阅读说明：本技术 一种铺膜设备及其应用 (Film paving equipment and application thereof ) 是由 姬龙龙 于 2020-12-04 设计创作，主要内容包括：一种铺膜设备,包括：剖膜装置、进样传送装置、铺膜转鼓、铺膜转鼓换挡装置、出样传送装置,本发明提供的铺膜设备,实现了自动化连续剖膜和铺膜,提高了生产效率；同时剖膜过程由机器完成,有利于产品质量的标准化,便于产品质控,降低了产品次品率；生产过程中,减少了人工的介入,降低了人员引入污染源的风险；设备操作简单,使用方便；设备材料来源广泛,设备制造成本低。(A sheeting apparatus comprising: the film paving equipment provided by the invention realizes automatic continuous film cutting and paving and improves the production efficiency; meanwhile, the film cutting process is completed by a machine, so that the standardization of the product quality is facilitated, the product quality is convenient to control, and the defective rate of the product is reduced; in the production process, the manual intervention is reduced, and the risk of introducing a pollution source by personnel is reduced; the equipment is simple to operate and convenient to use; the equipment material source is wide, and the equipment manufacturing cost is low.)

1. A sheeting apparatus, comprising:

a membrane cutting device; the intestine cutting device comprises a guide rod, an intestine cutting knife and a film laying plate, wherein the intestine cutting knife is arranged on the guide rod, and the film laying plate is connected to one end of the guide rod;

the sample feeding and conveying device comprises a first sample feeding end and a first sample discharging end;

the film spreading rotary drum is arranged near the first sample outlet end;

the film spreading rotary drum gear shifting device is arranged on one side of the film spreading rotary drum and comprises a gear shifter and a gear lever;

and the sample outlet conveying device comprises a second sample inlet end and a second sample outlet end, and the film spreading rotary drum is arranged at a position close to the second sample inlet end.

2. The film paving apparatus according to claim 1, wherein the sample conveying device comprises a sample conveying belt and at least one transmission shaft, and the sample conveying belt moves under the power provided by the transmission shaft.

3. The film paving apparatus according to claim 1, wherein the surface of the sample conveyor is a circular arc concave surface.

4. The film paving device as claimed in claim 1, wherein the film paving drum is drum-shaped, the film paving drum comprises two drum surfaces arranged in parallel and a film paving surface arranged on the periphery of the two drum surfaces, the film paving surface is a circular arc convex surface, and the circular arc convex surface is attached to the circular arc concave surface of the conveying belt.

5. The film paving equipment as claimed in claim 4, wherein one side of the drum surface is provided with a film paving rotary drum gear shifting device, and the film paving rotary drum gear shifting device comprises three gears of film paving, sample discharging and resetting.

6. A film spreading apparatus according to claim 1, wherein the sample outlet conveying device comprises a sample outlet conveying belt, and the width of the sample outlet conveying belt is 5-15 cm.

7. A filming apparatus as set forth in claim 1, further comprising:

the multifunctional conveying device comprises a conveying shaft and a shell, the shell is composed of two parallel side walls and a supporting part for connecting the two side walls, and the side walls are provided with arc-shaped edges matched with the radian of the film paving surface; a plurality of transmission shafts are arranged between the two side walls.

8. A filming apparatus as claimed in claim 7, wherein said conveying shafts are arranged equidistantly along the vicinity of said arcuate edge.

9. A filming apparatus as set forth in claim 1, further comprising:

the shell, the whole cuboid that is of shell, the upper portion of shell is provided with the viewing aperture, one side of shell is provided with introduction port and appearance mouth.

10. Use of a membrane dissecting device according to any one of claims 1-8 for dissecting a membrane from an acellular matrix material.

Technical Field

The invention belongs to the technical field of acellular matrix material processing equipment, and particularly relates to a membrane splitting device, membrane paving equipment comprising the membrane splitting device and application of the membrane paving equipment.

Background

The porcine small intestine acellular matrix material (SIS) is a matrix material with bioactive components, which is obtained by taking a porcine small intestine as a raw material and removing a cell structure by a system physical and chemical treatment method. The porcine small intestine acellular matrix material is used as a novel biomaterial, is an important component of a scaffold material, is a basic material in the fields of tissue engineering and regenerative medicine, and has good biocompatibility and degradability. The acellular matrix material keeps a complete three-dimensional ultramicro structure, can actively induce and promote the adhesion, proliferation and differentiation of surrounding cells after being implanted into an organism, and further carries out transformation, degradation and plasticity on the material by the implanted cells so as to realize the formation of tissues and the structural remodeling. However, because of its thinness and insufficient mechanical properties of a single layer, it is practically used in the form of a multilayer laminated film.

The preparation process of the porcine small intestine acellular matrix material mainly comprises the steps of pretreatment, inactivation, acellular, membrane paving, drying, packaging, sterilization and the like. The obtained matrix material after cell removing treatment is a tubular bag-shaped sample with the wall thickness of about 0.1mm and the diameter of 2-3cm, and has soft texture, surface wrinkles and unsmooth touch.

The traditional membrane paving technology of the porcine small intestine acellular matrix material mainly adopts an artificial membrane paving mode, the SIS is manually placed on a membrane paving plate in the membrane paving process, the SIS is scraped by a scraper, and the SIS and the scraper are repeatedly overlapped in the membrane paving process, so that the multilayer overlapping process is realized.

The existing artificial film laying mode has the following defects: the manual film laying can not realize the process standardization and hinder the propagation and diffusion of the process technology; the time consumption of the manual film laying process is long, and the labor cost of film laying is high; the porcine small intestine acellular matrix material product belongs to high-risk class-III medical equipment, and the safety risk of the product is improved due to the participation of excessive personnel in the production process.

Disclosure of Invention

The invention aims to provide a film cutting device, film paving equipment comprising the same and application thereof, aiming at the problems in the prior art.

The purpose of the invention is realized by the following technical scheme:

on the one hand, provide a cut open membrane device, cut open membrane device and contain to lead and send the pole, cut open intestines sword and spread the lamina membranacea, it cuts open the intestines sword to lead to be provided with on sending the pole, spread the lamina membranacea and connect the one end of leading sending the pole.

Preferably, the film laying plate comprises a film laying part and a transition part, and the film laying part and the transition part are connected into a whole.

Preferably, the shape of the film laying plate is a columnar body enclosed by a circular arc surface and a rectangular plane.

Preferably, the circular arc surface is rectangular after being flattened.

Preferably, the transition part is in the shape of a triangular prism, and one side surface of the triangular prism and the rectangular plane of the membrane laying plate are in the same plane; one edge of the triangular prism is connected with one end of the guide rod into a whole, and the connecting part is provided with a smooth surface.

Preferably, the intestine cutting knife comprises a knife back and a knife edge, and the shape of the knife edge is similar to an S shape.

Preferably, the intestine cutting knife is detachably mounted on the guide rod.

Preferably, the shape of the guide and feed rod is a rod shape, and the cross section of the guide and feed rod is enclosed by two circular arcs with unequal radiuses. And the sample injection conveyor belt is attached to the arc concave surface of the sample injection conveyor belt, so that the splitting and spreading of the acellular matrix material are realized.

Preferably, the cross section of the guide rod is circular, oval or semicircular.

In a second aspect, there is provided a filming apparatus comprising: the membrane cutting device is provided.

Preferably, the film laying device further comprises:

the sample feeding and conveying device comprises a first sample feeding end and a first sample discharging end;

the film spreading rotary drum is arranged near the first sample outlet end;

the film spreading rotary drum gear shifting device is arranged on one side of the film spreading rotary drum and comprises a gear shifter and a gear lever;

and the sample outlet conveying device comprises a second sample inlet end and a second sample outlet end, and the film spreading rotary drum is arranged at a position close to the second sample inlet end.

Preferably, the sample conveying device comprises a sample conveying belt and at least one transmission shaft, and the sample conveying belt moves under the power provided by the transmission shaft.

Preferably, the surface of the sample feeding conveyor belt is a circular arc concave surface. The membrane cutting device is convenient to spread on the surface of the sample feeding conveyor belt after cutting open the intestinal tract.

Preferably, the material of the sample feeding conveyor belt is a high-density polyethylene material with anti-skid texture on the surface, the high-density polyethylene material has excellent flexibility, the loss of the edge bulge of the concave conveyor belt at the position of the conveying rotary drum can be reduced, and the attaching degree of the sample feeding conveyor belt and the film cutting device can be increased;

preferably, the width of the sample feeding conveyor belt is 5-15 cm, and the radius of the arc concave surface of the sample feeding conveyor belt is 10-30 cm.

Preferably, the sample feeding and conveying device is driven by a motor.

Preferably, spread the membrane rotary drum and be the cydariform, spread the membrane rotary drum and contain two drumheads of parallel arrangement and set up the membrane face of spreading in two drumhead peripheries, it is the circular arc convex surface to spread the membrane face, the circular arc convex surface with the circular arc concave surface of conveyer belt is laminated mutually. The film spreading surface is used for receiving the acellular matrix material spread on the sample feeding conveyor belt, so that the multilayer overlapping function is realized.

Preferably, the material of the film laying surface is a polytetrafluoroethylene material with fine textures.

Preferably, the distance between the two drumheads is 6-15 cm, for example: 6cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm, 13cm, 14cm or 15 cm; the arc radius of the film laying surface is 10-30 cm, for example: 10cm, 11cm, 12cm, 13cm, 14cm, 15cm, 16cm, 17cm, 18cm, 19cm, 20cm, 21cm, 22cm, 23cm, 24cm, 25cm, 26cm, 27cm, 28cm, or 30 cm; the drum head radius is 12-30 cm, for example: 12cm, 13cm, 14cm, 15cm, 16cm, 17cm, 18cm, 19cm, 20cm, 21cm, 22cm, 23cm, 24cm, 25cm, 26cm, 27cm, 28cm or 30 cm.

Preferably, one side of the drum surface is provided with a film spreading rotary drum gear shifting device, and the film spreading rotary drum gear shifting device comprises three gears of film spreading, sample discharging and resetting. The film spreading rotary drum is used for carrying out film spreading and sample outlet gear switching.

Preferably, the out-sample conveying device comprises an out-sample conveying belt, and the width of the out-sample conveying belt is 5-15 cm, for example: 5cm, 6cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm, 13cm, 14cm or 15 cm.

Preferably, the surface of the conveyor belt of the sample outlet conveyor is a horizontal surface, and the purpose of the conveyor belt is to receive the acellular matrix material samples which are completely overlapped on the film spreading rotary drum and convey the acellular matrix material samples to the sampling port.

Preferably, the sample outlet conveying device is driven by a motor;

preferably, the film laying device further comprises:

the multifunctional conveying device comprises a conveying shaft and a shell, the shell is composed of two parallel side walls and a supporting part for connecting the two side walls, and the side walls are provided with arc-shaped edges matched with the radian of the film paving surface; a plurality of transmission shafts are arranged between the two side walls.

Preferably, the transfer shafts are arranged equidistantly along the vicinity of the arc-shaped edge.

Preferably, the material of the housing is selected from stainless steel or an aluminum alloy.

Preferably, the material of the transfer shaft is selected from polytetrafluoroethylene. The transfer shaft can realize the compaction of the acellular matrix material on the film-laying rotary drum.

The multifunctional conveying device is used for conveying samples between the sample feeding conveying belt and the film spreading rotary drum, compacting and further spreading acellular matrix materials on the film spreading rotary drum and conveying the samples between the film spreading rotary drum and the sample discharging conveying belt.

Preferably, the film laying device further comprises:

the shell, the whole cuboid that is of shell, the upper portion of shell is provided with the viewing aperture, one side of shell is provided with introduction port and appearance mouth.

In a third aspect, the use of the membrane dissecting device in membrane dissecting for acellular matrix materials is provided.

Preferably, the acellular matrix material is derived from the intestinal tract of an animal.

Preferably, the animal intestine is selected from the group consisting of pig large intestine, pig small intestine, pig rectum, cow large intestine, cow small intestine, cow rectum, sheep large intestine, sheep small intestine, sheep rectum, dog large intestine, dog small intestine, dog rectum, duck intestine, chicken intestine, and goose intestine.

In a fourth aspect, there is provided the use of a membrane-spreading device as described above for spreading a membrane of acellular matrix material.

Preferably, the acellular matrix material is derived from the intestinal tract of an animal.

Preferably, the animal intestine is selected from the group consisting of pig large intestine, pig small intestine, pig rectum, cow large intestine, cow small intestine, cow rectum, sheep large intestine, sheep small intestine, sheep rectum, dog large intestine, dog small intestine, dog rectum, duck intestine, chicken intestine, and goose intestine.

The use method of the film paving equipment comprises the following steps:

1) electrifying to start the membrane paving equipment, and sleeving the tube-bag-shaped pig small intestine acellular matrix material on a guide rod of the membrane cutting device;

2) the porcine small intestine acellular matrix material passes through a membrane cutting device under the action of a sample feeding conveyor belt, is cut open by a membrane cutting knife, and is flatly paved on the sample feeding conveyor belt by a membrane paving plate;

3) adjusting the gear of the film spreading rotary drum to a film spreading gear through a film spreading rotary drum gear shifting device, wherein the arc convex drum surface of the film spreading rotary drum is attached to the arc concave surface of the sample conveying belt, and the film spreading rotary drum is driven to run by the sample conveying belt;

4) transferring the porcine small intestine acellular matrix material from the sample conveyor belt to a film spreading rotary drum in the running process of the sample conveyor belt through the cooperation of a multifunctional conveyor device;

5) the film spreading rotary drum is driven by a sample feeding conveyor belt to realize compaction and further spreading of the porcine small intestine acellular matrix material through a multifunctional conveying device;

6) observing the film laying condition of the porcine small intestine acellular matrix material through an observation port, and manually controlling and repeating the operations to realize the multilayer overlapping film laying of the porcine small intestine acellular matrix material;

7) after the film is spread to the required number of layers, the gears of the film spreading rotary drum are converted to a transmission gear through a film spreading rotary drum gear shifting device, at the moment, the arc convex drum surface of the film spreading rotary drum is tangent to the sample output conveyor belt, and the film spreading rotary drum is driven to run by the sample output conveyor belt;

8) through the cooperation of a multifunctional conveying device, in the running process of a sample outlet conveying belt, the overlapped porcine small intestine acellular matrix material is transferred to the sample outlet conveying belt from the film laying rotary drum;

9) the overlapped porcine small intestine acellular matrix material is conveyed to a sample outlet by a sample outlet conveying device so as to carry out the next drying procedure;

10) and (5) turning off the power supply of the equipment, and converting the equipment into a reset gear through the film paving rotary drum gear shifting device.

Compared with the prior art, the invention has the beneficial effects that:

the film cutting equipment provided by the invention can be used for manually cutting a film and can also be applied to film paving equipment, so that automatic film cutting and film paving are realized, and the production efficiency is improved; meanwhile, the film cutting process is completed by a machine, so that the standardization of the product quality is facilitated, the product quality is convenient to control, and the defective rate is reduced.

The film paving equipment provided by the invention realizes automatic continuous film cutting and paving and improves the production efficiency; meanwhile, the film cutting process is completed by a machine, so that the standardization of the product quality is facilitated, the product quality is convenient to control, and the defective rate of the product is reduced; in the production process, the manual intervention is reduced, and the risk of introducing a pollution source by personnel is reduced; the equipment is simple to operate and convenient to use; the equipment material source is wide, and the equipment manufacturing cost is low.

Drawings

FIG. 1 is a schematic structural diagram of a membrane cutting device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a film laying apparatus according to a preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a film laying apparatus according to a preferred embodiment of the present invention;

FIG. 4 is a schematic structural view of a filming drum in a preferred embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a sample transport device according to a preferred embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a sample-discharging conveyer according to a preferred embodiment of the present invention;

fig. 7 is a schematic structural view of the multi-functional transfer device in the preferred embodiment of the present invention.

Reference numerals: 1-membrane cutting device; 11-a guide rod; 12-laying a membrane plate; 2-spreading a film drum; 21-paving a membrane surface; 22-drumhead; 3-sample feeding and conveying device; 31-sample feeding conveyor belt; 32-a first sample introduction end; 33-a first sample introduction end; 35-a drive shaft; 4-a sample outlet conveying device; 41-sample outlet conveyor belt; 42-a second sample introduction end; 43-a second sample introduction end; 5-a film-laying drum gear shifting device; 51-a shifter; 52-shift lever; 6-a viewing port; 7-sample inlet; 8-a sample outlet; 9-a multifunctional conveyor; 91-a transfer shaft; 92-a housing; 10-shell.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The following description will exemplify specific embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1, the present embodiment provides a membrane cutting device, which includes a guiding and conveying rod 12, a intestine cutting knife 11, and a membrane spreading plate 13, wherein the intestine cutting knife 11 is disposed on the guiding and conveying rod 12, and the membrane spreading plate 13 is connected to one end of the guiding and conveying rod 12.

In some embodiments, the membrane laying plate 13 comprises a membrane laying portion and a transition portion, which are integrally connected.

In some embodiments, the shape of the membrane laying plate 13 is a cylinder enclosed by a circular arc surface and a rectangular plane.

In some embodiments, the circular arc surface is rectangular after being flattened.

In some embodiments, the transition portion has a triangular prism shape, and one side surface of the triangular prism is the same plane as the rectangular plane of the membrane laying plate; one edge of the triangular prism is connected with one end of the guide rod into a whole, and the connecting part is provided with a smooth surface.

In some embodiments, the enterotomy blade 11 comprises a blade back and a blade edge, and the blade edge is shaped like an "S". The S-shaped design can ensure that the acellular matrix material is uniformly stressed at the same position, and the stability of the product quality is improved.

In some embodiments, the enterotomy blade 11 is detachably mounted on the guide rod 12.

In some embodiments, the rod 12 is rod-shaped, and the cross-section of the rod 12 is defined by two arcs of unequal radius. And the sample injection conveyor belt is attached to the arc concave surface of the sample injection conveyor belt, so that the splitting and spreading of the acellular matrix material are realized.

In some embodiments, the cross-section of the rod 12 is circular, elliptical, or semi-circular.

Referring to fig. 2 and 3, an embodiment of the present invention further provides a film laying apparatus, including: the membrane cutting device is provided.

In some embodiments, the filming apparatus further includes:

a sample transport device 3, the sample transport device 3 comprising a first sample inlet end 32 and a first sample outlet end 33, refer to fig. 5;

the film spreading rotary drum 2 is arranged near the first sample outlet end 33;

the film spreading rotary drum gear shifting device 5 is arranged on one side of the film spreading rotary drum 2, and the film spreading rotary drum gear shifting device 5 comprises a gear shifter 51 and a gear shifting lever 52, and refer to fig. 3;

the sample outlet conveying device 4, the sample outlet conveying device 4 includes a second sample inlet end 42 and a second sample outlet end 43, and the film spreading drum 2 is disposed at a position close to the second sample inlet end 42, referring to fig. 6.

In some embodiments, the sample transport device 3 comprises a sample transport belt 31 and at least one transport shaft 35, the sample transport belt 31 being moved under power provided by the transport shaft 35.

In some embodiments, the surface of the sample conveyor belt 31 is a concave surface with a circular arc. The intestinal tract is conveniently cut open by the membrane cutting device and then spread on the surface of the sample feeding conveyor belt 31.

In some embodiments, the material of the sample feeding conveyor belt 31 is a high-density polyethylene material with anti-skid texture on the surface, and the excellent flexibility of the high-density polyethylene material can reduce the loss of the edge protrusions of the concave conveyor belt at the conveying drum, and can increase the adhesion of the sample feeding conveyor belt 31 to the film cutting device;

in some embodiments, the width of the sample conveyor belt 31 is 5-15 cm, and the radius of the arc concave surface of the sample conveyor belt 31 is 10-30 cm.

In some embodiments, the sample transport device 2 is driven by a motor.

In some embodiments, the filming drum 2 is drum-shaped, the filming drum 2 includes two drum heads 21 arranged in parallel and a filming surface 22 arranged on the periphery of the two drum heads, the filming surface 22 is a circular arc convex surface, and the circular arc convex surface is attached to the circular arc concave surface of the sample feeding conveyor belt 31. The membrane paving surface 22 is used for receiving the acellular matrix material which is already spread on the sample feeding conveyor belt 31, so that the function of multi-layer superposition is realized.

In some embodiments, the material of the film-covering surface 22 is a polytetrafluoroethylene material with a fine texture.

In some embodiments, the distance between the two drumheads is 6-15 cm, the radius of the arc of the filming surface 22 is 10-30 cm, and the radius of the drumhead 21 is 12-30 cm.

In some embodiments, a film spreading drum shifting device 5 is disposed on one side of the drum surface 21, and the film spreading drum shifting device 5 includes three gears of film spreading, sample discharging and resetting. The film spreading rotary drum is used for carrying out film spreading and sample outlet gear switching.

In some embodiments, the sample outlet conveying device 4 comprises a sample outlet conveyor belt 41, and the width of the sample outlet conveyor belt 41 is 5-15 cm.

In some embodiments, the surface of the sample-discharging conveyor belt 41 is a horizontal surface, which is used to receive the acellular matrix material sample after the stacking on the filming drum 2 and convey the sample to the sampling port.

In some embodiments, the sample output conveyor 4 is driven by a motor;

referring to fig. 7, in some embodiments, the filming apparatus further includes:

the multifunctional conveying device 9 comprises a conveying shaft 91 and a shell 92, wherein the shell 92 is composed of two parallel side walls and a supporting part for connecting the two side walls, and the side walls are provided with arc-shaped edges matched with the radian of the film laying surface 22; between the two side walls are mounted several transport shafts 91.

In some embodiments, the transfer shafts 91 are equally spaced along the vicinity of the arcuate edge.

In some embodiments, the material of the housing is selected from stainless steel or an aluminum alloy.

In some embodiments, the material of the transfer shaft 91 is selected from polytetrafluoroethylene. The transfer shaft 91 may effect compaction of the acellular matrix material on the membrane laying drum.

The multifunctional conveying device 9 is used for sample conveying between the sample feeding conveying belt 31 and the film spreading rotary drum 2, compacting and further spreading of acellular matrix materials on the film spreading rotary drum 2 and sample conveying between the film spreading rotary drum 2 and the sample discharging conveying belt 41.

Referring to fig. 2 and 3, in some embodiments, the filming apparatus further includes:

the shell 10, the shell 10 is the cuboid wholly, and the upper portion of shell 10 is provided with viewing port 6, and one side of shell 10 is provided with introduction port 7 and outlet port 8.

The embodiment of the invention provides application of the membrane dissecting device in dissecting a membrane for acellular matrix materials.

In some embodiments, the acellular matrix material is derived from the intestinal tract of an animal.

In some embodiments, the animal intestine is selected from the group consisting of pig large intestine, pig small intestine, pig rectum, cow large intestine, cow small intestine, cow rectum, sheep large intestine, sheep small intestine, sheep rectum, dog large intestine, dog small intestine, dog rectum, duck intestine, chicken intestine, and goose intestine.

The embodiment of the invention provides application of the film paving equipment in film paving of acellular matrix materials.

In some embodiments, the acellular matrix material is derived from the intestinal tract of an animal.

In some embodiments, the animal intestine is selected from the group consisting of pig large intestine, pig small intestine, pig rectum, cow large intestine, cow small intestine, cow rectum, sheep large intestine, sheep small intestine, sheep rectum, dog large intestine, dog small intestine, dog rectum, duck intestine, chicken intestine, and goose intestine.

The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.