CN103932802A - Pneumatic arm fixing device for fast clamping minimally invasive surgical instruments or equipment - Google Patents
Pneumatic arm fixing device for fast clamping minimally invasive surgical instruments or equipment Download PDFInfo
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- CN103932802A CN103932802A CN201410138451.1A CN201410138451A CN103932802A CN 103932802 A CN103932802 A CN 103932802A CN 201410138451 A CN201410138451 A CN 201410138451A CN 103932802 A CN103932802 A CN 103932802A
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 23
- 238000002324 minimally invasive surgery Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000000740 bleeding effect Effects 0.000 claims description 9
- 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
- 239000000463 material Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 1
- 230000001276 controlling effect 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Abstract
The invention relates to the field of design of medical auxiliary article holding devices, in particular to a pneumatic arm fixing device for fast clamping minimally invasive surgical instruments or equipment. The pneumatic arm fixing device comprises a base and a mirror holding unit, wherein the base is used for fixing the device body to the edge of a sickbed or a workbench beside the sickbed, the mirror holding unit is used for supporting an endoscope or other small devices, and the mirror holding unit is fixed to the base through a connecting arm; one or more steering units are arranged on the connecting arm, each steering unit comprises a round barrel and a bulb arranged on the opening of the round barrel, an annular stop dog and an annular mat are concentrically arranged on the two sides of the position where the distance from the bulb to the axis of the round barrel is maximum, the annular stop dog and the annular mat are used for supporting the bulb so as to freely adjust the connecting arm, and after the fixing device is inflated with pressure gas, the annular mat is squeezed by the bulb to tightly hold the bulb so that the posture of the connecting arm can be fixed. The pneumatic arm fixing device is convenient to operate, low in cost, convenient to popularize and use and free of electromagnetic interference, no sensors are needed, and fast, accurate and convenient positioning is achieved.
Description
Technical field
The present invention relates to medical auxiliary hold lens device design field, particularly a kind of pneumatic arm fixture for 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 diagnoses, and has intuitive, reliability, invasive, has now become a clinical irreplaceable Clinics.Endoscope, in the time checking and perform the operation, needs translation-angle or position once in a while, in the time that endoscope is in suitable visual angle, needs again it can keep stable and does not rock, and therefore, is extremely necessary for the support of endoscope.
In prior art, generally there are two kinds of usual ways for the support of endoscope.First kind of way is by manually helping, and it needs an assistant to assist operating doctor to hold mirror to perform the operation, and this mode exists some shortcomings that are difficult to overcome, as: between assistant and operating doctor, be difficult to harmoniously, action is repeatedly adjusted and is extended operating time; Rotary mirror person's operational comfort is subject to position of opening restriction; Assistant's range of activity is restricted; After helping for a long time, can cause hands shake, the degree of accuracy of impact operation.
Because artificial support exists many deficiencies, part hospital with good conditionsi all brings into use the second way now, adopt Chi Jing robot to help, there are multiple degree of freedom mechanical hands in this robot, utilize precision electric motor to hold mirror operation, activity space is large, registration, and there is not hands shake phenomenon.But Chi Jing robot brings and also exists problem easy time.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 will remove to use skilled operation completely by operation repeatedly, and this needs considerable time.If change doctor, need again the longer time of cost to remove skilled equipment; Second, accurate location needs multiple sensors to complete, robot degree of freedom is higher, a lot of sensors will be set like this, concerning some diformazans and following hospital thereof, operating room may not reach high-level power supply, adds that some are high-power as the use of the equipment such as electric knife, can cause sensor be disturbed and produce distortion, affect positioning precision; The 3rd, the motor that Chi Jing robot adopts and the degree of accuracy of sensor are all very high, thereby determine that the price of Liao Chi mirror robot is very expensive, so its universal and popularization is very restricted.
Summary of the invention
The object of the present invention is to provide a kind of pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment, can stablize, accurately help endoscope, simultaneously simple in structure, easy to operate, without electromagnetic interference.
For realizing above object, the technical solution used in the present invention is: a kind of pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment, comprise base, hold mirror unit, described base is for being fixed on this device the workbench on beside sickbed edge or sick bed side, hold mirror unit for helping endoscope or other mini-plants, hold mirror unit and be fixed on base by linking arm; On described linking arm, be provided with one or more steering unit, steering unit comprises the bulb that drum and drum bung place arrange, bulb is provided with collar stop and air ring apart from the both sides at the shaft core line maximum position place of drum with core, collar stop is near drum head one side layout, and described air ring is made up of nylon material; The face that collar stop and air ring and bulb fit is that curved surface is for helping bulb to make bulb freely to rotate the free adjustment that realizes linking arm around the centre of sphere, drum and bulb enclose in the cavity that forms after charged pressure gas, and air ring is subject to bulb extruding and holds bulb tightly and realize the fixing of linking 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 the attitude that maintains linking arm with air pressure, without using sensor, be not subject to electromagnetic interference; Fast, accurately, conveniently, as long as the air pressure in venting drum, steering unit just can freely rotate in location, adjustment is held mirror unit to correct position, then passes into gases at high pressure in drum, and steering unit is just fixed extremely, can not free adjustment, also just realize the function of holding mirror.
Brief description of the drawings
Fig. 1 is the perspective view of the present invention while helping endoscope;
Fig. 2 is the perspective view of the present invention while helping other mini-plants;
Fig. 3 is the structural representation of the first cylinder and the first bulb;
Fig. 4 is the structural representation of the second cylinder and the second bulb;
Fig. 5 is the local enlarged diagram of Fig. 4;
Fig. 6 is the perspective view of base;
Fig. 7 is another visual angle perspective view of base.
Detailed description of the invention
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 pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment, comprise base 10, hold mirror unit 60, described base 10 is for being fixed on this device the workbench on beside sickbed edge or sick bed side, hold mirror unit 60 for helping endoscope or other mini-plants A, hold mirror unit 60 and be fixed on base 10 by linking arm; On described linking arm, be provided with one or more steering unit, steering unit comprises the bulb that drum and drum bung place arrange, bulb is provided with collar stop 72 and air ring 71 apart from the both sides at the shaft core line maximum position place of drum with core, here said both sides be in Fig. 3,4 left and right two hemisphere on, arrange in this way after collar stop 72 and air ring 71, could be by the spacing bulb bung place at drum.Collar stop 72 is near drum head one side layout, and described air ring 71 is made up of nylon material; Collar stop 72 and air ring 71 are that curved surface is for helping bulb to make bulb freely to rotate the free adjustment that realizes linking arm around the centre of sphere with the face that bulb fits, drum and bulb enclose in the cavity that forms after charged pressure gas, and air ring 71 is subject to bulb extruding and holds bulb tightly and realize the fixing of linking arm attitude.When drum internal gas pressure is in the normal state, collar stop 72 and air ring 71 are also all in the normal state, and bulb can freely rotate around the centre of sphere of oneself, when after charged pressure gas in drum, what be emerging in that bulb body outside drum is subject to is atmospheric pressure, what be emerging in that the bulb body at collar stop 72 places is subject to is the pressure of pressed gas, clearly the latter is greater than the former, like this, bulb will move outside drum, air ring 71 is made for nylon material, can there is the slight distortion of appropriateness, frictional force between air ring 71 and bulb after distortion increases, just be difficult to rotate bulb, steering unit just no longer plays the effect turning to, only play the effect being fixedly connected with, the attitude of whole linking arm is also just fixing, realize very easily the support of the A of endoscope or other mini-plants.
Consult Fig. 3, Fig. 4, for the ease of described collar stop 72, air ring 71 are set, here, preferably, the bung place of described drum is provided with lid, lid and drum threaded engagement; Described collar stop 72 is fixed in drum and the periphery wall of collar stop 72 and the inwall of drum fit, and air ring 71 is arranged in and covers, and covers and offers through hole, and the spherical calotte of bulb is emerging in outside through hole.
Owing to having adopted ball head structure, just can meet existing user demand as long as arrange two, therefore, in the present embodiment, preferably: described linking arm comprises first and second cylinder 20,40 and first connecting rod 30, first and second cylinder 20,40 is barrel-shaped, and first connecting rod 30 is hook solid and its two ends arrange respectively first and second bulb 31,32, and first and second bulb 31,32 forms described steering unit with first and second cylinder 20,40 respectively; The first cylinder 20 is fixed on base 10, and the second cylinder 40 cylinder bottom one sides are fixedly connected with the described mirror unit 60 of holding.After arranging like this, the parts that first connecting rod 30 and its rear end connect can freely rotate within the specific limits around the centre of sphere of the first bulb 31; The parts that the second cylinder 40 and its rear end connect can freely rotate within the specific limits around the centre of sphere of the second bulb 32, and from clinical practice, this range of accommodation is enough used.The scope regulating when needs when larger, can be set up several steering units more.
Other parts that the first cylinder 20 will help its rear end to connect, comprise first connecting rod 30, the second cylinder 40 and hold mirror unit 60, the second cylinder 40 is as long as hold mirror unit 60, therefore, here preferably, the diameter of described the first cylinder 20 is greater than the diameter of the second cylinder 40, and the diameter of first and second bulb 31,32 coincide with the diameter of first and second cylinder 20,40 respectively.In addition, owing to all wanting charged pressure gas or pressure release in first and second cylinder 20,40, for the ease of controlling, in this enforcement, described the first cylinder 20 cylinder bottom one sides offer the air inlet that is communicated with the first cylinder 20 inner chambers, and the second cylinder 40 cylinder bottom one sides offer the air vent that is communicated with the second cylinder 40 inner chambers; Described first connecting rod 30 is hollow form and the inner chamber that is communicated with 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 interconnect function, is also communicated with the inner chamber of first and second cylinder 20,40, and first connecting rod 30 is also having the effect of vent line concurrently, as long as an air inlet and an air vent are set.
In the time that needs regulate, to the inner chamber charged pressure gas of first and second cylinder 20,40, while reaching certain pressure, first and second bulb 31,32 will be held tightly by air ring 72, and whole device attitude is fixed.Now, if need to adjust the attitude of linking arm, just need to carry out pressure release to first and second cylinder 20,40, when pressure release, having two schemes, one is to close air inlet, open air vent, and another kind is when keeping air inlet open state, to open air vent.Simple in structure in order to make, convenient operation, a kind of scheme after preferably adopting in the present embodiment, there is a foot point not but do like this: due in aerofluxus also in air inlet, no matter how the position of air inlet, air vent is arranged, in whole cavity, all there is a pressure differential, make the air pressure at first and second bulb 31,32 places different, freely turn near higher can not the carrying out of bulb possible pressure of air inlet.In order to make up this deficiency, a kind of preferred scheme is provided here, in first and second described cylinder 20,40, be respectively arranged with first and second sliding sleeve 21,41, the external diameter of first and second sliding sleeve 21,41 matches with the internal diameter of first and second cylinder 20,40 respectively, the first cylinder 20 is separated into first and second chamber 23,24 independent of each other by interior first dividing plate 22 that arranges of the first sliding sleeve 21, air inlet is communicated with the first chamber 23, and the first bulb 31 is arranged in the second chamber 24; The second cylinder 40 is separated into third and fourth chamber 43,44 by the interior second partition 42 that arranges of the second sliding sleeve 41, and air vent is communicated with the 4th chamber 44, and the second bulb 32 is arranged in the 3rd chamber 43; In described first connecting rod 30, be provided with tubule 33, the two ends of tubule 33 are separately fixed on first and second dividing plate 22,42 by hollow bolt and are communicated with first, fourth chamber 23,44, second and third chamber 24,43 is connected by the gap between first connecting rod 30 and tubule 33, and the 3rd chamber 43 is communicated with the 4th chamber 44.After arranging like this, make the air pressure at first and second bulb 31,32 places basic few with the draught head of the 4th chamber 44, and air vent is communicated with the 4th chamber 44, in the time of aerofluxus, the air pressure at first and second bulb 31,32 places is few with near draught head air vent, is a less pressure, few with atm difference, be far smaller than the pressure of air inlet, like this, two steering units can free adjustment after disappointing blood pressure lowering.
Consult Fig. 5, the mode of communicating of third and fourth chamber 43,44 is various, here provide one comparatively preferred scheme: the second sliding sleeve 41 is positioned on the tube wall of the 3rd chamber 43, to offer on the face that passage 411, the second sliding sleeves 41 and the second cylinder 40 inwalls fit and offers shallow slot 412; One end of described shallow slot 412 is positioned at passage 411 places, and the other end of shallow slot 412 extends to the second sliding sleeve 41 and be positioned at the end of the 4th chamber 44, and the 4th chamber 44 is communicated with the 3rd chamber 43 by shallow slot 412, passage 411.
Consult Fig. 3, as preferred version of the present invention, the air inlet place of the first cylinder 20 can arrange as follows: on the cylinder bottom of the first described cylinder 20, offer through hole, be plugged with the first pipe 25, the first pipes 25 and the first cylinder 20 and arrange with core in through hole; One end that the first pipe 25 is positioned at the first cylinder 20 is resisted against on the first dividing plate 22, and first pipe 25 other ends extend to the first cylinder 20 outsides and this end seals by pressure release bolt 26; Between the tube wall of the first pipe 25 in the first cylinder 20 and the inwall of the first cylinder 20, be provided with sealing gasket, be positioned on the tube wall of the first pipe 25 outside the first cylinder 20 and be provided with for the lock-screw 27 of fixing described pressure release bolt 26 and for connecting the snap joint 28 of high-pressure gas pipeline, the built-in check valve of snap joint 28 prevents gas backflow.Pressure release bolt 26 is set is and prevent the maintenance of need to losing heart of air vent fault, use as pressure relief opening for subsequent use.
Consult Fig. 4, as preferred version of the present invention, in described the 4th inner chamber 44, be furnished with the second pipe 45, the second pipe 45 and the second cylinder 40 are arranged with core, one end of described the second pipe 45 is fixed on the cylinder bottom of the second cylinder 40, and the other end of the second pipe 45 extends towards second partition 42 1 sides; On the second pipe 45, be arranged with piston 46, piston 46 forms slippage with the second pipe 45 and coordinates, piston 46 is straight length away from second partition 42 1 sides, straight length is arranged with stage clip 47 outward, one end of stage clip 47 is resisted against on piston 46, the other end of stage clip 47 is resisted against on spring base 48, and spring base 48 is and between circular and its inwall and piston 46, exists gap to form current path, and the work elastic force of stage clip 47 is resisted against on second partition 42 piston 46; On the face that piston 46 and second partition 42 lean, close on through hole stepped hole is set, the 4th cavity 44 being positioned at outside the second pipe 45 is divided into first and second capacitor 441,442 by piston 46, and wherein to enclose the region forming be the first capacitor 441 for the stepped hole of piston 46 and second partition 42.The second described cylinder 40 cylinder bottom center arrangement have air bleeding valve 401, can directly select valve inside to stop gas to flow to the second capacitor 442 by the inner chamber of the second pipe 45 as being provided with check valve 49 on the tube wall of air bleeding valve 401, the second pipes 45 near air bleeding valve 401 1 sides.Piston 46 1 side end faces are resisted against the valve that forms a switching on second partition 42, piston 46 moves right while being separated with second partition 42, gap between gap, the periphery wall of piston 46 and the inwall of the second sliding sleeve 41 between one side end face and the second partition 42 of piston 46 forms a current path, is communicated with first and second capacitor 441,442.In addition, also can as in the present embodiment, arrange, between the periphery wall of piston 46 and the inwall of the second sliding sleeve 41, fit, now, piston 46 need be displaced to that the second sliding sleeve 41 is outer could be communicated with first and second capacitor 441,442.
Why piston 46 is set, and is that the air pressure in order to make first and second bulb 31,32 places is more steady, operates more convenient, comfortable.Be elaborated below in conjunction with the inflation of Fig. 3-5 pair this device, the process of losing heart, for convenient narration, remember respectively atmospheric pressure position P0 below, the pressure of pressed gas is P, the pressure of first, second, third and fourth chamber 23,24,43,44 is P23, P24, P43, P44, the pressure of first and second capacitor 441,442 is P441, P442, and in the pipe of the second pipe 45, gas pressure is P45.
Gas replenishment process: first pressed gas enters the first chamber 23 by air inlet, in the first chamber 23, be full of pressed gas, simultaneously the pressed gas in the first chamber 23 is filled inner chamber and first capacitor 441 of the second pipe 45 after by tubule 33 throttlings gradually, because air bleeding valve 401 is not now squeezed, for closed condition, P45 and P441 increase gradually.Along with the carrying out of inflation, when air pressure P441 in the first capacitor 441 rises to the work elastic force that can overcome stage clip 47 gradually, piston 46 moves to the right, in the time that the periphery wall of piston 46 is displaced to the second sliding sleeve 41 outside, first and second capacitor 441,442 is communicated with, and pressed gas is filled the second capacitor 442, the 3rd chamber 43 and the second chamber 24 successively.The size that meets relational expression P442=P441-P47(P47 as P442 is relevant with the coefficient of elasticity of stage clip 47) time, piston 46 reaches equilbrium position.Now P441 is just P, and it is also P-P47 place that P442, P43, P24 are just stabilized in P441-P47, and first and second bulb 31,32 is held tightly, and linking arm attitude is fixed.
Exhaust process: air bleeding valve 401 is squeezed, for open mode, because still having pressed gas, air inlet now enters, 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 quick venting the second capacitor 442, the 3rd chamber 43, pressed gas in the second chamber 24, P442 after stable, P43, P24 is all consistent with the chamber pressure P45 of the second pipe 45, first, two bulbs 31, 32 no longer push air ring 71, first, two bulbs 31, 32 can freely rotate, linking arm can free adjustment.
The setting of piston 46 and check valve 49, ensure that consistent and these three chambers of the air pressure of pressure in the second capacitor 442, the 3rd chamber 43, the second chamber 24 and exhaust ports and other chambers are independent, pressure in these three chambers is even, do not have draught head, first and second bulb 31,32 tightness are moderate, reliable.In addition, first connecting rod 30 is necking segment near a section of the second bulb 32, and tubule 33, shallow slot 412 and this necking segment all play throttling action, ensure inflation, the process of losing heart steadily.
Further, the second described cylinder 40 by second connecting rod 50 with hold mirror unit 60 and be connected, second connecting rod 50 comprises straight tube, the two ends of straight tube are fixedly connected with respectively holds mirror unit 60 and linking arm; In straight tube, be provided with solution lock unit, the switching of air bleeding valve 401 on release unit controls linking arm, the solution shank of the key of separating lock unit is positioned at holds mirror unit 60 places.Second connecting rod 50 and hold another part of patent that mirror unit 60 applies on the same day in our company " for quick adjustment pneumatic arm hold mirror pressure relief device " and record in detail, just repeats no more here.
Consult Fig. 6, Fig. 7, have a variety of schemes the first cylinder 20 can be fixed on the workbench on beside sickbed edge or sick bed side, provide one comparatively preferred embodiment the first cylinder 20 to be fixed on to beside sickbed edge here.Described base 10 comprises fixture block 11, lower fixture block 12, and upper fixture block 11 entirety are downward opening spill, and lower fixture block 12 is arranged in the recess of fixture block, horizontally disposed the first bearing pin 111 in the recess of upper fixture block 11, be revealed on the first bearing pin 111 axle bodies in recess and be hinged with the second bearing pin 112, first and second bearing pin 111,112 is arranged vertically, on lower fixture block 12, offering through hole passes through for the second bearing pin 112, lower fixture block 12 can be postponed, and to realize upper and lower fixture block 11,12 spacing adjustable in the second bearing pin 112 slippages, the second bearing pin 112 is positioned on the axle body of below of lower fixture block 12 and is disposed with pad, axle sleeve, the second stage clip, compression spring sleeve, and compression spring sleeve and the second bearing pin are threaded engagement, base 10 also comprises first quarter moon dish 13, the first cylinder 20 is fixed on a side panel face of first quarter moon dish 13, the fit opposite side card setting of first quarter moon dish 13 of upper fixture block 11, first quarter moon dish 13 is hinged by jointed shaft 14 with upper fixture block 11, on first quarter moon dish 13, offer arcuate groove 131, the axle core of jointed shaft 14, the center of circle of arcuate groove 131 all overlaps with the center of circle of first quarter moon dish 13, arcuate groove 131 runs through the card setting of first quarter moon dish 13, be revealed on upper fixture block 11 bodies at arcuate groove 131 places and be provided with screw rod 113, screw rod 113 is parallel with jointed shaft 14, screw rod 113 passes and postpones a side of the first cylinder 20 is set to first quarter moon dish 13 in arcuate groove 131, the end that suspends of screw rod 113 is provided with screw thread handle 15, screw thread handle 15 and first quarter moon dish 13 form and first quarter moon dish 13 are fixed in upper jaws 11 when coordinating.After arranging like this, first quarter moon dish 13 can rotate relative to upper fixture block 11, and other the fixing parts of the first cylinder 20 and the first cylinder 20 rear ends that make to be fixed on first quarter moon dish 13 can rotate together, have increased the range of accommodation of this device.The position of first quarter moon dish 13 generally just regulates before operation, ensures that the A of endoscope or other mini-plants are in suitable position; In operation, the adjusting of endoscope A or other mini-plant particular locations all completes by the steering unit of linking arm.
Claims (10)
1. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment, it is characterized in that: comprise base (10), hold mirror unit (60), described base (10) is for being fixed on this device the workbench on beside sickbed edge or sick bed side, hold mirror unit (60) for helping endoscope or other mini-plants (A), hold mirror unit (60) and be fixed on base (10) by linking arm; On described linking arm, be provided with one or more steering unit, steering unit comprises the bulb that drum and drum bung place arrange, bulb is provided with collar stop (72) and air ring (71) apart from the both sides at the shaft core line maximum position place of drum with core, collar stop (72) is near drum head one side layout, and described air ring (71) is made up of nylon material; Collar stop (72) and air ring (71) are that curved surface is for helping bulb to make bulb freely to rotate the free adjustment that realizes linking arm around the centre of sphere with the face that bulb fits, drum and bulb enclose in the cavity that forms after charged pressure gas, and air ring (71) is subject to bulb extruding and holds bulb tightly and realize the fixing of linking arm attitude.
2. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 1, is characterized in that: the bung place of described drum is provided with lid, lid and drum threaded engagement; Described collar stop (72) is fixed in drum and the periphery wall of collar stop (72) and the inwall of drum fit, and air ring (71) is arranged in and covers, and covers and offers through hole, and the spherical calotte position of bulb is being emerging in outside through hole.
3. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 2, it is characterized in that: described linking arm comprises first and second cylinder (20,40) and first connecting rod (30), first and second cylinder (20,40) is barrel-shaped, first connecting rod (30) is hook solid and its two ends arrange respectively first and second bulb (31,32), and first and second bulb (31,32) forms described steering unit with first and second cylinder (20,40) respectively; It is upper that the first cylinder (20) is fixed on base (10), and the second cylinder (40) cylinder bottom one side is fixedly connected with the described mirror unit (60) of holding.
4. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 3, it is characterized in that: the diameter of described the first cylinder (20) is greater than the diameter of the second cylinder (40), the diameter of first and second bulb (31,32) coincide with the diameter of first and second cylinder (20,40) respectively; Described the first cylinder (20) cylinder bottom one side offers the air inlet that is communicated with the first cylinder (20) inner chamber, and the second cylinder (40) cylinder bottom one side offers the air vent that is communicated with the second cylinder (40) inner chamber; Described first connecting rod (30) is hollow form and the inner chamber that is communicated with first and second cylinder (20,40) via the through hole on first and second bulb (31,32).
5. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 4, it is characterized in that: described first, two cylinders (20, 40) in, be respectively arranged with first, two sliding sleeves (21, 41), first, two sliding sleeves (21, 41) external diameter is respectively with first, two cylinders (20, 40) internal diameter matches, the first dividing plate (22) is set in the first sliding sleeve (21) the first cylinder (20) is separated into independent of each other first, two chambers (23, 24), air inlet is communicated with the first chamber (23), the first bulb (31) is arranged in the second chamber (24), second partition (42) is set in the second sliding sleeve (41) the second cylinder (40) is separated into third and fourth chamber (43,44), air vent is communicated with the 4th chamber (44), and the second bulb (32) is arranged in the 3rd chamber (43), in described first connecting rod (30), be provided with tubule (33), 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 communicated with first, fourth chamber (23,44), second and third chamber (24,43) is connected by the gap between first connecting rod (30) and tubule (33), and the 3rd chamber (43) is communicated with the 4th chamber (44).
6. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 5, it is characterized in that: the second sliding sleeve (41) is positioned on the tube wall of the 3rd chamber (43) and offers passage (411), on the face that the second sliding sleeve (41) and the second cylinder (40) inwall fit, offer shallow slot (412); One end of described shallow slot (412) is positioned at passage (411) and locates, the other end of shallow slot (412) extends to the second sliding sleeve (41) and is positioned at the end of the 4th chamber (44), and the 4th chamber (44) is communicated with the 3rd chamber (43) by shallow slot (412), passage (411).
7. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 6, it is characterized in that: on the cylinder bottom of described the first cylinder (20), offer through hole, in through hole, be plugged with the first pipe (25), the first pipe (25) is arranged with core with the first cylinder (20); One end that the first pipe (25) is positioned at the first cylinder (20) is resisted against the first dividing plate (22) above, and the first pipe (25) other end extends to the first cylinder (20) outside and this end seals by pressure release bolt (26); Be positioned between the tube wall of the first pipe (25) of the first cylinder (20) and the inwall of the first cylinder (20) and be provided with sealing gasket, be positioned on the tube wall of outer the first pipe (25) of the first cylinder (20) and be provided with for the lock-screw (27) of fixing described pressure release bolt (26) and for connecting the snap joint (28) of high-pressure gas pipeline, the built-in check valve of snap joint (28) prevents gas backflow.
8. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as claimed in claim 6, it is characterized in that: in described the 4th inner chamber (44), be furnished with the second pipe (45), the second pipe (45) is arranged with core with the second cylinder (40), one end of described the second pipe (45) is fixed on the cylinder bottom of the second cylinder (40), and the other end of the second pipe (45) extends towards second partition (42) one sides; On the second pipe (45), be arranged with piston (46), piston (46) forms slippage with the second pipe (45) and coordinates, piston (46) is straight length away from second partition (42) one sides, straight length is arranged with stage clip (47) outward, one end of stage clip (47) is resisted against on piston (46), the other end of stage clip (47) is resisted against on spring base (48), spring base (48) is and between circular and its inwall and piston (46), exists gap to form current path, and the work elastic force of stage clip (47) is resisted against piston (46) on second partition (42); On the face that piston (46) and second partition (42) lean, close on through hole stepped hole is set, piston (46) will be positioned at the 4th outer cavity (44) of the second pipe (45) and be divided into first and second capacitor (441,442); Described the second cylinder (40) cylinder bottom center arrangement has air bleeding valve (401), and the second pipe (45) stops gas to flow to the second capacitor (442) by the inner chamber of the second pipe (45) near being provided with check valve (49) on the tube wall of air bleeding valve (401) one sides.
9. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as described in claim 8 any one, it is characterized in that: described the second cylinder (40) by second connecting rod (50) with hold mirror unit (60) and be connected, second connecting rod (50) comprises straight tube, and the two ends of straight tube are fixedly connected with respectively holds mirror unit (60) and linking arm; In straight tube, be provided with solution lock unit, the switching of air bleeding valve (401) on release unit controls linking arm, separates the solution shank of the key of lock unit and is positioned at and holds mirror unit (60) and locate.
10. the pneumatic arm fixture for fast clamp Minimally Invasive Surgery apparatus or equipment as described in claim 3-9 any one, it is characterized in that: described base (10) comprises fixture block (11), lower fixture block (12), upper fixture block (11) entirety is downward opening spill, and lower fixture block (12) is arranged in the recess of fixture block, horizontally disposed the first bearing pin (111) in the recess of upper fixture block (11), be revealed on the first bearing pin (111) axle body in recess and be hinged with the second bearing pin (112), first, two bearing pins (111, 112) be arranged vertically, on lower fixture block (12), offering through hole passes through for the second bearing pin (112), lower fixture block (12) can be postponed in the second bearing pin (112) slippage realization, lower fixture block (11, 12) spacing is adjustable, the second bearing pin (112) is positioned on the axle body of below of lower fixture block (12) and is disposed with pad, axle sleeve, the second stage clip, compression spring sleeve, compression spring sleeve and the second bearing pin are threaded engagement, base (10) also comprises first quarter moon dish (13), the first cylinder (20) is fixed on a side panel face of first quarter moon dish (13), the opposite side card of upper fixture block (11) laminating first quarter moon dish (13) arranges, first quarter moon dish (13) is hinged by jointed shaft (14) with upper fixture block (11), on first quarter moon dish (13), offer arcuate groove (131), the axle core of jointed shaft (14), the center of circle of arcuate groove (131) all overlaps with the center of circle of first quarter moon dish (13), arcuate groove (131) runs through the card setting of first quarter moon dish (13), be revealed on upper fixture block (11) body that arcuate groove (131) locates and be provided with screw rod (113), screw rod (113) is parallel with jointed shaft (14), screw rod (113) passes and postpones a side of the first cylinder (20) is set to first quarter moon dish (13) in arcuate groove (131), the end that suspends of screw rod (113) is provided with screw thread handle (15), screw thread handle (15) and first quarter moon dish (13) form and first quarter moon dish (13) are fixed in upper jaws (11) when coordinating.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103932802A true CN103932802A (en) | 2014-07-23 |
| CN103932802B CN103932802B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138451.1A Active 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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| CN (1) | CN103932802B (en) |
Cited By (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 |
| CN106562866A (en) * | 2016-09-06 | 2017-04-19 | 南方医科大学南方医院 | Omnibearing mechanical arm with simulation palm, applied to neuro-endoscope |
| WO2017161791A1 (en) * | 2016-03-25 | 2017-09-28 | 深圳市兼明科技有限公司 | Fixing means for steering and moving endoscope support |
| CN109109329A (en) * | 2018-07-24 | 2019-01-01 | 中航沈飞民用飞机有限责任公司 | A kind of envelope riveting tool and envelope rivetting method suitable for technique for aircraft composite vertical tail wing box |
| CN110693546A (en) * | 2019-09-11 | 2020-01-17 | 丁起武 | Bulb pressure locking device and medical support with same |
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| US5020933A (en) * | 1989-09-01 | 1991-06-04 | Andronic Devices, Ltd. | Locking mechanism for medical devices |
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Cited By (7)
| 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 |
| WO2017161791A1 (en) * | 2016-03-25 | 2017-09-28 | 深圳市兼明科技有限公司 | Fixing means for steering and moving endoscope support |
| CN106562866A (en) * | 2016-09-06 | 2017-04-19 | 南方医科大学南方医院 | Omnibearing mechanical arm with simulation palm, applied to neuro-endoscope |
| 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 |
| CN109109329A (en) * | 2018-07-24 | 2019-01-01 | 中航沈飞民用飞机有限责任公司 | A kind of envelope riveting tool and envelope rivetting method suitable for technique for aircraft composite vertical tail wing box |
| 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 |
| CN110693546A (en) * | 2019-09-11 | 2020-01-17 | 丁起武 | Bulb pressure locking device and medical support with same |
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|---|---|
| CN103932802B (en) | 2016-06-08 |
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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 |