CN217949871U - Portable medical science nucleic acid testing laboratory of inflatable - Google Patents
Portable medical science nucleic acid testing laboratory of inflatable Download PDFInfo
- Publication number
- CN217949871U CN217949871U CN202220895385.2U CN202220895385U CN217949871U CN 217949871 U CN217949871 U CN 217949871U CN 202220895385 U CN202220895385 U CN 202220895385U CN 217949871 U CN217949871 U CN 217949871U
- Authority
- CN
- China
- Prior art keywords
- main body
- closed end
- end plate
- inflatable
- chamber main
- 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.)
- Active
Links
Images
Landscapes
- Tents Or Canopies (AREA)
Abstract
The utility model discloses an inflatable movable medical nucleic acid detection laboratory, which comprises a chamber main body, a first closed end plate, a second closed end plate and an internal partition plate, wherein the two ends of the chamber main body are opened along the length direction; the internal partition board is arranged in the chamber main body and is used for partitioning the chamber main body to form different using spaces; the cabin main body is made of a wire drawing and inflating film, and the first closed end plate, the second closed end plate and the internal partition plate are made of flexible materials; the utility model discloses not only the piece is few, the seal is higher. And no metal component, convenient installation and high efficiency. Meanwhile, the bin has high integral rigidity and can ensure that the bin is not deformed when being used outdoors. And the heat preservation performance is better, and continuous inflation is not needed.
Description
Technical Field
The utility model relates to a nucleic acid testing laboratory technical field especially relates to a portable medical science nucleic acid testing laboratory of inflatable.
Background
In the current society, the number of nucleic acid detection laboratories required is increasing with the recurrence of epidemics in various regions.
The existing mobile laboratory has two schemes, one is a negative pressure laboratory of an aluminum alloy framework and membrane material enclosing structure, an arched framework is mainly built by using aluminum alloy sections, and double-layer or single-layer building membrane materials are wrapped outside, end heads and the bottom of the arched framework to try to achieve a sealed state; the air supply and exhaust unit is matched to make the indoor reach the positive and negative pressure state. The disadvantages of this solution are as follows:
(1) The aluminum alloy frame is long in building time, multiple in man power needed for building and not in line with the requirement of fast building in a mobile laboratory.
(2) The splicing nodes are various, the joint is difficult to reach a sealing state, and the whole sealing performance is poor. The phenomenon of air leakage still exists in the place where the aluminum alloy and the membrane material are lapped, and the whole storehouse lap joint is more, resulting in that the storehouse air leakage is serious.
(4) The strength of the aluminum alloy framework supporting part is high, but the membrane material without the framework cannot be sufficiently tensioned, and the membrane material is easy to bulge indoors under the condition of indoor negative pressure, so that the use of the internal space is influenced.
(5) The envelope is the membrane material, and the heat insulating ability is relatively poor, can't realize the requirement of mobile laboratory constant temperature and humidity.
(6) The load bearing capacity of wind and snow is poor, and the load requirement of the specification on a mobile laboratory cannot be met.
The other is as follows: the negative pressure laboratory of the air rib film framework and the film material enclosing structure mainly utilizes the mode that air is filled into air columns to form an arched framework, and a plurality of air columns are arranged in an extending mode side by side to form a closed inner space. The air supply and exhaust unit is matched to make the indoor reach the positive and negative pressure state.
(1) The gas column adopts soft pvc membrane material, and membrane material intensity is lower, and the inside unable high pressure that forms of gas column leads to the rigidity of whole bin not enough, and under the condition of indoor malleation or negative pressure, the bin is easy to take place little deformation. Especially, under the condition of outdoor use, the device can not bear outdoor wind and snow load, namely, the load requirement of the specification on a mobile laboratory can not be met.
(2) The bin consists of a plurality of gas columns, and more welding places exist, so that the air tightness is poor. In order to ensure that the outer contour of the chamber is not deformed, the chamber is continuously inflated inwards.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the deficiencies in the prior art, the utility model provides a portable medical nucleic acid testing laboratory of inflatable.
The technical scheme is as follows: in order to achieve the above purpose, the utility model adopts the technical scheme that:
an inflatable movable medical nucleic acid detection laboratory comprises a chamber main body, a first closed end plate, a second closed end plate and an internal partition plate, wherein two ends of the chamber main body are opened along the length direction; the second closed end plate is arranged on the other opening end of the chamber main body and is in sealed connection with the chamber main body; the internal partition board is arranged in the chamber main body and is used for partitioning the chamber main body to form different using spaces; the cabin main body is made of a wire drawing and inflating film, and the first closed end plate, the second closed end plate and the internal partition plate are made of flexible materials; the wire drawing inflatable membrane is a double-layer membrane, and the double-layer membrane is connected through wire drawing.
Preferably: the chamber main body is formed by a first integral inflatable wall; or the chamber main body comprises more than two second inflatable walls, and the two adjacent second inflatable walls are connected with each other.
Preferably: and a sealing film is arranged on the outer surface of the chamber main body.
Preferably: cornices are respectively arranged on openings at two ends of the chamber main body; the bottom of the chamber main body is provided with a ground mat.
Preferably: door openings are formed in the bin main body, the first closed end plate, the second closed end plate and the internal partition plate; and the bin main body, the first closed end plate, the second closed end plate and the internal partition plate are provided with air supply and exhaust holes and pipeline reserved holes.
Preferably: the sealing connection comprises one or more than two connection structures of a welding connection structure, an adhesive connection structure, a magic tape connection structure and a zipper connection structure.
Preferably: the inner surface of the chamber main body is provided with an antibacterial treatment layer; the outer surface of the main structure is at least provided with an anti-UV layer, a cold-resistant layer and a flame-retardant layer.
Preferably: a first inflation valve and a first deflation valve are arranged on the wire drawing inflation film of the chamber main body, and the first closed end plate, the second closed end plate and the internal partition plate are made of inflation films; the gas filling membrane of the first closed end plate is provided with a second gas filling valve and a second gas releasing valve, the gas filling membrane of the second closed end plate is provided with a third gas filling valve and a third gas releasing valve, and the gas filling membrane of the internal partition panel is provided with a fourth gas filling valve and a fourth gas releasing valve.
Preferably: and a barometer is arranged on the wire drawing and inflating film of the chamber main body.
Compared with the prior art, the utility model, following beneficial effect has:
(1) The whole forming, the edge joint is less, and the sealing performance is higher.
(2) No metal component, convenient installation and high efficiency.
(3) The bin has high integral rigidity and can ensure no deformation when being used outdoors.
(4) The heat preservation performance is better.
(5) Continuous inflation is not required.
(6) And higher load requirements are met.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of rendering of an embodiment of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and specific embodiments, it being understood that these examples are intended to illustrate the invention only and are not intended to limit the scope of the invention, and that modifications to the various equivalent forms of the invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the invention as defined in the claims appended hereto.
The utility model provides a portable medical science nucleic acid testing laboratory of inflatable, as shown in fig. 1, 2, includes along length direction both ends open-ended bin main part 1, first closed end plate 3, second closed end plate 6, inside partition panel 4, bin main part 1 adopts the wire drawing to inflate the membrane and makes, and the wire drawing is inflated the membrane and is the bilayer membrane, has the wire drawing in the middle of the bilayer membrane and connects, makes bilayer membrane structure have very high intensity after aerifing the pressurization. Because the interior of the double-layer film has good leakproofness, and the double-layer film is provided with the one-way inflation valve and the deflation valve, after the double-layer film is inflated for the first time, the double-layer film can be maintained for a longer time without continuously inflating. Due to the fact that the cavity is formed between the double-layer films and no gas flows in the cavity, the double-layer film has good heat preservation and heat insulation performance. According to project requirements, air or more inert gas can be used as the gas in the cavity.
The first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 are all made of wire-drawing inflatable films. In another embodiment of the present invention, the first closed end plate 3, the second closed end plate 6, and the internal partition plate 4 are made of common inflatable membrane material. In the present invention, in another embodiment, the first closed end plate 3, the second closed end plate 6, and the internal partition plate 4 are made of single-layer film material, and after the air is filled in the chamber body 1, the first closed end plate 3, the second closed end plate 6, and the internal partition plate 4 are hung on the chamber body 1. The single-layer film material, the common inflatable film and the wire-drawing inflatable film are all flexible materials.
The first closed end plate 3 is arranged on one opening end of the chamber main body 1, and the first closed end plate 3 is connected with the chamber main body 1 in a sealing mode.
The second closed end plate 6 is arranged on the other opening end of the chamber main body 1, and the second closed end plate 6 is connected with the chamber main body 1 in a sealing mode.
According to the use function, the bin can be divided along the length direction; the internal partition film can be welded on the main body structure when leaving the factory, and quick-assembly and disassembly interfaces such as magic tapes and zippers can also be reserved in the main body. When the separation is needed, the sealed light materials such as membrane materials can be adopted to be connected with the interfaces to form a plurality of independent spaces. The internal partition panel 4 is disposed in the chamber body 1, and the internal partition panel 4 is used to partition the chamber body 1 to form different usage spaces. Depending on the functional requirements of use, a single or a plurality of internal partition panels 4 may be provided, separating a plurality of spaces.
And a door opening 8 and a window opening 7 are arranged on the bin main body 1, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4. When the door is installed on site, the door body/equipment/window can be directly inserted into the reserved hole. In order to further ensure the tightness, a soft film can be added at the hole, one end of the soft film is connected with the reserved hole, the other end of the soft film is connected with the door body/equipment/window, and the connection mode can adopt a quick-assembly and disassembly type and sealing process such as a zipper, a magic tape and a magnet suction strip. Meanwhile, the same size curtain is added at the opening, and the opening can be quickly sealed to form a closed space under the condition that the opening is not used. The curtain and the opening can be connected by a zipper, a magic tape, a magnet suction strip and other quick-assembly and disassembly processes.
And the bin main body 1, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 are provided with an air supply and exhaust hole and a pipeline reserved hole 11. The door opening 8, the window opening 7, the air supply and exhaust hole and the pipeline reserved hole 11 can be temporarily plugged for convenient storage.
Sealing curtains are arranged at the door opening 8, the air supply and exhaust openings and the pipeline reserved opening 11, and the reserved openings are cut in advance during main body film processing according to the size of a door body/equipment/window; when the door is installed on site, the door body/equipment/window can be directly inserted into the reserved hole. In order to further ensure the tightness, a soft film can be added at the hole, one end of the soft film is connected with the reserved hole, the other end of the soft film is connected with the door body/equipment/window, and the connection mode can adopt quick assembly and disassembly type and sealing processes such as a zipper, a magic tape, a magnet suction strip and the like; meanwhile, the same size curtain is added at the opening, and the opening can be quickly sealed to form a closed space under the condition that the opening is not used. The curtain and the opening can be connected by a zipper, a magic tape, a magnet suction strip and other quick-assembly and disassembly processes.
The two openings in the length direction of the chamber main body 1 are respectively provided with cornices 12, and the rainproof function is achieved under the outdoor use condition.
The inner surface of the chamber main body 1 is provided with an antibacterial treatment layer. The outer surface of the main structure is at least provided with an anti-UV layer, a cold-resistant layer and a flame-retardant layer. And a barometer is arranged on the wire drawing and inflating film of the chamber main body 1.
The bottom of the chamber main body 1 is provided with a ground mat 2. The ground mat 2 is made of light and soft materials such as film materials and the like which are convenient to pack and transport. The connection mode of the two ends of the material of the ground mat 2 and the bottom end of the main body maintenance structure comprises welding, gluing, magic tape, a zipper and the like, and a closed loop inner space is formed. Meanwhile, after the main body maintenance structure is inflated, the bottom end of the main body maintenance structure has outward tension, the bottom material can be tensioned by the tension, and the problems that wrinkles occur and the bottom material is raised upwards due to indoor negative pressure are avoided.
The wire drawing aeration membrane of bin main part 1 is provided with first inflation valve, first relief valve, the epimembranal second inflation valve, the valve is put to the second of being provided with of the aeration of first closed end plate 3, the epimembranal third inflation valve, the valve is put to the third of being provided with of the aeration of second closed end plate 6, the epimembranal fourth inflation valve, the valve of fourth relief of being provided with of the aeration of inside partition panel 4. When the wire-drawing inflation film is filled with gas for pressurization, the rigidity strength of the chamber main body 1, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 is increased, so that a laboratory is formed, and the laboratory is arched, square, herringbone and the like as shown in fig. 1. After the gas in the wire-drawing inflatable membrane is released and decompressed, the strength of the chamber main body 1, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 is reduced to the strength of the wire-drawing inflatable membrane, and the chamber main body 1, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 can be folded and packaged.
According to the use demand, whole storehouse main part 1 can be for an holistic first inflatable wall to constitute in length direction, reduces the welding number of times, guarantees the interior space leakproofness of enclosing and the inside leakproofness of bilayer membrane. In another embodiment of the present invention, for convenient transportation and installation, the chamber body 1 includes two or more second inflatable walls, and two adjacent second inflatable walls are connected to each other, i.e. spliced by multiple continuous inflatable walls. In addition, because of the problem of the air tightness reduction in the room caused by splicing, the outer surface of the chamber main body 1 is provided with a closed film.
The sealing connection comprises one or more than two connection structures of a welding connection structure, an adhesive connection structure, a magic tape connection structure and a zipper connection structure.
The equipment adopts a mature air supply and exhaust unit in the market. A plurality of independent space bins are used for air supply/exhaust by utilizing an air supply/exhaust pipeline, an exhaust valve is arranged at a required position, and the air volume of the independent space bins is controlled by controlling the opening degree of the exhaust valve, so that the effect of different pressures is achieved.
An assembly method of an inflatable mobile medical nucleic acid detection laboratory comprises the following steps:
if storehouse main part 1, first closed end plate 3, second closed end plate 6, inside partition panel 4 integrated into one piece, then the laboratory with folding encapsulation tiling on the installation area is opened, directly aerify can.
If the bin main body 1, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 are separated and independent, the first closed end plate 3, the second closed end plate 6 and the internal partition plate 4 can be respectively connected with the bin main body 1 in a sealing manner and then inflated. Also can adopt the cabin main part 1 to aerify earlier the back, first closed end plate 3, second closed end plate 6, inside partition panel 4 are being aerifing connecting respectively on cabin main part 1, specifically include following step:
And 3, hermetically connecting the first closed end plate 3 with the inflatable three-dimensional chamber main body 1, closing the second air release valve, inflating and pressurizing the inflatable membrane of the first closed end plate 3 through the second air release valve by an air pump machine to enable the pressure of inflation and pressurization to reach a preset pressure value, stopping inflation and pressurization, and increasing the rigidity strength of the wire-drawing inflatable membrane of the first closed end plate 3 to form the inflatable three-dimensional first closed end plate 3.
And 4, hermetically connecting the second closed end plate 6 with the inflatable three-dimensional chamber main body 1, closing the third air release valve, inflating and pressurizing the inflatable membrane of the second closed end plate 6 through the third air release valve by an air pump machine to enable the pressure of inflation and pressurization to reach a preset pressure value, stopping inflation and pressurization, and increasing the rigidity strength of the wire-drawing inflatable membrane of the second closed end plate 6 to form the inflatable three-dimensional second closed end plate 6.
And 5, according to the internal function planning area of the laboratory, hermetically connecting the internal partition panel 4 with the inflatable three-dimensional chamber main body 1, closing the fourth relief valve, inflating and pressurizing the inflatable membrane of the internal partition panel 4 through the fourth relief valve by an inflator pump so that the pressure of inflation and pressurization reaches a preset pressure value, stopping inflation and pressurization, and increasing the rigidity strength of the wiredrawing inflatable membrane of the internal partition panel 4 to form the inflatable three-dimensional internal partition panel 4.
And 6, mounting a door on the door opening.
And 7, installing an air conditioner and a fresh air system, wherein the air conditioner and the fresh air system are connected with each indoor area through an air supply and exhaust hole and a pipeline reserved hole 11.
The technical scheme has no metal framework, and complex overlapping is not needed during installation/removal, so that time and labor are saved; the technical scheme is integrally formed, the condition that the membrane material penetrates out of the metal framework is avoided, lap seams are avoided, and the sealing performance is higher; the envelope structure of the technical scheme has thicker thickness, is a double-layer film and cavity structure, and has stronger heat preservation. In the technical scheme, the maintenance structure has stronger rigidity and stronger wind and snow load bearing capacity; the middle of the double-layer film of the technical scheme is provided with the drawn wire, the pressure which can be increased in the double-layer film is higher, the rigidity of the double-layer film system is higher, and the double-layer film system can resist outdoor wind and snow load when being used as a cabin of an enclosure structure. The double-layer membrane system of the technical scheme has higher leakproofness, can be kept for a longer time after one-time inflation, and does not need continuous inflation. The technical scheme can realize larger negative pressure; the technical scheme can meet the requirement that the strength is not lower than the strength-type medical BSL-2.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. An inflatable portable medical nucleic acid testing laboratory, which is characterized in that: the bin comprises a bin main body (1) with two open ends along the length direction, a first closed end plate (3), a second closed end plate (6) and an internal partition plate (4), wherein the first closed end plate (3) is arranged on one open end of the bin main body (1), and the first closed end plate (3) is connected with the bin main body (1) in a sealing manner; the second closed end plate (6) is arranged on the other opening end of the chamber main body (1), and the second closed end plate (6) is connected with the chamber main body (1) in a sealing manner; the internal partition plate (4) is arranged in the chamber main body (1), and the internal partition plate (4) is used for partitioning the chamber main body (1) to form different using spaces; the bin main body (1) is made of a wire-drawing and air-filling film, and the first closed end plate (3), the second closed end plate (6) and the internal partition plate (4) are made of flexible materials; the wire drawing inflatable membrane is a double-layer membrane, and the double-layer membrane is connected through wire drawing.
2. The inflatable mobile medical nucleic acid testing laboratory of claim 1, wherein: the chamber main body (1) is formed by a first integral inflatable wall; or the chamber main body (1) comprises more than two second inflatable walls, and the two adjacent second inflatable walls are connected with each other.
3. The inflatable mobile medical nucleic acid testing laboratory of claim 2, wherein: the outer surface of the chamber main body (1) is provided with a sealing film.
4. The inflatable mobile medical nucleic acid testing laboratory of claim 3, wherein: cornices (12) are respectively arranged on openings at two ends of the chamber main body (1); the bottom of the chamber main body (1) is provided with a ground mat (2).
5. The inflatable mobile medical nucleic acid testing laboratory of claim 4, wherein: door openings (8) are formed in the bin main body (1), the first closed end plate (3), the second closed end plate (6) and the internal partition plate (4); and the chamber main body (1), the first closed end plate (3), the second closed end plate (6) and the internal partition plate (4) are provided with an air supply and exhaust hole and a pipeline reserved hole (11).
6. The inflatable mobile medical nucleic acid testing laboratory of claim 5, wherein: the sealing connection comprises one or more than two connection structures of a welding connection structure, an adhesive connection structure, a magic tape connection structure and a zipper connection structure.
7. The inflatable mobile medical nucleic acid testing laboratory of claim 5, wherein: the inner surface of the chamber main body (1) is provided with an antibacterial treatment layer; the outer surface of the main structure is at least provided with an anti-UV layer, a cold-resistant layer and a flame-retardant layer.
8. The inflatable mobile medical nucleic acid testing laboratory of claim 7, wherein: a first inflation valve and a first deflation valve are arranged on the wire drawing inflation film of the chamber main body (1); the first closed end plate (3), the second closed end plate (6) and the internal partition plate (4) are made of inflatable films; the gas filling membrane of the first closed end plate (3) is provided with a second gas filling valve and a second gas releasing valve, the gas filling membrane of the second closed end plate (6) is provided with a third gas filling valve and a third gas releasing valve, and the gas filling membrane of the internal partition panel (4) is provided with a fourth gas filling valve and a fourth gas releasing valve.
9. The inflatable mobile medical nucleic acid testing laboratory of claim 8, wherein: and a barometer is arranged on the wire drawing and inflating film of the chamber main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895385.2U CN217949871U (en) | 2022-04-18 | 2022-04-18 | Portable medical science nucleic acid testing laboratory of inflatable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895385.2U CN217949871U (en) | 2022-04-18 | 2022-04-18 | Portable medical science nucleic acid testing laboratory of inflatable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217949871U true CN217949871U (en) | 2022-12-02 |
Family
ID=84210278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220895385.2U Active CN217949871U (en) | 2022-04-18 | 2022-04-18 | Portable medical science nucleic acid testing laboratory of inflatable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217949871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856253A (en) * | 2022-04-18 | 2022-08-05 | 轻空间(江苏)膜科技有限公司 | Inflatable movable rigid space and construction method |
-
2022
- 2022-04-18 CN CN202220895385.2U patent/CN217949871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856253A (en) * | 2022-04-18 | 2022-08-05 | 轻空间(江苏)膜科技有限公司 | Inflatable movable rigid space and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8590229B2 (en) | Inflatable attic stairway insulation appliance | |
| CN217949871U (en) | Portable medical science nucleic acid testing laboratory of inflatable | |
| US20080110580A1 (en) | Insulated curtain for a door | |
| CN203321062U (en) | Inflatable tent for outdoor operation | |
| US11946274B2 (en) | Inflatable structure and method of transporting an inflatable structure | |
| CN104879023B (en) | Inflate soft window | |
| CN211153504U (en) | A airtight interface and flexible airtight tent for airtight tent | |
| CN114856253A (en) | Inflatable movable rigid space and construction method | |
| CN207211928U (en) | A kind of air bearing formula multilayer film building structure | |
| CN110304347B (en) | Pulling exhaust type air column bag | |
| CN212837059U (en) | Large-scale storehouse system is synthesized in field | |
| CN110439442A (en) | A kind of gas-tight door and flexible airtight tent for airtight tent | |
| CN204850679U (en) | Portable inflatable tent | |
| CN211173347U (en) | Inflatable airtight tent | |
| CN211173789U (en) | A airtight door and flexible airtight tent for airtight tent | |
| JP4980203B2 (en) | Tube Duct Sandwich Double Membrane Agricultural Film and Method of Use and Agricultural House Using It | |
| CN209099831U (en) | It is a kind of without rigid load bearing support structure | |
| CN215255816U (en) | Door and window heat preservation closing means | |
| CN210888281U (en) | Folding inflatable tent | |
| CN212507611U (en) | Movable refrigeration house with air rib type frame | |
| CN108560717B (en) | Air-supported multilayer film building structure | |
| JP3218402U (en) | Air tent | |
| CN219993326U (en) | Quick inflatable emergency disaster relief tent | |
| CN219387355U (en) | Reusable negative pressure air isolation room for integrated nuclear maintenance | |
| CN214246853U (en) | Portable inflatable insulation house capable of being expanded for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |