CN108969087A - For in tumour ablation art multi-angle probe positioning and needle gap measuring device - Google Patents
For in tumour ablation art multi-angle probe positioning and needle gap measuring device Download PDFInfo
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
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- A61B18/14—Probes or electrodes therefor
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- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
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Abstract
The present invention relates to a kind of multi-angle probe positioning in tumour ablation art and needle gap measuring devices, comprising: centralized positioning disk；First annual disk, the first annual disk is with one heart and spacer sleeve is loaded on the periphery of centralized positioning disk and cooperatively forms first annular track；At least two first positioning rings, at least two first positioning rings are movably arranged in first annular track and can making centripetal rotation around centralized positioning disk；And ruler in first, ruler with one heart and is stacked on centralized positioning disk in first, and in first ruler be equipped in first positioning identifier and with first in positioning identifier circumferentially spaced at least two first number identify.The present apparatus can carry out auxiliary positioning by the puncture position to multiple ablation probes in advance, ensure to puncture accuracy, body surface, which is fixed, to be realized to the ablation probe after the completion of puncture simultaneously, prevent the probability of happening of complication caused by ablation probe accidental movement from increasing, it can be realized the accurate inserting needle of multi-direction multi-angle, using flexible.
Description
Technical field
The present invention relates to percutaneous tumour ablation technical fields, more particularly to a kind of multi-angle in tumour ablation art
Probe positioning and needle gap measuring device.
Background technique
Tumour ablation is to utilize heat or the biology of cold generation for specific one in a certain internal organs or multiple tumor focus
It learns effect and directly results in that irreversible damage occurs for the tumour cell in lesion tissue or a kind of of coagulation necrosis precisely minimally invasive controls
Treatment technology.The treatment method mainly by ablation probe, enters in target tissue to disappear under CT guidance by skin Direct perforantes
Melt.
During ablation probe punctures tumour, to seek precise positioning, generally require repeatedly to adjust spy under ct guidance
Pin position, in the process, patient respiratory and CT scan process may cause the movement of probe, deviate scheduled ablation target
Area, to influence ablation effect.Secondly, accidental movement of the ablation probe in art may also lead to probe insertion tumour periphery it is big
Blood vessel, nerve or other organs increase the incidence of complication.And in current clinical manipulation, generally by doctor's hand
Operation inserting needle is held, needle angle and direction are single, and it can not be useful in multi-direction multi-angle and puncture in the ablative surgery of inserting needle, thus
There is biggish limitation using upper.
Summary of the invention
Based on this, it is necessary to provide a kind of multi-angle probe positioning in tumour ablation art and needle distance measurement dress
It sets, auxiliary positioning can be carried out by the puncture position to the required multiple ablation probes used in advance, it is ensured that the puncture of ablation probe
Accuracy promotes the efficiency of puncture procedure, while realizing that body surface is fixed to the ablation probe after the completion of puncture, prevents ablation probe
The probability of happening of complication increases caused by accidental movement, and can be realized the accurate inserting needle of multi-direction multi-angle, uses
It is flexibly convenient, it is applied widely.
Its technical solution is as follows:
A kind of positioning of multi-angle probe and needle gap measuring device in tumour ablation art, comprising:
Centralized positioning disk；
First annual disk, first annual disk is with one heart and spacer sleeve is loaded on the periphery of the centralized positioning disk and cooperates
Form first annular track；
At least two first positioning rings, at least two first positioning rings are movably arranged in the first annular track
It is interior and centripetal rotation can be made around the centralized positioning disk, and first positioning ring includes positioning seat and swingable is set to
Positioning pipe on the positioning seat；Ruler in first, ruler with one heart and is stacked on the centralized positioning disk in described first, and
In described first ruler be equipped with first in positioning identifier and with described first in positioning identifier circumferentially spaced at least two
Number mark in a first；Wherein, at least there are two number marks in described first to refer to different needle spacing sizes.
The inserting needle that above-mentioned apparatus is mainly used for carrying out multi-angle to ablation probe in the operation of percutaneous tumour ablation positions solid
Determine and the spacing of ablation probe is measured simultaneously.When specifically used, use needed for first being pre-estimated out according to ablation plan
Distance values between the quantity of the ablation probe arrived, needle angle, position and ablation probe；And then, by one of them
One positioning ring makees centripetal rotation around centralized positioning disk along first annular track, and most terminates and be parked in the first of the outer ruler of center ring
The place of positioning identifier face, and swing positioning pipe on positioning seat, thus meet the needle angle of first ablation probe, by
This can determine the contact pin position of root ablation probe headed by first positioning ring；It will previously structure the formation again later and plan determining needle spacing
Value, at least another first positioning surrounding centralized positioning disk in the first annular track is made into centripetal rotation and only stop to
In first ruler it is first first corresponding at digital mark, later swung positioning pipe relative positioning seat, from meeting the
Thus the needle angle of two ablation probes can determine the contact pin position of second ablation probe, and so on.Make when to required
After the position adjustment of first positioning ring of ablation probe corresponding number finishes, device can be integrally placed into patient's art
Area's skin surface, ablation probe is passed sequentially through can perform the operation in the first pre-adjusted positioning ring insertion body.It compares
In the prior art, the present apparatus can carry out auxiliary positioning by the puncture position to the required multiple ablation probes used in advance, it is ensured that
The puncture accuracy of ablation probe promotes the efficiency of puncture procedure, while realizing that body surface is solid to the ablation probe after the completion of puncture
It is fixed, the probability of happening increase of complication caused by ablation probe accidental movement is prevented, safety and postoperative effect in art are influenced
The problem of occur, and by swing of the positioning pipe on positioning seat it is adjustable, additionally it is possible to realize multi-direction multi-angle it is accurate into
Needle, using flexible is convenient, applied widely.
The technical solution of the application is further described below:
In one of the embodiments, at least there are two number in described first identify corresponding needle spacing size it is identical,
And spacing mark group in one first is constituted, and the number mark etc. in two described first of spacing mark group in described first
Away from the two sides for being laid in positioning identifier in described first.
It in one of the embodiments, further include the first outer ruler, ruler, the second annual disk and at least two described in second
Two positioning rings, second annual disk is with one heart and spacer sleeve is loaded on the periphery of first annual disk and cooperatively forms the second ring
Shape track, the same surface for being stacked at first annual disk with one heart of ruler from the inside to the outside in the first outer ruler and described second
On, at least two second positioning rings are movably arranged in second circular orbit and can surrounding the centralized positioning
Disk makees centripetal rotation；Positioning mark in the first outer positioning identifier or second is respectively equipped in the first outer ruler and described second on ruler
Know, and is counted with outside positioning identifier circumferentially spaced at least two described first in the described first outer positioning identifier or second
Number mark in word mark or second；Wherein, number mark refers to not at least two described first outer number marks or second
Same needle spacing size.
In one of the embodiments, at least there are two the described first outer number identify corresponding needle spacing size it is identical,
And a first olo mark group is constituted, for measuring the spacing of positioning ring on two siding track of annual disk of the same name, and this is described
The outer number mark of two described first of first olo mark group is equidistantly laid in the two sides of the described first outer positioning identifier.
In one of the embodiments, at least there are two number in described second identify corresponding needle spacing size it is identical,
And spacing mark group in one second is constituted, for measuring the spacing of positioning ring on track of the same name, and the spacing in described second
Number mark is equidistantly laid in the two sides of positioning identifier in described second in two described second of mark group.
It in one of the embodiments, further include the second outer ruler, ruler, third annual disk and at least two thirds in third
Positioning ring, the third annual disk is with one heart and spacer sleeve is loaded on the periphery of second annual disk and cooperatively forms third annular
Track, the same surface for being stacked at second annual disk with one heart of ruler from the inside to the outside in the second outer ruler and the third
On, at least two third positioning rings are movably arranged in the third circular orbit and can surrounding the centralized positioning
Disk makees centripetal rotation；Positioning mark in the second outer positioning identifier or third is equipped in the second outer ruler and the third on ruler
Know, and is counted with outside positioning identifier circumferentially spaced at least two described second in the described second outer positioning identifier or third
Number mark in word mark or third；Wherein, number mark refers to not at least two described second outer number marks or third
Same needle spacing size.
In one of the embodiments, at least there are two the described second outer number identify corresponding needle spacing size it is identical,
And a second olo mark group is constituted, for measuring the spacing of positioning ring on two siding track of annual disk of the same name, and this is described
The outer number mark of two described second of second olo mark group is equidistantly laid in the two sides of the described second outer positioning identifier.
In one of the embodiments, at least there are two number in the third identify corresponding needle spacing size it is identical,
And spacing mark group in a third is constituted, for measuring the spacing of positioning ring on track of the same name, and spacing in the third
Number mark is equidistantly laid in the two sides of positioning identifier in the third in two thirds of mark group.
First positioning ring, the second positioning ring and the third positioning ring include institute in one of the embodiments,
Positioning seat and the positioning pipe are stated, the positioning pipe is the hollow tubular member axially penetrated through, and hollow cavity is visited for accommodating ablation
Needle；The positioning pipe is symmetrically arranged at intervals with the first convex body and the second convex body, the positioning seat packet on the outer tube wall of one end
It including first angle and adjusts body and second angle adjusting body, the side wall that the first angle adjusts body offers the first arc track,
First convex body is nested with first arc track and can be oriented to and is slidably matched, and the side wall that the second angle adjusts body is opened
Equipped with the second arc track, second convex body is nested with second arc track and can be oriented to and is slidably matched.
In one of the embodiments, the first angle adjust body and/or the second angle adjust body with it is described fixed
Position, which covers, is additionally provided with angle index portion on opposite side wall.
The positioning seat further includes central siphon, the first fastener and the second fastener in one of the embodiments, and described
One angular adjustment body is fixed on the central siphon and with the positioning pipe far from first convex body by first fastener
The outer wall of one end be rotatably connected, the second angle adjust body be fixed on the central siphon by second fastener,
And the outer wall of one end with the positioning pipe far from second convex body is rotatably connected.
