CN215608362U - Medical infusion calling device based on computer control - Google Patents

Medical infusion calling device based on computer control Download PDF

Info

Publication number
CN215608362U
CN215608362U CN202122136095.8U CN202122136095U CN215608362U CN 215608362 U CN215608362 U CN 215608362U CN 202122136095 U CN202122136095 U CN 202122136095U CN 215608362 U CN215608362 U CN 215608362U
Authority
CN
China
Prior art keywords
plate
infusion
contact
fixed
side face
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
Application number
CN202122136095.8U
Other languages
Chinese (zh)
Inventor
孟凡荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202122136095.8U priority Critical patent/CN215608362U/en
Application granted granted Critical
Publication of CN215608362U publication Critical patent/CN215608362U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses medical infusion calling equipment based on computer control, which comprises a supporting rod, wherein a fixed plate is installed on the upper portion of the side face of the supporting rod, a movable plate is movably arranged on the side face of the fixed plate up and down, an elastic piece for supporting the movable plate is arranged on the fixed plate, an installation plate is fixed on the side face of the movable plate, and a positioning piece for hanging an infusion device is installed on the side face of the installation plate. This medical treatment is with infusion calling device based on computer control can detect infusion set automatically, can effectively inform medical staff to change the medicine or demolish infusion set before the infusion is accomplished, does not need patient or nurse to observe infusion set for a long time, reduces the loss of patient or nurse's mental power, is convenient for have a rest among the patient treatment process of being convenient for simultaneously, facilitates the use, and this equipment still is provided with warning piece and extruded piece in addition for supplementary medical personnel change the medicine.

Description

Medical infusion calling device based on computer control
Technical Field
The utility model relates to the technical field of medical auxiliary equipment, in particular to medical infusion calling equipment based on computer control.
Background
The infusion is a method for infusing a large amount of sterile liquid, electrolyte, medicine and the like into a body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure, the infusion belongs to one type of hospital treatment, medical staff is required to replace or remove the medicine after the infusion is finished, and the medical staff is not on the side of a patient due to the long infusion time, so the patient needs to inform the medical staff before the infusion is finished;
the common transfusion calling equipment is mostly manually operated by a patient or a caregiver, but the transfusion time is long, a large amount of mental power is consumed for the patient or the caregiver to observe the transfusion device for a long time, the patient or the caregiver is not favorable for the patient to have a rest, meanwhile, the patient or the caregiver cannot use the calling equipment to inform medical staff in time, the automation degree is low, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical problem of the prior art, and provides a computer-controlled medical infusion calling device which can automatically detect an infusion device, effectively inform medical staff of replacing medicines or removing the infusion device before infusion is finished, does not need a patient or a caregiver to observe the infusion device for a long time, reduces the mental loss of the patient or the caregiver, is convenient for the patient to rest in the treatment process and is convenient to use, and is also provided with a warning piece and an extrusion piece for assisting the medical staff in replacing medicines, so that the problems in the background technology can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a medical treatment is with infusion calling device based on computer control, includes the bracing piece, bracing piece side upper portion installs the fixed plate, the activity is provided with the movable plate from top to bottom in the fixed plate side, and is provided with the elastic component that supports the movable plate on the fixed plate, the side of movable plate is fixed with the mounting panel, the mounting panel side-mounting has the setting element that hangs infusion set.
The lower extreme of movable plate is fixed with the extension board, and extends the board upside and install first contact, the bracing piece is located the position of first contact top and installs the second contact with first contact, the side of bracing piece still is provided with controller, communication module and group battery.
The input end of the first contact is electrically connected with the output end of the battery pack, the input end of the controller is electrically connected with the output end of the second contact, and the input end of the communication module is electrically connected with the output end of the controller.
As a preferred technical scheme of the utility model, the positioning part comprises a positioning ring fixed at the lower part of the side surface of the mounting plate, an arc-shaped plate is arranged at the upper part of the side surface of the mounting plate corresponding to the positioning ring, and an elastic rope is fixed at the side surface of the arc-shaped plate.
As a preferable technical scheme of the utility model, the positioning piece further comprises a hanging rod fixed on the side surface of the mounting plate, and the hanging rod is positioned right above the arc-shaped plate.
As a preferred technical solution of the present invention, the moving plate is slidably disposed in a sliding hole formed in a side surface of the fixed plate, the elastic member is a spring sleeved on an outer side of the moving plate, and the spring is located between the mounting plate and the fixed plate.
As a preferred technical scheme of the utility model, a positioning plate located right below the positioning element is fixed on the side surface of the fixed plate, a first inclined surface is arranged on the lower side of the positioning plate, a first clamping groove is formed in the position, close to the first inclined surface, of the positioning plate, the movable plate is located below the fixed plate and is provided with a squeezing plate corresponding to the positioning plate, a second inclined surface parallel to the first inclined surface is arranged on the upper side of the squeezing plate, and a second clamping groove is clamped in the position, close to the second inclined surface, of the squeezing plate.
As a preferred technical scheme of the present invention, a detector is disposed on a lower side of the mounting plate, an input end of the detector is electrically connected to an output end of the second contact, and an output end of the detector is electrically connected to an input end of the controller.
As a preferable technical solution of the present invention, an indicator light is further installed on a side surface of the support rod, and an input end of the indicator light is electrically connected with an output end of the second contact.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the computer control-based medical infusion calling device, when the infusion device is an infusion bottle, the infusion bottle is placed in the positioning ring, the positioning ring supports and positions the infusion bottle, the arc-shaped plate and the elastic rope are used for supporting and limiting the infusion bottle, the stability of the infusion bottle placed in the positioning ring is guaranteed, when the infusion device is an infusion bag, the infusion bag is fixed on the hanging rod through the hanging ring on the upper side of the infusion bag, and the positioning piece is convenient for fixing the infusion device.
2. According to the computer control-based medical infusion calling device, after the infusion device is fixed on the positioning piece, the infusion device is driven by gravity through the mounting plate to press the movable plate to press the elastic piece and move downwards, the first contact and the second contact are separated, the electronic device in the device is in an open circuit state, the weight of the infusion device is reduced along with the use of the infusion device, the elastic piece pushes the movable plate to gradually move upwards to reset, after the first contact and the second contact are contacted, the battery pack supplies power to the electronic device in the device through the first contact and the second contact, and after the controller is powered on, the information is transmitted into the information receiving module at the position of a medical worker through the communication module to remind the medical worker to replace medicines or remove the infusion device.
3. According to the computer control-based medical infusion calling device, information detected by the detector is transmitted into the information receiving module through the communication module through the controller, so that medical staff can conveniently observe the content of the residual liquid medicine, the detector is in an open circuit state in the infusion process, the power is switched on when the infusion is about to be completed, the energy loss of the battery pack is reduced, the indicator lamp is convenient for the medical staff to find the position of the liquid medicine to be replaced, and meanwhile, the indicator lamp is used for reminding patients or nursing staff of the need of replacing the liquid medicine.
4. According to the computer control-based medical infusion calling device, an infusion tube of an infusion device is placed in a first groove of a positioning plate and a second groove of a pressing plate, the infusion tube is located between the positioning plate and the pressing plate, the first groove and the second groove are convenient for installation and positioning of the infusion tube, the pressing plate is driven to move in the moving plate moving up and resetting process, the pressing plate and the positioning plate press the infusion tube, the flow of the infusion tube is reduced, and sufficient time is reserved for medical staff to replace liquid medicine or remove the infusion device.
5. The computer-controlled medical infusion calling equipment can automatically detect the infusion device, effectively inform medical staff to replace drugs or remove the infusion device before infusion is finished, does not need patients or caregivers to observe the infusion device for a long time, reduces mental loss of the patients or the caregivers, is convenient for the patients to rest in the treatment process and use, and is provided with a warning piece and an extrusion piece to assist the medical staff to replace the drugs.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the extrusion of FIG. 1.
In the figure: the device comprises a supporting rod 1, a fixing plate 2, a moving plate 3, a mounting plate 31, a spring 32, a positioning ring 33, an arc-shaped plate 34, an elastic rope 35, a hanging rod 36, an extension plate 4, a first contact 5, a second contact 6, a detector 7, a controller 8, a communication module 9, an indicator light 10, a battery pack 11, a positioning plate 12 and a pressing plate 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a medical treatment is with infusion calling device based on computer control, including the bracing piece 1 of vertical setting, fixed plate 2 is installed on bracing piece 1 side upper portion, the activity is provided with movable plate 3 from top to bottom in fixed plate 2 side, and is provided with the elastic component that supports movable plate 3 on the fixed plate 2, and the side of movable plate 3 is fixed with mounting panel 31, and mounting panel 31 side is installed and is hung infusion set's setting element, fixes infusion set back on the setting element, and infusion set receives gravity and passes through mounting panel 31 and drive movable plate 3 extrusion elastic component and move down.
An extension plate 4 is fixed at the lower end of the moving plate 3, a first contact 5 is installed on the upper side of the extension plate 4, a second contact 6 in contact with the first contact 5 is installed at a position, above the first contact 5, of the support rod 1, a controller 8, a communication module 9 and a battery pack 11 are further arranged on the side face of the support rod 1, the battery pack 11 is a rechargeable battery and comprises a lithium battery or a lead storage battery, and the battery pack 11 needs to be detached when the device is not used.
The movable plate 3 moves downwards to drive the first contact 5 to move downwards, the first contact 5 and the second contact 6 are separated, an electronic device in the device is in an open circuit state, along with the use of the infusion device, the weight of the infusion device is reduced, the elastic piece pushes the movable plate 3 to gradually move upwards to reset, after the first contact 5 and the second contact 6 are contacted, the battery pack 11 supplies power to the electronic device in the device through the first contact 5 and the second contact 6, and the controller 8 transmits information to an information receiving module at the position of a medical worker through the communication module 9 after being electrified to remind the medical worker to replace medicines or dismantle the infusion device.
The input end of the first contact 5 is electrically connected with the output end of the battery pack 11, the input end of the controller 8 is electrically connected with the output end of the second contact 6, and the input end of the communication module 9 is electrically connected with the output end of the controller 8.
The setting element is including fixing the holding ring 33 in mounting panel 31 side lower part, and holding ring 33 is the level setting, and arc 34 is installed to the position that the holding ring 33 is corresponded to on mounting panel 31 side upper portion, and arc 34 is semi-circular structure, and the side of arc 34 is fixed with elastic rope 35, and elastic rope 35 includes but not the restriction is rubber rope or rubber band.
When the infusion device is an infusion bottle, the infusion bottle is placed in the positioning ring 33, the positioning ring 33 supports and positions the infusion bottle, and the arc-shaped plate 34 and the elastic rope 35 are used for supporting and limiting the infusion bottle, so that the stability of the infusion bottle placed in the positioning ring 33 is ensured.
The positioning piece further comprises a hanging rod 36 fixed on the side face of the mounting plate 31, the hanging rod 36 is located right above the arc-shaped plate 34, when the infusion device is an infusion bag, the infusion bag is fixed on the hanging rod 36 through a hanging ring on the upper side of the infusion bag, the infusion bag is located in the arc-shaped plate 34 at the moment, the arc-shaped plate 34 is prevented from influencing the installation of the infusion bag, and the positioning piece is convenient for fixing the infusion device.
The movable plate 3 is arranged in a sliding hole in the side face of the fixed plate 2 in a sliding mode, the elastic piece is a spring 32 sleeved on the outer side of the movable plate 3, the spring 32 is located between the mounting plate 31 and the fixed plate 2, the spring 32 is extruded when the mounting plate 31 drives the movable plate 3, the weight of the infusion device is reduced, and the spring 32 pushes the movable plate 3 to gradually move upwards and reset.
A positioning plate 12 located under the positioning element is fixed on the side face of the fixed plate 2, a first inclined plane is arranged on the lower side of the positioning plate 12, a first clamping groove is formed in the position, close to the first inclined plane, of the positioning plate 12, a squeezing plate 13 is arranged at the position, located under the fixed plate 2, of the movable plate 3 and corresponds to the positioning plate 12, a second inclined plane parallel to the first inclined plane is arranged on the upper side of the squeezing plate 13, a second clamping groove is formed in the position, close to the second inclined plane, of the squeezing plate 13 in a clamping mode, and when the movable plate 3 is normally placed, the distance between the first inclined plane and the second inclined plane is 0.1cm-0.3 cm.
The infusion tube of the infusion device is placed in a first groove of the positioning plate 12 and a second groove of the extrusion plate 13, the infusion tube is located between the positioning plate 12 and the extrusion plate 13, the first groove and the second groove are convenient for installation and positioning of the infusion tube, the extrusion plate 13 is driven to move in the upward moving and resetting process of the moving plate 3, the infusion tube is extruded by the extrusion plate 13 and the positioning plate 12, the flow of the infusion tube is reduced, and sufficient time is reserved for medical workers to replace liquid medicine or dismantle the infusion device.
The lower side of the mounting plate 31 is provided with a detector 7, the input end of the detector 7 is electrically connected with the output end of the second contact 6, the output end of the detector 7 is electrically connected with the input end of the controller 8, information detected by the detector 7 is transmitted into the information receiving module through the controller 8 by the communication module 9, medical staff can observe the content of the residual liquid medicine conveniently, the detector 7 is in a broken circuit state in the infusion process, the detector is electrified to achieve a passage when the infusion is about to be completed, and the energy loss of the battery pack 11 is reduced.
The side of the support rod 1 is also provided with an indicator light 10, the input end of the indicator light 10 is electrically connected with the output end of the second contact 6, the indicator light 10 is convenient for medical staff to find the position of the liquid medicine to be replaced, and the indicator light 10 is used for reminding patients or nursing staff that the liquid medicine needs to be replaced.
The detector 7, the controller 8, the communication module 9, the indicator light 10 and the battery pack 11 used in the present invention are all common electronic components in the prior art, and the working mode and the circuit structure thereof are all known technologies, and are not described herein again.
The detector 7 used in the utility model is a camera, for example, the model number of EP-1080P4 produced by Shenzhen wingnet communication Limited;
the controller 8 used in the present invention is a model DRT2-AD04 manufactured by the south of the lake automation equipment ltd;
the communication module 9 used in the present invention is a model SX1278 manufactured by shandong rhododendron intelligent technologies limited.
When in use:
when the device is used, an information receiving module and an information panel are also required to be installed at the position where medical staff are located, the information receiving module is used for receiving information transmitted by the communication module 9, then the information receiving module feeds the received information back to the information panel so as to be convenient for the medical staff to observe, the type of the information receiving module can be the same as that of the communication module 9, and the information panel can be a computer;
when the infusion device is an infusion bottle, the infusion bottle is placed in the positioning ring 33, the positioning ring 33 supports and positions the infusion bottle, the arc-shaped plate 34 and the elastic rope 35 are used for supporting and limiting the infusion bottle, the stability of the infusion bottle placed in the positioning ring 33 is guaranteed, when the infusion device is an infusion bag, the infusion bag is fixed on the hanging rod 36 through the hanging ring on the upper side of the infusion bag, and the positioning piece is convenient for fixing the infusion device;
after the infusion device is installed, the movable plate 3 is driven by gravity through the installation plate 31 to extrude the spring 32 and move downwards, at the moment, the first contact 5 and the second contact 6 are separated, an electronic device in the device is in an open circuit state, the weight of the infusion device is reduced along with the use of the infusion device, the spring 32 pushes the movable plate 3 to gradually move upwards to reset, and after the first contact 5 and the second contact 6 are contacted, the battery pack 11 supplies power to the electronic device in the device through the first contact 5 and the second contact 6;
the spring 32 has a certain supporting force, the spring 32 deforms when the force applied to the spring 32 is larger than the supporting force of the spring, in the calling device, the supporting force of the spring 32 is close to the gravity of an empty infusion device, namely, the infusion device is balanced with the spring 32 when the infusion device does not contain liquid or contains a small amount of liquid, and the spring 32 is pressed down when the infusion device contains more liquid;
after the controller 8 is electrified, the information is transmitted into an information receiving module at the position of the medical staff through the communication module 9, and the medical staff is reminded to replace the medicine or remove the infusion device;
the information detected by the detector 7 is transmitted into the information receiving module by the communication module 9 through the controller 8, so that medical staff can observe the content of the residual liquid medicine conveniently, the detector 7 is in an open circuit state in the infusion process, the power is supplied when the infusion is about to be completed, the energy consumption of the battery pack 11 is reduced, and the medical staff can specifically observe the residual liquid medicine in the infusion device according to the detector 7;
the indicator light 10 is convenient for medical staff to find the position of the liquid medicine to be replaced, and the indicator light 10 is used for reminding patients or nursing staff of the need of replacing the liquid medicine;
in addition, an infusion tube of the infusion device can be placed in a first groove of the positioning plate 12 and a second groove of the extrusion plate 13, the infusion tube is located between the positioning plate 12 and the extrusion plate 13, the first groove and the second groove are convenient for installation and positioning of the infusion tube, the extrusion plate 13 is driven to move in the upward moving and resetting process of the moving plate 3, the infusion tube is extruded by the extrusion plate 13 and the positioning plate 12, the flow of the infusion tube is reduced, and sufficient time is reserved for medical staff to replace liquid medicine or dismantle the infusion device.
When the infusion device is used, infusion information can be transmitted to an information department through the communication module 9, and the information department can record the infusion information conveniently.
This medical treatment is with infusion calling device based on computer control can detect infusion set automatically, can effectively inform medical staff to change the medicine or demolish infusion set before the infusion is accomplished, does not need patient or nurse to observe infusion set for a long time, reduces the loss of patient or nurse's mental power, is convenient for have a rest among the patient treatment process of being convenient for simultaneously, facilitates the use, and this equipment still is provided with warning piece and extruded piece in addition for supplementary medical personnel change the medicine.
The parts which are not disclosed in the utility model are all the prior art, and the specific structure, the materials and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A medical infusion calling device based on computer control comprises a support rod (1), and is characterized in that: the infusion support is characterized in that a fixed plate (2) is mounted on the upper portion of the side face of the support rod (1), a movable plate (3) is movably arranged on the side face of the fixed plate (2) up and down, an elastic piece for supporting the movable plate (3) is arranged on the fixed plate (2), an installation plate (31) is fixed on the side face of the movable plate (3), and a positioning piece for suspending an infusion device is mounted on the side face of the installation plate (31);
an extension plate (4) is fixed at the lower end of the moving plate (3), a first contact (5) is installed on the upper side of the extension plate (4), a second contact (6) which is in contact with the first contact (5) is installed at a position, above the first contact (5), of the support rod (1), and a controller (8), a communication module (9) and a battery pack (11) are further arranged on the side face of the support rod (1);
the input end of the first contact (5) is electrically connected with the output end of the battery pack (11), the input end of the controller (8) is electrically connected with the output end of the second contact (6), and the input end of the communication module (9) is electrically connected with the output end of the controller (8).
2. The computer-controlled medical infusion call device of claim 1, wherein: the setting element is including fixing holding ring (33) in mounting panel (31) side lower part, arc (34) are installed to the position that mounting panel (31) side upper portion corresponds holding ring (33), and the side of arc (34) is fixed with elastic rope (35).
3. The computer-controlled medical infusion call device of claim 1, wherein: the positioning piece further comprises a hanging rod (36) fixed on the side face of the mounting plate (31), and the hanging rod (36) is located right above the arc-shaped plate (34).
4. The computer-controlled medical infusion call device of claim 1, wherein: the movable plate (3) is arranged in a sliding hole in the side face of the fixed plate (2) in a sliding mode, the elastic piece is a spring (32) sleeved on the outer side of the movable plate (3), and the spring (32) is located between the mounting plate (31) and the fixed plate (2).
5. The computer-controlled medical infusion call device of claim 1, wherein: fixed plate (2) side is fixed with locating plate (12) that is located under the setting element, locating plate (12) downside is provided with first inclined plane, and locating plate (12) are close to the position on first inclined plane and have seted up first draw-in groove, the position that movable plate (3) are located fixed plate (2) below just corresponds locating plate (12) and is provided with stripper plate (13), the upside of stripper plate (13) is provided with the second inclined plane parallel with first inclined plane, and stripper plate (13) are close to the position card on second inclined plane and are equipped with the second draw-in groove.
6. The computer-controlled medical infusion call device of claim 1, wherein: mounting panel (31) downside is equipped with detector (7), the input of detector (7) is connected with the output electricity of second contact (6), the output of detector (7) is connected with the input electricity of controller (8).
7. The computer-controlled medical infusion call device of claim 1, wherein: an indicator light (10) is further mounted on the side face of the supporting rod (1), and the input end of the indicator light (10) is electrically connected with the output end of the second contact (6).
CN202122136095.8U 2021-09-06 2021-09-06 Medical infusion calling device based on computer control Active CN215608362U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122136095.8U CN215608362U (en) 2021-09-06 2021-09-06 Medical infusion calling device based on computer control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122136095.8U CN215608362U (en) 2021-09-06 2021-09-06 Medical infusion calling device based on computer control

Publications (1)

Publication Number Publication Date
CN215608362U true CN215608362U (en) 2022-01-25

Family

ID=79910441

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122136095.8U Active CN215608362U (en) 2021-09-06 2021-09-06 Medical infusion calling device based on computer control

Country Status (1)

Country Link
CN (1) CN215608362U (en)

Similar Documents

Publication Publication Date Title
CN203829404U (en) Multifunctional nursing infusion support
CN101829378B (en) Intelligent integrated field operation transfusion device and method
CN206896570U (en) A kind of hospital's Intelligent infusion management system based on technology of Internet of things
CN201211367Y (en) Transfusion stand capable of automatically prompting and alarming
CN215608362U (en) Medical infusion calling device based on computer control
CN202569046U (en) Intelligent infusion process monitor
CN103656805A (en) Automatic alarm device for infusion
CN203139260U (en) Infusion alarm device
CN203694256U (en) Pressure alarm device for infusion
CN103127582A (en) Transfusion alarming device
CN207236986U (en) One kind medication health controller
CN210542225U (en) Multipurpose outpatient service nursing frame of changing dressings
CN210963318U (en) Portable intelligent transfusion device
CN200957228Y (en) Infusion alarm device
CN201453754U (en) Hospital water hanging automatic awakening device
CN2448377Y (en) Transfusion automatic alarm device
CN201743999U (en) Intelligent integrated filed transfusion device
CN202961364U (en) Medical intravenous drip wireless monitoring system
CN206597125U (en) A kind of nursing in operating room nursing station
CN203694255U (en) Infrared alarm device for infusion
CN213076964U (en) Infusion alarm
CN213466329U (en) Intelligent unmanned nursing infusion and alarm integrated frame
CN111714722A (en) Medical care monitoring device
CN214074546U (en) Infusion alarm device based on optical refractive index
CN202802323U (en) Automatic alarm device for transfusion

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant