CN110076993A - A kind of medical three dimension model printer - Google Patents
A kind of medical three dimension model printer Download PDFInfo
- Publication number
- CN110076993A CN110076993A CN201910397276.0A CN201910397276A CN110076993A CN 110076993 A CN110076993 A CN 110076993A CN 201910397276 A CN201910397276 A CN 201910397276A CN 110076993 A CN110076993 A CN 110076993A
- Authority
- CN
- China
- Prior art keywords
- package assembly
- nozzle shaft
- printer
- negative
- feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000010079 rubber tapping Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000010146 3D printing Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000003086 colorant Substances 0.000 abstract description 11
- 238000007639 printing Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012752 Hepatectomy Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 210000004185 liver Anatomy 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 210000000013 bile duct Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002440 hepatic effect Effects 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000012274 Preoperative evaluation Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007640 computer printing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention discloses a kind of medical three dimension model printers, connection nozzle shaft and package assembly are rotated including axis, and setting corresponds to each other the feed inlet and multiple feeding-passages of cooperation between nozzle shaft and package assembly, the wire material raw material that each charging passes through supply different colours, it realizes and is rotated by nozzle shaft, make feed inlet and the corresponding cooperation of different feeding-passages, realize the replacement for carrying out color, simultaneously, pass through setting negative-pressure suction mouth and negative pressure channel, it can be effectively when replacing color, nozzle shaft rotation makes the connection corresponding with negative pressure channel of negative-pressure suction mouth first, the former color stock in tapping channel is sucked out by negative pressure, remove residual raw materials, the device tubing for printing different colours raw material is clear and legible.Convenient for preoperative clear organizer pipe internal structure and simulated maneuver, operation precision and quality are improved, using effect is good, and practicability is stronger, and should be widely promoted application.
Description
Technical field
The present invention relates to technical field of medical equipment, in particular to a kind of medical three dimension model printer.
Background technique
In the hepatectomy clinic of surgery, since liver is 3 D stereo organ, and internal blood vessel and bile duct exist
Compared with multi-Vari, structure is complicated, in addition hepatic tissue matter is crisp, easy bleeding, brings great difficulty to the clinical manipulation of hepatectomy.
Hepatectomy experienced that " blindness hepatectomy ", " systematicness hepalobectomy ", " irregular part hepatectomy ", " hepatic segments is cut
Except art " and " accurate hepatectomy " several developing stage, it constantly pursues and moves towards and is accurate.
Currently, precisely hepatectomy is the theory of surgery of liver, still, traditional imageological examination is not able to satisfy accurate preoperative
The requirement of assessment, in recent years, with the development of computer and 3D printing technique, three-dimensional reconstruction and 3D printing technique are led in medical treatment
The application in domain is also more and more extensive.Rich blood vessel in the devices tubing such as liver, using multiple color to blood vessel, bile duct and lesion
Divide and be distinguish, will bring great convenience to accurate preoperative evaluation, accurate hepatectomy is significant to implementing.
Traditional 3D printer is typically only capable to print a kind of consumptive material, and when realizing multiple color printing, there are thread-changings not
Just, inefficiency after part printer is using printing layer of material, then sprays one layer of corresponding color, printing alternate, printing
The desalination of model color, fuzzy, tissue resolution is unclear, there are also part printer using multiple printing heads to regard to a variety of different colours
Material, often occur the case where non-print spray head color water clock or blocking in use process.
Therefore, a kind of medical three dimension model printer reliable and stable, printer model is clear and high-efficient is needed.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of medical three dimension model printer, it can be effective
The organizers such as patient's liver pipe and diseased region are printed into model using the consumptive material of a variety of different colours, device tubing is clearly demarcated,
Convenient for clear organizer pipe internal structure and preoperative simulated maneuver in the preoperative, precision is improved, reduces operating difficulty, improves operation
Quality.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of medical three dimension model is beaten
Print machine, including be arranged in the intracorporal 3D printing assembly of case and print platform, the 3D printing assembly includes and three-dimensional moving mechanism
Fixing seat, nozzle shaft and the package assembly of connection, wherein nozzle shaft and the rotation of package assembly axis connect, the package assembly and the fixation
Seat is fixedly connected by connector, and the nozzle axis center has axial direction discharge channel, tapping channel and package assembly axis rotary sleeve
Socket part position side has the feed inlet and negative-pressure suction mouth that be connected tos with tapping channel, on the package assembly with respectively with it is described into
The feeding-passage and negative pressure channel of material mouth and the corresponding cooperation of negative-pressure suction mouth, the feeding-passage are multiple.
The bottom of box has pedestal, and Z-direction driving motor, driving wheel, driven wheel are arranged in the pedestal, sets in cabinet
Multiple Z-direction driving thread spindles are equipped with, thread spindle lower end extends to and is connected respectively driven wheel in pedestal, and driving wheel is located at multiple
The center of driven wheel, at the same with multiple driven wheels engaged transmission.
The nozzle shaft and package assembly sealing fitted shaft rotation connect, the top of nozzle shaft and package assembly coupling part and under
Portion is respectively arranged with sealing ring.
Pressure ring is respectively arranged with up and down in package assembly on the nozzle shaft, the contact surface side circumferential direction cloth on pressure ring with package assembly
Equipped with ball, with the annular groove of cooperation corresponding with the ball on package assembly.
The feeding-passage is incline structure.
Wire rod in the feeding-passage at least one feeding-passage is transparent material.
The feeding-passage passes through wire rod pipeline and connect with the incoming line on cabinet.
Wire rod controller is provided at the incoming line.
The nozzle shaft top and control motor linkage arranged on the fixing seat.
The feed inlet and negative-pressure suction mouth have the radial angle of certain angle and/or the axial height of certain altitude
Difference keeps feed inlet and feeding-passage, negative-pressure suction mouth and negative pressure channel not corresponding simultaneously.
Dismountable material collecting box is provided on the package assembly, material collecting box is connected to the negative pressure channel, and passes through negative pressure
Pipe is connect with negative pressure device.
The nozzle shaft and package assembly that the present invention is connected by using axis rotation, and be arranged mutually between nozzle shaft and package assembly
The feed inlet of corresponding matching and multiple feeding-passages, each charging passes through the wire material raw material of supply different colours, thus effectively
It realizes and is rotated by nozzle shaft, make feed inlet and the corresponding cooperation of different feeding-passages, realize the replacement for carrying out color, together
When, it, can be effectively when replacing color by setting negative-pressure suction mouth and negative pressure channel, nozzle shaft rotation first makes negative-pressure suction mouth
Former color stock in tapping channel is sucked out by negative pressure, removes residual raw materials, make not by connection corresponding with negative pressure channel
The device tubing printed with color stock is clear and legible.
Preferably, feeding-passage uses incline structure, can effectively facilitate charging, by using a kind of line of transparent material
Material can print external structure using the transparent wire rod, easily and intuitively see the inside of other colors printing in printer model
Device tubing or lesion portion easily facilitate preoperative clear organizer pipe internal structure and simulated maneuver, improve operation precision
And quality.
The present invention can effectively avoid that the inconvenience of 3D printer thread-changing in the prior art, Ambiguity resolution be unclear and non-print spray head
The case where color water clock or blocking, using effect is good, and practicability is stronger, and should be widely promoted application.
Detailed description of the invention
The present invention is further described with reference to the accompanying drawing:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of print head；
Fig. 3 is the overlooking structure diagram of nozzle shaft and package assembly；
Fig. 4 is the section structural schematic diagram of feed inlet；
Fig. 5 is the structural schematic diagram of box top；
Fig. 6 is a kind of printing effect figure.
Specific embodiment
With reference to embodiment, the present invention is further elaborated on.
Referring to Fig. 1-5, medical three dimension model printer of the invention, including cabinet 1 and the 3D printing being arranged in cabinet 1
Assembly and print platform 2,1 bottom of cabinet have pedestal 3, and 3D printing assembly includes three-dimensional moving mechanism and and three-dimensional moving mechanism
Connect control print head 4, three-dimensional moving mechanism include be arranged in the pedestal 3 be arranged Z-direction driving motor 5, driving wheel 6,
Driven wheel 7 is provided with 4 Z-directions driving thread spindles 6 in cabinet 1, and 6 lower end of thread spindle, which extends in pedestal 3, is connected respectively 4
A driven wheel 7, driving wheel 6 are located at the center of 4 driven wheels 7, at the same with 47 engaged transmissions of driven wheels, in the cabinet 1,
Thread bush 9 is threaded on each thread spindle 6, a horizontal frame is connect by thread bush 9 with the thread spindle 6, horizontal
The X of right-angled intersection is provided in frame to slide bar and Y-direction slide bar, X passes through drive control machine to slide bar and Y-direction slide bar both ends respectively
Structure controls it and slides along horizontal frame side, and one has the slide 10 with X to slide bar and the corresponding slide opening of Y-direction slide bar, leads to
It crosses the slide opening while being slidably located in X on slide bar and Y-direction slide bar, slide 10 is controlled in frame to slide bar and Y-direction slide bar by X
Moved in frame plane, realize to the X of print head to and the mobile control of Y-direction, pass through 4 Z-directions and drive 6 controlled level frames of thread spindle
And the movement of print head Z-direction, each thread spindle 6 are driven simultaneously using same driving wheel 6, realization moves synchronously, and can effectively improve level
The stability of frame.
The print head 4 includes that fixing seat 41, nozzle shaft 42 and package assembly 43, wherein nozzle shaft 42 and package assembly 43 seal
The upper and lower part of fitted shaft rotation connection, nozzle shaft 42 and 43 coupling part of package assembly is respectively arranged with graphite Simmer ring
413, be respectively arranged with pressure ring 414 in about 43 package assembly on nozzle shaft 42, carry out limit up and down, on pressure ring 414 with package assembly
43 contact surface side is circumferentially laid with ball, and the annular groove with cooperation corresponding with the ball on package assembly 43 is realized
Ball rolling friction between the pressure ring 414 limited up and down and package assembly 43 reduces frictional resistance.
The package assembly 43 is fixedly connected with the fixing seat 41 by connecting column 40, fixing seat 41 and the fixed company of slide 10
It connects, 42 top of nozzle shaft is linked with the stepping rotation control motor 49 being arranged in fixing seat 41, to drive the nozzle shaft 42
Rotation.42 center of nozzle shaft has axial direction discharge channel 44, and 44 lower end of tapping channel goes out at 42 lower end nozzle of nozzle shaft
Material, nozzle shaft 42 is structure as a whole or the spray nozzle part of its lower end is detachably connected using fission, is arranged outside spray nozzle part
Temperature control mechanism 412, the solidification after realizing the fusing and spraying printing to consumptive material in tapping channel 44.Nozzle shaft 42 and package assembly 43
The side of axis rotation belled position has the feed inlet 45 and negative-pressure suction mouth 46 being connected to tapping channel 44, the package assembly 43
It is upper have the feeding-passage 48 of cooperation corresponding with the feed inlet 45 respectively and with the corresponding cooperation of negative-pressure suction mouth 46
Negative pressure channel 47, the feeding-passage 48 be it is multiple, the present embodiment use 4, respectively correspond feeding 4 kinds of different colours wire rod
Raw material, the feeding-passage 48 is incline structure, and passes through corresponding wire rod pipeline 11 and the inlet wire on 1 top surface of cabinet respectively
Mouth 13 connects, and wire rod pipeline 14 preferably uses screwed pipe, is provided with wire rod controller 12 at incoming line 13, is controlled by wire rod
Device 12 controls the forward and back and stopping movement of different wire feedstocks respectively.
By the rotation of nozzle shaft 42 and 43 relative angle of package assembly, wire rod is truncated, meanwhile, make feed inlet 45 transformation with
The different corresponding cooperations of feeding-passage 48, the wire rod of color is supplied to the tapping channel of nozzle shaft 42 when will be different, is realized
The consumptive material of replacement different colours is printed, and during replacing color, nozzle shaft 42 rotates first, and wire rod is made to be truncated and melt
Change, then rotate corresponding with negative pressure channel 47 to negative-pressure suction mouth 46, by the suction of the remaining wire rod of fusing, avoids different colours
Wire rod mix, cause printer model color mixed and disorderly, smudgy.
Preferably, the feed inlet 45 and negative-pressure suction mouth 46 have the radial angle and/or certain altitude of certain angle
Axial difference in height, keep feed inlet 45 and feeding-passage 48, negative-pressure suction mouth 46 and negative pressure channel 47 not corresponding simultaneously, it is described into
The outer end of material mouth 45 has blade 451, more utilizes and wire rod is truncated, and reduces rotational resistance.
Another step is preferred, and dismountable material collecting box 410, material collecting box 410 and institute are threaded on the package assembly 43
State the connection of negative pressure channel 47, and connect with the negative port 14 of 1 top surface of cabinet by negative tube 411, then pass through control valve and
External negative pressure device connection, referring to Fig. 2,43 bottom surface of package assembly has the thread groove being threadedly coupled with material collecting box 410, negative tube
411 and negative pressure channel 47 be respectively communicated to the top of thread groove, material collecting box 410 is threadably mounted in thread groove, is realized negative
When pressing suction, residual raw materials enter negative pressure channel 47 through negative-pressure suction mouth 46, then fall into material collecting box 410, and recycling is temporary.
Medical three dimension model printer of the invention automatically switches the wire rod of different colours, and remaining consumptive material is automatically clear
Reason, the device tubing for printing different colours raw material is clear and legible, referring to Fig. 6, is convenient for preoperative clear organizer pipe internal junction
Structure and simulated maneuver improve operation precision and quality, and using effect is good, and practicability is stronger, and should be widely promoted application.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to technical solution illustrated in the above embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.Technical solution of the present invention is not restricted in the range of embodiment of the present invention.The present invention is not detailed
The technology contents of description are well-known technique.
Claims (10)
1. a kind of medical three dimension model, including be arranged in the intracorporal 3D printing assembly of case and print platform, it is characterised in that: it is described
3D printing assembly includes the fixing seat connecting with three-dimensional moving mechanism, nozzle shaft and package assembly, wherein nozzle shaft and package assembly axis
Rotation connection, the package assembly are fixedly connected with the fixing seat by connector, and the nozzle axis center has axial direction discharge
Channel, tapping channel have the feed inlet and negative-pressure suction being connected to tapping channel with package assembly axis rotation belled position side
Mouthful, have the feeding-passage of cooperation corresponding with the feed inlet and negative-pressure suction mouth respectively and negative pressure logical on the package assembly
Road, the feeding-passage are multiple.
2. printer as described in claim 1, it is characterised in that: the bottom of box has pedestal, and Z is arranged in the pedestal
To driving motor, driving wheel, driven wheel, multiple Z-direction driving thread spindles are provided in cabinet, thread spindle lower end extends in pedestal
Be connected respectively driven wheel, driving wheel is located at the center of multiple driven wheels, while with multiple driven wheels engaged transmissions.
3. printer as described in claim 1, it is characterised in that: the nozzle shaft and package assembly sealing fitted shaft rotation connect
It connects, the upper and lower part of nozzle shaft and package assembly coupling part is respectively arranged with sealing ring.
4. printer as described in claim 1, it is characterised in that: be respectively arranged with pressure up and down in package assembly on the nozzle shaft
Ring, is circumferentially laid with ball on pressure ring with the contact surface side of package assembly, with cooperation corresponding with the ball on package assembly
Annular groove.
5. printer as described in claim 1, it is characterised in that: the feeding-passage is incline structure.
6. printer as described in claim 1, it is characterised in that: the line in the feeding-passage at least one feeding-passage
Material is transparent material.
7. printer as described in claim 1, it is characterised in that: the feeding-passage passes through on wire rod pipeline and cabinet
Incoming line connection.
8. printer as described in claim 1, it is characterised in that: be provided with wire rod controller at the incoming line.
9. printer as described in claim 1, it is characterised in that: the nozzle shaft top and control arranged on the fixing seat
Motor linkage.
10. printer as described in claim 1, it is characterised in that: be provided with dismountable material collecting box on the package assembly, collect
Magazine is connected to the negative pressure channel, and is connect by negative tube with negative pressure device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397276.0A CN110076993A (en) | 2019-05-14 | 2019-05-14 | A kind of medical three dimension model printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397276.0A CN110076993A (en) | 2019-05-14 | 2019-05-14 | A kind of medical three dimension model printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110076993A true CN110076993A (en) | 2019-08-02 |
Family
ID=67420042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910397276.0A Pending CN110076993A (en) | 2019-05-14 | 2019-05-14 | A kind of medical three dimension model printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110076993A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203937194U (en) * | 2014-06-13 | 2014-11-12 | 苏州探索者机器人科技有限公司 | A kind of 3D printer single spraying head multiple material switching device shifter |
| CN104742364A (en) * | 2013-12-29 | 2015-07-01 | 周建 | Six-channel aggregation-fusion type squeezing nozzle for fused deposition modeling type color three-dimensional printer |
| CN104921840A (en) * | 2015-06-08 | 2015-09-23 | 浙江大学 | Single-sprayer multi-source biological 3D (three-dimension) printing device and method thereof |
| CN105946242A (en) * | 2016-05-24 | 2016-09-21 | 昆山英福斯三维科技有限公司 | Automatic color changing machine of 3D printer |
| CN206579132U (en) * | 2017-02-25 | 2017-10-24 | 深圳市御剑新思维科技有限公司 | A kind of consumptive material recycle 3D printer |
| CN210047078U (en) * | 2019-05-14 | 2020-02-11 | 李连海 | Medical three-dimensional model printer |
-
2019
- 2019-05-14 CN CN201910397276.0A patent/CN110076993A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742364A (en) * | 2013-12-29 | 2015-07-01 | 周建 | Six-channel aggregation-fusion type squeezing nozzle for fused deposition modeling type color three-dimensional printer |
| CN203937194U (en) * | 2014-06-13 | 2014-11-12 | 苏州探索者机器人科技有限公司 | A kind of 3D printer single spraying head multiple material switching device shifter |
| CN104921840A (en) * | 2015-06-08 | 2015-09-23 | 浙江大学 | Single-sprayer multi-source biological 3D (three-dimension) printing device and method thereof |
| CN105946242A (en) * | 2016-05-24 | 2016-09-21 | 昆山英福斯三维科技有限公司 | Automatic color changing machine of 3D printer |
| CN206579132U (en) * | 2017-02-25 | 2017-10-24 | 深圳市御剑新思维科技有限公司 | A kind of consumptive material recycle 3D printer |
| CN210047078U (en) * | 2019-05-14 | 2020-02-11 | 李连海 | Medical three-dimensional model printer |
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