CN205697974U - Kirschner wire positioner - Google Patents
Kirschner wire positioner Download PDFInfo
- Publication number
- CN205697974U CN205697974U CN201620198498.1U CN201620198498U CN205697974U CN 205697974 U CN205697974 U CN 205697974U CN 201620198498 U CN201620198498 U CN 201620198498U CN 205697974 U CN205697974 U CN 205697974U
- Authority
- CN
- China
- Prior art keywords
- kirschner wire
- guide channel
- arm
- disk
- leading arm
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Kirschner wire positioner, the anchor point including guider support, being arranged on described guider support and for controlling the guide channel of Kirschner wire drilling direction；Described guide channel is adjustable to make its axis by described anchor point, and the drilling direction of Kirschner wire can accurately be guided in operation by this guider, thus is effectively improved the success rate of Kirschner wire fixation operation, and the operation reducing patient is painful.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of Kirschner wire positioner.
Background technology
Fracture refers to owing to the reason such as wound or pathology causes bone parts or a kind of disease ruptured completely, at treatment bone
During folding, the most first the end that fractures of the skeleton being shifted over after fracture is recovered normally or again close to original normal position, fracture
After reset, because it is unstable, it is susceptible to shift again, therefore to use different methods to be fixed in satisfied position
On so that it is gradually healing, fixing method has extenal fixation and interior fixes two kinds.
Kirschner wire fixation is a kind of common interior fixing method, and some unstable fractures generally use Kirschner wire solid
Fixed, clinically for short bone, irregular bone, close on articular fracture and fix and trans-articular is fixing uses Kirschner wire fixation effect relatively
Good.
When fixation Kel's needle, it is necessary first to one end of Kirschner wire is arranged on electric drill, is then turned on electric drill, by kirschner
Stylus printer enters the skeleton that need to fix, but accurately squeezes into the more difficult assurance of Kirschner wire by a predetermined angle with position, is particularly similar to wrist navicular
Bone such multi-joint face irregular bone, when the angles and positions squeezed into are inaccurate, need to extract Kirschner wire, again squeezes into,
Once perform the operation and often need repeatedly to squeeze into, virtually increased the weight of Accessory injury, destroyed blood supply further, extend operating time, enter
And have impact on therapeutic effect.The angles and positions squeezing into Kirschner wire are difficult to grasp, so the disposable one-tenth of Kirschner wire fixation operation
Power is relatively low.
Accordingly, it would be desirable to a kind of Kirschner wire location dress that the drilling direction of Kirschner wire accurately can be guided in operation
Putting, thus be effectively improved the success rate of Kirschner wire fixation operation, the operation reducing patient is painful.
Utility model content
In view of this, the purpose of this utility model is to overcome defect of the prior art, it is provided that one can be to Kirschner wire
The Kirschner wire positioner that accurately guides of drilling direction.
Kirschner wire positioner of the present utility model, including guider support, is arranged at determining on described guider support
Site and for controlling the guide channel of Kirschner wire drilling direction；Described guide channel is adjustable to make its axis by described
Anchor point；
Further, described guider support includes the handle of T-shape and the registration arm being connected on handle and leading arm；
Described anchor point and guide channel are respectively arranged on registration arm and leading arm；
Further, described leading arm is provided with for regulating guide channel direction in detachable and rotating mode
Regulation disk and the locking piece for lock adjustment disk rotational, described guide channel is along being perpendicular to regulate the side of disk rotating shaft
To running through this regulation disk；
Further, described guide channel is provided with the aperture of at least two and each guide channel and all differs, each guide channel
Axis and described anchor point be respectively positioned in same plane；
Further, described registration arm and leading arm are equipped with and make its chute being slidably matched with described handle, and location
Arm and leading arm are all connected by fixing screw and described handle are fixing；
Further, described locking piece is the lock slider being snug fit at leading arm, on described regulation disk external cylindrical surface
Being uniformly distributed circumferentially multiple lock slots, described lock slider slidably and makes regulation disk fix in embedding lock slots；
Further, described registration arm, leading arm and handle are equipped with length scale chi along its length；Described tune
Pitch circle dish end face is provided with angle graduated scale；
Further, described anchor point is cone centre and this cone centre is fixed on the registration arm side towards leading arm；
Further, described leading arm is rotatably provided with the regulation disk for regulating guide channel direction and for
The locking piece of lock adjustment disk rotational, described guide channel axially penetrates through this regulation disk along regulation disk, and described guiding is led to
In road circumferentially distributed have multiple can move radially for carrying out the Kirschner wire of various outer diameter radially positioning along guide channel
Positioning body.
The beneficial effects of the utility model are: Kirschner wire positioner of the present utility model, including guider support, setting
Anchor point on described guider support and for controlling the guide channel of Kirschner wire drilling direction；Described guide channel can
Regulate to making its axis by described anchor point, when carrying out Kirschner wire fixation operation, select suitable diameter the most as required
Kirschner wire, selects the guide channel of suitable inner diameter, by anchor point and the guiding of Kirschner wire guider further according to Kirschner wire diameter
Passage blocks skeleton and anchor point is fixed on the position that Kirschner wire needs to pass, and adjusts the position of Kirschner wire guide channel, makes
The axis of guide channel is by anchor point and keeps this position, squeezes into Kirschner wire along guide channel, can ensure going out of Kirschner wire
Pin position meets the requirements, and Kirschner wire positioner of the present utility model can accurately control position and the direction of entry point, goes out pin
Position is accurate, it is entirely avoided the displacement of fracture end and the damage to tissue of repeatedly threading a needle, operation one-time success rate is high, Ke Yiming
The aobvious safety improving operation and shortening operating time, greatly reduce the operation risk of patient.
Accompanying drawing explanation
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of leading arm of the present utility model；
Fig. 3 is the sectional view of regulation disk of the present utility model；
Fig. 4 is the structural representation of registration arm of the present utility model；
Fig. 5 is the layout schematic diagram of the second regulation disk in the present embodiment；
Fig. 6 is the connection diagram of the second regulation disk in the present embodiment and leading arm；
Fig. 7 is the structural representation of the first disk body in the present embodiment；
Fig. 8 is the structural representation of the second disk body in the present embodiment；
Fig. 9 is that the second of the positioning body in the present embodiment arranges schematic diagram；
Figure 10 is the schematic diagram that the positioning body in the present embodiment coordinates with Kirschner wire.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, as it can be seen, Kirschner wire 17 guider in the present embodiment, including
Guider support, the anchor point being arranged on described guider support and for control Kirschner wire 17 drilling direction guiding lead to
Road 11；Described guide channel 11 is adjustable to make its axis pass through described anchor point, when carrying out Kirschner wire 17 fixing operation, first
Select the Kirschner wire 17 of suitable diameter as required, select the guide channel 11 of suitable inner diameter further according to Kirschner wire 17 diameter, will
The anchor point of Kirschner wire 17 guider and guide channel 11 block skeleton and anchor point is fixed on Kirschner wire 17 need pass
Position, adjust the position of Kirschner wire 17 guide channel 11, make the axis of guide channel 11 by anchor point and keep this position
(after Kirschner wire 17 is passed guide channel 11 and peaks at anchor point, can ensure that the axis of guide channel 11 passes through anchor point), edge
Guide channel 11 squeezes into Kirschner wire 17, can ensure that the pin position that of Kirschner wire 17 meets the requirements, Kirschner wire of the present utility model
17 guiders can accurately control position and the direction of entry point, goes out pin position accurate, it is entirely avoided the displacement of fracture end and
Repeatedly threading a needle to the damage organized, operation one-time success rate is high, can significantly improve the safety of operation and shorten operating time,
Greatly reduce the operation risk of patient.
In the present embodiment, handle 5 that described guider support includes T-shape and registration arm 8 He being connected on handle 5
Leading arm 4；Described anchor point and guide channel 11 are respectively arranged on registration arm 8 and leading arm 4, and the handle 5 of T-shape includes phase
Mutually vertical fixing holding rod and crossbeam, registration arm 8 and leading arm 4 are connected to crossbeam two ends, and registration arm 8 and leading arm 4
Holding is parallel to each other, and when carrying out Kirschner wire 17 fixing operation, utilizing registration arm 8 and leading arm 4 to block needs fixing skeleton,
It is easy to operation technique.
In the present embodiment, described leading arm 4 is provided with for regulating guide channel in detachable and rotating mode
11 directions regulation disk 2 and for lock adjustment disk 2 rotate locking piece 1, described guide channel 11 along be perpendicular to adjust
This regulation disk 2 is run through in the direction of pitch circle dish 2 rotating shaft；Described anchor point is positioned at the plane at regulation disk 2 place, regulates disk
During 2 rotation, the axis of position guide channel 11 in the inner is also at this rotation with in surface, when the axis of guide channel 11 turns to lead to
When crossing anchor point, the rotation of lockable regulation disk 2, make guide channel 11 position relative with anchor point keep fixing, therefore,
The Kirschner wire 17 squeezed into along guide channel 11 will pass from the position at anchor point place, thus accurately control entry point and go out pin mark
Position and go out pin direction, on the other hand, use Kirschner wire when being fixed clinically, be divided into interim fixing and final fixing；
When utilizing Kirschner wire finally to fix, do not further take out after Kirschner wire fixation, and when fixing, Kirschner wire fixation. temporarily
After it can be made to shorten with pull registration arm to be easy to extract this guider out, Kirschner wire is stayed in situ, certainly, it is possible to make regulation circle
Dish 2 separates with this guider, then is extracted from Kirschner wire by regulation disk 2, thus is taken off by this guider, Kirschner wire is stayed in
In situ, therefore, regulation disk 2 should be connected with leading arm 4 removably, as utilized screw to pass in regulation disk 2
Central hole is fixed on leading arm 4, when fixed need to remove this guider time, this screw can be screwed out, make regulation circle
Dish 2 separates with leading arm 4, then is departed from Kirschner wire by regulation disk 2.
In the present embodiment, the aperture that described guide channel 11 is provided with at least two and each guide channel 11 all differs, respectively
The axis of guide channel 11 and described anchor point are respectively positioned in same plane；The different guide channel 11 at least two aperture can be fitted
Answer the Kirschner wire 17 of at least two various outer diameter, being axially respectively positioned in same plane with anchor point of each guide channel 11, thus
Ensure that each guide channel 11 all can be adjusted to making its axis pass through anchor point by rotation.
In the present embodiment, described registration arm 8 and leading arm 4 are equipped with and make its chute being slidably matched with described handle 5
13, and registration arm 8 and leading arm 4 be all connected by fixing screw 6 is fixing with described handle 5；When needs to registration arm 8 and guide
When the relative position of arm 4 is adjusted, fixing screw 6 can be unclamped, and drive registration arm 8 or leading arm 4 to enter with the crossbeam of handle 5
Row slides relatively, after adjustment, tightens fixing screw 6, thus locks the relative position of registration arm 8 and leading arm 4.
In the present embodiment, described locking piece 1 is the lock slider 3 being snug fit at leading arm 4, outside described regulation disk 2
Being uniformly distributed circumferentially multiple lock slots on the face of cylinder, described lock slider 3 slidably and makes regulation circle in embedding lock slots
Dish 2 is fixed, and when needs rotate regulation disk 2, lock slider 3 first manually can be exited in lock slots, make tune by medical worker
Pitch circle dish 2 is free to rotate, after regulation, then is embedded by lock slider 3 in the lock slots of regulation disk 2, on lock slider 3
Can arrange an elastic card, leading arm 4 arranges two draw-in grooves coordinated with elastic card, the correspondence locking respectively of this two draw-in groove is sliding
The latched position of block 3 and exit position.
In the present embodiment, described registration arm 8, leading arm 4 and handle 5 are equipped with length scale chi along its length
7；Described regulation disk 2 end face is provided with angle graduated scale 10；Rule makes this Kirschner wire 17 guider have measurement function,
Medical worker may utilize this rule and measures and record Kirschner wire 17 in operation and squeeze into the data such as length, it is simple to accumulation operation warp
Testing, the angle graduated scale 10 on regulation disk 2 end face is easy to medical worker and is read the angle value that Kirschner wire 17 is squeezed into intuitively.
In the present embodiment, described anchor point is cone centre 9 and this cone centre 9 is fixed on registration arm 8 towards leading arm 4
Side；Before carrying out the fixing operation of Kirschner wire 17, medical worker may utilize cone centre 9 and withstands and default go out pin mark position
Put.
In the present embodiment, described leading arm 4 is rotatably provided with the regulation disk 2 for regulating guide channel 11 direction
And the locking piece 1 for lock adjustment disk 2 rotation, as shown in Figure 6, the another kind of setting of guide channel 11 in the present embodiment
Mode axially penetrates through this regulation disk 2 for being directed to passage 11 along regulation disk 2, and rotating shaft one end of regulation disk 2 can be fixed with
Angle indicator 14, the other end is combined with nut, for the rotation of lock adjustment disk 2, it addition, for ensureing that Kirschner wire fixation completes
After, regulation disk 2 can be dismantled from leading arm 4, and the rotating shaft of regulation disk 2 should be in the way of the circumferencial direction that slides axially be fixing
Coordinate with regulation disk 2, after Kirschner wire fixation, nut can be unclamped and rotating shaft is taken out from regulation disk 2, finally making
Regulation disk 2 separates with this guider；Circumferentially distributed in described guide channel 11 have at least three can be along guide channel 11 footpath
To the mobile positioning body for carrying out radially positioning to the Kirschner wire 17 of various outer diameter, as shown in Figure 10, each positioning body is equal
Including the multiple balls 18 axially arranged along guide channel 11 and ball 18 retainer 15, regulation disk 2 includes being coaxially disposed
And relatively turnable first disk body 20 and the second disk body 19, ball 18 retainer 15 in the way of can radially sliding with first
Disk body 20 coordinates (as shown in Figure 7), and the second disk body 19 end face is provided with involute helicla flute 21 (as shown in Figure 8), ball 18
Retainer 15 is provided with the arc-shaped gear 16 coordinated with this helicla flute 21, and by driving, the first disk body 20 is relative with the second disk body 19 to be turned
Dynamic, available involute helicla flute 21 makes ball 18 retainer 15 along regulation disk 2 radially synchronous slide, ensure that every simultaneously
Individual ball 18 is equal with the distance of guide channel 11 axis, makes to be formed between positioning body an adjustable passage of size, medical matters
Kirschner wire 17 can first be inserted in guide channel 11 before performing the operation by personnel, then rotates the second disk body 19 and makes ball 18 protect
The while of holding frame 15, slid inward is until ball 18 clamps Kirschner wire 17, and this regulation disk 2 of the present embodiment can be to various outer diameter
Kirschner wire 17 realize clamping and make it radially located, owing to using ball 18 to contact cooperation with Kirschner wire 17, therefore, clamp
After do not affect moving axially of Kirschner wire 17；Also ensure that Kirschner wire 17 centrage is positioned at regulation disk 2 axial location, such as Fig. 9
Show the another kind of arrangement of positioning body, ball 18 retainer 15 by spring make its to regulation disk 2 central pressing, when
Medical worker is when guide channel 11 is inserted into Kirschner wire 17, and spring pressurized makes ball 18 step down movement, can begin again simultaneously
Clamping Kirschner wire 17, finally makes guide channel 11 can adapt to the Kirschner wire 17 of different-diameter size and effectively lead it eventually
To effect.
Finally illustrating, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although ginseng
According to preferred embodiment, this utility model is described in detail, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from spirit and the model of technical solutions of the utility model
Enclosing, it all should be contained in the middle of right of the present utility model.
Claims (8)
1. a Kirschner wire positioner, it is characterised in that: include guider support, be arranged at determining on described guider support
Site and for controlling the guide channel of Kirschner wire drilling direction；Described guide channel is adjustable to make its axis by described
Anchor point；Described guider support includes the handle of T-shape and the registration arm being connected on handle and leading arm；Described location
Point and guide channel are respectively arranged on registration arm and leading arm.
Kirschner wire positioner the most according to claim 1, it is characterised in that: with detachable and can turn on described leading arm
Dynamic mode is provided with for regulating the regulation disk in guide channel direction and the locking piece for lock adjustment disk rotational,
Described guide channel runs through this regulation disk along the direction being perpendicular to regulate disk rotating shaft.
Kirschner wire positioner the most according to claim 1, it is characterised in that: described guide channel be provided with at least two and
The aperture of guide channel all differs, and the axis of each guide channel and described anchor point are respectively positioned in same plane.
Kirschner wire positioner the most according to claim 1, it is characterised in that: it is equipped with in described registration arm and leading arm
Make its chute being slidably matched with described handle, and registration arm and leading arm are all fixing even by fixing screw and described handle
Connect.
Kirschner wire positioner the most according to claim 2, it is characterised in that: described locking piece is for being snug fit at guiding
The lock slider of arm, described regulation disk external cylindrical surface has been uniformly distributed circumferentially multiple lock slots, and described lock slider can
Regulation disk is made to fix in sliding and embedding lock slots.
Kirschner wire positioner the most according to claim 2, it is characterised in that: described registration arm, leading arm and handle
On be equipped with length scale chi along its length；Described regulation disk end face is provided with angle graduated scale.
Kirschner wire positioner the most according to claim 1, it is characterised in that: described anchor point is cone centre and this cone
Shape is top is fixed on the registration arm side towards leading arm.
Kirschner wire positioner the most according to claim 1, it is characterised in that: rotatably it is provided with on described leading arm
For regulating regulation disk and the locking piece for lock adjustment disk rotational, the described guide channel edge in guide channel direction
Regulation disk axially penetrates through this regulation disk, and circumferentially distributed in described guide channel have at least three can along guide channel radially
The mobile positioning body for carrying out radially positioning to the Kirschner wire of various outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198498.1U CN205697974U (en) | 2016-03-15 | 2016-03-15 | Kirschner wire positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198498.1U CN205697974U (en) | 2016-03-15 | 2016-03-15 | Kirschner wire positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205697974U true CN205697974U (en) | 2016-11-23 |
Family
ID=57314693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620198498.1U Expired - Fee Related CN205697974U (en) | 2016-03-15 | 2016-03-15 | Kirschner wire positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205697974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
-
2016
- 2016-03-15 CN CN201620198498.1U patent/CN205697974U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
| CN105662572B (en) * | 2016-03-15 | 2018-10-30 | 丁勇 | Kirschner wire guider |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20200315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |