CN208926711U - A kind of two-way bone grafting guider of one channel - Google Patents
A kind of two-way bone grafting guider of one channel Download PDFInfo
- Publication number
- CN208926711U CN208926711U CN201820448750.9U CN201820448750U CN208926711U CN 208926711 U CN208926711 U CN 208926711U CN 201820448750 U CN201820448750 U CN 201820448750U CN 208926711 U CN208926711 U CN 208926711U
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- push rod
- guide plate
- bone grafting
- channel
- groove
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Abstract
The utility model relates to the field of medical instrument technology, disclose a kind of two-way bone grafting guider of one channel, including the first positioning plate and pilot sleeve, and first positioning plate is equipped with pilot hole and limiting device, and the limiting device is located in the pilot hole；The pilot sleeve includes the first push rod and the second push rod for being detachably connected with first push rod, first push rod and the inclination connection of the second push rod, second push rod is equipped with the through-hole for allowing Kirschner wire to pass through, the bottom end of first push rod is equipped with the first groove, when first push rod passes through the pilot hole, the limiting device is connect with first groove.The utility model can solve bone grafting guider in the prior art and multipass Kirschner wire needed to carry out multiple puncture time and the excessive problem of fluoroscopy during operation number to femur bad head.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of two-way bone grafting guiders of one channel.
Background technique
Caput femoris necrosis is refractory disease, existing non-replacement therapy means include caput femoris necrosis revascularization art,
Interventional therapy and fibula item, Iliac bone flap impaction bone grafting etc. are that caput femoris necrosis protects hip art formula.
In the prior art, caput femoris necrosis, which is performed the operation, uses Kirschner wire often and is assisted in the treatment of, however current bone grafting
Guider needs multipass Kirschner wire to carry out multiple puncture time to femur bad head, increases patient to the feeling of pain of femoral head,
And need to carry out multiple fluoroscopy during operation number, extend operating time, side effect caused by additional issue radiation.
Summary of the invention
Based on this, the purpose of this utility model is to provide a kind of two-way bone grafting guiders of one channel, to solve existing skill
Bone grafting guider needs multipass Kirschner wire excessive to the multiple puncture time of femur bad head progress and fluoroscopy during operation number in art
The problem of.
The technical solution of the utility model are as follows: a kind of two-way bone grafting guider of one channel, including the first positioning plate and guiding
Sleeve, first positioning plate are equipped with pilot hole and limiting device, and the limiting device is located in the pilot hole；
The pilot sleeve includes the first push rod and the second push rod for being detachably connected with first push rod, and described first
Push rod and the inclination connection of the second push rod, second push rod are equipped with the through-hole for allowing Kirschner wire to pass through, the bottom of first push rod
End is equipped with the first groove, and when first push rod passes through the pilot hole, the limiting device is connect with first groove.
Optionally, first push rod is equipped with the connecting hole for allowing second push rod to pass through, and sets on the connecting hole
There is screw thread, one end of second push rod is equipped with screw thread.
Optionally, first push rod and the second push rod are in 10 ° of angle inclination connections.
Optionally, the limiting device is protrusion, and the protrusion is caught in first groove.
Optionally, first positioning plate includes the first guide plate and the second guide plate, and the pilot hole is located at described the
On one guide plate, the limiting device is set in the pilot hole；
Second guide plate is equipped with the second groove, and second groove is fixed by fastener and first guide plate
Connection.
Optionally, first guide plate and the second guide plate are concave structure.
Optionally, second guide plate is equipped with third groove, and the cross sectional shape of the third groove is arc-shaped.
Optionally, the pilot hole inner wall is equipped with screw thread.
Optionally, first guide plate is connected with handle.
Optionally, the handle is equipped with antiskid thread.
Optionally, the handle is cylindrical structure.
Implement the utility model embodiment, has the following beneficial effects:
A kind of two-way bone grafting guider of one channel of the utility model, including the first positioning plate and pilot sleeve, first is fixed
Position plate is equipped with pilot hole and limiting device；Pilot sleeve includes the first push rod and pushes away with the first push rod is detachably connected second
Bar, the first push rod and the inclination connection of the second push rod, the second push rod are equipped with the through-hole for allowing Kirschner wire to pass through, the bottom end of the first push rod
Equipped with the first groove, when the first push rod passes through pilot hole, limiting device is connect with the first groove.Thus, the first positioning
Plate plays a part of support positioning to the first push rod and the second push rod, convenient for the position fixing process of operation；First push rod and second pushes away
Bar is detachably connected, in caput femoris necrosis lesion position, consequently facilitating the installation and removal of the first push rod and the second push rod, more into
One step passes through the through-hole of the second push rod after the positioning of caput femoris necrosis lesion position in Kirschner wire, by the first push rod and the
Two push rods separation, consequently facilitating electric drill expands location hole under the guiding role of Kirschner wire；The second push rod is passed through in Kirschner wire
Through-hole after, before Kirschner wire is positioned in caput femoris necrosis lesion position, the first push rod, which is inserted into, is completed other location holes of positioning
In, since the first push rod and the second push rod are obliquely installed, to can determine that inserting needle when Kirschner wire passes through the through-hole of the second push rod
Angle determines most suitable inserting needle direction for Kirschner wire, reduces Kirschner wire in the number of threading a needle of caput femoris necrosis lesion position, has
Effect reduces perspective number and radiation hazradial bundle；During Kirschner wire inserting needle, limiting device and the first groove connection, so as to gram
During family name's needle inserting needle, the first push rod does not deviate in the first positioning plate, and then guarantees the second push rod in the first positioning plate
In do not deviate.
Detailed description of the invention
Fig. 1 is first guide plate of the utility model and the structural schematic diagram of handle.
Fig. 2 is the structural schematic diagram of the pilot sleeve of the utility model.
Fig. 3 is the structural schematic diagram of second guide plate of the utility model.
Fig. 4 is the structural schematic diagram of first push rod of the utility model.
Fig. 5 is the structural schematic diagram of second push rod of the utility model.
Fig. 6 is that the pilot sleeve of the utility model enters the structural schematic diagram of caput femoris necrosis lesion position.
Fig. 7 is the structural schematic diagram of second positioning plate of the utility model.
Description of symbols:
1, the first positioning plate；11, the first guide plate；12, the second guide plate；121, the second groove；122, third groove；
13, pilot hole；14, limiting device；2, pilot sleeve；21, the first groove；22, the first push rod；23, the second push rod；24, through-hole；
25, connecting hole；3, handle；4, the second positioning plate；5, first positioning hole；6, second location hole；7, caput femoris necrosis lesion position.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "top", "bottom" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
As shown in Fig. 1~7, a kind of bone grafting guider provided by the utility model embodiment comprising the first positioning plate 1
With pilot sleeve 2, the first positioning plate 1 is equipped with pilot hole 13 and limiting device 14, and limiting device 14 is located in pilot hole 13；
Pilot sleeve 2 includes the first groove 21, the first push rod 22 and the second push rod being detachably connected with the first push rod 22
23, the first push rod 22 and the inclination connection of the second push rod 23, the second push rod 23 are equipped with the through-hole 24 for allowing Kirschner wire to pass through, and first pushes away
The bottom end of bar 22 is equipped with the first groove 21, and when the first push rod 22 passes through pilot hole 13, limiting device 14 and the first groove 21 connect
It connects.
Based on above-mentioned setting, a kind of two-way bone grafting guider of single hole provided by the utility model embodiment, including first
Positioning plate 1 and pilot sleeve 2, the first positioning plate 1 are equipped with pilot hole 3 and limiting device 14, and limiting device 14 is located at pilot hole 3
It is interior；Pilot sleeve 2 includes the first push rod 22 and the second push rod 23 for being detachably connected with the first push rod 22, the first push rod 22 and the
The inclination connection of two push rods 23, the second push rod 23, which is equipped with, allows the through-hole 24 that passes through of Kirschner wire, and the bottom end of the first push rod 22 is equipped with the
One groove 21, when the first push rod 22 passes through pilot hole 13, limiting device 14 is connect with the first groove 21.Thus, first
Positioning plate 1 plays a part of support positioning to the first push rod 22 and the second push rod 23, convenient for the position fixing process of operation；First push rod
22 and second push rod 23 be detachably connected, in caput femoris necrosis lesion position, consequently facilitating the first push rod 22 and the second push rod 23
Installation and removal, moreover, Kirschner wire pass through the second push rod 23 through-hole 24 in caput femoris necrosis lesion position
After positioning, the first push rod 22 and the second push rod 23 are separated, consequently facilitating electric drill is under the guiding role of Kirschner wire by location hole
Expand；After the through-hole 24 that Kirschner wire passes through the second push rod 23, before Kirschner wire is positioned in caput femoris necrosis lesion position, first is pushed away
The insertion of bar 22 is completed in other location holes of positioning, since the first push rod 22 and the second push rod 23 are obliquely installed, so as to true
Determine needle angle when Kirschner wire passes through the through-hole 24 of the second push rod 23, determines most suitable inserting needle direction for Kirschner wire, reduce
Kirschner wire effectively reduces perspective number and radiation hazradial bundle in the number of threading a needle of caput femoris necrosis lesion position；In Kirschner wire inserting needle
In the process, limiting device 14 and the connection of the first groove 21, so as to which during Kirschner wire inserting needle, the first push rod 22 is fixed first
Do not deviate in the plate 1 of position, and then guarantees that the second push rod 23 does not deviate in the first positioning plate 1.
In the present embodiment, as shown in Fig. 2,4,5 and 6, in order to further increase the company of the first push rod 22 and the second push rod 23
Tightness and convenience are connect, the first push rod 22 is equipped with the connecting hole 25 for allowing the second push rod 23 to pass through, and connecting hole 25 is equipped with
One end of screw thread, the second push rod 23 is equipped with screw thread, only need to be by second when carrying out the connection of the first push rod 22 and the second push rod 23
Push rod 23 screws in the connecting hole 25 of the first push rod 22, therefore passes through the spiral shell on the screw thread and the second push rod 23 on the first push rod 22
Line work in coordination can be realized the connection of the first push rod 22 and the second push rod 23 with separate.
In the present embodiment, as seen in figs, for the ease of twice inserting needle of the Kirschner wire in art, shorten operating time and
The centerlines of mitigation patient suffering, the center line of the first push rod 22 and the second push rod 23 are β, and the angle of β is 10 °, thus
So that Kirschner wire reaches accurate positioning in position fixing process, avoids touch system hole and generate error.
In the present embodiment, as illustrated in fig. 1 and 2, limiting device 14 is protrusion, and protrusion is caught in the first groove 21, can make
The compact connection of energy, further prevents the first push rod 22 to revolve in position fixing process between limiting device 14 and the first groove 21
Turn.
In the present embodiment, as shown in figs. 1 and 3, in order to improve the first positioning plate 1 in the company of caput femoris necrosis lesion position 7
Effect is connect, the first positioning plate 1 includes the first guide plate 11 and the second guide plate 12, and the second guide plate 12 is equipped with the second groove 121,
Second groove 121 is fixedly connected by fastener with the first guide plate 11.Specifically, under the first guide plate 11 and greater trochanter of femur
Square femoral shaft connection, the second guide plate 12 are connect near end of thighbone femur ridge.
In the present embodiment, as shown in figs. 1 and 3, the first guide plate 11 and the second guide plate 12 are concave structure, thus first
Guide plate 11 matches with femoral shaft periphery radian below greater trochanter of femur, the second guide plate 12 and greater trochanter of femur lower end slope
It matches, and then can be convenient for the progress to femoral head necrosis surgery.
In the present embodiment, as shown in figs. 1 and 3, due to the bone tissue of the first guide plate 11 and the second guide plate 12 and patient
It is contacted, in order to avoid the first guide plate 11 and the second guide plate 12 are since rough surface is to generate feeling of pain to patient,
The surface of first guide plate 11 and the second guide plate 12 is smooth, mitigates patient's generated feeling of pain in art.
In the present embodiment, as shown in figure 3, the second guide plate 12 is equipped with third groove 122, the section shape of third groove 122
Shape is arc-shaped, and third groove 122 is used to cooperate with femur coning row, paste in use to facilitate pilot sleeve 2
It is attached more closely.
In the present embodiment, as shown in figs. 1 and 3, in order to realize the first guide plate 11 and the second guide plate 12 miniaturization and
Enter in human body convenient for the first guide plate 11 and the second guide plate 12, the length of the first guide plate 11 is 4cm, the second guide plate 12
Length be 2cm, the cross section of the first guide plate 11 is the circular arc of radius 2cm, and the cross section of the second guide plate 12 is radius
The circular arc of 0.75cm.
In the present embodiment, as shown in Fig. 2,4,5 and 6, in order to realize the miniaturization of pilot sleeve 2 and convenient for pilot sleeve 2
Into in human body, the cross section of the first push rod 22 is the circle that diameter is 1.2cm, and the cross section of the second push rod 23 is that diameter is
The circle of 0.8cm, the length of the first push rod 22 are 5cm, and the length of the second push rod 23 is 7cm, and the through-hole on the second push rod 23
24 diameter is 5mm~8mm, greater than the diameter 2.5mm of Kirschner wire, consequently facilitating Kirschner wire passes through pilot sleeve 2.
In the present embodiment, as shown in Figure 1, in order to enable can be convenient to mount and dismount and connect between pilot hole 13 and the first push rod 22
Reliably, 13 inner wall of pilot hole is equipped with screw thread, and the first push rod 22 is equipped with screw thread, and pilot hole 13 and the first push rod 22 pass through screw thread
It is attached.
In the present embodiment, as shown in Figure 1, in order to adjust the first positioning plate 1 in the connection position of caput femoris necrosis lesion position 7
It sets, the first guide plate 11 is connected with handle 3.
In the present embodiment, as shown in Figure 1, handle 3 is equipped with antiskid thread, user is prevented in the course of surgery, due to hand
Frictional force between handle 3 and hand is too small, and handle 3 is detached from from hand.
In the present embodiment, as shown in Figure 1, handle 3 is cylindrical structure, consequently facilitating behaviour when user performs the operation
Make, improves working efficiency.
To sum up, as shown in Fig. 1~7, a kind of bone grafting guider, the course of work provided by the utility model embodiment
Are as follows: it needs to carry out the positioning of Kirschner wire twice during carrying out femoral head necrosis therapeutic, Kirschner wire enters femoral head for the first time
The process of necrotic lesion position 7 is as follows: the first time positioning of progress Kirschner wire first, true according to caput femoris necrosis lesion position 7
Determine first positioning hole 5, user can be positioned Kirschner wire into first positioning hole 5 by the second positioning plate 4 and locator, then
Locator is separated from the second positioning plate 4, Kirschner wire is fixed in first positioning hole 5 through the second positioning plate 4, then gram
Under the positioning action of family name's needle, user can by electric drill by the aperture of first positioning hole 5 be gradually expanded to the first push rod 22
Aperture is identical, wherein the aperture of the first push rod 22 is 1.2cm, finally by locator, Kirschner wire and electric drill from femoral head necrosis
It is separated in stove position 7, and the first push rod 22 is inserted into first positioning hole 5；
When carrying out second of positioning of Kirschner wire, after the first push rod 22 is inserted into first positioning hole 5, first will be set to
First groove 21 of 22 lower section of push rod is connect with the limiting device 14 being located on the first positioning plate 1, so that the first push rod 22 is fixed
In on the first positioning plate 1, after then one end of the second push rod 23 is screwed in the connecting hole 25 on the first push rod 22 by user, can incite somebody to action
Kirschner wire is inserted into caput femoris necrosis lesion position 7 to form second location hole 6 by the through-hole 24 in the second push rod 23,
Then user separates the second push rod 23 from the connecting hole 25 of the first push rod 22, so that the second push rod 23 is from the first push rod 22
Middle separation, Kirschner wire are inserted in second location hole 6；It is electricity identical with the aperture of the second push rod 23 that user, which chooses pore size,
It bores, under the positioning action of Kirschner wire, the aperture of second location hole 6 is gradually expanded to the aperture phase with the second push rod 23 electric drill
Together, wherein the pore size of the second push rod 23 is 0.8cm, finally by the first positioning plate 1, Kirschner wire, the first push rod 22 from femur
It is separated in head necrotic lesion position 7, so as to complete the Kirschner wire position fixing process of entire bone grafting operation.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (10)
1. a kind of two-way bone grafting guider of one channel, which is characterized in that including the first positioning plate and pilot sleeve, described first is fixed
Position plate is equipped with pilot hole and limiting device, and the limiting device is located in the pilot hole；
The pilot sleeve includes the first push rod and the second push rod for being detachably connected with first push rod, first push rod
It tilts and connects with the second push rod, second push rod is equipped with the through-hole for allowing Kirschner wire to pass through, and the bottom end of first push rod is set
There is the first groove, when first push rod passes through the pilot hole, the limiting device is connect with first groove.
2. the two-way bone grafting guider of one channel as described in claim 1, which is characterized in that first push rod, which is equipped with, to be allowed
The connecting hole that second push rod passes through, the connecting hole are equipped with screw thread, and one end of second push rod is equipped with screw thread.
3. the two-way bone grafting guider of one channel as described in claim 1, which is characterized in that the limiting device is protrusion, institute
Protrusion is stated to be caught in first groove.
4. the two-way bone grafting guider of one channel as described in claim 1, which is characterized in that first positioning plate includes first
Guide plate and the second guide plate, the pilot hole are located on first guide plate, and the limiting device is set to the pilot hole
It is interior；
Second guide plate is equipped with the second groove, and second groove connects by the way that fastener and first guide plate are fixed
It connects.
5. the two-way bone grafting guider of one channel as claimed in claim 4, which is characterized in that first guide plate and second is led
It is concave structure to plate.
6. the two-way bone grafting guider of one channel as claimed in claim 4, which is characterized in that second guide plate is equipped with third
Groove, the cross sectional shape of the third groove are arc-shaped.
7. the two-way bone grafting guider of one channel as described in claim 1, which is characterized in that the pilot hole inner wall is equipped with spiral shell
Line.
8. the two-way bone grafting guider of one channel as claimed in claim 4, which is characterized in that first guide plate is connected with hand
Handle.
9. the two-way bone grafting guider of one channel as claimed in claim 8, which is characterized in that the handle is equipped with antiskid thread.
10. the two-way bone grafting guider of one channel as claimed in claim 8, which is characterized in that the handle is cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820448750.9U CN208926711U (en) | 2018-03-30 | 2018-03-30 | A kind of two-way bone grafting guider of one channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820448750.9U CN208926711U (en) | 2018-03-30 | 2018-03-30 | A kind of two-way bone grafting guider of one channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208926711U true CN208926711U (en) | 2019-06-04 |
Family
ID=66713869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820448750.9U Expired - Fee Related CN208926711U (en) | 2018-03-30 | 2018-03-30 | A kind of two-way bone grafting guider of one channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208926711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493997A (en) * | 2020-04-26 | 2020-08-07 | 宁波市第六医院 | Guider for assisting insertion of kirschner wire in PFN (pulse frequency modulation) operation |
-
2018
- 2018-03-30 CN CN201820448750.9U patent/CN208926711U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493997A (en) * | 2020-04-26 | 2020-08-07 | 宁波市第六医院 | Guider for assisting insertion of kirschner wire in PFN (pulse frequency modulation) operation |
| CN111493997B (en) * | 2020-04-26 | 2023-06-13 | 宁波市第六医院 | Guide device for assisting kirschner wire placement in PFN operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20210330 |