CN205126445U - Slide and oscillating orthopedics location guide pin guider - Google Patents
Slide and oscillating orthopedics location guide pin guider Download PDFInfo
- Publication number
- CN205126445U CN205126445U CN201520958128.9U CN201520958128U CN205126445U CN 205126445 U CN205126445 U CN 205126445U CN 201520958128 U CN201520958128 U CN 201520958128U CN 205126445 U CN205126445 U CN 205126445U
- Authority
- CN
- China
- Prior art keywords
- boss
- dwang
- guide pin
- location guide
- slippage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a slide and oscillating orthopedics location guide pin guider, include: fixed plate, sliding plate, head rod, first dwang, second dwang, second connecting rod, altitude mixture control board aim needle, uide bushing and a plurality of spiral shell firmware, the sliding plate is installed on the fixed plate, head rod and sliding plate fixed connection, and head rod, first dwang, second dwang, second connecting rod loop through spiral shell firmware swing joint, are equipped with the spout on the second connecting rod, and the altitude mixture control board is installed in the spout, aim the needle and the both ends at the altitude mixture control board are installed respectively perpendicularly to the uide bushing. The utility model discloses the cooperation image is technological, can improve the accuracy of pilot pin in implementing the femoral neck operation effectively, realizes no wound and verifies, solves the bare -handed not stability problem that operates.
Description
Technical field
This utility model belongs to orthopedic medical device, auxiliary positioning apparatus.
Background technology
At present, in near end of thighbone operation, such as fracture of femoral neck internal fixation and femur head necrosis improvement decompression grafting of fibula, inserting of guide pin of location is under the guiding of C arm X-ray machine, undertaken by doctor is free-hand, its accuracy, safety and effectiveness are all lower, are difficult to obtain desirable biomechanics configuration in the narrow and small geometric space of neck of femur; Repeatedly thread a needle and also can damage the remaining normal bone structure of femoral head and neck further, cause unnecessary iatrogenic infringement; In addition, repeatedly have an X-rayed, patient and doctor will accept the ionizing radiation of suitable dosage, also have suitable hazardness.
Utility model content
The purpose of this utility model is to avoid deficiency of the prior art and provides a kind of orthopaedics to locate guide pin guider, and it can carry out slippage and oscillation adjustment, thus effectively improves the accuracy of positioning needle in the operation of enforcement femoral head and neck.
The purpose of this utility model is achieved through the following technical solutions:
Slippage and swing type orthopaedics location guide pin guider, comprise: fixing head (1), sliding panel (2), head rod (3), the first dwang (4), the second dwang (5), the second connecting rod (6), DOCK LEVELER (7), aim at pin (8), fairlead (9) and some screw tightenings (10), described fixing head (1) is arranged in the femoral shaft of human body, described sliding panel (2) is arranged on fixing head (1), head rod (3) is fixedly connected with sliding panel (2), head rod (3), first dwang (4), second dwang (5), second connecting rod (6) is flexibly connected by screw tightening (10) successively, second connecting rod (6) is provided with chute (61), described DOCK LEVELER (7) is arranged in chute (61) by screw tightening (10), and can move in parallel in chute (61), described aiming pin (8) and fairlead (9) are vertically mounted on the two ends of DOCK LEVELER (7) respectively.
Further, described fixing head (1) outside is provided with gathering sill (11), at least two femoral shaft locking holes (12) and at least one connection locking hole (13) is provided with in described gathering sill (11), the position of the connection locking hole (13) of described fixing head (1) inner side is provided with groove (14), described sliding panel (2) is provided with the installing hole (21) of some track types, and screw tightening (10) is fixed in the connection locking hole (13) of gathering sill (11) by installing hole (21).
Preferably, described two ends, fixing head (1) inner side are respectively equipped with the arc armlet (15) of the indent that contacts with Shaft of human femur.
Preferably, described sliding panel (2) is provided with scale.
Further, described head rod (3) is being provided with the first boss (31) with the first dwang (4) link place, described the first dwang (4) one end is provided with the second boss (41), one end is provided with the 3rd boss (42), described the second dwang (5) one end is provided with the 4th boss (51), one end is planar base surface C face, and described the second connecting rod (6) is provided with the 5th boss (62); Second boss (41) coordinates with the first boss (31) and is flexibly connected, its contact surface is A face, 4th boss (51) coordinates with the 3rd boss (42) and is flexibly connected, its contact surface is B face, 5th boss (62) is being flexibly connected with planar base surface, wherein A face becomes an angle of 90 degrees with B face, and B face becomes an angle of 90 degrees with C face.
Wherein, described the first boss (31), the second boss (41), the 3rd boss (42), the 4th boss (51) outside are arc surface.
Wherein, described DOCK LEVELER (7) is provided with some track type height adjusting holes (71).
Preferably, described DOCK LEVELER (7) is provided with scale.
Owing to have employed above-mentioned structure, the beneficial effects of the utility model are:
1, this utility model structure is simple, and equipment cost is lower.
2, coordinate image technology, implement the accuracy that femoral head and neck operation improves positioning needle effectively.Coordinate this utility model to configure follow-up screw and the position of fibula, improve accuracy, reach the biomechanics requirement meeting equilateral triangle or del.
3, the checking of bone cervical region hurtless measure can be realized, solve the problem of hand operation instability and accuracy rate.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure schematic diagram of Fig. 1.
Fig. 3 is decomposing schematic representation of the present utility model.
Fig. 4 is the connection diagram of head rod of the present utility model, the first dwang, the second dwang, the second connecting rod.
Fig. 5 is the schematic front view of this utility model using state.
Fig. 6 is the schematic top plan view of Fig. 5.
Primary clustering symbol description:
1: fixing head, 11: gathering sill, 12: femoral shaft locking hole, 13: connect locking hole, 14: groove, 15: arc armlet
2: sliding panel, 21: installing hole
3: head rod, 31: the first boss
4: the first dwangs, 41: the second boss, 42: the three boss
5: the second dwangs, 51: the four boss
6: the second connecting rods, 61: chute, 62: the five boss
7: DOCK LEVELER, 71: height adjusting holes
8: aim at pin
9: fairlead
10: screw tightening.
Detailed description of the invention
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Core of the present utility model is to provide a kind of slippage and swing type orthopaedics location guide pin guider, as shown in Figure 1 and Figure 2, comprise fixing head 1, sliding panel 2, head rod 3, first dwang 4, second dwang 5, second connecting rod 6, DOCK LEVELER 7, aim at pin 8, fairlead 9 and some screw tightenings 10.
As shown in Figure 3, details are as follows for the concrete structure of each parts:
Gathering sill 11 is provided with outside fixing head 1.At least two (the present embodiment is four) femoral shaft locking holes 12 and at least one (the present embodiment is two) connection locking hole 13 is provided with in gathering sill 11.The position of the connection locking hole 13 inside fixing head 1 is provided with groove 14.The setting of groove 14, make fixing head 1 when locking with screw-nut, nut is just in time positioned at groove 14, does not contact with the femoral shaft of human body.Inside fixing head 1, two ends are respectively equipped with the arc armlet 15 of the indent that contacts with Shaft of human femur, the setting of arc armlet 15, and when fixing head 1 is contacted with femoral shaft, laminating degree is better.
Sliding panel 2 is provided with two track type installing holes 21, and screw tightening 10 is fixed in the connection locking hole 13 of gathering sill 11 by installing hole 21.Sliding panel 2 is provided with scale, is convenient to the distance accurately controlling slippage.
Shown in composition graphs 4, head rod 3 is being provided with the first boss 31 with the first dwang 4 link place.First dwang 4 one end is provided with the second boss 41, and one end is provided with the 3rd boss 42, second boss 41 and arranges with the 3rd boss 42 one-tenth an angle of 90 degrees.Second dwang 5 one end is provided with the 4th boss 51, and one end is planar base surface C face.Second connecting rod 6 is provided with the 5th boss 62.
Second boss 41 and the first boss 31 contact surface are A face, and two boss coordinate flexible connection, and be arc surface outside the first boss 31, second boss 41, range of activity is 180 degree of anglecs of rotation.4th boss 51 and the 3rd boss 42 contact surface are B face, and two boss coordinate flexible connection, for arc surface range of activity is 180 degree of anglecs of rotation outside the 4th boss 51, the 3rd boss 42.5th boss 62 is being flexibly connected with planar base surface, and contact surface is C face, and range of activity is 360 degree of anglecs of rotation.A face becomes an angle of 90 degrees with B face, and B face becomes an angle of 90 degrees with C face.As can be seen from this structure, by two dwangs and two connecting rods, the motion of three degree of freedom can be realized, be convenient to the adjustment of all directions.
DOCK LEVELER 7 is provided with two track type height adjusting holes 71, and DOCK LEVELER 7 is provided with scale, is convenient to the height distance of accurate adjustment slippage.
Installation process of the present utility model is as follows:
Sliding panel 2 is arranged on fixing head 1 by connecting locking hole 13, head rod 3 is fixedly connected with sliding panel 2 screw tightening 10, head rod 3, first dwang 4, second dwang 5, second connecting rod 6 is flexibly connected by screw tightening 10 successively, DOCK LEVELER 7 is arranged in the chute 61 of the second connecting rod 6 by screw tightening 10, and can move in parallel in chute 61, aiming pin 8 and fairlead 9 are vertically mounted on the two ends of DOCK LEVELER 7 respectively.
This utility model use procedure is as follows:
1, by preliminary for fairlead 9 of the present utility model close neck of femur outer end, fixing head 1 is basically identical with femoral shaft axis, is fixed in femoral shaft by fixing head 1 through femoral shaft locking hole 12 with screw.
2. use laser rays Verticality gauge correction aiming pin 8 and fairlead 9 axis in same vertical.Correct navigator or C-arm X-ray machine vertical.Aim at pin 8 under the guiding of navigator or C-arm X-ray machine, display aims at the position of the image of pin 8 and femoral head neck, adjustment aims at the position of pin 8, until aim at pin 8 and femoral head neck dead in line, now the axis of positioning needle (Kirschner wire) also with neck of femur dead in line.
3. adjust the height of fairlead 9, make laser rays aim at entry point.Adjustment top rake is at 12 ° ~ 15 °.A certain concrete condition after adjusting as shown in Figure 5, Figure 6.Positioning needle (Kirschner wire) inserting needle is implemented finally by fairlead 9.
This utility model navigator image-guided under, first use external aiming pin 8 parallel with top rake with neck of femur bar angle, then pan body aims at pin 8 outward and overlaps with neck of femur rod axis.Or C arm X-ray machine image-guided under, first use external aiming pin 8 parallel with neck of femur bar angle, adjustment guider top rake at 12 ° ~ 15 °.Pan body aims at pin 8 outward and overlaps with neck of femur rod axis again.Location guide pin inserting needle is guided finally by fairlead 9.This utility model can improve the location accuracy of guide pin, safety and effectiveness, ensures the biomechanics usefulness of internal fixtion configuration simultaneously, reduces iatrogenic and ionizing radiation infringement.
Although this utility model illustrates above-mentioned preferred implementation; but should illustrate; although those skilled in the art can carry out various change and remodeling, unless such change and remodeling deviate from scope of the present utility model, otherwise all should be included in protection domain of the present utility model.
Claims (8)
1. slippage and swing type orthopaedics location guide pin guider, it is characterized in that, comprising: fixing head (1), sliding panel (2), head rod (3), the first dwang (4), the second dwang (5), the second connecting rod (6), DOCK LEVELER (7), aiming pin (8), fairlead (9) and some screw tightenings (10), described fixing head (1) is arranged in the femoral shaft of human body, described sliding panel (2) is arranged on fixing head (1), head rod (3) is fixedly connected with sliding panel (2), head rod (3), first dwang (4), second dwang (5), second connecting rod (6) is flexibly connected by screw tightening (10) successively, second connecting rod (6) is provided with chute (61), described DOCK LEVELER (7) is arranged in chute (61) by screw tightening (10), and can move in parallel in chute (61), described aiming pin (8) and fairlead (9) are vertically mounted on the two ends of DOCK LEVELER (7) respectively.
2. slippage as claimed in claim 1 and swing type orthopaedics location guide pin guider, it is characterized in that: described fixing head (1) outside is provided with gathering sill (11), at least two femoral shaft locking holes (12) and at least one connection locking hole (13) is provided with in described gathering sill (11), the position of the connection locking hole (13) of described fixing head (1) inner side is provided with groove (14), described sliding panel (2) is provided with the installing hole (21) of some track types, screw tightening (10) is fixed in the connection locking hole (13) of gathering sill (11) by installing hole (21).
3. slippage as claimed in claim 2 and swing type orthopaedics location guide pin guider, is characterized in that:
Described two ends, fixing head (1) inner side are respectively equipped with the arc armlet (15) of the indent that contacts with Shaft of human femur.
4. slippage as claimed in claim 2 and swing type orthopaedics location guide pin guider, is characterized in that: described sliding panel (2) is provided with scale.
5. the slippage as described in any one of Claims 1 to 4 and swing type orthopaedics location guide pin guider, it is characterized in that: described head rod (3) is being provided with the first boss (31) with the first dwang (4) link place, described the first dwang (4) one end is provided with the second boss (41), one end is provided with the 3rd boss (42), described the second dwang (5) one end is provided with the 4th boss (51), one end is planar base surface C face, and described the second connecting rod (6) is provided with the 5th boss (62); Second boss (41) coordinates with the first boss (31) and is flexibly connected, its contact surface is A face, 4th boss (51) coordinates with the 3rd boss (42) and is flexibly connected, its contact surface is B face, 5th boss (62) is being flexibly connected with planar base surface, wherein A face becomes an angle of 90 degrees with B face, and B face becomes an angle of 90 degrees with C face.
6. slippage as claimed in claim 5 and swing type orthopaedics location guide pin guider, is characterized in that: described the first boss (31), the second boss (41), the 3rd boss (42), the 4th boss (51) outside are arc surface.
7. slippage as claimed in claim 1 and swing type orthopaedics location guide pin guider, is characterized in that: described DOCK LEVELER (7) is provided with some track type height adjusting holes (71).
8. slippage as claimed in claim 7 and swing type orthopaedics location guide pin guider, is characterized in that: described DOCK LEVELER (7) is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958128.9U CN205126445U (en) | 2015-11-27 | 2015-11-27 | Slide and oscillating orthopedics location guide pin guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958128.9U CN205126445U (en) | 2015-11-27 | 2015-11-27 | Slide and oscillating orthopedics location guide pin guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205126445U true CN205126445U (en) | 2016-04-06 |
Family
ID=55612273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520958128.9U Withdrawn - After Issue CN205126445U (en) | 2015-11-27 | 2015-11-27 | Slide and oscillating orthopedics location guide pin guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205126445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266875A (en) * | 2015-11-27 | 2016-01-27 | 广东工业大学 | Gliding and swinging type orthopaedics positioning guide needle guider |
| CN107149490A (en) * | 2017-05-18 | 2017-09-12 | 汤向阳 | A kind of complete positioner of artificial full hip-joint replacement |
-
2015
- 2015-11-27 CN CN201520958128.9U patent/CN205126445U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266875A (en) * | 2015-11-27 | 2016-01-27 | 广东工业大学 | Gliding and swinging type orthopaedics positioning guide needle guider |
| CN105266875B (en) * | 2015-11-27 | 2017-06-09 | 广东工业大学 | Sliding and swing type orthopaedics positioning guide pin guider |
| CN107149490A (en) * | 2017-05-18 | 2017-09-12 | 汤向阳 | A kind of complete positioner of artificial full hip-joint replacement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160406 Effective date of abandoning: 20170609 |