CT-guided positioning angle measuring device

Abstract

The invention discloses a CT-guided positioning angle measuring device, and relates to the field of CT. According to the technical scheme, the CT-guided positioning angle measuring device comprises a base, a vertical frame, an angle measuring plate and a measuring rod; the lower end of the vertical frame is fixed on the base; the upper end of the vertical frame is fixed with the angle measuring plate; the measuring rod is located on the angle measuring plate, the inner end of the measuring rod is hinged to the angle measuring plate, the measuring rod swings on the plate face of the angle measuring plate, the angle measuring plate is provided with angle scales with the hinged position of the measuring rod as the circle center, the measuring rod is provided with two laser lamp emitters, and the two laser lamp emitters are arranged on the measuring rod. And the laser light emitter is vertically arranged relative to the angle measuring plate. Through the cooperation of the angle measuring plate, the measuring rod and the laser lamp, the needle inserting angle of the puncture needle can be accurately measured, the operation time is effectively shortened, and the safety risk of a patient in the operation process is reduced.

Description

Technical Field

[0001] The invention relates to a positioning angle measuring device under CT guidance, and mainly relates to the field of CT. Background Art

[0002] At present, most radiology departments in hospitals at all levels have carried out preoperative positioning under CT guidance. The angle measurement devices currently used in surgery do not have accurate measurement devices. During the operation, only ordinary protractors are used, which are prone to human deviations, resulting in inaccurate surgical angles and large position deviations after entering the body, increasing the risk of failure of preoperative positioning surgery and prone to serious complications such as bleeding and pneumothorax. This risk will be even greater in critically ill patients and is likely to endanger the patient's life. Summary of the invention

[0003] In view of the above shortcomings of the prior art, the present invention proposes a CT-guided positioning angle measurement device, which uses a protractor plate, a measuring rod and a laser lamp to accurately measure the insertion angle of the puncture needle, effectively shorten the operation time, and reduce the safety risks of patients during the operation.

[0004] To achieve the above object, the technical solution of the present invention is: a positioning angle measurement device under CT guidance, characterized in that it includes a base, a stand, an angle measuring plate and a measuring rod;

[0005] The lower end of the stand is fixed to the base;

[0006] The upper end of the stand is fixed to the angle protractor plate;

[0007] The measuring rod is located on the protractor plate, the inner end of the measuring rod is hinged to the protractor plate, the measuring rod swings on the plate surface of the protractor plate, the protractor plate is provided with an angle scale with the hinge of the measuring rod as the center, the measuring rod is provided with two laser light emitters, and the laser light emitters are vertically arranged relative to the protractor plate.

[0008] When in use, the patient lies on the examination bed in the CT room, and the machine scans to determine the path, angle, and depth.

[0009] Fix the device to the footrest of the examination bed, and overlap the bottom of the protractor with the sagittal examination line;

[0010] Adjust the measuring rod on the protractor according to the angle of the surgical path and turn on the two laser lights;

[0011] Based on the principle that two points determine a straight line, the surgical positioning needle is inserted after the two infrared rays completely overlap, and the angle of needle insertion can be accurately grasped.

[0012] Preferably, the stand is a telescopic rod, so as to facilitate adjusting the height of the protractor board according to different patients.

[0013] Preferably, the telescopic rod is made of aluminum alloy, which is more durable, lightweight and has lower cost.

[0014] Preferably, the upper end surface of the base is provided with an inserting tube, and the lower end of the stand is inserted into the inserting tube, so as to facilitate disassembly and storage.

[0015] Preferably, the base and the insert are made of an integrated plastic structure, which is lower in cost and more durable.

[0016] Preferably, the stand is provided with a buckle for fixing the measuring rod. When the measuring rod is not in use, it can be swung downward and fixed with the buckle for easy storage.

[0017] Preferably, the angle measuring plate is provided with a through hole at the hinged position corresponding to the measuring rod, the through hole is penetrated by a bolt, the bolt is adapted to be equipped with a nut, and the side wall of the bolt is fixed to the inner end of the measuring rod, so as to facilitate the adjustment of the angle of the measuring rod, and after determination, the angle is locked by the nut.

[0018] Preferably, the measuring rod is slidably matched with a slider, and the laser lamp is fixed to the slider, so as to facilitate changing the position of the laser lamp on the measuring rod.

[0019] The technical principles and beneficial effects of the present invention are as follows:

[0020] This plan uses a combination of an angle measuring board, a measuring rod and a laser lamp to accurately measure the insertion angle of the puncture needle, avoid inaccurate angles during surgery, and accurately perform preoperative positioning or obtain lesion tissue, thereby effectively shortening the operation time, reducing the patient's safety risks during the operation, and reducing the occurrence of complications.

[0021] The device can be disassembled and installed at any time, which speeds up the inspection. It greatly reduces the risk of complications in critically ill patients and patients undergoing surgery in special positions, provides more protection for the patient's surgical safety and life, improves the success rate of one-time puncture in surgery, and reduces the occurrence of complications. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only one of the drawings of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 Schematic diagram of an embodiment of the present invention.

[0024] Among them, 1. stand; 2. angle plate; 3. measuring rod; 4. bolts; 5. nuts; 6. slider; 7. laser light; 8. insert; 9. base. DETAILED DESCRIPTION

[0025] The technical solutions in the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example

[0027] like Figure 1 As shown, the embodiment of the present invention includes a base 9, a stand 1, a protractor plate 2 and a measuring rod 3; the lower end of the stand 1 is fixed to the base 9; the upper end of the stand 1 is fixed to the protractor plate 2; the measuring rod 3 is located on the protractor plate 2, the inner end of the measuring rod 3 is hinged to the protractor plate 2, the measuring rod 3 swings on the plate surface of the protractor plate 2, the protractor plate 2 is provided with an angle scale with the hinge of the measuring rod 3 as the center, the measuring rod 3 is provided with two laser light 7 emitters, and the laser light 7 emitters are vertically arranged relative to the protractor plate 2.

[0028] When in use, the patient lies on the examination bed in the CT room, and the machine scans to determine the path, angle, and depth.

[0029] Fix the device on the footrest 9 of the examination bed, and overlap the bottom of the protractor with the sagittal examination line;

[0030] Adjust the measuring rod 3 on the protractor according to the angle of the surgical path and turn on the two laser lamps 7;

[0031] Based on the principle that two points determine a straight line, the surgical positioning needle is inserted after the two infrared rays completely overlap, and the angle of needle insertion can be accurately grasped.

[0032] The stand 1 is a telescopic rod, which is convenient for adjusting the height of the angle measuring board 2 according to different patients.

[0033] The telescopic rod is made of aluminum alloy, which is more durable, lighter and has lower cost.

[0034] The upper end surface of the base 9 is provided with an inserting tube 8, and the lower end of the stand 1 is inserted into the inserting tube 8, so as to facilitate disassembly and storage.

[0035] The base 9 and the inserting tube 8 are made of a plastic integrated structure, which is lower in cost and more durable.

[0036] The stand 1 is provided with a buckle for fixing the measuring rod 3. When the measuring rod 3 is not in use, it can be swung downward and fixed with the buckle for easy storage.

[0037] The angle measuring plate 2 is provided with a through hole at the hinged position corresponding to the measuring rod 3, and the through hole is penetrated with a bolt 4, and the bolt 4 is adapted with a nut, and the side wall of the bolt 4 is fixed to the inner end of the measuring rod 3. It is convenient to adjust the angle of the measuring rod 3, and lock it through the nut after it is determined.

[0038] The measuring rod 3 is slidably matched with a slider 6, and the laser lamp 7 is fixed to the slider 6. It is convenient to change the position of the laser lamp 7 on the measuring rod 3.

[0039] The technical principles and beneficial effects of the present invention are as follows:

[0040] This solution uses the combination of the angle measuring plate 2, the measuring rod 3 and the laser lamp 7 to accurately measure the insertion angle of the puncture needle, avoid inaccurate angles during surgery, and accurately perform preoperative positioning or obtain lesion tissue, thereby effectively shortening the operation time, reducing the safety risks of patients during surgery, and reducing the occurrence of complications.

[0041] The device can be disassembled and installed at any time, which speeds up the inspection. It greatly reduces the risk of complications in critically ill patients and patients undergoing surgery in special positions, provides more protection for the patient's surgical safety and life, improves the success rate of one-time puncture in surgery, and reduces the occurrence of complications.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning angle measurement device under CT guidance, characterized in that: It comprises a base (9), a stand (1), an angle measuring plate (2) and a measuring rod (3); The lower end of the stand (1) is fixed to the base (9); The upper end of the stand (1) is fixed to the angle measuring plate (2); The measuring rod (3) is located on the angle measuring plate (2), the inner end of the measuring rod (3) is hinged to the angle measuring plate (2), the measuring rod (3) swings on the plate surface of the angle measuring plate (2), the angle measuring plate (2) is provided with an angle scale with the hinge of the measuring rod (3) as the center, the measuring rod (3) is provided with two laser light (7) emitters, and the laser light (7) emitters are arranged vertically relative to the angle measuring plate (2).

2. The CT-guided positioning angle measurement device according to claim 1, characterized in that: The stand (1) is a telescopic rod.

3. The CT-guided positioning angle measurement device according to claim 2, characterized in that: The telescopic rod is made of aluminum alloy.

4. The CT-guided positioning angle measurement device according to claim 1, characterized in that: The upper end surface of the base (9) is provided with an inserting tube (8), and the lower end of the stand (1) is inserted into the inserting tube (8).

5. The CT-guided positioning angle measurement device according to claim 1, characterized in that: The base (9) and the inserting tube (8) are made of an integrated plastic structure.

6. The CT-guided positioning angle measurement device according to claim 1, characterized in that: The stand (1) is provided with a buckle for fixing the measuring rod (3).

7. The CT-guided positioning angle measurement device according to claim 1, characterized in that: The angle measuring plate (2) is provided with a through hole at a hinged position corresponding to the measuring rod (3), a bolt (4) is passed through the through hole, a nut is adapted to the bolt (4), and a side wall of the bolt (4) is fixed to the inner end of the measuring rod (3).

8. The CT-guided positioning angle measurement device according to claim 1, characterized in that: The measuring rod (3) is slidably matched with a slider (6), and the laser lamp (7) is fixed to the slider (6).

9. The device for measuring positioning angle under CT guidance according to claim 8, characterized in that: The measuring rod (3) is slidably matched with two sliding blocks (6), and the sliding blocks (6) are respectively provided with the laser lamps (7).

Images