CN108542475A - Portable percutaneous puncture positioning device and the localization method realized using the device - Google Patents
Portable percutaneous puncture positioning device and the localization method realized using the device Download PDFInfo
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- CN108542475A CN108542475A CN201810312383.4A CN201810312383A CN108542475A CN 108542475 A CN108542475 A CN 108542475A CN 201810312383 A CN201810312383 A CN 201810312383A CN 108542475 A CN108542475 A CN 108542475A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000004807 localization Effects 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 238000005481 NMR spectroscopy Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000000578 peripheral nerve Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 208000037816 tissue injury Diseases 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2065—Tracking using image or pattern recognition
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- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
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Abstract
Portable percutaneous puncture positioning device and the localization method realized using the device, the device includes positioning frame body, rotating member and calibration loop, the one end of positioning frame body offers arc groove, and is equipped with angle index in the circumferential direction of outside wall surface upper edge arc groove of the end and the outside wall surface of calibration loop；There are one positioning end and turning end, rotating member positioning end overlaps rotating member tool with the center of circle of arc groove, the power unit for driving the rotation of rotating member positioning end is equipped in positioning frame body, rotating member being capable of moving radially along arc groove；One end of calibration loop is connect with rotating member, and plane is vertical with plane where the end of positioning frame body where making calibration loop, and guide pad is connected on calibration loop, and guide pad is equipped with the pilot hole for wearing puncture needle, and the central shaft of pilot hole is directed toward the center of circle of arc groove.The present invention provides it is a kind of it is simple in structure, it is easy disinfection, guide device at low cost, the device is easy to operate, and positioning time is shorter, reduces the amount of radiation of patient and patient.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of Portable percutaneous puncture positioning device and using should
The localization method that device is realized.
Background technology
With the theory constantly improve of vertebral column minimally invasive surgery, the continuous development of minimal invasive techniques, the subject is already from minimally invasive side
To gradually moving towards precision, digitlization, intelligence.Modern vertebral column minimally invasive disciplines of surgery is defined as goalkeeper's number by many scholars
Word, intelligence, airmanship, endoscopic technic etc. are melted into the interdisciplinary study of spinal surgery.It is identical as open surgery, minimally invasive spine surgical
By using one or more small notch or puncture channel, with special instrument and device, under image instrument monitoring
Or the lower completion of airmanship guiding punctures.Compared with traditional technology, have a clear superiority：Notch is small, tissue injury is small, bleeding
Less, manipulation accuracy is high, postoperative function restores fast, the period of being hospitalized is short etc..
Currently, the common airmanship that punctures is divided into three kinds, the first is doctor's whole process with rich experiences in perspective
In the case of adjustment puncture angle complete；Second is to utilize mainframe computer digital navigation robot device；The third is utilization
Backbone positioning device.These devices respectively have shortcoming, the first patient need to be experienced doctor, also, be needed in art more
Secondary Fluoroscopy location adjusts direction, angle and the depth of puncture needle, could obtain satisfied point of puncture and puncture path, and art
Person, when adjusting localised puncture direction, can stimulate peripheral nerve and vascular tissue according to feel, it is most important that, repeatedly perspective increases
The amount of radiation of patient and patient are added；Second of needs huge sum of money purchases large scale equipment, is difficult to carry out for most hospitals；
The third backbone positioning device is to be improved in Clinical feasibility and navigation accuracy and big at present all in the exploratory stage
Most equipment are larger, are not easy to sterilize, and need to obtain puncture angle and depth indirectly according to the conversion of measured value formula, because of patient
It is mobile and when causing to change puncture position, need to readjust parameter, relative increase operating time, amount of bleeding and infection risk
Deng.
Invention content
The positioning side realized the object of the present invention is to provide a kind of Portable percutaneous puncture positioning device and using the device
Method, the apparatus structure is simple, and the positioning time of the device is shorter, reduces the amount of radiation of patient and patient.
Present invention technical solution used for the above purpose is：Portable percutaneous puncture positioning device, the device
Including positioning frame body, rotating member and calibration loop, the one end of positioning frame body offers arc groove, and the positioning frame body end is outer
Wall surface upper edge arc groove is circumferentially with angle index；There are one positioning end and turning end for rotating member tool, wherein rotating member is determined
Position end overlaps setting with the center of circle of arc groove, and the power list that the positioning end of rotating member rotates can be driven by being equipped in positioning frame body
The turning end of member, rotating member is limited in arc groove, enables rotating member moving radially along arc groove；The outer wall of calibration loop
It is circumferentially with angle index to face upper edge, and one end of calibration loop is connect with rotating member, makes plane where calibration loop and is equipped with
Plane where the end of the positioning frame body of arc groove is mutually perpendicular to, and guide pad, guide pad are slidably connected on calibration loop
It is equipped with the pilot hole for wearing puncture needle, the central shaft of pilot hole is directed toward the center of circle of arc groove always.
Wherein, the power unit includes the sector gear of external toothing setting and complete gear, sector teeth number
More than the number of teeth of complete gear, the center of rotation of sector gear is fixedly connected by rotation axis with the positioning end of rotating member, completely
The center of rotation of gear is connected with handle, and one end of handle is mounted on by bearing on the internal face of positioning frame body.
Wherein, the turning end of rotating member is connected with limited post, limited post stretch into arc groove and with arc groove clearance fit,
The nut and gasket for preventing limited post from deviating from from arc groove are arranged on the limited post inside positioning frame body.
In the present invention, the calibration loop includes two arc plates disposed in parallel, and the guide pad is flat by two
The movable plate of row setting and the U-shaped structure constituted for connecting the connecting plate of two movable plates, two movable plates are slidably matched
It is connected on two arc plates, one end of two arc plates is fixedly connected with rotating member, and the other end of two arc plates is by setting
There is the limiting plate for preventing guide pad from deviating from from calibration loop to be fixedly connected.
Further, the pilot hole is opened on connecting plate；The rotating member is straight-bar structure, and rotating member
Positioning end is arcuate structure, and the extreme lower position of arcuate structure overlaps setting with the center of circle of arc groove.
Wherein, the center of circle of arc groove is located on the arris of end of the positioning frame body equipped with arc groove.
In the present invention, the positioning frame body includes an inside casing and two outline borders being set in outside inside casing, inside casing
It is made of bottom plate and two interior plates for being vertically connected on bottom plate opposite sides, two outline borders are by two outer panels and company
Connect the framework of the U-shaped structure of the sealing plate composition of two outer panels, the interior plate that two outline borders pass through respective outer panel and inside casing
Sliding connection；The rotating member and calibration loop is connected on the sealing plate of one of outline border.
Further, the outer bottom face of bottom plate of bottom face and inside casing of the outer panel of two outline borders is concordant, and on bottom plate
Offer the guide groove of several and the perpendicular setting of interior plate.
Further, several location holes, and the location hole on the same interior plate are equipped on each interior plate
Uniform intervals are arranged, and locating slot are equipped on the outer panel of each outline border, outer panel is with interior plate by passing through locating slot and determining
The bolt in position hole is connected.
The localization method realized using the Portable percutaneous puncture positioning device, is included the following steps：
Step 1: according to x-ray, CT or nuclear magnetic resonance image check image, corresponding target area site location is found out, that is, is needed
The target area position of processing；Then in nuclear magnetic resonance image check image, the shaft-like position level at target area position is filtered out
Image and corresponding sagittal image；
Step 2: the spinous points at target area position are found out on the shaft-like position layer images screened, and in the shaft-like screened
Puncture path is drawn on the layer images of position, is labeled as r, which crosses with face where the skin on shaft-like bit image
Point is labeled as O1；By O1The vertical line in face where making the skin on shaft-like bit image, is labeled as H1；H1With on shaft-like bit image
The angle punctured between inserting needle direction, be labeled as β1；It hangs down in face where making the skin on shaft-like bit image by the spinous points
Straight line is labeled as H2, H1With H2The distance between, it is labeled as D1；
Step 3: according to the shaft-like bit image of step 2, its corresponding nuclear magnetic resonance image scholar body sagittal bitmap images is found out,
The level line for making above-mentioned shaft-like bit image is found out on sagittal bitmap images, is labeled as a；And on sagittal bitmap images
The spinous process of two centrums in target area is found out, and the projection in face where making skin of two spinous process on sagittal bitmap images, point
Biao Ji not be1、G2, G is drawn on sagittal bitmap images1And G2Connecting line, be labeled as b；The crosspoint of line b and line a, label
For O2；O2With G2The distance between be labeled as D2；By O2Make the vertical line of line b, is labeled as c, the angle between line c and line a, mark
It is denoted as β2；
Step 4: the angle beta determined according to step 21, adjust the position of guide pad on calibration loop, make the central shaft of pilot hole with
Angle between the center of circle of arc groove is β1；
Step 5: the angle beta determined according to step 32, the position of the rotating member of adjustment positioning frame body end makes rotating member and circle
Angle between the center of circle of arc slot is β2；Wherein, using the complete gear and sector gear of engagement setting, realize calibration loop fixed
The fine tuning of rotational angle on the frame end of position.
Spinous points described in step 2 of the present invention refer to nearest position of the level spinous process apart from face where skin；It is general and
Speech, the vertical line in face where making the skin on shaft-like bit image by the spinous points are the central axes of the centrum.The present invention walks
Spinous process in rapid three is the spinous process of the centrum on conventional meaning, that is, refers to the thorn-like in vertebra neural arch center or the back protuberance of scute shape
Part.
Advantageous effect：The present invention provides a kind of reasonable design, simple in structure, easy disinfection, punctures at low cost, easily universal
Guider, the device is easy to operate, shortens patient's learning curve, and positioning time is shorter, reduces the spoke of patient and patient
The amount of penetrating.It is widely used, it can be used for puncturing the localised puncture of interverbebral disc and the radio frequency of interverbebral disc, it may also be used for spine pedicle screws
Implantation positioning；By the measurement of image, it is accurately positioned navigation, increases puncture accuracy；The device volume is small, prevents take up operation
Platform too large space, and easily disinfection.
Description of the drawings
Fig. 1 and Fig. 2 is the structural schematic diagram of the present invention；
Fig. 3 is the schematic diagram of calibration loop and rotating member in Fig. 1；
Fig. 4 is Fig. 2 front views；
Fig. 5 is the schematic diagram of one of outline border in Fig. 2；
Fig. 6 is the topology view in the other directions Fig. 5；
Fig. 7 is the right view of Fig. 5；
Fig. 8 is the left view of Fig. 5；
Fig. 9 is the label result figure on shaft-like bit image；
Figure 10 is the label result figure on sagittal bitmap images.
Reference numeral：1, positioning frame body；2, inside casing, 200, bottom plate, 201, interior plate, 202, location hole, 203, guide groove,
204, bar-shaped trough；3, outline border, 300, outer panel, 301, sealing plate, 302, locating slot, 303, bolt；4, rotating member, 400, limit
Column, 401 nuts, 402, gasket, 403, positioning end, 404, turning end；5, calibration loop, 500, arc plate, 501, limiting plate；6, circle
Arc slot, 7, guide pad, 700, movable plate, 701, connecting plate, 8, pilot hole, 9, sector gear, 10, complete gear, 11, rotation
Axis, 12, handle, 13, screw.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
Portable percutaneous puncture positioning device, as shown in figure 4, the device includes positioning frame body 1, rotating member 4 and calibration loop
5, as depicted in figs. 1 and 2, the one end of positioning frame body 1 offers arc groove 6, and the outside wall surface upper edge of 1 end of positioning frame body
Arc groove 6 is circumferentially with angle index.
Wherein, positioning frame body 1 includes an inside casing 2 and two outline borders 3 being set in outside inside casing 2, and inside casing 2 is by bottom plate
200 form with two interior plates 201 for being vertically connected on 200 opposite sides of bottom plate, and each outline border 3 is by two outer panels
300 and the framework of the U-shaped structure that the sealing plates 301 of two outer panels 300 forms is connected, two outline borders 3 pass through respective outside
Plate 300 and the interior plate 201 of inside casing 2 are slidably connected, and specific implementation form can be：In the outside wall surface of two interior plates
Equipped with sliding rail, it is equipped on the internal face of four outer panels of two outline borders and coordinates the sliding slot being slidably connected with sliding rail；The sliding
Mating connection can also use other conventionally known sliding connection structures.Positioning frame body 1 includes an inside casing 2 and is set in
Drawable two outline borders 3 outside inside casing 2, since human body back unilateral side has small radian, it is however generally that, the left and right sides is pair
Claim, after device pumping is opened, where being contacted with the human body back left and right sides in plane and nuclear magnetic resonance image check image
Face where skin matches.
The bottom face of the outer panel 300 of two outline borders 3 is concordant with the outer bottom face of bottom plate 200 of inside casing 2, and bottom plate 200
On offer the guide grooves 203 of several and 201 perpendicular setting of interior plate.Guide groove 203 can be used as when positioning and position spine
Prominent reference line ensures face E where the skin in guide groove 203 and Figure 10 on sagittal bitmap images2Vertical line be overlap.
Wherein, bar-shaped trough 204 is further opened on bottom plate 200, bar-shaped trough 204 is mutually perpendicular to guide groove 203, and bar-shaped trough 204 prolongs
Stretch the center of circle for the arc groove 6 that line can pass through on sealing plate 301.
Several location holes 202, and the location hole on the same interior plate 201 are equipped on each interior plate 201
202 uniform intervals are arranged, and the center of each location hole 202 is located along the same line；It is equipped on the outer panel 300 of each outline border 3
Locating slot 302, outer panel 300 is with interior plate 201 by being connected across the bolt 303 of locating slot 302 and location hole 202.Its
In, the center line of locating slot 302 and the straight line by the center of each location hole 202 coincide setting.
Preferably, the lower part of the outside wall surface of two interior plates, 201, four outer panels 300 is equipped with length scale line, is convenient for
When using the device, length is measured using the length scale line of positioning frame body, without in addition purchasing other devices.
Wherein, rotating member 4 and calibration loop 5 are connected on the sealing plate 301 of one of outline border 3.Preferably, the top of inside casing
Equipped with dismountable transparency cover（It is not shown in figure）, it is conducive to safe operation.
As shown in Figure 1, Figure 2 and Figure 3, there are one positioning end 403 and turning end 404 for the tool of rotating member 4, wherein rotating member 4
Positioning end 403 overlaps setting with the center of circle of arc groove 6, and being equipped in positioning frame body 1 can drive the positioning end of rotating member 4 to rotate
The turning end 404 of power unit, rotating member 4 is limited in arc groove 6, and rotating member 4 is enable to be moved along the radial direction of arc groove 6
It is dynamic.
Specific implementation form is：As shown in Figure 5 and Figure 6, the turning end 404 of rotating member 4 is connected with limited post 400, limit
Column 400 stretch into arc groove 6 and with 6 clearance fit of arc groove, be arranged on the limited post 400 inside positioning frame body 1 anti-
The nut 401 and gasket 402 that only limited post 400 is deviate from from arc groove 6.
Wherein, the outside wall surface upper edge of calibration loop 5 its be circumferentially with angle index, and one end of calibration loop 5 connects with rotating member 4
It connects, the plane where making calibration loop 5 is mutually perpendicular to the plane where the end of the positioning frame body 1 equipped with arc groove 6, such as Fig. 3
It is shown, guide pad 7 is slidably connected on calibration loop 5, guide pad 7 is equipped with the pilot hole 8 for wearing puncture needle, is oriented to
The central shaft in hole 8 is directed toward the center of circle of arc groove 6 always.Wherein, guide pad 7 is equipped with mounting hole, as shown in figure 5, the mounting hole
Screw 13 is inside installed, by tightening screw 13, makes the end abutment of screw 13 on calibration loop 5, realizes that the positioning of guide pad 7 is solid
It is scheduled on calibration loop 5.
As shown in figure 3, calibration loop 5 includes two arc plates 500 disposed in parallel, the guide pad 7 is flat by two
The movable plate 700 of row setting and the U-shaped structure constituted for connecting the connecting plate 701 of two movable plates 700, two movable plates
700 sliding connections are on two arc plates 500, and one end of two arc plates 500 is fixedly connected with rotating member 4, two circles
The other end of arc plate 500 is fixedly connected by limiting plate 501, and limiting plate 501 prevents guide pad 7 from deviating from from calibration loop 5.Lead
Mounting hole on block 7 is located on movable plate 700, and screw 13 is threaded through on movable plate 700；Pilot hole 8 is opened in connecting plate 701
On.
Preferably, rotating member 4 is straight-bar structure, and the positioning end 403 of rotating member 4 is arcuate structure, and arcuate structure is most
Lower position overlaps setting with the center of circle of arc groove 6.
Preferably, as shown in fig. 7, the center of circle of arc groove 6 is located at the arris of end of the positioning frame body 1 equipped with arc groove 6
On, i.e., the center of circle of arc groove 6 is located on the arris of sealing plate 301.It, should be in the base for ensureing using effect in the actual fabrication device
On plinth, keep the diameter of rotation axis 11 small as far as possible, is defaulted as the center of rotation axis i.e. on the arris of the lower part of sealing plate.
In the present invention, as shown in Fig. 5, Fig. 6 and Fig. 9, power unit includes the sector gear 9 of external toothing setting and complete tooth
Wheel 10, the number of teeth of sector gear 9 are more than the number of teeth of complete gear 10, and the center of rotation of sector gear 9 by rotation axis 11 and turns
The positioning end of moving part 4 is fixedly connected, and the center of rotation of complete gear 10 is connected with handle 12, and one end of handle 12 is pacified by bearing
On the internal face of the sealing plate 301 of positioning frame body 1.Preferably, it is equipped on the flank of tooth of sector gear and complete gear several
A lightening hole（It is not shown in figure）, the weight of gear can be reduced, it is easy to operation.
The present invention is using image as object, by positioning on the image, and then obtains objective, accurate position location, the party
Method is used for non-treatment purpose.
Localization method, that is, the application method realized using the Portable percutaneous puncture positioning device of the present invention, including following step
Suddenly：
Step 1: on x-ray, CT or nuclear magnetic resonance image scholar's body shaft-like bit image, the image is as shown in figure 9, find out corresponding
Target area site location；Then in nuclear magnetic resonance image check image, the shaft-like position level at target area position is filtered out
Image and corresponding sagittal image；
Step 2: the spinous points at target area position are found out on the shaft-like position layer images screened, and in the shaft-like screened
Puncture path is drawn on the layer images of position, is labeled as r, the puncture path and face E where the skin on shaft-like bit image1Cross
Point is labeled as O1；
By O1Face E where making the skin on shaft-like bit image1Vertical line, be labeled as H1；
H1The angle punctured between inserting needle direction on shaft-like bit image, is labeled as β1；
Face E where making the skin on shaft-like bit image by the spinous points1Vertical line, be labeled as H2；
H1With H2The distance between, it is labeled as D1；The results are shown in Figure 9 for label；
Step 3: according to the shaft-like bit image of step 2, its corresponding nuclear magnetic resonance image scholar body sagittal bitmap images is found out,
The image is as shown in Figure 10, in Fig. 10, is illustrated by taking two lumbar vertebras of L4, L5 as an example, and thoracic vertebrae, cervical vertebra are with reference to lumbar vertebrae vertebra
Body.
The level line for making above-mentioned shaft-like bit image is found out on sagittal bitmap images, is labeled as a；And in sagittal plain
The spinous process of two centrums in target area is found out on figure image, and makes face E where skin of two spinous process on sagittal bitmap images2
Projection, be respectively labeled as G1、G2, G is drawn on sagittal bitmap images1And G2Connecting line, be labeled as b；
The crosspoint of line b and line a are labeled as O2；O2With G2The distance between be labeled as D2；
By O2Make the vertical line of line b, be labeled as c, the angle between line c and line a is labeled as β2；Mark result such as Figure 10 institutes
Show；
Step 4: the angle beta determined according to step 21, adjust the position of guide pad on calibration loop, make the central shaft of pilot hole with
Angle between the center of circle of arc groove is β1；
Step 5: the angle beta determined according to step 32, the position of the rotating member of adjustment positioning frame body end makes rotating member and circle
Angle between the center of circle of arc slot is β2；Wherein, using the complete gear and sector gear of engagement setting, realize calibration loop fixed
The fine tuning of rotational angle on the frame end of position.
Portable percutaneous puncture positioning device of the present invention is the device positioned for percutaneous spinal puncture.Making x-ray, CT
Or when nuclear magnetic resonance image scholar's body shaft-like bit image, patient need to be made to take prone position, orient the upper vertebra of illness level using C arms
Body spinous process and the next centrum spinous process, bow pen marks spinous process line and its vertical center line, and wire is placed in two lines,
C arms position observation is utilized again and adjusts wire, is made spinous process perspective point on wire perspective ray, is crossed again with bow pen
Mark relevant position.
When in use, using the spinous process of neighbouring centrum as standard, the variation of position of human body by a small margin does not interfere with the device
Variation to neighbouring spinous process position makes accurate positioning into the position location without influencing the device of the invention.Meanwhile posting
Body is equipped with length scale, positioning frame body can be made to be used as scale.The complete gear and sector that the present invention is arranged using engagement
Wheel, can realize the fine tuning of rotational angle of the calibration loop on sealing plate, keep position location more accurate.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also can be indirectly connected through an intermediary the connection inside two elements to be to be connected directly.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with regard to concrete condition.
The person that is not specified actual conditions in embodiment, carries out according to normal condition.
Above example is in order to illustrate technical scheme of the present invention, and the purpose is to be to enable those skilled in the art
Understand present disclosure and be practiced, but is not limited the scope of the invention with this.Every reality according to the present invention
The equivalent changes or modifications that matter content is made should all cover within the scope of the present invention.
Claims (10)
1. Portable percutaneous puncture positioning device, it is characterised in that：The device includes positioning frame body, rotating member and calibration loop, is determined
The one end of position framework offers arc groove, and the angle that is circumferentially with of the outside wall surface upper edge arc groove of the positioning frame body end is carved
Degree；There are one positioning end and turning end for rotating member tool, wherein the positioning end of rotating member overlaps setting with the center of circle of arc groove, fixed
Being equipped in the framework of position can drive the power unit that the positioning end of rotating member rotates, the turning end of rotating member to be limited in arc groove
It is interior, enable rotating member moving radially along arc groove；The outside wall surface upper edge of calibration loop its be circumferentially with angle index, and scale
One end of ring is connect with rotating member, makes plane of the plane where with the end of the positioning frame body equipped with arc groove where calibration loop
It is mutually perpendicular to, guide pad is slidably connected on calibration loop, guide pad is equipped with the pilot hole for wearing puncture needle, is oriented to
The central shaft in hole is directed toward the center of circle of arc groove always.
2. Portable percutaneous puncture positioning device as described in claim 1, it is characterised in that：The power unit includes outer
The sector gear of setting and complete gear are engaged, sector teeth number is more than the number of teeth of complete gear, the rotation of sector gear
It being fixedly connected with the positioning end of rotating member centrally through rotation axis, the center of rotation of complete gear is connected with handle, and the one of handle
End is mounted on by bearing on the internal face of positioning frame body.
3. Portable percutaneous puncture positioning device as described in claim 1, it is characterised in that：The turning end of rotating member is connected with
Limited post, limited post stretch into arc groove and with arc groove clearance fit, be arranged on the limited post inside positioning frame body
Prevent the nut and gasket that limited post is deviate from from arc groove.
4. Portable percutaneous puncture positioning device as described in claim 1, it is characterised in that：The calibration loop includes parallel
Two arc plates being arranged, the guide pad are by two movable plates disposed in parallel and for connecting two movable plates
The U-shaped structure that connecting plate is constituted, the sliding connection of two movable plates on two arc plates, one end of two arc plates with turn
Moving part is fixedly connected, and the other end of two arc plates equipped with the limiting plate for preventing guide pad from deviating from from calibration loop by fixing company
It connects.
5. Portable percutaneous puncture positioning device as claimed in claim 4, it is characterised in that：The pilot hole is opened in company
On fishplate bar；The rotating member be straight-bar structure, and the positioning end of rotating member be arcuate structure, the extreme lower position of arcuate structure with
The center of circle of arc groove overlaps setting.
6. the Portable percutaneous puncture positioning device as described in claim 1 or 5, it is characterised in that：The center of circle of arc groove is located at
Positioning frame body is equipped on the arris of the end of arc groove.
7. Portable percutaneous puncture positioning device as described in claim 1, it is characterised in that：The positioning frame body includes one
A inside casing and two outline borders being set in outside inside casing, inside casing is by bottom plate and is vertically connected in two of bottom plate opposite sides
Side plate forms, and two outline borders are the framework for the U-shaped structure being made of the sealing plate of two outer panels of two outer panels and connection,
Two outline borders are slidably connected by the interior plate of respective outer panel and inside casing；The rotating member and calibration loop is connected to
On the sealing plate of one of outline border.
8. Portable percutaneous puncture positioning device as claimed in claim 7, it is characterised in that：The bottom of the outer panel of two outline borders
End face is concordant with the outer bottom face of the bottom plate of inside casing, and the guiding of several and the perpendicular setting of interior plate is offered on bottom plate
Slot.
9. Portable percutaneous puncture positioning device as claimed in claim 7, it is characterised in that：If being equipped on each interior plate
Dry location hole, and the location hole uniform intervals on the same interior plate are arranged, and are equipped on the outer panel of each outline border
Locating slot, outer panel is with interior plate by being connected across the bolt of locating slot and location hole.
10. the localization method realized using Portable percutaneous puncture positioning device as described in claim 1, which is characterized in that
Include the following steps：
Step 1: according to x-ray, CT or nuclear magnetic resonance image check image, corresponding target area site location is found out；Then exist
In nuclear magnetic resonance image check image, the shaft-like position layer images at target area position and corresponding sagittal bitmap are filtered out
Picture；
Step 2: the spinous points at target area position are found out on the shaft-like position layer images screened, and in the shaft-like screened
Puncture path is drawn on the layer images of position, is labeled as r, which crosses with face where the skin on shaft-like bit image
Point is labeled as O1；By O1The vertical line in face where making the skin on shaft-like bit image, is labeled as H1；H1With on shaft-like bit image
The angle punctured between inserting needle direction, be labeled as β1；It hangs down in face where making the skin on shaft-like bit image by the spinous points
Straight line is labeled as H2, H1With H2The distance between, it is labeled as D1；
Step 3: according to the shaft-like bit image of step 2, its corresponding nuclear magnetic resonance image scholar body sagittal bitmap images is found out,
The level line for making above-mentioned shaft-like bit image is found out on sagittal bitmap images, is labeled as a；And on sagittal bitmap images
The spinous process of two centrums in target area is found out, and the projection in face where making skin of two spinous process on sagittal bitmap images, point
Biao Ji not be1、G2, G is drawn on sagittal bitmap images1And G2Connecting line, be labeled as b；The crosspoint of line b and line a, label
For O2；O2With G2The distance between be labeled as D2；By O2Make the vertical line of line b, is labeled as c, the angle between line c and line a, mark
It is denoted as β2；
Step 4: the angle beta determined according to step 21, adjust the position of guide pad on calibration loop, make the central shaft of pilot hole with
Angle between the center of circle of arc groove is β1；
Step 5: the angle beta determined according to step 32, the position of the rotating member of adjustment positioning frame body end makes rotating member and circle
Angle between the center of circle of arc slot is β2；Wherein, using the complete gear and sector gear of engagement setting, realize calibration loop fixed
The fine tuning of rotational angle on the frame end of position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810312383.4A CN108542475B (en) | 2018-04-09 | 2018-04-09 | Portable percutaneous puncture positioning device and positioning method realized by using same |
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|---|---|---|---|
| CN201810312383.4A CN108542475B (en) | 2018-04-09 | 2018-04-09 | Portable percutaneous puncture positioning device and positioning method realized by using same |
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| CN108542475B CN108542475B (en) | 2023-12-26 |
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| CN110236656A (en) * | 2019-07-22 | 2019-09-17 | 李禄鑫 | A kind of fixation device for assisting coaxial sleeve needle to adjust the angle |
| CN110236657A (en) * | 2019-07-24 | 2019-09-17 | 南阳市中心医院 | A kind of disposable thyroid needle device positioning device |
| CN113367780A (en) * | 2021-06-21 | 2021-09-10 | 南通大学附属医院 | Spinal surgery positioning and guiding system with positioning and guiding functions |
| CN108542475B (en) * | 2018-04-09 | 2023-12-26 | 贾志强 | Portable percutaneous puncture positioning device and positioning method realized by using same |
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| CN108542475B (en) * | 2018-04-09 | 2023-12-26 | 贾志强 | Portable percutaneous puncture positioning device and positioning method realized by using same |
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| CN110236657A (en) * | 2019-07-24 | 2019-09-17 | 南阳市中心医院 | A kind of disposable thyroid needle device positioning device |
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| CN113367780A (en) * | 2021-06-21 | 2021-09-10 | 南通大学附属医院 | Spinal surgery positioning and guiding system with positioning and guiding functions |
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