CN103142240A - Tissue extrusion force measuring system and method - Google Patents
Tissue extrusion force measuring system and method Download PDFInfo
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- CN103142240A CN103142240A CN2013100326618A CN201310032661A CN103142240A CN 103142240 A CN103142240 A CN 103142240A CN 2013100326618 A CN2013100326618 A CN 2013100326618A CN 201310032661 A CN201310032661 A CN 201310032661A CN 103142240 A CN103142240 A CN 103142240A
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- extruding
- force measuring
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Abstract
The invention provides a tissue extrusion force measuring system and method. The tissue extrusion force measuring system comprises a power supply device, an upper computer, a framework, a lower computer, a motor, a motor driving device, a lead screw, a slider guide rail mechanism, a tissue extrusion sheet and a pull pressure sensor, wherein the upper computer has a man-machine interaction function and is used for acquiring pressure data from the lower computer and sending a command to the lower computer; the lower computer is used for receiving the command from the upper computer, sending a control command to the motor driving device, acquiring and processing signals of the pull pressure sensor, and transmitting pressure data to the upper computer; the motor driving device is used for receiving the control command of the lower computer and controlling the motor; power is provided by the motor to the motion of the lead screw; the lead screw is fixedly connected with a slider of the slider guide rail mechanism and is used for driving the slider to move along a guide rail; the tissue extrusion sheet comprises a first tissue extrusion sheet and a second tissue extrusion sheet; one end of the pull pressure sensor is arranged on the first tissue extrusion sheet; and the other end of the pull pressure sensor is arranged on the second tissue extrusion sheet.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of extruding force measuring system and method organized.
Background technology
When hospital carries out operation, often can use a kind of instrument that is called bookbinding device tissue is coincide, sews up or cutting and stitching.The work of bookbinding device generally was divided into for two steps: the first step is extrusion tissue at first, and tissue is expressed to suitable thickness; Second step percussion suturing nail is with tissue apposition/coincide.But current bookbinding device is generally that fixing closed distance is at 1.5 millimeters or 2 millimeters, see the doctor in the time of concrete use the oneself sensation, and this sensation is different In the view of different doctors, and closed gap has determined the working effect of bookbinding device, closed excesssive gap can cause that closure is tight, tissue fluid spills or sew up/coincide unsuccessfully, and the too small meeting in closed gap makes tissue push excessive even necrosis.So need to design a standard figures for different human bodies, guarantee that bookbinding device good operation effect, post-operative recovery are fast.
Summary of the invention
The present invention aim to provide a kind of simulate the surgery binding instrument closing tissue organize extruding force measuring system and method.
According to an aspect of the present invention, a kind of extruding force measuring system of organizing, comprise electric supply installation, host computer, framework, slave computer, motor, motor driver, leading screw, slide block guide rail mechanism, organize extruding plate, tension-compression sensor, wherein: framework provides the mounting bracket of other device; Electric supply installation provides power supply for system; Host computer has human-computer interaction function, gathers pressure data and sends instruction to slave computer from slave computer; Slave computer from host computer receive instruction, to motor driver sending controling instruction, collection and process the signal of tension-compression sensor and transmit pressure data to host computer; Motor driver receives the control instruction of slave computer and motor is controlled; Motor provides power to the motion of leading screw; Leading screw is fixedly connected with and drives slide block along guide rail movement with the slide block of slide block guide rail mechanism; Organize extruding plate to comprise that first organizes extruding plate, second to organize extruding plate, first organizes extruding plate to fix, and second organizes extruding plate to be fixedly connected with the slide block of slide block guide rail mechanism and can be with slide block movement; One end of tension-compression sensor is arranged on first and organizes on extruding plate, and the other end is arranged on second and organizes on extruding plate, is used for measuring the elastic force of organizing of organizing the extruding plate transmission.
Preferably, described slave computer is single-chip microcomputer.
Preferably, described motor is motor.
Preferably, described leading screw is ball-screw.
According to another aspect of the present invention, a kind of extruding force measuring method of organizing, the above-mentioned extruding force measuring system of organizing, described measuring method comprises: host computer sends the step of the close command in a certain closed gap to slave computer; Slave computer receives close command and close command is sent motor driver and then drive leading screw and the slide block and second of slide block guide rail mechanism is organized extruding plate so that organize extruding plate according to the step of described closed gap-closing; Tension-compression sensor is processed pressure signal transmission to slave computer, slave computer with pressure signal after, pressure data is sent the step of host computer.
Preferably, the transmission of the instruction between host computer and slave computer, data is undertaken by wireless serial.
Preferably, host computer can be exported from the pressure data that slave computer receives.
Preferably, described closed gap is by artificial input.
The present invention can simulate the closing course of different surgery binding instruments, measures the extruding force of organizing in different closed gaps, to set the standard closure gap of different surgery binding instruments.Host computer of the present invention can carry out man-machine interactive operation, makes measuring process simple, convenient; Measuring mechanism adopts slave computer, motor driver, motor, leading screw, slide block guide rail mechanism, organizes extruding plate and tension-compression sensor etc., can simulate the closed procedure of electric surgery binding instrument, measurement result accurately, reliable.
Description of drawings
Above-mentioned is only the general introduction of technical solution of the present invention, and for can clearer understanding the present invention, the present invention is described in further detail below in conjunction with accompanying drawing and the specific embodiment.
Fig. 1 is the frame for movement schematic diagram of organizing the extruding force measuring system of one embodiment of the invention.
Fig. 2 is the schematic bottom view of the frame for movement of organizing the extruding force measuring system of one embodiment of the invention.
Fig. 3 is the critical piece schematic diagram of the frame for movement of organizing the extruding force measuring system of one embodiment of the invention.
Fig. 4 is the functional block diagram of organizing the extruding force measuring system of one embodiment of the invention.
The specific embodiment
The extruding force measuring system of organizing of the present invention says the measuring device that can measure the different tissue extruding force of extruding thickness accurately.Each position that needs surgery bookbinding apparatus bookbinding is measured in advance and checked, then record pressure parameter in the processor of surgery binding instrument, surgery binding instrument just can be calculated closed gap according to the piezometer of measuring in advance when carrying out closure so, guarantees the science of operation process.
The extruding force measuring system of organizing of one embodiment of the invention comprises machinery and control section, and mechanical part is accepted the instruction of control section and completed corresponding task.
Fig. 1 is the frame for movement schematic diagram of organizing the extruding force measuring system of one embodiment of the invention.Fig. 2 is the schematic bottom view of the frame for movement of organizing the extruding force measuring system of one embodiment of the invention.Fig. 3 is the critical piece schematic diagram of the frame for movement of organizing the extruding force measuring system of one embodiment of the invention.
As shown in Figure 1, 2, 3, organize extruding force measuring system frame for movement that a framework 1 is arranged, framework 1 is used for placing with fixedly motor 2, ball-screw 3, slide block guide rail 4, S type tension-compression sensor 5, organizes the devices such as extruding plate 6, single-chip microcomputer 7, stepper motor driver 8, supply module 9.
Ball-screw 3 is arranged on framework 1, and leading screw is connected by the output shaft of shaft coupling with motor 2, and ball nut is installed and is connected on the slide block of slide block guide rail 4, can advance or retreat according to the rotation of leading screw.
Organize extruding plate 6 to be divided into two parts: first organizes extruding plate to be fixed on framework 1, and second organizes the slide block of extruding plate and slide block guide rail 4 to fix.Organize extruding plate 6 directly to contact with the tissue of wanting gaging pressure, the tissue of test is placed on organizes first of extruding plate 6 to organize extruding plate and the second centre of organizing extruding plate.The described closing section of organizing extruding plate 6 to be used for simulating surgery binding instrument, can the quick-replaceable different-thickness and width organize extruding plate 6 or pressurizing unit, thereby simulate different surgery binding instrument ends, such as stapler end, band cutter stiching instrument end etc. under Linear stapler end, circular anastomosis device end, chamber mirror.
S type tension-compression sensor 5 front ends are arranged on second and organize on extruding plate, and are connected; End organizes extruding plate to be connected with first, thereby can measure the tissue elasticity power of organizing extruding plate 6 to transmit, and pressure is sent to S type tension-compression sensor 5 bodies
Fig. 4 is the functional block diagram of organizing the extruding force measuring system of one embodiment of the invention.
As shown in Figure 4, labVIEW host computer interface is the master control program of system, the wireless serial of passing through that can be real-time sends the pressure acquisition instruction to slave computer, slave computer is accepted after instruction through identification, the AD sampling module that use carries carries out the numerical value sampling to S type tension-compression sensor 5, obtains the numerical value of pressure transducer; Also can accept the instruction of computor-keyboard, send to slave computer through wireless serial, slave computer is accepted after instruction through calculating the step-length that advance or retreat, pulse command to be sent to stepper motor driver 8.
Slave computer adopts single-chip microcomputer to move carrier as program, and slave computer can be accepted instruction and the identification of labVIEW host computer and calculate, and corresponding pulse is provided for stepper motor driver 8.Slave computer stores the step motor control program, speed and the step-length that can advance according to the different instruction control step motor 2 of host computer.
Organize the measuring process of extruding force measuring system as follows:
on PC, the employing host computer pressure acquisition display interface program that labVIEW software is write is voluntarily adopted in operation, upper computer software can send the pressure query statement to wireless serial with the speed of 50 millisecond periods, wireless serial with data retransmission to processor of single chip computer, processor of single chip computer carries out voltage sample according to the AD sampling module that carries to S type tension-compression sensor 5, send the data to wireless serial through after converting, wireless serial mails to upper computer software with data, upper computer software after receiving data shows the mode of data with waveform, so just gathered out the force value of certain specific closed distance, the closed gap of keyboard input can be accepted in the host computer interface, therefore the tester can input different closed gap orders voluntarily, the slave computer single-chip microcomputer receives after the order of closed gap through calculating stepper motor driver 8 transmitteds to measuring system, different number of pulses has determined the step number of advancing of motor 2, therefore motor 2 drives the leading screw rotation, slide block on leading screw moves forward or backward, thereby change the gap of closed end, tissue thickness changes, the force variation that tissue produces acts on the S tension-compression sensor, thereby so can collect the pressure curve that different organizational stress value testers can be under the different closed distances of observation real-time on computer desktop under different closed gaps, and can finish curve is exported with graphic form in experiment.The experimenter repeatedly tests and record by the tissue to different parts, just can obtain according to the appropriate value of human body different parts clossing pressure suitable closed gap.
The extruding force of organizing extruding force measuring system and method also can be used for animal tissue of the present invention is measured.
The above; it is only preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (8)
1. organize the extruding force measuring system for one kind, it is characterized in that, comprise electric supply installation, host computer, framework, slave computer, motor, motor driver, leading screw, slide block guide rail mechanism, organize extruding plate, tension-compression sensor, wherein:
Framework provides the mounting bracket of other device;
Electric supply installation provides power supply for system;
Host computer has human-computer interaction function, gathers pressure data and sends instruction to slave computer from slave computer;
Slave computer from host computer receive instruction, to motor driver sending controling instruction, collection and process the signal of tension-compression sensor and transmit pressure data to host computer;
Motor driver receives the control instruction of slave computer and motor is controlled;
Motor provides power to the motion of leading screw;
Leading screw is fixedly connected with and drives slide block along guide rail movement with the slide block of slide block guide rail mechanism;
Organize extruding plate to comprise that first organizes extruding plate, second to organize extruding plate, first organizes extruding plate to fix, and second organizes extruding plate to be fixedly connected with the slide block of slide block guide rail mechanism and can be with slide block movement;
One end of tension-compression sensor is arranged on first and organizes on extruding plate, and the other end is arranged on second and organizes on extruding plate, is used for measuring the elastic force of organizing of organizing the extruding plate transmission.
2. the extruding force measuring system of organizing as claimed in claim 1, is characterized in that, described slave computer is single-chip microcomputer.
3. the extruding force measuring system of organizing as claimed in claim 1, is characterized in that, described motor is motor.
4. the extruding force measuring system of organizing as claimed in claim 1, is characterized in that, described leading screw is ball-screw.
5. organize the extruding force measuring method for one kind, adopt the described extruding force measuring system of organizing of claim 1 to 4 any one, described measuring method comprises:
Host computer sends the step of the close command in a certain closed gap to slave computer;
Slave computer receives close command and close command is sent motor driver and then drive leading screw and the slide block and second of slide block guide rail mechanism is organized extruding plate so that organize extruding plate according to the step of described closed gap-closing;
Tension-compression sensor is processed pressure signal transmission to slave computer, slave computer with pressure signal after, pressure data is sent the step of host computer.
6. the extruding force measuring method of organizing as claimed in claim 5, is characterized in that, the instruction between host computer and slave computer, the transmission of data are undertaken by wireless serial.
7. the extruding force measuring method of organizing as claimed in claim 5, is characterized in that, host computer can be exported from the pressure data that slave computer receives.
8. the extruding force measuring method of organizing as claimed in claim 5, is characterized in that, described closed gap is by artificial input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310032661.8A CN103142240B (en) | 2013-01-29 | 2013-01-29 | A kind of Tissue approximation force measuring system and method |
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| CN201310032661.8A CN103142240B (en) | 2013-01-29 | 2013-01-29 | A kind of Tissue approximation force measuring system and method |
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| CN103142240B CN103142240B (en) | 2015-08-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133205A1 (en) * | 2016-02-03 | 2017-08-10 | 苏州英途康医疗科技有限公司 | Electrical stapler |
| CN110487466A (en) * | 2019-09-19 | 2019-11-22 | 上海晨光文具股份有限公司 | A kind of stapler nailing force checking device and its detection method |
| CN114112657A (en) * | 2021-10-28 | 2022-03-01 | 东南大学江北新区创新研究院 | Piezoelectric testing device |
| WO2022082354A1 (en) * | 2020-10-19 | 2022-04-28 | 诺创智能医疗科技(杭州)有限公司 | Surgical instrument force detection device |
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| US20070181631A1 (en) * | 2006-02-07 | 2007-08-09 | Ethicon Endo-Surgery, Inc. | Apparatus for performing trans-anal resection |
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| CN101467907A (en) * | 2007-12-28 | 2009-07-01 | 苏州天臣国际医疗科技有限公司 | Sensing type surgery binding instrument |
| US20100228155A1 (en) * | 2007-09-28 | 2010-09-09 | Jae Lak Yang | Muscular strength test system |
| CN102125436A (en) * | 2011-04-15 | 2011-07-20 | 北京航空航天大学 | Device for measuring skin muscle tension |
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| CN1810208A (en) * | 2005-01-28 | 2006-08-02 | 深圳安科高技术股份有限公司 | System and method for measuring pressure distribution and interval between two bearers |
| US20070181631A1 (en) * | 2006-02-07 | 2007-08-09 | Ethicon Endo-Surgery, Inc. | Apparatus for performing trans-anal resection |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133205A1 (en) * | 2016-02-03 | 2017-08-10 | 苏州英途康医疗科技有限公司 | Electrical stapler |
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| CN110487466A (en) * | 2019-09-19 | 2019-11-22 | 上海晨光文具股份有限公司 | A kind of stapler nailing force checking device and its detection method |
| CN110487466B (en) * | 2019-09-19 | 2020-11-13 | 上海晨光文具股份有限公司 | Stapler nailing force detection device and detection method thereof |
| WO2022082354A1 (en) * | 2020-10-19 | 2022-04-28 | 诺创智能医疗科技(杭州)有限公司 | Surgical instrument force detection device |
| CN114112657A (en) * | 2021-10-28 | 2022-03-01 | 东南大学江北新区创新研究院 | Piezoelectric testing device |
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Address after: 102208 Beijing City, Changping District Beiqijia town Zhenggezhuang village Hongfu building room 61704 Patentee after: Beijing Panther Medical Equipment Co., Ltd., Address before: Beijing City, Chaoyang District Wangjing two district 100018 emerging industries in the Garden District Litse No. 208 building 3 floor 3305A room 3 Patentee before: Beijing Panther Medical Equipment Co., Ltd., |