Summary of the invention
The purpose of the present invention is to provide one kind can prevent maloperation, facilitates the surgical instruments for reducing operation risk.
In order to achieve the above object, the technical solution adopted in the present invention is as follows: a kind of surgical instruments, including handle groupPart, the Handleset include position fixing handle and firing handle, and the surgical instruments further includes described in limitation in the initial stateThe supporting element that firing handle is rotated towards the position fixing handle direction, the supporting element rotationally with the position fixing handle or describedOne of firing handle is connected, and is arranged between the supporting element and the position fixing handle or the firing handle flexiblePart, after original state or the firing handle reset, the elastic component drive the supporting element support the position fixing handle orThe firing handle wherein another；The supporting element be equipped be held in the position fixing handle or the firing handle wherein itThe supporting surface of another lateral surface and the actuation part being arranged close to the supporting surface, the actuation part drive the supporting element de-From the position fixing handle or the firing handle wherein another；The supporting element is linear；The supporting element release withThe firing handle against when around the position fixing handle rotation direction of rotation and the percussion rotation direction phase of the firing handleInstead；Alternatively, the supporting element release with the firing handle against when around the direction of rotation that the position fixing handle rotates with it is describedThe percussion rotation direction of firing handle is identical.
Further, fixing axle is provided in the firing handle, the elastic component is set in the fixing axle, describedThe axis hole with fixing axle cooperation is offered on supporting element.
Further, the elastic component is torsional spring.
Further, the containing cavities for storing the supporting element are offered in the firing handle.
Further, the firing handle includes force application board and from the two sides of the force application board towards the position fixing handle directionThe side plate extended to form, the force application board and the side plate, which enclose, to be set to form the containing cavities, and the containing cavities run through the forcePlate.
Further, the position fixing handle have make the supporting element against butting section；The butting section is to be formed inWaved surface on the position fixing handle；The butting section is shaped on the position fixing handle；Alternatively, the butting section is singleIt is fixed on the position fixing handle after alone becoming type.
Further, the waved surface has the bump towards firing handle direction projection, the supporting elementIt supports on the butting section above the bump.
Further, the actuation part is oblique concave surface.
Further, the actuation part is groove.
Further, fixing axle is provided on the position fixing handle, the elastic component is set in the fixing axle, describedThe axis hole with fixing axle cooperation is offered on supporting element.
Further, the elastic component is torsional spring.
According to the above aspect of the present invention, the present invention has at least the following advantages: surgical instruments of the invention by position fixing handle andThe supporting element that setting limitation firing handle is rotated towards position fixing handle direction between firing handle facilitates to prevent maloperationReduce operation risk.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.It is retouched in of the inventionIn stating, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower","front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axisTo ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only forConvenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific sidePosition is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importanceOr implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed orImplicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, threeIt is a etc., unless otherwise specifically defined.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understandFor limitation of the present invention.
Referring to Figure 1 and Fig. 2, surgical instruments 200 shown in one embodiment of the invention includes Handleset 40, is arranged in handLower clamp plate component (not labeled) in handle component 40, the shaft member 50 connecting with the lower clamp plate component and it is set to the barThe end effector 60 of 50 one end of body component.The lower clamp plate component, the structure of shaft member 50 and lower clamp plate component and shaftThe connection type of component 50, the connection type of lower clamp plate component and Handleset 10, shaft member 50 and Handleset 10 companyIt is same as the prior art to connect mode, so it will not be repeated.The Handleset 40 include closing lower clamp plate component head shell 41,It is connect with the lower clamp plate component to link and make the position fixing handle 43 and lower clamp plate of the closure of end effector 60 and then position tissueComponent connects and by driving the lower clamp plate component that the end effector 60 is driven to realize suture and/or cutting tissueFiring handle 44 and fixed handle 45.The position fixing handle 43, firing handle 44 and fixed handle 45 are located at head shell 41Lower section, which is fixed on head shell 41, and position fixing handle 43 and firing handle 44 pass through under head shell 41The opening of side is connect with lower clamp plate component.The fixed handle 45 and firing handle 44 are oppositely arranged on the position fixing handle 43Two sides.The surgical instruments further includes the supporting element that limitation firing handle 44 is rotated towards 43 direction of position fixing handle in the initial state42, the branch rotated by the way that limitation firing handle 44 is arranged between position fixing handle 43 and firing handle 44 towards 43 direction of position fixing handleSupport member 42 helps to reduce operation risk to prevent maloperation.The supporting element 42 rotationally with the firing handle 44It is connected.The supporting element 42 is rotated around firing handle 44, which can be for upward or downward, when specifically usedWait, by rotation direction be appointed as upwards (that is: supporting element 42 release with the position fixing handle 43 against when around the firing handle 44The direction of rotation of rotation is identical as the percussion rotation direction of the firing handle 44, is all counterclockwise in Fig. 2).It is describedElastic component 46 is provided between supporting element 42 and firing handle 44, the original state or multiple in firing handle 44 before percussionBehind position, 46 driving support member 42 of elastic component supports position fixing handle 43.Supporting element 42 can be made not by the elastic component 46When percussion, position fixing handle 43 is supported always, to prevent 44 mistakenly hit of firing handle from sending out, in addition, after the completion of percussion, firing handle 44Reset, the supporting element 42 under the action of elastic component 46 towards 43 direction of position fixing handle rotate to support position fixing handle 43 again, fromAnd it is again prevented from 44 mistakenly hit of firing handle hair.In the present embodiment, the elastic component 46 is torsional spring.The torsional spring 46, percussion handThe fixed form of handle 44 and supporting element 42 is as follows: referring to fig. 2, fixing axle 47, the torsional spring is fixed in the firing handle 4446 are set in the fixing axle 47, and the axis hole 48 with the fixing axle 47 cooperation, the torsion are offered on the supporting element 42One end of spring 46 is fixed or is overlapped in fixing axle 47 or one end of the torsional spring 46 is fixed or is overlapped in firing handle 44,The other end of the torsional spring 46 is fixed or is overlapped on supporting element 42.
It refers to Fig. 2 and combines Fig. 1, in the present embodiment, the firing handle 44 has handle housing 441 and is mounted onTwo trigger shafts 442 in handle housing 441, two trigger shafts 442 are connect with lower clamp plate component.On the handle housing 441The containing cavities (not labeled) for storing the supporting element 42 is offered, specific: the handle housing 441 includes 4411 He of force application boardTwo side plates 4412 extended to form from the two sides of the force application board 4411 towards 43 direction of position fixing handle, the force application board 4411 withTwo side plates 4412, which enclose, to be set to form the containing cavities, and for the opening of the containing cavities towards position fixing handle 13, the containing cavities run through instituteForce application board 4411 is stated, in the present embodiment, the containing cavities through part force application board 4411 is opened to be formed on force application board 4411Mouth 4413, support rod 42 when rotated, may pass through the opening 4413.Each trigger shaft 442 respectively corresponds a side plate 4412 and setsIt sets, and each trigger shaft 442 is secured on its corresponding side plate 4412.Through-hole 4421 is offered on each trigger shaft 442.InstituteThe one end for stating fixing axle 47 is fixed on a side plate 4412 by the through-hole 4421 on a trigger shaft 442, the fixing axle47 other end is fixed on another side plate 4412 by the through-hole 4421 on another trigger shaft 442.Really, the containing cavitiesCan be not through the force application board 4411, or in other embodiments, which can be not arranged in handle housing 441Inside, but the outside of handle housing 441 is set.
Fig. 2 is referred to, in the present embodiment, one end of the supporting element 42 supports position fixing handle 43.The position fixing handle43 have towards the butting section 432 of the firing handle 44, and the supporting element 42 supports on the butting section 432, described to supportRelying part 432 is waved surface, and the waved surface 432 has the bump 4321 towards 44 direction projection of firing handle, describedSupporting element 42 supports on the butting section 432 of 4321 upside of the bump, by being arranged supporting element 42 in protrusionDivide 4321 top, that is, so that the bump 4321 is held supporting element 42 in the lower section of supporting element 42, to prevent firing handle44 move down because of gravity or other external force and relative positioning handle 43, or even are detached from position fixing handle 43.In the present embodiment, shouldButting section 432 is the wavy surface being formed on position fixing handle 43, which is a part of force surface 431, the force surface431 are applied the part of external force for position fixing handle 43, and the external force may make position fixing handle 43 to act and then make end effector60 closures are to position tissue.In other embodiments, the butting section can be integrally formed on the position fixing handle, orPerson is fixed on the position fixing handle after the butting section is separately formed.
In the present embodiment, due to the supporting element 42 release with the position fixing handle 43 against when around the firing handleThe direction of rotation of 44 rotations is identical as the percussion rotation direction of the firing handle 44, therefore, it is described for the ease of user's operationSupporting element 42 is equipped with the supporting surface 422 for supporting the position fixing handle 43, and actuation part 421 is set to the lower part of supporting surface 422, describedActuation part 421 is the oblique concave surface being recessed upwards, and the actuation part 421 is arranged close to supporting surface 422, above-mentioned " upward " and " lower part "Shown direction based on supporting element 42 in Fig. 2 by it is horizontal when upper and lower direction.
Above-mentioned surgical instruments 200 is not in the initial state (when firing), and supporting element 42 is under the action of torsional spring 46, supporting element42 with position fixing handle 43 and the relatively transverse setting of firing handle 44, at this point, the supporting surface 422 of supporting element 42 is supported in position fixing handleOn 43 butting section 432.When surgical instruments 200 needs to fire, firstly, applying in the actuation part 421 of supporting element 42 upwardExternal force (twisting resistance that the external force overcomes torsional spring 46), driving support member 42 is axle center with respect to 44 turns of firing handle with fixing axle 47Dynamic, supporting surface 422 is separated with butting section 432, and deformation occurs for torsional spring 46；Then, then firing handle 44 is pulled, drives firing handle44 rotate towards 43 direction of position fixing handle, until percussion is completed；After the completion of percussion, firing handle 44 resets, and is applied to supporting elementExternal force on 42 is removed, and supporting element 42 rotates under the action of torsional spring 46 towards 43 direction of position fixing handle, until supporting element 42 supportsIt holds face 422 and supports butting section 432 again.
Fig. 3 is referred to, surgical instruments 300 and surgical instruments structure shown in embodiment one shown in the present embodiment two are basicIdentical, distinctive points are: set when one, using: the supporting element 70 release with position fixing handle 90 against when around firing handle 80The direction of rotation of rotation and the percussion rotation direction of firing handle 80 are on the contrary, the distinctive points can be by adjusting torsional spring (not shown)Installation direction or adjust the modes such as position between supporting element 70 and firing handle 80 and realize；Two, the cause on supporting element 70The position in portion 71 is moved, the actuation part 71 of the supporting element 70 in the present embodiment is set to the top of supporting element 70, the actuation part 71For the groove of opening upwards, recess is formed downwards for the upper surface 72 of the 71 self-supporting part 70 of groove, by the groove 71 to facilitateApply downward power to supporting element 70.It is horizontal that direction shown in above-mentioned " top ", " upward " and " downward " is based on supporting element 70 in Fig. 3Upper and lower direction when setting.
Above-mentioned surgical instruments 300 is not in the initial state (when firing), and supporting element 70 is under the action of torsional spring, supporting element 70With position fixing handle 90 and the relatively transverse setting of firing handle 80, at this point, the supporting surface 73 of supporting element 70 is supported in position fixing handle 90Butting section 91 on.When surgical instruments 300 needs to fire, firstly, applying in the actuation part 71 of supporting element 70 downward outerPower (twisting resistance that the external force overcomes torsional spring), driving support member 70 are (not shown) for opposite 80 turns of the firing handle in axle center with fixing axleDynamic, so that supporting surface 73 is separated with butting section 91, deformation occurs for torsional spring at this time；Then, then firing handle 80 is pulled, driving firesHandle 80 is rotated towards 90 direction of position fixing handle, until percussion is completed；After the completion of percussion, firing handle 80 resets, and is applied to branchExternal force in support member 70 is removed, and supporting element 70 rotates under the action of torsional spring towards 90 direction of position fixing handle, until supporting element 70Supporting surface 73 supports butting section 91 again.
In addition to above-described embodiment two and embodiment three, supporting element can also be movably arranged on position fixing handle, that is, supportedPart is rotationally connected with position fixing handle, rotates supporting element relative positioning handle, supporting element supports firing handle, to reachTo identical effect.Equally can be using fixed axis connection between supporting element and position fixing handle, and equally pass through elastic component and keepState of the supporting element when not firing, it may be assumed that elastic component (can be torsional spring) is provided between the supporting element and position fixing handle,After original state or firing handle reset, the elastic component driving support member supports firing handle；It is arranged on the position fixing handleThere is fixing axle, the elastic component is set in the fixing axle, and the axis with fixing axle cooperation is offered on the supporting elementHole.And the direction of rotation of supporting element equally can using upwards (that is: the supporting element release with the firing handle against when aroundThe direction of rotation of the position fixing handle rotation is opposite with the percussion rotation direction of the firing handle) and (that is: the described support downwardsPart release with the firing handle against when around the position fixing handle rotation direction of rotation and the firing handle percussion turnDynamic direction is identical) two ways.
In summary: above-mentioned surgical instruments between position fixing handle and firing handle by being arranged limitation firing handle towards calmlyThe supporting element of position handle orientations rotation helps to reduce operation risk to prevent maloperation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connectIt connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be withIt is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this fieldFor those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be withIt is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature existsSecond feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative ofFirst feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically showThe description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or examplePoint is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are notIt must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in officeIt can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this fieldArt personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examplesIt closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is exampleProperty, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentionedEmbodiment is changed, modifies, replacement and variant.