CN210749385U - Adjustable depth stop for osteotomy drill - Google Patents
Adjustable depth stop for osteotomy drill Download PDFInfo
- Publication number
- CN210749385U CN210749385U CN201921305106.7U CN201921305106U CN210749385U CN 210749385 U CN210749385 U CN 210749385U CN 201921305106 U CN201921305106 U CN 201921305106U CN 210749385 U CN210749385 U CN 210749385U
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- China
- Prior art keywords
- guide rail
- osteotomy
- auxiliary guide
- adjustable depth
- auxiliary
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Abstract
The utility model belongs to the technical field of clinical medical auxiliary instrument, especially, be an adjustable depth limiter of osteotomy drill bit, including the width adjustment guide rail, the one end of width adjustment guide rail is pegged graft and is had auxiliary guide rail coupling sleeve, auxiliary guide rail coupling sleeve's surface has cup jointed auxiliary guide rail, the spout has all been seted up to auxiliary guide rail and width adjustment guide rail's inside, the inside one side of keeping away from the spout of auxiliary guide rail has seted up the spacing hole of screw thread, the inside of width adjustment guide rail is provided with the bone cutter sleeve pipe and promotes to press from both sides. This novel adjustable depth limiter of osteotomy drill bit uses through width adjustment guide rail, auxiliary guide rail, spout, the spacing hole of screw thread and the sheathed tube cooperation of osteotomy ware, when carrying out the osteotomy operation to patient's four limbs, can improve the device's stability, avoids appearing the skew in operation in-process cutting position, causes the wound for the soft tissue around the amputation face, leads to the postoperative to be difficult to recover.
Description
Technical Field
The utility model belongs to the technical field of clinical medical auxiliary instrument, concretely relates to adjustable depth limiter of osteotomy drill bit.
Background
At present, instruments used in bone surgical osteotomy, such as straight saws, oscillating saws, trephines, reciprocating saws, osteotomes, tibial cutters, osteotomes, bone drills and the like, are used in an open incision mode. The operation wound is large, the osteotomy is easy to damage, the soft tissue and periosteum around the wound are easy to damage, the delayed healing is caused, and the postoperative rehabilitation is directly influenced.
However, the existing osteotomy instrument is easy to deviate during the osteotomy operation, so that a large wound is formed on soft tissues around the amputation surface of the limb of a patient, and postoperative recovery is affected.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an adjustable depth limiter of osteotomy drill bit has that stability is strong and can be convenient for medical personnel to carry out the characteristics adjusted to the width of drilling position and the degree of depth of drilling.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable depth limiter of osteotomy drill bit, includes the width regulation guide rail, the one end of width regulation guide rail is pegged graft and is had auxiliary rail connecting sleeve, auxiliary rail connecting sleeve's surface has cup jointed auxiliary rail, the spout has all been seted up to auxiliary rail and width regulation guide rail's inside, the inside one side of keeping away from the spout of auxiliary rail has seted up the spacing hole of screw thread, the inside of width regulation guide rail is provided with the osteotomy ware sleeve pipe and promotes to press from both sides, the inside grafting that the osteotomy ware sleeve pipe promoted to press from both sides has the osteotomy ware sleeve pipe, osteotomy ware sleeve pipe and the spacing hole adaptation of screw thread.
In order to improve the device's steadiness, as the utility model discloses the adjustable depth limiter of osteotomy drill bit is preferred, it has the reference column to peg graft in auxiliary guide rail connecting sleeve's inside, the angle modulation limiting plate has been cup jointed to the surface of reference column.
In order to make the guide rail can fix, conduct the utility model discloses the adjustable depth stop of osteotomy drill bit is preferred, it has fastening screw to peg graft one side of angle modulation limiting plate, the angle modulation limiting plate passes through fastening screw and width modulation guide rail fixed connection.
For the convenience of medical personnel judges it, conduct the utility model discloses the adjustable depth stop of osteotomy drill bit is preferred, width adjustment guide rail and osteotomy device sheathed tube surface all are provided with the scale, the surface of reference column is provided with the angle scale.
In order to make the device can cut the bone, conduct the utility model discloses the adjustable depth stop of osteotomy drill bit is preferred, the passageway has been seted up to osteotomy device sheathed tube inside, the inside one side of passageway is provided with the drill bit.
In order to improve the accuracy of cutting the bone position, as the utility model discloses the adjustable depth stop of osteotomy drill bit is preferred, the inside one side of keeping away from the drill bit of passageway is provided with cuts bone end pilot pin, cut bone end pilot pin and run through the inside of passageway.
In order to improve the sheathed tube steadiness of osteotomy ware, conduct the utility model discloses the adjustable depth stop of osteotomy drill bit is preferred, the quantity in the spacing hole of screw thread is three, and three the parallel one side of seting up at supplementary guide rail in the spacing hole of screw thread between two liang.
Compared with the prior art, the beneficial effects of the utility model are that:
this novel adjustable depth limiter of osteotomy drill bit uses through width adjustment guide rail, auxiliary guide rail, spout, the spacing hole of screw thread and the sheathed tube cooperation of osteotomy ware, when carrying out the osteotomy operation to patient's four limbs, can improve the device's stability, avoids appearing the skew in operation in-process cutting position, causes the wound for the soft tissue around the amputation face, leads to the postoperative to be difficult to recover.
This novel adjustable depth limiter of osteotomy drill bit uses through angle scale, fastening screw, angle modulation limiting plate and auxiliary guide rail connecting sleeve's cooperation, makes medical staff not only can carry out the snap judgments to the degree of depth and the width of drilling to adjust, so that quick continuous drilling shortens the operation time, and medical staff can adjust the width modulation guide rail according to the angle of patient amputation face, makes it can be applied to multiple osteotomy operation, improves the device's practicality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the auxiliary guide rail of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the auxiliary guide rail connecting sleeve of the present invention.
In the figure: 1. a width adjustment guide rail; 2. the auxiliary guide rail is connected with the sleeve; 3. an auxiliary guide rail; 4. a chute; 5. a threaded limiting hole; 6. the osteotome cannula pushing clip; 7. an osteotome cannula; 8. a positioning column; 9. an angle adjusting limit plate; 10. fastening a screw rod; 11. calibration; 12. an angle scale; 13. a drill bit; 14. a channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an adjustable depth limiter of osteotomy drill bit, including width regulation guide rail 1, the one end grafting of width regulation guide rail 1 has auxiliary guide rail connecting sleeve 2, auxiliary guide rail 3 has been cup jointed to auxiliary guide rail connecting sleeve 2's surface, spout 4 has all been seted up to auxiliary guide rail 3 and width regulation guide rail 1's inside, the inside one side of keeping away from spout 4 of auxiliary guide rail 3 is seted up the spacing hole of screw thread 5, the inside of width regulation guide rail 1 is provided with osteotomy ware sleeve pipe and promotes to press from both sides 6, the inside grafting that the osteotomy ware sleeve pipe promotes to press from both sides 6 has osteotomy ware sleeve pipe 7, osteotomy ware sleeve pipe 7 and 5 looks adaptations in the spacing.
In this embodiment: through width regulation guide rail 1, supplementary guide rail 3, spout 4, the cooperation of the spacing hole of screw thread 5 and osteotomy ware sleeve pipe 7 is used, when carrying out the osteotomy operation to patient's four limbs, through rotatory supplementary guide rail 3, make it fix the bottom at width regulation guide rail 1, then promote supplementary guide rail 3, make the spacing hole of screw thread 5 corresponding with the sleeve pipe, then insert osteotomy ware sleeve pipe 7 in the spacing hole of screw thread 5, thereby can improve the stability of the device when the operation, avoid the skew to appear in the operation in-process cutting position, cause the wound for the soft tissue around the amputation face, lead to the postoperative to be difficult to resume.
Specifically, the inside of auxiliary guide rail connecting sleeve 2 is pegged graft and is had reference column 8, and angle modulation limiting plate 9 has been cup jointed to the surface of reference column 8.
In this embodiment: through the setting of angle modulation limiting plate 9, can be convenient for medical personnel to adjust the angle of amputation face.
Specifically, a fastening screw 10 is inserted into one side of the angle adjusting limiting plate 9, and the angle adjusting limiting plate 9 is fixedly connected with the width adjusting guide rail 1 through the fastening screw 10.
In this embodiment: after the angle adjusting limiting plate 9 is adjusted, the fastening screw 10 can be driven to enable the width adjusting guide rail 1 to correspond to the angle of the amputation surface.
Specifically, the width adjusting guide rail 1 and the outer surface of the osteotome cannula 7 are both provided with scales 11, and the outer surface of the positioning column 8 is provided with an angle scale 12.
In this embodiment: medical personnel accessible angle scale 12 and scale 11 can judge the interval and the degree of depth between the drilling, the angle of amputation face to adjust, improve the accuracy of drilling when cutting the bone.
Specifically, a channel 14 is formed in the osteotome cannula 7, and a drill bit 13 is disposed on one side of the interior of the channel 14.
In this embodiment: the drill 13 is extendable and retractable in the passage 14 to perform a drilling operation, and the medical staff judges the depth of the drilled hole by the height at which the drill 13 is lowered.
Specifically, an osteotomy end locator pin is disposed inside the channel 14 on a side away from the drill bit 13, and the osteotomy end locator pin extends through the interior of the channel 14.
In this embodiment: through the setting of cutting bone end pilot pin, can improve the stability of drill bit 13 when driling, avoid taking place the skew.
Specifically, the number of the threaded limiting holes 5 is three, and the three threaded limiting holes 5 are arranged in parallel on one side of the auxiliary guide rail 3.
In this embodiment: through the arrangement of the three threaded limiting holes 5, medical personnel can conveniently insert the osteotome sleeve 7 into the corresponding threaded limiting hole 5.
The utility model discloses a theory of operation and use flow: through width regulation guide rail 1, supplementary guide rail 3, spout 4, the cooperation of the spacing hole of screw thread 5 and osteotomy ware sleeve pipe 7 is used, when carrying out the osteotomy operation to patient's four limbs, through rotatory supplementary guide rail 3, make it fix the bottom at width regulation guide rail 1, then promote supplementary guide rail 3, make the spacing hole of screw thread 5 corresponding with the sleeve pipe, then insert osteotomy ware sleeve pipe 7 in the spacing hole of screw thread 5, thereby can improve the stability of the device when the operation, avoid the skew to appear in the operation in-process cutting position, cause the wound for the soft tissue around the amputation face, lead to the postoperative to be difficult to resume.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an adjustable depth stop of osteotomy drill, includes width adjustment guide rail (1), its characterized in that: one end of the width adjusting guide rail (1) is spliced with an auxiliary guide rail connecting sleeve (2), the outer surface of the auxiliary guide rail connecting sleeve (2) is sleeved with an auxiliary guide rail (3), sliding grooves (4) are formed in the auxiliary guide rail (3) and the width adjusting guide rail (1), threaded limiting holes (5) are formed in one side, away from the sliding grooves (4), of the inside of the auxiliary guide rail (3), bone cutter sleeve pushing clamps (6) are arranged inside the width adjusting guide rail (1), bone cutter sleeves (7) are spliced inside the bone cutter sleeve pushing clamps (6), and the bone cutter sleeves (7) are matched with the threaded limiting holes (5).
2. The adjustable depth stop of an osteotomy bit of claim 1, wherein: the auxiliary guide rail connecting sleeve (2) is internally inserted with a positioning column (8), and the outer surface of the positioning column (8) is sleeved with an angle adjusting limiting plate (9).
3. The adjustable depth stop of an osteotomy bit of claim 2, wherein: one side of the angle adjusting limiting plate (9) is spliced with a fastening screw rod (10), and the angle adjusting limiting plate (9) is fixedly connected with the width adjusting guide rail (1) through the fastening screw rod (10).
4. The adjustable depth stop of an osteotomy bit of claim 2, wherein: the outer surfaces of the width adjusting guide rail (1) and the osteotome sleeve (7) are provided with scales (11), and the outer surface of the positioning column (8) is provided with an angle scale (12).
5. The adjustable depth stop of an osteotomy bit of claim 1, wherein: a channel (14) is formed in the osteotome sleeve (7), and a drill bit (13) is arranged on one side in the channel (14).
6. The adjustable depth stop of an osteotomy bit of claim 5, wherein: an osteotomy end positioning needle is arranged on one side, far away from the drill bit (13), in the channel (14), and penetrates through the channel (14).
7. The adjustable depth stop of an osteotomy bit of claim 1, wherein: the number of the thread limiting holes (5) is three, and the three thread limiting holes (5) are arranged on one side of the auxiliary guide rail (3) in parallel between every two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305106.7U CN210749385U (en) | 2019-08-12 | 2019-08-12 | Adjustable depth stop for osteotomy drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305106.7U CN210749385U (en) | 2019-08-12 | 2019-08-12 | Adjustable depth stop for osteotomy drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749385U true CN210749385U (en) | 2020-06-16 |
Family
ID=71061479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921305106.7U Expired - Fee Related CN210749385U (en) | 2019-08-12 | 2019-08-12 | Adjustable depth stop for osteotomy drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749385U (en) |
-
2019
- 2019-08-12 CN CN201921305106.7U patent/CN210749385U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |