CN209404878U - A kind of lifting arm - Google Patents

A kind of lifting arm Download PDF

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Publication number
CN209404878U
CN209404878U CN201821897686.9U CN201821897686U CN209404878U CN 209404878 U CN209404878 U CN 209404878U CN 201821897686 U CN201821897686 U CN 201821897686U CN 209404878 U CN209404878 U CN 209404878U
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CN
China
Prior art keywords
hole
flexible connector
clamping part
attachment base
lifting arm
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Active
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CN201821897686.9U
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Chinese (zh)
Inventor
郭晓伟
候西龙
蒙顺政
左思浩
柳俊先
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Shenzhen Robo Medical Technology Co Ltd
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Shenzhen Robo Medical Technology Co Ltd
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Priority to CN201821897686.9U priority Critical patent/CN209404878U/en
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Abstract

The utility model relates to field of medical device, disclose a kind of lifting arm, and lifting arm includes: the clamping part for executing holding action;Flexible connector, flexible connector are connect with clamping part, and flexible connector is flexible under external force, and external force removal after can elastic reset to drive clamping part to move;Actuator is connect with clamping part, actuator can the movement of relative resilient connector to drive clamping part folding to execute holding action;And driving rope, it is connect with flexible connector, driving rope is for applying external force to flexible connector.The utility model is on the basis of realizing lifting clamping function, can also due to flexible connector elastic reaction and its influence by endoscope strenuous exercise is effectively reduced, the stability of lifting function is effectively ensured, lifting arm is avoided to tear mucous membrane, and then while guaranteeing the surgical effect of endoscope, mitigate the ailing sense of sufferer.

Description

A kind of lifting arm
Technical field
The utility model relates to field of medical device to be specifically related to more particularly, to digestive endoscopy field of surgical A kind of lifting arm.
Background technique
Traditional endoscopic inferior mucosa stereotomy (ESD operation) is to be completed with the help of digestive endoscopy by Gastroenterology dept. doctor pair The cutting operation of lesion mucous membrane.Most of endoscope on the market is the endoscope of single instrument channel at present, can only be met pair The cutting of lesion mucous membrane can not realize pull lift action when cutting to it, therefore to doctor individual in entire surgical procedure Technical ability and skill requirement are very high, increase the complication risk and operating time of operation.
To solve the above problems, presently, there are a variety of mechanical arms that mucous membrane lifting function may be implemented, and by mechanical arm with Endoscope is used cooperatively, but since violent movement can occur in the course of surgery for endoscope, also will drive mechanical arm hair in this way Raw movement by a relatively large margin, the mucous membrane generation that it will so lifted is serious to tear, and not only affects the operation of endoscope Effect, while also having deepened the ailing sense of sufferer.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of lifting arm.For solving existing lifting arm shadow It rings the surgical effect of endoscope, deepen the problems such as ailing sense of sufferer.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of lifting arm, comprising:
For executing the clamping part of holding action;
Flexible connector, flexible connector are connect with clamping part, and flexible connector is flexible under external force, and outside Power removal after can elastic reset to drive clamping part to move;
Actuator is connect with clamping part, actuator can the movement of relative resilient connector to drive clamping part folding to hold Row holding action;And
Driving rope, connect with flexible connector, and driving rope is for applying external force to flexible connector.
Mode as a further improvement of the foregoing solution, flexible connector include elastic portion and are mounted on elastic portion one end Interconnecting piece, clamping part are installed on interconnecting piece, and elastic portion is in the strip tubular structure with inner passage, and elastic portion is at it Radial to have elasticity, actuator is placed in inner passage, and can move along the length direction relative resilient portion of elastic portion.
Mode as a further improvement of the foregoing solution, clamping part include the first clamping limb, the second clamping limb, the first connection Arm and the second linking arm, the first clamping limb, the second clamping limb are rotatablely connected with flexible connector respectively, and the first clamping limb and the Two clamping limbs intersect setting, and the first clamping limb, the second clamping limb are rotatablely connected with interconnecting piece respectively in intersection, the The both ends of one linking arm are rotatablely connected with the first clamping limb, actuator respectively, and the both ends of the second linking arm are clamped with second respectively Arm, actuator rotation connection.
Mode as a further improvement of the foregoing solution, driving rope are two, and the end of two driving ropes is all connected to connect In the peripheral wall surfaces of socket part, to form two tie points, wherein the central axes of the lines of two tie points and flexible connector are not In parallel.
