CN208640719U - Disposable blood sampling collection from heel device - Google Patents
Disposable blood sampling collection from heel device Download PDFInfo
- Publication number
- CN208640719U CN208640719U CN201820090413.7U CN201820090413U CN208640719U CN 208640719 U CN208640719 U CN 208640719U CN 201820090413 U CN201820090413 U CN 201820090413U CN 208640719 U CN208640719 U CN 208640719U
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- China
- Prior art keywords
- shell
- push rod
- blood sampling
- sampling collection
- support shaft
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to disposable blood sampling collection from heel devices, including shell, torsional spring, trigger member, four-bar linkage structure and blade;The shell is fastened and connected by two half shells and is formed, and the lower end of the shell is equipped with the edge of a knife, and the side of shell upper end is equipped with installing port;The trigger member includes triggering push handle and push handle block, the four-bar linkage structure include active push rod, driven push rod and articulated linkage.The utility model drives four-bar linkage structure by torque spring to promote blade that curved path is followed to complete disposable blood sampling collection from heel device, has many advantages, such as that easy to operate, wound restores fast and reduces pain in collecting sense.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of disposable blood sampling collection from heel device.
Background technique
Neonatal heel blood screening refers to acquires the inspection that Heel blood carries out after baby due 72 hours.Mainly for hair
Sick rate is higher, early stage non-evident sympton but has laboratory positive indication, can make a definite diagnosis and treatable disease.China at present
The project for being included in screening range has congenital hypothyroidism and phenylketonuria.
In some cases, such as from neonatal palm root it extracts small part blood or requires more volume here
When blood, it may be necessary to different blood sampling movements.It can be for cutting off capillary instead of the cutoff action of linearly piercing movement
It is beneficial.Therefore there are a variety of designs of hemostix, the hemostix uses blade rather than needle, and substantially described in rotation
Blade to promote blade by the hole in the shell of hemostix, with cut skin generate blood in skin can be by skin table
The short slit or notch in face.In the hemostix of rear seed type, construction generally it is more complicated, using blade rather than needle, and
And the hemostix also typically uses the arrangement that the pivot to promote blade to follow curved path is driven by torque spring.
The patent of the U.S. the 4157086th discloses a kind of arrangement, and wherein torque spring is predetermined and can to promoting blade to carry out
It repeats mobile pin and applies rotation driving.
The patent of the U.S. the 5527333rd discloses a kind of arrangement, and wherein user presses trigger member element, the trigger member member
Part extends the spring not stressed initially, to stretch the spring against the biasing of the spring, with blade prominent from shell.Cause
This, blade presses trigger member by user rather than is moved forward by the strain energy of release storage in the spring.
The patent of the U.S. the 2823677th discloses a kind of hemostix driven by torque spring.
The patent of the U.S. the 2007/0095178th discloses blade and is connected to crank connector by the spring of crosswise movement
Hemostix.Triggering hemostix is covered in trigger member by pressing, the trigger member lid biases and then discharges connector.
The patent of the U.S. the 5571132nd discloses a kind of arrangement, wherein applying input power without passing through release by user
Strain energy pushes ahead blade along scheduled path.
The patent of the U.S. the 4643189th discloses a kind of arrangement, wherein spring rotate or crosswise movement drives blade
To realize notch.
Application number: 201380016334.1 utility model discloses a kind of hemostix, including blood taking needle main body, described to adopt
Blood needle main body is elongated form and has the pointed tip being located at its front end;Driving spring, the driving spring are used for
Longitudinal movement is substantially sent to the blood taking needle main body and shell, the shell receives the blood taking needle main body and at it
There is hole, when hemostix is triggered, it is prominent that the pointed tip of blood taking needle main body passes through the hole when in use at front end.Blood sampling
Device includes laterally being moved from the movement of hole control blood taking needle main body when prominent with promoting the tip of blood taking needle to execute for tip
Dynamic device.Cutoff action is applied to the tool with cut edge and properly uses portrait orientation by the hemostix
Spring, the spring occurs to strain so that forward motion power is applied to blood taking needle, to drive the blood taking needle to realize notch, thus
Benefit from many benefits of previously mentioned hemostix.The other target of the utility model, which is to provide, uses improved needle section
Realize the hemostix of cutoff action.
Application number: the utility model of 201420410955.X discloses disposable newborn vola hemostix, including blood sampling
Needle installs shell, and driving lever, blood sampling blade are provided in mounting shell body, and driving lever passes through central axis and installation inner walls center
Rotation connection, driving lever includes shift lever end, the body of rod, and shift lever end exposure is external in mounting shell, it is characterised in that: the blood taking needle installation
Be arranged on shell and the shell of shift lever end opposite end it is fluted, bottom portion of groove be provided with blood sampling hole, the body of rod by elastic support with
Blade of taking a blood sample connects, and blood sampling blade passes through limit guide rail and compresses fixation.The utility model efficiently solves traditional blood taking needle, in baby
It in child's blood collection procedure, can not be accurately positioned, it is sometimes desirable to blood sampling be repeated several times, reduce blood sampling efficiency, also increase simultaneously
The feeling of pain of patient.
Application number: 201610705561.0 patent discloses a kind of blood sampling collection from heel device, comprising: shell, front end are equipped with
The edge of a knife out, one side are equipped with installing port;Setting in installing port location triggered part, trigger member in a manner of inwardly moveable forward with
Shell forms connection;Rack member and excitation gear, rack member including engagement connection are installed in shell along front and back is slideable,
The rear end connection excitation spring of rack member, excites the rear end of spring to connect with the intracorporal spring structure of shell is located at, excitation gear is logical
The the first support axis connection crossing connection long hole and being immobilized in the shell is equipped with limit opening in the rear end of excitation gear, in shell
It is equipped with limit inserted block in vivo, blade is installed in the front end of excitation gear;Swing arm is controlled including triggering, triggering control swing arm can turn
Dynamic formula be installed on be arranged in intracorporal second support shaft of shell, using second support shaft position as separation, triggering control swing arm by
First arm section and the second arm section are constituted.It is excellent that this blood sampling collection from heel device has that easy to operate, feed velocity is fast, pain in collecting sense is low
Point.
Utility model content
The utility model provides that a kind of structure is simple, easy to use and laborsaving, pain is few after blood sampling, wound healing is fast one
Secondary property uses blood sampling collection from heel device.
The technical solution of the utility model includes:
Disposable blood sampling collection from heel device, including shell, torsional spring, trigger member, four-bar linkage structure and blade;The shell by
Two half shells are fastened and connected to be formed, and the lower end surface of the shell is equipped with the edge of a knife, and the side of shell upper end is equipped with installing port.
The trigger member includes triggering push handle and push handle block, and in the state of to be excited, the rear end trigger arm is located at shell
It is connected together in vitro with the formation of push handle block;The installing port position of shell is arranged in and with inwardly removable forward in the triggering push handle
Dynamic mode and shell, which is formed, to be connected, and triggering push handle includes hand touching push handle part and triggering arm section outside shell;It is described
Triggering arm section includes front end trigger arm and rear end trigger arm.
In the state of to be excited, the rear end trigger arm is located at outer formed with push handle block of shell and is connected together, and reduces
The risk that maloperation causes blood taking needle to fail.
The corresponding part of the medial surface on the top of described two half shells is respectively equipped with positioning support muscle, the shell, shell
The positioning support muscle on installing port and two half shells on body forms aligning receptacle, and the triggering arm section is inserted along interior positioning
Mouth is mobile.
Support shaft and spring structure are equipped in one of half shell, the upper end of the torsional spring is hook, the torsion
The lower end of spring is straight torsion arm, and the lower end of the torsional spring is fixed by spring structure;The support shaft includes the first support
Axis and the second support shaft;The torsion spring set is in the first support shaft;The spring structure includes two limited blocks, described two limits
Position block is located on the inner surface of shell, card slot is formed between two limited blocks, the straight torsion arm is located in card slot.
The four-bar linkage structure includes active push rod, driven push rod and articulated linkage, and the active push rod is rotatably set
Torsional spring upper end is set in the first support shaft and is located at, the lower surface at the rear portion of the active push rod is equipped with the first circular cylindrical projection
It rises, torsional spring hooks first cylindrical protrusions;The upper surface at the rear portion of the active push rod and the front of driven push rod
Hinge, the upper surface hinge at the rear portion of the lower surface and articulated linkage at the rear portion of the driven push rod, before the articulated linkage
Portion is spindle rotationally arranged in the second support shaft, and the blade is embedded in the upper surface of driven push rod;
Preferably, first support shaft includes the cylinder that shell inner surface is arranged in and the roundlet that cylindrical center is arranged in
Column, for the torsion spring set on cylinder, the middle part of the active push rod is equipped with first through hole corresponding with small column.
Preferably, the upper surface at the rear portion of the active push rod be equipped with the second cylindrical protrusions, the driven push rod
Front is equipped with the second through-hole corresponding with the second cylindrical protrusions, and the left side of the lower surface at the rear portion of the driven push rod is equipped with
Third cylindrical protrusions, the front of the articulated linkage is equipped with third through-hole corresponding with the second support shaft, described hingedly to connect
The middle part of bar is equipped with fourth hole corresponding with third cylindrical protrusions;The upper end at the driven push rod rear portion is equipped with and blade
The vertical section of the groove that shape matches, the driven push rod is Z-shaped, facilitates installation, also can preferably realize that double leval jib drives
It is dynamic.
Preferably, it is provided with multiple inserting columns on the edge of a half shell, is set on the edge of another half shell
There are multiple plug-in openings, two half shells cooperatively form detachable be fixedly connected with tight insert of plug-in opening by inserting column;It is described
The lower end surface of shell is plane.
Two half shells are detachable, which to be fixedly connected, can make to install very convenient, and the lower end surface of the shell is plane,
Hemostix can be made preferably to contact with infant skin.
The medial surface on the top of described two half shells is equipped with rectangular preiection, can when blood sampling collection from heel device, which excites, to be completed
To prevent triggering push handle from taking out out of shell, prevent blood sampling collection from heel device from reusing.
The triggering push handle is located at the width of the touching of the hand outside shell push handle part, the width of push handle block and shell upper surface
Equivalent width, the height of hand touching push handle part is greater than the height of installing port, not only easy to use, but also adopts heel
Blood device is more aesthetically pleasing.
The utility model have the advantage that and the utility model has the advantages that
1. the utility model drives four-bar linkage structure by torque spring to promote blade that curved path arrangement is followed to complete one
Secondary property uses blood sampling collection from heel device, has many advantages, such as that easy to operate, wound restores fast and reduces pain in collecting sense;
2. the utility model be it is disposable, have the function of preventing from reusing;
3. at low cost and installation is more convenient;
4. rear end trigger arm is connected together with the formation of push handle block, reduce maloperation, reduces the wind of blood taking needle failure
Danger.
Detailed description of the invention
Fig. 1 is the explosive view of the disposable blood sampling collection from heel device of the utility model;
Fig. 2 is the main view of the disposable one of shell of blood sampling collection from heel device of the utility model;
Fig. 3 is structural schematic diagram when the disposable blood sampling collection from heel device of the utility model is to be excited;
Fig. 4 is the structural schematic diagram after the completion of the disposable blood sampling collection from heel device excitation of the utility model;
In figure:
1, shell 2, torsional spring 3, blade 4, inserting column
5, plug-in opening 6, upper surface 7, lower end surface 8, the out edge of a knife
9, installing port 10, positioning support muscle 11, hook 12, straight torsion arm
13, limited block 14, card slot 15, triggering push handle 16, push handle block
17, hand touching push handle part 18, triggering arm section 19, the first support shaft 20, the second support shaft
21, active push rod 22, driven push rod 23, articulated linkage 24, rectangular preiection
101, aligning receptacle 191, cylinder 192, small column 211, the first cylindrical protrusions
212, first through hole 213, the second cylindrical protrusions 221, the second through-hole 222, the second cylindrical protrusions
223, groove 231, third through-hole 232, fourth hole
Specific embodiment
As shown in Figure 1, disposable blood sampling collection from heel device, including shell 1, torsional spring 2, trigger member, four-bar linkage structure and knife
Piece 3.
As depicted in figs. 1 and 2, the shell 1 is fastened and connected by two half shells and is formed, on the edge of a half shell
Multiple inserting columns 4 are provided with, multiple plug-in openings 5 are equipped on the edge of another half shell, two half shells pass through inserting column 4
Detachable be fixedly connected is cooperatively formed with tight insert of plug-in opening 5;The upper surface 6 and lower end surface 7 of the shell 1 are plane;
The lower end of the shell 1 is equipped with the edge of a knife 8, and the side of 1 upper end of shell is equipped with installing port 9;The top of described two half shells
The corresponding part of medial surface is respectively equipped with positioning support muscle 10, on the installing port 9 and two half shells on the shell 1, shell 1
Positioning support muscle 10 form aligning receptacle 101.
As shown in Fig. 2, being equipped with support shaft and spring structure, the torsional spring 2 in one of half shell of the shell 1
Upper end be hook 11, the lower end of the torsional spring 2 is straight torsion arm 12, and the lower end of the torsional spring 2 is consolidated by spring structure
It is fixed;Preferably, the spring structure includes two limited blocks 13, and described two limited blocks 13 are located on the inner surface of shell 1, and two
Card slot 14 is formed between a limited block 13, the straight torsion arm 12 is located in card slot 14.
The trigger member includes triggering push handle 15 and push handle block 16, and the installation of shell 1 is arranged in the triggering push handle 15
Mouthful 9 positions and being formed in a manner of inwardly moveable forward with shell 1 connect, and triggering push handle 15 includes the hand outside shell 1
Touch push handle part 17 and triggering arm section 18;The triggering arm section 18 is moved along aligning receptacle 101, the triggering arm section packet
Include front end trigger arm and rear end trigger arm, as shown in figure 3, in the state of to be excited, the rear end trigger arm be located at shell 1 it is outer with
The formation of push handle block 16 is connected together;Rear end trigger arm is located at outside shell 1, the medial surface and rear end trigger arm of push handle block 16
Upper end face contact formed insurance institution, prevent blood sampling collection from heel device maloperation;As shown in figure 4, in hemostix excitation process, it is described
Rear end trigger arm enters inside shell 1 along aligning receptacle 101.
As shown in Figure 3, it is preferred that the triggering push handle 15 is located at the width of the touching of the hand outside shell 1 push handle part 17, push handle
The height of the width of block 16 and the equivalent width of 1 upper surface 6 of shell, hand touching push handle part 17 is greater than installing port 9
Highly.
As shown in Figure 1, the support shaft includes the first support shaft 19 and the second support shaft 20;Second support shaft 20
Height less than the first support shaft 19 height;2 sets of the torsional spring in the first support shaft 19;Preferably, first support
Axis 19 includes that the cylinder 191 of 1 inner surface of shell is arranged in and the small column 192 at 191 center of cylinder, 2 sets of the torsional spring is arranged in
On cylinder 191.
As shown in Figure 1, the four-bar linkage structure includes active push rod 21, driven push rod 22 and articulated linkage 23, it is described from
The vertical section of dynamic push rod 22 is Z-shaped, and the active push rod 21 is spindle rotationally arranged in the first support shaft 19 and is located at torsional spring 2
The lower surface of upper end, the rear portion of the active push rod 21 is equipped with the first cylindrical protrusions 211, and the hook 11 of torsional spring 2 hooks institute
State the first cylindrical protrusions 211;The front hinge of the upper surface at the rear portion of the active push rod 21 and driven push rod 22, it is described
The upper surface hinge at the rear portion of the lower surface and articulated linkage 23 at the rear portion of driven push rod 22, the front of the articulated linkage 23 can
In the second support shaft 20, the blade 3 is embedded in the upper surface of driven push rod 22 for the setting of rotation.
Preferably, the middle part of the active push rod 21 is equipped with first through hole 212 corresponding with small column 192, and described the
The rotatable set of one through-hole 212 is on small column 192;The upper surface at the rear portion of the active push rod 21 is equipped with the second cylinder
Protrusion 213;The front of the driven push rod 22 is equipped with second through-hole 221 corresponding with the second cylindrical protrusions 213, described
The left side of the lower surface at the rear portion of driven push rod 22 is equipped with third cylindrical protrusions 222;The front of the articulated linkage 2323 is set
There is third through-hole 231 corresponding with the second support shaft 20, the middle part of the articulated linkage 23 is equipped with and third cylindrical protrusions
222 corresponding fourth holes 232;The upper surface at 22 rear portion of driven push rod is equipped with the groove matched with 3 shape of blade
223, the blade 3 is embedded in the groove 223 of driven push rod 22.
Rectangular preiection 24, the side of the rectangular preiection 24 are respectively equipped on the medial surface on the top of described two half shells
Face is connected with the medial surface on half shell top, as shown in figure 3, front end trigger arm can not be from shell 1 because of the blocking of rectangular preiection 24
Interior extraction, it is therefore prevented that blood sampling collection from heel device reuses.
The course of work of the utility model: as shown in figure 3, in the state that blood sampling collection from heel device is in be excited, rear end touching
Hair arm is located at outer formed with push handle block 16 of shell 1 and is connected together;The front end of front end trigger arm and 21 front end of active push rod
Side compresses contact in the formation of rear end working position, and the first cylindrical protrusions 211 of 21 lower end of active push rod hook the hook of torsional spring 2
11 make torsional spring 2 be in twisting to extended state, and the point of a knife on blade 3 is located in shell 1.
When needing to excite, 3 exit of blade of blood sampling collection from heel device lower end surface is resisted to the heel of baby, extracts push handle block
16, it is pushed away to stop with finger and touches push handle part 17, rear end trigger arm enters inside shell 1 along aligning receptacle 101, front end trigger arm
It is disengaged with active push rod 21, four-bar linkage structure band cutting blade 3 forms arc designated port in baby's heel.
As shown in figure 4, the first cylindrical protrusions 211 and the hook 11 of torsional spring 2 are detached from after blood sampling collection from heel device is in excitation,
Torsional spring 2 is set to be in normal condition, blade 3 after driven 22 rotary camber designated port of push rod with being retracted in shell 1.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (10)
1. disposable blood sampling collection from heel device, it is characterised in that: including shell, torsional spring, trigger member, four-bar linkage structure and blade;
The shell is fastened and connected by two half shells and is formed, and the lower end of the shell is equipped with the edge of a knife, and the side of shell upper end is equipped with
Installing port;
The trigger member includes triggering push handle and push handle block, and in the state of to be excited, the rear end trigger arm is located at outside shell
It is connected together with the formation of push handle block;The triggering push handle is arranged in the installing port position of shell and with inwardly moveable forward
Mode and shell, which are formed, to be connected, and triggering push handle includes hand touching push handle part and triggering arm section outside shell;The triggering
Arm section includes front end trigger arm and rear end trigger arm;
Support shaft and spring structure are equipped in one of half shell, the upper end of the torsional spring is hook, the lower end of the torsional spring
Lower end for straight torsion arm, the torsional spring is fixed by spring structure;The support shaft includes the first support shaft and second
Support shaft;The torsion spring set is in the first support shaft;
The four-bar linkage structure includes active push rod, driven push rod and articulated linkage, and the active push rod is spindle rotationally arranged in
In first support shaft and it is located at torsional spring upper end, the lower surface at the rear portion of the active push rod is equipped with the first cylindrical protrusions, turns round
Spring hooks first cylindrical protrusions;The upper surface at the rear portion of the active push rod and the front hinge of driven push rod,
The upper surface hinge at the rear portion of the lower surface and articulated linkage at the rear portion of the driven push rod, the front of the articulated linkage can turn
In the second support shaft, the driven upper surface for postponing portion is equipped with the groove matched with blade shapes, described for dynamic setting
Blade is embedded in the groove of driven push rod;
In the state that hemostix is in be excited, triggering arm section is located at rear end working position, the front end of front end trigger arm and
The side of active push rod front end compresses contact in the formation of rear end working position, and the first cylindrical protrusions of active push rod lower end hook torsion
Spring hook makes torsional spring be in twisting to extended state, and the point of a knife on blade is located in shell;Shape after hemostix is in excitation
Under state, triggering arm section is located at front end working position, and front end trigger arm is disengaged with active push rod, the first cylindrical protrusions and torsion
Spring hook is detached from, and torsional spring is made to be in normal condition, and blade behind driven push rod rotary camber path with being retracted in shell.
2. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: the spring structure includes two
Limited block, described two limited blocks are located on the inner surface of shell, and card slot, the straight torsion arm position are formed between two limited blocks
In in card slot.
3. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: the top of described two half shells
The corresponding part of medial surface be respectively equipped with positioning support muscle, on the installing port and two half shells on the shell, shell
Positioning support muscle forms aligning receptacle, and the triggering arm section is moved along interior aligning receptacle.
4. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: first support shaft includes setting
The cylinder in shell inner surface and the small column that cylindrical center is set are set, the torsion spring set is on cylinder, the active push rod
Middle part be equipped with first through hole corresponding with small column.
5. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: the rear portion of the active push rod
Upper surface is equipped with the second cylindrical protrusions, and the front of the driven push rod is equipped with corresponding with the second cylindrical protrusions second
The left side of through-hole, the lower surface at the rear portion of the driven push rod is equipped with third cylindrical protrusions, and the front of the articulated linkage is set
There is third through-hole corresponding with the second support shaft, the middle part of the articulated linkage is equipped with corresponding with third cylindrical protrusions
Fourth hole.
6. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: on the edge of a half shell
Be provided with multiple inserting columns, be equipped with multiple plug-in openings on the edge of another half shell, two half shells by inserting column and
Tight insert of plug-in opening cooperatively forms detachable be fixedly connected.
7. disposable blood sampling collection from heel device according to claim 1 or 2, it is characterised in that: described two half shells
Rectangular preiection is respectively equipped on the medial surface on top.
8. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: the triggering push handle is located at shell
Width, the width of push handle block and the equivalent width of shell upper surface of outer hand touching push handle part, the hand touch push handle part
Height be greater than installing port height.
9. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: the vertical section of the driven push rod
For Z-shaped.
10. disposable blood sampling collection from heel device according to claim 1, it is characterised in that: the lower end surface of the shell is
Plane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820090413.7U CN208640719U (en) | 2018-01-19 | 2018-01-19 | Disposable blood sampling collection from heel device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820090413.7U CN208640719U (en) | 2018-01-19 | 2018-01-19 | Disposable blood sampling collection from heel device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208640719U true CN208640719U (en) | 2019-03-26 |
Family
ID=65771305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820090413.7U Withdrawn - After Issue CN208640719U (en) | 2018-01-19 | 2018-01-19 | Disposable blood sampling collection from heel device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208640719U (en) |
-
2018
- 2018-01-19 CN CN201820090413.7U patent/CN208640719U/en not_active Withdrawn - After Issue
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AV01 | Patent right actively abandoned |
Granted publication date: 20190326 Effective date of abandoning: 20210415 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190326 Effective date of abandoning: 20210415 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |