CN208130045U - Fracture compression locating device - Google Patents
Fracture compression locating device Download PDFInfo
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- CN208130045U CN208130045U CN201720628045.2U CN201720628045U CN208130045U CN 208130045 U CN208130045 U CN 208130045U CN 201720628045 U CN201720628045 U CN 201720628045U CN 208130045 U CN208130045 U CN 208130045U
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- clamping limb
- positioning
- fracture
- locating device
- positioning seat
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Abstract
The utility model relates to a kind of fracture compression locating device, the fracture compression locating device includes the first clamping limb, the second clamping limb；The first clamping limb distal end is equipped with the first positioning seat, and is equipped with the first locking bar close to the position of handle ring in the first clamping limb；The distal end of second clamping limb is equipped with the second positioning seat, and the second locking bar is equipped at the position of the close handle ring of the second clamping limb；The upper surface of first locking bar is marked with graduated scale；First positioning seat includes the first locating platform, the first positioning tooth；The first positioning base inner surface is equipped with the first positioning tooth；Second positioning seat includes the second locating platform, the second positioning tooth, turning joint, sleeve；The fracture fixator further includes fine tuning guide wire apparatus.Its advantage is shown：A kind of fracture compression locating device of the utility model, it is fixed, can be accurately positioned that sclerite and guiding, screw length can measure, can pressurize osteocomma, promote union.
Description
Technical field
The utility model relates to the field of medical instrument technology, specifically, being a kind of fracture compression locating device.
Background technique
People are inevitably led to the generation of fracture by unexpected injury in production and life, have not only brought pole
Big pain, malpractice are also possible to leave lifelong disability, influence normal production and living, or even lose the energy taken care of oneself
Power.Reach the good target for resetting and restoring that normal physiological function is orthopedist's pursuit after fracture, in art.However, human body
Bone it is complex-shaped, the degree being hurt is also different, to accomplish to restore completely sometimes, by utensil be not impossible
's.Then, medical science and technology worker has developed a variety of suitable for the different parts reduction of the fracture and fixed steel plate, achieves good
Good using effect relieves the pain of injury for thousands upon thousands fracture patients.Its steel plate needs to be fixed on fracture by forcing screw
At block position, however, the following defects and deficiencies exist being directed to screw fixation steel plate by medical worker in the prior art.
Firstly, screw 5 is placed in generally by electric drill, screw 5 when medical worker in the prior art carries out interior fixed
Trend can only be positioned according to the experience of doctor and exploration, it occur frequently that sclerite offset, be not fixed firmly lean on, positioning and directing
Difficult, sclerite screw 5 is beaten oblique, sclerite and is fallen, the progress that can not be successfully so as to cause operation.
Secondly, the physiological structure of different fracture sites is different, the trend that different parts need screw 5 different, only with electric drill
Merging screw 5 cannot be accurately positioned sclerite, cannot accurately be oriented to punching.Than as seen in Figure 6, fracture of calcaneus, steel plate 4 be placed on
61 on the outside of bone, but the sustentaculum of talus 62 (extremely important, to carry the weight of astragalus) of survey 6 is difficult to be fixed in calcaneum.Position is low
Fixation does not live, high to arrive articular surface 63.Similarly, it is also in this way (see Fig. 7) that olecroanon, which merges the fracture of coronoid process 64,.And some
In special case, such as near end of thighbone comminuted fracture, needs insertion intramedullary nail 65 in marrow to combine steel plate 4 fixed, also require in this way
Screw 5 on steel plate 4 will accurately avoid the intramedullary nail 65 in pulp cavity (see Fig. 8 and Fig. 9).
In addition, usually selecting the specification of screw 5 to beat by rule of thumb in the prior art in steel plate 4 when drivescrew 5
Enter, before squeezing into, the length of screw 5 cannot be measured, the too short or too long problem of screw 5 usually occur, screw 5 is too
It is short not to be capable of fixing, it is too long to arrive soft tissue.
Furthermore in current surgical procedure instrument, electric drill is all beaten on one side to another side (see Figure 10) from bone, and ideal is done
Method thinks that screw 5 come out from exit point 66, so that screw 5 moves towards fracture line 68 vertically, but practical deviation of moving towards exports B point
67, meanwhile, electric drill is easy opposite osteocomma to open, and is acted on without pressurization osteocomma.
Chinese patent literature CN201520198375.3, the applying date 20150403, patent name is：Intertrochanter fracture of femur
DHS locating guider discloses kind of an intertrochanter fracture of femur DHS locating guider comprising locating rod is connected to positioning rod end
The fixing steel plate in portion and one end are connected to the pilot sleeve that the locating rod other end is connected to fixing steel plate, in the locating rod
The coplanar A of the central axis of mandrel line and fixing steel plate, in 12-15 ° of folder between the central axis and plane A of the pilot sleeve
Angle.
Above patent document be intended to solve a kind of can avoid due to anteversion of femoral neck and caused by pierce guide pin
The problem of Shi Rongyi is shifted, main nail are screwed into and are inserted in displacement fracture caused by steel plate after steel plate is bonded completely with femur (rear is divided
From) problem and steel plate and femur rear fitting front separate the problems such as later period broken nail rate is big.But about fixed, energy
It is enough accurately positioned sclerite and guiding, screw length can measure, the technical solution for the osteocomma that can pressurize is then without corresponding open.
In conclusion need it is a kind of it is fixed, can be accurately positioned sclerite and guiding, screw length can measure,
Can pressurize the fracture compression locating device of osteocomma, and yet there are no report about this fracture compression locating device.
Summary of the invention
The purpose of this utility model be aiming at the shortcomings in the prior art, provide it is a kind of it is fixed, can be accurately positioned
Sclerite and guiding, screw length can measure, the fracture compression locating device for the osteocomma that can pressurize.
To achieve the above object, the technical scheme adopted by the utility model is that：
A kind of fracture compression locating device, the fracture compression locating device include the first clamping limb, the second clamping limb；It is described
First clamping limb and the second clamping limb are hinged by shaft, and the distal end of the first clamping limb and the second clamping limb and are proximally located at
In same plane；The first clamping limb distal end is equipped with the first positioning seat, and proximal end is equipped with handle ring, and close in the first clamping limb
The position of handle ring is equipped with the first locking bar；The distal end of second clamping limb is equipped with the second positioning seat, and proximal end is equipped with handle ring,
And the second locking bar is equipped at the position of the close handle ring of the second clamping limb；First positioning seat and the second positioning seat, which are formed, to clamp
Mouth shape；The upper surface of first locking bar is marked with graduated scale；First positioning seat includes the first locating platform, first
Positioning tooth；The first positioning base inner surface is equipped with the first positioning tooth；Second positioning seat includes the second locating platform, the
Two positioning tooths, turning joint, sleeve；Described turning joint one end is equipped with the second positioning tooth；The turning joint other end is hinged
Sleeve；The fracture fixator further includes fine tuning guide wire apparatus.
As a kind of perferred technical scheme, the upper surface of second locking bar is equipped with protrusion, the protrusion and first
The groove of locking bar is meshed.
As a kind of perferred technical scheme, second positioning tooth is at least three, and annular spread is in turning joint
On outer peripheral surface.
As a kind of perferred technical scheme, the turning joint is hollow structure, and is communicated with the inner passage of sleeve.
As a kind of perferred technical scheme, the fine tuning guide wire apparatus includes guidewire body, guide head；The guiding
The distal end of guidewire body is arranged in head, and the guide head is matched with the first positioning tooth.
As a kind of perferred technical scheme, the center of first locating platform and the first clamping limb and the second clamping limb
Axis parallelly distribute on.
As a kind of perferred technical scheme, second locating platform and the first positioning table parallelly distribute on.
As a kind of perferred technical scheme, the center of the first positioning tooth of center face of the turning joint.
As a kind of perferred technical scheme, the fine-tuned knob of the sleeve is connect with turning joint.
The utility model advantage is：
1, a kind of fracture compression locating device of the utility model, it is fixed, can be accurately positioned sclerite and guiding,
Screw length can measure, can pressurize osteocomma, promote union；
2, the first clamping limb and the second clamping limb are hinged by shaft, and the equal position in both ends of the first clamping limb and the second clamping
In in same plane, the benefit of the design method is：Two clamping limbs are stressed member so that corresponding first positioning seat with
And can be movable when the second positioning seat stress, high sensitivity realizes the clamping to sclerite convenient for fast accurate；
3, two clamping limbs are hinged, and inserting a finger into two handle rings, which can be operated, meets manpower manipulation habit, can
Realize fine operation；
4, the first positioning tooth and the second positioning tooth, which are mainly inserted into sclerite, plays occlusion fixed function, prevents sclerite
Displacement deviates, and fastness is good；
5, the occlusion fixed function of the first positioning tooth and the second positioning tooth, it can be ensured that turning joint center is fixed with first
The connection line of position tooth between the two is as vertical with fracture face as possible；
6, the first positioning seat and the second positioning seat form jaw shape, and the fracture for capableing of human body different parts is clamped, full
The trend that the physiological structure and different parts of foot difference fracture site need screw different, realizes and is accurately positioned sclerite, essence
Really guiding punching；
7, the upper surface of the first locking bar is marked with graduated scale, enable merging screw length precise measurement, avoid out
The too short or too long problem of existing screw；
8, it is equipped with fine tuning guide wire apparatus, so that the center of the first positioning tooth of bushing core face, to realize to walk screw
To positioning.
Detailed description of the invention
Attached drawing 1 is a kind of fracture compression locating device structural schematic diagram of the utility model.
Attached drawing 2 is the first location seat structure schematic diagram.
Attached drawing 3 is the second location seat structure schematic diagram.
Attached drawing 4 is fine tuning guide wire apparatus structural schematic diagram.
Attached drawing 5 is vernier knob and turning joint connection schematic diagram.
Attached drawing 6 is the fracture steel plate screw stationary state schematic diagram of root bone in the prior art.
Attached drawing 7 is fracture of ulna coronoid process steel plate screw stationary state schematic diagram in the prior art.
Attached drawing 8 is intertrochanter fracture of femur steel plate screw stationary state schematic diagram in the prior art.
Attached drawing 9 is intertrochanter fracture of femur steel plate screw cross-sectional view in the prior art.
Attached drawing 10 is that screw moves towards schematic diagram in the prior art.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the utility model.
Appended drawing reference involved in attached drawing and component part are as follows：
1. 11. first positioning seat of the first clamping limb
111. 1111. first positioning tooth of the first locating platform
12. 121. graduated scale of the first locking bar
2. the second clamping limb
21. 22. turning joint of the second positioning seat
211. second locating platform, 2111. second positioning tooth
23. 24. sleeve of central axis
25. finely tuning 251. guide head of guide wire apparatus
252. guidewire body, 26. second locking bar
27. 3. shaft of handle ring
4. 5. screw of steel plate
6. on the inside of bone on the outside of 61. bones
63. articular surfaces 62. intercept is dashed forward
64. 65. intramedullary nail of coronoid process
66. exporting A point 67. exports B point
68. 7. vernier knob of fracture line
Embodiment 1
Fig. 1 is please referred to, Fig. 1 is a kind of fracture compression locating device structural schematic diagram of the utility model.A kind of fracture positioning
Pressurizer, the fracture compression locating device include the first clamping limb 1, the second clamping limb 2；First clamping limb 1 and second
Clamping limb 2 is hinged by shaft 3, and the distal end of the first clamping limb 1 and the second clamping limb 2 and is proximally located in same plane；
First clamping limb, 1 distal end is equipped with the first positioning seat 11, and proximal end is equipped with handle ring 27, and in the first clamping limb 1 close to handle
The position of ring 27 is equipped with the first locking bar 12；The distal end of second clamping limb 2 is equipped with the second positioning seat 21, and proximal end is equipped with handle
Ring 27, and the second locking bar 26 is equipped at the position of the close handle ring 27 in the second clamping limb 2；First positioning seat 11 and second
Positioning seat 21 forms jaw shape；The upper surface of second locking bar 26 is equipped with protrusion, the protrusion and the first locking bar 12
Groove is meshed；The upper surface of first locking bar 12 is marked with graduated scale 121.
Referring to figure 2., Fig. 2 is 11 structural schematic diagram of the first positioning seat.First positioning seat 11 includes the first positioning
Platform 111, the first positioning tooth 1111；The central axis of first locating platform 111 and the first clamping limb 1 and the second clamping limb 2
23 parallelly distribute ons；First positioning seat, 11 inner surface is equipped with the first positioning tooth 1111.
Referring to figure 3., Fig. 3 is 21 structural schematic diagram of the second positioning seat.Second positioning seat 21 includes the second positioning
Platform 211, the second positioning tooth 2111, turning joint 22, sleeve 24；Second locating platform 211 is parallel with the first positioning table
Distribution；Described 22 one end of turning joint is equipped with the second positioning tooth 2111, and the second positioning tooth 2111 is at least three, annular spread
On the outer peripheral surface of turning joint 22；22 other end hinged sleeve 24 of turning joint；The turning joint 22 is hollow knot
Structure, and communicated with the inner passage of sleeve 24.
Referring to figure 4., Fig. 4 is fine tuning 25 structural schematic diagram of guide wire apparatus.The fracture fixator further includes that fine tuning is led
Silk device 25, the fine tuning guide wire apparatus 25 include guidewire body 252, guide head 251；The setting of guide head 251 is being led
The distal end of silk ontology 252, the guide head 251 are matched with the first positioning tooth 1111.
It should be noted that：First clamping limb 1 and the second clamping limb 2 are hinged by shaft 3, and the first clamping limb 1 and the
The both ends of two clampings are respectively positioned in same plane, and the benefit of the design method is：Two clamping limbs are stressed member, so that phase
Can be movable when the first positioning seat 11 answered and the second 21 stress of positioning seat, high sensitivity, convenient for fast accurate realization pair
Sclerite clamping (if because a positioning seat be it is fixed, another positioning seat be it is movable, can only will just it is fixed
The position of positioning seat only individually adjusts movable fixing seat, and to clamp sclerite, it is low that there are sensitivity, and clamping effect is not true
The defect cut).In addition, two clamping limbs are hinged, inserting a finger into two handle rings 27, which can be operated, meets manpower manipulation habit
It is used, it can be realized fine operation.
First positioning seat 11 and the second positioning seat 21 are used to clamp the sclerite crushed, prevent fixed block from squeezing into fixed spiral shell
It shifts and deviates when nail, wherein the first positioning seat 11 is equipped with the second positioning on the first positioning tooth 1111, the second positioning seat 21
Tooth 2111, the first positioning tooth 1111 and the second positioning tooth 2111 are mainly inserted into sclerite and play occlusion fixed function, into one
Step prevents sclerite displacement from deviateing, i.e. fixing screws driving into type, and sclerite is through the first positioning tooth 1111 and the second positioning tooth 2111
Occlusion is fixed, and fastness is good.In addition, by the occlusion fixed function of the first positioning tooth 1111 and the second positioning tooth 2111, energy
Enough ensure that 22 center of turning joint and the connection line of the first positioning tooth 1111 between the two are as vertical with fracture face as possible, avoids spiral shell
Opposite osteocomma is opened when nail is squeezed into, and is acted on without pressurization osteocomma.
First positioning seat 11 and the second positioning seat 21 form jaw shape, and the fracture for capableing of human body different parts is clamped,
The trend that the physiological structure and different parts for meeting different fracture sites need screw different, realization accurate positioning sclerite,
Accurate guiding punching.
Equipped with sleeve 24, sleeve 24 is used to screw carrying out positioning and guiding, and under use state, electric drill is by screw along sleeve
24 mergings will accurately fix opposite osteocomma until screw gets into opposite bone fragment.
The upper surface of second locking bar 26 is equipped with protrusion, which is meshed with the groove of the first locking bar 12；It is described
The upper surface of first locking bar 12 is marked with graduated scale 121, wherein in the protrusion and the first locking bar 12 on the second locking bar 26
Groove be meshed, have locking effect, can be realized while operation while lock；The upper surface of first locking bar 12 is marked with scale
Ruler 121 is mainly used for measurement and needs to be placed in screw length, which is a kind of measurement indirectly, i.e., mainly sees the first locking
Length of action between item 12 and the second bolt, corresponding first positioning seat 11 of different lengths of action and the second positioning seat 21 are different
Extended distance, the extended distance are screw length, therefore the length of screw is placed in required for can determining according to length of action,
It is ingenious in design, enable merging screw length precise measurement, avoid the occurrence of the too short or too long problem of screw.
The fine tuning guide wire apparatus 25 includes guidewire body 252, guide head 251, wherein guide head 251 and first is determined
Position tooth 1111 matches, as long as the first positioning tooth 1111 can be fully accommodated in guide head 251, that is, completes the work of calibration fine tuning
With, so that the center of 24 the first positioning tooth of center face 1111 of sleeve, to realize the positioning moved towards to screw.Under in the position
It is placed in screw, it is fixed, can be accurately positioned sclerite and guiding, and pressurization is carried out to bone fragment.
A kind of application method of fracture compression locating device of the utility model is：
1. first determining entrance and exit when needing drivescrew in fracture；
2. the first positioning tooth 1111 of compression locating device and the second positioning tooth 2111 are fixed on entrance and exit, twist
Tight shaft 3, just secures the position and direction of the first positioning tooth 1111 and the second positioning tooth 2111, the reading at the first bolt
It is exactly the appropriate length of screw；
3. compression locating device is taken out in vitro, after installation sleeve 24, the direction of sleeve 24 is adjusted by guide pin, makes sleeve 24
Direction be accurately directed toward the first positioning tooth 1111；
4. locator is installed back fracture, turns to go to opposite bone fragment along sleeve 24 using electricity, will accurately consolidate
Determine opposite osteocomma.
Embodiment 2
Referring to figure 5., Fig. 5 is vernier knob and turning joint connection schematic diagram.Turning joint and fine tuning rotation the present embodiment
It is substantially the same manner as Example 1, the difference is that, the fracture fixator in the present embodiment is additionally provided with vernier knob 7, uses
Under state, guidewire body 252 is passed through from the intermediate channel in spherical movable joint 22.After first being positioned on human body in this way, in body
Outside, fine-tuned 7 rotational sleeve 24 of knob, is positioned by guidewire body 252, determines the direction of sleeve 24, is being put back in vivo, is being passed through
Sleeve 24 makes electric drill.In the present embodiment, by vernier knob 7, directly turning joint 22 can be finely adjusted, accurate positioning.
A kind of fracture compression locating device of the utility model, it is fixed, can be accurately positioned sclerite and guiding, spiral shell
Nail length can measure, can pressurize osteocomma, promote union；First clamping limb 1 and the second clamping limb 2 are hinged by shaft 3,
And first the both ends of clamping limb 1 and the second clamping be respectively positioned in same plane, the benefit of the design method is：Two clamping limbs are equal
For stressed member so that when corresponding first positioning seat 11 and the second 21 stress of positioning seat can activity, high sensitivity, just
The clamping to sclerite is realized in fast accurate；Two clamping limbs are hinged, and inserting a finger into two handle rings 27 can be operated
Meet manpower manipulation habit, can be realized fine operation；First positioning tooth 1111 and the second positioning tooth 2111 are mainly inserted into
Occlusion fixed function is played in sclerite, prevents sclerite displacement from deviateing, fastness is good；First positioning tooth 1111 and second is fixed
The occlusion fixed function of position tooth 2111, it can be ensured that 22 center of turning joint and the connection line of the first positioning tooth 1111 between the two
It is as vertical with fracture face as possible；First positioning seat 11 and the second positioning seat 21 form jaw shape, are capable of the bone of human body different parts
Capable clamping is folded into, the trend that the physiological structure and different parts for meeting different fracture sites need screw different is realized accurate
Position sclerite, accurate guiding punching；The upper surface of first locking bar 12 is marked with graduated scale 121, so that the screw of merging is long
Degree energy precise measurement, avoids the occurrence of the too short or too long problem of screw；Equipped with fine tuning guide wire apparatus 25, so that 24 center of sleeve is just
To the center of the first positioning tooth 1111, to realize the positioning moved towards to screw.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvement and supplement under the premise of not departing from the utility model method, these are improved and supplement
Also it should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of fracture compression locating device, which is characterized in that the fracture compression locating device includes the first clamping limb, the second folder
Gripping arm；First clamping limb and the second clamping limb are hinged by shaft, and the distal end of the first clamping limb and the second clamping limb with
And it is proximally located in same plane；The first clamping limb distal end is equipped with the first positioning seat, and proximal end is equipped with handle ring, and first
Clamping limb is equipped with the first locking bar close to the position of handle ring；The distal end of second clamping limb is equipped with the second positioning seat, proximal end
Equipped with handle ring, and the second locking bar is equipped at the position of the close handle ring of the second clamping limb；First positioning seat and second
Positioning seat forms jaw shape；The upper surface of first locking bar is marked with graduated scale；First positioning seat includes first
Locating platform, the first positioning tooth；The first positioning base inner surface is equipped with the first positioning tooth；Second positioning seat includes the
Two locating platforms, the second positioning tooth, turning joint, sleeve；Described turning joint one end is equipped with the second positioning tooth；The activity is closed
Save other end hinged sleeve；The fracture fixator further includes fine tuning guide wire apparatus.
2. fracture compression locating device according to claim 1, which is characterized in that set on the upper surface of second locking bar
There is protrusion, which is meshed with the groove of the first locking bar.
3. fracture compression locating device according to claim 1 or 2, which is characterized in that second positioning tooth is at least three
A, annular spread is on the outer peripheral surface of turning joint.
4. fracture compression locating device according to claim 1, which is characterized in that the turning joint is hollow structure, and
It is communicated with the inner passage of sleeve.
5. fracture compression locating device according to claim 1, which is characterized in that the fine tuning guide wire apparatus includes seal wire
Ontology, guide head；The distal end of guidewire body is arranged in the guide head, and the guide head is matched with the first positioning tooth.
6. fracture compression locating device according to claim 1, which is characterized in that first locating platform and the first clamping
The central axis parallelly distribute on of arm and the second clamping limb.
7. fracture compression locating device according to claim 6, which is characterized in that second locating platform and the first positioning
Platform parallelly distribute on.
8. fracture compression locating device according to claim 1, which is characterized in that the center face first of the turning joint
The center of positioning tooth.
9. fracture compression locating device according to claim 1, which is characterized in that the fine-tuned knob of the sleeve and activity
Joint connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628045.2U CN208130045U (en) | 2017-06-01 | 2017-06-01 | Fracture compression locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628045.2U CN208130045U (en) | 2017-06-01 | 2017-06-01 | Fracture compression locating device |
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| Publication Number | Publication Date |
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| CN208130045U true CN208130045U (en) | 2018-11-23 |
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ID=64283287
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| CN201720628045.2U Active CN208130045U (en) | 2017-06-01 | 2017-06-01 | Fracture compression locating device |
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| CN (1) | CN208130045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157568A (en) * | 2017-06-01 | 2017-09-15 | 上海市第五人民医院 | One kind fracture compression locating device |
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2017
- 2017-06-01 CN CN201720628045.2U patent/CN208130045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157568A (en) * | 2017-06-01 | 2017-09-15 | 上海市第五人民医院 | One kind fracture compression locating device |
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