CN208812547U - 3D printing device for grafting for burns - Google Patents
3D printing device for grafting for burns Download PDFInfo
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- CN208812547U CN208812547U CN201820222890.4U CN201820222890U CN208812547U CN 208812547 U CN208812547 U CN 208812547U CN 201820222890 U CN201820222890 U CN 201820222890U CN 208812547 U CN208812547 U CN 208812547U
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Abstract
The utility model relates to 3D printer technical fields, and in particular to a kind of 3D printing device for grafting for burns.The utility model aims to solve the problem that the problem of transplanting skin made in the prior art and patient's burned part geomery are misfitted.For this purpose, the utility model provides a kind of 3D printing device for grafting for burns, wherein, 3D printing device includes scanning device, controller and difference the first print system connected to the controller and the second print system, wherein, scanning device is used to scan the geomery of patient's burned part, and controller controls the structural model and transplanting skin of the first print system and the second print system printing patient's burned part for receiving the burned part geomery that scanning device scans.The utility model prints the structural model of patient's burned part by the first print system, prints transplanting skin on structural model by the second print system, effectively increases the shape and size precision of transplanting skin.
Description
Technical field
The utility model relates to 3D printer technical fields, and in particular to a kind of 3D printing device for grafting for burns.
Background technique
What this part provided is only background information relevant to the disclosure, is not necessarily the prior art.
Burn shaping and surgical wound reparation are operations very common in modern clinic, it is however generally that, for convenience to trouble
Person and its family members explain, in order to avoid generate unnecessary misunderstanding, need before burn shaping or surgical wound reparation by
The position repaired is needed to make a structural model according to patient.It is general in the prior art to utilize manual or machining side
Formula makes simple patient positions' structural model, and these structural models are to be put into factory's medium quantity batch processing to be then placed in
It is carried out in each hospital using the true shape size of patient's burned part can not be reacted.
In order to solve the above-mentioned technical problem, research staff scans the burned part of patient by scanning device, and according to sweeping
Retouch the structural model that the image that equipment scans makes patient's burned part using 3D printer, then the transplanting skin that will be completed
Skin is transplanted on structural model, whether reaches requirement with the geomery matching degree that this detects transplanting skin and structural model, this
Though method solves the problems, such as that structural model in the prior art is unable to correct response patient's burned part geomery,
It is that the structural model that the method is produced is used only for the shape and size precision and matching degree of detection transplanting skin, can not mentions
The producing efficiency and shape and size precision of height transplanting skin.
Utility model content
The purpose of this utility model is to propose a kind of structure in patient's burned part in view of the above shortcomings of the prior art
The 3D printing device of manufacture transplanting skin reduces transplanting dermatoplasty to improve the shape and size precision of transplanting skin on model
The geomery occurred when to patient's burned part misfits phenomenon.The purpose is achieved through the following technical solutions.
The utility model provides a kind of 3D printing device for grafting for burns, wherein 3D printing device includes: scanning
Equipment, scanning device are used to scan the geomery of patient's burned part；Controller, control
Device is connect with scanning device, the geomery scanned for receiving scanning device；First print system, first dozen
Print system is connect with controller, and controller controls the structure mould of the first print system printing patient's burned part according to geomery
Type；Second print system, the second print system are connect with controller, and controller controls the second print system according to structural model and exists
The transplanting skin of patient's burned part is printed on structural model.
Preferably, 3D printing device further includes molding room, and the first print system and the second print system are set to molding room
Position that is interior or being set to close molding room outside molding room.
Preferably, the first print system includes: the first feed tank, and the first feed tank is set in molding room, the first feed
The first printing material is stored in case；Shaping box, shaping box are set to the position in molding room close to the first feed tank, shaping box
For receiving the first printing material of the first feed tank offer；Heating device, the heating gate of heating device are set to molding ceiling
Portion is located at the position right above shaping box, for the first printing material heating fusing in shaping box to be formed structural model.
Preferably, heating device includes: laser, and laser is set to the position outside molding room close to molding room；Laser
Transmitting pipe, the first end of laser transfer pipe are connect with laser, and the second end of laser transfer pipe and molding room penetrate through, and laser
The second end for passing pipe is located at right above shaping box.
Preferably, the second print system includes: the second feed tank, and the second feed tank is set to outside molding room close to molding room
Position, store the second printing material in the second feed tank；Spray head, spray head connect with the second feed tank and are set to molding room
Top, for receiving the second printing material and printing the second printing material to forming transplanting skin on structural model.
Preferably, 3D printing device further includes mobile device, and mobile device is set to molding room bottom and connects with shaping box
It connects, the structural model in shaping box and shaping box can be moved to the lower section of the spray head of the second print system by mobile device.
Preferably, mobile device includes: ball screw driving device, and the driving screw rod of ball screw driving device is laterally set
It is placed in the lower section of shaping box, and the driving nut of ball screw driving device is connected to the bottom of shaping box by connecting rod, driven
Dynamic nut can drive shaping box to move between the second end and spray head of laser transfer pipe under the driving of driving screw rod.
Preferably, 3D printing device further include: fluid pressure drive device, fluid pressure drive device are set to the bottom of molding room,
Fluid pressure drive device includes the output shaft of vertical direction, and the end of output shaft is provided with support plate, ball screw driving device position
In in support plate, the output shaft of fluid pressure drive device is able to drive the ball screw driving device in support plate and support plate and erects
Histogram is to movement.
Preferably, 3D printing device further include: preheating chamber, preheating chamber are communicated with molding room, in laser fusing the
Molding room is preheated before one printing material；Plenum chamber stores protection gas in plenum chamber, and plenum chamber is communicated with preheating chamber,
Indoor protection air-flow preheated room inflow molding room is inflated to preheat molding room.
Preferably, 3D printing device further include: the bleeding point of air-extractor, air-extractor is communicated with molding room, is used for
Preheating chamber extracts before being preheated to molding room and forms indoor air.
It will be appreciated to those of skill in the art that passing through 3D printing device in the technical solution of the utility model
First print system prints the structural model of patient's burned part, by the second print system of 3D printing device in structural model
It is upper to print the transplanting skin that matches with structural model, so as to improve the producing efficiency and shape and size precision for transplanting skin,
There is the phenomenon that geomery is misfitted when reducing transplanting dermatoplasty to patient's burned part.Specifically, the first print system
In first printing material be print skeleton structure common used material such as metal and ceramic powders, first print material at
The structural model of patient's burned part is molten into molding box through laser, the second printing material in the second print system is that printing moves
Make skin graft the biomaterials such as the common material of skin such as human body cell, the second printing material through spray head spray to formed on structural model with
The transplanting skin that structural model geomery matches.
Further, it is additionally provided with preheating chamber in the 3D printing device of the utility model, it is molten in laser by preheating chamber
Change before metal powder waits rapidoprint and molding room is preheated, metal powder when can reduce laser fusing metal powder
With the temperature gradient of molding room environmental, to reduce the built-in thermal stress in structural model forming process, still further, preheating
Room protects gas to preheat molding room by inert gas etc. can reduce the indoor air of molding and structural model
The phenomenon that learning reaction.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that a kind of shaping box of embodiment of the utility model is in the first print system.
Fig. 2 is the side view that shaping box shown in Fig. 1 is in the first print system.
Fig. 3 is the structural schematic diagram that a kind of shaping box of embodiment of the utility model is in the second print system.
10, scanning device；20, controller；30, molding room；41, the first feed tank；42, shaping box；43, laser；
44, laser transfer pipe；45, the first feeding motor；46, the second feeding motor；47, scraper plate；51, the second feed tank；52, spray head；
61, screw rod is driven；62, nut is driven；63, connecting rod；71, hydraulic cylinder；72, output shaft；73, support plate；81, preheating chamber；82,
Gas ducting；90, air-extractor.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise" and " having " are inclusives, and therefore indicate that institute is old
The presence of feature, element and/or the component stated, but presence is not precluded or adds one or more of the other feature, element, portion
Part, and/or their combination.
Although multiple element, component, region, layer and/or portion can be described using term first, second etc. in the text
Section still these component, assembly units, region, layer and/or is limited by these terms than Duan Buying.These terms can only be used to
One component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context it is manifestly intended that
Otherwise sequence or secondary is not implied that when the term and other numerical terms of such as " first ", " second " etc use in the text
Sequence.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State for " below other elements or feature " either the element " below other elements or feature " will then be orientated "
On other elements or feature
Face " is either " above other elements or feature ".Therefore, exemplary term " in ... lower section " may include upper
With the orientation under.In addition device, which can be oriented and (is rotated by 90 ° or in other directions), and space used herein is opposite closes
It is that descriptor correspondingly explains.
Fig. 1 is the structural schematic diagram that a kind of shaping box of embodiment of the utility model is in the first print system.
Fig. 2 is the side view that shaping box shown in Fig. 1 is in the first print system.
Fig. 3 is the structural schematic diagram that a kind of shaping box of embodiment of the utility model is in the second print system.
As shown in Figure 1, Figure 2 and Figure 3, embodiment according to the present utility model, 3D printing device include scanning device 10, control
Device 20, molding room 30, the first print system and the second print system processed, wherein scanning device 10 include X-ray tube, detector and
Scanning support, the shaped size information of the scanning induction patient's burned part of scanning device 10, and believed according to the geomery sensed
Breath generates the structural model signal of patient's burned part.Specifically, X-ray tube issues X-ray beam to the thick layer of patient's burned part
Face is scanned, and the x-ray for penetrating the level is received by detector, after being changed into visible light, is changed into telecommunications by photoelectric converter
Number, then switch to digital signal through analog/digital converter (analog/digital converter), which is sent
To in controller 20 such as computer, controller 20 generates structural model signal according to digital signal, and structural model signal is sent out
Segmentation module is given to be layered structural model after segmentation module receives structural model signal, selected level is divided into
The identical cuboid of several volumes, it may be assumed that voxel (voxel), segmentation module scans gained information are computed and obtain every individual
The x-ray attenuation coefficient or absorption coefficient of element are rearranged into matrix, i.e. character matrix, and character matrix can be stored in disk or CD
In, the digital/analog converter of segmented module switchs to by black each number in character matrix to the small of the white gray scales such as not
Square, i.e. pixel (pixel), and be arranged in a matrix, that is, constitute the structural model signal of scanning device 10, segmentation module according to
The structural model signal of scanning device 10 generates print signal, and print signal is sent to the first print system and the second printing
System, the first print system will the first printings from level to level by heating device using SLM technology (selective laser melting technology)
Material melting is bonded together into the structural model of patient's burned part, and the second print system utilizes biomaterial printing technique
The transplanting skin of patient's burned part is printed on structural model.Specifically, the first print system and the second print system difference
Positioned at the different location of molding room 30, the first print system includes the first feed tank 41, shaping box 42 and heating device, and first supplies
Hopper 41 is set in molding room 30, and the first printing material such as metal powder and ceramic powders is stored in the first feed tank 41,
Shaping box 42 is set to the position in molding room 30 close to the first feed tank 41, and shaping box 42 is mentioned for receiving the first feed tank 41
The the first printing material supplied, the heating gate of heating device are set to the position being located at right above shaping box 42 at the top of molding room 30,
For the first printing material heating fusing in shaping box 42 to be formed structural model, the second print system includes the second feed tank
51 and spray head 52, the second feed tank 51 is set to the outer position close to molding room 30 of molding room 30, storage in the second feed tank 51
There are the biomaterials such as the second printing material such as human body cell, spray head 52 connect with the second feed tank 51 and is set to molding room 30
Top, for receiving the second printing material and printing the second printing material to the shifting of formation patient's burned part on structural model
Skin-grafting skin, wherein transplanting skin is printed according to the geomery of burned part on structural model, until the transplanting on burned part
Until skin is completely embedded into structural model.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, embodiment according to the present utility model, the heating device in the first print system
Including laser 43 and laser transfer pipe 44, laser 43 is set to the outer position close to molding room 30 of molding room 30, laser
The first end for passing pipe 44 is connect with laser 43, and the second end of laser transfer pipe 44 and molding room 30 penetrate through, and laser transfer pipe
44 second end is located at right above shaping box 42.Specifically, the laser wave that laser transfer pipe 44 is used to emit in laser 43 passes
It is handed to molding room 30, molding room 30 connect with the exit seal of laser transfer pipe 44, goes out in molding room 30 with laser transfer pipe 44
Mouthful opposite position is provided with shaping box 42, and shaping box 42 is arranged close to the first feed tank 41, and the of 41 bottom of the first feed tank
One feeding motor 45 drives the first printing material in the first feed tank 41 to move up, and second near the first feed tank 41 is sent
Material motor 46 is moved between the first feed tank 41 and shaping box 42 by belt-driven scraper plate 47, will be in the first feed tank 41
First printing material blow into shaping box 42, metal powder in shaping box 42 etc. first print material passed through in shaping box 42
The structural model that laser wave is melted and molded as patient's burned part.Again specifically, laser 43 swashs to the transmitting of laser transfer pipe 44
Light wave is provided with optical fiber in laser transfer pipe 44, and laser wave is transmitted in laser transfer pipe 44 by optical fiber, and laser transfer pipe
It is disposed with beam expanding lens, galvanometer and the mirror cluster connected by optical fiber in 44, is used in laser wave transmittance process to laser
The orientation of wave is adjusted, and laser wave is made to be just aligned the gold to be processed in shaping box 42 when exporting and emit from laser transfer pipe 44
Belong to powder, metal powder is made to melt to form structural model through laser.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, it should be noted that laser 43 utilizes SLM technology (selective laser melting
Technology) the from level to level first printing material melting is bonded together into the structural model of burned part, only the utility model
A preferred embodiment, be not the limitation to the utility model heating device and heating method, also such as the utility model
It can use Selective Laser Sintering printing patient to burn
The structural model of traumatic part position, this adjustment is without departing from the protection scope of the utility model.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, embodiment according to the present utility model, the second printing material includes human body cell
Equal biomaterials and the photoinitiator being made of polymer monomer and performed polymer added in the biomaterials such as human body cell
The biomaterials such as human body cell are passed through spray head 52 on structural model when controller 20 controls the second print system by (photosensitizer)
After stacking up from level to level, ultraviolet light (for example, 250-405nM wavelength) irradiation human body cell in the second print system etc. is raw
Object material and photoinitiator make the biomaterials such as human body cell rapid curing molding on structural model, ultimately form patient
The transplanting skin of burned part.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, embodiment according to the present utility model, 3D printing device further includes mobile device,
Mobile device is set to 30 bottom of molding room and connect with shaping box 42, can be by the structure in shaping box 42 and shaping box 42
Model is moved to the lower section of the spray head 52 of the second print system.Specifically, mobile device includes ball screw driving device, ball
The driving screw rod 61 of lead-screw driving device is horizontally set at the lower section of shaping box 42, the driving nut 62 of ball screw driving device
The bottom of shaping box 42 is connected to by connecting rod 63, driving nut 62 drives shaping box 42 to exist under the driving of driving screw rod 61
It is moved between the second end and spray head 52 of laser 43.It should be noted that ball screw driving device is that the utility model moves
One preferred embodiment of dynamic device, is not the limitation to the utility model mobile device, i.e. the mobile dress of the utility model
Setting to be the combination unit that other devices are such as made of driving motor and tooth sector, and this adjustment is practical without departing from this
The protection scope of novel shifter.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, embodiment according to the present utility model, the 3D printing equipment of the utility model is also
Fluid pressure drive device including being set to 30 bottom of molding room, fluid pressure drive device include the output of hydraulic cylinder 71 and vertical direction
Axis 72, the end of output shaft 72 are provided with support plate 73, and ball screw driving device is located in support plate 73, fluid pressure drive device
The ball screw driving device that is able to drive in support plate 73 and support plate 73 of output shaft 72 make vertical direction movement.Therefore,
After the transplanting skin of the burned part on structural model and structural model completes, the shifting of structural model and burned part
Skin-grafting skin can be moved to the bottom of molding room 30 by fluid pressure drive device, and move down in the driving of ball screw driving device
It moves and user is facilitated to take out the transplanting skin of structural model and burned part out of molding room 30 to the room doorway of molding room 30.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, embodiment according to the present utility model is molten in laser in order to reduce structural model
Built-in thermal stress during change, 3D printing device further include preheating chamber 81 and plenum chamber (not shown), wherein preheating chamber
81 communicate with molding room 30, for melting metal powder in laser 43
End preheats molding room 30 before waiting rapidoprint, and protection gas, plenum chamber and preheating are stored in plenum chamber
Room 81 communicates, and inflow molding room 30 preheats molding room 30 after inflating the preheated room 81 of indoor protection air-flow.Specifically
Ground, the heat exchanger fin for being provided with heat exchanger tube and connecting with heat exchanger tube in preheating chamber 81 inflate the protection gas such as indoor inert gas
Flowed into preheating chamber 81 by gas ducting 82 and in preheating chamber 81 heat exchanger tube and heat exchanger fin carry out heat exchange, then fill
Enter in molding room 30 and temperature adjusting carried out to molding room 30, with this reduce when laser 43 melts metal powder metal powder at
The temperature gradient of 30 environment of type room reduces the built-in thermal stress in structural model forming process, still further, preheating chamber 81 is logical
It crosses the protection gas such as inert gas and preheats the air and structural model that can be reduced in molding room 30 to molding room 30
The phenomenon that learning reaction.
With continued reference to Fig. 1, Fig. 2 and Fig. 3, embodiment according to the present utility model, 3D printing device further includes air-extractor
90, the bleeding point of air-extractor 90 is communicated with molding room 30, for being taken into before preheating chamber 81 preheats molding room 30
Gas in type room 30.Specifically, the air-extractor 90 of the utility model can be the common air-extractors 90 such as aspiration pump, take out
Air pump extracts the air in molding room 30 before preheating chamber 81 preheats molding room 30, to reduce the air in molding room 30
There is a phenomenon where chemically react with structural model.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (10)
1. a kind of 3D printing device for grafting for burns, which is characterized in that the 3D printing device includes:
Scanning device, the scanning device are used to scan the geomery of patient's burned part；
Controller, the controller are connect with the scanning device, the shape scanned for receiving the scanning device
Size；
First print system, first print system are connect with the controller, and the controller is according to the geomery
Control the structural model of the first print system printing patient's burned part；
Second print system, second print system are connect with the controller, and the controller is according to the structural model
Control the transplanting skin that second print system prints patient's burned part on the structural model.
2. the 3D printing device according to claim 1 for grafting for burns, which is characterized in that the 3D printing device is also
Including molding room, first print system and second print system be set in the molding room or be set to it is described at
Close to the position of the molding room outside type room.
3. the 3D printing device according to claim 2 for grafting for burns, which is characterized in that first print system
Include:
First feed tank, first feed tank are set in the molding room, store first dozen in first feed tank
Print material；
Shaping box, the shaping box are set to the position in the molding room close to first feed tank, and the shaping box is used
In the first printing material for receiving the first feed tank offer；
Heating device, the heating gate of the heating device are set to the position being located at right above the shaping box at the top of the molding room
It sets, for the first printing material heating fusing in the shaping box to be formed the structural model.
4. the 3D printing device according to claim 3 for grafting for burns, which is characterized in that the heating device packet
It includes:
Laser, the laser are set to the position outside the molding room close to the molding room；
The first end of laser transfer pipe, the laser transfer pipe is connect with the laser, the second end of the laser transfer pipe
It is penetrated through with the molding room, and the second end of the laser transfer pipe is located at right above the shaping box.
5. the 3D printing device according to claim 4 for grafting for burns, which is characterized in that second print system
Include:
Second feed tank, second feed tank be set to outside the molding room close to the molding room position, described second
The second printing material is stored in feed tank；
Spray head, the spray head connect with second feed tank and are set to the top of the molding room, for receiving described
Two printing materials simultaneously print the second printing material to forming the transplanting skin on the structural model.
6. the 3D printing device according to claim 5 for grafting for burns, which is characterized in that the 3D printing device is also
Including mobile device, the mobile device is set to the molding room bottom and connect with the shaping box, the mobile device
The structural model in the shaping box and the shaping box can be moved to the spray of second print system
The lower section of head.
7. the 3D printing device according to claim 6 for grafting for burns, which is characterized in that the mobile device packet
It includes:
The driving screw rod of ball screw driving device, the ball screw driving device is horizontally set under the shaping box
Side, and the driving nut of the ball screw driving device is connected to the bottom of the shaping box, the driving by connecting rod
Nut can drive the shaping box in the second end and the spray of the laser transfer pipe under the driving of the driving screw rod
It is moved between head.
8. the 3D printing device according to claim 7 for grafting for burns, which is characterized in that the 3D printing device is also
Include:
Fluid pressure drive device, the fluid pressure drive device are set to the bottom of the molding room, and the fluid pressure drive device includes
The output shaft of vertical direction, the end of the output shaft are provided with support plate, and the ball screw driving device is located at the branch
On fagging, the output shaft of the fluid pressure drive device is able to drive the ball in the support plate and the support plate
Lead-screw driving device makees vertical direction movement.
9. the 3D printing device according to claim 8 for grafting for burns, which is characterized in that the 3D printing device is also
Include:
Preheating chamber, the preheating chamber are communicated with the molding room, for before laser fusing the first printing material
The molding room is preheated；
Plenum chamber stores protection gas in the plenum chamber, and the plenum chamber is communicated with the preheating chamber, and the inflation is indoor
Protection air-flow flows into the molding room through the preheating chamber and preheats to the molding room.
10. the 3D printing device according to claim 9 for grafting for burns, which is characterized in that the 3D printing device
Further include:
Air-extractor, the bleeding point of the air-extractor are communicated with the molding room, are used in the preheating chamber to the molding
The indoor air of molding is extracted before being preheated in room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222890.4U CN208812547U (en) | 2018-02-08 | 2018-02-08 | 3D printing device for grafting for burns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222890.4U CN208812547U (en) | 2018-02-08 | 2018-02-08 | 3D printing device for grafting for burns |
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| Publication Number | Publication Date |
|---|---|
| CN208812547U true CN208812547U (en) | 2019-05-03 |
Family
ID=66267737
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820222890.4U Active CN208812547U (en) | 2018-02-08 | 2018-02-08 | 3D printing device for grafting for burns |
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| CN (1) | CN208812547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513891A (en) * | 2020-04-27 | 2020-08-11 | 陕西恒通智能机器有限公司 | Shoulder joint artificial limb printed in 3D mode |
-
2018
- 2018-02-08 CN CN201820222890.4U patent/CN208812547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513891A (en) * | 2020-04-27 | 2020-08-11 | 陕西恒通智能机器有限公司 | Shoulder joint artificial limb printed in 3D mode |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |