CN214542604U - Wire connection structure and pressure monitoring system - Google Patents
Wire connection structure and pressure monitoring system Download PDFInfo
- Publication number
- CN214542604U CN214542604U CN202120494681.7U CN202120494681U CN214542604U CN 214542604 U CN214542604 U CN 214542604U CN 202120494681 U CN202120494681 U CN 202120494681U CN 214542604 U CN214542604 U CN 214542604U
- Authority
- CN
- China
- Prior art keywords
- hole
- circuit board
- mounting hole
- wall
- connecting wall
- 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
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a wire connecting structure, wherein, the wire connecting structure comprises a circuit board, a seat body and a conduction column, a through hole is arranged on the circuit board, the seat body is provided with a bearing surface for bearing the circuit board, a mounting hole which runs through the seat body is arranged on the bearing surface, the mounting hole corresponds to the through hole, and the conduction column comprises a fixed part and an external part which are connected; the fixing part penetrates through the mounting hole and the through hole, is in interference fit with the hole wall of the mounting hole and is electrically connected to the circuit board, and the external connection part penetrates through the mounting hole and is located on one side, back to the circuit board, of the bearing surface. The utility model discloses technical scheme can make be used for electrically conductive part difficult not hard up when using among the wire connection structure.
Description
Technical Field
The utility model relates to the technical field of medical machinery, in particular to wire connection structure.
Background
The lead connecting structure is used for connecting the pressure sensor and the monitor to form a pressure monitoring system; after the blood pressure of a patient is measured by the pressure sensor, the blood pressure signal is converted into a digital signal, and then the digital signal is displayed on the monitor.
However, in the conventional wire connection structure, the parts for conducting electricity are easy to loosen, so that signal transmission is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wire connection structure, the part that is used for electrically conducting among the purpose of making the wire connection structure is difficult not hard up when using.
To achieve the above object, the present invention provides a wire connecting structure, which comprises
The circuit board is provided with a through hole;
the base body is provided with a bearing surface for bearing the circuit board, the bearing surface is provided with a mounting hole penetrating through the base body, and the mounting hole is opposite to the through hole; and
the conduction column comprises a fixing part and an external connection part which are connected; the fixing part penetrates through the through hole and the mounting hole, is in interference fit with the hole wall of the mounting hole, is electrically connected to the circuit board, and the external connecting part penetrates through the mounting hole and is located on one side, back to the circuit board, of the bearing surface.
The utility model relates to an embodiment, the fixed part deviates from the protruding formation backstop portion of establishing of one end lateral wall of external portion, backstop portion is located the circuit board dorsad accept one side of face.
In an embodiment of the present invention, the fixing portion is disposed through the through hole, and is in interference fit with the hole wall of the through hole.
In an embodiment of the present invention, the bearing surface is convexly provided with a positioning column, and the circuit board is provided with a positioning hole; the positioning column penetrates through the positioning hole.
In an embodiment of the present invention, the wire connecting structure further includes a cover body, and the cover body covers the receiving surface to form a receiving cavity; the circuit board is accommodated in the accommodating cavity; and the cover body is provided with an interface communicated with the containing cavity and used for leading in a lead.
In an embodiment of the present invention, the receiving surface is surrounded on the outer side of the circuit board to form a first connecting wall; one side of the cover body facing the seat body is convexly provided with a second connecting wall; the first connecting wall is detachably connected to the second connecting wall.
In an embodiment of the present invention, one of the first connecting wall and the second connecting wall has a buckle, and the other of the first connecting wall and the second connecting wall has a slot, and the buckle is disposed in the slot.
In an embodiment of the present invention, the two opposite sides of the outer surface of the cover body are all concave to form finger positions.
In an embodiment of the present invention, the finger surface is provided with a plurality of anti-slip ribs arranged side by side.
The utility model also provides a pressure monitoring system, which comprises a monitor, a pressure sensor and a wire connecting structure;
the wire connection structure includes:
the circuit board is provided with a through hole;
the base body is provided with a bearing surface for bearing the circuit board, the bearing surface is provided with a mounting hole penetrating through the base body, and the mounting hole corresponds to the through hole; and
the conduction column is connected with the fixing part and the external connection part; the fixing part penetrates through the mounting hole in an interference manner, the fixing part penetrates through the through hole and is electrically connected with the circuit board, and the external connection part is arranged on one side of the circuit board facing the seat body;
the wire connecting structure is connected with the monitor and the pressure sensor.
The utility model adopts the technical proposal that when the conduction column is installed, the external part passes through the through hole and the installation hole in sequence, and then the fixing part connected with the external part passes through the through hole and the installation hole in sequence; the fixing part is arranged in the mounting hole in an interference fit mode, and meanwhile the fixing part is electrically connected to the circuit board, so that the conduction column is stably fixed on the lead connecting structure.
In the existing wire connection structure, a conducting strip is taken as a conducting part, the conducting strip is directly inserted into a seat body, and an agnail convexly arranged on the conducting strip is clamped in the seat body, but the conducting strip can only be prevented from being pulled out when being pulled in this way, but when the conducting strip receives pressure, a bevel edge on the agnail can continuously puncture the seat body inwards, the whole conducting strip can move towards the pressure direction, and the conducting strip is loosened; the utility model discloses technical scheme then improves the conducting strip for the aforesaid is led electrical pillar to the production of this problem has been avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a wire connection structure of the present invention;
FIG. 2 is a partial exploded view of FIG. 1;
FIG. 3 is a schematic view of the seat structure;
fig. 4 is a schematic structural view of a conductive via;
FIG. 5 is a schematic view of a portion of the structure of FIG. 1;
FIG. 6 is a schematic structural view of the cover;
fig. 7 is a partial cross-sectional view of fig. 1.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a wire connection structure.
Referring to fig. 1 and 2, in the embodiment of the present invention, the wire connection structure 100 includes a circuit board 10, a base 30, a conduction column 50, and a wire 90; wherein, the circuit board 10 is provided with a through hole 11 penetrating through two sides of the circuit board 10; the base 30 has a receiving surface 31, the receiving surface 31 is used for receiving the circuit board 10, and the base 30 has a mounting hole 33 penetrating through the base 30, the mounting hole 33 communicates the receiving surface 31 and one side of the base 30 departing from the receiving surface 31; as shown in fig. 2, the number of the through holes 11 may be one or more, and when the number of the through holes 11 is multiple, the through holes 11 are distributed on the circuit board 10 at intervals, and the mounting holes 33 correspond to the through holes 11 one to one; the conduction column 50 is provided with a fixing part 53 and an external connection part 51 which are connected with each other, the fixing part 53 and the external connection part 51 extend towards the direction of the mutual deviation, the cross section area of the fixing part 53 is larger than that of the external connection part 51, the conduction column 50 is in one-to-one correspondence with the through hole 11, when the fixing part 53 is arranged in the through hole 11 and the mounting hole 33 in a penetrating way, at least part of the external connection part 51 extends out of the mounting hole 33 and is positioned on one side of the bearing surface 31 deviating from the circuit board 10 so as to be connected with other equipment; the wire connection structure 100 further includes a wire 90, one end of the wire 90 is electrically connected to the circuit board 10, and the other end of the wire is used for connecting to other devices.
In the lead connecting structure 100 according to the technical scheme of the present invention, when the conduction column 50 is installed, the external connection portion 51 is first inserted through the through hole 11 and the installation hole 33, and then the fixing portion 53 connected to the external connection portion 51 is inserted through the through hole 11 and the installation hole 33; the fixing portion 53 is disposed in the mounting hole 33 and is in interference fit with the mounting hole 33, and the fixing portion 53 is electrically connected to the circuit board 10, so as to stably fix the conductive via 50 on the wire connection structure 100.
In the conventional wire connection structure 100, the conductive sheet is used as a conductive part, and is directly inserted into the seat body 30, and the barb protruding on the conductive sheet is clamped in the seat body 30, but this way only prevents the conductive sheet from being pulled out when the conductive sheet is pulled, but when the conductive sheet receives pressure, the oblique edge on the barb continues to pierce the seat body 30 inwards, the entire conductive sheet can move towards the pressure direction, and the conductive sheet is also loosened; the utility model discloses technical scheme then improves the conducting strip for the aforesaid is led electrical pillar to the production of this problem has been avoided.
Further, as shown in fig. 3, the fixing portion 53 and the external connecting portion 51 both extend in a strip shape along the axial direction of the wire connecting structure 100; specifically, the cross sections of the fixing portion 53 and the external connection portion 51 are rectangular or circular; the inner contours of the through hole 11 and the mounting hole 33 have the same shape and size, and match the shape of the outer contour of the fixing portion 53; the cross-sectional area of the through-hole 11 is larger than the cross-sectional area of the external portion 51 and smaller than the cross-sectional area of the fixing portion 53. When the fixing portion 53 is inserted into the through hole 11 and the mounting hole 33, the inner walls of the through hole 11 and the mounting hole 33 are both abutted against the outer wall of the fixing portion 53, and an interference fit is generated.
The embodiment of the utility model provides an in, pedestal 30 is elastic material, and when with the interference fit of conduction post 50, mounting hole 33 produces elastic deformation, can protect conduction post 50 not destroyed.
In the embodiment of the present invention, the conduction column 50 further includes a guiding portion 57, a connecting portion is connected to one side of the guiding portion 57, the fixing portion 53 is connected to the opposite side, and the guiding portion 57 is gradually enlarged from one side of the connecting portion to one side of the cross-sectional area of the connecting portion 53. The guiding portion 57 is configured to guide the conductive via 50 when the conductive via is inserted into the through hole 11, and to uniformly distribute a force applied to the conductive via during the insertion process, so as to protect an end of the fixing portion 53 facing the connecting portion from being damaged due to sudden changes in area and force during the insertion process.
Further, the fixing portion 53 extends to extend out of the through hole 11 in a direction away from the external connecting portion 51, and a portion of the fixing portion 53 extending out of the through hole 11 is provided with a stopper portion 55 in a protruding manner along a circumferential direction; the stopping portion 55 is connected to the circuit board 10 at a side thereof away from the base, and the stopping portion 55 can be soldered on the circuit board 10 to strengthen the fixation of the conduction via 50.
Further, the cross-sectional area of the stopping portion 55 is larger than that of the through hole 11, so that the stopping portion 55 can abut against a surface of the circuit board 10 away from the base 30, and when the wire connection structure 100 is used and the connection portion needs to be pulled away from other devices, the conduction column 50 is prevented from being pulled out entirely due to excessive force. Meanwhile, the stopping portion 55 is electrically connected with the surface of the circuit board 10 and fixed by soldering;
in the embodiment of the present invention, the connecting portion, the guiding portion 57, the fixing portion 53 and the stopping portion 55 are integrally formed; and the conductive via 50 may be a conductive metal material such as silver and copper, or a silver-copper alloy.
Referring to fig. 4 and 5, the receiving surface 31 is convexly provided with a positioning post 35, and the circuit board 10 is provided with a positioning hole 13; the positioning column 35 can be inserted into the positioning hole 13 in a matching manner so as to conveniently align the through hole 11 with the mounting hole 33 in the mounting process; the number of the positioning columns 35 can be multiple, the positioning columns 35 are distributed on the bearing surface 31 at intervals, and the positioning holes 13 correspond to the positioning columns 35 one by one; the positioning hole 13 may be recessed on a side of the circuit board 10 away from the conductive wire 90, or may penetrate through both sides of the circuit board 10.
In the embodiment of the present invention, the positioning column 35 is in interference fit with the positioning hole 13 to enhance the fixation of the circuit board 10 on the seat body 30, the positioning column 35 and the seat body 30 can be integrally formed, so that the positioning column 35, which is also made of elastic material, can be deformed, and the circuit board 10 is prevented from being damaged when the positioning column 35 is in interference fit with the positioning hole 13; an adhesive material may be added between the circuit board 10 and the receiving surface 31 to further strengthen the connection.
Optionally, the two opposite sides of the outer surface of the seat body 30 are both concavely provided with finger positions 71, and a user can press the forefinger and the thumb on the two oppositely-arranged finger positions 71 respectively to pick up the wire connection structure 100, and then insert or pull out other devices from the connection part of the receiving surface 31 located on the side away from the chip; the arrangement of the finger positions 71 provides an axial force point for the finger pulp to save labor for the user.
Furthermore, the surface of the finger position 71 is convexly provided with anti-slip ribs 73, the anti-slip ribs 73 form an included angle with the axis of the cover body 70, in the embodiment of the present invention, the anti-slip ribs 73 are perpendicular to the axis; the number of the anti-slip ribs 73 is multiple, and the anti-slip ribs 73 are arranged at intervals; therefore, the unevenness of the surface of the finger position 71 is increased, so that the friction force between the finger and the finger position 71 is increased, and the user can insert and pull the cover body 70 more powerfully.
Referring to fig. 2 and 6, the wire connection structure 100 of the present invention further includes a cover 70, the cover 70 covers the receiving surface 31 and encloses with the receiving surface 31 to form a receiving cavity 20, and the circuit board 10 is received in the receiving cavity 20 to protect the circuit board 10; the cover body 70 is detachably connected with the seat body 30; the cover 70 further has an interface 79 communicating with the accommodating cavity 20, and one end of the lead 90 away from the circuit board 10 extends out of the accommodating cavity 20 through the interface 79 to connect to other devices.
When the cover 70 and the holder 30 are magnetically connected, a first magnetic member may be disposed on the holder 30, and a second magnetic member may be disposed on the cover 70, where the magnetic poles of the first magnetic member and the second magnetic member are opposite. The first magnetic part and the second magnetic part can be mutually adsorbed and can be mutually separated under the action of external force.
When the cover 70 and the base 30 are mechanically connected, a first connecting wall 37 is convexly formed along the bearing surface 31, and the first connecting wall 37 encloses the outer side of the circuit board 10; a second connecting wall 75 is formed by protruding one side of the cover 70 facing the seat 30, the second connecting wall 75 surrounds the opening of the cover 70, and the inner wall surface of the first connecting wall 37 is detachably connected with the outer wall surface of the second connecting wall 75.
In the embodiment of the present invention, the outer wall surface of the second connecting wall 75 is held on the inner wall surface of the first connecting wall 37 by interference; or, the inner wall surface of the first connecting wall 37 has an internal thread, the outer wall surface of the second connecting wall 75 has an external thread, and the first connecting wall 37 and the second connecting wall 75 are connected by the thread; alternatively, as shown in fig. 4 and 6, the inner wall of the first connecting wall 37 is protruded to form a buckle 371, the outer wall of the second connecting wall 75 is recessed to form a slot 751, and the buckle 371 is detachably clamped in the slot 751. Meanwhile, the outer surface of the seat body 30 is convexly provided with a first positioning fin 32, the outer surface of the cover body 70 is convexly provided with a second positioning fin 72, the position of the first positioning fin 32 corresponds to the position of the buckle 371, and the position of the second positioning fin 72 corresponds to the position of the clamping groove 751; the user can align the fastener 371 with the slot 751 by aligning the first positioning fin 32 with the second positioning fin 72; it is more convenient when connecting the cover 70 and the holder body 30.
Further, referring to fig. 6 and 7, two opposite sides of the outer surface of the cover 70 are concavely provided with finger positions 71, and when a user connects or disconnects the cover 70 to the seat 30, the index finger and the thumb can be respectively pressed on the two oppositely-arranged finger positions 71; the arrangement of the finger positions 71 provides an axial force point for the finger pulp to save labor for the user.
Furthermore, the surface of the finger position 71 is convexly provided with anti-slip ribs 73, the anti-slip ribs 73 form an included angle with the axis of the cover body 70, in the embodiment of the present invention, the anti-slip ribs 73 are perpendicular to the axis; the number of the anti-slip ribs 73 is multiple, and the anti-slip ribs 73 are arranged at intervals; therefore, the unevenness of the surface of the finger position 71 is increased, so that the friction force between the finger and the finger position 71 is increased, and the user can insert and pull the cover body 70 more powerfully.
The embodiment of the utility model provides an in, cover body 70 can adopt TPE (Thermoplastic Elastomer) flexible glue to replace traditional rubber materials, its environmental protection more, and feel comfortable.
The utility model discloses still provide a pressure monitoring system, this pressure monitoring system include monitor, pressure sensor and wire connection structure 100, and above-mentioned embodiment is referred to this wire connection structure 100's concrete structure, because this pressure monitoring system has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein, one end of the wire connecting structure 100 is connected with the pressure sensor, and the other end is connected with the monitor; specifically, the wire 90, the circuit board 10 and the conduction column 50 are electrically conducted, one end of the wire 90 away from the circuit board 10 is connected with the pressure sensor, and one end, i.e. a connecting part, of the conduction column 50 away from the circuit board 10 is connected with the monitor; after puncturing the blood vessel of the patient, the blood pressure is measured by the pressure sensor and converted into a digital signal, which is transmitted to the monitor through the guide, the circuit board 10 and the conduction column 50 in sequence and displayed.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A lead wire connection structure is characterized by comprising
The circuit board is provided with a through hole;
the base body is provided with a bearing surface for bearing the circuit board, the bearing surface is provided with a mounting hole penetrating through the base body, and the mounting hole is opposite to the through hole; and
the conduction column comprises a fixing part and an external connection part which are connected; the fixing part penetrates through the through hole and the mounting hole, is in interference fit with the hole wall of the mounting hole, is electrically connected to the circuit board, and the external connecting part penetrates through the mounting hole and is located on one side, back to the circuit board, of the bearing surface.
2. The connecting structure of claim 1, wherein a stop portion is formed by a protruding sidewall of one end of the fixing portion away from the external portion, and the stop portion is located on a side of the circuit board opposite to the receiving surface.
3. The wire connecting structure according to claim 1, wherein the fixing portion is inserted into the through hole and is in interference fit with a hole wall of the through hole.
4. The structure of claim 1, wherein the carrying surface has positioning posts protruding thereon, and the circuit board has positioning holes; the positioning column penetrates through the positioning hole.
5. The wire connecting structure according to any one of claims 1 to 4, further comprising a hood that is covered on the receiving surface to form a receiving cavity; the circuit board is accommodated in the accommodating cavity; and the cover body is provided with an interface communicated with the containing cavity and used for leading in a lead.
6. The structure of claim 5, wherein the receiving surface is surrounded by a first connecting wall on the outer side of the circuit board; one side of the cover body facing the seat body is convexly provided with a second connecting wall; the first connecting wall is detachably connected to the second connecting wall.
7. The wire connecting structure according to claim 6, wherein one of said first connecting wall and said second connecting wall has a catch, and the other of said first connecting wall and said second connecting wall has a catch, said catch being caught in said catch.
8. The wire connecting structure according to claim 5, wherein finger positions are formed by recessing both sides of the outer surface of the cover body facing away from each other.
9. The wire connecting structure according to claim 8, wherein a plurality of anti-slip ribs are protruded from the finger-position surface.
10. A pressure monitoring system comprising a monitor, a pressure sensor and a lead attachment structure according to any one of claims 1 to 9; the wire connecting structure is connected with the monitor and the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494681.7U CN214542604U (en) | 2021-03-08 | 2021-03-08 | Wire connection structure and pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494681.7U CN214542604U (en) | 2021-03-08 | 2021-03-08 | Wire connection structure and pressure monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214542604U true CN214542604U (en) | 2021-10-29 |
Family
ID=78261939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120494681.7U Active CN214542604U (en) | 2021-03-08 | 2021-03-08 | Wire connection structure and pressure monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214542604U (en) |
-
2021
- 2021-03-08 CN CN202120494681.7U patent/CN214542604U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3548880B1 (en) | Sensor holder device for invasive biosensors | |
| US11024993B2 (en) | Connecting method, connecting structure and connection terminal assembly | |
| CN214542604U (en) | Wire connection structure and pressure monitoring system | |
| CN114093702A (en) | Key structure and wearable equipment | |
| CN219017555U (en) | Wire harness connecting member and relay | |
| CN208799679U (en) | A kind of magnetic attraction type skin electrode structure | |
| EP3540863B1 (en) | Semi-automatic connector for flexible circuit | |
| US10674925B2 (en) | Electrode assemblies for measuring bio-signals | |
| CN213484008U (en) | Multi-mode cable connector convenient to unlock | |
| CN212257740U (en) | Guiding insertion connector | |
| US11177591B2 (en) | Connecting method, connecting structure and connection terminal | |
| CN213425241U (en) | Insulation flat plate wire clamp | |
| CN211534395U (en) | Wire connection structure and pressure monitoring system | |
| US20240088590A1 (en) | Connector | |
| EP1303214B1 (en) | An electromedical electrode with a snap connecting means | |
| CN217062649U (en) | Industrial aviation socket | |
| US20240178595A1 (en) | Connector assembly and connecting method | |
| CN211152010U (en) | Calling device | |
| CN218005427U (en) | Electrode wire harness structure, electric control box, electrocardiogram monitoring equipment, intelligent direction operating device and carrier | |
| CN210052894U (en) | Press-fastening type structure and electric connector | |
| CN212810622U (en) | Novel connector and lock card | |
| CN218648187U (en) | SMT connector convenient to assemble | |
| CN215961805U (en) | Electrical stimulation needle | |
| US20230420902A1 (en) | Sheet type conductive member and connector | |
| US20230028291A1 (en) | Connector and connector assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |