CN208958249U - Medical bit and sphenotresia system - Google Patents
Medical bit and sphenotresia system Download PDFInfo
- Publication number
- CN208958249U CN208958249U CN201820683106.XU CN201820683106U CN208958249U CN 208958249 U CN208958249 U CN 208958249U CN 201820683106 U CN201820683106 U CN 201820683106U CN 208958249 U CN208958249 U CN 208958249U
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- position limiting
- limiting structure
- face
- installation
- hole
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- 238000009434 installation Methods 0.000 claims abstract description 42
- 238000005553 drilling Methods 0.000 abstract description 32
- 238000000034 method Methods 0.000 description 12
- 238000004080 punching Methods 0.000 description 9
- 210000003625 skull Anatomy 0.000 description 6
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229940036811 bone meal Drugs 0.000 description 1
- 239000002374 bone meal Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model embodiment provides a kind of Medical bit and sphenotresia system.The Medical bit includes drill main body and position limiting structure, and drill main body includes installation rod segment and head segment, and head segment is connected in installation rod segment, installs and is provided with the first limit end face in rod segment；Position limiting structure includes installation through-hole and the second limit end face, and head segment passes through the installation through-hole of position limiting structure, and detachably connected with position limiting structure, the first limit end face and the second limit end face cooperation, and limits the length that head segment stretches out position limiting structure.The Medical bit can prevent from drilling it is too deep, guarantee drilling accuracy.
Description
Technical field
The utility model embodiment is related to Minimally Invasive Surgery equipment technical field more particularly to a kind of Medical bit and cranial drill
Hole system.
Background technique
It is increasing using the ratio of minimally-invasive treatment in current neurosurgery, and in such operation, usually need
Drilling operation corresponding with skull thickness is completed on patient skull, in the drilling operation, since bore diameter is usually protected
It holds constant, therefore uses a drill bit, but since each part thickness of skull is different, there is also differences for drilling depth
Not.
The CT images that current boring procedure mainly passes through patient determine the skull thickness of cranium point, and by doctor's handheld drill
Machine is operated, which fully relies on the experience of operation doctor to complete, and operation difficulty is larger.In practice when it is multiple enter cranium point
Skull thickness when having differences, cause to punch depth to change therewith.Doctor is needed in the prior art according to the actual situation
Punching depth is controlled with experience, this makes often occur too deep, the feelings of damaged bone inner tissue that drill in current boring procedure
Condition, so that in skull drill process, the problems such as it is big that there are operation risks, and the activity duration is long.
Utility model content
In view of this, one of the technical issues of the utility model embodiment is solved is to provide a kind of Medical bit and cranium
Bone drilling system, it is too deep using Medical bit punching drilling in the prior art to overcome the problems, such as.
The utility model embodiment provides a kind of Medical bit comprising drill main body and position limiting structure, drill main body packet
Installation rod segment and head segment are included, head segment is connected in installation rod segment, is installed and is provided with the first limit end face in rod segment；Limit knot
Structure includes installation through-hole and the second limit end face, and head segment passes through the installation through-hole of position limiting structure, and detachable with position limiting structure
Ground connection, the first limit end face and the second limit end face cooperation, and limit the length that head segment stretches out position limiting structure.
Optionally, detachably connected by fastening connection components between position limiting structure and drill main body.
Optionally, installation rod segment includes gripping section and group section, and gripping section is fixedly connected with group section, the first limit end face
At the link position of gripping section and group section, head segment is connected on group section.
Optionally, the cross-sectional area of gripping section is greater than the cross-sectional area of group section.
Optionally, installation rod segment is fixedly connected with head segment, alternatively, installation rod segment is detachably connected with head segment.
Optionally, fastening connection components include: external screw thread, and external screw thread is arranged on the periphery of group section；Internal screw thread, interior spiral shell
Line is arranged on the hole wall of installation through-hole, and cooperates with external screw thread.
Optionally, fastening connection components include inserted block and the slot with inserted block cooperation, and inserted block is arranged on group section, slot
It is arranged on position limiting structure；Alternatively, inserted block is arranged on position limiting structure, slot is arranged on group section.
Optionally, position limiting structure further includes chip pocket, and chip pocket is arranged on the hole wall of installation through-hole.
Optionally, position limiting structure further includes considering hole to be worth doing, considers hole to be worth doing and is connected to chip pocket.
Another aspect according to the present utility model provides a kind of sphenotresia system comprising above-mentioned Medical bit.
By above technical scheme as it can be seen that the Medical bit of the utility model embodiment includes drill main body and position limiting structure,
The installation rod segment of drill main body with other tools (such as drilling machine) for connecting, and head segment is for drilling.Position limiting structure is set in brill
Outside head main body, matched by the first limit end face in the installation rod segment of the second limit end face and drill main body on position limiting structure
It closes, defines that head segment stretches out the length of position limiting structure.Make in this way by when Medical bit is punched, the depth of punching
Degree is up to the length that head segment stretches out position limiting structure, so that it is guaranteed that punching depth can be controlled, and then can convenient and simplely
The drilling precision in surgical procedure is controlled, operation risk is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is that some embodiments recorded in the utility model embodiment for those of ordinary skill in the art can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the drill main body of the Medical bit of the embodiments of the present invention；
Fig. 2 is the schematic cross-sectional view of the position limiting structure of the Medical bit of the embodiments of the present invention；
Fig. 3 is the structural schematic diagram of the Medical bit of the embodiments of the present invention.
Description of symbols:
10, drill main body；11, rod segment is installed；111, gripping section；112, group section；111a, the first limit end face；12, knife
Head section；20, position limiting structure；21, installation through-hole；211, the first cooperation hole section；212, the second cooperation hole section；213, third matching hole
Section；22, the second limit end face.
Specific embodiment
Certainly, any technical solution for implementing the utility model embodiment must be not necessarily required to that reaching above simultaneously owns
Advantage.
In order to make those skilled in the art more fully understand the technical scheme in the embodiment of the utility model, below in conjunction with this
Attached drawing in utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, described embodiment is only the utility model embodiment a part of the embodiment, instead of all the embodiments.Based on this reality
With the embodiment in new embodiment, this is all should belong in those of ordinary skill in the art's every other embodiment obtained
The range of utility model embodiment protection.
Further illustrate that the utility model embodiment implements below with reference to the utility model embodiment attached drawing.
As shown in Figure 1-3, embodiment according to the present utility model, Medical bit includes drill main body 10 and position limiting structure
20, drill main body 10 includes installation rod segment 11 and head segment 12.Wherein:
Head segment 12 is connected in installation rod segment 11, is installed and is provided with the first limit end face 111a in rod segment 11；
Position limiting structure 20 includes installation through-hole 21 and the second limit end face 22, and head segment 12 passes through the installation of position limiting structure 20
Through-hole 21, and it is detachably connected with position limiting structure 20, and the first limit end face 111a and the second limit end face 22 cooperate, and limit
The length of the stretching position limiting structure 20 of head segment 12.
In the present embodiment, since installation rod segment 11 can be used for connecting with drilling machine, it can be also used for matching with position limiting structure 20
It closes.Further pass through the first limit of setting end face 111a in installation rod segment 11, and the installation through-hole in position limiting structure 20
The second limit of setting end face 22 on 21, is cooperated by the first limit end face 111a and the second limit end face 22, limits head segment 12
The length of stretching to limit maximum drilling depth, therefore avoids user from drilling when drilling using the Medical bit
Deep problem.
The Medical bit can be adapted for being particularly suitable for needing in medical surgery in any scene appropriate for needing to drill
The scene to drill.For example, drilled when carrying out encephalic operation by the Medical bit, can to avoid drill it is too deep and
Intracerebral tissue is injured, promotes operation safety, and reduce operating difficulty.
In boring procedure, especially during encephalic operation, due to the difference of bore position, may exist and need to bore
Hole depth different problems, in order to meet the needs of different drilling depths, by tight between position limiting structure 20 and drill main body 10
The connected components that are connected are detachably connected, can limit different head segments 12 by the different position limiting structure 20 of replacement in this way and stretch
The length of position limiting structure 20 out is met to further limit different maximum drilling depths in different location drilling needs
The demand of different drilling depths.
About drill main body 10, as shown in Figure 1, the gripping section 111 in installation rod segment 11 is mainly used for cooperating with drilling machine,
Gripping section 111, which can be packed into, when use is stepped up to realize the connection with drilling machine by drilling machine in drilling machine.112 one side of group section is for connecting
Gripping section 111 and head segment 12 are connect, on the other hand can be also used for cooperating with position limiting structure 20, prevent the radial direction of position limiting structure 20
It is mobile, so that interference be avoided to drill.
In the present embodiment, gripping section 111 is fixedly connected with group section 112, and head segment 12 is connected on group section 112.
Gripping section 111 and group section 112 can be integrally formed, again by other means (such as welding, bonding after can also individually processing
Deng) be fixedly connected.
Preferably, it is provided with the first limit end face 111a at the link position of gripping section 111 and group section 112, in this way may be used
More easily to form the first limit end face 111a, make to process simpler convenience, cost is lower.
Specifically, in the present embodiment, gripping section 111 and group section 112 are integrally formed, the cross-sectional area of gripping section 111
Greater than the cross-sectional area of group section 112, to form the first limit end face 111a.
According to the different needs, installation rod segment 11 can be fixedly connected with head segment 12.Alternatively, installation rod segment 11 and cutter head
Section 12 is detachably connected.
For example, installation rod segment 11 group section 112 and head segment 12 between can be integrally formed or group section 112 with
Connection (is such as welded, is bonded) by other means again to head segment 12 after individually processing.Or group section 112 and head segment
It is connected between 12 by connected structure, or passes through magnetic structure connection etc..It is preferably removable between group section 112 and head segment 12
Connection is unloaded, head segment 12 is more easily replaced.
About position limiting structure 20, as shown in Fig. 2, the installation through-hole 21 of position limiting structure 20 is passed through for drill main body 10, it will
Position limiting structure 20 is set in outside drill main body 10.In the present embodiment, installation through-hole 21 is stepped hole comprising the first cooperation section
211, the second cooperation section 212 and third cooperate section 213 preferably to cooperate with drill main body 10.
Wherein, installation through-hole 21 third cooperation section 213 and gripping section 111 cooperate, second cooperation section 212 mainly with switching
Section 112 cooperates, and third cooperates section 211 mainly to cooperate with head segment 12.Have between third cooperation section 213 and the second cooperation section 212
There is cascaded surface, the cascaded surface is as the second limit end face 22.When drill main body 10 passes through position limiting structure 20, the first limit end face
The limit of 111a and second end face 22 is bonded, to limit the cooperation position of position limiting structure 20 Yu drill main body 10, and then is realized quasi-
The purpose of the extension elongation of fidelity stationary knife head section 12.
Optionally, in order to guarantee to limit accuracy, and the safety and reliability of operation, position limiting structure 20 and drill bit master
Fastening connection components between body 10 are screwed assembly.The fastening connection components include external screw thread and internal screw thread.External screw thread
It is arranged on the periphery of group section 112, internal screw thread is arranged on the hole wall of installation through-hole 21, and cooperates with external screw thread.In this way when
It is fastenedly connected when position limiting structure 20 cooperates with drill main body 10 by helicitic texture realization, prevents position limiting structure 20 from radially moving with this
Dynamic and axial movement guarantees cooperation precision.
Certainly, in other embodiments, fastening connection components can be other any can to limit position limiting structure 20 radial
Mobile and/or axial movement structure, for example, fastening connection components include inserted block and the slot with inserted block cooperation, inserted block setting
On group section 112, slot is arranged on position limiting structure 20；Alternatively, inserted block is arranged on position limiting structure 20, slot setting is turning
It connects in section 112.The limit to position limiting structure 20 also may be implemented in the fastening connection components of this structure.
As shown in Fig. 2, optionally, during surgical drill, in order to guarantee that operation safety, position limiting structure 20 further include
Chip pocket (not shown), chip pocket are arranged on the hole wall of installation through-hole 21, which can collect in boring procedure
The clast (such as bone meal) of generation, prevents clast from entering surgery location and damaging to patient.
Optionally, for the ease of clast discharge, position limiting structure 20 further includes considering hole to be worth doing, considers hole to be worth doing and is connected to chip pocket, with
By the clast discharge in chip pocket.
In the present embodiment, due to first limit end face 111a to the front end of head segment 12 distance be it is certain, together
When the second limit end face 22 to front end of position limiting structure 20 distance be also certain, and the difference of the two distances is exactly knife
The length of the stretching position limiting structure 20 of head section 12, it can the depth capacity of drilling, therefore the Medical bit can be easily simple
Ground controls drilling depth.In actual operation, for the drilling operation of different depth, multiple second limits end face 22 need to only be prepared
To the front end of position limiting structure 20 apart from different position limiting structures 20, so that it may replace position limiting structure 20 at any time as needed, it is real
Existing different punching is deep-controlled.
Another aspect according to the present utility model provides a kind of sphenotresia system comprising above-mentioned Medical bit.
The sphenotresia system utilizes above-mentioned Medical bit, and the Medical bit in 10 housing of drill main body by limiting position
Structure 20 controls the length that head segment 12 is stretched out using position limiting structure 20, to control punching depth, solves current punching and makees
Industry needs doctor's hand-guided to punch depth, causes the problem of activity duration is long, depth cannot accurately control.
When being drilled using the Medical bit, due to the second limit end face 22 and the drill main body 10 of position limiting structure 20
First limit end face 111a cooperation, defines the length that head segment 12 is stretched out, thus when the drilling of head segment 12 reaches predetermined depth
When, the lower end surface of position limiting structure 20 can be in contact with the bone surface of patient, so that position limiting structure 20 can not continue along drilling side
To traveling, simultaneously because the first limit end face 111a is matched with the second limit end face 22, thus in the lower end of position limiting structure 20
When face and bone surface contact, a power opposite with boring direction can be provided to drill main body 10, make head segment 12 can not be after
It is continuous to go deep into, to reach limitation drilling depth, avoid the too deep purpose that drills.
Using the Medical bit, no replacement is required tools such as drilling machine, it is only necessary to which punching depth selection on the estimation is suitable
Position limiting structure 20 and drill main body 10 can accurately control punching depth so that boring procedure is convenient and efficient.
Operation difficulty of the doctor in drill process is reduced using the Medical bit, reduces the time of drilling operation,
Operation risk is reduced, different position limiting structures 20 can also be replaced for the drilling operation of different depth, no replacement is required
Entire Medical bit, while the boring procedure of the Medical bit is no different with existing drill bit, there is no need to replace the works such as existing drilling machine
Tool, has saved cost.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The range of the utility model embodiment.
Embodiment of above is merely to illustrate the utility model embodiment, and not to the limit of the utility model embodiment
System, those of ordinary skill in related technical field, in the case where not departing from the spirit and scope of the utility model embodiment, also
It can make a variety of changes and modification, therefore all equivalent technical solutions also belong to the scope of the utility model embodiment, this
The scope of patent protection of utility model embodiment should be defined by the claims.
Claims (10)
1. a kind of Medical bit, which is characterized in that including drill main body (10) and position limiting structure (20), the drill main body (10)
It is connected on the installation rod segment (11) including installation rod segment (11) and head segment (12), the head segment (12), the installation
The first limit end face (111a) is provided in rod segment (11)；The position limiting structure (20) includes installation through-hole (21) and the second limit
End face (22), the head segment (12) passes through the installation through-hole (21) of the position limiting structure (20), and ties with the limit
Structure (20) is detachably connected, first limit end face (111a) and the second limit end face (22) cooperation, and limits institute
State the length that head segment (12) stretch out the position limiting structure (20).
2. Medical bit according to claim 1, which is characterized in that the position limiting structure (20) and the drill main body
(10) detachably connected by fastening connection components between.
3. Medical bit according to claim 2, which is characterized in that the installation rod segment (11) includes gripping section (111)
With group section (112), the gripping section (111) is fixedly connected with the group section (112), first limit end face (111a)
At the link position of the gripping section (111) and the group section (112), the head segment (12) is connected to the switching
In section (112).
4. Medical bit according to claim 3, which is characterized in that the cross-sectional area of the gripping section (111) is greater than institute
State the cross-sectional area of group section (112).
5. Medical bit according to claim 3, which is characterized in that the installation rod segment (11) and the head segment (12)
It is fixedly connected, alternatively, the installation rod segment (11) is detachably connected with the head segment (12).
6. Medical bit according to claim 3, which is characterized in that the fastening connection components include:
External screw thread, the external screw thread are arranged on the periphery of the group section (112)；
Internal screw thread, the internal screw thread are arranged on the hole wall of the installation through-hole (21), and cooperate with the external screw thread.
7. Medical bit according to claim 3, which is characterized in that the fastening connection components include inserted block and with it is described
The slot of inserted block cooperation, the inserted block are arranged on the group section (112), and the slot is arranged in the position limiting structure (20)
On；Alternatively, the inserted block is arranged on the position limiting structure (20), the slot is arranged on the group section (112).
8. Medical bit described in any one of -7 according to claim 1, which is characterized in that the position limiting structure (20) further includes
Chip pocket, the chip pocket are arranged on the hole wall of the installation through-hole (21).
9. Medical bit according to claim 8, which is characterized in that the position limiting structure (20) further includes considering hole to be worth doing, institute
Bits hole is stated down to be connected to the chip pocket.
10. a kind of sphenotresia system, which is characterized in that including Medical bit of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820683106.XU CN208958249U (en) | 2018-05-08 | 2018-05-08 | Medical bit and sphenotresia system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820683106.XU CN208958249U (en) | 2018-05-08 | 2018-05-08 | Medical bit and sphenotresia system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958249U true CN208958249U (en) | 2019-06-11 |
Family
ID=66747107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820683106.XU Active CN208958249U (en) | 2018-05-08 | 2018-05-08 | Medical bit and sphenotresia system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208958249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956321A (en) * | 2020-08-31 | 2020-11-20 | 曹阳 | Multifunctional medical orthopedic drill bit based on magnetic attraction principle |
-
2018
- 2018-05-08 CN CN201820683106.XU patent/CN208958249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956321A (en) * | 2020-08-31 | 2020-11-20 | 曹阳 | Multifunctional medical orthopedic drill bit based on magnetic attraction principle |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 100191 Room 501, floor 5, building 9, No. 35 Huayuan North Road, Haidian District, Beijing Patentee after: Beijing Baihui Weikang Technology Co.,Ltd. Address before: Room 502, Building No. 3, Garden East Road, Haidian District, Beijing, 100191 Patentee before: Beijing Baihui Wei Kang Technology Co.,Ltd. |