CN206675577U - A kind of external assisted biopsy/positioner of 3D printing - Google Patents
A kind of external assisted biopsy/positioner of 3D printing Download PDFInfo
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- CN206675577U CN206675577U CN201620899497.XU CN201620899497U CN206675577U CN 206675577 U CN206675577 U CN 206675577U CN 201620899497 U CN201620899497 U CN 201620899497U CN 206675577 U CN206675577 U CN 206675577U
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Abstract
The utility model discloses a kind of external assisted biopsy/positioner of 3D printing, the biopsy/positioner is formed by 3D printing, and it includes：Centralized positioning module, the inserting needle duct for puncture needle inserting needle is offered in the centralized positioning module, the first neck is offered on the surface of the centralized positioning module；Feeler, its one end are provided with the first bayonet lock snapped connection with first neck, and the other end of the feeler is provided with the second bayonet lock；And fixed foot stool, including base and the leg being arranged on the base, the leg is set at an angle with the plane where the base, and the one end of the leg away from the base is provided with the second neck, and second neck snaps connection with second bayonet lock.The utility model biopsy/positioner use range is wide, the operating time shorten, mitigate patient suffering significantly, realize lump it is preoperative be accurately positioned and aspiration biopsy.
Description
Technical field
It the utility model is related to a kind of positioner for being used for pulmonary masses in hysteroscope art, more particularly to a kind of 3D printing
External assisted biopsy/positioner.
Background technology
In clinical position, the clinical problem for needing to use biopsy technique or operation consent location technology is frequently encountered.
Aspiration biopsy can specify lesion tissue type, determine pathological diagnosis, guiding clinical treatment.And the preoperative location technology pair of lump
In it is determined that excision extension is most important in art.
Above clinical problem includes lung tumors aspiration biopsy and preoperative positioning, thyroid needle biopsy, and breast puncture is lived
Inspection, the focus of hepatic region aspiration biopsy.
The prior art of preoperative positioning and aspiration biopsy will be introduced respectively below：
First, preoperative positioning：By taking lung tumors as an example, when needing to carry out Lung operation under thoracoscope, for lump too
Situation small, position is deeper, Chang Yin are not directly visible lump position in operation, influence the judgement for cutting off position.Mesh
Before, solve this clinical problem, determining the method for pulmonary masses position mainly there are three kinds：1. positioning is detected in art：Basis in art
Chest CT is touched method using hand in Lung neoplasm approximate range and touched, to determine Lung neoplasm position；2. through the wall of the chest under preoperative CT guiding
Hook-wire pilot pins position Lung neoplasm：It is preoperative CT guiding under, using hook-wire pilot pins through wall of the chest row lung puncture.It is logical
Cross and adjust and grope repeatedly, syringe needle is moved closer to pulmonary masses position, discharge " hook-type " metal material hook-wire filaments,
It is allowed to rest on lump and is positioned about pulmonary masses position.As long as by finding hook-wire crochet hook position, Bian Kefu in art
Help and determine lump position, and then determine the lung tissue scope of excision；3. through wall of the chest micro-coil Microsprings under preoperative CT guiding
Draw a circle to approve position Lung neoplasm：It is similar to foregoing hook-wire methods, it is preoperative that micro-coil microcoils are utilized under CT guiding through the wall of the chest
Row lung puncture, position pulmonary position.The foreign matter that the main distinction is to be discharged after puncturing in place is not metal hook, but one micro-
Type turn.Operating doctor is by the position where touching turn in art, it is determined that the scope of the lung tissue of required excision.
However, there is problems with existing preoperative location technology：1st, hand palpating manipulation can not be touched and lump in art：Pass through in art
Touch and confirm it is most direct, most accurate method on lump situation theory, but under many circumstances because of pulmonary masses in art
Quality it is partially tough, lump volume is too small, lump position is very deep and a variety of causes such as doctors experience is insufficient, can cause hand touch method touch
Less than or touch it is inaccurate, so as to which lung neoplasms can not be cut off completely；2nd, radio radiation influences：It is preoperative through CT through hook-wire
Pilot pin or the positioning of micro-coil microcoils guided puncture, are both needed to receive multiple CT in a short time, right to determine position point
Patient causes radiation effect；3rd, staffing and expense：It is preoperative through CT through hook-wire pilot pins or micro-coil Microsprings
Guided puncture positioning is enclosed, it is necessary at least two experienced medical worker's operations.On the one hand, the learning curve of training of medical workers
Gently, cultivation cycle is grown；On the other hand, the workload and medical expense of medical worker have been aggravated, the economy for adding patient is born
Load；4th, time-consuming for existing preoperative localization method, it is desirable to which patient is lain on one's side on CT beds with anchor for a long time, is subjected to puncture needle
Adjustment and repeatedly puncture repeatedly, it is very painful.And it has been for unconsciousness or the patient that can not coordinate of severe, prior art
Carried out completely without method.
Two, aspiration biopsy：By taking lung tumors as an example, current ultrasonic guided percutaneous biopsy technology, which turns into, to be obtained
The Main Means of lung periphery space occupying lesion tissue specimen, it is preoperative that size of tumor, internal echo and blood supply feelings are understood with conventional Ultrasound
Condition.To nothing or the part focus of few blood supply, contrast agent is injected through ulnar vein before puncturing, uses biopsy needle or cell taking gun progress
Materials.For the pulmonary masses of more superficial, directly touched using gimmick and determine knub position, punctured.For positioned at lung
It is dirty apart from skin deep lump farther out, it is necessary to carry out aspiration biopsy under CT guiding, patient's repeatedly drawing by CT is needed in art
Lead, puncture needle could be accurately positioned inside tumor.
However, there is problems with existing biopsy technique：1st, the space occupying lesion aspiration biopsy of lung periphery passes through intercostal space
Operation, probe and puncture needle mobile range are limited, and inserting needle easily injures rib and its nerve and blood vessel, and puncturing repeatedly to increase
The complication such as pneumothorax, bleeding；2nd, when focus no blood or few blood flow, the injection of contrast agent is carried out for liver, renal function
Infull patient can not be applicable；3rd, staffing and expense, percutaneous biopsy need could to improve after skilled grasp perform the operation into
Power, and the learning curve of training of medical workers is gentle, and being discontented with for patient can be caused when inexperienced doctor is punctured, and aggravates
The mental burden of patient.
Utility model content
The utility model proposes the external assisted biopsy of a kind of 3D printing/fixed to solve above mentioned problem of the prior art
Position device.Biopsy/positioner of the present utility model is the data obtained according to the image CT and human body three-dimensional scanner of patient,
External positioning/the biopsy device of personalization made using 3D printing technique, realize lump it is preoperative be accurately positioned or puncture work
Inspection.
To achieve the above object, the utility model uses following technical scheme：
One side of the present utility model is to provide a kind of external assisted biopsy/positioner of 3D printing, the work
Inspection/positioner is formed by 3D printing, and it includes：
Centralized positioning module, the inserting needle duct for puncture needle inserting needle is offered in the centralized positioning module, in described
The first neck is offered on the surface of heart locating module；
Feeler, its one end is provided with the first bayonet lock snapped connection with first neck, by the centralized positioning module
Prop up upwards, the other end of the feeler is provided with the second bayonet lock；And
Fixed foot stool, including base and the leg that is arranged on the base, the leg with it is flat where the base
Face is set at an angle, and the one end of the leg away from the base is provided with the second neck, second neck and described the
Two bayonet locks snap connection.
Further, the centralized positioning module is cylinder, cube or spheroid.
Further, the number of the feeler and fixed foot stool is more than or equal to 3；
Preferably, the centralized positioning module is cube, and the number of the feeler is for 4 and respectively positioned at described cube
On 4 sides of body, the number of the fixed foot stool is 4.
Further, the centralized positioning module is provided with the clamping dress for being used to make puncture needle be fixed in inserting needle duct
Put.
Further, the near-end of second neck and the connection of the base are the circular grooves being provided with by base
It is clasped and is flexibly connected with the ball-shaped proximal end of second neck.
Further, the centralized positioning module, feeler, the material of fixed foot stool select ABS resin, PLA, polyethylene
One or more in alcohol and nylon.
Further, the junction of second bayonet lock and second neck is provided with scale, to determine the feeler
Angle of inclination and vertical height.
Further, the lower surface of the base is flexure plane, the shape of the flexure plane and the shape one on thorax surface
Cause.
External assisted biopsy/positioner of second aspect 3D printing described in any one as described above of the present utility model
Preparation method, comprise the following steps：
(1) according to the obtained positioning picture with pulmonary masses of pretreatment, using modeling software to chest with
Lung with lump carries out Model Reconstruction, and projected position of the pulmonary masses in body surface is determined on thoracic cavity and lung model；
(2) according to the needle angle and depth precalculated, modeling software is reused in above-mentioned thoracic cavity and lung model
Umbrella biopsy/the location model for including centralized positioning modular model, feeler model and fixed foot stool model of upper structure fitting；
(3) locating module model, feeler model and fixed foot stool model are imported into printer respectively and carries out 3D printing, made
Obtain centralized positioning module, feeler and fixed foot stool；
(4) the locating module mould of 3D printing, feeler and fixed foot stool are assembled, produces biopsy/positioner.
Further, be provided with inserting needle duct in the centralized positioning modular model, the inserting needle duct and the thoracic cavity and
Pulmonary masses in lung model are located along the same line.
The utility model uses above-mentioned technical proposal, compared with prior art, has the following technical effect that：
External assisted biopsy/positioner of the utility model 3D printing, it is the image CT and human body three-dimensional according to patient
The data that scanner obtains, personalized external positioning+biopsy device is made using 3D printing technique, it is preoperative to realize lump
It is accurately positioned and aspiration biopsy；Tubercle can not be touched by avoiding the tactile method of hand；Reduce patient CT exposure, mitigate radiation damage
Evil；3D printing is made to measure according to patient data, is punctured accuracy and is improved, the operating time shortens, and mitigates patient suffering significantly；It is right
Patient compliance's degree requires low, is applicable to the patient that can not coordinate very well；Shorten the training time of operating personnel, be effectively utilized
Medical resource；Venipuncture, reduce the danger that complication occurs.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of external assisted biopsy/positioner of 3D printing of the utility model；
Fig. 2 is a kind of assembling schematic diagram of the external feeler of assisted biopsy/positioner one of 3D printing of the utility model；
Fig. 3 is a kind of centralized positioning module diagram of external assisted biopsy/positioner of 3D printing of the utility model；
Fig. 4 is a kind of feeler schematic diagram of external assisted biopsy/positioner of 3D printing of the utility model；
Fig. 5 is a kind of fixation foot stool schematic diagram of external assisted biopsy/positioner of 3D printing of the utility model；
Fig. 6 is the CT scan during a kind of use of external assisted biopsy/positioner of 3D printing of the utility model
Figure；6-1 schemes for physical examination CT, and CT schemes when 6-2 is Needle localization, and 6-3 is CT figures after Needle localization；
Wherein, 1- centralized positionings module, 11- inserting needles duct, the necks of 12- first, 2- feelers, the bayonet locks of 21- first, 22-
Two bayonet locks, 3- fix foot stool, 31- bases, 32- legs, the necks of 33- second, 4- thorax surface, 5- puncture needles, 6- points of puncture, 7-
Lump.
Embodiment
The utility model is described in more detail below by concrete application embodiment, for a better understanding of
The utility model, but following embodiments are not intended to limit the scope of the utility model.
As Figure 1-5, the utility model provides a kind of external assisted biopsy/positioner of 3D printing, biopsy/fixed
Position device is formed by 3D printing, and it includes：Centralized positioning module 1, as shown in figure 3, being offered in centralized positioning module 1 for wearing
The inserting needle duct 11 of the inserting needle of pricker 5, the first neck 12 is offered on the surface of centralized positioning module 1；Feeler 2, as shown in figure 4,
Its one end is provided with the first bayonet lock 21 that connection is buckled with the first neck card 12, and centralized positioning module 1 is propped up upwards, feeler 2
The other end is provided with the second bayonet lock 22；And fixed foot stool 3, as shown in figure 5, including base 31 and being arranged on the base 31
Leg 32, the leg 32 are set at an angle with the plane where the base 31, and the leg 32 is away from the base
31 one end is provided with the second neck 33, and second neck 33 snaps connection with second bayonet lock 22.
In biopsy/positioner of the present utility model, centralized positioning module 1 is cylinder, cube or spheroid；Feeler
2 number is more than or equal to 3.Preferably, as shown in Fig. 1 or 3, centralized positioning module 1 is cube, and the number of feeler 2 is 4
And respectively on cubical 4 sides.It is provided with centralized positioning module 1 and is used to make puncture needle 5 be fixed on inserting needle duct
Clamping device in 11.
Preferably, the connection of leg 32 and base 31 is by the spherical of the circular groove that base 31 is provided with and leg 32
Near-end is clasped flexible connection.Centralized positioning module 1, feeler 2, the material of fixed foot stool 3 select ABS resin, PLA, poly- second
One or more in enol and nylon.The junction of second bayonet lock 22 and the second neck 33 is provided with scale, to determine feeler 2
Angle of inclination and vertical height.The lower surface of base 31 is flexure plane, and the shape of flexure plane is consistent with the shape on thorax surface 4.
The utility model additionally provides a kind of preparation method of external assisted biopsy/positioner of 3D printing, including with
Lower step：
(1) according to the obtained positioning picture with pulmonary masses of pretreatment, using modeling software to chest with
Lung with lump carries out Model Reconstruction, and projected position of the pulmonary masses in body surface is determined on thoracic cavity and lung model；
(2) according to the needle angle and depth precalculated, modeling software is reused in above-mentioned thoracic cavity and lung model
Umbrella biopsy/the location model for including centralized positioning modular model, feeler model and fixed foot stool model of upper structure fitting；
(3) centralized positioning module, feeler model and fixed foot stool model are imported into printer respectively and carries out 3D printing, made
Obtain locating module mould, feeler and fixed foot stool；
(4) the locating module mould of 3D printing, feeler and fixed foot stool are assembled, produces biopsy/positioner.
Wherein, be provided with inserting needle duct in the centralized positioning modular model, inserting needle duct with thoracic cavity and lung model
Pulmonary masses are located along the same line.
Preparation method described above, the utility model biopsy/positioner is to utilize 3D printing technique, according to the body of patient
Table witness marker, the body surface projection position of focus, the needle angle and depth of the puncture needle precomputed, print personalization
The biopsy/positioner for including centralized positioning module, feeler mould and fixed foot stool, the device possesses following characteristics：
The biopsy/positioner outward appearance is in " spider " shape or octopus shape or umbrella, by multiple " fixed " feelers 2 " of foot stool 3 "
" centralized positioning module 1 " combines (such as Fig. 1-3)；Wherein,
As shown in Figures 2 and 3, " centralized positioning module 1 " is to offer the cylindrical type or cube or spheroid of the first neck 12,
Can be through 3D printing into aspiration biopsy module or preoperative locating module；It is relative on thorax surface 4 with the anchor point of feeler 2/
Position relationship is depending on the body surface projection of lump 7；Designed inserting needle duct is reserved with cubical centralized positioning module 1
11, rebuild according to patient CT computer three-dimensional and the position in internal inserting needle duct 11 and angle are designed, avoided due to dissection
Blocking caused by reason and mistaken ideas, and 3D printing manufacture is carried out, calculate the depth of pilot pin entrance；Fixed foot stool, feeler
Module three is combined as functional unit with centralized positioning；
As shown in figure 4, feeler 2 is also for that can be the supporting construction being recycled for multiple times, it is stainless steel material or plastics material
Material；Its both ends is respectively equipped with the first bayonet lock 21 and the second bayonet lock 22 with foot stool 3 and the centralized positioning module 1 of being connected；Feeler 2 with
There is scale the junction of fixed foot stool 3 (on the second bayonet lock 22 and the second neck 33), to determine the angle of feeler and height；
As shown in figure 5, " fixed foot stool 3 " forms for 3D printing, the body surface symbol of corresponding patient, such as suprasternal fossa, breastbone
Angle, xiphoid-process, C7, Ipsilateral wall of the chest twelfth rib etc., meet individual's demand, for determining the placement of positioner
, above there is the second neck 33 being connected with feeler 2 position, and the angle of inclination of the second neck 33 can adjust or use in printing
When regulation fix.The parameters such as curvature, the radian of foot stool portion bottom surface are fixed to be determined according to the actual situation of thorax surface 4 of patient.
The application method of biopsy/positioner of the present utility model is：
First, the fixed part of foot stool 3 is sought connections with patient's thorax body surface 4, is advised patient's depth air-breathing and is held one's breath, due to consolidating for device
The lower surface of base 31 for determining foot stool 3 prints according to patient body-surface positioning area individuation, therefore when device fixes the part of foot stool 3 and patient
Thorax be brought into close contact and without local stress/deformation in the case of, illustrate that patient body position is correct, device is installed in place；
After biopsy/positioner is put in place, the place orientation of inserting needle duct 11 is entering for puncture in centralized positioning module 1
Puncture needle 5 is inserted in pin position position, the inserting needle duct 1 through being reserved in centralized positioning module, and with the mark in centralized positioning module
Note point be reference, according to the data precalculated follow duct track insertion respective depth, make needle point arrival lump position or near,
As shown in Figure 1；
Preoperative positioning：Confirm that puncture needle position is good through CT, after patient is without significant complications sign, manual releasing hook-
Wire or turn, puncture needle 5 is extracted, Needle localization is completed after sterilizing bandaging；In art, by finding hook-wire or bullet
The position of spring coil, focus orientation, precise ablation pathological tissues can be determined；
Aspiration biopsy：Confirm that puncture needle position is good through CT, after patient is without significant complications sign, extract biopsy needle pin
Core, extract tissue specimen.
Application Example
Male patient one, 65 years old age, as in Figure 6-1, physical examination CT find that there is ground glass tubercle shadow one middle lobe of right lung
Individual (CT1).
Chest digital three-dimensional model is rebuild using the preoperative CT of patient.Measured and designed according to mathematical model, tubercle
Body surface projection is between right side anterior axillary line the 4th, 5 ribs；Using the plane tangent with patient's thorax as datum water level, with body surface
Subpoint is origin, it is specified that three-dimensional system of coordinate：Wherein x-axis positive direction substantially points to patient's head end, y-axis positive direction by patient's tail end
Patient's veutro is substantially pointed to by patient's dorsal part, z weeks positive direction on the inside of patient substantially by pointing on the outside of patient.Needle angle and x, y,
It is respectively 41 °, 49 °, 7 ° that z-axis positive direction, which shortens angle into, and depth of needle is 5cm with respect to subpoint.
Using 3DMax Software on Drawing device sketches, the fixed foot stool of five, device attaches the surface traveling of patient's wall of the chest, wide
1.5cm, high 1cm；End corresponds to suprasternal fossa, angulus sterni, xiphoid-process, spinous process of the seventh cervical vertebrae and right side twelfth rib and ridge respectively
The angle of cut of post；5 tentacles converge at body surface projection point that is, centralized positioning module.
Centralized positioning module is cylinder, and high 3cm diameters 3cm, and 5 tentacles are connected as a body.Centralized positioning module is certainly
There are the reserved insertion ducts of a diameter 21G upper surface to lower surface, and its angle is identical with foregoing needle angle, and lower end corresponds to nodular organs
Table subpoint, upper end are into pin hole.
The three-dimensional digital model of generation is imported into printed driver, after layering analysis and internal structure calculate,
By the use of rigid transparent hard material as raw material, finished product model is printed with the method for heat fusing layer.Through hospital supply room
After oxirane disinfection, it is packaged in standby in sterile bag.
Patient lies low on CT machine check beds, fully exposes thorax, right side thorax routine preoperative disinfection.Doctor is operated with nothing
Bacterium gloves, auxiliary locator is taken out out of sterile bag, the right wall of the chest of patient is fixed in positioner placement.Patient is advised to inhale deeply
After gas, it is good to check that each anchor point is aligned by doctor, feeler does not receive ABNORMAL STRESS influence, and whole device can tightly attach Ipsilateral
Thorax.
Puncture needle one is taken, checks again for auxiliary locator position before doctor's operation, and centralized positioning is determined with Palpation
Module is not above rib or rib lower edge is at nervus vasculairs.Follow reserving hole channel angle and slowly insert puncture needle, directly
To predetermined depth of needle.Leading CT examination after positioner is removed, as in fig. 6-2, determines puncture needle position on inspection
Ideal, without any adjustment, Gu Shifangdanhuangquan, as shown in Fig. 6-3, extract puncture needle, routine disinfection wrapping.Observe half an hour
After being showed without complication, send patient back to ward wait and choose date for operation.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, and this practicality is new
Type is not restricted to particular embodiments described above.To those skilled in the art, it is any that the utility model is carried out
Equivalent modifications and substitute also all among category of the present utility model.Therefore, spirit of the present utility model and model are not being departed from
Lower made impartial conversion and modification are enclosed, should all be covered in the scope of the utility model.
Claims (9)
1. external assisted biopsy/positioner of a kind of 3D printing, it is characterised in that the biopsy/positioner is by 3D printing
Form, it includes：
Centralized positioning module, the inserting needle duct for puncture needle inserting needle is offered in the centralized positioning module, the center is determined
The first neck is offered on the surface of position module；
Feeler, its one end is provided with the first bayonet lock snapped connection with first neck, and the centralized positioning module is upward
Prop up, the other end of the feeler is provided with the second bayonet lock；And
Fixed foot stool, including base and the leg that is arranged on the base, the leg be in the plane where the base
Certain angle is set, and the one end of the leg away from the base is provided with the second neck, second neck and the described second card
Pin snaps connection.
2. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that determine at the center
Position module is cylinder, cube or spheroid.
3. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that the feeler and
The number of fixed foot stool is more than or equal to 3.
4. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that determine at the center
Position module, which is provided with, to be used to make the clamping device that puncture needle is fixed in inserting needle duct.
5. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that second card
The connection of the near-end of groove and the base is the ball-shaped proximal end card by the circular groove that base is provided with and second neck
Snap fit, which is closed, to be flexibly connected.
6. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that determine at the center
Position module, feeler, the material of fixed foot stool select the one or more in ABS resin, PLA, polyvinyl alcohol and nylon.
7. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that second card
The junction of pin and second neck is provided with scale, to determine the angle of inclination of the feeler and vertical height.
8. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that the base
Lower surface is flexure plane, and the shape of the flexure plane is consistent with the shape on thorax surface.
9. external assisted biopsy/positioner of 3D printing according to claim 1, it is characterised in that it is described enter pin hole
Road is located along the same line with the pulmonary masses on thoracic cavity and lung model.
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| CN201620899497.XU CN206675577U (en) | 2016-08-18 | 2016-08-18 | A kind of external assisted biopsy/positioner of 3D printing |
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| CN201620899497.XU CN206675577U (en) | 2016-08-18 | 2016-08-18 | A kind of external assisted biopsy/positioner of 3D printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073865A (en) * | 2016-08-18 | 2016-11-09 | 上海市肺科医院 | External assisted biopsy/positioner that a kind of 3D prints and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073865A (en) * | 2016-08-18 | 2016-11-09 | 上海市肺科医院 | External assisted biopsy/positioner that a kind of 3D prints and preparation method thereof |
| CN106073865B (en) * | 2016-08-18 | 2019-09-10 | 上海市肺科医院 | A kind of external assisted biopsy/positioning device of 3D printing and preparation method thereof |
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Effective date of registration: 20210728 Address after: 201306 2nd floor, no.979 Yunhan Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai lanhui Medical Technology Co.,Ltd. Address before: No. 507, Zhengmin Road, Yangpu District, Shanghai 200082 Patentee before: SHANGHAI PULMONARY Hospital |