548 A CN 201810495548A CN 108635685 B CN108635685 B CN 108635685B
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- CN
- China
- Prior art keywords
- air cylinder
- positioning
- esophageal cancer
- fixing rod
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1002—Intraluminal radiation therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1061—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source
Abstract
The invention discloses a body surface positioning device for esophageal cancer radiotherapy, which comprises: the supporting structure comprises a base, two supporting rods and a cross beam; the fixing structure comprises a fixing rod, a neck limiting ring and a stomach limiting ring; the positioning structure comprises a first air cylinder, a second air cylinder, two positioning rods and a mark point, wherein the two positioning rods are respectively fixed at the telescopic ends of the first air cylinder and the second air cylinder, the mark point is fixed at the free end of each positioning rod and is in contact with the corresponding fixing rod, and the mark point is made of shot balls; and the controller is electrically connected with the first air cylinder and the second air cylinder and is used for respectively controlling the first air cylinder and the second air cylinder to drive the two positioning rods to move up and down relative to the fixing rod so as to position the positions of the two mark points on the fixing rod. The body surface positioning device for esophageal cancer radiotherapy provided by the invention can improve the accuracy of positioning the lesion length of esophageal cancer, thereby improving the radiotherapy effect and reducing toxic and side effects.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a body surface positioning device for esophageal cancer radiotherapy.
Background
An effective and important treatment mode of esophageal cancer is radiotherapy, which can be accurately positioned under the guidance of a computer, automatically adjust light beams and focus a lesion part needing to be damaged, so that lesion tissues are necrotized, and the purpose of treatment is achieved.
The common method for determining the lesion length of the esophageal cancer before radiotherapy comprises the steps of carrying out barium meal radiography on a patient, under the general condition, clearly displaying the esophageal barium meal radiography on a television monitoring screen, and more accurately determining the upper and lower boundaries and the length of the lesion of the esophageal cancer according to the observed condition. When a radiotherapy plan is formulated, the irradiation range of radiotherapy is determined according to the position of the corresponding anatomical marker in CT positioning scanning. Because the esophagus barium meal radiography adopts an X-ray plain film to display a result, and the CT positioning before radiotherapy adopts a cross-section scanning technology, the two distinct images are converted during the radiotherapy plan preparation, so that human errors exist, the determined lesion range in the radiotherapy plan is easily too large or too small, the curative effect of the radiotherapy is influenced, and the toxic and side effects are increased.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide a body surface positioning device for esophageal cancer radiotherapy, which can accurately position esophageal cancer and reduce toxic and side effects.
In order to achieve the above object, the present invention discloses a superficial positioning device for esophageal cancer radiotherapy, comprising:
the supporting structure comprises a base, two supporting rods and a cross beam, wherein the bottom of the base is provided with a plurality of universal wheels, the two supporting rods are vertically fixed on the base, and the cross beam is fixed at the top ends of the two supporting rods;
the fixing structure comprises a fixing rod vertically fixed at the bottom of the cross beam, a neck limiting ring arranged on the fixing rod in a sliding manner and a stomach limiting ring arranged on the fixing rod in a sliding manner, and locking screws are arranged on the side walls of the neck limiting ring and the stomach limiting ring;
the positioning structure comprises a first air cylinder fixed at the bottom of the cross beam and with a downward telescopic end, a second air cylinder fixed at the top of the base and with an upward telescopic end, two positioning rods respectively fixed at the telescopic ends of the first air cylinder and the second air cylinder, and a mark point fixed at the free end of the positioning rod and in contact with the fixing rod, wherein the mark point is made of a shot;
and the controller is electrically connected with the first air cylinder and the second air cylinder and is used for respectively controlling the first air cylinder and the second air cylinder to drive the two positioning rods to move up and down relative to the fixing rod so as to position the positions of the two mark points on the fixing rod.
Preferably, the positioning rod is made of tempered glass and has a diameter of 6-8 mm.
Preferably, the vertical distance between the bottom end of the fixing rod and the top of the base is more than 40 cm.
Preferably, the base is made of a wood material, and the surface of the base is provided with a frosted glass layer.
Preferably, the number of the universal wheels is at least 4, and a locking shaft is arranged on one of the universal wheels.
Preferably, the cross beam is made of stainless steel and has a diameter greater than 3 cm.
The invention at least comprises the following beneficial effects:
1. the esophageal cancer radiotherapy body surface positioning device provided by the invention can accurately position the length of the esophagus of a patient through the neck limiting ring and the stomach limiting ring, and controls the telescopic motion of the first cylinder and the second cylinder by using the controller, so that the positions of two marking points are adjusted, namely, the upper boundary and the lower boundary of a cancer lesion in the esophagus of the patient are conveniently marked in a CT positioning image before radiotherapy, the position and the length of the esophageal lesion in the esophagus are determined, the accuracy of positioning the length of the esophageal cancer lesion is improved, the radiotherapy effect is improved, and the toxic and side effects are reduced.
2. The body surface positioning device for esophageal cancer radiotherapy, provided by the invention, has the advantages of simple structure, convenience in operation, easiness in realization, low manufacturing cost and high economic and social benefits.
3. The esophageal cancer radiotherapy body surface positioning device provided by the invention is used as an auxiliary positioning tool during esophageal cancer radiotherapy, is simple to use, and is safe and noninvasive.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the esophageal cancer radiotherapy body surface positioning device of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in figure 1, the invention provides a superficial positioning device for esophageal cancer radiotherapy, which comprises:
the supporting structure comprises a base 1, two supporting rods 3 and a cross beam 4, wherein the bottom of the base 1 is provided with a plurality of universal wheels 2, the two supporting rods 3 are vertically fixed on the base 1, and the cross beam 4 is fixed at the top ends of the two supporting rods 3;
the fixing structure comprises a fixing rod 5 vertically fixed at the bottom of the cross beam 4, a neck limiting ring 6 arranged on the fixing rod 5 in a sliding manner, and a stomach limiting ring 7 arranged on the fixing rod 5 in a sliding manner, and locking screws 8 are arranged on the side walls of the neck limiting ring 6 and the stomach limiting ring 7;
the positioning structure comprises a first air cylinder 9 fixed at the bottom of the cross beam 4 and with a downward telescopic end, a second air cylinder 10 fixed at the top of the base 1 and with an upward telescopic end, two positioning rods 11 respectively fixed at the telescopic ends of the first air cylinder 9 and the second air cylinder 10, and a mark point 12 fixed at the free end of the positioning rod 11 and in contact with the fixing rod 5, wherein the mark point 12 is made of a shot;
and the controller 13 is electrically connected with the first air cylinder 9 and the second air cylinder 10, and is used for respectively controlling the first air cylinder 9 and the second air cylinder 10 to drive the two positioning rods 11 to move up and down relative to the fixing rod 5 so as to position the positions of the two marking points 12 on the fixing rod 5.
Further, the positioning rod 11 is made of tempered glass, and the diameter of the positioning rod is 6-8 mm.
Further, the vertical distance between the bottom end of the fixing rod 5 and the top of the base 1 is more than 40 cm.
Further, the base 1 is made of a wood material, and a frosted glass layer is arranged on the surface of the base 1.
Furthermore, the number of the universal wheels 2 is at least 4, and a locking shaft is arranged on one of the universal wheels 2.
Further, the beam 4 is made of stainless steel and has a diameter larger than 3 cm.
The using method of the invention specifically comprises the following steps:
1. the patient stands behind the fixation rod 5 and contacts the fixation rod 5;
2. the positions of the neck limiting ring 6 and the stomach limiting ring 7 on the fixing rod 5 are adjusted through the locking screw 8, so that the neck limiting ring 6 and the stomach limiting ring 7 are respectively positioned on the neck and the stomach of the patient, and the locking screw 8 is locked, thereby determining the position of the esophagus of the patient;
3. carrying out barium meal radiography on the patient;
4. when CT tomography is performed on a patient, medical staff drives the first air cylinder 9 and the second air cylinder 10 to move in a telescopic mode through the controller 13, so that the two marking points 12 are driven to move up and down relative to the fixed rod 5, the positions of the two marking points 12 are adjusted, and the starting position and the ending position of esophageal cancer lesion are accurately positioned according to the marking points 12.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. A superficial positioning device for esophageal cancer radiotherapy, which is characterized by comprising:
the supporting structure comprises a base, two supporting rods and a cross beam, wherein the bottom of the base is provided with a plurality of universal wheels, the two supporting rods are vertically fixed on the base, and the cross beam is fixed at the top ends of the two supporting rods;
the fixing structure comprises a fixing rod vertically fixed at the bottom of the cross beam, a neck limiting ring arranged on the fixing rod in a sliding manner and a stomach limiting ring arranged on the fixing rod in a sliding manner, and locking screws are arranged on the side walls of the neck limiting ring and the stomach limiting ring;
the positioning structure comprises a first air cylinder fixed at the bottom of the cross beam and with a downward telescopic end, a second air cylinder fixed at the top of the base and with an upward telescopic end, two positioning rods respectively fixed at the telescopic ends of the first air cylinder and the second air cylinder, and a mark point fixed at the free end of the positioning rod and in contact with the fixing rod, wherein the mark point is made of a shot;
and the controller is electrically connected with the first air cylinder and the second air cylinder and is used for respectively controlling the first air cylinder and the second air cylinder to drive the two positioning rods to move up and down relative to the fixing rod so as to position the positions of the two mark points on the fixing rod.
2. The esophageal cancer radiotherapy body surface positioning device of claim 1, wherein the positioning rod is made of tempered glass and has a diameter of 6-8 mm.
3. The superficial positioning device for esophageal cancer radiotherapy of claim 1, wherein the vertical distance between the bottom end of the fixing rod and the top of the base is more than 40 cm.
4. The body surface positioning device for esophageal cancer radiotherapy of claim 1, wherein the base is made of a wood material, and a frosted glass layer is arranged on the surface of the base.
5. The superficial positioning device for esophageal cancer radiotherapy of claim 1, wherein the number of the universal wheels is at least 4, and one of the universal wheels is provided with a locking shaft.
6. The superficial positioning device for esophageal cancer radiotherapy of claim 1, wherein the beam is made of stainless steel and has a diameter greater than 3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495548.6A CN108635685B (en) | 2018-05-22 | 2018-05-22 | Esophageal cancer radiotherapy body surface positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495548.6A CN108635685B (en) | 2018-05-22 | 2018-05-22 | Esophageal cancer radiotherapy body surface positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108635685A CN108635685A (en) | 2018-10-12 |
| CN108635685B true CN108635685B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495548.6A Expired - Fee Related CN108635685B (en) | 2018-05-22 | 2018-05-22 | Esophageal cancer radiotherapy body surface positioning device |
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| CN (1) | CN108635685B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661600A1 (en) * | 1990-05-03 | 1991-11-08 | Lotti Jacques | Device for measuring the extensions of the body by means of graduations and computerised numerical counting |
| CN102335008A (en) * | 2010-07-23 | 2012-02-01 | 井辉 | Locator for esophageal cancer CT (computed tomography) radiotherapy |
| CN105960261A (en) * | 2013-12-04 | 2016-09-21 | 奥巴隆治疗公司 | Systems and methods for locating and/or characterizing intragastric devices |
| CN206167644U (en) * | 2016-07-26 | 2017-05-17 | 胡安祥 | Cancer of esophagus radiotherapy body surface location device |
| CN106821385A (en) * | 2016-12-26 | 2017-06-13 | 安徽谢佑圣电子科技有限公司 | A kind of healthy side instrument |
-
2018
- 2018-05-22 CN CN201810495548.6A patent/CN108635685B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661600A1 (en) * | 1990-05-03 | 1991-11-08 | Lotti Jacques | Device for measuring the extensions of the body by means of graduations and computerised numerical counting |
| CN102335008A (en) * | 2010-07-23 | 2012-02-01 | 井辉 | Locator for esophageal cancer CT (computed tomography) radiotherapy |
| CN105960261A (en) * | 2013-12-04 | 2016-09-21 | 奥巴隆治疗公司 | Systems and methods for locating and/or characterizing intragastric devices |
| CN206167644U (en) * | 2016-07-26 | 2017-05-17 | 胡安祥 | Cancer of esophagus radiotherapy body surface location device |
| CN106821385A (en) * | 2016-12-26 | 2017-06-13 | 安徽谢佑圣电子科技有限公司 | A kind of healthy side instrument |
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| Publication number | Publication date |
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| CN108635685A (en) | 2018-10-12 |
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Granted publication date: 20200818 Termination date: 20210522 |