CN211156045U - Reamer under spine operation mirror - Google Patents
Reamer under spine operation mirror Download PDFInfo
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- CN211156045U CN211156045U CN201920702909.XU CN201920702909U CN211156045U CN 211156045 U CN211156045 U CN 211156045U CN 201920702909 U CN201920702909 U CN 201920702909U CN 211156045 U CN211156045 U CN 211156045U
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- threaded rod
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Abstract
The utility model discloses a reamer under vertebra operation mirror, include: the inner threaded rod, the knob assembly and the distraction main body, wherein one end of the inner threaded rod is connected with the knob assembly, and the other end of the inner threaded rod is connected with the distraction main body assembly; through structural optimization, under the limiting condition of the channel space under the endoscope, the blades in the reamer main body can be unfolded and rotated, the function that the reamer can normally process intervertebral discs and end plates under the minimally invasive surgery endoscope is realized, the progress and the efficiency of the endoscope-assisted surgery are improved, and meanwhile, radiation injury is avoided.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to reamer under vertebra operation mirror.
Background
Cutting tools, such as medical reamers (reamers) used by surgeons, typically have cutting surfaces that are capable of cutting and/or removing material from an object. For example, in a number of different orthopaedic disciplines, cutting tools are used to machine bone in the preparation of artificial joints including the hip, knee, elbow and shoulder, and also in the repair of long bone fractures.
Minimally invasive surgery is a hot trend in the development of current spine surgery, but the function of the surgery is difficult to realize in a minimally invasive narrow space range, and meanwhile, radiation can cause harm to patients and patients in the surgery process. Therefore, the appearance of the reamer under the vertebral operation mirror is urgently needed, through structural optimization, under the limiting condition of the channel space under the endoscope, the blades in the reamer main body can be unfolded and rotated, the function that the reamer under the minimally invasive operation mirror can normally process intervertebral discs and end plates is realized, the progress and the efficiency of the endoscope-assisted operation are improved, and meanwhile, radiation injury is avoided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reamer under vertebra operation mirror through configuration optimization, under the restrictive condition of passageway space under the endoscope for blade in the reamer main part can strut and rotate, has realized that reamer can normally handle the function of intervertebral disc and end plate under the minimally invasive operation mirror, has improved the progress and the efficiency of the supplementary operation of endoscope, has avoided the radiation injury simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a spinal surgical sub-reamer, comprising: the internal thread pole, knob subassembly and strut the main part subassembly, internal thread pole one end with knob subassembly is connected, the internal thread pole other end with strut the main part subassembly and be connected.
The utility model provides a pair of reamer under vertebra operation mirror through configuration optimization, under the restrictive condition in channel space under the endoscope for blade in the reamer main part can strut and rotate, has realized reamer can normally handle the function of intervertebral disc and end plate under the minimally invasive operation mirror, has improved the progress and the efficiency of the supplementary operation of endoscope, has avoided the radiation injury simultaneously.
On the basis of the technical scheme, the following improvements can be made:
preferably, the thread on the other end of the internally threaded rod is engaged with the thread on the corresponding part of the distraction body assembly.
As a preferred aspect, a spinal surgery under-mirror reamer comprises: and the outer main body sleeve is sleeved outside the inner threaded rod and is connected with the inner threaded rod.
As a preferred aspect, a spinal surgery under-mirror reamer comprises: a quick interface assembly in telescopic connection with the outer body.
As a preferred scheme, an axial positioning pin is arranged on the outer main body sleeve, the axial positioning pin is connected with the outer main body sleeve, an axial positioning groove is formed in the inner threaded rod, and the axial positioning groove corresponds to and is matched with the axial positioning pin.
Preferably, the knob assembly includes: the rotary knob comprises a rotary main body, a first marble, a step pin, a first spring and a positioning surface, wherein the rotary main body, the first marble, the step pin, the first spring and the positioning surface are all connected with the rotary knob assembly.
Preferably, the quick interface assembly includes: the handle, the handle outer sleeve, the second spring, the second marble and the jump ring, the handle outer sleeve the second spring the second marble with the jump ring all with the fast interface module is connected.
As a preferred aspect, a spinal surgery under-mirror reamer comprises: the reamer can be used for strutting the cavity, and the reamer can be used for strutting the cavity and is connected with the outer main body sleeve.
As preferred scheme, the reamer can strut the cavity with strut the main part subassembly and be connected, strut the main part subassembly and still include: the guide part is connected with the distraction main body component.
As a preferred aspect, a spinal surgery under-mirror reamer comprises: the blade, prop open the main part subassembly and be connected with the blade.
Drawings
Fig. 1 is a structural diagram of a reamer under a spinal surgery mirror according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a knob assembly of a lower reamer of a spinal surgical scope according to an embodiment of the present invention;
fig. 3 is a cross section of a quick connection assembly in a reamer under a spinal surgical scope according to an embodiment of the present invention;
fig. 4 is a structural diagram of a reamer body assembly in an under-reamer for a spinal surgery mirror according to an embodiment of the present invention;
fig. 5 is a partial cross-sectional view of a reamer body assembly in an under-reamer for a spinal surgical scope according to an embodiment of the present invention;
fig. 6 is a structural diagram of an inner screw rod in a reamer under a spinal surgery mirror provided by an embodiment of the present invention;
fig. 7 is a structural diagram of a lower reamer of a spinal surgery mirror according to an embodiment of the present invention;
FIG. 8 is a block diagram of the blades of a spinal surgical sub-reamer according to an embodiment of the present invention;
fig. 9 is a structural diagram of a distraction main body assembly in a spinal surgery mirror reamer according to an embodiment of the present invention;
wherein: 1. the reamer comprises a knob assembly, 2 quick connector assemblies, 3 reamer body assemblies, 11 knob bodies, 12 first marbles, 13 stepped pins, 14 first springs, 15 positioning surfaces, 21 handles, 22 handle outer sleeves, 23 second springs, 24 second marbles, 25 snap springs, 31 inner threaded rods, 32 axial positioning pins, 33 outer body sleeves, 34 blades, 35 nuts, 36 expanding body assemblies, 37 guide pins, 31-1 positioning grooves, 31-2 positioning steps, 31-3 positioning surfaces, 31-4 axial positioning grooves, 31-5 threads, 33-2 positioning planes, 33-3 positioning grooves, 33-4 reamer expandable cavities, 33-5 threaded holes, 34-1 guide grooves and 36-1 threads of corresponding parts, 36-2, a guide part and 36-3, a fixed thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to achieve the objective of the present invention, as shown in fig. 1 to 9, the present invention provides a spinal surgery mirror reamer, comprising: the internal thread pole 31, knob subassembly 1 and strut main part subassembly 36, internal thread pole 31 one end with knob subassembly 1 is connected, the internal thread pole 31 other end with strut the main part subassembly and be connected.
The utility model provides a pair of reamer under vertebra operation mirror through configuration optimization, under the restrictive condition in channel space under the endoscope for blade in the reamer main part can strut and rotate, has realized reamer can normally handle the function of intervertebral disc and end plate under the minimally invasive operation mirror, has improved the progress and the efficiency of the supplementary operation of endoscope, has avoided the radiation injury simultaneously.
In some embodiments, the threads 31-5 on the other end of the internally threaded rod 31 are engaged with the threads 36-1 of the corresponding portion on the distraction body assembly.
By adopting the embodiment, the device has a simple structure, is convenient to operate, can realize the distraction and rotation of the reamer under the limited condition of the channel space under the endoscope, treats the upper and lower end plates, and improves the progress and the efficiency of the minimally invasive surgery.
In some embodiments, a spinal surgical under-reamer, comprising: and the outer body sleeve 33 is sleeved outside the inner threaded rod 31 and connected with the inner threaded rod 33.
By adopting the embodiment, the device is simple in structure and convenient to operate, and the progress and efficiency of the operation are improved.
In some embodiments, a spinal surgical under-reamer, comprising: a quick-interface assembly 2, said quick-interface assembly 2 being connected to said outer body sleeve 33.
By adopting the above embodiment, the quick connector assembly 2 is sleeved and connected with the outer body sleeve 33, the second marbles 23 are clamped into the positioning plane 33-2 of the outer body sleeve 33 under the action of the second springs 24, so as to realize quick assembly, and when a certain pull-out force is used, the second marbles 23 compress the second springs 24, so that the quick connector assembly 2 is quickly separated from the outer body sleeve 33.
In some embodiments, the outer body sleeve 33 is provided with an axial positioning pin 32, the axial positioning pin 32 is connected with the outer body sleeve 33, the inner threaded rod 31 is provided with an axial positioning groove 31-4, and the axial positioning groove 31-4 corresponds to and is matched with the axial positioning pin 32.
With the above embodiment, the axial positioning groove 31-4 corresponds to and cooperates with the axial positioning pin 32, so that the axial movement of the inner threaded rod 31 and the outer body sleeve 33 is limited, and the inner threaded rod 31 and the outer body sleeve 33 only rotate.
In some embodiments, the knob assembly 1 comprises: the rotary knob comprises a rotary body 11, a first marble 12, a step pin 13, a first spring 14 and a positioning surface 15, wherein the rotary body 11, the first marble 14, the step pin 13, the first spring 14 and the positioning surface 15 are all connected with the rotary knob assembly 1.
By adopting the embodiment, the device is simple in structure and convenient to operate, and the progress and efficiency of the operation are improved.
In some embodiments, the quick interface assembly 2 comprises: the quick connector comprises a handle 21, a handle outer sleeve 22, a second spring 23, a second marble 24 and a clamp spring 25, wherein the handle 21, the handle outer sleeve 22, the second spring 23, the second marble 24 and the clamp spring 25 are all connected with the quick connector component 2.
By adopting the embodiment, the device is simple in structure and convenient to operate, and the progress and efficiency of the operation are improved.
In some embodiments, a spinal surgical under-reamer, comprising: a reamer expandable cavity 33-4, said reamer expandable cavity 33-4 being connected to said outer body sleeve 33.
By adopting the embodiment, the device is simple in structure and convenient to operate, and the progress and efficiency of the operation are improved.
In some embodiments, the reamer expandable cavity 33-4 is coupled to the distraction body assembly, which further comprises: the guide part 36-2, the guide part 36-2 is connected with the distraction main body component.
By adopting the embodiment, the device is simple in structure and convenient to operate, and the progress and efficiency of the operation are improved.
In some embodiments, a spinal surgical under-reamer, comprising: the blade, prop open the main part subassembly and be connected with the blade.
By adopting the embodiment, the reamer blade is simple in structure and convenient to operate, the blade is provided with the guide groove 34-1, and the guide groove 34-1 and the guide part 36-2 correspond to each other and are matched with each other, so that the reamer blade can be conveniently unfolded, and the progress and the efficiency of the operation are improved.
A reamer under a vertebral operation mirror is used in a minimally invasive spine operation under the mirror.
A working method of a reamer under a spinal operation mirror comprises the following steps:
after the reamer main body assembly is assembled in vitro, and blades on the reamer main body assembly are in an unfolded state at the moment, due to the limitation of a channel space under the lens, the height of the reamer still cannot pass through the channel under the lens, the reamer needs to be reversely installed in the intervertebral foramen mirror in vitro (the head of the reamer main body assembly at one end of the reamer still remains outside the intervertebral foramen mirror), and then the knob assembly 1 and the quick interface assembly 2 are installed at the other end of the reamer; after the assembly is finished, the reamer blade enters a working state together with the endoscope through the working sleeve, the knob body 11 is rotated, and the reamer blade is expanded through the engagement connection of the threads 31-5 on the other end of the internal threaded rod 31 and the threads 36-1 of the corresponding part on the expansion body component; the handle 21 is rotated, so that the whole reamer rotates, and the function of processing the upper endplate and the lower endplate by the reamer is realized.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.
Claims (8)
1. A spinal surgery under-mirror reamer, comprising: the inner threaded rod, the knob component, the blade and the main body component strut, inner threaded rod one end with the knob component is connected, the inner threaded rod other end with strut the main body component and connect, the screw thread on the inner threaded rod other end and the screw-thread engagement who struts the corresponding part on the main body component are connected, strut the main body component with the blade is connected.
2. The spinal surgical underreamer of claim 1, comprising: and the outer main body sleeve is sleeved outside the inner threaded rod and is connected with the inner threaded rod.
3. The spinal surgical underreamer of claim 2, comprising: a quick interface assembly in telescopic connection with the outer body.
4. The spinal surgery mirror lower reamer as claimed in claim 3, wherein the outer body sleeve is provided with an axial positioning pin, the axial positioning pin is connected with the outer body sleeve, the inner threaded rod is provided with an axial positioning groove, and the axial positioning groove and the axial positioning pin correspond to each other and are matched with each other.
5. The spinal surgical underreamer of claim 1, wherein the knob assembly comprises: the rotary knob comprises a rotary main body, a first marble, a step pin, a first spring and a positioning surface, wherein the rotary main body, the first marble, the step pin, the first spring and the positioning surface are all connected with the rotary knob assembly.
6. The spinal surgical underreamer of claim 3, wherein the quick interface assembly comprises: the handle, the handle outer sleeve, the second spring, the second marble and the jump ring, the handle outer sleeve the second spring the second marble with the jump ring all with the fast interface module is connected.
7. The spinal surgical underreamer of claim 4, comprising: the reamer can be used for strutting the cavity, and the reamer can be used for strutting the cavity and is connected with the outer main body sleeve.
8. The spinal surgical mirror down reamer of claim 1, wherein the reamer expandable cavity is connected to the distraction body assembly, the distraction body assembly further comprising: the guide part is connected with the distraction main body component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920702909.XU CN211156045U (en) | 2019-05-15 | 2019-05-15 | Reamer under spine operation mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920702909.XU CN211156045U (en) | 2019-05-15 | 2019-05-15 | Reamer under spine operation mirror |
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| CN211156045U true CN211156045U (en) | 2020-08-04 |
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| CN201920702909.XU Active CN211156045U (en) | 2019-05-15 | 2019-05-15 | Reamer under spine operation mirror |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022032880A1 (en) * | 2020-08-12 | 2022-02-17 | 山东冠龙医疗用品有限公司 | Double-sided intervertebral curette |
-
2019
- 2019-05-15 CN CN201920702909.XU patent/CN211156045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022032880A1 (en) * | 2020-08-12 | 2022-02-17 | 山东冠龙医疗用品有限公司 | Double-sided intervertebral curette |
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