The positioning seat further includes binding face wheel in one of the embodiments, the binding face wheel setting
In the central siphon one end and adjust body and the second angle with the first angle and adjust the equal arranged for interval of body and cooperate
Form clip slot.
Detailed description of the invention
Fig. 1 is the multi-angle probe positioning being used in tumour ablation art described in one embodiment of the invention and needle distance measurement
The structural schematic diagram of device；
Fig. 2 is the axis of first positioning ring in Fig. 1 shown device, second positioning ring or the third positioning ring
Cut open structural schematic diagram；
Fig. 3 is that first angle adjusts body in structure shown in Fig. 2 or the second angle adjusts the side structure schematic view of body.
Description of symbols:
10, centralized positioning disk, the 20, first annual disk, 30, first annular track, the 40, first positioning ring, in 50, first
Ruler, positioning identifier in 51, first, number mark in 52, first, the 60, first outer ruler, the 61, first outer positioning identifier, 62, first
Outer number identifies, ruler in 70, second, positioning identifier in 71, second, number mark in 72, second, the 80, second annual disk, 90,
Second positioning ring, the 100, second circular orbit, 110, third annual disk, the 120, second outer ruler, the 121, second outer positioning identifier,
122, the second outer number mark, 130, ruler in third, 131, positioning identifier in third, 132, number mark in third, 140, the
Three positioning rings, 150, third circular orbit, 160, positioning seat, 161, first angle adjusting body, 161a, the first arc track,
162, second angle adjusting body, 162a, the second arc track, 163, central siphon, the 164, first fastener, the 165, second fastener,
166, binding face wheel, 167, clip slot, 170, positioning pipe, the 171, first convex body, the 172, second convex body, 180, angle index
Portion.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with
Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
Currently used ablation includes cryoablation, RF ablation, the ablation of irreversible electroporation, microwave ablation etc., is both needed to
It to be melted by joint spininess to expand ablation range.
Before treatment, it is necessary first to formulate ablation plan, specifically first pass through CT or MRI and carry out tumor-localizing and calculating
Target tumor size is measured, tumour ablation range is calculated according to tumor size, then assesses the number of probes of needs, final decision
The placement position of every probe.Tumour ablation is realized by selection ablation needle number and certain cloth needle method.For hot or cold
For ablation, probe configuration determines that ablation areas and range, ablation areas and range determine the effect for the treatment of.
However, being required according to operation, generally requires and the spacing control of adjacent two ablation probes in iatrotechnics exists
1.0cm is between 4.0cm, to avoid there is residual or because electric voltage exception influences therapeutic effect, also, after puncturing inserting needle
The random movement of ablation probe potential harm can be also caused to sufferer body, it is therefore, solid to the position of the ablation probe in art
Fixed and needle spacing measurement control becomes a key factor for determining surgical effect.
Based on this, as shown in Figure 1, the multi-angle probe of the embodiment shown for the application being used in tumour ablation art
Positioning and needle gap measuring device, comprising: centralized positioning disk 10；First annual disk 20, first annual disk 20 with one heart and
Periphery of the spacer loaded on the centralized positioning disk 10 simultaneously cooperatively forms first annular track 30；At least two first positioning rings 40,
At least two first positioning rings 40 are movably arranged in the first annular track 30 and can surrounding the centralized positioning
Disk 10 makees centripetal rotation, and first positioning ring includes that positioning seat 160 and swingable be set on the positioning seat 160 are determined
Position pipe 170；And ruler 50 in first, ruler 50 with one heart and is stacked on the centralized positioning disk 10 in described first, and described
In first ruler 50 be equipped with first in positioning identifier 51 and with described first in positioning identifier 51 it is circumferentially spaced at least
Number mark 52 in two first；Wherein, at least there are two number marks 52 in described first to refer to different needle spacing sizes.
The inserting needle that above-mentioned apparatus is mainly used for carrying out multi-angle to ablation probe in the operation of percutaneous tumour ablation positions solid
Determine and the spacing of ablation probe is measured simultaneously.When specifically used, use needed for first being pre-estimated out according to ablation plan
Distance values between the quantity of the ablation probe arrived, needle angle, position and ablation probe；And then, by one of them
One positioning ring 40 makees centripetal rotation around centralized positioning disk 10 along first annular track 30, and most terminates and be parked in ruler 50 in first
The place of 51 face of positioning identifier in first, and positioning seat 160 is made to carry out Plane Rotation, positioning pipe 170 is put on positioning seat 160
It is dynamic, to meet the needle angle of first ablation probe, it thus can determine inserting for root ablation probe headed by first positioning ring 40
Pin position；It will previously structure the formation again later and plan determining needle distance values, by least another in first annular track 30
First positioning ring 40 makees centripetal rotation around centralized positioning disk 10 and only stops in first 50 corresponding first first number marks of ruler
Know at 52, positioning seat 160 is made to carry out Plane Rotation later, 170 relative positioning seat 160 of positioning pipe is swung, from satisfaction second
Thus the needle angle of root ablation probe can determine the contact pin position of second ablation probe, and so on.When to required use
Ablation probe corresponding number the first positioning ring 40 position adjustment finish after, device can be integrally placed into patient's art
Area's skin surface, ablation probe is passed sequentially through can perform the operation in pre-adjusted 40 insertion body of the first positioning ring.Phase
Compared with the prior art, the present apparatus can carry out auxiliary positioning by the puncture position to the required multiple ablation probes used in advance, really
The puncture accuracy for protecting ablation probe promotes the efficiency of puncture procedure, while realizing body surface to the ablation probe after the completion of puncture
It is fixed, the probability of happening increase of complication caused by ablation probe accidental movement is prevented, safety and postoperative effect in art are influenced
The problem of fruit, occurs, and adjustable by the swing of positioning seat 160 progress Plane Rotation and positioning pipe 170 on positioning seat 160,
It can also realize the accurate inserting needle of multi-direction multi-angle, using flexible is convenient, applied widely.
It should be understood that preoperative cloth needle plan determination is needed using two ablation probes, and the needle of two ablation probes
Distance values are controlled in 1cm.In first in positioning identifier 51 and first number mark 52 by printing, the methods of paste and to be preset in the
In one on the surface of ruler 50, in first number mark 52 can digital " 1,2...... " etc. be shown, and in order to give area
Point, positioning identifier 51 uses filled black triangle in first, and number mark 52 uses open triangles shape in first.This
When, then in first annular track 30 install two the first positioning rings 40, and by one of positioning ring turn to first in
Positioning identifier 51 is aligned, and and then turns to another first positioning ring 40 and number is positioning identifier 51 in the first of " 1 "
Alignment can determine that the distance values of two ablation probes to be inserted are 1cm at this time.
On the basis of the above embodiments, in described first the neighboring of ruler 50 and the centralized positioning disk 10 periphery
Coincident.At this point, the neighboring of ruler 50 and centralized positioning disk 10 can be tightly abutted against with the first positioning ring 40 in first,
Under the position-limiting action of the first positioning ring 40, enable ruler 50 in first consolidate be mounted on the surface of centralized positioning disk 10 without
It can radially offset, influence the positioning accuracy to ablation probe.
Further, at least there are two 52 corresponding needle spacing sizes of number mark are identical in described first and constitute one
Spacing mark group in a first, and this number mark 52 is equidistantly laid in two described first of spacing mark group in described first
The two sides of positioning identifier 51 in described first.It is starting point with positioning identifier 51 in first, to two clockwise and anticlockwise
Direction is respectively provided with number mark 52 in the first of the representative differing needles distance values size of symmetric relation, determines to ablation probe
When the measurement of position, the first positioning ring 40 is allowed to rotate around any direction, the using flexible of lifting device, and due to can be around
Suitable, inverse both direction rotates, and the first positioning ring 40 is only parked on greater area of art area skin surface, and then can
Greatly promote the measurement capability of positioning and needle spacing.
Please continue to refer to Fig. 1, in addition, in an alternative embodiment, device is (to " being used for further to promote service performance
The abbreviation of the positioning of multi-angle probe and needle gap measuring device in tumour ablation art ", similarly hereinafter) it further include the first outer ruler 60, the
Ruler 70, the second annual disk 80 and at least two second positioning rings 90 in two, second annual disk 80 is with one heart and spacer sleeve
Periphery loaded on first annual disk 20 simultaneously cooperatively forms the second circular orbit 100, the first outer ruler 60 and described second
Interior ruler 70 be stacked on the same surface of first annual disk 20 with one heart from the inside to the outside, at least two second positioning rings
90 are movably arranged in second circular orbit 100 and can making centripetal rotation around the centralized positioning disk 10；Described
One outer ruler 60 be equipped with the first outer positioning identifier 61 and with the described first outer positioning identifier 61 circumferentially spaced at least two
Described first outer number mark 62, for measuring positioning ring spacing on two siding track of annual disk of the same name；Wherein, described at least two
First outer number mark 62 refers to different needle spacing sizes.In described second ruler be equipped with second in positioning identifier 71 and with
Number mark 72 in positioning identifier 71 circumferentially spaced at least two described second in described second, for measuring rail of the same name
Two positioning ring spacing on road；Wherein, number mark 72 refers at least two described first outer number marks 62 or described second
For different needle spacing sizes.In this way, the second annular formed by the first annual disk 20 and 80 arranged for interval of the second annual disk
Track 100 can make the second positioning ring 90 make centripetal rotation around centralized positioning disk 10 by preset path, it is ensured that mobile accuracy can
Control.
When carry out the second circular orbit on two with tracks positioned ring position when, by one of them second positioning ring 90 along
Second circular orbit 100 makees centripetal rotation around centralized positioning disk 10, and most terminates positioning mark in be parked in ruler 70 in second second
Know the place of 71 faces, it may be determined that the contact pin position of root ablation probe headed by second positioning ring 90；It will previously structure the formation again later
Plan determining needle distance values, by least another second positioning ring 90 in the second circular orbit 100 around centralized positioning
Disk 10 is made centripetal rotation and is only stopped in second in ruler 70 corresponding first second at number mark 72, thus can determine the
The contact pin position of two ablation probes, and so on.It is finished to the adjustment of all second positioning rings 90, device can be transferred to trouble
The area Zhe Shu skin surface carries out puncturing contact pin operation.Since the position of the second positioning ring 90 can fix ablation probe, and it is adjacent
The needle spacing of two ablation probes can be predefined by the second positioning ring 90, can be provided for the inserting needle of ablation more accurate
Body surface location auxiliary, practical inserting needle is identical with cloth needle plan, eliminate deviation surgical effect generation it is negative
It influences.
When carrying out two across tracks positioned rings positioning on first annular track and the second circular orbit, by the first positioning ring
40 make centripetal rotation around centralized positioning disk 10 along first annular track 30, and most terminate and determine outside be parked in the first outer ruler 60 first
The place of 61 face of bit identification, it may be determined that the contact pin position of root ablation probe headed by first positioning ring 40；It later again will be previous
It structures the formation and plans determining needle distance values, the second positioning ring 90 is made around centralized positioning disk 10 along the second circular orbit 100 centripetal
Rotation, and most terminate the place for being parked in the first 62 faces of outer number mark of the first outer ruler 60, it may be determined that second positioning ring 90
Headed by root ablation probe contact pin position, and so on.It is finished to all first positioning rings 40 and the adjustment of the second positioning ring 90, i.e.,
Device can be transferred to patient's art area skin surface, carry out puncturing contact pin operation.Due to the first positioning ring 40 and the second positioning ring
90 position can fix ablation probe, and the needle spacing of adjacent two ablation probes passes through the first positioning ring 40 and the second positioning
Ring 90 can predefine, and more accurate body surface location auxiliary can be provided for the inserting needle of ablation, enable practical inserting needle
It is identical with cloth needle plan, eliminates the negative effect that deviation surgical effect generates.
On the basis of the above embodiments, the inner circumferential of the inner periphery of the described first outer ruler 60 and first annual disk 20
Coincident, the neighboring of ruler 70 is overlapped with the neighboring of first annual disk 20 in described second.First outer ruler 60
Fixation can be withheld by the first positioning ring 40, prevent from loosening or occurring unexpected offsetting；Ruler 70 can pass through second in second
Positioning ring 90 is firm to be withheld on the first annual disk 20, can be tightly bonded with the first annual disk 20, is connected firmly conducive to raising
Property.
Further, at least identical there are two the described first 62 corresponding needle spacing sizes of outer number mark and composition one
A first olo mark group, and two described first outer number marks 62 of the first olo mark group are equidistantly laid
In the two sides of the described first outer positioning identifier 61.72 corresponding needle spacing sizes of number mark are identical in described second and constitute
Spacing mark group in one second, and the number 72 equidistant cloth of mark in two described second of spacing mark group in described second
The two sides of positioning identifier 71 in described second.It is starting point with the first outer positioning identifier 61, to clockwise and anticlockwise two
A direction is respectively provided with the first outer number mark 62 of the representative differing needles distance values size of symmetric relation；Positioning identifier 71 in second
For starting point, number in the second of the representative differing needles distance values size of symmetric relation is respectively provided with to both direction clockwise and anticlockwise
Word mark 72.When carrying out positioning measurement to ablation probe, allow the first positioning ring 40 and the second positioning ring 90 around any side
To rotation, the using flexible of lifting device, and due to that can be rotated around suitable, inverse both direction, so that the second positioning ring 90 can
To be only parked on greater area of art area skin surface, and then the measurement capability of positioning and needle spacing can be greatly promoted.
Please continue to refer to Fig. 1, based on any of the above embodiments, device further includes the second outer ruler 120, ruler in third
130, third annual disk 110 and at least two third positioning rings 140, the third annual disk 110 is with one heart and spacer sleeve is loaded on
The periphery of second annual disk 80 simultaneously cooperatively forms third circular orbit 150, in the second outer ruler 120 and the third
Be stacked on the same surface of second annual disk 80 with one heart from the inside to the outside of ruler 130, at least two third positioning rings
140 are movably arranged in the third circular orbit 150 and can making centripetal rotation around the centralized positioning disk 10；It is described
Second outer ruler 120 is equipped with the second outer positioning identifier 121 and circumferentially spaced extremely with the described second outer positioning identifier 121
Few two described second outer number marks 122；Wherein, between the different needle of at least two described second outer 122 references of number mark
Away from size.Ruler 130 is equipped in third positioning identifier 131 and circumferential with positioning identifier 131 in the third in the third
Number mark 132 in spaced at least two third；Wherein, at least two described second outer number marks 122 or
Number mark 132 refers to different needle spacing sizes in third.
Further, the inner periphery of the described second outer ruler 120 is overlapped with the inner periphery of second annual disk 80, institute
The neighboring of ruler 130 in third is stated to be overlapped with the neighboring of second annual disk 80.In this way, the second outer ruler 120 can
Fixed by the second positioning ring 90, ruler 130 can be fixed by third positioning ring 140 in third.
Further, at least there are two described second, 122 corresponding needle spacing sizes of number mark are identical outside and constitute
One the second olo mark group, and two described second outer number marks 122 of the second olo mark group are equidistant
It is laid in the two sides of the described second outer positioning identifier 121；And at least there are two between 132 corresponding needles of number mark in the third
It is identical away from size and constitute a third in spacing mark group, and in the third spacing mark group two thirds
Interior number mark 132 is equidistantly laid in the two sides of positioning identifier 131 in the third.
It should be noted that ruler 130 in the second outer ruler 120, third, third annual disk 110 and third positioning ring 140
Application method and obtainable beneficial effect can refer to ruler 70 in the above-mentioned first outer ruler 60, second, the second annual disk 80 and at least
Two second positioning rings 90 are understood that details are not described herein.
Please continue to refer to Fig. 2 and Fig. 3, based on any of the above embodiments, second positioning ring and the third
Positioning ring includes the positioning seat 160 and the positioning pipe 170, it can be interpreted as, the first positioning ring, the second positioning ring and
Third positioning ring is identical structure.Wherein, the positioning pipe 170 is the hollow tubular member axially penetrated through, hollow cavity
For accommodating ablation probe.And inserting needle, the diameter of the hollow cavity of positioning pipe 170 should be greater than the straight of ablation probe for convenience
Diameter.
The positioning pipe 170 is symmetrically arranged at intervals with the first convex body 171 and the second convex body on the outer tube wall of one end
172, the positioning seat 160 includes that first angle adjusts body 161 and second angle adjusting body 162, and the first angle adjusts body
161 side wall offers the first arc track 161a, and first convex body 171 is nested with the first arc track 161a and can
Guiding is slidably matched, and the side wall that the second angle adjusts body 162 offers the second arc track 162a, second convex body
172 is nested with the second arc track 162a and can be oriented to and be slidably matched.In the present embodiment, positioning seat 160 can carry out water
Plane Rotation, 0 °~360 ° of slewing area.It is full symmetric two that first angle, which adjusts body 161 and second angle adjusting body 162,
The sphere structure of a a quarter, the first arc track 161a and the second arc track 162a are also arranged symmetrically, respectively arcuately
For edge in the medial surface of sphere, the medial surface and positioning pipe 170 are opposite.Pass through the first convex body 171 and the first arc track
The slide guide of 161a, the second convex body 172 and the second arc track 162a cooperate, and positioning pipe 170 is carried out by desired guiding trajectory
Stable circular swing motion, swing angle range can change in 0 °~180 ° of fan-shaped region, so that inserting needle range is bigger, use
Flexibility is higher.
As shown in figure 3, further, the first angle adjusts body 161 and/or the second angle adjust body 162 with
Angle index portion 180 is additionally provided on the opposite side wall of the positioning sleeve.It so, it is possible to make by the instruction in angle index portion 180
With, accurately know the needle angle of every ablation probe, be identical practical inserting needle plan with the plan of structuring the formation, avoid ablation visit
Needle deviates scheduled ablation target area.
Please continue to refer to Fig. 2, in addition, the positioning seat 160 further includes central siphon 163, the first fastener 164 and the second fastening
Part 165, the first angle adjust body 161 be fixed on the central siphon 163 by first fastener 164 and with it is described
The outer wall of the one end of positioning pipe 170 far from first convex body 171 is rotatably connected, and the second angle adjusts body 162 and passes through
Second fastener 165 be fixed on the central siphon 163 and with the positioning pipe 170 far from second convex body 172 one
The outer wall at end is rotatably connected.In this way, the first fastener 164 and the second fastener 165 may act as the rotation base of positioning pipe 170
Point, so that synergistic effect of the positioning pipe 170 in the rotation basic point and the first arc track 161a and the second arc track 162a
Under, realize more steady, the higher arcuate oscillating motion of precision, lifting device is adjustable controllability.
Please continue to refer to Fig. 2, on the basis of the above embodiments, the positioning seat 160 further includes binding face wheel
166, the binding face wheel 166 be set to one end of the central siphon 163 and with the first angle adjust body 161 and
The second angle adjusts the equal arranged for interval of body 162 and cooperatively forms clip slot 167.The clip slot 167 is for the first positioning ring 40, the
The installation of two positioning rings 90 and third positioning ring 140 is fixed.I.e. actual installation when, can be directly installed on by the clip slot 167
On first annual disk 20, the second annual disk 80 and third annual disk 110, and can be simultaneously by ruler 50 in first, the first outer ruler 60, the
Fixation is withheld at the edge of ruler 130 in ruler 70, the second outer ruler 120 and third in two, improves installation fastness.Binding face wheel
166 be discoid part, is located at after installation and is bonded with patient skin.
It should be noted that centralized positioning disk 10 is the thin-walled round shape part of thickness 2.5mm, a diameter of 2cm.First annual disk
20, the thin-walled annular part that the second annual disk 80 and third annual disk 110 are thickness 2.5mm, wherein the first annual disk 20 is interior straight
Diameter is 2.5cm, outer diameter 4cm；The interior diameter of second annual disk 80 is 4.5cm, overall diameter 6cm；Third annual disk 110 it is interior
Diameter is 6.5cm, overall diameter 8cm.With the rotation center of centralized positioning disk 10, successively housing the first annual disk 20, the second ring
Shape disk 80 and third annual disk 110.Centralized positioning disk 10 and 20 circumferential gap of the first annual disk form first annular track 30, the
One annual disk 20 and 80 circumferential gap of the second annual disk form the second circular orbit 100, the second annual disk 80 and third annual disk
110 circumferential gaps form third circular orbit 150, and centered on centralized positioning disk 10, by interior successively the first ring of ring set outward
Shape track 30, the second circular orbit 100 and third circular orbit 150.First annular track 30 is the interior of the second circular orbit 100
Track.Second circular orbit 100 is the inner orbit of third circular orbit 150.Second circular orbit 100 is first annular track 30
Outside track.Third circular orbit 150 is the outside track of the second circular orbit 100.
Ruler 50 is the clear, thin-walled annular shape part of thickness 0.2cm, interior diameter 1.4cm, overall diameter 2.0 in first.First
Ruler 130 is the clear, thin-walled ring-shaped article of thick 0.2cm in ruler 70, the second outer ruler 120 and third in outer ruler 60, second.Outside first
The interior diameter of ruler 60 is 2.5cm, overall diameter 3.1cm；In second the interior diameter of ruler 70 be 3.4cm, the outer 4.0cm of overall diameter, the
The interior diameter of two outer rulers 120 is 4.5cm, overall diameter 5.1cm, and the interior diameter of ruler 130 is 5.4cm in third, overall diameter is
6.0cm。
In addition, it is contemplated that the present apparatus is to act directly on patient skin, to avoid infecting, while patient being avoided to hold
Excessive weight is carried on a shoulder pole, centralized positioning disk 10, the first annual disk 20, the second annual disk 80, third annual disk 110 are by transparent, nontoxic nothing
Taste, herd polyvinyl chloride material are made.Ruler 50 in first, ruler 70 in the first outer ruler 60, second, the second outer ruler 120, ruler in third
130 are made of translucent frosted, non-toxic and tasteless, herd polyvinyl chloride material.Central siphon 163, inserting needle face wheel and covering surface
Wheel is made of opaque, non-toxic and tasteless, herd polyvinyl chloride material.And above-mentioned several transparent materials are used, may be used also
Reduce the blocking to the visual field in art.
To sum up, device described in the technical program can carry out positioning and the needle of co-orbital ablation probe according to actual needs
The positioning of the ablation probe of spacing determination or progress across track and needle spacing determine that concrete scheme can be summarized as follows:
1, with tracks positioned and needle distance measurement.Root ablation probe is inserted headed by selecting first positioning ring in any track
Pin position.Selected track interior ruler of the same name is rotated, the positioning identifier (" 0 " scale) of interior ruler is made to be aligned first positioning ring.Then root
Determine needle spacing according to cloth needle plan, later by remaining positioning ring in same track be moved on interior ruler it is corresponding number mark (" 1,
2... " scale), as second, third ... entry point position.
2, across tracks positioned and needle distance measurement.Limit root headed by any one positioning ring in adjacent two track in inner orbit
Ablation probe contact pin position.Rotation and the track outer ruler of the same name, make positioning identifier " 0 " scale of the outer ruler) alignment first
Positioning ring.Needle spacing is then determined according to cloth needle plan, remaining positioning ring in outside track is moved on outer ruler later corresponding
Number mark (" 1,2... " scale), as second, third ... entry point position.
3, planned after completing positioning ring adjustment according to preoperative ablation, stick identification label.However the present apparatus is placed in
Patient's art area skin surface.
4, it is adjusted the angle according to angle index portion 180, ablation probe is finally passed sequentially through to selected positioning ring insertion body
It is interior, as necessary by it is image-guided as needle body patient's body auxiliary positioning.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of positioning of multi-angle probe and needle gap measuring device in tumour ablation art characterized by comprising
Centralized positioning disk；
First annual disk, first annual disk is with one heart and spacer sleeve is loaded on the periphery of the centralized positioning disk and cooperatively forms
First annular track；
At least two first positioning rings, at least two first positioning rings be movably arranged in the first annular track,
And centripetal rotation can be made around the centralized positioning disk, and first positioning ring include positioning seat and it is swingable be set to it is described
Positioning pipe on positioning seat；And
Ruler in first, ruler with one heart and is stacked on the centralized positioning disk in described first, and is set on ruler in described first
Have in first positioning identifier and with described first in positioning identifier circumferentially spaced at least two first number identify；
Wherein, at least there are two number marks in described first to refer to different needle spacing sizes.
2. the positioning of multi-angle probe and needle gap measuring device according to claim 1 in tumour ablation art,
It is characterized in that, at least identical there are two the corresponding needle spacing size of the first number mark and one the first spacing mark of composition
Knowledge group, and two the first number marks of the first spacing mark group are equidistantly laid in first positioning identifier
Two sides.
