CN105662572A - Kirschner wire guider - Google Patents
Kirschner wire guider Download PDFInfo
- Publication number
- CN105662572A CN105662572A CN201610146868.1A CN201610146868A CN105662572A CN 105662572 A CN105662572 A CN 105662572A CN 201610146868 A CN201610146868 A CN 201610146868A CN 105662572 A CN105662572 A CN 105662572A
- Authority
- CN
- China
- Prior art keywords
- kirschner wire
- guide channel
- adjustment disk
- leading arm
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a kirschner wire guider.The kirschner wire guider comprises a guider support, a positioning point arranged on the guider support and a guide channel used for controlling the drilling direction of a kirschner wire.The axis of the guide channel can be adjusted to pass the positioning point.The guider can precisely guide the drilling direction of the kirschner wire in surgery, and therefore the success rate of kirschner wire fixing surgery can be effectively increased, and surgery pains of patients can be relieved.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of Kirschner wire guider.
Background technology
Fracture refers to and causes bone parts or a kind of disease ruptured completely due to the reason such as wound or pathology; when treatment fracture; generally first the end that fractures of the skeleton being shifted over after fracture is recovered normally or again close to original normal position; after the reduction of the fracture; because it is unstable, it is easy to occur to shift again, therefore to adopt diverse ways to be fixed on satisfied position; making it heal gradually, 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 are generally adopted Kirschner wire fixation, clinically for short bone, irregular bone, close on articular fracture and fix and trans-articular is fixing adopts Kirschner wire fixation effect better.
When fixation Kel's needle, firstly the need of one end of Kirschner wire is arranged on electric drill, it is then turned on electric drill, Kirschner wire is squeezed into the skeleton that need to fix, but the more difficult assurance of Kirschner wire is accurately squeezed into by a predetermined angle with position, particularly similar wrist navicular bone such multi-joint face irregular bone, when the angles and positions squeezed into are inaccurate, need to extract Kirschner wire, again squeeze into, once perform the operation and often need repeatedly to squeeze into, virtually increase the weight of Accessory injury, destroy blood confession further, extend operating time, and then have impact on therapeutic effect. The angles and positions squeezing into Kirschner wire are difficult to grasp, so the once success rate of Kirschner wire fixation operation is relatively low.
Accordingly, it would be desirable to a kind of Kirschner wire guider that the drilling direction of Kirschner wire can carry out accurately guiding in operation, thus being effectively improved the success rate of Kirschner wire fixation operation, the operation reducing patient is painful.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that a kind of Kirschner wire guider that the drilling direction of Kirschner wire can carry out accurately guiding.
The Kirschner wire guider of the present invention, including guider support, the anchor point being arranged on described guider support and for controlling the guide channel of Kirschner wire drilling direction; Described guide channel is adjustable to and makes 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, being provided with for regulating the adjustment disk in guide channel direction and the locking piece for lock adjustment disk rotational in detachable and rotating mode on described leading arm, described guide channel runs through this adjustment disk along being perpendicular to the direction regulating disk rotating shaft;
Further, described guide channel is provided with the aperture of at least two and each guide channel and all differs, and the axis of each guide channel and described anchor point are respectively positioned in same plane;
Further, described registration arm and leading arm are equipped with the chute making itself and described handle be slidably matched, and registration arm and leading arm are connected each through fixing screw and described handle are fixing;
Further, described locking piece is the lock slider being snug fit at leading arm, and described adjustment disk external cylindrical surface has been uniformly distributed circumferentially multiple lock slots, and described lock slider slidably and embeds and makes adjustment disk fix in lock slots;
Further, described registration arm, leading arm and handle are equipped with length scale chi along its length; Described adjustment disk 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 for regulating the adjustment disk in guide channel direction and the locking piece for lock adjustment disk rotational, described guide channel axially penetrates through this adjustment disk along regulating disk, in described guide channel circumferentially distributed have multiple can move radially the positioning body for the Kirschner wire of various outer diameter being carried out radially location along guide channel.
The invention has the beneficial effects as follows: the Kirschner wire guider of the present invention, including guider support, the anchor point being arranged on described guider support and for controlling the guide channel of Kirschner wire drilling direction, described guide channel is adjustable to and makes its axis by described anchor point, when carrying out Kirschner wire fixation operation, first select the Kirschner wire of suitable diameter as required, the guide channel of suitable inner diameter is selected further according to Kirschner wire diameter, the anchor point of Kirschner wire guider and guide channel are blocked skeleton and anchor point is fixed on the position that Kirschner wire needs to pass, adjust the position of Kirschner wire guide channel, the axis making guide channel by anchor point and keeps this position, Kirschner wire is squeezed into along guide channel, can ensure that the pin position that of Kirschner wire meets the requirements, the Kirschner wire guider of the present invention can accurately control position and the direction of entry point, go out pin position accurate, completely avoid the displacement of fracture end and the damage to tissue of repeatedly threading a needle, operation one-time success rate is high, the safety of operation can be significantly improved and shorten operating time, greatly reduce the operation risk of patient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the leading arm of the present invention;
Fig. 3 is the sectional view regulating disk of the present invention;
Fig. 4 is the structural representation of the registration arm of the present invention;
Fig. 5 is the layout schematic diagram that the second in the present embodiment regulates disk;
Fig. 6 is the connection diagram that the second in the present embodiment regulates disk 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;
The second that Fig. 9 is 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 the structural representation of the present invention, 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 controlling the guide channel 11 of Kirschner wire 17 drilling direction, described guide channel 11 is adjustable to and makes its axis by described anchor point, when carrying out Kirschner wire 17 fixing operation, first select the Kirschner wire 17 of suitable diameter as required, the guide channel 11 of suitable inner diameter is selected further according to Kirschner wire 17 diameter, the anchor point of Kirschner wire 17 guider and guide channel 11 are blocked skeleton and anchor point is fixed on the position that Kirschner wire 17 needs to pass, adjust the position of Kirschner wire 17 guide channel 11, the axis making guide channel 11 by anchor point and keeps this position (can ensure that the axis of guide channel 11 passes through anchor point after Kirschner wire 17 passing guide channel 11 and peaking at anchor point), Kirschner wire 17 is squeezed into along guide channel 11, can ensure that the pin position that of Kirschner wire 17 meets the requirements, Kirschner wire 17 guider of the present invention can accurately control position and the direction of entry point, go out pin position accurate, completely avoid the displacement of fracture end and the damage to tissue of repeatedly threading a needle, operation one-time success rate is high, the safety of operation can be significantly improved and shorten operating time, greatly reduce the operation risk of patient.
In the present embodiment, described guider support includes the handle 5 of T-shape and the registration arm 8 being connected on handle 5 and leading arm 4; Described anchor point and guide channel 11 are respectively arranged on registration arm 8 and leading arm 4, the handle 5 of T-shape includes being mutually perpendicular to 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 keep being parallel to each other, when carrying out Kirschner wire 17 fixing operation, utilize registration arm 8 and leading arm 4 to block and need fixing skeleton, it is simple to operation technique.
In the present embodiment, be provided with the adjustment disk 2 for regulating guide channel 11 direction and the locking piece 1 rotated for lock adjustment disk 2 on described leading arm 4 in detachable and rotating mode, described guide channel 11 runs through this adjustment disk 2 along being perpendicular to the direction regulating disk 2 rotating shaft, described anchor point is positioned at the plane regulating disk 2 place, when adjustment disk 2 rotates, 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 by anchor point, lockable regulates the rotation of disk 2, guide channel 11 is made to keep fixing with the relative position of anchor point, therefore, position from anchor point place is passed by the Kirschner wire 17 squeezed into along guide channel 11, thus accurately controlling entry point and going out the position of pin mark and go out pin direction, on the other hand, when adopting Kirschner wire to be fixed clinically, it is 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 temporarily, pull registration arm it can be made to shorten be easy to extract this guider out after Kirschner wire fixation, Kirschner wire is stayed in original position, certainly, also adjustment disk 2 can be made to separate with this guider, again adjustment disk 2 is extracted from Kirschner wire, thus this guider is taken off, Kirschner wire is stayed in original position, therefore, regulate disk 2 should be connected with leading arm 4 removably, as utilized screw to be fixed on leading arm 4 through the centre bore regulating disk 2, when fixed need to remove this guider time, this screw can be screwed out, adjustment disk 2 is made to separate with leading arm 4, disk 2 will be regulated again depart from Kirschner wire.
In the present embodiment, the aperture that described guide channel 11 is provided with at least two and each guide channel 11 all differs, and the axis of each guide channel 11 and described anchor point are respectively positioned in same plane; The different guide channel 11 at least two aperture is suitable for the Kirschner wire 17 of at least two various outer diameter, axially being respectively positioned in same plane with anchor point of each guide channel 11, thus ensureing 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 the chute 13 making itself and described handle 5 be slidably matched, and registration arm 8 and leading arm 4 are connected each through fixing screw 6 is fixing with described handle 5; When needing the relative position of registration arm 8 and leading arm 4 is adjusted, fixing screw 6 can be unclamped, and drive the crossbeam of registration arm 8 or leading arm 4 and handle 5 to carry out relative sliding, after adjustment, tighten fixing screw 6, thus locking registration arm 8 and the relative position of leading arm 4.
In the present embodiment, described locking piece 1 is the lock slider 3 being snug fit at leading arm 4, described adjustment disk 2 external cylindrical surface has been uniformly distributed circumferentially multiple lock slots, described lock slider 3 slidably and embeds and makes adjustment disk 2 fix in lock slots, when needs rotate and regulate disk 2, lock slider 3 can first manually be exited by medical worker in lock slots, make adjustment disk 2 free to rotate, after adjustment, again lock slider 3 is embedded in the lock slots regulating disk 2, lock slider 3 can arrange an elastic card, leading arm 4 arranges two draw-in grooves coordinated with elastic card, the latched position of this two draw-in groove corresponding lock slider 3 respectively and exit position.
In the present embodiment, described registration arm 8, leading arm 4 and handle 5 are equipped with length scale chi 7 along its length; Described adjustment 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, being easy to accumulation surgical experience, the angle graduated scale 10 on adjustment 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 the registration arm 8 side towards leading arm 4; Before carrying out the fixing operation of Kirschner wire 17, the available cone centre 9 of medical worker withstands and default goes out pin mark position.
In the present embodiment, described leading arm 4 is rotatably provided with the adjustment disk 2 for regulating guide channel 11 direction and the locking piece 1 rotated for lock adjustment disk 2, as shown in Figure 6, in the present embodiment, the another kind of set-up mode of guide channel 11 axially penetrates through this adjustment disk 2 for being directed to passage 11 along regulating disk 2, the rotating shaft one end regulating disk 2 can be fixed with angle indicator 14, the other end is combined with nut, rotation for lock adjustment disk 2, additionally, after ensureing that Kirschner wire fixation completes, regulate disk 2 to dismantle from leading arm 4, the rotating shaft regulating disk 2 should coordinate with adjustment disk 2 in the way of the circumferencial direction that slides axially is fixing, after Kirschner wire fixation, nut can be unclamped and by rotating shaft from regulating taking-up disk 2, adjustment disk 2 is finally made to separate with this guider, circumferentially distributed in described guide channel 11 have at least three can move radially the positioning body for the Kirschner wire 17 of various outer diameter carries out radially location along guide channel 11, as shown in Figure 10, each positioning body all includes along the axially arranged multiple balls 18 of guide channel 11 and ball 18 retainer 15, regulate disk 2 to include being coaxially disposed and relatively turnable first disk body 20 and the second disk body 19, ball 18 retainer 15 coordinates (as shown in Figure 7) with the first disk body 20 in the way of can radially sliding, 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, by driving the first disk body 20 and the second disk body 19 to relatively rotate, available involute helicla flute 21 makes ball 18 retainer 15 along regulating disk 2 radially synchronous slide, ensure that each ball 18 is equal with the distance of guide channel 11 axis simultaneously, make one adjustable passage of size of formation between positioning body, Kirschner wire 17 can first be inserted in guide channel 11 by medical worker before performing the operation, then rotating the second disk body 19 makes ball 18 retainer 15 slid inward simultaneously until ball 18 clamps Kirschner wire 17, this adjustment disk 2 of the present embodiment, the Kirschner wire 17 of various outer diameter can be realized clamping and make it radially located, owing to adopting ball 18 to contact cooperation with Kirschner wire 17, therefore, moving axially of Kirschner wire 17 is not affected after clamping, also ensure that Kirschner wire 17 centrage is positioned at adjustment disk 2 axial location, it is illustrated in figure 9 the another kind of arrangement of positioning body, ball 18 retainer 15 makes it to regulating disk 2 central pressing by spring, when medical worker is inserted into Kirschner wire 17 to guide channel 11, spring pressurized makes ball 18 step down movement, Kirschner wire 17 can be clamped again all the time simultaneously, finally make guide channel 11 can adapt to the Kirschner wire 17 of different-diameter size and effectively it be carried out guide effect.
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (9)
1. a Kirschner wire guider, it is characterised in that: the anchor point that include guider support, is arranged on described guider support and for controlling the guide channel of Kirschner wire drilling direction; Described guide channel is adjustable to and makes its axis by described anchor point.
2. Kirschner wire guider according to claim 1, it is characterised in that: 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.
3. Kirschner wire guider according to claim 2, it is characterized in that: being provided with for regulating the adjustment disk in guide channel direction and the locking piece for lock adjustment disk rotational in detachable and rotating mode on described leading arm, described guide channel runs through this adjustment disk along being perpendicular to the direction regulating disk rotating shaft.
4. Kirschner wire guider according to claim 3, it is characterised in that: described guide channel is provided with the aperture of at least two and guide channel and all differs, and the axis of each guide channel and described anchor point are respectively positioned in same plane.
5. Kirschner wire guider according to claim 4, it is characterised in that: described registration arm and leading arm are equipped with the chute making itself and described handle be slidably matched, and registration arm and leading arm are connected each through fixing screw and described handle are fixing.
6. Kirschner wire guider according to claim 5, it is characterized in that: described locking piece is the lock slider being snug fit at leading arm, being uniformly distributed circumferentially multiple lock slots on described adjustment disk external cylindrical surface, described lock slider slidably and embeds and makes adjustment disk fix in lock slots.
7. Kirschner wire guider according to claim 6, it is characterised in that: described registration arm, leading arm and handle are equipped with length scale chi along its length; Described adjustment disk end face is provided with angle graduated scale.
8. Kirschner wire guider according to claim 7, it is characterised in that: described anchor point is cone centre and this cone centre is fixed on the registration arm side towards leading arm.
9. Kirschner wire guider according to claim 2, it is characterized in that: described leading arm is rotatably provided with for regulating the adjustment disk in guide channel direction and the locking piece for lock adjustment disk rotational, described guide channel axially penetrates through this adjustment disk along regulating disk, and circumferentially distributed in described guide channel have at least three can move radially the positioning body for the Kirschner wire of various outer diameter carries out radially location along guide channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146868.1A CN105662572B (en) | 2016-03-15 | 2016-03-15 | Kirschner wire guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146868.1A CN105662572B (en) | 2016-03-15 | 2016-03-15 | Kirschner wire guider |
Publications (2)
| Publication Number | Publication Date |
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| CN105662572A true CN105662572A (en) | 2016-06-15 |
| CN105662572B CN105662572B (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146868.1A Active CN105662572B (en) | 2016-03-15 | 2016-03-15 | Kirschner wire guider |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963011A (en) * | 2016-06-20 | 2016-09-28 | 苏州瑞华医院有限公司 | Phalanx fracture Kirschner wire fixing guider |
| CN106510832A (en) * | 2016-11-16 | 2017-03-22 | 南京鼓楼医院 | Needle inserting positioner for patellar fracture |
| CN106618720A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Vertical adjustable fixed point malposition distance guide needle collimation hollow screw fixation minimally invasive device |
| CN108078627A (en) * | 2017-12-26 | 2018-05-29 | 北京天智航医疗科技股份有限公司 | A kind of guider |
| CN108542490A (en) * | 2018-05-18 | 2018-09-18 | 宁波市第二医院 | A kind of Kirschner wire guider being accurately oriented to |
| CN108742740A (en) * | 2018-06-13 | 2018-11-06 | 李华刚 | Improve lip plastic operation assistor |
| CN111772762A (en) * | 2020-08-11 | 2020-10-16 | 中国人民解放军空军军医大学 | Orthopedic parallel pressurizing positioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963011A (en) * | 2016-06-20 | 2016-09-28 | 苏州瑞华医院有限公司 | Phalanx fracture Kirschner wire fixing guider |
| CN106510832A (en) * | 2016-11-16 | 2017-03-22 | 南京鼓楼医院 | Needle inserting positioner for patellar fracture |
| CN106618720A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Vertical adjustable fixed point malposition distance guide needle collimation hollow screw fixation minimally invasive device |
| CN106618720B (en) * | 2017-01-11 | 2023-05-05 | 海口市人民医院 | Vertical adjustable fixed-point offset guide needle aiming hollow nail fixing minimally invasive device |
| CN108078627A (en) * | 2017-12-26 | 2018-05-29 | 北京天智航医疗科技股份有限公司 | A kind of guider |
| CN108542490A (en) * | 2018-05-18 | 2018-09-18 | 宁波市第二医院 | A kind of Kirschner wire guider being accurately oriented to |
| CN108742740A (en) * | 2018-06-13 | 2018-11-06 | 李华刚 | Improve lip plastic operation assistor |
| CN111772762A (en) * | 2020-08-11 | 2020-10-16 | 中国人民解放军空军军医大学 | Orthopedic parallel pressurizing positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105662572B (en) | 2018-10-30 |
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