CN103932802B - For the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment - Google Patents
For the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment Download PDFInfo
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- CN103932802B CN103932802B CN201410138451.1A CN201410138451A CN103932802B CN 103932802 B CN103932802 B CN 103932802B CN 201410138451 A CN201410138451 A CN 201410138451A CN 103932802 B CN103932802 B CN 103932802B
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- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 12
- 241000287828 Gallus gallus Species 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 15
- 238000013022 venting Methods 0.000 claims description 11
- 210000005239 tubule Anatomy 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The present invention relates to medical assisting and hold thing apparatus design field, in particular to a kind of for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, comprise base, hold mirror unit, described base for being fixed on the worktable on beside sickbed edge or sick bed side by this device, hold mirror unit for helping endoscope or other bantams, hold mirror unit and be fixed on base by connecting arm; Described connecting arm is provided with one or more steering unit, steering unit comprises drum and the bulb of drum bucket mouth place layout, bulb is provided with annular block and ring gasket apart from the both sides at the shaft core line maximum position place of drum with core, bulb realizes the free adjustment of connecting arm for helping for annular block and ring gasket, after being filled with pressed gas, ring gasket is subject to bulb extruding and holds bulb tightly and realize the fixing of connecting arm attitude. This device is easy to operate, and cost is low, is convenient to promote the use of; Without the need to using sensor, not by electromagnetic interference; Location is fast, accurately, conveniently.
Description
Technical field
The present invention relates to medical assisting and hold lens device design field, in particular to a kind of for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment.
Background technology
In recent years, the advantage of splanchnoscopy and operation is very outstanding, and it can go deep into patient's body lumen inside and diagnose, and has intuitive, reliability, minimal invasive, has now become a clinical irreplaceable Clinics. Endoscope, when checking and perform the operation, needs translation-angle or position once in a while, when endoscope is in suitable visual angle time, needs again it can keep stable and does not rock, and therefore, the support for endoscope is extremely necessary.
In prior art, the support for endoscope generally has two kinds of usual ways. First kind of way is by manually helping, and its needs assistant operating doctor is held mirror and performed the operation, and this kind of mode exists some shortcomings being difficult to overcome, as: being difficult to harmonious between assistant and operating doctor, action adjusts prolongation operating time repeatedly; Rotary mirror person's operational comfort is subject to position of opening restriction; The scope of activity of assistant is restricted; After long-time support, hand can be caused to shake, the tolerance range of impact operation.
There is many deficiencies owing to manually helping, present part hospital with good conditionsi all brings into use the 2nd kind of mode, namely Chi Jing robot is adopted to help, there is multiple degree of freedom mechanical manipulator in this robot, precision electric motor is utilized to carry out holding mirror operation, activity space is big, registration, and there is not hand shake phenomenon.But, Chi Jing robot also also exists problem while bringing simplicity. No matter the first, Chi Jing robot is remote control or speech-control, has a set of loaded down with trivial details control method, and operator to be gone by operation repeatedly to use ability skilled operation completely, and this needs considerable time. If changing doctor, then need to spend again the longer time to remove skilled equipment; 2nd, accurate location needs multiple sensor to complete, robot degree of freedom is more high, a lot of sensor will be set like this, concerning some two first and following hospital thereof, Operation theatre may not reach the power supply of high standard, adds some high-power uses such as equipment such as electric knifes, sensor can be caused to be disturbed and produce distortion, affect positioning precision; The tolerance range of the motor that the three, Chi Jing robot adopts and sensor is all very high, and the price thus determining Chi Jing robot is very expensive, so its universal and popularization is very restricted.
Summary of the invention
It is an object of the invention to provide a kind of for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, it is possible to stable, accurately help endoscope, structure is simple simultaneously, easily operation, without electromagnetic interference.
For realizing above object, the technical solution used in the present invention is: a kind of for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, comprise base, hold mirror unit, described base for being fixed on the worktable on beside sickbed edge or sick bed side by this device, hold mirror unit for helping endoscope or other bantams, hold mirror unit and be fixed on base by connecting arm; Described connecting arm is provided with one or more steering unit, steering unit comprises drum and the bulb of drum bucket mouth place layout, bulb is provided with annular block and ring gasket apart from the both sides at the shaft core line maximum position place of drum with core, annular block side at the bottom of bucket is arranged, described ring gasket is made up of nylon material; The face that annular block and ring gasket and bulb fit is that for helping, bulb makes bulb can freely rotate, around the centre of sphere, the free adjustment realizing connecting arm to curved surface, drum encloses with bulb and closes and after being filled with pressed gas in the cavity that becomes, ring gasket is subject to bulb extruding and holds bulb tightly and realize the fixing of connecting arm attitude.
Compared with prior art, there is following technique effect in the present invention: this device is easy to operate, and cost is low, is convenient to promote the use of; Owing to being use air pressure to maintain the attitude of connecting arm, it is not necessary to use sensor, by electromagnetic interference; Location is fast, accurately, conveniently, as long as letting out the air pressure in drum, steering unit just can freely rotate, after mirror unit to correct position is held in adjustment, then leading in drum into high pressure gas, steering unit is just by fixing dead, can not free adjustment, also just achieve the function holding mirror.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention when helping endoscope;
Fig. 2 is the perspective view of the present invention when helping other bantams;
Fig. 3 is the first cylinder and the structural representation of the first bulb;
Fig. 4 is the 2nd cylinder and the structural representation of the 2nd bulb;
Fig. 5 is the partial enlargement schematic diagram of Fig. 4;
Fig. 6 is the perspective view of base;
Fig. 7 is another view stereo structural representation of base.
Embodiment
Below in conjunction with Fig. 1 to Fig. 7, the present invention is described in further detail.
Consult Fig. 1, Fig. 2, a kind of for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, comprise base 10, hold mirror unit 60, described base 10 for being fixed on the worktable on beside sickbed edge or sick bed side by this device, hold mirror unit 60 for helping endoscope or other bantams A, hold mirror unit 60 and be fixed on base 10 by connecting arm;Described connecting arm is provided with one or more steering unit, steering unit comprises drum and the bulb of drum bucket mouth place layout, bulb is provided with annular block 72 and ring gasket 71 apart from the both sides at the shaft core line maximum position place of drum with core, in both sides mentioned here and Fig. 3,4 on two hemisphere in left and right, after arranging annular block 72 and ring gasket 71 in this way, could by spacing for the bulb bucket mouth place at drum. side at the bottom of close barrel of annular block 72 is arranged, described ring gasket 71 is made up of nylon material, the face that annular block 72 and ring gasket 71 and bulb fit is that for helping, bulb makes bulb can freely rotate, around the centre of sphere, the free adjustment realizing connecting arm to curved surface, drum encloses with bulb and closes and after being filled with pressed gas in the cavity that becomes, ring gasket 71 is subject to bulb extruding and holds bulb tightly and realize the fixing of connecting arm attitude. in in drum, air pressure is in normality, annular block 72 and ring gasket 71 are also all in normality, and bulb freely can rotate around the centre of sphere of oneself, after being filled with pressed gas in drum, what the bulb body being emerging in outside drum was subject to is barometric point, what the bulb body being emerging in annular block 72 place was subject to is the pressure of pressed gas, very obvious the latter is greater than the former, like this, bulb will move outside drum, ring gasket 71 is made for nylon material, the distortion that appropriateness can be occurred slight, ring gasket 71 after distortion and the frictional force between bulb increase, just it is difficult to rotate bulb, steering unit just no longer plays the effect turned to, only play the effect being fixedly connected with, the attitude of whole connecting arm is also just fixing, achieve the support of endoscope A or other bantams very easily.
Consult Fig. 3, Fig. 4, for the ease of arranging described annular block 72, ring gasket 71, here, it may be preferred that the bucket mouth place of described drum is provided with lid, lid and drum thread fit; Described annular block 72 is fixed in drum and the annular periphery wall of block 72 and the inwall of drum fit, and ring gasket 71 is arranged in and covers, and covers and has offered through hole, and the part sphere of bulb is emerging in outside through hole.
Owing to have employed ball head structure, as long as arranging two just can meet existing user demand, therefore, in the present embodiment, preferably: described connecting arm comprises first and second cylinder 20,40 and first connecting rod 30, first and second cylinder 20,40 in barrel-shaped, first connecting rod 30 in hook solid and its two ends first and second bulb 31,32 is set respectively, first and second bulb 31,32 form with first and second cylinder 20,40 respectively described in steering unit; First cylinder 20 is fixed on base 10, and the 2nd cylinder 40 cylinder bottom side is fixedly connected with described holds mirror unit 60. After arranging like this, the component that first connecting rod 30 and its rear end connect freely can rotate within the specific limits around the centre of sphere of the first bulb 31; The component that 2nd cylinder 40 and its rear end connect freely can rotate within the specific limits around the centre of sphere of the 2nd bulb 32, and from clinical application, this regulation range enough uses. When the scope needing to regulate is bigger, it is possible to set up several steering units more.
First cylinder 20 to be helped other component that its rear end connects, comprise first connecting rod 30, the 2nd cylinder 40 and hold mirror unit 60, as long as the 2nd cylinder 40 holds mirror unit 60, therefore, here preferably, the diameter of described first cylinder 20 is greater than the diameter of the 2nd cylinder 40, and the diameter of first and second bulb 31,32 is identical with the diameter of first and second cylinder 20,40 respectively.In addition, owing to be all filled with pressed gas or pressure release in first and second cylinder 20,40, for the ease of control, in this enforcement, the inlet mouth being connected the first cylinder 20 inner chamber is offered in described first cylinder 20 cylinder bottom side, and the venting port being connected the 2nd cylinder 40 inner chamber is offered in the 2nd cylinder 40 cylinder bottom side; Described first connecting rod 30 is hollow shape and the inner chamber being connected first and second cylinder 20,40 via the through hole on first and second bulb 31,32. After arranging like this, first connecting rod 30 not only plays ligation, is also connected the inner chamber of first and second cylinder 20,40, and namely first connecting rod 30 also has the effect of vent line concurrently, as long as arranging an inlet mouth and a venting port.
When needs regulate time, the inner chamber of first and second cylinder 20,40 being filled with pressed gas, when reaching certain pressure, first and second bulb 31,32 will be held tightly by ring gasket 72, and whole device attitude is fixed. Now, if need adjust connecting arm attitude, it is necessary to first and second cylinder 20,40 is carried out pressure release, have during pressure release two schemes, one be close inlet mouth, open venting port, another kind be keep air inlet open state open venting port simultaneously. In order to make structure simple, convenient operation, a kind of scheme after preferably adopting in the present embodiment, but do like this and there is a not foot point: due to while exhaust also in air inlet, no matter how the position of inlet mouth, venting port is arranged, all there is a pressure difference in whole cavity so that the air pressure at first and second bulb 31,32 place is different, higher can not the carrying out of bulb possible pressure near inlet mouth freely turns to. Not enough in order to make up this, a kind of preferred scheme is provided here, first and second sliding cover 21,41 it is respectively arranged with in first and second described cylinder 20,40, the external diameter of first and second sliding cover 21,41 respectively internal diameter with first and second cylinder 20,40 match, in first sliding cover 21, first dividing plate 22 is set the first cylinder 20 is separated into first and second room, chamber 23,24 independent of each other, inlet mouth is connected with the first room, chamber 23, and the first bulb 31 is arranged in the 2nd room, chamber 24; Arranging second partition 42 in 2nd sliding cover 41 and the 2nd cylinder 40 separates into third and fourth room, chamber 43,44, venting port is connected with the 4th room, chamber 44, and the 2nd bulb 32 is arranged in the 3rd room, chamber 43; It is provided with tubule 33 in described first connecting rod 30, the two ends of tubule 33 are separately fixed on first and second dividing plate 22,42 by hollow bolt and are connected first, fourth room, chamber 23,44, second and third room, chamber 24,43 is connected by the gap between first connecting rod 30 with tubule 33, and the 3rd room, chamber 43 is connected with the 4th room, chamber 44. After arranging like this, make the air pressure at first and second bulb 31,32 place basic similar with the air pressure of the 4th room, chamber 44, and venting port is connected with the 4th room, chamber 44, when being vented, the air pressure at first and second bulb 31,32 place is similar with the air pressure near venting port, is a less pressure, few with atm difference, the pressure being far smaller than inlet mouth, like this, two steering units can free adjustment after disappointing step-down.
Consult Fig. 5, the mode of communicating of third and fourth room, chamber 43,44 is various, here provide one comparatively preferred scheme: the 2nd sliding cover 41 is positioned on the tube wall of the 3rd room, chamber 43 to have offered ventilating pit 411, shallow slot 412 has been offered in the face that the 2nd sliding cover 41 and the 2nd cylinder 40 inwall fit;One end of described shallow slot 412 is positioned at ventilating pit 411 place, and the other end of shallow slot 412 extends to the end that the 2nd sliding cover 41 is positioned at the 4th room, chamber 44, and the 4th room, chamber 44 is connected the 3rd room, chamber 43 by shallow slot 412, ventilating pit 411.
Consulting Fig. 3, as the preferred version of the present invention, the inlet mouth place of the first cylinder 20 can arrange as follows: has offered through hole on the cylinder bottom of the first described cylinder 20, through hole is plugged with first circle pipe 25, first circle pipe 25 and the first cylinder 20 arrange with core; One end that first circle pipe 25 is positioned at the first cylinder 20 is resisted against on the first dividing plate 22, and first circle pipe 25 the other end extends to outside the first cylinder 20 and this end is closed by pressure release bolt 26; It is provided with gasket between the tube wall of the first circle pipe 25 in the first cylinder 20 and the inwall of the first cylinder 20, being positioned on the tube wall of the outside the first cylinder 20 first circle pipe 25 to be provided with for the fixing locking screw 27 of described pressure release bolt 26 and the rapid-acting coupling 28 for connecting high-pressure gas pipeline, the built-in check valve of rapid-acting coupling 28 prevents gas backflow. Arranging pressure release bolt 26 is prevent venting port fault from needing maintenance of losing heart, and uses as pressure relief opening for subsequent use.
Consult Fig. 4, as the preferred version of the present invention, described 4th room, chamber 44 is furnished with the 2nd circle pipe 45,2nd circle pipe 45 and the 2nd cylinder 40 are arranged with core, one end of described 2nd circle pipe 45 is fixed on the cylinder bottom of the 2nd cylinder 40, and the other end of the 2nd circle pipe 45 extends towards second partition 42 side; 2nd circle pipe 45 is arranged with piston 46, piston 46 forms slippage with the 2nd circle pipe 45 and coordinates, piston 46 is straight length away from second partition 42 side, stage clip 47 it is arranged with outside straight length, one end of stage clip 47 is resisted against on piston 46, the other end of stage clip 47 is resisted against on spring support 48, and spring support 48 is circular and there is gap formation air-flow path between its inwall and piston 46, and the work elastic force of stage clip 47 makes piston 46 be resisted against on second partition 42; Through hole is closed in the face that piston 46 and second partition 42 lean step hole is set, the 4th room, chamber 44 being positioned at outside the 2nd circle pipe 45 is divided into first and second loculus room 441,442 by piston 46, and wherein the region closed and become is enclosed in the step hole of piston 46 with second partition 42 is the first loculus room 441. The 2nd described cylinder 40 cylinder bottom center arrangement has vent valve 401, can directly selecting valve core as vent valve 401, the 2nd circle pipe 45 is provided with check valve 49 on the tube wall of vent valve 401 side and stops gas to flow to the 2nd loculus room 442 by the inner chamber of the 2nd circle pipe 45. Piston 46 1 side end face be resisted against on second partition 42 form an opening and closing valve, piston 46 moves right when being separated with second partition 42, the gap that gap between one side end face of piston 46 and second partition 42, the periphery wall of piston 46 and the 2nd are slided between the inwall of cover 41 forms an air-flow path, is connected first and second loculus room 441,442. In addition, it is also possible to arrange as in this embodiment, fitting between the inwall of the periphery wall of piston 46 and the 2nd sliding cover 41, now, piston 46 could be connected first and second loculus room 441,442 outside need to being displaced to the 2nd sliding cover 41.
Why piston 46 is set, is to make the air pressure at first and second bulb 31,32 place more steady, operate more convenient, comfortable. Below in conjunction with Fig. 3-5, inflation, the bleeding process of this device are described in detail, describe in order to convenient, remember the pressure position P0 of normal atmosphere below respectively, the pressure of pressed gas is P, the pressure of first, second, third and fourth room, chamber 23,24,43,44 is P23, P24, P43, P44, the pressure of first and second loculus room 441,442 is P441, P442, and in the pipe of the 2nd circle pipe 45, gaseous tension is P45.
Gas replenishment process: first pressed gas enters the first room, chamber 23 by inlet mouth, first room, chamber 23 is full of pressed gas, pressed gas in first room, chamber 23 fills inner chamber and the first loculus room 441 of the 2nd circle pipe 45 gradually by tubule 33 after being throttled simultaneously, owing to vent valve 401 now is not squeezed, for closing condition, P45 and P441 increases gradually. Along with the carrying out of inflation, air pressure P441 in first loculus room 441 gradually on when rising to the work elastic force that can overcome stage clip 47, piston 46 moves to right side, when the periphery wall of piston 46 is displaced to outside the 2nd sliding cover 41, first and second loculus room 441,442 is connected, and pressed gas fills the 2nd loculus room 442, the 3rd room, chamber 43 and the 2nd room, chamber 24 successively. When P442 meets relational expression P442=P441-P47 (size of P47 is relevant with the coefficient of elasticity of stage clip 47), piston 46 reaches equilibrium theory of tide. Now P441 be just that to be just stabilized in P441-P47 be also P-P47 place for P, P442, P43, P24, and first and second bulb 31,32 is held tightly, and connecting arm attitude is fixed.
Exhaust process: vent valve 401 is squeezed, for opening state, owing to inlet mouth now still has pressed gas to enter, P, P23, P441, P45 reduces successively, piston 46 is resisted against on second partition 42 to left movement, now due to P442 > P45, therefore check valve 49 is opened, and let out the 2nd loculus room 442 fast, 3rd room, chamber 43, pressed gas in 2nd room, chamber 24, P442 after stable, P43, P24 is all consistent with the chamber pressure P45 of the 2nd circle pipe 45, first, two bulbs 31, 32 no longer extrude ring gasket 71, first, two bulbs 31, 32 can freely rotate, connecting arm can free adjustment.
The setting of piston 46 and check valve 49, ensure that the pressure in the 2nd loculus room 442, the 3rd room, chamber 43, the 2nd room, chamber 24 is consistent with the air pressure of exhaust ports and this room, three chambeies and other rooms, chamber independent, the pressure uniform of these indoor, three chambeies, there is not air pressure difference, first and second bulb 31,32 tightness is moderate, reliable. In addition, first connecting rod 30 is necking segment near a section of the 2nd bulb 32, and tubule 33, shallow slot 412 and this necking segment all play throttling action, ensure inflation, bleeding process steady.
Further, by second connecting rod 50, mirror unit 60 is connected the 2nd described cylinder 40 with holding, and second connecting rod 50 comprises straight pipe, and the two ends of straight pipe are fixedly connected with respectively holds mirror unit 60 and connecting arm; Being provided with solution lock unit in straight pipe, unlock the opening and closing of vent valve 401 on unit control connecting arm, the unblock handle of solution lock unit is positioned at holds mirror unit 60 place. Second connecting rod 50 and holding in another part of patent that mirror unit 60 applies on the same day in our company " for the pneumatic arm of quick adjustment hold mirror pressure release device " is recorded in detail, just repeats no more here.
Consult Fig. 6, Fig. 7, have a variety of scheme can be fixed on by the first cylinder 20 on the worktable on beside sickbed edge or sick bed side, provide one comparatively preferred embodiment the first cylinder 20 to be fixed on beside sickbed edge here. Described base 10 comprises fixture block 11, lower fixture block 12, and upper fixture block 11 entirety is in downward opening spill, and lower fixture block 12 is arranged in the recess of fixture block; Horizontally disposed first bearing pin 111 in the recess of upper fixture block 11, it is revealed on the first bearing pin 111 axle body in recess and it is hinged with the 2nd bearing pin 112, first and second bearing pin 111,112 is arranged vertically, lower fixture block 12 is offered through hole pass through for the 2nd bearing pin 112, lower fixture block 12 can be postponed, and to realize upper and lower fixture block 11,12 spacing adjustable in the 2nd bearing pin 112 slippage, 2nd bearing pin 112 is positioned on the axle body of the lower section of lower fixture block 12 to be disposed with pad, axle sleeve, the 2nd stage clip, compression spring sleeve, and compression spring sleeve and the 2nd bearing pin are thread fit;Base 10 also comprises half month dish 13, first cylinder 20 is fixed in the side card of half month dish 13, fit another side card of half month dish 13 of upper fixture block 11 is arranged, within half month, dish 13 is hinged by hinged axle 14 with upper fixture block 11, deep-slotted chip breaker 131 offered by half month dish 13, the axle core of hinged axle 14, the center of circle of deep-slotted chip breaker 131 all the center of circle with half month dish 13 overlaps, the card that deep-slotted chip breaker 131 runs through half month dish 13 is arranged, it is revealed on upper fixture block 11 body at deep-slotted chip breaker 131 place and it is provided with screw rod 113, screw rod 113 is parallel with hinged axle 14, screw rod 113 passes in deep-slotted chip breaker 131 and postpones to half month dish 13 and arrange the side of the first cylinder 20, the suspension end of screw rod 113 is provided with screw thread handle 15, screw thread handle 15 forms with half month dish 13 and is fixed on upper fixture block 11 by half month dish 13 against when coordinating. after arranging like this, within half month, dish 13 can rotate relative to upper fixture block 11 so that other component that the first cylinder 20 being fixed on half month dish 13 and the first cylinder 20 rear end are fixed can rotate together, adds the regulation range of this device. the position of half month dish 13 generally just regulates before surgery, ensures that endoscope A or other bantams are in suitable position, in operation, the adjustment of endoscope A or other bantam particular locations is all completed by the steering unit of connecting arm.
Claims (5)
1. one kind for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, it is characterized in that: comprise base (10), hold mirror unit (60), described base (10) for being fixed on the worktable on beside sickbed edge or sick bed side by this device, hold mirror unit (60) for helping endoscope or other bantams (A), hold mirror unit (60) and be fixed on base (10) by connecting arm; Described connecting arm is provided with one or more steering unit, steering unit comprises drum and the bulb of drum bucket mouth place layout, bulb is provided with annular block (72) and ring gasket (71) apart from the both sides at the shaft core line maximum position place of drum with core, annular block (72) side at the bottom of bucket is arranged, described ring gasket (71) is made up of nylon material; The face that annular block (72) and ring gasket (71) and bulb fit is that for helping, bulb makes bulb can freely rotate, around the centre of sphere, the free adjustment realizing connecting arm to curved surface, drum encloses with bulb and closes and after being filled with pressed gas in the cavity that becomes, ring gasket (71) is subject to bulb extruding and holds bulb tightly and realize the fixing of connecting arm attitude;
The bucket mouth place of described drum is provided with lid, lid and drum thread fit; Described annular block (72) is fixed in drum and the periphery wall of annular block (72) and the inwall of drum fit, ring gasket (71) is arranged in and covers, covering and offered through hole, the part sphere of bulb is emerging in outside through hole;
Described connecting arm comprises first and second cylinder (20,40) and first connecting rod (30), first and second cylinder (20,40) is in barrel-shaped, first connecting rod (30) in hook solid and its two ends first and second bulb (31,32) is set respectively, first and second bulb (31,32) respectively with first and second cylinder (20,40) form described in steering unit; First cylinder (20) is fixed on base (10), and the 2nd cylinder (40) cylinder bottom side is fixedly connected with described holds mirror unit (60);
The diameter of described first cylinder (20) is greater than the diameter of the 2nd cylinder (40), and the diameter of first and second bulb (31,32) is identical with the diameter of first and second cylinder (20,40) respectively;The inlet mouth being connected the first cylinder (20) inner chamber is offered in described first cylinder (20) cylinder bottom side, and the venting port being connected the 2nd cylinder (40) inner chamber is offered in the 2nd cylinder (40) cylinder bottom side; Described first connecting rod (30) is hollow shape and the inner chamber being connected first and second cylinder (20,40) via the through hole on first and second bulb (31,32);
First and second sliding cover (21,41) it is respectively arranged with in described first and second cylinder (20,40), the external diameter of first and second sliding cover (21,41) respectively internal diameter with first and second cylinder (20,40) match, in first sliding cover (21), the first dividing plate (22) is set the first cylinder (20) is separated into first and second room, chamber (23,24) independent of each other, inlet mouth is connected with the first room, chamber (23), and the first bulb (31) is arranged in the 2nd room, chamber (24); In 2nd sliding cover (41), second partition (42) is set the 2nd cylinder (40) is separated into third and fourth room, chamber (43,44), venting port is connected with the 4th room, chamber (44), and the 2nd bulb (32) is arranged in the 3rd room, chamber (43); It is provided with tubule (33) in described first connecting rod (30), the two ends of tubule (33) are separately fixed at first and second dividing plate (22,42) by hollow bolt and go up and be connected first, fourth room, chamber (23,44), second and third room, chamber (24,43) is connected by the gap between first connecting rod (30) with tubule (33), and the 3rd room, chamber (43) is connected with the 4th room, chamber (44);
2nd sliding cover (41) is positioned on the tube wall of the 3rd room, chamber (43) to have offered ventilating pit (411), and shallow slot (412) has been offered in the face that the 2nd sliding cover (41) and the 2nd cylinder (40) inwall fit; One end of described shallow slot (412) is positioned at ventilating pit (411) place, the other end of shallow slot (412) extends to the end that the 2nd sliding cover (41) is positioned at the 4th room, chamber (44), and the 4th room, chamber (44) is connected the 3rd room, chamber (43) by shallow slot (412), ventilating pit (411).
2. as claimed in claim 1 for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, it is characterized in that: through hole offered by the cylinder bottom of described the first cylinder (20), being plugged with the first circle pipe (25) in through hole, the first circle pipe (25) is arranged with core with the first cylinder (20); One end that first circle pipe (25) is positioned at the first cylinder (20) is resisted against on the first dividing plate (22), and first circle pipe (25) the other end extends to the first cylinder (20) outside and this end is closed by pressure release bolt (26); It is positioned between the tube wall of the first circle pipe (25) of the first cylinder (20) and the inwall of the first cylinder (20) and it is provided with gasket, being positioned on the tube wall of outer the first circle pipe (25) of the first cylinder (20) to be provided with for the locking screw (27) of fixing described pressure release bolt (26) and the rapid-acting coupling (28) for connecting high-pressure gas pipeline, rapid-acting coupling (28) built-in check valve prevents gas backflow.
3. as claimed in claim 1 for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, it is characterized in that: described 4th room, chamber (44) is furnished with the 2nd circle pipe (45), 2nd circle pipe (45) is arranged with core with the 2nd cylinder (40), one end of described 2nd circle pipe (45) is fixed on the cylinder bottom of the 2nd cylinder (40), and the other end of the 2nd circle pipe (45) extends towards second partition (42) side, 2nd circle pipe (45) is arranged with piston (46), piston (46) forms slippage with the 2nd circle pipe (45) and coordinates, piston (46) is straight length away from second partition (42) side, stage clip (47) it is arranged with outside straight length, one end of stage clip (47) is resisted against on piston (46), the other end of stage clip (47) is resisted against on spring support (48), spring support (48) forms air-flow path in gap in existing between circular and its inwall and piston (46), piston (46) is resisted against on second partition (42) by the work elastic force of stage clip (47),Closing on through hole on the face that piston (46) and second partition (42) lean and arrange step hole, piston (46) will be positioned at the 2nd circle and manage (45) outer the 4th room, chamber (44) and be divided into first and second loculus room (441,442); The 2nd described cylinder (40) cylinder bottom center arrangement has vent valve (401), and the 2nd circle pipe (45) is provided with check valve (49) on the tube wall of vent valve (401) side and stops gas to flow to the 2nd loculus room (442) by the inner chamber of the 2nd circle pipe (45).
4. as claimed in claim 3 for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, it is characterized in that: by second connecting rod (50), mirror unit (60) is connected the 2nd described cylinder (40) with holding, second connecting rod (50) comprises straight pipe, and the two ends of straight pipe are fixedly connected with respectively holds mirror unit (60) and connecting arm; Being provided with solution lock unit in straight pipe, unlock the opening and closing of vent valve (401) on unit control connecting arm, the unblock handle of solution lock unit is positioned at holds mirror unit (60) place.
5. as described in item as arbitrary in claim 1-4 for the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment, it is characterized in that: described base (10) comprises fixture block (11), lower fixture block (12), upper fixture block (11) entirety is in downward opening spill, and lower fixture block (12) is arranged in the recess of fixture block, horizontally disposed first bearing pin (111) in the recess of upper fixture block (11), it is revealed on the first bearing pin (111) axle body in recess and it is hinged with the 2nd bearing pin (112), first, two bearing pins (111, 112) it is arranged vertically, lower fixture block (12) is offered through hole pass through for the 2nd bearing pin (112), lower fixture block (12) can be postponed in the 2nd bearing pin (112) slippage realization, lower fixture block (11, 12) spacing is adjustable, 2nd bearing pin (112) is positioned on the axle body of the lower section of lower fixture block (12) to be disposed with pad, axle sleeve, 2nd stage clip, compression spring sleeve, compression spring sleeve and the 2nd bearing pin are thread fit, base (10) also comprises half month dish (13), first cylinder (20) be fixed on half month dish (13) side card on, another side card of upper fixture block (11) laminating half month dish (13) is arranged, half month dish (13) and upper fixture block (11) are hinged by hinged axle (14), half month dish (13) have offered deep-slotted chip breaker (131), the axle core of hinged axle (14), the center of circle of deep-slotted chip breaker (131) all with half month dish (13) the center of circle overlap, deep-slotted chip breaker (131) run through half month dish (13) card arrange, it is revealed on upper fixture block (11) body at deep-slotted chip breaker (131) place and it is provided with screw rod (113), screw rod (113) is parallel with hinged axle (14), screw rod (113) pass in deep-slotted chip breaker (131) and postpone to half month dish (13) side of the first cylinder (20) is set, the suspension end of screw rod (113) is provided with screw thread handle (15), screw thread handle (15) with half month dish (13) form against when coordinating by half month dish (13) be fixed on upper fixture block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138451.1A CN103932802B (en) | 2014-04-08 | 2014-04-08 | For the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138451.1A CN103932802B (en) | 2014-04-08 | 2014-04-08 | For the pneumatic arm stationary installation of fast clamp Minimally Invasive Surgery apparatus or equipment |
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| Publication Number | Publication Date |
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| CN103932802A CN103932802A (en) | 2014-07-23 |
| CN103932802B true CN103932802B (en) | 2016-06-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105287001A (en) * | 2015-11-30 | 2016-02-03 | 广州乔铁医疗科技有限公司 | Robot arm rectoscope system |
| CN205548501U (en) * | 2016-03-25 | 2016-09-07 | 深圳市兼明科技有限公司 | Peep hole support fixing device that turns to and shift |
| CN106562866B (en) * | 2016-09-06 | 2018-05-11 | 南方医科大学南方医院 | Nerve endoscope band emulation palm All-dimensional manipulator arm |
| CN109109329B (en) * | 2018-07-24 | 2020-06-19 | 中航沈飞民用飞机有限责任公司 | Sealing and riveting tool and sealing and riveting method suitable for airplane composite material vertical empennage wing box |
| CN110693546B (en) * | 2019-09-11 | 2023-07-21 | 丁起武 | Ball head pressure locking device and medical bracket with same |
Citations (3)
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|---|---|---|---|---|
| US5020933A (en) * | 1989-09-01 | 1991-06-04 | Andronic Devices, Ltd. | Locking mechanism for medical devices |
| US5170790A (en) * | 1990-04-06 | 1992-12-15 | Technomed International | Arm having an end movable in translation, and therapeutic treatment apparatus constituting an application thereof |
| CN101522129A (en) * | 2006-10-06 | 2009-09-02 | H·弗里克 | Lockable joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4285926B2 (en) * | 2001-05-22 | 2009-06-24 | オリンパス株式会社 | Surgical equipment holding device |
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2014
- 2014-04-08 CN CN201410138451.1A patent/CN103932802B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020933A (en) * | 1989-09-01 | 1991-06-04 | Andronic Devices, Ltd. | Locking mechanism for medical devices |
| US5170790A (en) * | 1990-04-06 | 1992-12-15 | Technomed International | Arm having an end movable in translation, and therapeutic treatment apparatus constituting an application thereof |
| CN101522129A (en) * | 2006-10-06 | 2009-09-02 | H·弗里克 | Lockable joint |
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| CN103932802A (en) | 2014-07-23 |
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Denomination of invention: Pneumatic arm fixing device for fast clamping minimally invasive surgical instruments or equipment Effective date of registration: 20170714 Granted publication date: 20160608 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HEFEI DVL ELECTRON Co.,Ltd. Registration number: 2017340000120 |
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Effective date of registration: 20180516 Address after: 230001 Anhui Hefei high tech Zone Innovation Industrial Park two phase E3 building B block 9 floor. Patentee after: HEFEI D.E ELECTRONICS Co.,Ltd. Address before: 231202 Cherry Blossom Road, peach blossom Town, Feixi County, Hefei, Anhui 15 Patentee before: HEFEI DVL ELECTRON Co.,Ltd. |
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Date of cancellation: 20231213 Granted publication date: 20160608 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HEFEI DVL ELECTRON Co.,Ltd. Registration number: 2017340000120 |