CN204600663U - Intramedullary pin inserting needle regulates combined apparatus - Google Patents
Intramedullary pin inserting needle regulates combined apparatus Download PDFInfo
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- CN204600663U CN204600663U CN201520107764.0U CN201520107764U CN204600663U CN 204600663 U CN204600663 U CN 204600663U CN 201520107764 U CN201520107764 U CN 201520107764U CN 204600663 U CN204600663 U CN 204600663U
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- entry point
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Abstract
The utility model discloses a kind of intramedullary pin inserting needle and regulate combined apparatus, comprising: entry point position developer, entry point actuator and needle angle actuator; The structure of described entry point position developer is: comprising: the loop bar of the tape guide passage be made up of rustless steel, is provided with the first introducing section in the front end of loop bar; Loop bar is also provided with guide structure; The structure of described entry point actuator is: comprising: the adjusting rod of band lever, is provided with the second introducing section, is provided with centre pilot passage and some adjustment passages in adjusting rod in adjusting rod front end; The structure of described needle angle actuator is: comprising: guide post, is provided with the 3rd and introduces section, be provided with the first guide channel and some second guide channels in guide post in guide post front end.The utility model has the advantages that: also can adjust entry point position and needle angle quickly and accurately in clear observation entry point position.
Description
Technical field
This utility model relates to the assistive device for auxiliary intra medullary nail inserting needle, particularly relates to a kind of intramedullary pin inserting needle and regulates combined apparatus.
Background technology
The fixed form of Fracture of femur often adopts intramedullary pin methods of internal fixation, the entry point that intramedullary pin enters femoral bone cavitas medullaris is most important, it is very difficult that the entry point location of intramedullary pin and the incorrect meeting of intramedullary pin needle angle cause intramedullary pin to enter pulp cavity, serious also can affect whole therapeutic process, thus causes Fracture of femur place delayed union, disunion or malunion.At present when performing the operation, the entry point position of intramedullary pin and needle angle are assisted by X-ray, relied on its experience to judge by doctor and adjust, intramedullary pin inserting needle path is introduced into femoral bone cavitas medullaris by guide pin, when intramedullary pin enters femoral bone cavitas medullaris along guide pin introducing path, if the entry point of guide pin is incorrect or introducing path relative pulp cavity generation deflection, then intramedullary pin is difficult to insert or cannot insert in pulp cavity at all.In addition, when there is the situation developed in position, femur side, due to shape and the X-ray developing property of femur self, doctor is difficult to observe guide pin entry point position by X-ray is clear, so just bring certain difficulty for looking for correct entry point in side, easily there is maloperation phenomenon, also can extend the time of operation simultaneously, operate very inconvenient; And this operation is in the auxiliary lower operation of X-ray, greatly can increase the amount of radiation that patient and doctor are subject to like this, be thus badly in need of a kind of can the assistive device of auxiliary intra medullary nail inserting needle.
Utility model content
The required technical problem solved of this utility model is: the intramedullary pin inserting needle providing a kind of energy clear observation entry point position also can adjust entry point position and needle angle quickly and accurately regulates combined apparatus.
For solving the problem, the technical solution adopted in the utility model is: described intramedullary pin inserting needle regulates combined apparatus, comprising: entry point position developer, entry point actuator and needle angle actuator; The structure of described entry point position developer is: comprising: the loop bar be made up of rustless steel, guide channel through before and after being provided with in loop bar, the first introducing section is provided with in the front end of loop bar, first introducing section is by the rear cone reduced gradually to front diameter, loop bar and first is introduced section and to be one of the forming structure, and loop bar is also provided with the guide structure facilitating loop bar to be inserted in or extract; The structure of described entry point actuator is: comprising: adjusting rod, is provided with the second introducing section in adjusting rod front end, and the second introducing section is by the rear cone reduced gradually to front diameter; Adjusting rod rear end is provided with lever, lever, adjusting rod and second are introduced section and to be one of the forming structure, centre pilot passage is through to be arranged in lever, adjusting rod and the second introducing section, centre pilot passage runs through lever rear end face and forms the first pilot hole, and centre pilot passage runs through the second introducing section outer surface and forms the second pilot hole; Some separate adjustment passages are arranged at intervals with at centre pilot channel circumference, each adjustment passage is through to be arranged in lever, adjusting rod and the second introducing section, each adjustment passage runs through lever rear end face and forms the first adjustment hole, and each passage that regulates runs through the second introducing section outer surface and forms the second adjustment hole; Each adjustment passage and centre pilot passage be parallel to each other and distance of shaft centers from different; The structure of described needle angle actuator is: comprising: guide post, is provided with the 3rd introduces section in guide post front end, and the 3rd introducing section is by the rear cone reduced gradually to front diameter; Guide post and the 3rd is introduced section and to be one of the forming structure, introduce in section with the through guide post and the 3rd that is arranged at of the first guide channel of guide post centerline axis parallel, first guide channel runs through guide post rear end face and forms the first pilot hole, and the first guide channel runs through the 3rd to be introduced section outer surface and forms fairlead; The second guide channel that some relative first guide channels tilt is provided with in guide post, the through guide post and the 3rd that is arranged at of each second guide channel is introduced in section, each second guide channel runs through guide post rear end face and forms the second pilot hole, each second guide channel comes together in fairlead after running through the 3rd introducing section, and each second guide channel is all not identical relative to the angle of inclination of the first guide channel.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, wherein, guide structure in the developer of entry point position is: on loop bar sidewall, be provided with the bar-shaped trough with loop bar axis being parallel, through and be connected with guide channel bottom bar-shaped trough before and after bar-shaped trough, loop bar sidewall is also provided with at least one gap be inwardly recessed, and gap is positioned at bar-shaped trough homonymy, and the gap degree of depth is greater than loop bar radius.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, and wherein, the cross sectional shape of described bar-shaped trough is V-arrangement shape, and the upper and lower two sides prolongation of the bar-shaped trough of V-arrangement shape is intersected in loop bar axle center.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, and wherein, the angular range of the angle α of the upper and lower two sides of bar-shaped trough controls within the scope of 110 ° ~ 130 °.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, wherein, introduces section and be provided with outwardly bulge loop on loop bar lateral wall, near first.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, and wherein, the centre pilot passage in entry point actuator and adjusting rod central axis are parallel to each other.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, wherein, lever sidewall spacers is provided with some the first elongate recesses be inwardly recessed, and before and after each first elongate recesses, through and each first elongate recesses is distributed on lever sidewall.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, and wherein, described first elongate recesses is the arc groove be inwardly recessed.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, wherein, the guide post sidewall in needle angle actuator is arranged at intervals with some the second elongate recesses be inwardly recessed, second elongate recesses is arranged along guide post axis direction, and each second shape long recess is distributed on guide post sidewall.
Further, aforesaid intramedullary pin inserting needle regulates combined apparatus, and wherein, described second elongate recesses is the arc groove be inwardly recessed.
The beneficial effects of the utility model are: during (1) operation under X-ray is auxiliary, can clearly observe the loop bar being pressed on femur place, judge guide pin entry point position by the development of loop bar front end by entry point position developer; Arranging of bulge loop can increase development part greatly, thus makes doctor more easily judge guide pin entry point position; If loop bar is moved being inserted in or can making in withdrawal process guide pin position, then doctor can use instrument to clamp guide pin by gap, makes guide pin position maintain original position and not affect by loop bar, uses very convenient, reliable.(2) intramedullary pin entry point actuator is passed through during operation, a certain adjustment passage distance with it being selected to match according to the side-play amount of X-ray development can determine the correct entry point position of intramedullary pin fast, use very convenient, substantially reduce operating time, greatly reduce the amount of radiation suffered by doctor and patient simultaneously.(3) intramedullary pin needle angle actuator is passed through during operation, the most applicable guide lead can be selected to enter the first or second guide channel of femoral bone cavitas medullaris according to X-ray development, so just can adjust the introducing path of guide pin quickly and accurately, thus realize the adjustment of intramedullary pin needle angle, use very convenient, substantially reduce operating time, greatly reduce the amount of radiation suffered by doctor and patient simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that intramedullary pin inserting needle described in the utility model regulates the entry point position developer in combined apparatus.
Fig. 2 is the structural representation of left apparent direction in Fig. 1.
Fig. 3 is the cross-sectional schematic in A-A direction in Fig. 1.
Fig. 4 is the cross-sectional schematic in B-B direction in Fig. 2.
Fig. 5 is the structural representation that intramedullary pin inserting needle described in the utility model regulates the entry point actuator in combined apparatus.
Fig. 6 is the cross-sectional schematic in C-C direction in Fig. 5.
Fig. 7 is the cross-sectional schematic that intramedullary pin inserting needle described in the utility model regulates the needle angle actuator in combined apparatus.
Fig. 8 is the structural representation of left apparent direction in Fig. 7.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical scheme described in the utility model is described in further detail.
As shown in Fig. 1, Fig. 5 and Fig. 7, the intramedullary pin inserting needle described in the present embodiment regulates combined apparatus, comprising: entry point position developer, entry point actuator and needle angle actuator.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, described entry point position developer, comprise: the loop bar 7 be made up of rustless steel, guide channel 71 through before and after being provided with in loop bar 7, the diameter control of guide channel 71 described in the present embodiment within the scope of 2 ± 0.2 ㎜, in actual production, the diameter of guide channel 71 is set to 2 ㎜, like this, can ensure that guide pin is mobile in guide channel 71, can ensure that again the guide pin being positioned at guide channel 71 can not drop out outside guide channel 71 easily.Guide pin can be inserted in guide channel 71, and be provided with the first introducing section 72, first to introduce section 72 be by the rear cone reduced gradually to front diameter in the front end of loop bar 7, and loop bar 7 and the first introducing section 72 are one of the forming structure; On the lateral wall of loop bar 7, near first, introduce section 72 be provided with outwardly bulge loop 8; In the present embodiment, the lateral wall of described bulge loop 8 is outwardly arc bulge loop, and bulge loop front end is 1 ± 0.1 ㎜ to the distance of introducing section front end, in actual production, bulge loop front end is set to 1 ㎜ to the distance introducing section front end, observes best at this position user.The sidewall of loop bar 7 is provided with the bar-shaped trough 9 with the axis being parallel of loop bar 7, before and after bar-shaped trough 9, the through and bottom of bar-shaped trough 9 is connected with guide channel 71, in the present embodiment, the cross sectional shape of described bar-shaped trough 9 is V-arrangement shape, and the upper and lower two sides of the bar-shaped trough 9 of V-arrangement shape extend the axle center being intersected in loop bar 7; The angular range of the angle α of the upper and lower two sides of bar-shaped trough 9 controls within the scope of 110 ° ~ 130 °; In the present embodiment, the angle α best angle of the upper and lower two sides of bar-shaped trough 9 is 120 °.When performing the operation, loop bar 7 can be observed more intuitively by bar-shaped trough 9 and whether be inserted in guide pin swimmingly or extract from guide pin.As shown in figures 1 and 3, the sidewall of loop bar 7 is also provided with at least one gap 10 be inwardly recessed, and gap 10 is positioned at the homonymy of bar-shaped trough 9, and the groove depth of gap 10 is greater than the radius of loop bar 7 and gap 10 up/down perforation.In the present embodiment, as shown in Figure 1, the sidewall of loop bar 7 is arranged at intervals with three gap be inwardly recessed 10.When loop bar 7 is when being inserted in or making in withdrawal process guide pin position to be moved, the instrument of clamping guide pin clamps guide pin by gap 10, makes the relative guide pin motion of loop bar 7 and not by the interference of instrument, prevents guide pin position from moving.
As shown in Figure 5 and Figure 6, described intramedullary pin entry point actuator, comprising: adjusting rod 1, and being provided with the second introducing section 11, second introducing section 11 in the front end of adjusting rod 1 is by the rear cone reduced gradually to front diameter; Second of cone shape is introduced section 11 and can be stretched to and femur inserting needle location contacts from skin incision by guide adjustment bar 1 better.The rear end of adjusting rod 1 is provided with lever 2, lever 2, adjusting rod 1 and second are introduced section 11 and to be one of the forming structure, in the present embodiment, the sidewall spacers of lever 2 is provided with some the first elongate recesses 21 be inwardly recessed, through and be distributed on the sidewall of lever 2 before and after each first elongate recesses 21, in the present embodiment, the arc groove of described first elongate recesses 21 for being inwardly recessed, first elongate recesses 21 can make doctor can control this intramedullary pin entry point actuator better, effectively improves procedure efficiency.Centre pilot passage 3 is through to be arranged in lever 2, adjusting rod 1 and the second introducing section 11, and centre pilot passage 3 runs through lever rear end face and forms the first pilot hole 22, and centre pilot passage 3 runs through the second introducing section outer surface and forms the second pilot hole; In the present embodiment, centre pilot passage 3 is parallel to each other with the central axis of adjusting rod 1.Centre pilot passage 3 ambient separation is provided with some separate adjustment passages 31, each adjustment passage 31 is through to be arranged in lever 2, adjusting rod 1 and the second introducing section 11, each adjustment passage 31 runs through lever 2 rear end face and forms the first adjustment hole 23, and each passage 31 that regulates runs through the second introducing section outer surface and forms the second adjustment hole; Each adjustment passage 31 and centre pilot passage 3 be parallel to each other and distance of shaft centers from different.In the present embodiment, the rear end face of lever 2 is provided with the pitch-row value identifying each first adjustment hole 23 to the first pilot hole 22.Lever lateral wall is respectively arranged with the pitch-row value of a certain adjustment hole of mark to arbitrary adjustment hole, the use of the convenient doctor of energy like this.In the present embodiment, centre pilot passage 3 ambient separation is provided with four separate adjustment passages 31, namely the pitch-row value forming four the first adjustment holes, 23, four the first adjustment hole 23 to the first pilot holes 22 at the rear end face of lever 2 is respectively: 4.2 ㎜, 4.5 ㎜, 5.0 ㎜, 5.5 ㎜; Pitch-row value between each second adjustment hole is respectively: 6 ㎜, 6.5 ㎜, 7 ㎜, 7.5 ㎜, 9.2 ㎜, 10 ㎜, on an actuator, just there are 10 adjustable ranges available like this, adjustable range and regulate the quantity of passage 31 can Design and Machining according to actual needs.
As shown in Figure 7 and Figure 8, described intramedullary pin needle angle actuator, comprising: guide post 4, and being provided with the 3rd introducing section the 5, three introducing section 5 in the front end of guide post 4 is by the rear cone reduced gradually to front diameter; Guide post 4 and the 3rd is introduced section 5 and to be one of the forming structure, and the 3rd of cone shape is introduced section 5 and guide post 4 can be guided better to stretch to and femur inserting needle location contacts from skin incision.The through guide post 4 and the 3rd that is arranged at of first guide channel 6 is introduced in section 5, first guide channel 6 is parallel to each other with the central axis of guide post 4, first guide channel 6 runs through guide post 4 rear end face and forms the first pilot hole 41, first guide channel 6 and run through the 3rd and introduce section outer surface and form fairlead 51; The second guide channel 61 that some relative first guide channels 6 tilt is provided with in guide post 4, the through guide post 4 and the 3rd that is arranged at of each second guide channel 61 is introduced in section 5, each second guide channel 61 runs through the rear end face of guide post 4 and forms the second pilot hole 42, each second guide channel 61 comes together in fairlead 51 after running through introducing section 5, and the angle of inclination of relative first guide channel 6 of each second guide channel 61 is all not identical.As shown in Figure 1, in the present embodiment, the angle of inclination being provided with relative first guide channel 6 of three the second guide channels, 61, three the second guide channels 61 in guide post 4 is respectively: 3 °, 5 °, 7 °.In the present embodiment, the sidewall of guide post 4 is arranged at intervals with some the second elongate recesses 43, second elongate recesses 43 be inwardly recessed and arranges along guide post 4 axis direction, each second elongate recesses 43 is distributed on the sidewall of guide post 4.In the present embodiment, the arc groove of described second elongate recesses 43 for being inwardly recessed.The setting of the second elongate recesses 43, makes doctor can control this intramedullary pin needle angle actuator better, effectively improves procedure efficiency.
During operation, under X-ray is auxiliary, guide pin is stretched to from skin incision and contacts with femur, then the loop bar 7 of entry point position developer is inserted in from guide pin rear end and contacts to femur, in the process of being inserted in, if guide pin be stuck in loop bar 7, in guide channel 71 time, instrument can be used to pass through grooves hold guide pin, guide pin is maintained to move with loop bar 7, then make the relative guide pin motion of loop bar 7 until the front end of loop bar 7 contacts with femur, now, guide pin entry point position can just be judged by the development of loop bar front end.If guide pin entry point position is not correct entry point position, second pilot hole 23 of the adjusting rod 1 of entry point actuator is just inserted in guide pin, guide pin is made to be positioned at centre pilot passage 3, then according to the guide pin needle point of X-ray development and the side-play amount correctly between entry point, the a certain adjustment passage selecting distance with it to match, then rotation adjusting lever makes the adjustment passage of this coupling rotate to relevant position.Suppose that the side-play amount between the guide pin needle point of development and correct entry point is 5 ㎜, then rotate to relevant position by with the first pilot hole 22 at a distance of first adjustment hole 23 of 5 ㎜ according to the pitch-row value of mark, then guide pin is inserted in this adjustment passage 31 and can determine correct entry point position.If guide pin needle angle offsets correct introducing path, the fairlead 51 of guide post is just inserted in guide pin, guide pin is made to be positioned at the first guide channel 6, the angular deflection degree of guide pin needle angle is judged according to X-ray development, then the most applicable guide lead is selected to enter a certain second guide channel 61 of femoral bone cavitas medullaris, suppose that the degree of skewness of the guide pin being positioned at the first guide channel 6 is 3 °, then rotary steering bar makes to rotate to relevant position with the second guide channel 61 of the first guide channel 6 deflection 3 °, guide pin is made to enter femoral bone cavitas medullaris under the guiding of this second guide channel 61, then intramedullary pin just can enter femoral bone cavitas medullaris along guide pin introducing path swimmingly.
The utility model has the advantages that: during (1) operation under X-ray is auxiliary, clearly can be observed the loop bar 7 being pressed on femur place by entry point position developer, judge guide pin entry point position by the development of loop bar front end; Arranging of bulge loop 8 can increase development part greatly, thus makes doctor more easily judge guide pin entry point position; In addition, if loop bar 7 is moved being inserted in or can making in withdrawal process guide pin position, then doctor can use instrument to clamp guide pin by gap 10, makes guide pin position maintain original position and not by the impact of loop bar 7, use very convenient, reliable.(2) intramedullary pin entry point actuator is passed through during operation, the a certain adjustment passage 31 distance with it being selected to match according to the side-play amount of X-ray development can determine the correct entry point position of intramedullary pin fast, use very convenient, substantially reduce operating time, greatly reduce the amount of radiation suffered by doctor and patient simultaneously.(3) intramedullary pin needle angle actuator is passed through during operation, the most applicable guide lead can be selected to enter the 4th guide channel 61 of femoral bone cavitas medullaris according to X-ray development, so just can adjust the introducing path of guide pin quickly and accurately, thus realize the adjustment of intramedullary pin needle angle, use very convenient, substantially reduce operating time, greatly reduce the amount of radiation suffered by doctor and patient simultaneously.
Claims (10)
1. intramedullary pin inserting needle regulates combined apparatus, it is characterized in that: comprising: entry point position developer, entry point actuator and needle angle actuator; The structure of described entry point position developer is: comprising: the loop bar be made up of rustless steel, guide channel through before and after being provided with in loop bar, the first introducing section is provided with in the front end of loop bar, first introducing section is by the rear cone reduced gradually to front diameter, loop bar and first is introduced section and to be one of the forming structure, and loop bar is also provided with the guide structure facilitating loop bar to be inserted in or extract; The structure of described entry point actuator is: comprising: adjusting rod, is provided with the second introducing section in adjusting rod front end, and the second introducing section is by the rear cone reduced gradually to front diameter; Adjusting rod rear end is provided with lever, lever, adjusting rod and second are introduced section and to be one of the forming structure, centre pilot passage is through to be arranged in lever, adjusting rod and the second introducing section, centre pilot passage runs through lever rear end face and forms the first pilot hole, and centre pilot passage runs through the second introducing section outer surface and forms the second pilot hole; Some separate adjustment passages are arranged at intervals with at centre pilot channel circumference, each adjustment passage is through to be arranged in lever, adjusting rod and the second introducing section, each adjustment passage runs through lever rear end face and forms the first adjustment hole, and each passage that regulates runs through the second introducing section outer surface and forms the second adjustment hole; Each adjustment passage and centre pilot passage be parallel to each other and distance of shaft centers from different; The structure of described needle angle actuator is: comprising: guide post, is provided with the 3rd introduces section in guide post front end, and the 3rd introducing section is by the rear cone reduced gradually to front diameter; Guide post and the 3rd is introduced section and to be one of the forming structure, introduce in section with the through guide post and the 3rd that is arranged at of the first guide channel of guide post centerline axis parallel, first guide channel runs through guide post rear end face and forms the first pilot hole, and the first guide channel runs through the 3rd to be introduced section outer surface and forms fairlead; The second guide channel that some relative first guide channels tilt is provided with in guide post, the through guide post and the 3rd that is arranged at of each second guide channel is introduced in section, each second guide channel runs through guide post rear end face and forms the second pilot hole, each second guide channel comes together in fairlead after running through the 3rd introducing section, and each second guide channel is all not identical relative to the angle of inclination of the first guide channel.
2. regulate combined apparatus according to intramedullary pin inserting needle according to claim 1, it is characterized in that: the guide structure in the developer of entry point position is: on loop bar sidewall, be provided with the bar-shaped trough with loop bar axis being parallel, through and be connected with guide channel bottom bar-shaped trough before and after bar-shaped trough, loop bar sidewall is also provided with at least one gap be inwardly recessed, gap is positioned at bar-shaped trough homonymy, and the gap degree of depth is greater than loop bar radius.
3. regulate combined apparatus according to intramedullary pin inserting needle according to claim 2, it is characterized in that: the cross sectional shape of described bar-shaped trough is V-arrangement shape, the upper and lower two sides prolongation of the bar-shaped trough of V-arrangement shape is intersected in loop bar axle center.
4. regulate combined apparatus according to intramedullary pin inserting needle according to claim 3, it is characterized in that: the angular range of the angle α of the upper and lower two sides of bar-shaped trough controls within the scope of 110 ° ~ 130 °.
5. regulate combined apparatus according to the intramedullary pin inserting needle described in claim 1 or 2, it is characterized in that: on loop bar lateral wall, near first, introduce section be provided with outwardly bulge loop.
6. regulate combined apparatus according to intramedullary pin inserting needle according to claim 1, it is characterized in that: the centre pilot passage in entry point actuator and adjusting rod central axis are parallel to each other.
7. regulate combined apparatus according to the intramedullary pin inserting needle described in claim 1 or 6, it is characterized in that: lever sidewall spacers is provided with some the first elongate recesses be inwardly recessed, before and after each first elongate recesses, through and each first elongate recesses is distributed on lever sidewall.
8. regulate combined apparatus according to intramedullary pin inserting needle according to claim 7, it is characterized in that: described first elongate recesses is the arc groove be inwardly recessed.
9. regulate combined apparatus according to intramedullary pin inserting needle according to claim 1, it is characterized in that: the guide post sidewall in needle angle actuator is arranged at intervals with some the second elongate recesses be inwardly recessed, second elongate recesses is arranged along guide post axis direction, and each second shape long recess is distributed on guide post sidewall.
10. regulate combined apparatus according to intramedullary pin inserting needle according to claim 9, it is characterized in that: described second elongate recesses is the arc groove be inwardly recessed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107764.0U CN204600663U (en) | 2015-02-15 | 2015-02-15 | Intramedullary pin inserting needle regulates combined apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107764.0U CN204600663U (en) | 2015-02-15 | 2015-02-15 | Intramedullary pin inserting needle regulates combined apparatus |
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| CN204600663U true CN204600663U (en) | 2015-09-02 |
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| CN201520107764.0U Expired - Fee Related CN204600663U (en) | 2015-02-15 | 2015-02-15 | Intramedullary pin inserting needle regulates combined apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665921A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Intramedullary nail entry regulation combined apparatus |
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2015
- 2015-02-15 CN CN201520107764.0U patent/CN204600663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665921A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Intramedullary nail entry regulation combined apparatus |
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Granted publication date: 20150902 Termination date: 20170215 |
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