CN106823117B - Portable structural part applicable to biological 3D printing of multiple parts of human body - Google Patents

Abstract

The invention provides a portable structural member applicable to 3D printing of most organisms of a human body, which can be used for conveniently connecting a linear motion platform to realize 3D printing of organisms on arms, legs, faces, backs and other parts of the human body, and comprises a foldable bracket and a chassis or a frame for mounting the foldable bracket, wherein when the arms, the legs or the faces are printed, the chassis and the foldable bracket are selected to be matched with each other to be mounted into the structural member; when the back is printed, the frame is selected to be matched with the foldable bracket to be installed into a structural part. The invention improves the space utilization rate of the printer, reduces the volume of the printer and fully utilizes the function of the linear motion platform.

Description

Portable structural part applicable to biological 3D printing of multiple parts of human body

Technical Field

The invention belongs to the technical field of biological 3D printing, and particularly relates to a solution for a biological 3D printing structural member which can be conveniently connected with a common linear platform and is suitable for most parts of a human body, in particular to a portable structural member suitable for most biological 3D printing of the human body.

Background

Biological 3D printer's main effect lies in carrying out the 3D printing work of biological material to human wound position, utilizes patient's self cell and biomaterial that cultivate, and the layer-by-layer is piled up jointly and is made, prints out artifical skin.

At present, most of the more advanced skin 3D printing research institutions at home and abroad are desktop 3D printers, which have large volume and weight and no portability for ensuring higher precision, for example, the existing korea pum science and technology university multi-nozzle tissue/organ manufacturing system (MtoBS), the multi-arm bio-printer (MABP) system of the american loving university, the Novogen MMX bio-printer, etc., have high precision, but are bulky and cannot be portable, and although the in-situ bio-printer can meet the requirements of skin auxiliary treatment on a damaged site, the in-situ bio-printer still cannot meet the requirements of portability and detachable loading.

Disclosure of Invention

The invention provides a set of portable structural part scheme which can be used for conveniently connecting a linear motion platform to realize biological 3D printing on a plurality of parts of human arms, legs, faces, backs and the like, improves the space utilization rate of a printer, reduces the volume of the printer and fully utilizes the functions of the linear motion platform.

The invention relates to a portable structural member applicable to 3D printing of most organisms of a human body, which comprises a foldable support and a chassis or a frame for mounting the foldable support, wherein the chassis comprises a rubber base, a metal frame, a linear slide rail, a brake sliding block and a square hole; the rubber base is positioned at the lower part of the metal frame, the square holes are arranged at four corners of the metal frame, the linear slide rails are arranged on two long edges of the metal frame, and the brake sliding block is arranged on the linear slide rails; the square hole is used for installing a foldable bracket;

the frame comprises a metal frame, a linear slide rail, a brake sliding block and a connecting piece; the linear slide rails are arranged on the two long edges of the metal frame, and the braking sliding blocks are arranged on the linear slide rails; the brake sliding block is provided with a connecting piece for installing the foldable bracket; four corners of the metal frame are provided with mounting holes for mounting the foldable support at the lower part of the metal frame.

The foldable bracket can be opened when in use to support a certain height; can be folded when not in use, thereby reducing the volume.

The lower part of the foldable bracket arranged on the lower part of the metal frame is provided with a plastic semicircular buckle used for being connected with the metal rods on two sides of the stretcher.

The invention provides a set of structural solution for realizing the functions of the portable 3D printer. The method has the following beneficial effects:

1. the whole structure is convenient to assemble and disassemble, and the working efficiency is improved.

2. Each structural part can be folded, and is convenient to carry.

3. Can realize the wound printing of the majority parts of the face, the arms, the legs, the back and the like of the human body.

4. The portability is realized, and the comfort and the stability of the human body are improved as much as possible.

Drawings

FIG. 1 is a schematic view of the construction of the chassis of the present invention;

fig. 2 is a schematic view of the structure of the bottom plate of the foldable support.

FIG. 3 is a schematic view of the chassis structure of the frame;

FIG. 4 is an assembly view of the structural members attached to the motion platform for printing the arms, face, and legs;

figure 5 is an assembly drawing of the structure attached to the motion platform when printing the back.

1 is a rubber base; 2 is a metal frame; 3 is a linear slide rail; 4 is a brake-able slide block; 5 is a square hole; 6 is a slider link; 7 is a plastic semicircular buckle; and 8, a motion platform.

Detailed Description

As shown in fig. 1-5, the portable structural member suitable for 3D printing of most living beings of human bodies comprises a foldable bracket and a chassis or a frame for mounting the foldable bracket, wherein the chassis comprises a rubber base 1, a metal frame 2, a linear slide rail 3, a brake-able slide block 4 and a square hole 5; the rubber base 1 is positioned at the lower part of the metal frame 2, the square holes 5 are arranged at four corners of the metal frame, the linear slide rails 3 are arranged on two long edges of the metal frame 2, and the brake sliding blocks 4 are arranged on the linear slide rails 3; the square hole 5 is used for installing a foldable bracket;

the frame comprises a metal frame 2, a linear slide rail 3, a brake sliding block 4 and a connecting piece 6; the linear slide rails 3 are arranged on two long edges of the metal frame 2, and the brake sliding blocks 4 are arranged on the linear slide rails 3; the brake sliding block 4 is provided with a connecting piece 6 for installing a foldable bracket; four corners of the metal frame 2 are provided with mounting holes for mounting the foldable support at the lower part of the metal frame 2.

The foldable bracket can be opened when in use to support a certain height; can be folded when not in use, thereby reducing the volume.

The lower part of the foldable bracket arranged on the lower part of the metal frame is provided with a plastic semicircular buckle 7 which is used for being connected with metal rods on two sides of the stretcher.

When arms, legs and faces are printed, the linear motion platform can be directly inserted into a square hole on the base plate 1 through the foldable support 2 to realize connection, so that biological 3D printing is carried out on wounds; when printing the back, xyz linear motion platform can link to each other through the slider on foldable support 2 and the 3 guide rails of frame to pass through manual movement and can brake slider 4 and remove linear motion platform to the back wound, realize the biological 3D printing to the small-size damage in back, slider connecting piece 5 can be connected with brake slider 4 through the screw hookup.

The chassis 1 is placed on the ground to realize the overall supporting effect, and the rubber chassis is arranged below the metal part of the chassis to increase the friction force and the buffer between the chassis and the ground and increase the stability to a certain extent. The position that needs to print will be placed on the chassis, and there is certain sunken on the chassis surface, puts into the sponge and improves the comfort level of printing the position.

The foldable bracket 2 can be connected with the linear motion platform or the frame through bolt connection, and can be opened to support a certain height when in use; it can be folded at the end of use, thus reducing the volume and being convenient for carrying.

The working principle is as follows:

as shown in fig. 4, when printing an arm, leg, or face: the running platform 8 is positioned on the foldable bracket 2;

(1) Placing the chassis on a flat ground;

(2) Folding brackets on four corners of the motion platform are opened and respectively inserted into four square holes on the chassis for fixing;

(3) The method comprises the following steps of (1) flatly placing a to-be-printed human body part on a chassis, moving four sliding blocks on two long edges of the chassis to proper positions, manually braking and fixing, inserting two safety belt buckles into a clamping groove by bypassing a pre-printed human body, and fixing the pre-printed human body part;

(4) And starting the motion platform to start biological 3D printing.

As shown in fig. 5, when printing the back:

(1) Transferring the wounded to a stretcher;

(2) The foldable frames on the four corners of the frame are opened and are fixed on the two metal rods on the two sides of the stretcher through plastic semicircular buckles;

(3) And opening foldable frames on four corners of the motion platform, and respectively inserting the foldable frames into blind holes of four sliding block connecting pieces of the frames to realize fixation.

(4) The motion platform is moved to the injured part to be printed on the back through the sliding blocks, and the four sliding blocks are manually braked and fixed.

(5) And starting the motion platform to start biological 3D printing.

Claims (1)

1. A portable structural member applicable to biological 3D printing of multiple parts of a human body is characterized by comprising a foldable support and a chassis or a frame for mounting the foldable support, wherein the chassis comprises a rubber base (1), a metal frame (2), a linear slide rail (3), a brake sliding block (4) and a square hole (5); the rubber base (1) is positioned at the lower part of the metal frame (2), the square holes (5) are arranged at four corners of the metal frame, the linear slide rails (3) are arranged on two long edges of the metal frame (2), and the brake sliding blocks (4) are arranged on the linear slide rails (3); the square hole (5) is used for installing a foldable bracket;

the frame comprises a metal frame (2), a linear sliding rail (3), a brake sliding block (4) and a connecting piece (6); the linear slide rails (3) are arranged on two long edges of the metal frame (2), and the brake sliding blocks (4) are arranged on the linear slide rails (3); the braking sliding block (4) is provided with a connecting piece (6) for installing a foldable bracket; the lower part of the foldable support arranged at the lower part of the metal frame is provided with a plastic semicircular buckle (7) which is used for being connected with metal rods at two sides of the stretcher;

the foldable bracket can be opened when in use to support a certain height; can be folded when not in use, thereby reducing the volume.

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