The central axes of mode as a further improvement of the foregoing solution, two tie points and flexible connector are coplanar with, And two tie points are axisymmetricly arranged about the central axes of flexible connector.
Mode as a further improvement of the foregoing solution further includes attachment base, offers first on an end face of attachment base Hole offers the second hole on other end, and the first hole and the second hole are interconnected and are coaxially disposed, and flexible connector can be worn First hole and the second hole, clamping part can be contained in the second hole, and third hole is also provided on attachment base, and attachment base is run through in third hole Both ends of the surface, and drive rope can wear third hole.
Mode as a further improvement of the foregoing solution, driving rope and third hole are respectively two, and two driving ropes are one by one Correspondence is arranged in third hole, on the end face that the second hole is offered on attachment base, in the center in two third holes and the second hole Line between the heart can surround triangle jointly.
Mode as a further improvement of the foregoing solution, the axis in two third holes is parallel with the axis in the second hole, and two The axis in a third hole is equal to the distance between the axis in the second hole.
Mode as a further improvement of the foregoing solution is also provided with the 4th hole for installing endoscope on attachment base, The both ends of the surface of attachment base are run through in 4th hole, and its axis is parallel with the axis in the second hole, the axis in the 4th hole and the axis in third hole The distance between line is less than the distance between the axis in the 4th hole and the axis in the second hole.
Mode as a further improvement of the foregoing solution further includes at least one of following proposal:
Connectivity slot is also provided on one end face of attachment base, one end of connectivity slot is connected to third hole, the other end and second Hole connection;
The side wall of attachment base is equipped with drainage hole, and the 4th hole, the second hole, third hole are connected to drainage hole respectively;
Attachment base is in have transparent configuration flexible.
A kind of control method based on above-mentioned lifting arm, which comprises the following steps:
It is synchronous to push flexible connector, actuator and driving rope, so that clamping part is close to object;
Pull driving rope, driving rope band dynamic elasticity connector bending, so that clamping part is deviated to object;
Actuator is pushed or pull on, actuator drives clamping part closure or openness, to carry out clipping operation to object.
Mode as a further improvement of the foregoing solution pulls driving rope, and driving rope band dynamic elasticity connector is bent, so that In the step of clamping part is deviated to target position:
If pulling two equal or unequal distances of drivings rope simultaneously, flexible connector can be between two drivings ropes Any direction bending;Alternatively,
If simply pulling on one in two driving ropes, curving of the flexible connector to the driving rope being pulled.
The beneficial effects of the utility model are:
In the utility model, clamping part is connected to can be to drive rope by pulling on the flexible connector of elastic bending It drives the flexible connector to object curving, and makes flexible connector drive clamping part close to object, and then driving Clamping part folding is set to realize holding action under the action of moving part.In this way, above-mentioned lifting arm is on the basis for realizing lifting clamping function On, additionally it is possible to due to flexible connector elastic reaction and its influence by endoscope strenuous exercise is effectively reduced, effectively protect The stability for demonstrate,proving lifting function avoids lifting arm from tearing mucous membrane, and then while guaranteeing the surgical effect of endoscope, Mitigate the ailing sense of sufferer.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the stereoscopic schematic diagram of the utility model one embodiment;
Fig. 2 is the decomposition diagram of the utility model one embodiment;
Fig. 3 is the schematic diagram of the utility model clamping part one embodiment;
Fig. 4 is the enlarged diagram of a-quadrant in Fig. 1;
Fig. 5 is the stereoscopic schematic diagram that the utility model attachment base shows front end face;
Fig. 6 is the stereoscopic schematic diagram that the utility model attachment base shows rear end face;
Fig. 7 is the front view of the utility model attachment base.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature, It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this The descriptions such as up, down, left, right, before and after used in utility model are only relative to each composition portion of the utility model in attached drawing For the mutual alignment relation divided.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without It is to limit the utility model.Term " and or " used herein includes appointing for one or more relevant listed items The combination of meaning.
Referring to Fig.1, Fig. 2 respectively illustrates the stereoscopic schematic diagram of the lifting arm 10 of the utility model one embodiment and divides Solve schematic diagram.As shown, the lifting arm 10 of the present embodiment includes clamping part 11, flexible connector 12, actuator 13, driving rope 14 and attachment base 15.Wherein, clamping part 11 is used to execute the holding action to tissues such as mucous membranes, clamping part 11 and driving Rope 14 is connect with flexible connector 12 respectively, and flexible connector 12 can bend under the pulling force effect of driving rope 14, and It is resetted under natural resiliency effect after pulling force effect removal, to drive the Multidirectional motion of clamping part 11.Actuator 13 and clamping Portion 11 connects, and 13 relative resilient connector 12 of actuator is moved to drive clamping part 11 to be opened and closed, so that clamping part 11 be made to hold Row holding action.Attachment base 15 is for being sheathed on endoscope 19, to realize the connection of lifting arm 10 and endoscope 19.
In the utility model, clamping part 11 is connected to can be to be driven on the flexible connector 12 of elastic bending by pulling Running rope 14 drives flexible connector 12 to object curving, and flexible connector 12 is made to drive clamping part 11 by close-target Object, and then so that the folding of clamping part 11 is realized holding action under the action of actuator 13.In this way, above-mentioned lifting arm 10 is mentioned in realization On the basis of drawing clamping function, additionally it is possible to due to flexible connector 12 elastic reaction and that it is effectively reduced is violent by endoscope The stability of lifting function is effectively ensured in the influence of movement, avoids lifting arm 10 from tearing mucous membrane, and then peep in guarantee While the surgical effect of mirror 19, mitigate the ailing sense of sufferer.
Further, the lifting arm 10 in the utility model largely reduces existing lifting arm structure is complicated journey Degree, reduces costs, while decreasing the operation difficulty of medical staff, convenient for lifting the popularization and use of arm.
Each component of lifting arm 10 is specifically described below.
Referring to Fig. 3, the schematic diagram of one embodiment of the utility model clamping part 11 is shown.As shown, clamping part 11 include the first clamping limb 111, the second clamping limb 112, the first linking arm 113 and the second linking arm 114, the first clamping limb 111, Second clamping limb 112 arranged in a crossed manner is in " X " character form structure, and the two can rotate around the shaft of infall, the shaft and meanwhile with bullet Property connector 12 connect so that the first clamping limb 111, the second clamping limb 112 can relative resilient connector 12 rotate.
The head end of the head end of first clamping limb 111 and the second clamping limb 112 is respectively equipped with tooth, to enhance clamping part 11 to people The holding capability of body tissue.The rotation connection of the head end of the tail end of first clamping limb 111 and the first linking arm 113, the second clamping limb The rotation connection of the head end of 112 tail end and the second linking arm 114, the tail end of the first linking arm 113 and the tail of the second linking arm 114 End is rotatablely connected with actuator 13, in this way, clamping part 11 is openable or closure with the movement of actuator 13.
The elongated column structure of actuator 13 in the present embodiment, actuator 13 are rigidity on along its length , it will not shorten in length under thrust or length elongation under a stretching force, in this way, the opening or closure of clamping part 11 It is controlled by the push-and-pull action of actuator 13.Meanwhile actuator 13 also has flexibility, with can be with the bending of flexible connector 12 And it is bent.It, can also be between the first clamping limb 111, the second clamping limb 112 in the other embodiments of the utility model The elastic components such as torsional spring, spring are set, and actuator 13 can be only used for the opening of driving clamping part 11, the closure of clamping part 11 at this time Driving force is provided by elastic component.
Referring to Fig.1, Fig. 4, Fig. 4 show the enlarged diagram of a-quadrant in Fig. 1.As shown, the elasticity in the present embodiment Connector 12 includes the interconnecting piece 121 of elastic portion 122 with the end for being mounted on elastic portion 122, and wherein elastic portion 122 is that bullet occurs Property curved part, interconnecting piece 121 is then to realize that flexible connector 12 and clamping part 11, driving are restricted 14 parts connecting.Specifically , the first clamping limb 111,112 infall of the second clamping limb above-mentioned shaft be mounted on interconnecting piece 121 so that the first clamping limb 111, the second clamping limb 112 can the rotation of opposing connections 121.Interconnecting piece 121 is also distinguished close to the two sides of one end of elastic portion 122 It is fixed with driving rope 14, by pulling driving rope 14 to drive elastic portion 122 to be bent, so as to realize the multidirectional of clamping part 11 Movement.
In the present embodiment, driving rope 14 is two, and the end of two driving ropes 14 is all connected to the peripheral wall surfaces of interconnecting piece 121 On, to form two tie points altogether with interconnecting piece 121, wherein the line of two tie points and the central axes of flexible connector 12 It is not parallel.In this way, flexible connector 12 will be to the region bends between two driving ropes 14 when pulling two driving ropes 14.
Specifically, the central axes of two tie points and flexible connector 12 are coplanar with, and two tie points connect about elasticity The central axes of fitting 12 are axisymmetricly arranged, in this way, can be convenient for the control of lifting arm 10.
In the present embodiment, elastic portion 122 is bourdon tube etc. with elasticity and with the tubular body of inner passage, actuator 13 It is arranged in the inner passage of elastic portion 122, and can be by driving clamping part 11 to open and close along the axial movement of the elastic portion 122. Actuator 13 is flexible, so as to bending synchronous with elastic portion 122.
The three-dimensional signal on 15 different directions of the utility model attachment base is respectively illustrated referring to Fig. 5 to Fig. 7, Fig. 5, Fig. 6 Figure, Fig. 7 show the front view of the utility model attachment base 15.As shown, attachment base 15 has both ends of the surface, setting wherein one End face is front end face, and other end is rear end face, then, is offered on the rear end face of attachment base 15 for installing flexible connector 12 The first hole 152, the second hole 153 for placing clamping part 11, the first hole 152 and 153 phase of the second hole are offered on front end face Connection and keeping coaxial, the diameter in the second hole 153 is greater than the first hole 152, in order to when advancing along body cavities, clamping part 11 It can be contained in the second hole 153, prevent the front end face beyond attachment base 15 and body cavities is caused to be damaged.
In addition, being also provided with third hole 154 on attachment base 15, the both ends of the surface of attachment base 15 are run through in third hole 154, and drive Rope 14 can wear third hole 154.Since third hole 154 deviates from the second hole 153, when pulling driving rope 14, the second hole 153 Interior flexible connector 12 can drive clamping part 11 deviate the second hole 153 axis, and to close to third hole 154 a lateral bending It is bent.
Further, third hole 154 is two, on the end face that the second hole 153 is offered on attachment base 15, that is, is being connected On the front end face of seat 15, the line between the center in two third holes 154 and the center in the second hole 153 can surround triangle jointly Shape, i.e., the center in two third holes 154 is not conllinear with the center in the second hole 153, and a driving is respectively worn in two third holes 154 Rope 14, when pulling two driving ropes 14, flexible connector 12 is able to drive the region between two driving ropes 14 of clamping part 11 Interior any direction bending.For example, pull at the same time two drivings restrict 14 it is equal or unequal apart from when, 12 energy of flexible connector Enough any direction bendings between two driving ropes 14;Or when simply pulling on driving rope 14, flexible connector 12 is to quilt The curving of the driving rope 14 of pulling.In this way, clamping part 11 can be realized to multiple sides by pulling two driving ropes 14 To deflection.
In addition, the axis in two third holes 154 is parallel with the axis in the second hole 153, the axis in two third holes 154 is arrived The distance between the axis in the second hole 153 is equal, so, it is possible by realizing to being precisely controlled for driving 14 pull distances of rope Accurate control to 11 position of clamping part.
In one embodiment, the 4th hole 151 for installing endoscope 19 is offered on attachment base 15, the 4th hole 151 is passed through The both ends of the surface of attachment base 15 are worn, the axis in the 4th hole 151 and the axis in the second hole 153 are arranged in parallel.The axis in the 4th hole 151 with The distance between the axis in third hole 154 less than the axis in the 4th hole 151 and the distance between the axis in the second hole 153, in this way, After endoscope 19 is installed in the 4th hole 141, the driving rope 14 in third hole 154 is pulled, the elasticity in the second hole 153 can be made Connector 12 drives clamping part 11 to deflect to the direction close to endoscope 19, cuts away in order to clamping part 11 to endoscope 19 Mucous membrane carries out lifting operation.
On this basis, as shown in fig. 7, two third holes 154 are located at the axle center and the 4th hole 151 in the second hole 153 Axle center between line two sides, and be axisymmetricly arranged about the line.In this way, pull two driving ropes synchronous When 14, flexible connector 12 can be made to drive clamping part 11 to 151 curving of the 4th hole, at the same also can to endoscope 19 and Relative position between clamping part 11 is precisely controlled, and two third holes 154 can efficiently use the second hole 153 and Space between four holes 151 makes attachment base 15 have lesser diameter in the case where meeting use.
Further, connectivity slot 156, one end and third hole of connectivity slot 156 are also provided on the front end face of mounting base 15 154 connections, the other end are connected to the second hole 153, and two third holes 154 are respectively connected by a connectivity slot 156 and the second hole 153 It is logical, after clamping part 11 is contained in the second hole 153, to drive on rope 14 close to the portion of interconnecting piece 121 on flexible connector 12 Dividing can be accommodated in connectivity slot 156.
In conjunction with Fig. 1, Fig. 2, the present embodiment further includes the first outer tube 16, Yi Jitao for being set in 12 outside of flexible connector It is located at second outer tube 17 in 14 outside of driving rope, flexible connector 12 can be with respect to the first outer tube 16 along first outer tube 16 Axial movement, driving rope 14 can be with respect to the second outer tube 17 along the axial movement of second outer tube 17.Outer tube is on the one hand Flexible connector 12, driving rope 14 can be protected, on the other hand can also prevent flexible connector 12, driving rope 14 it Between wind.Specifically, one end of the first outer tube 16 is mounted in the first hole 152 by connector 18, two second housings Pipe 17 is each passed through the third hole 154 of two sides.
Flexible connector 12, clamping part 11 and 14 entirety that is constituted of driving rope can with respect to 15 advanced in unison of attachment base, So that flexible connector 12, clamping part 11 and driving rope 14 stretch out the front end face of attachment base 15 and reach target position.Elasticity is even The entirety that fitting 12, clamping part 11 and driving rope 14 are constituted synchronous with respect to attachment base 15 can retreat, so that clamping part 11 is received It is dissolved in the second hole 153.Clamping part 11 is hidden in the second hole 153, and 11 endoscopically 19 of clamping part is avoided to enter body cavities When tissue is damaged.
Attachment base 15 is made of transparent flexible material, and is equipped with chamfering in front end face, can avoid causing body cavities It scratches, transparent attachment base 15 can prevent the light issued to headlamp on endoscope 19 from blocking, to expand illumination model It encloses.Drainage hole 155, the 4th hole 151, the second hole 153 and third hole 154 are offered on the side wall of front end face on attachment base 15 It is connected to drainage hole 155, deposition of the liquid in 19 front end of endoscope when can prevent from rinsing camera lens on endoscope 19.Such as Fig. 5 institute Show, specifically in the present embodiment, attachment base 15 is in hollow thin-wall construction at one section of front end face, and drainage hole 155 is located at thin-walled On, the 4th hole 151, the second hole 153, third hole 154 and the drainage hole 155 preceding endface on attachment base 15 so can be realized It is interconnected.
It, can be in the premise for the structure for not changing existing endoscope 19 by the 4th hole 151 being arranged on attachment base 15 The lower connection for realizing lifting arm 10 and endoscope 19, and then the universality of lifting arm 10 is improved, be conducive to the popularization for lifting arm 10. When attachment base 15 is fixed on endoscope 19, the first outer tube 16, the second outer tube 17 can be fixed on adhesive tape etc. is crossed On endoscope 19, the first outer tube 16, the second outer tube 17 is avoided to be subjected to displacement and damage tissue.
The invention also discloses a kind of lifting arm control methods based on above-mentioned lifting arm 10, specifically include following step Suddenly.
Control to clamping part feeding: it is synchronous to push flexible connector, actuator and driving rope, so that clamping part is close to mesh Mark object;
Control to clamping part rotation direction: the driving rope is pulled, it is curved that the driving rope band moves the flexible connector Song, so that the clamping part is deviated to object;
Control to clamping part folding: pushing or pull on the actuator, and the actuator drives the clamping part to open Or closure, to carry out clipping operation to object.
Further, in the case where driving is restricted there are two 14, the control to clamping part rotation direction includes following manner:
1, as shown in Figure 1, two drivings rope 14 is pulled to move equal or unequal distances simultaneously, then 12 energy of flexible connector Enough region bends between two driving ropes 14, flexible connector 12 drive clamping part 11 close to target position.Work as driving After the pulling force of rope disappears, clamping part 11 resets under the elastic force effect of flexible connector 12.
2, the unilateral driving rope 14 of control pulls set distance, and flexible connector 12 is to the side for the driving rope 14 being pulled Bending, and then drive clamping part 11 close to target position;After the pulling force of driving rope 14 disappears, clamping part 11 is in elastic connection The elastic force effect of part 12 is lower to be resetted.
It is understood that flexible connector 12 can be made by adjusting pull direction, the pull distance etc. of driving rope 14 Drive clamping part 11 towards any direction rotation between two sides driving rope 14.
Two, include following manner to the control of clamping part direction of feed:
It is whole mobile relative to attachment base 15 to control clamping part 11, flexible connector 12, actuator 13 and driving rope 14, i.e., in fact It moves in existing clamping part 11 direction arrow C along Fig. 1.
Three, include following manner to the control of clamping part folding:
13 relative resilient connector 12 of actuator along flexible connector 12 axial movement, with drive clamping part 11 open or Closure is to execute holding action.
It is illustrating for progress to be implemented to the preferable of the utility model, but the invention is not limited to the reality above Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.

Claims (10)

1. a kind of lifting arm characterized by comprising
For executing the clamping part of holding action;
Flexible connector, the flexible connector are connect with the clamping part, flexible connector bendable under external force Song, and after external force removal can elastic reset to drive the clamping part to move;
Actuator is connect with the clamping part, the actuator can flexible connector movement relatively to drive the folder Portion's folding is held to execute holding action;And
Driving rope, connect with the flexible connector, and the driving rope is for applying the external force to the flexible connector.
2. lifting arm according to claim 1, which is characterized in that the flexible connector includes elastic portion and is mounted on institute The interconnecting piece of elastic portion one end is stated, the clamping part is installed on the interconnecting piece, and the elastic portion is in inner passage Strip tubular structure, and the elastic portion has elasticity in its radial direction, the actuator is placed in the inner passage, and energy Enough relatively described elastic portions of length direction along the elastic portion move.
3. lifting arm according to claim 2, which is characterized in that the clamping part includes the first clamping limb, the second clamping Arm, the first linking arm and the second linking arm, first clamping limb, second clamping limb turn with the flexible connector respectively Dynamic connection, and first clamping limb and second clamping limb intersect setting, and first clamping limb, described second Clamping limb is rotatablely connected with the interconnecting piece respectively in intersection, and the both ends of first linking arm are pressed from both sides with described first respectively Gripping arm, actuator rotation connection, the both ends of second linking arm turn with second clamping limb, the actuator respectively Dynamic connection.
4. lifting arm according to claim 2, which is characterized in that the driving rope is two, what two drivings were restricted End is all connected in the peripheral wall surfaces of the interconnecting piece, to form two tie points, wherein the line of two tie points It is not parallel with the central axes of the flexible connector.
5. lifting arm according to claim 4, which is characterized in that in two tie points and the flexible connector Axis co-planar setting, and two tie points are axisymmetricly arranged about the central axes of the flexible connector.
6. lifting arm according to claim 1, which is characterized in that further include attachment base, on an end face of the attachment base The first hole is offered, the second hole is offered on other end, first hole and second hole are interconnected and are coaxially disposed, The flexible connector can wear first hole and second hole, and the clamping part can be contained in second hole, Third hole is also provided on the attachment base, the both ends of the surface of the attachment base are run through in the third hole, and driving rope can Wear the third hole.
7. lifting arm according to claim 6, which is characterized in that the driving is restricted and the third hole is respectively two, Two driving ropes correspond and are arranged in the third hole, and the end face in second hole is offered on the attachment base On, the line between the center in two third holes and the center in second hole can surround triangle jointly.
8. lifting arm according to claim 7, which is characterized in that the axis in two third holes with second hole Axis it is parallel, the axis in two third holes is equal to the distance between the axis in second hole.
9. lifting arm according to claim 6, which is characterized in that be also provided on the attachment base for installing endoscope The 4th hole, the 4th hole runs through the both ends of the surface of the attachment base, and its axis is parallel with the axis in second hole, described The distance between the axis in the 4th hole and the axis in the third hole are less than the axis in the 4th hole and the axis in second hole The distance between line.
10. lifting arm according to claim 9, which is characterized in that further include at least one of following proposal:
Connectivity slot is also provided on one end face of the attachment base, one end of the connectivity slot is connected to the third hole, another End is connected to second hole;
The side wall of the attachment base be equipped with drainage hole, the 4th hole, second hole, the third hole respectively with the row Water hole connection;
The attachment base is in have transparent configuration flexible.
CN201821897686.9U 2018-11-16 2018-11-16 A kind of lifting arm Active CN209404878U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109381244A (en) * 2018-11-16 2019-02-26 深圳市罗伯医疗科技有限公司 A kind of lifting arm and its control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109381244A (en) * 2018-11-16 2019-02-26 深圳市罗伯医疗科技有限公司 A kind of lifting arm and its control method

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