CN109330659B - Medical drill capable of automatically discharging bone fragments - Google Patents
Medical drill capable of automatically discharging bone fragments Download PDFInfo
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- CN109330659B CN109330659B CN201811462138.8A CN201811462138A CN109330659B CN 109330659 B CN109330659 B CN 109330659B CN 201811462138 A CN201811462138 A CN 201811462138A CN 109330659 B CN109330659 B CN 109330659B
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 150
- 239000012634 fragment Substances 0.000 title claims abstract description 80
- 238000007599 discharging Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 6
- 230000000670 limiting effect Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 8
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 208000005422 Foreign-Body reaction Diseases 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The application relates to the technical field of medical equipment, in particular to a medical drill capable of automatically discharging bone fragments, which comprises a machine body, a drill bit, a cutting mechanism, a bone fragment collector and a negative pressure generating device, wherein the drill bit is arranged on the machine body; one end of the drill bit is connected with the machine body, and a drain groove is arranged along the extending direction of the drill bit; the cutting mechanism is arranged on the drill bit; the machine body is internally provided with a chip removal channel, the inlet end of the chip removal channel penetrates through the end part of the machine body, and the cutting mechanism is positioned in the inlet end; the bone dust collector is arranged on the machine body, is communicated with the chip removal channel and is also communicated with the negative pressure generating device. Therefore, the cutting mechanism can cut the bone fragments secondarily, so that the bone fragments are finer, and under the action of the negative pressure generating device, the fine bone fragments automatically enter the chip removal channel through negative pressure suction and finally fall into the bone fragment collector, the bone fragments are easy to discharge, the operation time is shortened, the operation efficiency is improved, and complications such as operation bleeding, bone dissolution, foreign body reaction and the like are reduced.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a medical drill capable of automatically discharging bone fragments.
Background
At present, in the bone surgery of patients, bone tissues often need to be drilled, a certain number of bone blocks can be generated in the operation process of drilling the bone tissues, and the bone blocks cannot be smoothly discharged from the tail of an electric drill through a channel in the electric drill, so that the drilling efficiency is affected. In addition, because the bone tissue is a hard connective tissue and is composed of cells, fibers and matrixes, and the cell matrixes have a large amount of calcium salt deposition, the bone tissue belongs to the hard bone tissue, so bone fragments generated by drilling cannot be as tiny as wood or metal, and a certain amount of blood is generated by the bone tissue, namely bone spongy mass or bone compact mass, in the drilling process, the viscosity of the bone fragments is increased, and the bone fragments are not easy to discharge. Because the drill rotates at a high speed, a large amount of heat can be generated by friction with bone, once bone fragments are not easy to discharge, the temperature of the surface of the drill bit and the surface of the bone can be rapidly increased, and the drill is harmful to bone tissues and is unfavorable for postoperative bone fusion, and meanwhile, the abrasion of the drill can be accelerated.
Disclosure of Invention
The application aims to provide a medical drill capable of automatically discharging bone fragments, which solves the technical problems that in the prior art, bone fragments generated by the medical drill during drilling cannot be smoothly discharged, the operation time is prolonged, pain is brought to a patient, bone tissues are damaged, and abrasion of the drill is accelerated.
The application provides a medical drill capable of automatically discharging bone fragments, which comprises: the bone chip collecting device comprises a machine body, a drill bit, a cutting mechanism, a bone chip collector and a negative pressure generating device; one end of the drill bit is connected with the machine body, and a drain groove is formed along the extending direction of the drill bit; the cutting mechanism is arranged on the drill bit and is used for cutting bone fragments; a chip removal channel is arranged in the machine body, the inlet end of the chip removal channel penetrates through the end, close to the drill bit, of the machine body, and the cutting mechanism is positioned in the inlet end of the chip removal channel; the bone dust collector is arranged on the machine body and is communicated with the outlet of the chip removal channel; the bone fragments collector is also communicated with the negative pressure generating device, and the negative pressure generating device is used for enabling bone fragments to automatically fall into the bone fragments collector through the chip removal channel.
In the above technical solution, further, the drill bit includes a drill bit body and a drill shank; one end of the drill bit main body is connected with the drill shank, two cutting edges are arranged at the other end of the drill bit main body, and the two cutting edges are arranged in a central symmetry mode relative to the center of the other end of the drill bit main body; the drainage groove is formed between the two cutting edges, and comprises a first chip groove and a second chip groove, wherein the first chip groove and the second chip groove spirally extend to the other end of the drill body along one end of the drill body; the drill shank is connected with the machine body, and the cutting mechanism is arranged on the drill shank.
In any of the above solutions, further, the spiral angle of the first junk slot gradually changes; and/or the spiral angle of the second chip groove is gradually changed.
In any of the above solutions, further, the cutting mechanism includes a mounting seat and a plurality of blades; the blades are arranged on the outer wall surface of the mounting seat and are distributed along the circumferential direction of the mounting seat; the installation seat is provided with an installation through hole, and the installation seat is sleeved at the position, close to the machine body, of the drill bit through the installation through hole.
In any of the above technical solutions, further, the cutting mechanism further includes a plurality of limiting buckles, and the limiting buckles are all disposed on an end surface of the mounting seat; the drill bit is provided with a limiting clamping groove, and the limiting buckle is used for being clamped in the limiting clamping groove.
In any of the above technical solutions, further, the plurality of blades are arranged in a central symmetry with respect to the center of the mounting base.
In any of the above technical solutions, further, the mounting base is a cylindrical structure; the blade is of an arc-shaped blade-shaped structure.
In any of the above technical solutions, further, the bone fragments collector includes a feed hopper and a cylinder; the inlet end of the feed hopper is communicated with the outlet end of the chip removal channel, and the outlet end of the feed hopper is communicated with the cylinder; the cylinder body is communicated with the negative pressure generating device.
In any of the above technical solutions, further, an openable bottom cover is provided at the bottom of the cylinder.
Compared with the prior art, the application has the beneficial effects that:
The application provides a medical drill capable of automatically discharging bone fragments, which comprises a machine body, a drill bit, a cutting mechanism, a bone fragment collector and a negative pressure generating device, wherein one end of the drill bit is connected with the machine body, a drain groove is further formed in the drill bit, the cutting mechanism is arranged on the drill bit, a chip removing channel is arranged in the machine body, the cutting mechanism is positioned at the inlet end of the chip removing channel, the outlet end of the chip removing channel is communicated with the bone fragment collector connected with the negative pressure generating device, the cutting mechanism is used for cutting bone fragments, and the negative pressure generating device is used for generating negative pressure and sucking the bone fragments in the chip removing channel into the bone fragment collector.
When the medical drill capable of automatically discharging bone fragments is used, the drill bit is aligned to the bone tissue of a patient, the drill bit is started to start working through the machine body, the drill bit starts to drill holes in the bone tissue, the negative pressure generating device is restarted according to actual needs, the drill bit pushes bone fragments towards the cutting mechanism through the chip grooves on the drill bit, the cutting mechanism cuts the bone fragments for the second time, the bone fragments are finer, and the fine bone fragments are automatically conveyed through the chip removal channel and finally fall into the bone fragment collector under the suction of negative pressure, so that the bone fragments are easier to discharge, the bone fragment discharging efficiency is higher, and the operation time is shortened.
Therefore, the medical drill with the automatic bone chip discharging function can cut the bone chip secondarily through the cutting mechanism, so that the bone chip is finer and is easy to discharge, and under the action of the negative pressure generating device, the fine bone chip subjected to the secondary cutting automatically enters the chip discharging channel through negative pressure suction and finally falls into the bone chip collector, so that the bone chip is discharged more easily, the operation time is shortened, the operation efficiency is improved, the bone chip can be rapidly discharged, the temperature of the bone tissue and the surface of the drill bit is reduced, the bone tissue is protected, the service life of the device is prolonged, in addition, the bone chip in the bone chip collector can be recycled secondarily, namely, the bone tissue is backfilled, the bone healing is facilitated, and the occurrence of complications such as operation bleeding, bone dissolution, foreign body reaction and the like is reduced due to the smooth discharge of the bone chip.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a medical drill capable of automatically discharging bone fragments according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
fig. 3 is a schematic structural view of a cutting mechanism according to an embodiment of the present application;
Fig. 4 is a schematic structural view of a drill bit according to an embodiment of the present application.
Reference numerals:
1-fuselage, 11-chip removal passageway, 2-drill bit, 21-bit body, 221-cutting edge, 222-transverse cutting edge, 223-first chip removal groove, 224-second chip removal groove, 22-drill shank, 3-cutting mechanism, 31-mount pad, 32-blade, 4-bone chip collector, 41-feeder hopper, 42-barrel, 421-bottom, 5-negative pressure generating device.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown.
The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
A medical drill in which bone fragments can be automatically discharged according to some embodiments of the present application will be described with reference to fig. 1 to 4.
Referring to fig. 1, an embodiment of the present application provides a medical drill for automatically discharging bone fragments, comprising: a main body 1, a drill 2, a cutting mechanism 3, a bone dust collector 4 and a negative pressure generating device 5; one end of the drill bit 2 is connected with the machine body 1, and the drill bit 2 is provided with a drain groove along the extending direction; a cutting mechanism 3 is arranged on the drill bit 2, and the cutting mechanism 3 is used for cutting bone fragments; a chip removal channel 11 is arranged in the machine body 1, the inlet end of the chip removal channel 11 penetrates through the end of the machine body 1, which is close to the drill bit 2, and the cutting mechanism 3 is positioned in the inlet end of the chip removal channel 11; the bone dust collector 4 is arranged on the machine body 1, and the bone dust collector 4 is communicated with the outlet of the chip removal channel 11; the bone chip collector 4 is also in communication with a negative pressure generating device 5, said negative pressure generating device 5 being adapted to automatically drop bone chips into said bone chip collector 4 via a chip removal channel 11.
The application provides a medical drill capable of automatically discharging bone fragments, which comprises a machine body 1, a drill bit 2, a cutting mechanism 3, a bone fragment collector 4 and a negative pressure generating device 5, wherein one end of the drill bit 2 is connected with the machine body 1, a drain groove is further formed in the drill bit 2, the cutting mechanism 3 is arranged on the drill bit 2, a chip removing channel 11 is formed in the machine body 1, and the cutting mechanism 3 is positioned at the inlet end of the chip removing channel 11, so that bone fragments discharged by the drill bit 2 fall into the chip removing channel 11 after being subjected to secondary cutting by the cutting mechanism 3, and are prevented from falling on the ground; the outlet end of the chip removing channel 11 is communicated with the bone fragments collector 4 connected with the negative pressure generating device 5, wherein the cutting mechanism 3 is used for cutting bone fragments, and the negative pressure generating device 5 is used for generating negative pressure and sucking the bone fragments in the chip removing channel 11 into the bone fragments collector 4.
When the medical drill capable of automatically discharging bone fragments is used, the drill bit 2 is aligned to the bone tissue of a patient, the drill bit 2 is started to start working through the machine body 1, the drill bit 2 starts to drill holes in the bone tissue, the negative pressure generating device 5 is restarted according to actual needs, the drill bit 2 pushes bone fragments towards the cutting mechanism 3 through the chip grooves on the drill bit, the cutting mechanism 3 cuts the bone fragments for the second time, so that the bone fragments are finer, the fine bone fragments are attracted under the negative pressure, automatically pass through the chip removal channel 11 and finally fall into the bone fragment collector 4, the bone fragments are easier to discharge, the bone fragment discharging efficiency is higher, and the operation time is shortened.
It can be seen that this bone bits can automatic exhaust medical drill, cutting mechanism 3 through its setting can carry out the secondary cutting to the bone bits for the bone bits is finer, and is discharged easily, and under the effect of negative pressure generating device 5, the tiny bone bits through the secondary cutting is through the automatic chip removal passageway that gets into of negative pressure attraction and finally fall to in the bone bits collector 4, make the bone bits discharge easier, shorten operation time, improve operation efficiency, and because the bone bits can be discharged fast, make the temperature on bone tissue and drill bit surface reduce, both protected bone tissue, and prolonged the life of this device, in addition, bone bits in the bone bits collector 4 can carry out secondary recycle, carry out the backfill of bone tissue promptly, help the healing of bone, because the smooth discharge of bone bits, the emergence of complications such as operation bleeding has been reduced, the bone dissolves, foreign matter reaction.
Wherein, optionally, the bone fragment collector 4 is a sterile bone fragment collector 4, i.e. a sterile treatment is required before use.
Wherein, alternatively, the chip removing channel 11 has a zigzag bending structure.
Wherein optionally, the body 1 comprises a housing, a transmission mechanism and a brushless DC motor; wherein, the transmission mechanism and the DC brushless motor are all arranged in the shell; the drill bit 2 is connected with a brushless DC motor through a transmission mechanism. The transmission mechanism is a gear box structure, is a structure in the existing electric drill, and is not described in detail here.
In one embodiment of the present application, the drill bit 2 preferably includes a bit body 21 and a shank 22 as shown in fig. 1 and 4; wherein one end of the bit body 21 is connected with the drill shank 22, and the other end of the bit body 21 is provided with two cutting edges 221, and the two cutting edges 221 are arranged in a central symmetry manner with respect to the center of the other end of the bit body 21; a relief groove is formed between the two cutting edges 221, and the relief groove includes a first chip groove 223 and a second chip groove 224, and the first chip groove 223 and the second chip groove 224 each extend spirally along one end of the bit body 21 to the other end of the bit body 21; the drill shank 22 is connected to the body 1, and the cutting mechanism 3 is provided on the drill shank 22.
In this embodiment, the drill body 21 is inclined backward from the tip of the drill 2 and grinds two symmetrical cutting edges 221, and each cutting edge 221 is spirally extended along the tip of the drill body 21 toward the tail of the drill body 21, thereby forming a transverse cutting edge 222, a first chip groove 223, a second chip groove 224, and a core, the two cutting edges 221 and the transverse cutting edge 222 at the end are used for cutting bone tissue, and the first chip groove 223 and the second chip groove 224 are used for discharging bone chips, avoiding the bone chips from blocking the drilled hole and affecting the drilling of the drill 2, thereby ensuring the normal operation of the operation.
Wherein, optionally, offer the first spacing groove on the drill shank, be provided with a plurality of first spacing buckles in the fuselage for drill shank 22 forms detachable connection structure with fuselage 1.
In one embodiment of the present application, preferably, as shown in fig. 4, the helix angle of the first junk slots 223 is gradually changed; and/or the helix angle of the second junk slots 224 is gradually changed.
In this embodiment, the helical angle of the junk slots is varied, so that different positions on the drill bit 2 have better junk capacity. Optionally, the spiral angle of the first junk slot 223 and/or the rotation angle of the first junk slot 223 maintain the first junk slot 223 and the first junk slot 223 in the front section of the drill bit 2 in a symmetrical double-groove state, and the first junk slot 223 are communicated with the same junk slot in the rear section of the drill bit 2, so that bone chips are finally collected in the same junk slot to be discharged, which is not limited to the above.
In one embodiment of the present application, preferably, as shown in fig. 4, the depth of the first junk slots 223 is gradually changed; and/or the depth of the second junk slots 224 may vary gradually.
In this embodiment, the rate of change of the junk slots is increased, the chip accommodating space and the junk discharging capability are increased, and the overall strength of the drill bit 2 can be ensured, so that the drill bit is not easy to damage.
In one embodiment of the present application, preferably, as shown in fig. 2 and 3, the cutting mechanism 3 includes a mount 31 and a plurality of blades 32; wherein, the plurality of blades 32 are all arranged on the outer wall surface of the mounting seat 31 and are distributed along the circumferential direction of the mounting seat 31; the mounting seat 31 is provided with a mounting through hole, and the mounting seat 31 is sleeved at the position of the drill bit 2, which is close to the machine body 1, through the mounting through hole.
In this embodiment, the mounting seat 31 of the cutting mechanism 3 can be detached from the drill bit 2 to form a detachable structure, and the operation is simple and convenient, and the replacement is convenient. The number of blades 32 is plural and can function to further cut bone fragments so that the bone fragments are more finely divided. Of course, not limited to only three blades 32 in the embodiment.
In one embodiment of the present application, preferably, the cutting mechanism further includes a plurality of limit buckles, and the limit buckles are all disposed on an end surface of the mounting seat 31; the drill bit 2 is provided with a limiting clamping groove, and a limiting buckle is used for being clamped in the limiting clamping groove. (not shown in the drawings)
In this embodiment, the limiting buckle can be clamped in the limiting clamping groove, and plays a role in limiting the mounting seat 31, so that the mounting seat 31 is prevented from rotating along the drill shank 22 of the drill bit 2. The number of the limiting buckles is multiple, and the limiting effect is enhanced.
Wherein, optionally, a plurality of spacing buckles are evenly arranged along the circumference of mount pad 31.
In one embodiment of the present application, preferably, as shown in fig. 3, the plurality of blades 32 are arranged in central symmetry about the center of the mount 31.
In this embodiment, the plurality of blades 32 are arranged in a central symmetry about the center of the mounting seat 31, and when the drill 2 drives the mounting seat 31 to rotate at a high speed, the plurality of blades 32 continuously cut bone fragments, so that the bone fragments are finer, and can enter the chip removal channel 11 smoothly at a later stage, and the chip removal channel is prevented from being blocked. Of course, the arrangement of the plurality of blades 32 may be provided according to actual needs, which is not limited thereto.
In one embodiment of the present application, the mounting seat 31 is preferably a cylindrical structure as shown in fig. 3; the blade 32 is of arcuate blade-like configuration.
In this embodiment, the mounting seat 31 has a cylindrical structure, and is regular in shape, so that the processing and manufacturing are facilitated; the blade 32 is of arcuate blade-like configuration to facilitate rotary cutting of bone chips.
In one embodiment of the present application, preferably, as shown in fig. 1, the bone fragment collector 4 includes a feed hopper 41 and a cylinder 42; the inlet end of the feed hopper 41 is communicated with the outlet end of the chip removal channel 11, and the outlet end of the feed hopper 41 is communicated with the cylinder 42; the cylinder 42 communicates with the negative pressure generating device 5.
In this embodiment, the feeding hopper 41 is funnel-shaped, and serves to guide bone fragments, and the cylinder 42 is used for containing bone fragments, so that the bone fragments can be recycled.
Wherein, alternatively, the feed hopper 41 and the cylinder 42 are of an integral structure, of course, not limited thereto.
In one embodiment of the present application, preferably, as shown in fig. 1, the bottom of the cylinder 42 is provided with a bottom cover 421 that can be opened.
In this embodiment, the bottom of the barrel 42 is provided with an openable bottom cover 421, so that bone fragments in the barrel 42 can be taken out at any time, and the situation that bone fragments are fully accumulated in the barrel 42 and cannot be carried continuously is avoided.
In one embodiment of the present application, the negative pressure generating means 5 is preferably a negative pressure aspirator.
In this embodiment, the negative pressure generating device 5 is a negative pressure aspirator, which is a product sold in the existing market, is convenient for purchase, and has good negative pressure aspiration effect. Wherein, optionally, negative pressure generating device 5 can also be miniature vacuum pump, portable, the range of application is wide. Of course, the negative pressure generating device 5 is not limited to the above two types, and may be selected according to actual needs.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (8)
1.A medical drill for automatically discharging bone fragments, comprising: the bone chip collecting device comprises a machine body, a drill bit, a cutting mechanism, a bone chip collector and a negative pressure generating device;
one end of the drill bit is connected with the machine body, and a drain groove is formed in the drill bit along the extending direction of the drill bit; the cutting mechanism is arranged on the drill bit and is used for cutting bone fragments; a chip removal channel is arranged in the machine body, the inlet end of the chip removal channel penetrates through the end, close to the drill bit, of the machine body, and the cutting mechanism is positioned in the inlet end of the chip removal channel; the bone dust collector is arranged on the machine body and is communicated with the outlet of the chip removal channel; the bone fragments collector is also communicated with the negative pressure generating device, and the negative pressure generating device is used for enabling bone fragments to automatically fall into the bone fragments collector through the chip removal channel;
The drill bit comprises a bit body and a drill shank; one end of the drill bit main body is connected with the drill shank, two cutting edges are arranged at the other end of the drill bit main body, and the two cutting edges are arranged in a central symmetry mode relative to the center of the other end of the drill bit main body; the drainage groove is formed between the two cutting edges, and comprises a first chip groove and a second chip groove, wherein the first chip groove and the second chip groove spirally extend to the other end of the drill body along one end of the drill body; the drill shank is connected with the machine body, and the cutting mechanism is arranged on the drill shank;
The spiral angle of the first chip removal groove is gradually changed; and/or the spiral angle of the second chip groove is gradually changed, so that the first chip groove and the second chip groove are in a symmetrical double-groove state at the front section of the drill bit and are communicated with the rear section of the drill bit to form the same chip groove, and bone fragments are finally collected in the same chip groove and discharged.
2. The automatically dischargeable bone fragment medical drill of claim 1, wherein the cutting mechanism comprises a mount and a plurality of blades; the blades are arranged on the outer wall surface of the mounting seat and are distributed along the circumferential direction of the mounting seat; the installation seat is provided with an installation through hole, and the installation seat is sleeved at the position, close to the machine body, of the drill bit through the installation through hole.
3. The automatic bone fragment evacuation medical drill of claim 2, wherein the cutting mechanism further comprises a plurality of limit catches, each of the plurality of limit catches being disposed on an end face of the mount; the drill bit is provided with a limiting clamping groove, and the limiting buckle is used for being clamped in the limiting clamping groove.
4. The automatically dischargeable bone fragment medical drill of claim 2, wherein a plurality of said blades are arranged in central symmetry about the center of said mount.
5. The automatically-draining bone chips medical drill according to claim 2, wherein the mounting base has a cylindrical structure; the blade is of an arc-shaped blade-shaped structure.
6. The automatically evacuable bone fragment drill of any one of claims 1 to 5 wherein the bone fragment collector comprises a feed hopper and a barrel; the inlet end of the feed hopper is communicated with the outlet end of the chip removal channel, and the outlet end of the feed hopper is communicated with the cylinder; the cylinder body is communicated with the negative pressure generating device.
7. The automatically bone fragment exhausting medical drill of claim 6, wherein said bottom of said barrel is provided with an openable bottom cover.
8. The medical drill automatically discharging bone fragments according to any one of claims 1 to 5, wherein the negative pressure generating means is a negative pressure aspirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462138.8A CN109330659B (en) | 2018-11-29 | 2018-11-29 | Medical drill capable of automatically discharging bone fragments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462138.8A CN109330659B (en) | 2018-11-29 | 2018-11-29 | Medical drill capable of automatically discharging bone fragments |
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| CN109330659A CN109330659A (en) | 2019-02-15 |
| CN109330659B true CN109330659B (en) | 2024-05-28 |
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| CN109771061B (en) * | 2019-03-21 | 2024-03-15 | 山东迈瑞医疗器械有限公司 | Root bone drilling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203935242U (en) * | 2014-06-16 | 2014-11-12 | 李万里 | Wicresoft's fast fetching bone object |
| CN106735462A (en) * | 2016-12-28 | 2017-05-31 | 温岭市职业中等专业学校 | Rig and adjustable chamfer drill |
| CN206761775U (en) * | 2016-12-27 | 2017-12-19 | 常州百康特医疗器械有限公司 | Medical bit |
| CN207806713U (en) * | 2017-11-27 | 2018-09-04 | 贺州学院 | A kind of automatic chip breaking drill bit |
| CN209203422U (en) * | 2018-11-29 | 2019-08-06 | 北京天星博迈迪医疗器械有限公司 | The medical treatment that bone bits can be automatically drained out is bored |
-
2018
- 2018-11-29 CN CN201811462138.8A patent/CN109330659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203935242U (en) * | 2014-06-16 | 2014-11-12 | 李万里 | Wicresoft's fast fetching bone object |
| CN206761775U (en) * | 2016-12-27 | 2017-12-19 | 常州百康特医疗器械有限公司 | Medical bit |
| CN106735462A (en) * | 2016-12-28 | 2017-05-31 | 温岭市职业中等专业学校 | Rig and adjustable chamfer drill |
| CN207806713U (en) * | 2017-11-27 | 2018-09-04 | 贺州学院 | A kind of automatic chip breaking drill bit |
| CN209203422U (en) * | 2018-11-29 | 2019-08-06 | 北京天星博迈迪医疗器械有限公司 | The medical treatment that bone bits can be automatically drained out is bored |
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| CN109330659A (en) | 2019-02-15 |
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