3. the positioning of multi-angle probe and needle gap measuring device according to claim 1 in tumour ablation art,
It is characterized in that, further includes the first outer ruler, ruler, the second annual disk and at least two second positioning rings in second, described second
Annual disk is with one heart and spacer sleeve is loaded on the periphery of first annual disk and cooperatively forms the second circular orbit, outside described first
Ruler be stacked on the same surface of first annual disk with one heart from the inside to the outside in ruler and described second, at least two described
Two positioning rings are movably arranged in second circular orbit and can making centripetal rotation around the centralized positioning disk；It is described
First outer ruler be equipped with the first outer positioning identifier and with the described first outer circumferentially spaced at least two institute of positioning identifier
State the first outer number mark, in described second ruler be equipped in second positioning identifier and with described second in positioning identifier it is circumferential
Number mark in spaced at least two described second；Wherein, at least two described first outer number marks or second
Number mark refers to different needle spacing sizes.
4. the positioning of multi-angle probe and needle gap measuring device according to claim 3 in tumour ablation art,
It is characterized in that, at least there are two the described first outer number, to identify corresponding needle spacing size identical and constitute first outer room
Away from mark group, for measuring on two siding track of annual disk of the same name distance between positioning ring, and the first olo mark group
Two described first outer number marks are equidistantly laid in the two sides of the described first outer positioning identifier；And at least there are two described second
It is identical and constitute spacing mark group in one second that interior number identifies corresponding needle spacing size, for measuring annual disk of the same name
Distance between positioning ring on two siding tracks, and this number identifies equidistant cloth in two described second of spacing mark group in described second
The two sides of positioning identifier in described second.
5. the positioning of multi-angle probe and needle gap measuring device according to claim 3 in tumour ablation art,
It is characterized in that, further includes the second outer ruler, ruler, third annual disk and at least two third positioning rings in third, the third ring
Shape disk is with one heart and spacer sleeve is loaded on the periphery of second annual disk and cooperatively forms third circular orbit, the second outer ruler
On the same surface of being stacked at one heart from the inside to the outside of ruler in the third second annual disk, at least two thirds
Positioning ring is movably arranged in the third circular orbit and can making centripetal rotation around the centralized positioning disk；Described
Two outer rulers be equipped with the second outer positioning identifier and with described in the described second outer positioning identifier circumferentially spaced at least two
Second outer number identifies, and ruler is equipped with positioning identifier in third and between positioning identifier circumferential direction in the third in the third
Every number mark at least two thirds of setting；Wherein, it is counted at least two described second outer number marks or third
Word mark refers to different needle spacing sizes.
6. the positioning of multi-angle probe and needle gap measuring device according to claim 5 in tumour ablation art,
It is characterized in that, at least there are two the described second outer number, to identify corresponding needle spacing size identical and constitute second outer room
Away from mark group, for measuring on two siding track of annual disk of the same name distance between positioning ring, and the second olo mark group
Two described second outer number marks are equidistantly laid in the two sides of second positioning identifier；And at least there are two in the third
The corresponding needle spacing size of number mark is identical and constitutes spacing mark group in a third, for measuring two on track of the same name
Distance between a positioning ring, and number mark is equidistantly laid in described the in two thirds of spacing mark group in the third
The two sides of positioning identifier in three.
7. the positioning of multi-angle probe and needle gap measuring device according to claim 5 in tumour ablation art,
It is characterized in that, first positioning ring, the second positioning ring and the third positioning ring include the positioning seat and the positioning
Pipe, the positioning pipe are the hollow tubular member axially penetrated through, and hollow cavity is for accommodating ablation probe；The positioning pipe is close to one
Symmetrically it is arranged at intervals with the first convex body and the second convex body on the outer tube wall at end, the positioning seat includes that first angle adjusts body and the
Two angular adjustment bodies, the side wall that the first angle adjusts body offer the first arc track, first convex body and described the
One arc track is nested and can be oriented to and is slidably matched, and the side wall of the second angle adjusting body offers the second arc track, institute
It is nested with second arc track and can be oriented to and be slidably matched to state the second convex body.
8. the positioning of multi-angle probe and needle gap measuring device according to claim 7 in tumour ablation art,
It is characterized in that, the first angle adjusts body and/or the second angle is adjusted on the body side wall opposite with the positioning sleeve also
Equipped with angle index portion.
9. the positioning of multi-angle probe and needle gap measuring device according to claim 7 in tumour ablation art,
It is characterized in that, the positioning seat further includes central siphon, the first fastener and the second fastener, and the first angle adjusts body and passes through institute
Stating the first fastener and being fixed on the outer wall of one end on the central siphon and with the positioning pipe far from first convex body can be rotated
Connection, the second angle adjust body and are fixed on the central siphon by second fastener and separate with the positioning pipe
The outer wall of one end of second convex body is rotatably connected.
10. the positioning of multi-angle probe and needle gap measuring device according to claim 9 in tumour ablation art,
It is characterized in that, the positioning seat further includes binding face wheel, and the binding face wheel is set to one end, simultaneously of the central siphon
Body and the equal arranged for interval of second angle adjusting body are adjusted with the first angle and cooperatively form clip slot.
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| CN201810884845.XA CN108969087B (en) | 2018-08-06 | 2018-08-06 | Multi-angle probe positioning and needle spacing measuring device used in tumor ablation |
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| CN201810884845.XA CN108969087B (en) | 2018-08-06 | 2018-08-06 | Multi-angle probe positioning and needle spacing measuring device used in tumor ablation |
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