CN213283194U - Drill for orthopedic surgery - Google Patents
Drill for orthopedic surgery Download PDFInfo
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- CN213283194U CN213283194U CN202021397755.7U CN202021397755U CN213283194U CN 213283194 U CN213283194 U CN 213283194U CN 202021397755 U CN202021397755 U CN 202021397755U CN 213283194 U CN213283194 U CN 213283194U
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- locating part
- cartilage
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Abstract
The utility model discloses an orthopedic operation perforator, orthopedic operation perforator are including boring the body and locating part, bore the outer peripheral face of the body and be equipped with the helicla flute, and the locating part is adjustable with the distance of boring the terminal surface of the body, and the side that the locating part is close to the terminal surface of boring the body is used for butt cartilage or bone to prevent orthopedic operation perforator to continue to bore into cartilage or bone, the locating part cover is located the outside of boring the body, and the medial surface of locating part is equipped with the bellying, bellying embedding helicla flute. The utility model discloses an utilize the cover to establish the locating part of boring external portion for bone surgery perforator can not continue to bore into cartilage or bone. The distance between the limiting part and the end face of the drill body is adjusted, so that the drilling depth is adjusted, and the drilling position and the drilling depth precision are improved. The utility model discloses an orthopedic surgery perforator is favorable to simply, conveniently realizing the drilling of cartilage or bone, is favorable to improving the efficiency of drilling, ensures the accurate implantation of bone cartilage support.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to bone surgery perforator.
Background
Articular cartilage damage is refractory damage in the medical field, and symptoms such as joint swelling and pain are often caused after cartilage damage, so that osteoarthritis is easy to occur. The cartilage tissue has special structure, no nerve, blood vessel and lymphatic vessel are in the cartilage tissue, and the nutrition supply of the cartilage is realized by the pressure change generated by joint movement, so that synovial fluid is communicated between a joint cavity and a cartilage matrix, and the damaged articular cartilage cannot be repaired and regenerated, and obvious dysfunction is easily caused. At present, the injury of the articular cartilage tissue of the human body is mainly repaired by the osteochondral scaffold, so that the patient does not need joint replacement operation any more, the pain of replacing the artificial joint again after the artificial joint reaches the service life is avoided, and meanwhile, the operation cost is also greatly reduced.
In order to place the osteochondral scaffold, it is often necessary to drill an implantation hole of the cartilage scaffold at the joint injury. Currently, the implant hole is generally drilled using an orthopedic drill. When the bone surgery drill drills into cartilage or bone, bone marrow overflows from the drill hole, so that the surgery visual field is not clear, the drilling depth of the bone surgery drill into the cartilage or the bone is difficult to determine, and the depth of the cartilage support implanting hole is difficult to judge. If the depth of the implantation hole is too shallow, the osteochondral scaffold is difficult to implant; if the depth of the implant hole is too deep, the osteochondral scaffold is sunk, which is not beneficial to injury recovery.
In addition, because the bottom surface of the implantation hole drilled by most of the existing bone surgery broaches is conical or has a cambered surface, the fitting degree of the cylindrical osteochondral scaffold and the bone tissue at the implantation position is reduced, the stable implantation is difficult, the adverse damage repair is realized, and the mechanical conduction of the osteochondral is influenced.
Finally, the bone surgery reamer is easy to shift and deviate when rotating at high speed, so that the bone surgery reamer is not easy to align to the position of the pre-designed implant hole.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an orthopedic operation perforator in order to overcome among the prior art the above-mentioned defect of difficult judgement drilling depth of cartilage or bone drilling in-process.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides an orthopedic operation perforator, its characterized in that, orthopedic operation perforator is including boring body and locating part, the outer peripheral face that bores the body is equipped with the helicla flute, the locating part with the distance of the terminal surface of boring the body is adjustable, the locating part is close to the side of the terminal surface of boring the body is used for butt cartilage or bone, in order to prevent orthopedic operation perforator continues to bore in cartilage or bone, the locating part cover is located the outside of boring the body, the medial surface of locating part is equipped with the bellying, the bellying embedding the helicla flute.
In the scheme, by adopting the structure, the limiting part sleeved outside the drill body is utilized, so that the bone surgery drill cannot continuously drill into the cartilage or the bone. The distance between the limiting part and the end face of the drill body is adjusted, so that the drilling depth is adjusted, and the drilling position and the drilling depth precision are improved. The bone surgery drilling device is beneficial to simply and conveniently realizing drilling of cartilage or bone, is beneficial to improving the drilling efficiency, and ensures accurate implantation of the osteochondral scaffold.
Preferably, the limiting part comprises a limiting body and a connecting piece, the limiting body is sleeved on the outer side of the drill body, the protruding part is arranged on the inner side surface of the limiting body, the connecting piece is arranged between the limiting body and the drill body, and the connecting piece is used for fixing the limiting body relative to the drill body.
In this scheme, through adopting above structure, with locating part design for spacing body and connecting piece, be favorable to simplifying the design form of locating part. Utilize the connecting piece to make spacing body fixed for boring the body to make the distance of locating part and the terminal surface of boring the body fixed, and then realized drilling depth's fixed, this scheme is favorable to improving bone surgery perforator's reliability.
Preferably, the limiting body is provided with a positioning hole, the positioning hole extends from the outer side surface of the limiting member to the drill body, and the positioning hole is used for penetrating into the connecting member.
In this scheme, through adopting above structure, through set up the locating hole on spacing body, be favorable to simplifying the connected form between connecting piece and the spacing body, be favorable to improving the reliability of being connected between connecting piece and the spacing body.
Preferably, the connecting member is a fastening screw, the fastening screw is inserted into the positioning hole, and the fastening screw is used for abutting against the drill body.
In this scheme, through adopting above structure, utilize the fixed orifices and wear to establish fastening screw wherein for the locating part can be fixed tightly on boring the body, is favorable to improving the stability of locating part, is favorable to avoiding the unexpected slip of locating part, is favorable to improving the control to the precision of drilling depth.
Preferably, the limiting member further includes an abutting end, and the abutting end is disposed on one side of the limiting member facing the end surface of the drill body.
Preferably, the abutting end is a sleeve made of nylon or polyethylene; or, the limiting piece is made of nylon or polyethylene.
In this scheme, through adopting above structure, utilize the material to be nylon or polyethylene's butt end, be favorable to reducing the friction and the pressure of locating part to cartilage or bone, be favorable to avoiding cartilage or bone accidental injury.
Preferably, the bone surgery borer still includes the blotter, the blotter sets up the locating part is towards one side of the terminal surface of the drill body, the material of blotter is silica gel or rubber.
In this scheme, through adopting above structure, utilize the material to be the blotter of silica gel or rubber to set up the blotter between locating part and cartilage or bone, be favorable to reducing the friction and the pressure of locating part to cartilage or bone, be favorable to avoiding cartilage or bone accidental injury.
Preferably, the outer side surface of the drill body is provided with a plurality of closed scale marks, and the plane where the scale marks are located is perpendicular to the straight line where the axis of the drill body is located.
Preferably, the outer side surface of the drill body is further provided with a plurality of scale values, the scale values are arranged on the side surfaces of the scale marks, and the scale values are used for marking the distance between the corresponding scale marks and the end surface of the drill body.
In this scheme, through adopting above structure, utilize the scale mark and the scale interval of setting at the brill body lateral surface, be favorable to simplifying the setting of locating part position, also be favorable to improving the position precision of locating part, be favorable to improving the degree of depth precision of boring the hole.
Preferably, the end face of the drill body is a plane, and the plane is perpendicular to a straight line where the axis of the drill body is located.
In this scheme, through adopting above structure, the terminal surface design of boring the body is the plane of the axis of the perpendicular to boring the body for the bottom surface in the hole that drills out is the plane, and then is favorable to improving the stability of installing the cartilage support in the hole, is favorable to improving follow-up operation quality.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses an utilize the cover to establish the locating part of boring external portion for bone surgery perforator can not continue to bore into cartilage or bone. The distance between the limiting part and the end face of the drill body is adjusted, so that the drilling depth is adjusted, and the drilling position and the drilling depth precision are improved. The utility model discloses an orthopedic surgery perforator is favorable to simply, conveniently realizing the drilling of cartilage or bone, is favorable to improving the efficiency of drilling, ensures the accurate implantation of bone cartilage support.
Drawings
FIG. 1 is a schematic structural view of an orthopedic surgical drill according to a preferred embodiment of the present invention.
FIG. 2 is a partially enlarged schematic structural view of the drill for orthopedic surgery according to the preferred embodiment of the present invention.
FIG. 3 is another schematic structural view of the drill for orthopedic surgery according to the preferred embodiment of the present invention.
Description of reference numerals:
drill 10 for bone surgery
Axis 16
Positioning member 20
Convex part 301
Connecting piece 303
Graduation line A
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1-3, the orthopedic surgery drill 10 of the present embodiment includes a drill body 11 and a limiting member 30, a spiral groove 13 is disposed on an outer circumferential surface of the drill body 11, a distance between the limiting member 30 and an end surface 14 of the drill body 11 is adjustable, a side surface of the limiting member 30 close to the end surface 14 of the drill body 11 is used for abutting against cartilage or bone to prevent the orthopedic surgery drill 10 from continuously drilling into cartilage or bone, the limiting member 30 is sleeved on an outer side of the drill body 11, a convex portion 301 is disposed on an inner side surface of the limiting member 30, and the convex portion 301 is embedded in the spiral groove 13. In the present embodiment, the position limiting member 30 is disposed outside the drill body 11, so that the bone drill 10 cannot drill into cartilage or bone. The distance between the limiting piece 30 and the end face 14 of the drill body 11 is adjusted, so that the drilling depth is adjusted, and the accuracy of the drilling position and the drilling depth is improved. The bone surgery drill 10 of the embodiment is beneficial to simply and conveniently realizing the drilling of cartilage or bone, is beneficial to improving the drilling efficiency, and ensures the accurate implantation of the osteochondral scaffold.
As shown in FIG. 1, the orthopedic drill 10 further includes a spacer 20, and the spacer 20 is illustrated as a triangular pyramid. The tip of the positioning member 20 of this embodiment can also pierce the bone, so that the nutrients in the bone marrow can flow out, thereby facilitating the recovery of the patient after the operation. In fig. 1, the cutting face 12, the drill shank 15 and the axis 16 of the drill body 11 are also shown, the drill body 11 being designed in one piece with the drill shank 15. The cutting face 12 is disposed on the end face 14. As can be seen from fig. 1 and fig. 2, the protruding portion 301 of the present embodiment is adapted to the spiral groove 13, and the protruding portion 301 slides along the spiral groove 13, so that the limiting member 30 approaches or leaves the end surface 14 of the drill body 11, thereby adjusting the drilling depth.
In other embodiments, the limiting member 30 may not be provided with the protrusion 301, that is, the limiting member 30 may be annular, and the annular limiting member 30 is sleeved outside the drill body 11.
As a specific embodiment, the limiting member 30 includes a limiting body 302 and a connecting member 303, the limiting body 302 is sleeved outside the drill body 11, the protrusion 301 is disposed on an inner side surface of the limiting body 302, the connecting member 303 is disposed between the limiting body 302 and the drill body 11, and the connecting member 303 is used for fixing the limiting body 302 with respect to the drill body 11. In the embodiment, the limiting member 30 is designed as the limiting body 302 and the connecting member 303, which is beneficial to simplifying the design of the limiting member 30. The limiting body 302 is fixed relative to the drill body 11 by the connecting member 303, so that the distance between the limiting member 30 and the end surface 14 of the drill body 11 is fixed, the drilling depth is fixed, and the embodiment is favorable for improving the reliability of the bone surgery drill 10.
In order to improve the stability of the limiting member 30, the limiting body 302 is provided with a positioning hole extending from the outer side of the limiting member 30 to the drill body 11, and the positioning hole is used for penetrating the connecting member 303. This embodiment is favorable to simplifying the connection form between connecting piece 303 and the spacing body 302 through set up the locating hole on spacing body 302, is favorable to improving the reliability of being connected between connecting piece 303 and the spacing body 302.
As a preferred embodiment, the connecting member 303 may be a fastening screw, which is inserted into the positioning hole and is used to abut against the drill body 11. In the embodiment, the fixing hole and the fastening screw penetrating through the fixing hole are utilized, so that the limiting member 30 can be tightly fixed on the drill body 11, thereby facilitating improvement of the stability of the limiting member 30, avoiding accidental sliding of the limiting member 30, and facilitating improvement of control over the precision of the drilling depth. Of course, the number of the fixing holes and the fastening screws may be plural, such as two, three, or four.
As a preferred embodiment, the limiting member 30 further comprises an abutment end, which is arranged at a side of the limiting member 30 facing the end surface 14 of the drill body 11. Specifically, the abutting end can be a sleeve made of nylon or polyethylene; of course, in other embodiments, the material of the limiting member 30 may be nylon or polyethylene as a whole. In this embodiment, the abutting end made of nylon or polyethylene is used to reduce the friction and pressure of the limiting member 30 on the cartilage or bone, thereby avoiding accidental injury of the cartilage or bone. The sleeve and the position limiting member 30 are made of polymer materials such as nylon and Polyethylene (PVC), so that the sleeve and the position limiting member 30 have certain strength, non-toxicity, wear resistance and the like. The sleeve and the stopper 30 are preferably made of a transparent material. The outer side of the sleeve and retainer 30 is preferably smooth to protect bone or cartilage.
For better protection of cartilage or bone, the bone drill 10 may further include a buffer pad, the buffer pad is disposed on a side of the limiting member 30 facing the end surface 14 of the drill body 11, and the buffer pad is made of silicon gel or rubber. The embodiment utilizes the blotter that the material is silica gel or rubber to set up the blotter between locating part 30 and cartilage or bone, be favorable to reducing the friction and the pressure of locating part 30 to cartilage or bone, be favorable to avoiding cartilage or bone accidental injury.
As a preferred embodiment, as shown in fig. 3, the outer side of the drill body 11 may be provided with a plurality of closed graduation lines a, and the plane of the graduation lines a is perpendicular to the straight line of the axis of the drill body 11. Preferably, the outer side surface of the drill body 11 is further provided with a plurality of scale values, the scale values are arranged on the side surfaces of the scale lines a, and the scale values are used for marking the distance between the corresponding scale lines a and the end surface 14 of the drill body 11. In this embodiment, the scale line a and the scale value on the outer side surface of the drill body 11 are used to facilitate the setting of the position-limiting member 30, improve the position accuracy of the position-limiting member 30, and improve the accuracy of the depth of the drilled hole. In a specific embodiment, the scale value of the graduation mark a corresponding to the side surface of the positioning member 20 away from the limiting member 30 can also be expressed as the distance between the end surface 14 of the drill 11 and the side surface of the limiting member 30 close to the positioning member 20. In the present embodiment, the depth of the limiting member 30 is directly subtracted from the scale value, which is beneficial to directly reading the depth of the drilled hole, and the depth of the limiting member 30 refers to the length of the limiting member 30 along the axis 16 of the drill 11. In other embodiments, the distance between adjacent graduation marks A can be designed to be between 0.1mm and 5 mm.
In order to improve the stability of the cartilage support in the hole, the end surface 14 of the drill body 11 is a plane perpendicular to the line of the axis of the drill body 11, i.e. the end surface 14 is perpendicular to the axis 16 of the drill body 11, as shown in fig. 1. In the embodiment, the end surface 14 of the drill body 11 is designed to be a plane perpendicular to the axis 16 of the drill body 11, so that the bottom surface of the drilled hole is a plane, which is favorable for improving the stability of the cartilage support installed in the hole and the quality of the subsequent operation. If the end surface 14 of the surgical drill 10 is a drill tip having a protruding and curved shape, the bottom surface of the drilled mounting hole is tapered or has a curved surface, and it is difficult to ensure the stability of the mounting bracket after the cartilage bracket is placed in the mounting hole. The bottom surface of the mounting hole drilled by the embodiment is a plane, so that the stability of the cartilage support installed in the hole is improved, and the quality of subsequent operations is improved.
As a specific embodiment, the drill body 11 and the limiting member 30 of the bone surgery drill 10 of the present embodiment may be made of medical stainless steel.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The utility model provides an orthopedic operation perforator, its characterized in that, orthopedic operation perforator is including boring body and locating part, the outer peripheral face that bores the body is equipped with the helicla flute, the locating part with the distance of the terminal surface of boring the body is adjustable, the locating part is close to the side of the terminal surface of boring the body is used for butt cartilage or bone, in order to prevent orthopedic operation perforator continues to bore in cartilage or bone, the locating part cover is located the outside of boring the body, the medial surface of locating part is equipped with the bellying, the bellying embedding the helicla flute.
2. The orthopedic surgical drill of claim 1, wherein the retainer comprises a retainer body and a connector, the retainer body is disposed on an outer side of the drill body, the protrusion is disposed on an inner side of the retainer body, the connector is disposed between the retainer body and the drill body, and the connector is used to fix the retainer body relative to the drill body.
3. The orthopedic surgical drill of claim 2, wherein the stop body is provided with a locating hole extending from an outer side of the stop toward the drill body, the locating hole for passing through the connector.
4. The orthopedic surgical drill of claim 3, wherein the connector is a fastening screw passing through the positioning hole, the fastening screw being adapted to abut against the drill body.
5. The orthopedic surgical drill of claim 1, wherein the stop further comprises an abutment end disposed on a side of the stop facing the end face of the drill body.
6. The orthopedic surgical drill of claim 5, wherein the abutting end is a sleeve made of nylon or polyethylene;
or, the limiting piece is made of nylon or polyethylene.
7. The orthopedic surgical drill of claim 1, further comprising a buffer pad, wherein the buffer pad is disposed on a side of the limiting member facing the end surface of the drill body, and the buffer pad is made of silicone or rubber.
8. The orthopedic surgical drill of claim 1, wherein the outer side of the drill body is provided with a plurality of closed graduation lines, and the plane of the graduation lines is perpendicular to the straight line of the axis of the drill body.
9. The orthopedic surgical drill of claim 8, wherein the outer side surface of the drill body is further provided with a plurality of scale values, the scale values are arranged on the side surfaces of the scale lines, and the scale values are used for marking the distance between the corresponding scale line and the end surface of the drill body.
10. The orthopedic surgical drill of any of claims 1-9, wherein the end face of the drill body is a plane perpendicular to a line on which the axis of the drill body lies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021397755.7U CN213283194U (en) | 2020-07-15 | 2020-07-15 | Drill for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021397755.7U CN213283194U (en) | 2020-07-15 | 2020-07-15 | Drill for orthopedic surgery |
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| Publication Number | Publication Date |
|---|---|
| CN213283194U true CN213283194U (en) | 2021-05-28 |
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| CN202021397755.7U Active CN213283194U (en) | 2020-07-15 | 2020-07-15 | Drill for orthopedic surgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805981A (en) * | 2017-11-22 | 2019-05-28 | 苏州微创骨科医疗工具有限公司 | Medical tool |
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2020
- 2020-07-15 CN CN202021397755.7U patent/CN213283194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805981A (en) * | 2017-11-22 | 2019-05-28 | 苏州微创骨科医疗工具有限公司 | Medical tool |
| CN109805981B (en) * | 2017-11-22 | 2024-02-27 | 苏州微创骨科医疗工具有限公司 | Medical tool |
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Effective date of registration: 20221108 Address after: 201112 floor 3, building 23, No. 1188, LIANHANG Road, Minhang District, Shanghai Patentee after: Huaxia Siyin (Shanghai) Biotechnology Co.,Ltd. Address before: No.85, Shashan Road, Jiangyin City, Wuxi City, Jiangsu Province, 214423 Patentee before: JIANGYIN STEMEASY BIOTECHNOLOGY CO.,LTD. |