CN111449676A - Method for improving body surface positioning efficiency of foreign bodies in vivo - Google Patents
Method for improving body surface positioning efficiency of foreign bodies in vivo Download PDFInfo
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- CN111449676A CN111449676A CN202010342520.6A CN202010342520A CN111449676A CN 111449676 A CN111449676 A CN 111449676A CN 202010342520 A CN202010342520 A CN 202010342520A CN 111449676 A CN111449676 A CN 111449676A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001727 in vivo Methods 0.000 title claims description 6
- 239000003550 marker Substances 0.000 claims abstract description 4
- 238000002594 fluoroscopy Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 abstract 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/12—Arrangements for detecting or locating foreign bodies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
A method for improving the locating efficiency of body surface of foreign body in human body includes such steps as making locating disk at ⑴, putting patient in diagnosis bed at ⑵, observing or shooting the foreign body in human body, saving image A, lowering or raising X-ray tube at ⑶, observing or shooting the foreign body in human body again, saving image B, selecting ⑷, measuring the included angle between the point foreign body in image and image center at X-axis, measuring the distance between the foreign body in image A and image center at ⑸, calculating the horizontal distance between the foreign body and image center at ⑹, putting locating disk at both sides of diagnosis bed at ⑺, turning on the light field lamp of X-ray diagnosis machine, regulating locating disk at ⑻, turning on the laser indicator lamp on slide block, shifting and sliding angle indicator and slide block at ⑼, stopping angle indicator and slide block at needed position, and marking on the skin of patient with marker pen at ⑽.
Description
Technical Field
The invention relates to a body surface positioning method for in-vivo foreign bodies, in particular to a method for improving the body surface positioning efficiency of in-vivo foreign bodies.
Background
In wartime or in ordinary times, metal foreign bodies usually invade the human body, and particularly for point-shaped metal foreign bodies, medical staff usually take out the metal foreign bodies in a surgical incision mode due to small volume, deep position and distortion of an incident channel. The key point for taking out the foreign body in the body lies in whether the body surface positioning is accurate, which not only relates to whether the foreign body can be successfully taken out, but also relates to the operation range, the wound size and the postoperative recovery quality of the wounded.
The body surface of the foreign body in the body is positioned by using a common X-ray diagnostic machine, and the body surface position is usually obtained by adopting an external label. Because the beams of the common X-ray diagnostic machine are distributed in a cone shape, the X-ray is only vertical to the horizontal plane of the skin at the central point of the beams, except that the foreign body in the body is just positioned at the central point of the cone-shaped beams, the accurate projection position of the body surface can be obtained by a method of sticking marks outside the body surface, the accurate projection position of the body surface can not be obtained at other positions by a method of sticking marks outside the body surface, and the farther the foreign body in the body is from the skin is inaccurate. The patient position needs to be adjusted repeatedly this moment for accurate body surface location to make internal foreign matter coincide with cone beam central line, and still need the upset patient with shoot the side position image if need acquire the foreign matter degree of depth, this kind of method is wasted time and energy, and is inefficient, and patient or staff need suffer more dose radiation. Therefore, a positioning method of two pieces of metal nets perpendicular to each other is adopted, and although the positioning efficiency of the foreign bodies in the body is improved in a certain procedure, the positioning result is still unsatisfactory due to the inherent characteristics of the cone beam.
Disclosure of Invention
The invention aims to provide a method for improving the body surface positioning efficiency of the foreign body in the body, which is simple to operate and high in accuracy.
In order to solve the problems, the invention provides a method for improving the body surface positioning efficiency of a foreign body in a body, which comprises the following steps:
⑴ manufacturing a positioning disc:
fixing the two supporting legs with the clamping grooves at the bottom ends at the positions of 0 degree and 180 degrees in the angle scale respectively; the angle pointer is arranged at the center of the angle scale through a rotating shaft; the scale sliding block is arranged on the angle pointer; the laser indicator light is arranged on the scale sliding block, and the positioning disc is obtained;
⑵ placing the patient on a diagnostic bed, making fluoroscopy or photography of the foreign body in the body, recording the distance between the fluoroscopy or photography sources when the foreign body in the body deviates from the center of the image, recording the distance as D1, and storing the image as A, adjusting the position of the patient when the foreign body in the body is at the center of the image, making the patient leave the center of the image, making fluoroscopy or photography and recording the distance between the fluoroscopy or photography sources, also recording the distance as D1, and also storing the image as A;
⑶ lowering or raising X-ray tube, penetrating or shooting foreign body again, recording the distance between penetrating or shooting sources as D2, and storing the image as B;
⑷ selecting either the A or B images, measuring the included angle between the point-like foreign matter in the image and the X-axis passing through the center point of the image, and recording as β;
⑸ measuring distances between the foreign object in the A and B images and the central point of the images, respectively, and respectively recording the distances as L1, L2;
⑹ the horizontal distance L3 between the foreign body in the body and the center of the image is calculated according to the following formula:
L3= L1×L2×(D2-D1)÷(L1D2-L2D1)
⑺ placing the positioning plates on both sides of the diagnostic bed through the clamping grooves of the supporting legs, and turning on the light field lamps of the X-ray diagnostic machine;
⑻ adjusting the positioning disc back and forth along the edge of the diagnostic bed to make the rotation axis center indicator point of the positioning disc coincide with the projection center of the light field lamp of the X-ray diagnostic machine, and turning on the laser indicator lamp on the scale slide block;
⑼ sliding the angle indicator and the scale slide block respectively to stop the angle indicator at the angle β on the positioning plate and stop the scale slide block at the scale mark of L3 scale;
⑽ marking the skin of the patient with a marker pen according to the indication of the laser indicator light.
The angle scale, the angle pointer and the scale slide block in the step ⑴ are all made of transparent materials.
In step ⑴, the edge of the angle scale is marked with a 360 degree scale.
In the step ⑴, the angle pointer is a long strip, a groove which is parallel to and symmetrical with the two long edges of the angle pointer is arranged in the middle of the angle pointer, and the two parallel long edges of the groove are respectively engraved with scale marks.
A round hole is formed in the center of the scale sliding block in the step ⑴, the laser indicator lamp is vertically placed in the round hole, scale marks perpendicular to the long side are respectively arranged on two sides, close to the long side of the scale sliding block, of the round hole, and the connecting line of the two scale marks passes through the center of the round hole.
The center of the rotating shaft in the step ⑴ is provided with a center indicator.
Compared with the prior art, the invention has the following advantages:
1. the bottom ends of the two supporting legs are provided with clamping grooves which can be used for being fixed on a diagnostic bed.
2. The angle pointer is in a strip shape and is arranged at the center of the angle scale through the rotating shaft, a groove which is parallel to and symmetrical to the two long edges of the angle pointer is arranged in the middle of the angle scale, and the two parallel long edges of the groove are respectively carved with scale scales which can be used for indicating the distance from the center of the rotating shaft.
3. The invention can also obtain the depth of the foreign body in the body from the body surface by measuring the distance from the skin mark to the image plate (or the image intensifier) which the ordinary X-ray diagnostic machine belongs to, recording as D3, and further calculating by a formula D3-D1 × (1-L3/L1), therefore, the side film does not need to be shot for obtaining the depth of the foreign body in the body from the body surface, meanwhile, in the positioning process, the body position of the patient does not need to be adjusted repeatedly, the perspective time or the shooting times are greatly reduced, and the X-ray radiation dose of the patient or the staff is reduced.
4. The invention marks the position of the foreign object meter in the body by shifting and sliding the angle pointer and the scale sliding block, thereby achieving the purpose of high positioning accuracy.
5. The invention has simple and convenient operation and high positioning efficiency.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1-supporting foot 2-angle scale 3-angle pointer 4-rotation axis 5-scale slider 6-laser pilot lamp.
Detailed Description
A method for improving the body surface positioning efficiency of a foreign body in a body comprises the following steps:
⑴ As shown in FIG. 1, a puck is made:
the two supporting legs 1 with the clamping grooves at the bottom ends are respectively fixed at the positions of 0 degree and 180 degrees in the angle scale 2; the angle pointer 3 is arranged at the center of the angle scale 2 through a rotating shaft 4; the scale sliding block 5 is arranged on the angle pointer 3; and the laser indicator lamp 6 is arranged on the scale slide block 5, and the positioning disk is obtained.
Wherein:
the angle scale 2, the angle pointer 3 and the scale sliding block 5 are all made of transparent materials.
The edge of the angle scale 2 is marked with 360-degree scales.
The angle pointer 3 is a strip, a groove which is parallel to and symmetrical with the two long edges of the angle pointer is arranged in the middle of the angle pointer, and the two parallel long edges of the groove are respectively carved with scale scales.
A round hole is arranged at the center of the scale sliding block 5, and a laser indicator lamp 6 is vertically arranged in the round hole; two sides of the long edge of the round hole near-scale sliding block 5 are respectively provided with a scale mark vertical to the long edge, and the line of the two scale marks passes through the center of the round hole.
The center of the rotating shaft 4 is provided with a center indicator.
⑵ placing the patient on a diagnostic bed, fluoroscopy or filming the foreign body, recording the distance of the fluoroscopy or filming source as D1 and saving the image as A if the foreign body is off the center of the image, adjusting the position of the patient to be away from the center of the image if the foreign body is in the center of the image, fluoroscopy or filming and recording the distance of the fluoroscopy or filming source as D1 and saving the image as A.
⑶ lowering or raising the X-ray tube, re-fluoroscopy or filming of foreign objects in the body, recording the fluoroscopy or filming source distance, denoted D2, and saving the image as B.
⑷ either image A or B is selected and the angle between a point-like foreign object in the image and the X-axis passing through the center point of the image is measured and designated β.
⑸ measure the distance between the foreign object in the body of the images A and B and the center point of the images, and are respectively designated L1, L2.
⑹ the horizontal distance L3 between the foreign body in the body and the center of the image is calculated according to the following formula:
L3= L1×L2×(D2-D1)÷(L1D2-L2D1)
⑺ the positioning plate is placed on the two sides of the diagnostic bed by the clamping groove of the supporting leg 1, and the light field lamp of the X-ray diagnostic machine is turned on.
⑻ the positioning plate is adjusted back and forth along the edge of the diagnostic bed to make the center indication mark point of the rotating shaft 4 of the positioning plate coincide with the projection center of the light field lamp of the X-ray diagnostic machine, and the laser indicator lamp 6 on the scale slide block 5 is turned on.
⑼ the angle indicator 3 and the scale slide 5 are respectively moved and slid to stop the angle indicator 3 at the angle displayed on the positioning plate β and stop the scale slide 5 at the scale displayed on the L3 scale.
⑽ the marking is made on the skin of the patient with a marker pen according to the indication of the laser indicator lamp 6.
When the invention is applied, the distance between the skin mark and the image plate (or the image intensifier) of the ordinary X-ray diagnostic machine can be measured and recorded as D3, and the depth of the foreign body in the body from the body surface can be obtained by calculation according to a formula D3-D1 × (1-L3/L1).
Claims (6)
1. A method for improving the body surface positioning efficiency of a foreign body in a body comprises the following steps:
⑴ manufacturing a positioning disc:
the two supporting legs (1) with the clamping grooves at the bottom ends are respectively fixed at the positions of 0 degree and 180 degrees in the angle scale (2); the angle pointer (3) is arranged at the center of the angle scale (2) through a rotating shaft (4); the scale sliding block (5) is arranged on the angle pointer (3); the laser indicator lamp (6) is arranged on the scale sliding block (5), and the positioning disc is obtained;
⑵ placing the patient on a diagnostic bed, making fluoroscopy or photography of the foreign body in the body, recording the distance between the fluoroscopy or photography sources when the foreign body in the body deviates from the center of the image, recording the distance as D1, and storing the image as A, adjusting the position of the patient when the foreign body in the body is at the center of the image, making the patient leave the center of the image, making fluoroscopy or photography and recording the distance between the fluoroscopy or photography sources, also recording the distance as D1, and also storing the image as A;
⑶ lowering or raising X-ray tube, penetrating or shooting foreign body again, recording the distance between penetrating or shooting sources as D2, and storing the image as B;
⑷ selecting either the A or B images, measuring the included angle between the point-like foreign matter in the image and the X-axis passing through the center point of the image, and recording as β;
⑸ measuring distances between the foreign object in the A and B images and the central point of the images, respectively, and respectively recording the distances as L1, L2;
⑹ the horizontal distance L3 between the foreign body in the body and the center of the image is calculated according to the following formula:
L3= L1×L2×(D2-D1)÷(L1D2-L2D1)
⑺ the positioning plates are arranged on the two sides of the diagnostic bed through the clamping grooves of the supporting legs (1), and the light field lamps of the X-ray diagnostic machine are turned on;
⑻ adjusting the positioning disc back and forth along the edge of the diagnostic bed to make the center indicator mark point of the rotating shaft (4) of the positioning disc coincide with the projection center of the light field lamp of the X-ray diagnostic machine and turn on the laser indicator lamp (6) on the scale slide block (5);
⑼, the angle pointer (3) and the scale slide block (5) are respectively shifted and slid, the angle pointer (3) stops at the angle displayed by β on the positioning disc, and the scale slide block (5) stops at the scale displayed by L3;
⑽ marking the skin of the patient with a marker pen according to the indication of the laser indicator lamp (6).
2. The method for improving the body surface positioning efficiency of the in vivo foreign body according to claim 1, wherein the angle scale (2), the angle pointer (3) and the scale slider (5) in the step ⑴ are made of transparent materials.
3. The method for improving the body surface positioning efficiency of the foreign body in the body according to claim 1, wherein the step ⑴ is characterized in that 360-degree scales are engraved on the edge of the angle scale (2).
4. The method according to claim 1, wherein the angle indicator (3) in step ⑴ is a strip, and a symmetrical groove is formed in the middle of the strip, wherein the groove is parallel to the two long edges of the angle indicator, and the two parallel long edges of the groove are respectively marked with scale marks.
5. The method for improving the body surface positioning efficiency of the in vivo foreign body according to claim 1, wherein a round hole is formed in the center of the ruler slide block (5) in the step ⑴, the laser indicator lamp (6) is vertically placed in the round hole, two scales perpendicular to the long side are respectively arranged on two sides of the round hole close to the long side of the ruler slide block (5), and the two scales are connected through the center of the round hole.
6. The method for improving the body surface locating efficiency of the foreign body in the body according to claim 1, wherein the center of the rotating shaft (4) in the step ⑴ is provided with a center indicator.
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| CN202010342520.6A CN111449676B (en) | 2020-04-27 | 2020-04-27 | Method for improving body surface positioning efficiency of foreign bodies in body |
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| CN202010342520.6A CN111449676B (en) | 2020-04-27 | 2020-04-27 | Method for improving body surface positioning efficiency of foreign bodies in body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617890A (en) * | 2020-12-21 | 2021-04-09 | 青岛大学附属医院 | B-ultrasonic probe device with positioning function |
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|---|---|---|---|---|
| CN2297980Y (en) * | 1997-03-21 | 1998-11-25 | 张宗光 | Auxiliary coordinate ruler for X-ray film focus or foreign matter locating |
| JP2003144563A (en) * | 2001-11-16 | 2003-05-20 | Keio Gijuku | Medical auxiliary device, program, and recording medium |
| CN201139573Y (en) * | 2008-01-22 | 2008-10-29 | 邢玉芝 | Skull X-ray photography body surface index point connecting line angle measuring instrument |
| CN204092276U (en) * | 2014-09-12 | 2015-01-14 | 亓超逸 | Artificial hip joint total hip joint acetabular bone implant angle positioner |
| CN110123273A (en) * | 2019-04-26 | 2019-08-16 | 上海市肺科医院 | A kind of the tubercle body surface positioning device and tubercle body surface localization method of combination CT image |
-
2020
- 2020-04-27 CN CN202010342520.6A patent/CN111449676B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297980Y (en) * | 1997-03-21 | 1998-11-25 | 张宗光 | Auxiliary coordinate ruler for X-ray film focus or foreign matter locating |
| JP2003144563A (en) * | 2001-11-16 | 2003-05-20 | Keio Gijuku | Medical auxiliary device, program, and recording medium |
| CN201139573Y (en) * | 2008-01-22 | 2008-10-29 | 邢玉芝 | Skull X-ray photography body surface index point connecting line angle measuring instrument |
| CN204092276U (en) * | 2014-09-12 | 2015-01-14 | 亓超逸 | Artificial hip joint total hip joint acetabular bone implant angle positioner |
| CN110123273A (en) * | 2019-04-26 | 2019-08-16 | 上海市肺科医院 | A kind of the tubercle body surface positioning device and tubercle body surface localization method of combination CT image |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617890A (en) * | 2020-12-21 | 2021-04-09 | 青岛大学附属医院 | B-ultrasonic probe device with positioning function |
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