CN102805626A - Wheel-arc reading type precise measurement instrument for cardiac surgery - Google Patents
Wheel-arc reading type precise measurement instrument for cardiac surgery Download PDFInfo
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- CN102805626A CN102805626A CN2012102645990A CN201210264599A CN102805626A CN 102805626 A CN102805626 A CN 102805626A CN 2012102645990 A CN2012102645990 A CN 2012102645990A CN 201210264599 A CN201210264599 A CN 201210264599A CN 102805626 A CN102805626 A CN 102805626A
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Abstract
The invention relates to the technical field of cardiac surgery, in particular to a wheel-arc reading type precise measurement instrument for cardiac surgery. The fender rim reading type precise measurement instrument is composed of an upper left handle, an arc scale, a transmission wheel, a main wheel shaft, a reading wheel, a driven wheel, a driven wheel shaft, a shaft cap, a storing wheel corner, a lower left handle, a hinge pin, a right handle, a shaft frame, a belt, a pointer, an edge tape and a main wheel. The right handle in the shape of a straight strip is combined with the lower left handle through the hinge pin in a crossed way, and the right handle and the lower left handle can rotate around the hinge pin. The lower ends of the lower left handle and the right handle are peak ends. The main wheel shaft and the driven wheel shaft which are vertical to the shaft frame and integrated with the shaft frame are respectively arranged at the two ends of the shaft frame. A combination body of the reading wheel and the driven wheel is sleeved on the driven wheel shaft and is matched with the driven wheel shaft through a clearance. The combination body of the transmission wheel and the main wheel is sleeved on the main wheel shaft and is matched with the main wheel shaft through the clearance.
Description
Technical field
The present invention relates to the cardiac surgery operation technical field, particularly relate to a kind of accurate measuring instrument of arc reading formula cardiac surgery operation of taking turns.
Background technology
In cardiac surgery operation, often to estimate, with the heart change order of severity or the heart development situation of evaluate patient organs such as heart internal structure, trunk overall diameter, vessel diameter.The measurement of lobe ring diameter when valve forming or valve replacement; The selection of incision length, particularly children with congenital heart disease when doing vascular shunt, heart malformations is complicated; Diseases such as atrial septal defect, ventricular septal defect, stenosis of pulmonary artery; Need accurately to measure its size, diameter, with the size and the diameter of used sticking patch in the accurate pruning art, in the hope of obtaining comparatively satisfied clinical therapeutic efficacy.Many in the operation is main with range estimation, can only roughly estimate diameter, the developmental state of damaged size and blood vessel.The way that also has is to come rough measure to estimate damaged diameter with tweezers, decides the size of used sticking patch.These ways are comparatively rough; Be difficult to accurately measure the damaged size and the diameter developmental state of blood vessel; Particularly for complicated congenital heart disease infants such as tetralogy of Fallot, when carrying out the widening of blood vessel, if can not undergo surgery comparatively accurately; Be easy to cause blood vessel to widen excessive or widen deficiency, it is satisfactory to cause surgical effect to be difficult to.
For addressing the above problem; Application number is that the scale that 200810139894.7 patent application " special-purpose measuring instrument in the cardiac surgery operation " utilizes two movable leg that connect through bearing pin and is positioned at the bearing pin below carries out the measurement of blood vessel size, yet this metering system exists following defective:
Because bearing pin is positioned at the top of this device, and scale is positioned at the position below the bearing pin, and this has just determined two movable leg after separating certain angle, and the distance that its low side is 2 is all the time greater than the readable length that is in the scale between two movable leg.This just requires the gauger must go to measure bigger length distance with the reading of less length of the scale, and this has reduced the precision of measuring undoubtedly.
Therefore scale is more near the lower end of two movable leg, and its readable effective length is long approximately, and the relative accuracy of measurement will be higher, even scale is located immediately at the bottom of two movable leg, also with directly is as good as with 2 distances of ruler measurement.The precision of measuring there is not any raising.And scale near the lower end of two movable leg, is just touched blood vessel and other organs more more easily, also operation has been caused obstruction.
Therefore technique scheme does not play substantial technique effect to the precision raising of cardiovascular dimensional measurement.
Summary of the invention
The present invention provides a kind of accurate measuring instrument of wheel arc reading formula cardiac surgery operation that can increase substantially cardiovascular dimensional measurement precision with broad more valid reading length for solving the deficiency of prior art.
The scheme that solves technical problem of the present invention is:
Wheel arc reading formula cardiac surgery operation accurate measuring instrument is by upper left handle, arc chi, transmit wheel, main axle, reading wheel, driven pulley, follower shaft, axle cap, deposit that wheel is curved, handle, bearing pin, right handle, pedestal, belt, pointer, edge adhesive tape and main wheel constitute down on a left side.
Depositing wheel curved is the curved bar of a C font, and it is as a whole with the upper left handle of vertical bar shaped to deposit the curved upper end of wheel, and it is as a whole to deposit under the left side of lower end that wheel bends and vertical bar shaped handle.Upper left handle and the left central lines of handle down.The right handle of vertical bar type and a left side down handle through the bearing pin cross coupled and all can rotate around bearing pin.The lower end of handle and right handle is the tip under the left side.
The arc chi is to have graduated arc strip, and the upper left handle junction curved with depositing wheel combines as a whole with the left end of arc chi.The pairing center of circle, camber line shape edge of arc chi is positioned on the axial line of bearing pin.
Pedestal be with right handle be holistic vertical bar, have vertical respectively at the two ends of pedestal with pedestal and with pedestal be holistic main axle and follower shaft.
The bottom surface of reading wheel is with driven pulley is bonded as one and the two concentric, transmits the bottom surface of taking turns and main wheel is bonded as one and the two concentric.The reading wheel is placed on the said follower shaft and with follower shaft with the coalition of driven pulley and becomes clearance fit relationship.The transmission wheel is placed on the said main axle and with main axle with the coalition of main wheel and becomes clearance fit relationship.
Be with an axle cap that becomes the interference fit relation with it respectively in the end of main axle and follower shaft.
All be bonded with the edge adhesive tape that one deck material is a rubber in the side of said transmission wheel, main wheel and driven pulley, the belt that a trap is closed is placed on the side of main wheel and driven pulley simultaneously.On the edge that transmits wheel, also be bonded with one deck edge adhesive tape at said arc chi, with the bonding edge adhesive tape of arc chi and with transmit the bonding edge adhesive tape of wheel and fit each other.
The product of the edge adhesive tape overall diameter of main wheel and reading wheel overall diameter is 10-20 times of the product of the edge adhesive tape overall diameter of the edge adhesive tape overall diameter that transmits wheel and driven pulley.
Pointer is the member of " L " shape, and it is made up of with the vertical bar portion that is provided with horizontally disposed needle point.Said needle point is positioned at the surperficial above of reading wheel and points to the axle center of reading wheel; The lower end and the right handle of said bar portion are combined as a whole; The upper end of bar portion from transmit slit between wheel and the reading wheel and stretch out and with the connecting as one of needle point, the edge of taking turns at arc chi and reading all is printed on scale and numeral.
When measuring the cardiovascular size, two handss are held the upper end of upper left handle and right handle respectively, and deciliter upper left handle and right handle make a left side descend the tip of handle and right handle lower end to be positioned at the two-end-point of detected part.At this moment, the value of size to be measured can be calculated, accurate more size value to be measured can be calculated according to the scale value at the reading wheel edge of pointer indication according to the scale value of the residing arc chi of the left hand edge of right handle.
Under a deciliter left side in the process of handle and right handle; The edge adhesive tape of arc chi and the frictional force of transmitting between the edge adhesive tape of taking turns drive the rotation of transmission wheel; Main wheel drives driven pulley also with the linear velocity rotation identical with main wheel with transmitting wheel with the unequal angular velocity rotation and through belt, and the reading wheel is to rotate with the driven pulley unequal angular velocity under the drive of driven pulley.
Therefore be a if transmit the diameter of wheel; The diameter of main wheel is b, and the diameter of driven pulley is c, and the diameter of reading wheel is d; The linear velocity of reading wheel is bd/ (ac) times of the movement velocity of right handle on the scale of arc chi; Therefore, in the process that handle and right handle separate under a left side, the arc length of passing through pointer during the rotation of reading wheel is bd/ (ac) times of arc chi length between upper left handle and the right handle.So just amplify, can read accurate more reading through the angle index of reading wheel with the arc chi.Read a left side down between handle and the right handle behind the accurate angle value of angle, the axial line that combines bearing pin is the distance of handle and right handle bottom down to a left side, according to trigonometric function just can draw left under accurate distance between handle and the right handle bottom.
Adopt such scheme, can reach following effect:
1. because the principle that the present invention utilizes the diagonal angle to equate; The reading parts are arranged at the top of bearing pin, and when having avoided operation so on the one hand, the bottom of left and right sides handle is stopped, influences the integrity in the visual field by the arc chi; Avoided on the other hand the arc chi in operating process with the touching of operative incision; The flexibility ratio of two handles about having increased compared with prior art, is used convenient.
2. because the present invention is arranged at the reading parts top of bearing pin; And the top of bearing pin does not receive spatial restriction; Therefore the distance of arc chi and bearing pin can greater than about the distance of two handle bottoms and bearing pin; This length that just makes the arc chi compared with prior art can strengthen significantly, so just makes the reading of arc chi more accurate.
3. because the present invention is arranged at the top of bearing pin with the reading parts, this setting for the reading wheel provides space more than needed, and the setting that reading is taken turns, and the reading of arc chi is amplified the further like this precision that increases reading further.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1. upper left handle 2. arc chis 3. transmission wheels 4. main axles 5. readings are taken turns 6. driven pulleys, 7. follower shafts, 8. axle caps 9. and are deposited handle 11. bearing pins 12. right handle 13. pedestals 14. belts 15. pointers 16. edge adhesive tapes 17. main wheels under curved 10. left sides of wheel
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
Wheel arc reading formula cardiac surgery operation accurate measuring instrument is by upper left handle 1, arc chi 2, transmit wheel 3, main axle 4, reading wheel 5, driven pulley 6, follower shaft 7, axle cap 8, deposit that wheel is curved 9, handle 10, bearing pin 11, right handle 12, pedestal 13, belt 14, pointer 15, edge adhesive tape 16 and main wheel 17 constitute down on a left side.
Depositing wheel curved 9 is curved bars of a C font, and the upper end of depositing wheel curved 9 is as a whole with the upper left handle 1 of vertical bar shaped, and depositing wheel, to bend under the left side of 9 lower end and vertical bar shaped handle 10 as a whole.Upper left handle 1 and the left central lines of handle 10 down.The right handle 12 of vertical bar type and a left side down handle 10 through bearing pin 11 cross coupled and all can be around bearing pin 11 rotations.The lower end of handle 10 and right handle 12 is the tip under the left side.
Arc chi 2 is to have graduated arc strip, and upper left handle 1 combines as a whole with the junction of depositing wheel curved 9 with the left end of arc chi 2.The pairing center of circle, camber line shape edge of arc chi 2 is positioned on the axial line of bearing pin 11.
Reading takes turns 5 bottom surface and driven pulley 6 is bonded as one and the two concentric, and 3 bottom surface is taken turns in transmission and main wheel 17 is bonded as one and the two concentric.Reading wheel 5 and the coalition of driven pulley 6 be placed on the said follower shaft 7 and with 7 one-tenth clearance fit relationship of follower shaft.Transmit that wheel 3 and the coalition of main wheel 17 are placed on the said main axle 4 and with 4 one-tenth clearance fit relationship of main axle.
Be with an axle cap 8 that becomes the interference fit relation with it respectively in the end of main axle 4 and follower shaft 7.
All being bonded with one deck material in the side of said transmission wheel 3, main wheel 17 and driven pulley 6 and being the belt 14 that edge adhesive tape 16, one traps of rubber close is placed on the side of main wheel 17 and driven pulley 6 simultaneously.On the edge that transmits wheel 3, also be bonded with one deck edge adhesive tape 16 at said arc chi 2, with the bonding edge adhesive tape 16 of arc chi 2 and with transmit wheel 3 bonding edge adhesive tapes 16 and fit each other.
The product of the edge adhesive tape overall diameter of main wheel 17 and reading wheel overall diameter is 10-20 times of the product of the edge adhesive tape overall diameter of the edge adhesive tape overall diameter that transmits wheel 3 and driven pulley 6.
When measuring the cardiovascular size, two handss are held the upper end of upper left handle 1 and right handle 12 respectively, and deciliter upper left handle 1 and right handle 12 make a left side be positioned at the two-end-point of detected part in the tip of handle 10 and right handle 12 lower ends down.At this moment, can calculate the value of size to be measured, take turns the scale value at 5 edges according to the reading of pointer 15 indications and can calculate accurate more size value to be measured according to the scale value of the residing arc chi 2 of the left hand edge of right handle 12.
Under a deciliter left side in the process of handle 10 and right handle 12; Frictional force between the edge adhesive tape 16 of the edge adhesive tape 16 of arc chi 2 and transmission wheel 3 drives transmission wheel 3 and rotates; Main wheel 17 drives driven pulleys 6 also to rotate with main wheel 17 identical linear velocities with transmission wheel 3 with the unequal angular velocity rotation and through belt 14, and reading wheel 5 is to rotate with driven pulley 6 unequal angular velocity under the drive of driven pulley 6.
Therefore be a if transmit the diameter of wheel 3; The diameter of main wheel 17 is b, and the diameter of driven pulley 6 is c, and the diameter of reading wheel 5 is d; The linear velocity of reading wheel 5 is bd/ (ac) times of the movement velocity of right handle 12 on the scale of arc chi 2; Therefore, in the process that handle 10 and right handle were opened in 12 minutes under a left side, when reading wheel 5 rotates through the arc length of pointer 15 be arc chi 2 length between upper left handle 1 and the right handle 12 bd/ (ac) doubly.So just amplify, can read accurate more reading through reading wheel 5 angle indexs with arc chi 2.Read a left side down between handle 10 and the right handle 12 behind the accurate angle value of angle, the axial line that combines bearing pin 11 is the distance of handle 10 and right handle 12 bottoms down to a left side, according to trigonometric function just can draw left under accurate distance between handle 10 and right handle 12 bottoms.
Claims (1)
1. take turns the accurate measuring instrument of arc reading formula cardiac surgery operation for one kind; By upper left handle, arc chi, transmit wheel, main axle, reading wheel, driven pulley, follower shaft, axle cap, deposit that wheel is curved, handle, bearing pin, right handle, pedestal, belt, pointer, edge adhesive tape and main wheel constitute down on a left side; It is characterized in that: depositing wheel curved is the curved bar of a C font; It is as a whole with the upper left handle of vertical bar shaped to deposit the curved upper end of wheel, and it is as a whole to deposit under the left side of the curved lower end of wheel and vertical bar shaped handle, upper left handle with left under the central lines of handle; The right handle of vertical bar type and a left side down handle through the bearing pin cross coupled and all can rotate around bearing pin; The lower end of handle and right handle is the tip under the left side, and the arc chi is to have graduated arc strip, and the upper left handle junction curved with depositing wheel combines as a whole with the left end of arc chi; The pairing center of circle, camber line shape edge of arc chi is positioned on the axial line of bearing pin; Pedestal be with right handle be holistic vertical bar, have vertical respectively at the two ends of pedestal with pedestal and with pedestal be holistic main axle and follower shaft, the bottom surface of reading wheel and driven pulley is bonded as one and the two concentric; Transmit the bottom surface of wheel and main wheel is bonded as one and the two concentric; The reading wheel is placed on the said follower shaft and with follower shaft with the coalition of driven pulley and becomes clearance fit relationship, and the transmission wheel is placed on the said main axle and with main axle with the coalition of main wheel and becomes clearance fit relationship, is with an axle cap that becomes the interference fit relation with it respectively in the end of main axle and follower shaft; All be bonded with the edge adhesive tape that one deck material is a rubber in the side of said transmission wheel, main wheel and driven pulley; The belt that one trap is closed is placed on the side of main wheel and driven pulley simultaneously, on the edge that transmits wheel, also is bonded with one deck edge adhesive tape at said arc chi, with the bonding edge adhesive tape of arc chi and with transmit the bonding edge adhesive tape of wheel and fit each other; The product of the edge adhesive tape overall diameter of main wheel and reading wheel overall diameter; Be 10-20 times of the product of the edge adhesive tape overall diameter of the edge adhesive tape overall diameter that transmits wheel and driven pulley, pointer be the member of " L " shape, and it is made up of the bar portion of horizontally disposed needle point with vertically setting; Said needle point is positioned at the surperficial above of reading wheel and points to the axle center of reading wheel; The lower end and the right handle of said bar portion are combined as a whole, the upper end of bar portion from transmit slit between wheel and the reading wheel and stretch out and with the connecting as one of needle point, the edge of taking turns at arc chi and reading all is printed on scale and numeral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264599.0A CN102805626B (en) | 2012-07-29 | 2012-07-29 | Wheel-arc reading type precise measurement instrument for cardiac surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264599.0A CN102805626B (en) | 2012-07-29 | 2012-07-29 | Wheel-arc reading type precise measurement instrument for cardiac surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102805626A true CN102805626A (en) | 2012-12-05 |
| CN102805626B CN102805626B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210264599.0A Expired - Fee Related CN102805626B (en) | 2012-07-29 | 2012-07-29 | Wheel-arc reading type precise measurement instrument for cardiac surgery |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6419573A (en) * | 1987-07-13 | 1989-01-23 | Sony Corp | Vtr |
| JPH119573A (en) * | 1997-06-26 | 1999-01-19 | Asahi Intec Kk | Wire for measuring diameter of blood vessel |
| WO2000056250A1 (en) * | 1999-03-22 | 2000-09-28 | Patel Kumar R | Artificial venous valve and sizing catheter |
| JP2001141440A (en) * | 1999-11-16 | 2001-05-25 | Nsk Ltd | Spherical size measuring method |
| CN101380234A (en) * | 2008-09-23 | 2009-03-11 | 柴守栋 | Special measuring appliance for heart surgical operation |
| CN101706242A (en) * | 2009-11-05 | 2010-05-12 | 陕西宝成航空仪表有限责任公司 | Duplex measuring scale of internal ring groove |
-
2012
- 2012-07-29 CN CN201210264599.0A patent/CN102805626B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6419573A (en) * | 1987-07-13 | 1989-01-23 | Sony Corp | Vtr |
| JPH119573A (en) * | 1997-06-26 | 1999-01-19 | Asahi Intec Kk | Wire for measuring diameter of blood vessel |
| WO2000056250A1 (en) * | 1999-03-22 | 2000-09-28 | Patel Kumar R | Artificial venous valve and sizing catheter |
| JP2001141440A (en) * | 1999-11-16 | 2001-05-25 | Nsk Ltd | Spherical size measuring method |
| CN101380234A (en) * | 2008-09-23 | 2009-03-11 | 柴守栋 | Special measuring appliance for heart surgical operation |
| CN101706242A (en) * | 2009-11-05 | 2010-05-12 | 陕西宝成航空仪表有限责任公司 | Duplex measuring scale of internal ring groove |
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| Publication number | Publication date |
|---|---|
| CN102805626B (en) | 2014-07-16 |
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Owner name: JIANGSU ZHONGHUI MEDICAL TECHNOLOGIES CO., LTD. Free format text: FORMER OWNER: NINGBO JIANGDONG JUNFENG MEDICAL TECHNOLOGY CONSULTING CO., LTD. Effective date: 20141127 |
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Effective date of registration: 20141127 Address after: 225200, Jiangsu, Jiangdu, Yangzhou province Zhenjiang fairy Road, No. 188 Huai Patentee after: Sinoways Medical Technology Co., Ltd. Address before: Jiangdong District 315000 Zhejiang city of Ningbo Province Yao defile No. 793 Patentee before: NINGBO YINZHOU YUNFAN ENGINEERING CONSULTING CO.,LTD. |
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