CN1193714C - Human body target direction micro trauma positioning and navigating bed frame and its positioning method - Google Patents
Human body target direction micro trauma positioning and navigating bed frame and its positioning method Download PDFInfo
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- CN1193714C CN1193714C CNB021309728A CN02130972A CN1193714C CN 1193714 C CN1193714 C CN 1193714C CN B021309728 A CNB021309728 A CN B021309728A CN 02130972 A CN02130972 A CN 02130972A CN 1193714 C CN1193714 C CN 1193714C
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Abstract
The present invention relates to an out-of-body positioning and navigating bed frame and a positioning method for carrying out targeted treatment or micro trauma treatment, which belongs to the field of medical equipment. The positioning and navigating bed frame is mainly composed of a positioning bottom board, a re-positioning frame ruler, a ruler and a pilot arc revolving rack. A human body and the positioning and navigating bed frame are scanned by a CT machine, images are input into a computer, the focus lies within the effective scale of the positioning bottom board, and the scale of a body fixing bracket in a T-shaped sliding chute frame ruler is recorded; the positioning frame rule is fixed and a positioning pin is regulated by the marks on the human body and the positioning and navigating bed frame according to the data output from the computer, and the position of Z value on the T-shaped sliding chute is found through an X ruler and a Y ruler. The present invention can realize out-of-body target area positioning, re-positioning, target navigation, targeted treatment and micro trauma treatment, and the present invention fills the blank that no out-of-body positioning and navigating device exists in China at present; the utility model has the advantages of simple structure, low cost, convenient and simple operation, accurate positioning and easy popularization.
Description
Technical field
The invention belongs to medical instruments field, relate to a kind of positioning and navigating bed frame and localization method thereof outside human body when being used for targeted therapy or minimally-invasive treatment.
Background technology
Continuous development along with science and technology, utilize the maneuver of targeted therapy or minimally-invasive treatment increasing gradually, there is hospital to adopt import electronic laser navigation frame to be used in combination at present with the CT machine, but the shelf structure complexity of should navigating, cost an arm and a leg, millions of approximately dollars one covers, China has only introduced the 2-3 cover, is not easy to popularize.Domestic existing department of cerebral surgery positioning head frame is unsuitable for the body location.The body location bed of using for X cutter, γ cutter irradiation treatment owing to there is not navigation feature, can not be carried out Minimally Invasive Surgery in addition.
In the surgical operation, how locating and to find target spot correct in the body or focus be the difficult problem of medical circle external, generally is rule of thumb to locate by the clinician who has wide experience.Specific practice is that the clinician rule of thumb inserts puncture needle in patient's body, under the CT machine, check the position of insertion then, again insert again as improper, up to finding correct position, this kind method complex operation is wasted time and energy, especially the time of delaying the CT machine, locate inaccurately simultaneously, increase patient's misery, clinical practice is limited.
The location when being used for targeted therapy or minimally-invasive treatment at present outside human body and the device of navigation and the localized method of employing positioning and navigating bed frame are still blank at home.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, positioning and navigating bed frame outside human body when being used for targeted therapy or minimally-invasive treatment with low cost.
Another object of the present invention is to provide a kind of easy and simple to handle, quick, the method for human body target direction micro trauma positioning and navigating bed frame in the human body outside fix used in accurate positioning.
The technical solution used in the present invention: a kind of human body target direction micro trauma positioning and navigating bed frame, it mainly is made of positioning plate parts, resetting frame chi parts, scale member, guiding arc pivoted frame parts; Two side frame chis in the resetting frame chi parts are slidingly connected in the guiding T type chute of positioning plate parts both sides, scale coupling in the scale member is fixed on the T type chute, and can on T type chute, slide, camber pivoted frame in the guiding arc pivoted frame parts and the X scale in the scale member are dynamic fit.Described human body target direction micro trauma positioning and navigating bed frame, the base plate both sides of positioning plate parts respectively are provided with a guiding T type chute, stud with six localization criteria lines in the central authorities, and the body fixed support is fixed on the base plate.The graduated frame chi that has of its resetting frame chi parts is arranged in the guiding T type chute, respectively is provided with the positioning needle that a band scale is regulated on three edges of frame chi.Its scale member have graduated X scale, the Y scale at right angles connects, the scale coupling is fixed on the T type chute, the Y scale cooperates connection with the scale coupling with dovetail groove.Camber pivoted frame of its guiding arc pivoted frame parts is the camber shape, with the X scale movingly, the guide plate support is installed on the camber pivoted frame, guide plate support and litter movingly, litter is provided with the implantation guide plate.Its six localization criteria lines comprise a centrage, about two parallel side position lines, two cross-shaped angles be 53 ° 08 ' z value position line, a positive negative wire.Its guide plate support is angle with litter and connects.
A kind of method of utilizing human body target direction micro trauma positioning and navigating bed frame to realize the human body outside fix, CT machine, computer, scanner, printer have wherein also been used, the labelling that utilization is done on human body combines with positioning and navigating bed frame, by CT machine scanning human body and positioning and navigating bed frame, image is input to computer, focus is positioned at effective scale of base plate 101, record body fixed support 107 scales at T type chute 102 frame chis are finished area coordinate location, target area or focus entity and are operated with the spatial position data of location bedstead 101; Utilize the labelling done on the human body and the positioning and navigating bed frame data according to computer output once more, stationary positioned frame chi 201 is regulated positioning needle 202, finishes resetting operation on the operation table; By X scale 303, Y scale 301, on T type chute 102, find Z value position, finish X, Y, Z coordinate values targeting navigation operation.
The present invention can realize the outer target area zone location of human body, resetting, targeting navigation, be beneficial to targeted therapy and minimally-invasive treatment, has filled up the domestic blank that does not have external positioning navigation device at present.The present invention is simple in structure, and is with low cost, uses the present invention easy and simple to handle, and quick, accurate positioning is easy to popularize.
Description of drawings
Fig. 1 is the front view of structural representation of the present invention;
Fig. 2 is the vertical view of structural representation of the present invention;
Fig. 3 is the left view of structural representation of the present invention;
Fig. 4 is the target area zone coordinate example of the present invention on the CT sheet.
The specific embodiment
Consult Fig. 1, Fig. 2, shown in Figure 3, a kind of human body target direction micro trauma positioning and navigating bed frame, mainly be made of four parts such as positioning plate parts 10, resetting frame chi parts 20, scale member 30, guiding arc pivoted frame parts 40, wherein positioning plate parts 10 mainly comprise base plate 101, guiding T type chute 102, six location graticules 103,104,105,106, body fixed support 107 etc.; Its base plate 101 adopts carbon fiber to make, both sides respectively are provided with a guiding T type chute 102, stud with the localization criteria line that when CT scan, can develop in base plate 101 central authorities, six localization criteria lines by a centrage 104, about z value position line 105 and a positive negative wire 103 of two side position lines 106, two intersections form; About two side position lines 106 be parallel, parallel distance is 350mm, article two, side position line 106 equates to the distance of centrage 104, article two, z value position line 105 cross-shaped angles are 53 ° 08 ', centrage 104 is with its angle five equilibrium, this group echo line is " Magic triangle " shape and distributes, be that leg-of-mutton base length equals leg-of-mutton height, make on any CT image, can be by measuring the Z value that distance between 2 Z value telltale mark points obtains this CT layer, and the direction of Z value is determined by positive and negative line of direction; There is a positive negative wire 103 on the right of adjacent right edge position line 106, this line is not elongated, on one side but mind-set is made from base plate 101, purpose is a difference CT scan sheet human body head foot direction; Body fixed support 107 is fixed on the base plate 101, is used for fixing the two hip positions of human body, and is moving to prevent displacement body.
Resetting frame chi parts 20 mainly comprise frame chi 201, positioning needle 202 etc., three have graduated frame chi 201 both sides and are separately positioned in the guiding T type chute 102, and can on chute, slide, respectively be provided with the positioning needle 202 that a band scale is regulated on three edges of frame chi 201, the degree of depth of pin can be regulated as required.
Guiding arc pivoted frame parts 40 mainly comprise guide plate support 401, camber pivoted frame 402, litter 403, implant guide plate 404 etc., camber pivoted frame 402 is radius 350mm, the camber shape that radian is 110 °, be dynamic fit with X scale 303, can X scale 303 be that axle is done 180 ° of rotations, guide plate support 401 is installed on the camber pivoted frame 402, can on camber pivoted frame 402, slide, there is a litter 403 to be slidingly matched with it on the guide plate support 401, litter 403 the place aheads can be fixed respectively and implant guide plate 404 or puncture needle sleeve, be convenient to carry out various diagnosis and treatment, guide plate support 401 is angle with litter 403 and connects, to guarantee to make the center of the arc of sensing guiding all the time pivoted frames such as puncture needle.
A kind of method of using human body target direction micro trauma positioning and navigating bed frame in the human body outside fix, main described positioning and navigating bed frame of the present invention and the existing auxiliary facilities used: CT machine, computer, scanner, printer wait to be finished, the labelling that utilization is done on human body combines with positioning and navigating bed frame, by CT machine scanning human body and positioning and navigating bed frame, image is input to computer, obtains target area zone location or focus entity and the spatial position data of locating bedstead; Utilizing labelling and the positioning and navigating bed frame resetting of doing on the human body on the operation table once more, according to the data of computer output, the guiding arc pivoted frame on the operation positioning and navigating bed frame reaches the targeting navigation position, carries out targeted therapy or minimally-invasive treatment and inspection.Specifically comprise following operating procedure:
One, target area zone location
1. will have angle is 53 ° of 08 ' degree, the positioning plate 101 of the positioning and navigating bed frame of two cross-shaped z value position lines 105 is placed on the CT scan bed, by the scanner laser positioning line on the CT machine, adjust the position of positioning plate 101, make the plane of scanning motion pass through the graduation mark (as a left side+3, right+3) that the bilateral guiding T type chute 102 on the positioning plate 101 equates;
2. the patient lies in and reaches the comfortable steady statue of trying one's best on the positioning plate 101, and guarantees that focus is positioned at effective scale of base plate 101; Two hips are fixed record body fixed support 107 scales with body fixed support 107 at T type chute 102 frame chis;
3. adjust resetting frame chi 201 and arrive focus aspect on every side, record resetting frame chi 201 is in the calibration data of positioning plate 101 both sides T type chutes 102, adjust on the resetting frame chi 201 positioning needle 202 degree of depth that each band scale that is provided with is regulated on three edges again, make needle point just with contact skin (sides of body and top), under the sterilization situation, injecting a little methylene blue with the syringe that extracts methylene blue at location needle point and contact skin place marks, the scale position of record each positioning needle 202 this moment is finished body surface and is done several telltale mark points then;
4. the patient is sent into the CT scan district, find out the zone, target area;
5. carry out CT continuous sweep (according to focus size decision scanning slice 2-5 mm layer distance) around contiguous focus, select needed scanning aspect image after image to be scanned occurs, the center layer images will be indicated especially;
6. each layer of target region CT image is preserved in the mode of film or electronic graphics file, as localized objective basis;
7. localized relevant parameter is recorded in the positioning reporting.
Two. obtain the target coordinate spatial position data
1. determine zero: access the picture of center, target area aspect, zero is fixed on positioning plate 101 Center Line Markings 104 places, again horizontal axis is moved on two side position lines 106;
2. obtain target coordinate: in the CT sheet of target area is arranged, do vertical join line with coordinate axes from target spot, target spot is the Y coordinate figure of target spot relative localization base plate 101 to the collinear vertical dimension of X-axis, and target spot is the X coordinate figure of target spot relative localization base plate 101 to the horizontal range of centrage; The distance of measuring 105 of two Z value position lines is the Z coordinate figure of target spot relative localization base plate 101, and as shown in Figure 4 (X=26.3, Y=158.2, Z=71.25);
In every CT sheet that the target area arranged, all can find the respective coordinates of X, Y, Z, obtain the locus of target area relative localization base plate 101.
Three. resetting and targeting navigation
1. resetting: at first positioning plate 101 is put on the operation table when the patient need move to operating room and receives treatment, according to the parameters in the positioning reporting, the patient is positioned on the assigned position of location bedstead once more, the repeated positioning error should be less than 2mm;
After the patient lies on the positioning plate 101, resetting frame chi 201 is put on the positioning plate 101, the calibration data position of the T type chute 102 that posting chi 201 is positioned at write down when the patient does CT scan, after fixing posting chi 201, regulate the positioning needle 202 on three edges, this moment, the patient also will mobile slowly position, make needle point just with contact skin (body two sides and top) in advance with the methylene blue injection device place that marks, on inspection, data when making the scale position of each positioning needle 202 reach CT scan, tip alignment methylene blue mark, coordinate figure measured when the coordinate figure of target spot is with CT scan at this moment is consistent.
2. targeting navigation: according to a left side or the right side of target spot at centralized positioning line 104, decision Position Scale installed surface is (as the left side of focus at the centralized positioning line, then Position Scale is installed in the left side of positioning plate 101), press gained X, Y, the Z coordinate values is adjusted X scale 303 respectively, Y scale 301, mobile scale adapter 302, on T type chute 102, find Z value position, insert guide pin by the guide pin guide subsequently, then reach target position after arriving the degree of depth of stipulating, can carry out focus biopsy or particle then as required and implant, the supercool cutter, targeted therapies such as radio-frequency (RF) ablation.
Claims (8)
1. a human body target direction micro trauma positioning and navigating bed frame is characterized in that mainly being made of positioning plate parts (10), resetting frame chi parts (20), scale member (30), guiding arc pivoted frame parts (40); Two side frame chis (201) in the resetting frame chi parts (20) are slidingly connected in the guiding T type chute (102) of positioning plate parts (10) both sides, scale coupling (302) in the scale member (30) is fixed on the T type chute (102), and can go up at T type chute (102) and slide, camber pivoted frame (402) in the guiding arc pivoted frame parts (40) and the X scale (303) in the scale member (30) are dynamic fit.
2. human body target direction micro trauma positioning and navigating bed frame according to claim 1, base plate (101) both sides that it is characterized in that positioning plate parts (10) respectively are provided with a guiding T type chute (102), stud with six localization criteria lines in the central authorities, body fixed support (107) is fixed on the base plate (101).
3. human body target direction micro trauma positioning and navigating bed frame according to claim 1, it is characterized in that having of resetting frame chi parts (20) of graduated frame chi (201) is arranged in the guiding T type chute (102), respectively be provided with the positioning needle (202) that a band scale is regulated on three edges of frame chi (201).
4. human body target direction micro trauma positioning and navigating bed frame according to claim 1, it is characterized in that having of scale member (30) of graduated X scale (303), Y scale (301) at right angles connect, scale coupling (302) is fixed on the T type chute (102), and Y scale (301) cooperates connection with scale coupling (302) with dovetail groove.
5. human body target direction micro trauma positioning and navigating bed frame according to claim 1, the camber pivoted frame (402) of arc pivoted frame parts (40) of it is characterized in that leading is the camber shape, with X scale (303) movingly, guide plate support (401) is installed on the camber pivoted frame (402), guide plate support (401) and litter (403) movingly, litter (403) is provided with implants guide plate (404).
6. human body target direction micro trauma positioning and navigating bed frame according to claim 2, it is characterized in that six localization criteria lines comprise a centrage (104), about two parallel side position lines (106), two cross-shaped angles be 53 ° 08 ' z value position line (105), a positive negative wire (103).
7. human body target direction micro trauma positioning and navigating bed frame according to claim 5 is characterized in that guide plate support (401) is angle with litter (403) and connects.
8. human body target direction micro trauma positioning and navigating bed frame described in utilization such as the claim 1 is realized the method for human body outside fix, wherein also used the CT machine, computer, scanner, printer, it is characterized in that utilizing the labelling of on human body, doing to combine with positioning and navigating bed frame, by CT machine scanning human body and positioning and navigating bed frame, image is input to computer, focus is positioned at effective scale of base plate (101), record body fixed support (107) is finished area coordinate location, target area or focus entity and is operated with the spatial position data of location bedstead (101) at the scale of T type chute (102) frame chi; Utilize the labelling done on the human body and the positioning and navigating bed frame data according to computer output once more, stationary positioned frame (201) is regulated positioning needle (202), finishes resetting operation on the operation table; By X scale (303), Y scale (301), on T type chute (102), find Z value position, finish X, Y, Z coordinate values targeting navigation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021309728A CN1193714C (en) | 2002-09-23 | 2002-09-23 | Human body target direction micro trauma positioning and navigating bed frame and its positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021309728A CN1193714C (en) | 2002-09-23 | 2002-09-23 | Human body target direction micro trauma positioning and navigating bed frame and its positioning method |
Publications (2)
| Publication Number | Publication Date |
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| CN1408322A CN1408322A (en) | 2003-04-09 |
| CN1193714C true CN1193714C (en) | 2005-03-23 |
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| CNB021309728A Expired - Fee Related CN1193714C (en) | 2002-09-23 | 2002-09-23 | Human body target direction micro trauma positioning and navigating bed frame and its positioning method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420905B (en) * | 2004-04-14 | 2013-01-02 | 美国医软科技公司 | Lesion marking and characterization quality assurance method and system |
| US7976546B2 (en) * | 2006-08-04 | 2011-07-12 | Magrod, Llc | Magnetic targeting system for facilitating navigation |
| CN102727308A (en) * | 2011-04-01 | 2012-10-17 | 上海优益基医疗器械有限公司 | Positioning reference frame capable of being repeatedly mounted and dismounted used for surgery navigation system |
| US9402691B2 (en) * | 2014-09-16 | 2016-08-02 | X-Nav Technologies, LLC | System for determining and tracking movement during a medical procedure |
| CN108870045B (en) * | 2018-09-04 | 2020-08-14 | 安徽伟迈信息技术有限公司 | Cross adjusting seat |
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