CN208426185U - A kind of combined type localised puncture device - Google Patents
A kind of combined type localised puncture device Download PDFInfo
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- CN208426185U CN208426185U CN201721837366.XU CN201721837366U CN208426185U CN 208426185 U CN208426185 U CN 208426185U CN 201721837366 U CN201721837366 U CN 201721837366U CN 208426185 U CN208426185 U CN 208426185U
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- combined type
- positioning plate
- attachment beam
- puncture device
- localised puncture
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Abstract
The utility model discloses a kind of combined type localised puncture device and its localised puncture methods, including group frame and the positioning component being arranged above.After human body does the image checks such as CT or MRI, the spatial relationship of each development part and internal target easily can be picked out in CT or MRI on piece, and projection coordinate is calculated by device.At least two characteristic point of body surface is chosen when puncturing, and passes through the relationship of projection coordinate again recovery device and human body.The coordinate for needing to pass through is found on positioning plate and locating support by the puncture path calculated, carries out the operation such as puncturing.The utility model structure is simple, easy to use, easy to operate, and accuracy is high.Puncture path flexibly can be intuitively selected, the accurate advantage of CT and MRI is given full play to.
Description
Technical field
The utility model relates to a kind of medical instrument more particularly to a kind of combined type localised puncture devices.
Background technique
Biopsy, Minimally Invasive Surgery, many diagnosis and treatment such as drainage in vivo are clinically organized to require to carry out human body puncture procedure, packet
Include: waist is worn, abdomen is worn, lung is worn, kidney is worn, liver is worn, prostate biopsy, brain tissue puncture etc., but how venipuncture is to destination organization
Always a problem.
Needle localization usually is done using image documentation equipments such as B ultrasound, CT or MRI in routine puncture procedure at present.It is first borrowed when positioning
It helps instrument to measure the position of lesion in a certain dissection level of human body, determines the side of lesion Yu skin anchor point in the level
The depth of position and puncture needle, then in the best inserting needle position of the level selection and needle angle.But spirit is frequently necessary to when practical operation
Puncture angle is adjusted livingly, needs to carry out three-dimensional localization puncture across image level.
In actual operation, the body surface of human body has fluctuating, if being already fixed to developing apparatus and the scanning of body surface
Plane is not exclusively parallel or completely vertical.It will appear inter-bank when tomoscan, the point that should exactly occur at next layer shifts to an earlier date quilt
It scans, but can only see multiple points when diagosis, can not judge to be which layer, it may appear that the deviation in positioning.
Even if best puncture path can be formulated in CT or MRI on piece, puncture site is also determined, but body surface can not be detached from
Determine other passing points on puncture path, therefore the selection of puncture angle is still a problem, current overwhelming majority doctors are still
It is so to puncture by rule of thumb.Although also there is the device of double orientation at present, which is fixed frame, cannot be pasted onto arc
The body surface of degree.Position when taking the photograph piece and puncturing has a deviation, and the spatial relationship of internal target and positioning device changes, and it is fixed to cause
Position inaccuracy.Adjust the cumbersome of positional relationship.And the device is horizontal on operating field when puncturing, and also influences disinfection and operation
Operation.
Utility model content
The utility model provides a kind of combined type localised puncture device, and the three-dimensional of target can be identified in CT and MRI is checked
Coordinate, realizes the accurate positionin of destination organization, and equipment therefor structure is simple, convenient for disassembly and assembly, accurate positioning.
In order to solve the above technical problems, technical solution used by the utility model is as follows:
A kind of combined type localised puncture device, including group frame and positioning component；The group frame includes connection
Connector and attachment beam, the end of the attachment beam are connected by the jointing and are combined into frame structure；The positioning
Component is connected on attachment beam, and the positioning component includes positioning plate and locating rod, and the locating rod is parallel with positioning plate；It is described
Locating rod and attachment beam are equipped with scale.
Further, the attachment beam is made of at least two connecting rods arranged in parallel, the end of the connecting rod with
The jointing connects, and has gap between the connecting rod, and the size in the gap is 1mm~20mm, the positioning plate
It is movably connected on attachment beam with locating support by the gap.
Further, the attachment beam is equipped with elongated through-holes, and the width of the through-hole is 1mm~20mm, the positioning
Plate and locating support are movably connected on attachment beam by the through-hole.
Further, the locating rod at least one end is connected with locating support, and the locating support is connected on attachment beam, uses
In increase the distance between locating rod and positioning plate.
Further, the locating rod is equipped with locating piece, and the locating piece is laser emitter or scalable straight-bar.
Further, the attachment beam, locating support and locating rod are equipped with retractable structure and scale.It is described scalable
Structure includes inner and outer tubes, and said inner tube can be slided along outer tube wall, and mark is designed on the outer wall of said inner tube and outer tube
Ruler.
Further, there is the development part of multiple aligned transfers on the positioning plate；The development part includes developing material
Developed grain or silk thread；The developing material includes x-ray developing material and/or nuclear magnetic resonance imaging material.
Further, the positioning plate is made of frame, warp, weft and development part；The warp and weft both ends connection
On frame and networking, the warp or weft and frame junction are woven equipped with label；Warp and weft junction is equipped with aobvious
Shadow part, the development part include material of developing when x-ray development material and/or MRI check.
Further, the development part aligned transfer on the positioning plate is at row and column, it is two neighboring in the row and/or column or
Two or more development part forms basic unit cycle arrangement；The line space of the development part is identical；The column pitch of the development part
It is identical；Development part in the same basic unit has developed image difference and difference in appearance.
A kind of precise positioning piercing method, step include:
1) a coordinate origin will be set after the combination of combined type localised puncture device, mounts a device onto needed by human body treatment
Region chooses at least two characteristic point of body surface, obtains two characteristic points respectively by locating piece at orthogonal two pieces
Projection coordinate on positioning plate；
2) tomoscan is carried out to needed by human body treatment region, obtains scan data, scan data is imported into medical software,
Mathematical model is established, and obtains the coordinate for puncturing target；
3) the best puncture needle track and paracentesis depth for reaching target position are calculated according to mathematical model, and it is best to calculate this
Needle track is punctured by the coordinate of positioning plate layer and the coordinate of locating rod layer；
4) it will be installed to needed by human body treatment region after the combination of combined type localised puncture device when needing to puncture, by fixed
Position part obtains projection coordinate of the body surface characteristic point respectively on orthogonal two pieces of positioning plates again, adjusts the body of human body
Position or the position of combined type localised puncture device, the coordinate for obtaining same characteristic point twice are identical；
5) coordinate obtained by step 3) finds the coordinate that puncture needle needs to pass through in combined type localised puncture device, will wear
Thorn part adjusts the coordinate passed through to needs；
6) sterile puncture will be carried out after the disinfection of human body therapy region body surface, puncture needle is successively passed through into locating support and positioning
Preset coordinate on plate is pierced into human body, can be pierced into target after reaching default paracentesis depth.
The unmentioned technology of the utility model is referring to the prior art.
The utility model discloses a kind of combined type localised puncture device and its localised puncture method, including group frame and
The positioning component being arranged above.After human body does the image checks such as CT or MRI, can easily it be picked out in CT or MRI on piece
The spatial relationship of each development part and internal target, and projection coordinate is calculated by device.Body surface is chosen when puncturing
At least two characteristic points pass through the relationship of projection coordinate again recovery device and human body.It is being positioned by the puncture path calculated
The coordinate for needing to pass through is found on plate and locating support, carries out the operation such as puncturing.The utility model structure is simple, easy to use,
Easy to operate, accuracy is high.Puncture path flexibly can be intuitively selected, the accurate advantage of CT and MRI is given full play to.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of combined type localised puncture device in embodiment 1；
Fig. 2 is attachment beam in embodiment 1 by more connecting rod composition schematic diagrams
Fig. 3 is that attachment beam is the single body of rod schematic diagram with through-hole in embodiment 1
Fig. 4 is the schematic diagram of human body tomoscan image in embodiment 1；
Fig. 5 is the schematic diagram for obtaining surface characteristics point coordinate in embodiment 1 by laser designation；
Fig. 6 is the schematic diagram punctured according to the coordinate of calculating using positioning plate and locating support in embodiment 1
Fig. 7 is the schematic diagram that positioning plate is made of variant development part sequence in embodiment 4
Fig. 8 is the schematic diagram that positioning plate is made of the more items that develop in embodiment 5
Fig. 9 is positioning plate in embodiment 5 by the schematic diagram of variant development part developed image
Wherein, 1- attachment beam, 2- locating support, 3- positioning plate, 4- jointing, 5- scale, 6- bottom plate, 7- puncture needle,
8- surface characteristics point, 9- puncture target
11- connecting rod, 12- through-hole, 13- fastening screw, 14- position grillage, 15- level meter, 16- jack
21- support frame, 22- locating rod, 23- positioning sliding block, 24- laser emitter, 25- puncture ring, 26- inner tube, 27-
Outer tube, 28- laser beam
31- development part, 32- development item, 33- posting, 34- warp, 35- weft
Specific embodiment
The utility model in order to better understand furthers elucidate the content of the utility model below with reference to embodiment, but
The content of the utility model is not limited solely to the following examples.
Embodiment 1
As shown in Figure 1, combined type body surface location sting device is composed of 12 attachment beam 1 and 8 jointings 4,
The end of attachment beam 1 connects by jointing 4 and is combined into cube frame structure.Positioning component includes positioning plate 3 and determines
Position bracket 2, positioning plate 3 are connect with attachment beam 1, and 2 one end of locating support is vertically connected on attachment beam 1, the other end and locating rod
22 vertical connections, the locating rod 22 are equipped with scale 5.
The size that the length of attachment beam 1 has 30cm, 40cm, 50cm, 60cm, 70cm, 80cm different with 90cm is for flexibly choosing
It selects, preferably the frame structure of the composition of the 12 of 60cm length piece attachment beam 1.In a non-limiting embodiments, combined type body surface is fixed
Position sting device is the frame structure that 12 attachment beams 1 are directly composed of a fixed connection.
Multiple positioning plates 3 and locating support 2 can be set in the face of combined type body surface location sting device composition, is in addition arranged
1-3 face is walked for human body.If CT scan there can be 5 face setting positioning plates 3 at head, have 5 when scanning abdomen
Positioning plate 3 is arranged in a face, and lithotomy position has 3 face setting positioning plates 3 when scanning.
It is more more comfortable on combined type body surface location sting device in order to allow human body to lie in, it is set on the attachment beam 1 of bottom
There is the bottom plate 6 smoothly having a downwarp at textured hard and both ends.When human body is lain on bottom plate 6, the attachment beam 1 of bottom plate 6 and bottom is still
So there is certain interval, attachment beam 1 can be neatly moved under bottom plate 6.
As shown in Fig. 2, attachment beam 1 is made of 6 connecting rods 11 arranged in parallel, the end of all connecting rods 11 is and even
Connector 4 connects.Have in jointing 4 and line up parallel 3 groups with 16,6 jacks 16 of jack of 11 diameter matches of connecting rod, often
Group 2.The spacing of each jack 16 and adjacent receptacle 16 is 6mm, and the spacing between connecting rod 11 is also 6mm.
As shown in figure 3, in another embodiment, attachment beam 1 is the single body of rod, above there is the long strip type parallel with long axis
Through-hole 12,12 width of through-hole are 5mm, and positioning plate 3 is inserted on attachment beam 1 by through-hole 12.
In a non-limiting embodiments, four attachment beams 1 of only top layer are made of connecting rod 11, and others are even
Connecing beam 1 is single bar.
The thickness of positioning plate 3 is 5mm, and positioning plate 3 is made of posting 33, warp 34, weft 35 and development part 31.Warp
34 and 35 both ends of weft be connected on posting 33 and weave networking, warp 34 or weft 35 and be equipped with 33 junction of posting
Label.For ease of calculation, the length and width of above-mentioned positioning plate 3 are 50cm, and the spacing of warp 34 and weft 35 is all 5mm.In order to
Observation is facilitated to position and puncture situation, above-mentioned posting 33 is made of transparent organic glass.
As shown in figure 4, warp 34 and 35 infall string of weft have ball-type development part 31, development part 31 includes metal or sulfuric acid
The x-rays such as barium develop material, and the development part 31 on positioning plate 3 is shown as regularly arranged bright spot in CT image, and puncture target 9 exists
The bright spot that extended line on both horizontally and vertically passes through is exactly the projected position for puncturing target on positioning plate 3, bright according to this
The corresponding label of point, which is achieved with, punctures target at this time relative to the coordinate of device.Reduction apparatus and people first when puncturing again
Spatial position of the body in tomoscan, is punctured according still further to above-mentioned coordinate.
It also needs to find development 31 entity of part in body surface after positioning in diagosis, find for convenience, it is two neighboring
Or the basic unit cycle arrangement that more than two development parts 31 form is in a row, the development part 31 in same basic unit has development
Image difference and difference in appearance.
In the present embodiment, according to plastics, integral color is successively in black CT film for the plastics that are mixed with metal powder and metal
It is Dark grey, grey and light gray, the ball of diameter 2mm is directly made into them, surface respectively indicates corresponding Dark grey, ash
Color and light gray.Material does not limit to and above-mentioned material, and in another embodiment, development part 31 may also is that glass, be mixed with sulphur
The solid glass of sour barium and the glass capsules of package barium sulfate, surface mark upper coil or the quantity as dice in varying numbers
Not equal point.
Precise positioning piercing method is carried out using said combination formula localised puncture device, step includes:
1. mounting a device onto needed by human body treatment for a coordinate origin is arranged after the combination of combined type localised puncture device
Region chooses at least two characteristic point of body surface, obtains two characteristic points respectively by locating piece at orthogonal two pieces
Projection coordinate on positioning plate 3.
As shown in figure 5, human body lies low under CT machine, long axis of body line is parallel with examination couch longitudinal axis.Device is erected at inspection
It looks on bed, across the body two sides in human body.It is preferred that using one jiao equipped with level meter 15 as coordinate origin, according to 1 He of attachment beam
Scale 5 on locating support 2 reads coordinate.
Coordinate is read using the auxiliary of laser emitter 24 in the present embodiment, laser is the point-like laser of power 10mw.Laser
Transmitter 24 is vertically connected in locating rod 22 by positioning sliding block 23, and the point-like laser of transmitting is vertical with locating rod 22.Adjustment
Positioning sliding block 23 makes laser beam 28 be irradiated to the certain point of body surface, then reading of the positioning sliding block 23 in locating rod 22 is exactly at this time
Coordinate of this relative to device.
Body surface is observed in the surface of device, writes down the coordinate of at least two body surface marking objects, body surface marking object can
, can also be with pen drafting mark to select mole, scar, wrinkle, wound etc., the coordinate that body surface marking object projects on positioning plate 3,
It is set as x and y.In kind in the positive side observer body body surface in device, the coordinate of above-mentioned body surface marking object is write down, is write down
The coordinate projected on positioning plate 3, is set as z.
2. pair needed by human body treatment region carries out tomoscan, scan data is obtained, scan data is imported into medical software,
Mathematical model is established, and obtains the coordinate for puncturing target.
3. calculating the best puncture needle 7 and paracentesis depth for reaching target position according to mathematical model, and calculate this most
Good puncture needle 7 passes through the coordinate and 22 layers of locating rod of coordinate of positioning plate 3.
The Three-dimension Reconstruction Model for establishing human body in the present embodiment using 17.0 software of Mimics medical, according to three-dimensional
Model calculates best puncture needle 7, paracentesis depth, coordinate and 22 layers of locating rod of coordinate by positioning plate 3.In a non-limit
In embodiment processed, threedimensional model is not established, but measures conventional coronal-plane, sagittal plane and the horizontal plane that image department provides
Image, calculated by trigonometric function.
4. needed by human body treatment region will be installed to after the combination of combined type localised puncture device when needing to puncture, by fixed
Position part obtains projection coordinate of the body surface characteristic point 8 respectively on orthogonal two pieces of positioning plates 3 again, adjusts human body
The position of position or combined type localised puncture device, the coordinate for obtaining same characteristic point twice are identical；
With human body to the room punctured, allows human body and lain down with posture when taking the photograph piece, to take the photograph angle stringer when piece.Also
It is that coordinate is read according to the scale 5 on attachment beam 1 and locating support 2 to be equipped with one jiao of level meter 15 as coordinate origin.?
The surface of device and positive side observer body body surface obtain body surface spy by locating piece in the way of step 1) again
The projection coordinate of sign point 8.The position of human body or the position of combined type localised puncture device are adjusted, obtains same characteristic point twice
Coordinate it is identical.It is preferred that the position of adjustment device, when human body is lain on bottom plate 6, the attachment beam 1 of bottom plate 6 and bottom of device is still
There is certain interval, it can the neatly mobile device under bottom plate 6.
It, will 5. the coordinate obtained by step 3) finds the position that puncture needle 7 needs to pass through in combined type localised puncture device
Puncture component adjusts the position passed through to needs.
As shown in fig. 6, should be developed the developed image difference of part 31 according to coordinate pair on CT image, finding on positioning plate 3 has
Difference in appearance development 31 entity of part.The support frame 21 being slidably connected on beam 1 pulls the inner tube 26 in scalable locating rod 22, makes
The center for puncturing ring 25 reaches the coordinate position of needs.
6. by sterile puncture is carried out after the disinfection of human body therapy region body surface, puncture needle 7 is successive by puncture ring 25 and fixed
Preset coordinate on the plate 3 of position is pierced into human body, can be pierced into target after reaching default paracentesis depth.
Embodiment 2
It is substantially the same manner as Example 1, except that: human body carries out MRI inspection in the present embodiment, checks using in MRI
In the material that can obviously develop.Development part 31 is hollow plastics, and what is encapsulated in ball is successively: cod-liver oil is mixed with the cod-liver oil of water
Lotion and pure water.Wherein water is weighted as upper in T1 in low signal, and cod-liver oil class is weighted as upper in T1 in high RST, and the two is in MRI
By difference of significantly developing when inspection.
Embodiment 3
It is substantially the same manner as Example 1, except that: combined type localised puncture device is additionally provided with Ultrasonic-B probe fixed frame, wears
It is carried out under B ultrasound monitoring when thorn, reduces Accessory injury.
Embodiment 4
As shown in fig. 7, the present embodiment is similar to Example 1, and except that: the development part 31 worn on positioning plate 3 is every
Adjacent 5 compositions one basic unit circulation, the cross section of the development part 31 in same basic unit is successively are as follows: ellipse, just
Circle, triangle, quadrangle and pentagon.
Embodiment 5
As shown in Figure 8 and Figure 9, the present embodiment is similar to Example 1, except that: positioning plate 3 is by a plurality of arranged in parallel
Development item 32 form, development item 32 develops the basic unit cycle arrangement that forms of parts 31 in a row by adjacent 5, same basic
The cross section of development part 31 in unit is successively are as follows: oval, round, semi-circular, semi-circular and annular.Non- developing material is by institute
Having development part 31 to wrap up becomes the identical cylindrical body of shape, and cylinder body thickness 5mm, cross section is the circle of diameter 2.5mm.It is more
A development part 31 is linked in sequence into development item 32, and multiple development items 32 connect into positioning plate 3.
Embodiment 6
As shown in figure 5, the present embodiment is similar to Example 1, and except that: the present embodiment is set on vertical attachment beam 1
There is positioning grillage 14, for placing second layer positioning plate 3.It can be found and be punctured by CT image or threedimensional model when puncture procedure
Needle, come positioning puncture needle, does not need the coordinate for calculating locating support again by the coordinate on two layers of positioning plate 3.
Embodiment 7
The present embodiment is similar to Example 1, except that: it is read and is sat using scalable straight-bar auxiliary in the present embodiment
Mark, scalable straight-bar are vertically connected in locating rod 22 by positioning sliding block 23, and scalable straight-bar is vertical with locating rod 22.Adjustment
Positioning sliding block 23 makes scalable straight-bar point to the certain point of body surface, then reading of the positioning sliding block 23 in locating rod 22 is exactly at this time
Coordinate of this relative to device.
Claims (9)
1. a kind of combined type localised puncture device, it is characterised in that: including group frame and positioning component；The group frame
Including jointing and attachment beam, the end of the attachment beam is connected by the jointing and is combined into frame structure；
The positioning component is connected on attachment beam, and the positioning component includes positioning plate and locating rod, the locating rod and positioning plate
In parallel；The locating rod and attachment beam are equipped with scale.
2. combined type localised puncture device as described in claim 1, it is characterised in that: the attachment beam is parallel by least two
The connecting rod of arrangement forms, and the end of the connecting rod is connect with the jointing, has gap between the connecting rod,
The size in the gap is 1mm~20mm, and the positioning plate and locating rod are movably connected on attachment beam by the gap.
3. combined type localised puncture device as described in claim 1, it is characterised in that: the attachment beam is logical equipped with long strip type
Hole, the width of the through-hole are 1mm~20mm, and the positioning plate and locating rod are movably connected in attachment beam by the through-hole
On.
4. combined type localised puncture device as described in claim 1, it is characterised in that: the locating rod at least one end is connected with
Locating support, the locating support is connected on attachment beam, for increasing the distance between locating rod and positioning plate.
5. combined type localised puncture device as described in claim 1, it is characterised in that: the locating rod is equipped with locating piece,
The locating piece is laser emitter or scalable straight-bar.
6. combined type localised puncture device as described in claim 1 or 4, it is characterised in that: the attachment beam, locating support,
Retractable structure is equipped with locating rod；The retractable structure includes inner and outer tubes, and said inner tube can be along outer tube wall
Scale is designed on the outer wall of sliding, said inner tube and outer tube.
7. combined type localised puncture device as described in claim 1, it is characterised in that: there is multiple rule rows on the positioning plate
The development part of column；The development part is developed grain or silk thread comprising developing material；The developing material includes x-ray development material
Material and/or nuclear magnetic resonance imaging material.
8. combined type localised puncture device as claimed in claim 7, it is characterised in that: the positioning plate is by frame, warp, latitude
Line and development part composition；The warp and weft both ends are connected on frame and weave networking, the warp or weft and frame
Junction is equipped with label；Warp and weft junction is equipped with development part.
9. combined type localised puncture device as claimed in claim 7, it is characterised in that: the development part rule on the positioning plate
It is arranged in rows and columns, two neighboring or more than two development parts form basic unit cycle arrangement in the row and/or column；It is described
The line space of development part is identical；The column pitch of the development part is identical；Development part in the same basic unit has development figure
Aberration is different and difference in appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837366.XU CN208426185U (en) | 2017-12-15 | 2017-12-15 | A kind of combined type localised puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837366.XU CN208426185U (en) | 2017-12-15 | 2017-12-15 | A kind of combined type localised puncture device |
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| CN208426185U true CN208426185U (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721837366.XU Expired - Fee Related CN208426185U (en) | 2017-12-15 | 2017-12-15 | A kind of combined type localised puncture device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913094A (en) * | 2017-12-15 | 2018-04-17 | 泗洪县正心医疗技术有限公司 | A kind of combined type localised puncture device and its localised puncture method |
| CN112890877A (en) * | 2019-11-19 | 2021-06-04 | 西安交通大学医学院第一附属医院 | Nephrology department biopsy puncture device |
-
2017
- 2017-12-15 CN CN201721837366.XU patent/CN208426185U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913094A (en) * | 2017-12-15 | 2018-04-17 | 泗洪县正心医疗技术有限公司 | A kind of combined type localised puncture device and its localised puncture method |
| CN112890877A (en) * | 2019-11-19 | 2021-06-04 | 西安交通大学医学院第一附属医院 | Nephrology department biopsy puncture device |
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Granted publication date: 20190125 Termination date: 20211215 |