CN205286512U

CN205286512U - A sight for pelvis internal fixation

Info

Publication number: CN205286512U
Application number: CN201520433647.3U
Authority: CN
Inventors: 张立海; 唐佩福; 胡磊; 赵晶鑫; 郭娜; 卞庆武
Original assignee: BEIJING DEKANGJIAN MEDICAL TECHNOLOGY Co Ltd
Current assignee: Anhui Aikesuo Medical Robot Co ltd
Priority date: 2015-03-11
Filing date: 2015-06-24
Publication date: 2016-06-08
Anticipated expiration: 2025-06-24
Also published as: CN104905870A; CN104905870B; CN205286513U

Abstract

The utility model relates to a sight for pelvis internal fixation, it includes setting element and adjustment mechanism. The setting element has the direction through -hole that supplies the mark needle to pass. Adjustment mechanism has with self around the rotatory setting element that drives of the axis of ordinates around the rotatory vertical rotating assembly of the axis of ordinates, with self around the rotatory setting element that drives of cross axle around the rotatory horizontal rotating assembly of cross axle and drive setting element along vertical translation subassembly and horizontal translation subassembly vertical and lateral shifting respectively. Vertical extending direction with horizontal plane that constitutes and direction through -hole is the contained angle. Position hollow rivet's implantation target spot can be confirmed at supplementary doctor's rapidogen under the less condition of radiation number of times to this sight.

Description

For sight fixing in pelvis

Technical field

This utility model relates to a kind of surgical instruments, particularly relates to a kind of for sight fixing in pelvis.

Background technology

Fracture operation in orthopaedics is generally divided into two processes, respectively reseting procedure and fixation procedure. Reseting procedure refers to and the fracture Ipsilateral broken ends of fractured bone (part being namely subjected to displacement) is returned to home position, and fixation procedure is to be fixed by screw and strong side by the Ipsilateral broken ends of fractured bone resetted.

In fixation procedure, it is necessary to using sight to find needs fixing inserting needle path. Additionally, in fixation procedure, due to the particularity of pelvis bone type, the produced projection of position, positive side perspective of standard, as identification difficulty, is therefore generally adopted outlet position and entrance bit image positions judgement a little. Wherein, during the shooting of pelvic inlet bit slice, bulb is to head inclination 45 ��, and during the shooting of inferior pelvic aperture bit slice, bulb rearwardly tilts 45. Outlet position is vertical with the perspective plane of entrance position.

Patent CN201022710Y discloses a kind of basin three-dimensional sighting device, the feature of this basin three-dimensional sighting device at X to scale bar, Y-direction scale bar two is inner to be coordinated by P locating pin axle is dynamic, two outer ends connect respectively X locating pin is set, Y locating pin, reference screw front end and P locating pin top are connected, the socket of reference screw front portion arranges parallel sleeve, parallel sleeve is connected cooperation with drill bushing, the socket of reference screw rear portion arranges forward support block, aft support block, X is to scale bar, on Y-direction scale bar, socket arranges X locating piece respectively, Y locating piece, forward support block, aft support block is respectively through front rod, rear connecting rod and X locating piece, Y locating piece is connected. this basin three-dimensional sighting device structure is complicated, it is necessary to using 3-D view CT, in art, the general hospital of CT does not have, and popularization degree is not high, CT 3-D view cannot real-time judge position, the human body situation after reset relatively resets front difference, and inserting needle path can change. therefore, this three-dimensional aiming device complicated operation and can not being accurately positioned.

Patent CN102579126A discloses a kind of transdermal screw fixation in vitro sighting device for treating pelvic fracture. Its structure is the left upper end of U-shaped demarcation printing opacity framework is nail point sight, centre is the left guide pin passage of level, the upper right side of U-shaped demarcation printing opacity framework is entry point sight, centre is the inner sleeve passage of level, U-shaped demarcation printing opacity frame left wall, right side wall are respectively provided with demarcation hole, demarcate bar and be fixed on U-shaped demarcation printing opacity framework through demarcating hole, inner sleeve inserts in entry point sight through inner sleeve passage, left fixation guide pin inserts in left guide pin passage, right fixation guide pin inserts in inner sleeve through right guide pin passage, and right guide pin passage is arranged in inner sleeve.Although the defect such as the invention solves cost height that 3-dimensional image guider exists, operating time length, accuracy be low. But this sight does not have scale, lack and adjust foundation; Need limited otch, wound can be increased; Position is complicated, not easily operates.

Patent CN204016466U discloses a kind of omnipotent guider of pelvis exterior fixation bracket, and this omnipotent guider of pelvis exterior fixation bracket includes the localizer of angle adjustable, External fixation screw sleeve, protractor; Described localizer is arranged on the home position of protractor, and angle can regulate, and described External fixation screw sleeve is arranged on localizer, the radial direction of External fixation screw telescopic spindle vector hornwork. This omnipotent guider of pelvis exterior fixation bracket, the preoperative angle of inclination measuring ala of ilium on patient's CT sheet, localizer and External fixation screw sleeve are adjusted to required angle, just quickly and accurately External fixation screw can be implanted pelvis, improve the accuracy that External fixation screw is implanted, simplify operation process. But, this guider needs to use 3-D view CT, and in art, the general hospital of CT does not have, and popularization degree is not high; Device cannot be fixed, it is difficult to CT Registration of Measuring Data.

Additionally, in the fixing operation of pelvis, traditional method doctor and patient will be exposed under X-ray radiation for a long time, cause relatively large radiation injury.

To sum up, in pelvis internal fixation operation, need badly at present and a kind of in the radiation less situation of number of times, can quickly be accurately positioned implantation target spot and sight simple to operate by assist physician.

Utility model content

For Problems existing in correlation technique, the purpose of this utility model be in that to provide a kind of can in the radiation less situation of number of times assist physician be quickly accurately positioned implant target spot and simple to operate for pelvis in fixing sight.

For achieving the above object, this utility model provides a kind of for sight fixing in pelvis, including: keeper, there is the guide through hole for labelling pin traverse; Governor motion, the longitudinal rotary components have self rotarily driving transverse rotation assembly that keeper rotates around transverse axis around transverse axis, rotarily driving keeper with self around the longitudinal axis and rotating around the longitudinal axis and be held in position part static relative to vertical and horizontal rotary components in the way of drive keeper to move along the vertical and lateral respectively longitudinal translation assembly and transverse translation assembly; Wherein, the bearing of trend of the plane that vertical and horizontal are constituted and guide through hole is angle.

According to this utility model, keeper coordinates and detachably connected with it with a plug in longitudinal translation assembly, transverse translation assembly, longitudinal rotary components and transverse rotation assembly; Keeper is configured to handle-shaped.

According to this utility model, keeper includes body and the first plug portion, wherein, is provided through hole to constitute described handle-shaped in body, and guide through hole and the first plug portion are positioned at the both sides of through hole; The assembly coordinated with keeper plug in longitudinal translation assembly, transverse translation assembly, longitudinal rotary components and transverse rotation assembly is provided with the second plug portion, and the second plug portion coordinates with the plug of the first plug portion.

According to this utility model, the first plug portion is the projection protruded by body, and the second plug portion is hole; The protrusion direction in the bearing of trend of guide through hole, the bearing of trend of through hole and the first plug portion is vertical between two each other.

According to this utility model, transverse rotation assembly coordinates with keeper plug and connected in the way of driving keeper to rotate around transverse axis; Longitudinal rotary components is to drive transverse rotation assembly to rotate also around the longitudinal axis and then to drive keeper to be connected with transverse rotation assembly in the way of longitudinal axis rotation; Transverse translation assembly by drive longitudinal rotary components to laterally move and and then be connected with longitudinal direction rotary components in the way of driving transverse rotation assembly and keeper to laterally move; Longitudinal translation assembly is to drive transverse translation assembly to move longitudinally and and then to drive longitudinal rotary components, transverse rotation assembly and keeper to be connected with transverse translation assembly in the way of moving longitudinally.

According to this utility model, longitudinal translation assembly includes the first longitudinally arranged chute, the first slide block being slidably disposed in the first chute, the first rotating part and is connected to the first screw pair therebetween in the way of the rotation by the first rotating part is converted to the slip of the first slide block, wherein, the first slide block is connected in the way of driving transverse translation assembly to move longitudinally;And/or transverse translation assembly includes the second chute transversely arranged, the second slide block being slidably disposed in the second chute, the second rotating part and is connected to the second screw pair therebetween in the way of the rotation by the second rotating part is converted to the slip of the second slide block, wherein, the second slide block is connected in the way of driving longitudinal rotary components to laterally move.

According to this utility model, longitudinal translation assembly includes the first longitudinally arranged chute, the first slide block being slidably disposed in the first chute, the first rotating part and is connected to the first screw pair therebetween in the way of the rotation by the first rotating part is converted to the slip of the first slide block, wherein, the first slide block is connected in the way of driving transverse translation assembly to move longitudinally.

According to this utility model, transverse translation assembly includes the second chute transversely arranged, the second slide block being slidably disposed in the second chute, the second rotating part and is connected to the second screw pair therebetween in the way of the rotation by the second rotating part is converted to the slip of the second slide block, wherein, the second slide block is connected in the way of driving longitudinal rotary components to laterally move.

According to this utility model, longitudinal translation assembly also includes two clutch shaft bearings and corresponding two clutch shaft bearing seats, wherein, the two ends of the leading screw in the first screw pair are a sheathed clutch shaft bearing and corresponding clutch shaft bearing seat respectively, and two clutch shaft bearing seats are connected with the two ends of the first chute respectively; And/or longitudinal translation assembly also includes the first connecting plate of connection the first slide block and transverse translation assembly; And/or transverse translation assembly also includes two the second bearings and corresponding two the second bearing blocks, wherein, the two ends of the leading screw in the second screw pair are sheathed second bearing and corresponding second bearing block respectively, and two the second bearing blocks are connected with the two ends of the second chute respectively; And/or transverse translation assembly also includes connection the second slide block and the second connecting plate of longitudinal rotary components.

According to this utility model, longitudinal translation assembly also includes two clutch shaft bearings and corresponding two clutch shaft bearing seats, wherein, the two ends of the leading screw in the first screw pair are a sheathed clutch shaft bearing and corresponding clutch shaft bearing seat respectively, and two clutch shaft bearing seats are connected with the two ends of the first chute respectively.

According to this utility model, longitudinal translation assembly also includes the first connecting plate connecting the first slide block and transverse translation assembly.

According to this utility model, transverse translation assembly also includes two the second bearings and corresponding two the second bearing blocks, wherein, the two ends of the leading screw in the second screw pair are sheathed second bearing and corresponding second bearing block respectively, and two the second bearing blocks are connected with the two ends of the second chute respectively.

According to this utility model, transverse translation assembly also includes the second connecting plate connecting the second slide block and longitudinal rotary components.

According to this utility model, longitudinal rotary components include can around the first rotating part that the longitudinal axis rotates, by make the first rotating part can be set in the way of rotating wherein and moving with it the first shell on the first rotating part and the screw in the first shell screws and selectively against and depart from first screw element of periphery wall of the first rotating part, wherein, first rotating part is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it, and transverse translation assembly is connected in the way of driving the first shell transverse shifting;And/or transverse rotation assembly include can around the second rotating part that transverse axis rotates, by make the second rotating part can be set in the way of rotating wherein and moving with it the second housing on the second rotating part and the screw in second housing screws and selectively against and depart from second screw element of periphery wall of the second rotating part, wherein, second rotating part is connected in the way of driving keeper to rotate with it, and longitudinal rotary components is connected in the way of driving second housing to rotate with it.

According to this utility model, longitudinal rotary components include can around the first rotating part that the longitudinal axis rotates, by make the first rotating part can be set in the way of rotating wherein and moving with it the first shell on the first rotating part and the screw in the first shell screws and selectively against and depart from the first screw element of the first rotating part, wherein, first rotating part is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it, and transverse translation assembly is connected in the way of driving the first shell transverse shifting.

According to this utility model, transverse rotation assembly include can around the second rotating part that transverse axis rotates, by make the second rotating part can be set in the way of rotating wherein and moving with it the second housing on the second rotating part and the screw in second housing screws and selectively against and depart from the second screw element of the second rotating part, wherein, second rotating part is connected in the way of driving keeper to rotate with it, and longitudinal rotary components is connected in the way of driving second housing to rotate with it.

According to this utility model, first rotating part includes the first dialing knob that can rotate around the longitudinal axis, connected first knob base in the way of rotating with the first dialing knob, and by with first knob base rotation in the way of connected graduated disc, first shell includes the first rotary sleeve constituting its periphery wall and the first knob connector constituting its diapire, wherein, first casing is located on the first knob base and graduated disc and the first dialing knob are positioned at the two opposite sides of the first shell, first knob base has shaft part, shaft part connects through the first knob connector and the first dialing knob, graduated disc is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it, and/or second rotating part include can around transverse axis rotate the second dialing knob, by with second dialing knob rotation in the way of connected second knob base and by with second knob base rotation in the way of connected clamp base, clamp base is provided with scale, transverse rotation assembly also includes the fixture being arranged in clamp base to rotate with clamp base, first plug portion is the projection protruded by body, and the second plug portion is hole, hole is arranged in fixture, projection is contained in hole and by clamp, second housing includes the second rotary sleeve constituting its periphery wall and the second knob connector constituting its diapire, wherein, second housing is set on the second knob base and clamp base and the second dialing knob are positioned at the two opposite sides of second housing, second knob base has shaft part, and shaft part connects through the second knob connector and the second dialing knob.

According to this utility model, first rotating part includes the first dialing knob that can rotate around the longitudinal axis, connected first knob base in the way of rotating with the first dialing knob, and by with first knob base rotation in the way of connected graduated disc, graduated disc is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it, first shell includes the first rotary sleeve constituting its periphery wall and the first knob connector constituting its diapire, wherein, first casing is located on the first knob base and graduated disc and the first dialing knob are positioned at the two opposite sides of the first shell, first knob base has shaft part, shaft part connects through the first knob connector and the first dialing knob.

According to this utility model, first rotating part include can around the longitudinal axis rotate the first dialing knob, by with first dialing knob rotation in the way of connected first knob base and by with first knob base rotation in the way of connected graduated disc, graduated disc is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it.

According to this utility model, first shell includes the first rotary sleeve constituting its periphery wall and the first knob connector constituting its diapire, wherein, first casing is located on the first knob base and graduated disc and the first dialing knob are positioned at the two opposite sides of the first shell, first knob base has shaft part, and shaft part connects through the first knob connector and the first dialing knob.

According to this utility model, second rotating part include can around transverse axis rotate the second dialing knob, by with second dialing knob rotation in the way of connected second knob base and by with second knob base rotation in the way of connected clamp base, clamp base is provided with scale, transverse rotation assembly also includes the fixture being arranged in clamp base to rotate with clamp base, first plug portion is the projection protruded by body, and the second plug portion is hole; Hole is arranged in fixture, projection is contained in hole and by clamp, second housing includes the second rotary sleeve constituting its periphery wall and the second knob connector constituting its diapire, wherein, second housing is set on the second knob base and clamp base and the second dialing knob are positioned at the two opposite sides of second housing, second knob base has shaft part, and shaft part connects through the second knob connector and the second dialing knob.

According to this utility model, second rotating part include can around transverse axis rotate the second dialing knob, by with second dialing knob rotation in the way of connected second knob base and by with second knob base rotation in the way of connected clamp base, clamp base is provided with scale, transverse rotation assembly also includes the fixture being arranged in clamp base to rotate with clamp base, first plug portion is the projection protruded by body, and the second plug portion is hole; Hole is arranged in fixture, and projection is contained in hole and by clamp.

According to this utility model, second housing includes the second rotary sleeve constituting its periphery wall and the second knob connector constituting its diapire, wherein, second housing is set on the second knob base and clamp base and the second dialing knob are positioned at the two opposite sides of second housing, second knob base has shaft part, and shaft part connects through the second knob connector and the second dialing knob.

According to this utility model, longitudinal rotary components also includes the first L-shaped connecting plate, its first branch with at right angles connection and the second branch, wherein, transverse translation assembly is connected with the first branch in the way of driving the first L-shaped connecting plate to laterally move, and the second branch is connected with the first shell in the way of making the first shell with the first L-shaped connecting plate transverse shifting; And/or longitudinal direction rotary components also includes the second L-shaped connecting plate, its the 3rd branch with at right angles connection and the 4th branch, 3rd branch is connected in the way of making the second L-shaped connecting plate with the first rotating part rotation, and the 4th branch is connected with transverse rotation assembly in the way of making transverse rotation assembly with the second L-shaped connecting plate rotation.

According to this utility model, longitudinal rotary components also includes the first L-shaped connecting plate, its first branch with at right angles connection and the second branch, wherein, transverse translation assembly is connected with the first branch in the way of driving the first L-shaped connecting plate to laterally move, and the second branch is connected with the first shell in the way of making the first shell with the first L-shaped connecting plate transverse shifting.

According to this utility model, longitudinal rotary components also includes the second L-shaped connecting plate, its the 3rd branch with at right angles connection and the 4th branch, 3rd branch is connected in the way of making the second L-shaped connecting plate with the first rotating part rotation, and the 4th branch is connected with transverse rotation assembly in the way of making transverse rotation assembly with the second L-shaped connecting plate rotation.

Compared to prior art, the invention have the benefit that

The sight for fixing in pelvis of the present invention, keeper therein has the guide through hole for labelling pin traverse. The governor motion of this sight has longitudinal rotary components, transverse rotation assembly, longitudinal translation assembly and transverse translation assembly. Longitudinal rotary components rotarily drives keeper with self around the longitudinal axis and rotates around the longitudinal axis, transverse rotation assembly rotarily drives keeper with self around transverse axis and rotates around transverse axis, longitudinal translation assembly by be held in position part static relative to vertical and horizontal rotary components in the way of drive keeper to move longitudinally, transverse translation assembly by be held in position part static relative to vertical and horizontal rotary components in the way of drive keeper to laterally move. Wherein, the bearing of trend of the plane that vertical and horizontal are constituted and guide through hole is angle. In operation process, the first step, dispose sight, make sight the same with the placing attitude of C-arm, horizontal and vertical (horizontal direction that namely keeper 5 does the longitudinal direction vertically moved and keeper 5 laterally moves) determined plane of sight and the sagittal plane angle at 45 �� of human body, then labelling pin is inserted guide through hole, it is ensured that just, position, side is it can be seen that the labelling of labelling pin. Second step, adopts the X-ray of C-arm shooting outlet position, plans the position into nail point, and by the position of transverse rotation assembly and longitudinal translation assembly adjustment keeper, namely have adjusted guide through hole and the position of labelling pin on X-ray. 3rd step, adopts the X-ray of C-arm shooting entrance position, plans the position into nail point, and by the position of longitudinal rotary components and transverse translation assembly adjustment keeper, namely have adjusted guide through hole and the position of labelling pin on X-ray. 4th step, implants guide pin.

In the present invention, have employed two vertical planes and determine the principle of three-dimensional straight line. Image according to two upright projections is adjusted the keeper pose in each shadow face respectively and (is regulated the position of keeper by transverse rotation assembly and longitudinal translation assembly according to the X-ray of outlet position, X-ray according to entrance position regulates the position of keeper by longitudinal rotary components and transverse translation assembly), thus, it is determined that the implantation path of guide pin. Specifically, control keeper adjustment in one degree of freedom respectively by these 4 assemblies of longitudinal rotary components, transverse rotation assembly, longitudinal translation assembly and transverse translation assembly, realize keeper adjustment on 4 degree of freedom. So can assist physician quickly, be accurately positioned hollow nail and implant target spot and attitude, reduce operating time, and without significantly reduction taking x-rays number of times, and then reduce the injury to doctor and patient. Further, these 4 assemblies are regulated to realize the sequencing of the adjustment of 4 degree of freedom pose on keeper without impact. Therefore, this sight is easy and simple to handle, it is to avoid re-adjustments to 4 degree of freedom, and then reduces operating time.

Accompanying drawing explanation

Fig. 1 is the structural representation of an embodiment for sight fixing in pelvis of the present utility model, and wherein, keeper and governor motion are not connected with;

Fig. 2 is the structural blast figure of the longitudinal translation assembly of the sight in Fig. 1;

Fig. 3 is the structural blast figure of the transverse translation assembly of the sight in Fig. 1;

Fig. 4 is the structural blast figure of longitudinal rotary components of the sight in Fig. 1;

Fig. 5 is the structural blast figure of the transverse rotation assembly of the sight in Fig. 1;

Fig. 6 is the schematic perspective view of the keeper of the sight in Fig. 1;

Fig. 7 is the installation position schematic diagram in operation of the sight in Fig. 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model detailed description of the invention is described.

Referring to figs. 1 through Fig. 7, an embodiment for sight fixing in pelvis of the present utility model, it includes keeper 5 and governor motion. Keeper 5 has guide through hole 501, and in operation, labelling pin is through guide through hole 501, and thus, labelling pin is played positioning action by guide through hole 501. Governor motion has longitudinal translation assembly 1, transverse translation assembly 2, longitudinal rotary components 3 and transverse rotation assembly 4. Wherein, transverse rotation assembly 4 rotarily drives keeper 5 with self around transverse axis and rotates around transverse axis, and namely transverse rotation assembly 4 drives keeper 5 to rotate around transverse axis by self around the rotation of transverse axis. Wherein, transverse rotation assembly self around transverse axis the part rotated to be in this assembly or all part do the rotation around transverse axis. Longitudinal rotary components 3 rotarily drives keeper 5 with self around the longitudinal axis and rotates around the longitudinal axis, and namely longitudinal rotary components 3 drives keeper 5 to rotate around the longitudinal axis by self around the rotation of the longitudinal axis. Wherein, longitudinal rotary components self around the longitudinal axis the part rotated to be in this assembly or all part do the rotation around the longitudinal axis. Longitudinal translation assembly 1 by be held in position part 5 static relative to longitudinal rotary components 3 and transverse rotation assembly 4 in the way of drive keeper 5 to move longitudinally, namely longitudinal translation assembly 1 drives keeper 5 to move longitudinally, and ensures that in this process vertically moved keeper 5 is static (namely keeper 5 neither relatively rotates also not relative movement about transverse rotation assembly 4 and longitudinal rotary components 3) relative to transverse rotation assembly 4 and longitudinal rotary components 3. Transverse translation assembly 2 by be held in position part 5 static relative to longitudinal rotary components 3 and transverse rotation assembly 4 in the way of drive keeper 5 to laterally move, namely transverse translation assembly 2 drives keeper 5 to laterally move, and ensures that in the process of this transverse shifting keeper 5 is static (namely keeper 5 neither relatively rotates also not relative movement about transverse rotation assembly 4 and longitudinal rotary components 3) relative to transverse rotation assembly 4 and longitudinal rotary components 3. In addition, the bearing of trend (i.e. the direction of insertion of labelling pin) of guide through hole 501, say, that there is between the plane that the horizontal direction that the direction of insertion of labelling pin is and keeper 5 does the longitudinal direction vertically moved and keeper 5 laterally moves is constituted the angle of non-zero-degree. It is appreciated that, under common situation, in operation process, the direction of insertion of labelling pin will not along above-mentioned transverse direction and above-mentioned longitudinal direction, namely, under common situation, in operation process, the plane that the bearing of trend (i.e. the direction of insertion of labelling pin) of guide through hole 501 and vertical and horizontal are constituted is angle.

Wherein, " longitudinal direction " and " transverse direction " mentioned in this utility model is all come directed with reference to Fig. 1, namely, in Fig. 1, longitudinal translation assembly 1 drives the direction that keeper 5 moves to be " longitudinal direction " (representing with " Y " in FIG), and in Fig. 1, transverse translation assembly 2 drives the direction that keeper 5 moves to be " transverse direction " (representing with " X " in FIG).And the axis that the longitudinal axis is when to be longitudinal rotary components 3 rotate, transverse axis is the transverse rotation assembly 4 axis when rotating. Axis oriented normal is in above-mentioned transverse direction, and transverse axis is perpendicular to above-mentioned longitudinal direction.

The first step, dispose sight as shown in Figure 7, make sight the same with the placing attitude of C-arm, horizontal and vertical (horizontal direction that namely keeper 5 does the longitudinal direction vertically moved and keeper 5 laterally moves) determined plane of sight and sagittal plane (marking with " the A ") angle at 45 �� of human body, then labelling pin is inserted guide through hole 501, it is ensured that just, position, side is it can be seen that the labelling of labelling pin. Second step, adopts the X-ray of C-arm shooting outlet position, plans the position into nail point, and by the position of transverse rotation assembly and longitudinal translation assembly adjustment keeper, namely have adjusted guide through hole 501 and the position of labelling pin on X-ray. 3rd step, adopts the X-ray of C-arm shooting entrance position, plans the position into nail point, and by the position of longitudinal rotary components and transverse translation assembly adjustment keeper, namely have adjusted guide through hole 501 and the position of labelling pin on X-ray. 4th step, implants guide pin.

Additionally, in this utility model, have employed two vertical planes and determine the principle of three-dimensional straight line. Adjust the keeper pose on each perspective plane respectively according to two upright projection images and (regulated the position of keeper by transverse rotation assembly and longitudinal translation assembly according to the X-ray of outlet position, X-ray according to entrance position regulates the position of keeper by longitudinal rotary components and transverse translation assembly), thereby determine that the implantation path of guide pin. Specifically, control the keeper 5 adjustment in one degree of freedom respectively by longitudinal rotary components 3, transverse rotation assembly 4, longitudinal translation assembly 1 and these 4 assemblies of transverse translation assembly 2, realize the keeper 5 adjustment on 4 degree of freedom. So can assist physician quickly, be accurately positioned hollow nail and implant target spot and attitude, simple to operate, reduce operating time, and without significantly reduction taking x-rays number of times, and then reduce the injury to doctor and patient. Further, these 4 assemblies are regulated to realize the sequencing of the adjustment of 4 degree of freedom pose on keeper 5 without impact. Therefore, this sight is easy and simple to handle, it is to avoid re-adjustments to 4 degree of freedom, and then reduces operating time.

Specifically, with reference to Fig. 1, in the present embodiment, transverse rotation assembly 4 is to drive keeper 5 to be connected with keeper 5 in the way of transverse axis rotation, namely, transverse rotation assembly 4 is connected with keeper 5, and self is passed to keeper 5 around the rotation of transverse axis so that keeper 5 rotates also around transverse axis, and then, guide through hole 501 is rotated also around transverse axis, namely makes the insertion path of labelling pin rotate around transverse axis.

Longitudinal rotary components 3 is to drive transverse rotation assembly 4 to rotate also around the longitudinal axis and then to drive keeper 5 to be connected with transverse rotation assembly 4 in the way of longitudinal axis rotation, namely, longitudinal rotary components 3 is connected with transverse rotation assembly 4, and self is passed to transverse rotation assembly 4 around the rotation of the longitudinal axis so that transverse rotation assembly 4 rotates around the longitudinal axis, and owing to transverse rotation assembly 4 is connected with keeper 5, and be further driven to keeper 5 and rotate around the longitudinal axis, and then guide through hole 501 is rotated also around the longitudinal axis, namely the insertion path making labelling pin rotates around the longitudinal axis. in other words, longitudinal rotary components 3 drives keeper 5 to rotate around the longitudinal axis by transverse rotation assembly 4 indirectly, and in this rotary course, keeper 5 static relative to transverse rotation assembly 4 (namely keeper 5 does not also rotate about transverse rotation assembly 4 is neither mobile).

Transverse translation assembly 2 by drive longitudinal rotary components 3 to laterally move and and then be connected with longitudinal direction rotary components 3 in the way of driving transverse rotation assembly 4 and keeper 5 to laterally move, namely, transverse translation assembly 2 is connected with longitudinal rotary components 3, and drive longitudinal rotary components 3 to laterally move, and it is connected with transverse rotation assembly 4 due to longitudinal rotary components 3 and transverse rotation assembly 4 is connected with keeper 5, and it is further driven to transverse rotation assembly 4 and keeper 5 laterally moves, and then guide through hole 501 is also laterally moved, namely the insertion path making labelling pin laterally moves. in other words, transverse translation assembly 2 drives keeper 5 to laterally move by longitudinal rotary components 3 and transverse rotation assembly 4 indirectly, and in this transverse shifting process, keeper 5 static relative to longitudinal rotary components 3 and transverse rotation assembly 4 (namely keeper 5 neither rotates also do not move relative to longitudinal rotary components 3 and transverse rotation assembly 4).

Longitudinal translation assembly 1 is to drive transverse translation assembly 2 to move longitudinally also and then to drive longitudinal rotary components 3, the mode that transverse rotation assembly 4 and keeper 5 move longitudinally is connected with transverse translation assembly 2, namely, longitudinal translation assembly 1 is connected with transverse translation assembly 2, and drive transverse translation assembly 2 to move longitudinally, and owing to transverse translation assembly 2 is connected with longitudinal rotary components 3, longitudinal rotary components 3 is connected with transverse rotation assembly 4, and transverse rotation assembly 4 is connected with keeper 5, and it is further driven to transverse translation assembly 2, longitudinal rotary components 3, transverse rotation assembly 4 and keeper 5 move longitudinally, and then guide through hole 501 is also moved longitudinally, namely the insertion path making labelling pin moves longitudinally. in other words, longitudinal translation assembly 1 drives keeper 5 to longitudinally translate by transverse translation assembly 2, longitudinal rotary components 3, transverse rotation assembly 4 indirectly, and in this longitudinal movement, keeper 5 static relative to longitudinal rotary components 3, transverse rotation assembly 4 and transverse translation assembly 2 (namely keeper 5 neither rotates also do not move relative to longitudinal rotary components 3, transverse rotation assembly 4 and transverse translation assembly 2).

In sum, transverse rotation assembly 4 is connected with keeper 5, drives keeper 5 to rotate around transverse axis. Longitudinal rotary components 3 is connected with transverse rotation assembly 4, drives transverse rotation assembly 4 to rotate around the longitudinal axis together with keeper 5. Transverse translation assembly 2 is connected with longitudinal rotary components 3, drives longitudinal rotary components 3, transverse rotation assembly 4 and keeper 5 to laterally move together. Longitudinal translation assembly 1 is connected with transverse translation assembly 2, drives transverse translation assembly 2, longitudinal rotary components 3, transverse rotation assembly 4 and keeper 5 to move longitudinally together. Thus, operation longitudinal translation assembly 1, transverse translation assembly 2, longitudinal rotary components 3 and these 4 assemblies of transverse rotation assembly 4 can control the keeper 5 adjustment in one degree of freedom respectively, and regulate these 4 assemblies to realize the sequencing of the adjustment of 4 degree of freedom pose on keeper 5 without impact. Whereby, facilitate the manipulation of doctor, decrease the situation extending operating time in operation because of operational error. Certainly, the structure that above-mentioned longitudinal translation assembly 1, transverse translation assembly 2, longitudinal rotary components 3, transverse rotation assembly 4, keeper 5 are sequentially connected with, it is only an embodiment of the present utility model. In other alternative-embodiments; as long as four assemblies can be made to control the structure of the keeper 5 position on 4 degree of freedom respectively; as long as namely control the structure that keeper 5 moves longitudinally, laterally moves, rotates around the longitudinal axis and rotate around transverse axis respectively, all in protection domain of the present utility model.

4 assemblies of above-mentioned the present embodiment detailed further below and the concrete structure of keeper 5:

See figures.1.and.2, in the present embodiment, longitudinal translation assembly 1 includes first chute the 101, first slide block the 105, first rotating part the 107, first screw pair, the first connecting plate 106, fixture 108 and two clutch shaft bearings (not shown in Fig. 1 and Fig. 2) and corresponding two clutch shaft bearing seats 102.

Specifically, first chute 101 is longitudinally arranged, the leading screw 103 of the first screw pair is longitudinally through the first chute 101, and at the two ends of this leading screw 103 sheathed clutch shaft bearing of difference and corresponding clutch shaft bearing seat 102, and two clutch shaft bearing seats 102 are connected with the two ends of the first chute 101 respectively, thus, leading screw 103 is removably secured in the first chute 101. First rotating part 107 is connected to one end of leading screw 103, and the rotation of the first rotating part 107 drives leading screw 103 to rotate therewith. The nut 104 of the first screw pair on leading screw 103 is connected with the first slide block 105, and the first slide block 105 is slidably disposed in the first chute 101, and thus, the rotation of leading screw 103 drives the first slide block 105 to slide. To sum up, rotating of first rotating part 107 drives the leading screw 103 of the first screw pair to rotate, screwing the nut 104 of the first screw pair on leading screw 103 to follow the rotation of leading screw 103 and vertically move, drive first slide block 105 that vertically moves of this nut 104 slides in the first chute 101. Thus, the first screw pair is connected between the first rotating part 107 and the first slide block 105, and the rotation of the first rotating part 107 is converted into the slip of the first slide block 105. Further, the first slide block 105 is connected with transverse translation assembly 2 in the way of driving transverse translation assembly 2 to move longitudinally, i.e. the first slide block 105 is connected with transverse translation assembly 2, and drives transverse translation assembly 2 to vertically move with it. In the present embodiment, the first connecting plate 106 connects the first slide block 105 and transverse translation assembly 2, so that vertically moving of the first slide block 105 is passed to transverse shifting assembly. Further, first win in succession and 106 be connected directly between on the first slide block 105 by screw. Certainly, it is possible to well known to a person skilled in the art that the first connecting plate 106 removably or permanently is connected on the first slide block 105 by connected mode by other. Or first connecting plate 106 also can be integrated part with the first slide block 105. It is understood that in the present embodiment, rotating the first rotating part 107 by doctor and drive keeper 5 to move longitudinally, keeper just can move to the implantation target spot of planning guide pin easily, operation technique is convenient.

Preferably, the first rotating part 107 is knurled nut, and the first chute 101 is dovetail groove. Additionally, be provided with scale on the outer surface of the first chute 101, according to this scale, doctor can read the scale value representing lengthwise position, and then obtains the side-play amount that keeper has moved in operation.

With continued reference to Fig. 1, fixture 108 is arranged on the first chute 101, and is separately positioned on the two opposite sides of the first chute 101 with the first slide block 105. Thus, by this fixture 108, longitudinal translation assembly 1 is fixed on such as operating-table, and then whole sight is fixed on operating-table. Preferably, fixture 108 is connected directly between on the first chute 101 by screw. Certainly, this utility model is not limited to this, it is possible to well known to a person skilled in the art that fixture 108 removably or permanently is connected on the first chute 101 by connected mode by other.Or fixture 108 also can be integrated part with the first chute 101.

With reference to Fig. 1 and Fig. 3, in the present embodiment, transverse translation assembly 2 includes second chute the 201, second slide block the 205, second rotating part the 207, second screw pair, the second connecting plate 206 and two the second bearings (not shown in Fig. 1 and Fig. 3) and corresponding two the second bearing blocks 202.

Specifically, second chute 201 is transversely arranged, the leading screw 203 of the second screw pair is longitudinally through the second chute 201, and at the two ends of this leading screw 203 sheathed second bearing of difference and corresponding second bearing block 202, and two the second bearing blocks 202 are connected with the two ends of the second chute 201 respectively, thus, leading screw 203 is removably secured in the second chute 201. Second rotating part 207 is connected to one end of leading screw 203, and the rotation of the second rotating part 207 drives leading screw to rotate therewith. The nut 204 of the second screw pair on leading screw 203 is connected with the second slide block 205, and the second slide block 205 is slidably disposed in the second chute 201, and thus, second slide block 205 that rotarily drives of leading screw 203 slides. To sum up, rotating of second rotating part 207 drives the leading screw 203 of the second screw pair to rotate, screwing the nut 204 of the second screw pair on leading screw 203 to follow the rotation of leading screw 203 and laterally move, the transverse shifting of this nut 204 drives the second slide block 205 to slide in the second chute 201. Thus, the second screw pair is connected between the second rotating part 207 and the second slide block 205, and the rotation of the second rotating part 207 is converted into the slip of the second slide block 205. Further, the second slide block 205 is connected with longitudinal rotary components 3 in the way of driving longitudinal rotary components 3 to laterally move, i.e. the second slide block 205 is connected with longitudinal rotary components 3, and drives longitudinal rotary components 3 with its transverse shifting. In the present embodiment, the second connecting plate 206 connects the second slide block 205 and longitudinal rotary components 3, passes to longitudinal rotary components 3 with the transverse shifting by the second slide block 205. Further, second win in succession and 206 be connected directly between on the second slide block 205 by screw. Certainly, it is possible to well known to a person skilled in the art that connected mode is won in succession second by other and 206 removably or permanently be connected on the second slide block 205. Or second win in succession 206 and second slide block 205 be alternatively integral piece. It is understood that in the present embodiment, rotating the second rotating part 207 by doctor and drive keeper 5 to laterally move, keeper just can move to the implantation target spot of planning guide pin easily, operation technique is convenient.

Preferably, the second rotating part 207 is knurled nut, and the second chute 201 is dovetail groove. Additionally, be provided with scale on the outer surface of the second chute 201, according to this scale, doctor can read the scale value representing lateral attitude, and then obtains the side-play amount that keeper has moved in operation.

Additionally, in the present embodiment, with reference to Fig. 1, first wins in succession 106 is connected with the second chute 201, for instance be connected by screw. Thus, the first slide block 105 is won in succession by first and 106 is connected with the second chute 201, and when the first slide block 105 moves longitudinally, the second chute 201 moves longitudinally therewith together, and then whole transverse translation assembly 2 is moved longitudinally. This structure achieves the first slide block 105 and is connected with transverse translation assembly 2 in the way of driving transverse translation assembly 2 to move longitudinally, and also achieves longitudinal translation assembly 1 and be connected with transverse translation assembly 2 in the way of driving transverse translation assembly 2 to move longitudinally.

With reference to Fig. 1 and Fig. 4, longitudinal rotary components 3 includes the first rotating part, the first shell and the first screw element 306.

Specifically, first rotating part can rotate around the longitudinal axis and be connected with transverse rotation assembly 4 in the way of driving transverse rotation assembly 4 to rotate with it, that is, the first rotating part is connected with transverse rotation assembly 4, and the first rotating part drives transverse rotation assembly 4 to rotate with it.

In the present embodiment, the first rotating part includes the first dialing knob the 301, first knob base 304 and graduated disc 307. wherein, first dialing knob 301 can rotate around the longitudinal axis, first knob base 304 is connected (namely the first knob base 304 is connected with the first dialing knob 301 and the first knob base 304 rotation therewith when the first dialing knob 301 rotates) in the way of with the first dialing knob 301 rotation with the first dialing knob 301, graduated disc 307 is in the way of rotating with the first knob base 304 connected (namely graduated disc 307 is connected and the rotation therewith when the first knob base 304 rotates with the first knob base 304), and, graduated disc 307 is connected (namely graduated disc 307 is connected and transverse rotation assembly 4 rotation therewith) with transverse rotation assembly 4 in the way of driving transverse rotation assembly 4 to rotate with it with transverse rotation assembly 4. in the present embodiment, by graduated disc 307 and the transverse rotation assembly 4 connection in the way of jointly rotating, realize the first rotating part in the way of driving transverse rotation assembly 4 to rotate with it with the connection of transverse rotation assembly 4, and then achieve longitudinal rotary components 3 to drive transverse rotation assembly 4 around in the way of longitudinal axis rotation and the connection of transverse rotation assembly 4.

Additionally, be provided with scale on graduated disc 307, doctor can pass through this graduated disc 307 and read current scale value, and then rotates corresponding angle according to value of calculation.

Preferably, graduated disc 307 is connected by screw and the first knob base 304. Certainly, this utility model is not limited to this, and in other alternative-embodiments, graduated disc 307 can pass through to well known to a person skilled in the art that any mode and the first knob base 304 removably or permanently link together. Or graduated disc 307 and the first knob base 304 are alternatively integral piece.

First casing is located on the first rotating part, and the first rotating part can rotate in the first shell and move with the first shell. Specific in the present embodiment, the first shell includes the first rotary sleeve 305 and the first knob connector 303, and the first rotary sleeve 305 constitutes the periphery wall of the first shell, and the first knob connector 303 constitutes the diapire of the first shell. Preferably, the first rotary sleeve 305 is connected by screw with the first knob connector 303. Certainly, this utility model is not limited to this, and in an alternate embodiment of the invention, the first rotary sleeve 305 and the first knob connector 303 can pass through to well known to a person skilled in the art that any mode removably or permanently links together. Or first rotary sleeve 305 and the first knob connector 303 be alternatively integral piece.

First casing is located on the first knob base 304 and graduated disc 307 and the first dialing knob 301 are positioned at the two opposite sides of the first shell, first knob base 304 has shaft part, shaft part is connected (preferably, the two being linked together through the first dialing knob 301 and shaft part) by pin through the first knob connector 303 with the first dialing knob 301. Thus, when doctor rotates the first dialing knob 301, the first dialing knob 301 drives the first knob base 304 to rotate, and the first knob base 304 drives graduated disc 307 to rotate, and graduated disc 307 drives transverse rotation assembly 4 to rotate.

Additionally, transverse translation assembly 2 is connected in the way of driving the first shell transverse shifting, namely the first shell is connected with transverse translation assembly 2, and transverse translation assembly 2 drives the first shell transverse shifting. In conjunction with the rotatable setting in the first shell of the first rotating part, it is appreciated that, in the process that first dialing knob the 301, first knob base 304, graduated disc 307 rotate, namely in the process that the first rotating part rotates, the first shell does not rotate together with the first rotating part. And the first shell is in the process of movement, move driving the first rotating part together.

With further reference to Fig. 1 and Fig. 4, in the present embodiment, longitudinal rotary components 3 also includes the first L-shaped connecting plate 302. This first L-shaped connecting plate 302 has the first branch 3021 and the second branch 3022 of at right angles connection, wherein, transverse translation assembly 2 is connected with the first branch 3021 in the way of driving the first L-shaped connecting plate 302 to laterally move, and the second branch 3022 is connected with the first shell in the way of making the first shell with the first L-shaped connecting plate 302 transverse shifting. Specifically, first branch 3021 of the first L-shaped connecting plate 302 is connected (in the present embodiment with transverse translation assembly 2, it is connected with the second connecting plate 206 of transverse translation assembly 2, connect preferably by screw), second branch 3022 of the first L-shaped connecting plate 302 is connected (in the present embodiment with the first shell, it is connected with the first knob connector 303 of the first shell, and connects preferably by screw). Thus, transverse translation assembly 2 drives the first L-shaped connecting plate 302 transverse shifting by the first branch 3021, and then drives the first shell transverse shifting, and further drives longitudinal rotary components 3 transverse shifting. The summary specific descriptions to transverse translation assembly 2, in this utility model, by the second connecting plate 206 and the first L-shaped connecting plate, first shell of the second slide block 205 of transverse translation assembly 2 with longitudinal rotary components 3 is connected in the way of jointly moving, thus, achieving transverse translation assembly 2 drives longitudinal rotary components 3 to laterally move, and longitudinal translation assembly 1 drives longitudinal rotary components 3 to move longitudinally.

It addition, longitudinal rotary components 3 also includes the second L-shaped connecting plate 308. Second L-shaped connecting plate 308 has the 3rd branch 3081 and the 4th branch 3082 of at right angles connection, 3rd branch 3081 is connected in the way of making the second L-shaped connecting plate 308 with the first rotating part rotation, and the 4th branch 3082 is connected with transverse rotation assembly 4 in the way of making transverse rotation assembly 4 with the second L-shaped connecting plate 308 rotation. Specifically, 3rd branch 3081 of the second L-shaped connecting plate 308 is connected (in the present embodiment with the first rotating part, it is connected with the graduated disc 307 of the first rotating part, preferably, by screw, the 3rd branch 3081 of graduated disc 307 with the second L-shaped connecting plate 308 is connected), the 4th branch 3082 of the second L-shaped connecting plate 308 is connected with transverse rotation assembly 4, thus, first rotating part drives the second L-shaped connecting plate 308 to rotate, and the second L-shaped connecting plate 308 drives transverse rotation assembly 4 to rotate.

With continued reference to Fig. 4, in the present embodiment, the screw in the first screw element 306 and the first shell screw and selectively against and depart from the first rotating part. That is, the first screw element 306 is through the screw in the first shell, and with the threaded engagement in this screw, by the turn in screw of first screw element 306, the first screw element 306 can against with depart from the first knob base 304.Being rotated by the first screw element 306 to during against the first knob base 304, contact therebetween makes longitudinal rotary components 3 lock. Thus, when the first rotating part rotates to setting position, when namely rotating set angle, use the first screw element 306 that first rotating part is secured to the first shell, to prevent in operation subsequently, the first rotating part being rotated in place produces fine rotation, and then ensures accurately putting in place of keeper 5. Preferably, the first screw element 306 is taper holding screw.

Further, with reference to Fig. 1 and Fig. 4, the installation process of the longitudinal rotary components 3 of summary. First L-shaped connecting plate 302 screw and the first knob connector 303 are connected, first knob base 304 is placed in the first rotary sleeve 305, then with screw, the first rotary sleeve 305 is connected with the first knob connector 303, with screw, graduated disc 307 is connected with knob base, first screw element 306 screws in the screw of the first rotary sleeve 305, with screw, the second L-shaped connecting plate 308 is linked together with graduated disc 307, the shaft part of the first knob base 304 inserts the groove in the first dialing knob 301, the two is fixed with pin.

And in operation process, doctor allows for keeper by rotating scale knob and rotates along the longitudinal axis, adjust the implantation attitude of hollow nail labelling pin. Current scale value is read, the rotation amount rotated to obtain keeper by the scale on graduated disc. After being rotated in place, tighten the first screw element.

With reference to Fig. 1, Fig. 5 and Fig. 6, transverse rotation assembly 4 includes the second rotating part, second housing and the second screw element.

Specifically, the second rotating part can rotate around transverse axis and be connected with keeper 5 in the way of driving keeper 5 to rotate with it, i.e. the second rotating part is connected with keeper 5, and the second rotating part drives keeper 5 to rotate with it.

More specifically, in the present embodiment, keeper 5 coordinates and detachably connected with this transverse rotation assembly 4 with transverse rotation assembly 4 plug, and keeper 5 is configured to handle-shaped. With reference to Fig. 6, keeper 5 includes body and the first plug portion 502, wherein, body is provided through hole 503 to constitute above-mentioned handle-shaped, guide through hole 501 and the first plug portion 502 are positioned at the both sides of through hole 503, are namely perpendicular to the bearing of trend of through hole 503 from the arranged direction of guide through hole 501, through hole 503 to the first plug portion 502. Transverse rotation assembly 4 is provided with the second plug portion, and the second plug portion coordinates with the plug of the first plug portion 502. It is understood that finger is grasped keeper 5 through through hole 503 by operator just can release above-mentioned plug cooperation easily.

Further, in the present embodiment, the first plug portion 502 is the projection protruded by body, and the second plug portion is hole. The bearing of trend of guide through hole 501, the bearing of trend of through hole 503 and the first plug portion 502 (namely protruding) protrusion direction vertical between two each other. The bearing of trend of through hole 503 is vertical with the protrusion direction in the first plug portion 502, is constructed such that so that the bearing of trend of through hole 503 is vertical with plug orientation, so that the grasping state of operator implements Plug Action most useful for it.

Preferably, keeper is integrated part, and its material is lucite. Certainly, being not limited to above-described embodiment, the first plug portion 502 is alternatively the depression being arranged on body, and the second plug portion is protruding. And correspondingly, the bearing of trend of the recessed direction in the first plug portion 502, the bearing of trend of guide through hole 501 and through hole 503 is vertical between two each other.

With reference to Fig. 5, in the present embodiment, the second rotating part includes the second dialing knob the 401, second knob base 403 and clamp base 406. wherein, second dialing knob 401 can rotate around transverse axis, second knob base 403 is connected (namely the second knob base 403 is connected with the second dialing knob 401 and the second knob base 403 rotation therewith when the second dialing knob 401 rotates) in the way of with the second dialing knob 401 rotation with the second dialing knob 401, clamp base 406 is connected in the way of rotating with the second knob base 403, and (namely clamp base 406 is connected and the rotation therewith when the second knob base 403 rotates with the second knob base 403, preferably, projection on second knob base 403 is inserted in the shrinkage pool of clamp base 406, protruding and shrinkage pool interference fit is utilized clamp base 406 and the second knob base 403 to be connected), and, clamp base 406 is provided with scale, doctor can pass through this scale and read current scale value, and then rotate corresponding angle according to value of calculation.

Additionally, transverse rotation assembly 4 also includes the fixture 407 being arranged in clamp base 406 to rotate with clamp base 406.

With reference to Fig. 1 and Fig. 5, more specifically, fixture 407 includes positioning screw 4071, spanner 4072, spanner bolt 4073, bolt and nut the 4074, first hinge part 4075 and the second hinge part 4076. 4075 are fixed in clamp base 406. By pin, the top of the first hinge part 4075 and the second hinge part 4076 is connected so that the two can rotate against around pin and without departing from clamp base 406. Positioning screw 4071 is through the hole of the first hinge part 4075 and the second hinge part 4076 bottom, and the bolt and nut 4074 coordinated with positioning screw 4071 is connected with positioning screw 4071. Spanner bolt 4073, through the hole of positioning screw 4071 and spanner 4072, screws with corresponding nut, and thus, spanner 4072 can rotate and without departing from the first hinge part 4075 and the second hinge part 4076 on spanner bolt 4073. The lower end outward flange of spanner 4072 is arc, pull spanner 4072, first hinge part 4075 is relative with the bottom of the second hinge part 4076 separates, and then the hole (hole collectively constituted by the vee gutter 4077 of the first hinge part 4075 and the triangular groove 4078 of the second hinge part 4076 in Figure 5) that the protruding plug with keeper 5 coordinates is expanded, to facilitate the plug of projection. Otherwise, fastening spanner 4072, the bottom of the first hinge part 4075 and the second hinge part 4076 is relatively closed, and then makes to reduce with above described holes, with the protruding clamping that will be accommodated therein. Thus, coordinated by the plug of above-mentioned projection (the first plugging member) and hole (the second plugging member) and further by the clamping of fixture, keeper 5 is detachably connected with transverse rotation assembly 4. Thus, in the present embodiment, coordinated and further clamping action with the plug of keeper 5 by fixture 407, achieving the second rotating part drives keeper 5 to rotate around transverse axis, namely realizing transverse rotation mechanism drives keeper 5 to rotate around transverse axis, and what also achieve between transverse rotation assembly 4 and keeper 5 is detachably connected.

Certainly, the present invention is not limited to this, and in other alternative-embodiments, keeper 5 and transverse rotation assembly 4 can pass through to well known to a person skilled in the art that any mode is detachably connected or permanent and link together.Such as, the plug cooperation between keeper 5 and transverse rotation assembly 4 itself just achieves " transverse rotation assembly 4 is connected in the way of driving keeper 5 to rotate " around transverse axis. In other words, " plug coordinates " mentioned in this article includes two ways, when applying above-mentioned fixture or other clamping part clamps, plug coordinates the clamping action with fixture jointly to achieve " transverse rotation assembly 4 is connected in the way of driving keeper 5 to rotate " around transverse axis, also jointly achieves transverse rotation assembly 4 detachably connected with keeper 5; And when not applying above-mentioned fixture or other clamping part clamps, plug cooperation itself is formed as realizing the plug of " transverse rotation assembly 4 is connected in the way of driving keeper 5 to rotate around transverse axis " and connects.

Certainly, this utility model is not limited to this, and in other alternative-embodiments, fixture can do any change according to the structure of keeper, as long as being capable of keeper and the connection of transverse rotation assembly. In addition, the connected mode of transverse rotation assembly 4 and keeper 5 is not limited to above-described embodiment, in other alternative-embodiments, transverse rotation assembly 4 can adopt other modes beyond plug cooperation and clamp to realize driving keeper to rotate around transverse axis, and transverse rotation assembly 4 can also adopt other modes and keeper 5 detachably connected.

With continued reference to Fig. 1 and Fig. 5, second housing is set on the second rotating part, and the second rotating part can rotate in second housing and move with second housing. Specifically in the present embodiment, second housing includes the second rotary sleeve 404 and the second knob connector 402, and the second rotary sleeve 404 constitutes the periphery wall of second housing, and the second knob connector 402 constitutes the diapire of second housing. Preferably, the second rotary sleeve 404 and the second knob connector 402 are connected by screw. Certainly, this utility model is not limited to this, can pass through to well known to a person skilled in the art that the second rotary sleeve 404 removably or permanently is connected by any mode with the second knob connector 402. Or second rotary sleeve 404 and the second knob connector 402 be alternatively integral piece.

Second housing is set on the second knob base 403 and clamp base 406 and the second dialing knob 401 are positioned at the two opposite sides of second housing, and the second knob base 403 has shaft part, and shaft part connects through the second knob connector and the second dialing knob 401. Thus, when doctor rotates the second dialing knob 401, the second dialing knob 401 drives the second knob base 403 to rotate, and the second knob base 403 drives clamp base 406 to rotate, and clamp base 406 drives keeper 5 to rotate.

Additionally, the second knob connector 402 is connected by the 4th branch 3082 of screw and the second L-shaped connecting plate 308. Thus, rotation and the movement of the second rotary components are passed to transverse rotation assembly 4 by the second L-shaped connecting plate 308. Complex chart 1 and the Fig. 4 description to longitudinal rotary components 3, the graduated tile 307 of longitudinal rotary components 3 is connected in co-rotational mode with the second housing of transverse rotation assembly 4 by the second L-shaped connecting plate 308, being achieved in longitudinal rotary components 3 drives transverse rotation assembly 4 to rotate around the longitudinal axis, and longitudinal translation assembly drives, and transverse rotation assembly 4 moves longitudinally, transverse translation assembly 2 drives transverse rotation assembly 4 to laterally move. And then also achieve transverse rotation assembly 4 and drive keeper 5 to rotate around transverse axis, longitudinal rotary components 3 drives keeper 5 to rotate around the longitudinal axis, and transverse translation assembly 2 drives keeper 5 transversely to translate, and longitudinal translation assembly 1 drives keeper to longitudinally translate.

With continued reference to Fig. 5, the second screw element 405 screw with the screw in second housing and selectively against and depart from the second rotating part. In the present embodiment, the second screw element 405 through the screw in second housing, and with the threaded engagement in this screw. By the turn in screw of second screw element 405, the second screw element 405 can against with depart from the second knob base 403. Being rotated by the second screw element 405 to during against the second knob base 403, contact therebetween makes longitudinal rotary components 3 lock. Thus, when the second rotating part rotates to setting position, when namely rotating set angle, use the second screw element 405 that second rotating part is secured to second housing, to prevent in operation subsequently, the second rotating part being rotated in place produces fine rotation, and then ensures accurately putting in place of keeper 5.

With reference to Fig. 1, Fig. 4 and Fig. 5, the installation process of this transverse rotation assembly can the similar installation process with reference to longitudinal rotary components. Wherein, clamp by the position of change spanner and decontrol keeper. In operation process, doctor allows for keeper around transverse axis rotation by rotating the second dialing knob, adjusts the implantation attitude of labelling pin. Current scale value is read, the rotation amount rotated to obtain keeper by the scale in clamp base. After being rotated in place, tighten the second screw element.

The summary description to the sight shown in Fig. 1 to Fig. 7, in the sight of the present embodiment, the first connecting plate of longitudinal translation assembly 1 is connected with the second chute of transverse translation assembly 2, to drive transverse translation assembly 2 entirety to vertically move. The first L-shaped connecting plate that the second of transverse translation assembly 2 is won in succession with longitudinal rotary components 3 is connected, to drive longitudinal rotary components 3 transversely to translate, and when longitudinal translation assembly 1 drives transverse translation assembly 2 to move longitudinally, longitudinal rotary components 3 and transverse translation assembly 2 geo-stationary, longitudinal rotary components 3 is followed transverse translation assembly 2 and is vertically moved together. Second L-shaped connecting plate of longitudinal rotary components 3 is connected with the first shell of transverse rotation assembly 4, to drive transverse rotation assembly 4 to rotate around the longitudinal axis, and when longitudinal translation assembly 1 drives transverse translation assembly 2 to move longitudinally, longitudinal rotary components 3, transverse translation assembly 2 and transverse rotation assembly 4 geo-stationary, longitudinal rotary components 3 is followed with transverse rotation assembly 4 and is vertically moved together with transverse translation assembly 2; When transverse translation assembly 2 drives longitudinal rotary components 3 transverse shifting, longitudinal rotary components 3 and transverse rotation assembly 4 geo-stationary, transverse rotation assembly 4 is followed longitudinal rotary components 3 and is moved laterally together. The fixture of transverse rotation assembly 4 is connected with keeper, to drive keeper to rotate around transverse axis, and when longitudinal translation assembly 1 drives transverse translation assembly 2 to move longitudinally, longitudinal rotary components 3, transverse translation assembly 2, transverse rotation assembly 4 and keeper 5 geo-stationary, longitudinal rotary components 3, transverse rotation assembly 4 are followed with keeper 5 and are vertically moved together with transverse translation assembly 2; When transverse translation assembly 2 drives longitudinal rotary components 3 transverse shifting, longitudinal rotary components 3, transverse rotation assembly 4 and keeper 5 geo-stationary, transverse rotation assembly 4 and keeper 5 are followed longitudinal rotary components 3 and are moved laterally together; When longitudinal rotary components 3 drives transverse rotation assembly 4 to rotate around the longitudinal axis, keeper 5 and transverse rotation assembly 4 geo-stationary, keeper 5 together with transverse rotation assembly 4 around longitudinal axis rotation.This sight also has flexible structure, advantage easy for installation. Additionally, adopt this positioner to perform the operation, infection rate is low, destroying of periosteum blood fortune is little, reduce the operation wound of patient.

It is understood that above are only the description of the embodiment shown in Fig. 1 to Fig. 7. This utility model is not limited to this.

Such as, in the above-described embodiments, (namely longitudinal translation assembly includes the first longitudinally arranged chute to the structure of longitudinal translation assembly, it is slidably disposed on the first slide block in the first chute, first rotating part, and in the way of the rotation by the first rotating part is converted to the slip of the first slide block, it is connected to the first screw pair therebetween, wherein, first slide block is connected in the way of driving transverse translation assembly to move longitudinally) and the structure of transverse translation assembly (namely transverse translation assembly includes the second chute of transversely arranging, it is slidably disposed on the second slide block in the second chute, second rotating part, and in the way of the rotation by the second rotating part is converted to the slip of the second slide block, it is connected to the second screw pair therebetween, wherein, second slide block is connected in the way of driving longitudinal rotary components to laterally move) it is simultaneously used for structure sight. and in other alternative-embodiments, the structure structure sight of the above-mentioned longitudinal translation assembly that can be used alone, it is possible to be used alone the structure structure sight of above-mentioned transverse translation assembly.

And, further, when using the structure structure sight of above-mentioned longitudinal translation assembly (no matter be the structure with above-mentioned transverse translation assembly use also be single use) simultaneously, the all or part of design that all or part of design and first adopting clutch shaft bearing and clutch shaft bearing seat described in the embodiment of above-mentioned Fig. 1 to Fig. 7 is won in succession can be selected simultaneously, also can individually select adopt all or part of design of clutch shaft bearing and the second bearing block described in the embodiment of above-mentioned Fig. 1 to Fig. 7 and individually adopt described in embodiment the first all or part of design won in succession of above-mentioned Fig. 1 to Fig. 7.

And, when using the structure structure sight of above-mentioned transverse translation assembly (no matter be the structure with above-mentioned longitudinal translation assembly use also be single use) simultaneously, the all or part of design adopting second bearing described in embodiment of above-mentioned Fig. 1 to Fig. 7 and the second bearing block can be selected (at least to include: the two ends of the leading screw in the first screw pair are a sheathed clutch shaft bearing and corresponding clutch shaft bearing seat respectively simultaneously, and two clutch shaft bearing seats are connected with the two ends of the first chute respectively) and the second all or part of design won in succession (at least including: the first connecting plate connects the first slide block and transverse translation assembly), also all or part of design adopting second bearing described in embodiment of above-mentioned Fig. 1 to Fig. 7 and the second bearing block can be individually selected (at least to include: the two ends of the leading screw in the second screw pair are sheathed second bearing and corresponding second bearing block respectively, and two the second bearing blocks are connected with the two ends of the second chute respectively) and independent the described in embodiment the second all or part of design won in succession (at least including: the second connecting plate connects the second slide block and longitudinal rotary components) adopting above-mentioned Fig. 1 to Fig. 7.

Such as, in the present embodiment, (namely include can around the first rotating part of longitudinal axis rotation for longitudinal rotary components for the structure of longitudinal rotary components, by the first shell making the first rotating part can be set on the first rotating part in the way of rotating wherein and moving with it, screw with the screw in the first shell and selectively against and depart from the first screw element of the first rotating part, wherein, first rotating part is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it, transverse translation assembly is connected in the way of driving the first shell transverse shifting) and transverse rotation assembly structure (namely transverse rotation assembly include can around transverse axis rotate the second rotating part, to make the second rotating part can be set in the second housing on the second rotating part in the way of rotating wherein and moving with it, screw with the screw in second housing and selectively against and depart from the second screw element of the second rotating part, wherein, second rotating part is connected in the way of driving keeper to rotate with it) it is simultaneously used for structure sight.And in other alternative-embodiments, the structure structure sight of the above-mentioned longitudinal rotary components that can be used alone, it is possible to be used alone the structure structure sight of above-mentioned transverse rotation assembly.

Further, when using the structure of above-mentioned longitudinal rotary components (no matter be the structure with above-mentioned transverse rotation assembly use also be single use) simultaneously, the all or part of design adopting first rotating part described in embodiment of above-mentioned Fig. 1 to Fig. 7 can be selected (at least to include: the first rotating part includes the first dialing knob that can rotate around the longitudinal axis simultaneously, connected first knob base in the way of rotating with the first dialing knob, and by with first knob base rotation in the way of connected graduated disc, graduated disc is connected with transverse rotation assembly in the way of driving transverse rotation assembly to rotate with it) and all or part of design of the first shell (at least include: the first shell includes being constituted the first rotary sleeve of its periphery wall and constituted the first knob connector of its diapire, wherein, first casing is located on the first knob base and graduated disc and the first dialing knob are positioned at the two opposite sides of the first shell, first knob base has shaft part, shaft part connects through the first knob connector and the first dialing knob), also the above-mentioned all or part of design of first rotating part described in embodiment of above-mentioned Fig. 1 to Fig. 7 only can individually be adopted.

And, when using the structure of above-mentioned transverse rotation assembly (no matter be the structure with above-mentioned longitudinal rotary components use also be single use) simultaneously, the all or part of design adopting second rotating part described in embodiment of above-mentioned Fig. 1 to Fig. 7 can be selected (at least to include: the second rotating part includes the second dialing knob that can rotate around transverse axis simultaneously, connected second knob base in the way of rotating with the second dialing knob, and by with second knob base rotation in the way of connected clamp base, clamp base is provided with scale, transverse rotation assembly also includes the fixture being arranged in clamp base to rotate with clamp base, first plug portion is the projection protruded by body, second plug portion is hole, hole is arranged in fixture, projection is contained in hole and by clamp) and second housing all or part of design (at least include: second housing include constituting its periphery wall the second rotary sleeve and constitute its diapire the second knob connector, wherein, second housing is set on the second knob base and clamp base and the second dialing knob are positioned at the two opposite sides of second housing, second knob base has shaft part, shaft part connects through the second knob connector and the second dialing knob), also the above-mentioned all or part of design of second rotating part described in embodiment of above-mentioned Fig. 1 to Fig. 7 only can individually be adopted.

In addition, when using the structure of above-mentioned longitudinal rotary components (no matter be the structure with above-mentioned transverse rotation assembly use also be single use) simultaneously, can individually all or part of design only with the first L-shaped connecting plate described in the embodiment of above-mentioned Fig. 1 to Fig. 7 (at least include: the first L-shaped connecting plate has the first branch and second branch of at right angles connection, wherein, transverse translation assembly is connected with the first branch in the way of driving the first L-shaped connecting plate to laterally move, second branch is connected with the first shell in the way of making the first shell with the first L-shaped connecting plate transverse shifting), or individually all or part of design only with the second L-shaped connecting plate described in the embodiment of above-mentioned Fig. 1 to Fig. 7 (at least includes: the second L-shaped connecting plate has the 3rd branch and the 4th branch of at right angles connection, 3rd branch is connected in the way of making the second L-shaped connecting plate with the first rotating part rotation, 4th branch is connected with transverse rotation assembly in the way of making transverse rotation assembly with the second L-shaped connecting plate rotation).

Certainly, this utility model is not limited to above-mentioned any one cited example, all features described herein, all can be arbitrarily made with an example of the present utility model, and this is without departing from protection domain of the present utility model.

In addition, in keeper of the present utility model, the connection of the geo-stationary of two parts can be passed through screw, clamping (interference fit) etc. and well known to a person skilled in the art that detachably connected mode realizes or well known to a person skilled in the art that permanent connection mode realizes by bonding, welding etc., and the connection in relative rotation of two parts can be passed through pin etc. and well known to a person skilled in the art that connected mode realizes.

Claims

1. the sight for fixing in pelvis, it is characterised in that including:

Keeper (5), has the guide through hole (501) for labelling pin traverse;

Governor motion, the longitudinal rotary components (3) have self rotarily driving transverse rotation assembly (4) that described keeper rotates around described transverse axis around transverse axis, rotarily driving described keeper with self around the longitudinal axis and rotating around the described longitudinal axis and with the longitudinal translation assembly (1) driving described keeper (5) to move along the vertical and lateral respectively in the way of keeping described keeper (5) static relative to described vertical and horizontal rotary components and transverse translation assembly (2);

Wherein, the bearing of trend of the plane that described longitudinal direction and described transverse direction are constituted and described guide through hole (501) is angle.

2. according to claim 1 for sight fixing in pelvis, it is characterised in that

Described keeper (5) coordinates and detachably connected with it with a plug in described longitudinal translation assembly (1), described transverse translation assembly (2), described longitudinal rotary components (3) and described transverse rotation assembly (4);

Described keeper (5) is configured to handle-shaped.

3. according to claim 2 for sight fixing in pelvis, it is characterised in that

Described keeper (5) includes body and the first plug portion (502), wherein, being provided through hole (503) in described body to constitute described handle-shaped, described guide through hole (501) and described first plug portion (502) are positioned at the both sides of described through hole (503);

The assembly coordinated with described keeper (5) plug in described longitudinal translation assembly (1), described transverse translation assembly (2), described longitudinal rotary components (3) and described transverse rotation assembly (4) is provided with the second plug portion, and described second plug portion coordinates with described first plug portion (502) plug.

4. according to claim 3 for sight fixing in pelvis, it is characterised in that

Described first plug portion (502) is the projection protruded by described body, and described second plug portion is hole;

The protrusion direction in the bearing of trend of described guide through hole (501), the bearing of trend of described through hole (503) and described first plug portion (502) is vertical between two each other.

5. according to claim 3 for sight fixing in pelvis, it is characterised in that

Described transverse rotation assembly (4) coordinates with described keeper (5) plug and connected in the way of driving described keeper (5) to rotate around described transverse axis;

Described longitudinal rotary components (3) by drive described transverse rotation assembly (4) to rotate around the described longitudinal axis and and then be connected with described transverse rotation assembly (4) in the way of driving described keeper (5) to rotate around the described longitudinal axis;

Described transverse translation assembly (2) by drive described longitudinal rotary components (3) to laterally move and and then drive described transverse rotation assembly (4) and described keeper (5) to be connected with described longitudinal rotary components (3) in the way of laterally moving;

Described longitudinal translation assembly (1) is to drive described transverse translation assembly (2) to move longitudinally and and then to drive described longitudinal rotary components (3), described transverse rotation assembly (4) and described keeper (5) to be connected with described transverse translation assembly (2) in the way of moving longitudinally.

6. according to claim 5 for sight fixing in pelvis, it is characterised in that

Described longitudinal translation assembly (1) includes longitudinally arranged the first chute (101), the first slide block (105) being slidably disposed in described first chute (101), the first rotating part (107) and is connected to the first screw pair therebetween in the way of the rotation by described first rotating part (107) is converted to the slip of described first slide block (105), wherein, described first slide block (105) is connected in the way of driving described transverse translation assembly (2) to move longitudinally.

7. according to claim 5 for sight fixing in pelvis, it is characterised in that

Described transverse translation assembly (2) includes the second chute (201) transversely arranged, the second slide block (205) being slidably disposed in described second chute (201), the second rotating part (207) and is connected to the second screw pair therebetween in the way of the rotation by described second rotating part (207) is converted to the slip of described second slide block (205), wherein, described second slide block (201) is connected in the way of driving described longitudinal rotary components (3) to laterally move.

8. according to claim 6 for sight fixing in pelvis, it is characterised in that

Described longitudinal translation assembly (1) also includes two clutch shaft bearings and corresponding two clutch shaft bearing seats (102), wherein, the two ends of the leading screw (103) in described first screw pair are a sheathed described clutch shaft bearing and corresponding described clutch shaft bearing seat (102) respectively, and two described clutch shaft bearing seats (102) are connected with the two ends of described first chute (101) respectively.

9. according to claim 6 for sight fixing in pelvis, it is characterised in that

Described longitudinal translation assembly (1) also includes the first connecting plate (106) connecting described first slide block (105) and described transverse translation assembly (2).

10. according to claim 7 for sight fixing in pelvis, it is characterised in that

Described transverse translation assembly (2) also includes two the second bearings and corresponding two the second bearing blocks (202), wherein, the two ends of the leading screw in described second screw pair sheathed described second bearing respectively and accordingly described second bearing block (202), and two described second bearing blocks (202) are connected with the two ends of described second chute (201) respectively.

11. it is according to claim 7 for sight fixing in pelvis, it is characterised in that

Described transverse translation assembly (2) also includes the second connecting plate (206) connecting described second slide block (205) and described longitudinal rotary components (3).

12. it is according to claim 5 for sight fixing in pelvis, it is characterised in that

Described longitudinal rotary components (3) includes the first rotating part that can rotate around the described longitudinal axis, by the first shell making described first rotating part can be set on described first rotating part in the way of rotating wherein and moving with it, screw with the screw in described first shell and selectively against and depart from first screw element (306) of periphery wall of described first rotating part, wherein, described first rotating part is connected with described transverse rotation assembly (4) in the way of driving described transverse rotation assembly (4) to rotate with it, described transverse translation assembly (2) is connected in the way of driving described first shell transverse shifting.

13. it is according to claim 5 for sight fixing in pelvis, it is characterised in that

Described transverse rotation assembly (4) includes the second rotating part that can rotate around described transverse axis, by the second housing making described second rotating part can be set on described second rotating part in the way of rotating wherein and moving with it, screw with the screw in described second housing and selectively against and depart from second screw element (405) of periphery wall of described second rotating part, wherein, described second rotating part is connected in the way of driving described keeper (5) to rotate with it, described longitudinal rotary components (3) is connected in the way of driving described second housing to rotate with it.

14. it is according to claim 12 for sight fixing in pelvis, it is characterised in that

Described first rotating part includes the first dialing knob (301) that can rotate around the described longitudinal axis, connected first knob base (304) in the way of rotating with described first dialing knob (301), and in the way of rotating with described first knob base (304) connected graduated disc (307), described graduated disc (307) is connected with described transverse rotation assembly (4) in the way of driving described transverse rotation assembly (4) to rotate with it, described first shell includes the first rotary sleeve (305) constituting its periphery wall and the first knob connector (303) constituting its diapire, wherein, described first casing is located at that described first knob base (304) is upper and described graduated disc (307) and described first dialing knob (301) are positioned at the two opposite sides of described first shell, described first knob base (304) has shaft part, described shaft part is connected through described first knob connector (303) with described first dialing knob (301).

15. it is according to claim 13 for sight fixing in pelvis, it is characterised in that

Described second rotating part includes the second dialing knob (401) that can rotate around described transverse axis, connected second knob base (403) in the way of rotating with described second dialing knob (401), and in the way of rotating with described second knob base (403) connected clamp base (406), described clamp base (406) is provided with scale, described transverse rotation assembly (4) also includes the fixture (407) being arranged in described clamp base (406) to rotate with described clamp base (406), described first plug portion (502) is the projection protruded by described body, described second plug portion is hole, described hole is arranged in described fixture (407), described protruding accommodation in the hole and is clamped by described fixture (407), described second housing includes the second rotary sleeve (404) constituting its periphery wall and the second knob connector (402) constituting its diapire, wherein, described second housing is set in that described second knob base (403) is upper and described clamp base (406) and described second dialing knob (401) are positioned at the two opposite sides of described second housing, described second knob base (403) has shaft part, described shaft part is connected through described second knob connector (402) with described second dialing knob (401).

16. it is according to claim 12 for sight fixing in pelvis, it is characterised in that

Described longitudinal rotary components (3) also includes the first L-shaped connecting plate (302), its first branch with at right angles connection and the second branch, wherein, described transverse translation assembly (2) is connected with described first branch in the way of driving described first L-shaped connecting plate (302) to laterally move, and described second branch is so that described first shell is connected with described first shell with the mode of described first L-shaped connecting plate (302) transverse shifting.

17. it is according to claim 12 for sight fixing in pelvis, it is characterised in that

Described longitudinal rotary components (3) also includes the second L-shaped connecting plate (308), its the 3rd branch with at right angles connection and the 4th branch, described 3rd branch is so that described second L-shaped connecting plate (308) is connected with the mode of described first rotating part rotation, and described 4th branch is so that the mode that described transverse rotation assembly (4) rotates with described second L-shaped connecting plate (308) is connected with described transverse rotation assembly (4).