CN214966270U

CN214966270U - Orthopedics drilling equipment

Info

Publication number: CN214966270U
Application number: CN202120766518.1U
Authority: CN
Inventors: 田利军; 陈梅; 吉德民; 闫敏; 于泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-03
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to a drilling equipment specifically is an orthopedics drilling equipment, including the drilling subassembly. The device also comprises a positioning cantilever and an angle positioner; the angle positioner comprises a retaining ring and a positioning ball mounted in the retaining ring, the positioning ball can roll in situ under the limit of the retaining ring, and the angle positioner also comprises a locking mechanism for positioning the positioning ball; the positioning ball is provided with a through hole which takes the diameter of the positioning ball as an axis in a penetrating way, a guide pipe is fixedly arranged in the through hole, the drilling assembly is movably arranged in the guide pipe, and the drilling assembly can enable the drill bit to extend out of the guide pipe through sliding in the guide pipe. In this embodiment, can confirm the direction of stand pipe through location ball and retaining ring to make the drilling subassembly just to the drilling position, only need slide the drilling subassembly along the stand pipe this moment can accurate drilling, this process can prevent that medical personnel's hand from acid swelling, can avoid the hand to rock the influence to the drilling position again.

Description

Orthopedics drilling equipment

Technical Field

The utility model relates to a drilling equipment specifically is an orthopedics drilling equipment.

Background

Through drilling holes in the skeleton and fixing the skeleton by using the rib plates, secondary damage can be effectively avoided, and the skeleton is in a good continuing state. The existing bone drilling equipment is simple in structure and easy to operate, mainly depends on personal experience of doctors, and is different from ordinary drilling in terms of position selection, drilling, depth setting and the like, and the pushing speed of a drill bit cannot be too high or too high in the bone drilling process, so that the bone drilling equipment has extremely high requirements on the use experience of the doctors. In the actual drilling process, the doctor has the phenomena of hand acid swelling, secondary drilling, irregular hole pattern and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedics drilling equipment, this drilling equipment put forth effort in the direction and fixed to the drilling subassembly, adjust the drilling direction through setting up the angular positioning ware, alleviate the hand burden through the stand pipe to realize accurate drilling, improve drilling efficiency simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: an orthopedic drilling apparatus includes a drilling assembly including a motor assembly and a drill bit driven by the motor assembly. The device also comprises a positioning mechanism, wherein the rear part of the positioning mechanism is provided with a positioning cantilever, and the front part of the positioning mechanism is provided with an angle positioner; the angle positioner comprises a retaining ring and a positioning ball mounted in the retaining ring, the positioning ball can roll in situ under the limit of the retaining ring, and the angle positioner also comprises a locking mechanism for positioning the positioning ball; the positioning ball is provided with a through hole which takes the diameter of the positioning ball as an axis in a penetrating manner, a guide pipe is fixedly arranged in the through hole, the drilling assembly is movably arranged in the guide pipe, and the drilling assembly can enable the drill bit to extend out of the guide pipe through sliding in the guide pipe.

In the technical scheme, the positioning ball provided with the guide pipe can roll in situ under the limitation of the retaining ring, the central axis of the guide pipe can be rotated in the process, and the drilling assembly is arranged in the guide pipe, so that the direction of the drill bit can be adjusted in the process; after the orientation of accomplishing drilling subassembly, can lock the location ball through locking mechanical system to make drilling subassembly be in the position of characteristic, can realize the directional drilling to the skeleton through the slip drilling subassembly this moment, the discomfort of doctor's hand can be alleviated to this process, improves drilling efficiency, avoids rocking because of the hand simultaneously and leads to the hole of driling off spec, improves the drilling quality.

Preferably, the lateral wall setting of stand pipe dodges the mouth along the length direction downwardly extending of stand pipe to at the periphery suit slip handle cover of stand pipe, through passing the connecting piece of dodging the mouth between this slip handle cover and the drilling subassembly and being connected, can drive the drilling subassembly through sliding this slip handle cover and remove. Through above-mentioned structure, can place the motor element in the stand pipe to control the drilling subassembly through holding the slip handle cover.

Preferably, the outer side surface of the sliding handle sleeve is provided with an anti-slip part to increase the hand gripping force, prevent the sliding between the sliding handle sleeve and the hand and further maintain the control precision.

Preferably, a switch is provided on the sliding sleeve, which controls the current-carrying state of the drilling assembly, and the state of the switch is directly controlled when the sliding sleeve is gripped, so that one-handed operation should be possible.

Preferably, a spring is arranged in the guide tube, the spring provides elastic force far away from the positioning ball for the drilling assembly, and the drilling assembly is located at the position farthest away from the positioning ball in the natural state, so that the drill bit is kept in the retraction state and far away from a patient, and the drill bit is prevented from influencing the direction of adjusting the positioning ball and other operations.

Preferably, the lower part of the guide pipe is a pipe head, the drill bit passes through the pipe head, and the periphery of the pipe head is provided with a conical surface, so that the outline of the part of the pipe head, which is close to the front end of the drill bit, is gradually reduced. The conical pipe head has small occupied space, has focusing function and is convenient for quickly and accurately adjusting the positioning direction.

Preferably, the location cantilever includes cantilever I that directly is connected with the frame, and this cantilever I's axis portion sets up the mounting hole, and movable mounting cantilever II in the mounting hole, and the location cantilever still includes the positioning mechanism who advances line location to cantilever II, and in actual use, can be according to the position adjustment cantilever I's of treatment length, and need not to remove the frame.

Preferably, the locking mechanism comprises a connecting ring arranged on the periphery of the retaining ring, two studs are respectively arranged at two ends of the connecting ring, and the central axis of the two studs passes through the diameter of the retaining ring; the screw holes are symmetrically formed in the two sides of the retaining ring, the studs are installed in the screw holes, and the studs can tightly push the outer wall of the positioning ball by pulling the connecting ring, so that the positioning ball is locked. Can control two double-screw bolts simultaneously through pulling the go-between, easy operation, and under the effect of two double-screw bolts, two double-screw bolts are close to simultaneously or keep away from the location ball, compare with single double-screw bolt location, and this displacement that can reduce the screw bolt, promptly, the short distance pulls the go-between and can realize the quick unblock and the location to the location ball.

Preferably, the drilling assembly in the device is connected with an external power supply through a power line, the device is further provided with a ram, and the power line is arranged on the ram in a line mode, so that the power line is not in contact with the angle positioner, and the power line is prevented from influencing the drilling process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic plan view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an embodiment of the present invention.

Fig. 3 is a schematic structural view of the positioner in the structure shown in fig. 2.

Fig. 4 is a schematic view showing the structure of the drill mounted in the guide tube in the structure of fig. 2.

In the figure, a guide tube 1, a positioning ball 2, a retaining ring 3, a locking mechanism 4, a tube head 5, a sliding handle sleeve 6, an antiskid part 7, an escape opening 8, a power line 9, a cantilever I10, a cantilever II11, a positioning bolt 12, a frame 13, a ram 14, a screw hole 15, a stud 16, a limit head 17, a waist blocking line 18, a spring 19, a drilling assembly 20, a positioning sleeve 21, a connecting screw 22, a switch 23 and a drill bit 24.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Fig. 1-4 illustrate an embodiment of the present invention, an orthopedic drilling device. The orthopaedic drilling apparatus comprises a drilling assembly 20 comprising a motor assembly and a drill bit 24 driven by the motor assembly. The device also comprises a positioning cantilever connected with the frame 13 and an angle positioner for positioning the front part of the cantilever; the angle positioner comprises a retaining ring 3 and a positioning ball 2 mounted in the retaining ring 3, and the surface of the positioning ball 2 is provided with a friction texture. The positioning ball 2 can roll in situ under the limit of the retaining ring 3, and the angle positioner also comprises a locking mechanism 4 for positioning the positioning ball 2; in addition, a through hole with the diameter of the positioning ball as the axis is arranged on the positioning ball 2 in a penetrating mode, the guide pipe 1 is fixedly installed in the through hole, the positioning sleeve 21 is fixedly installed in the upper half portion of the guide pipe 1, the drilling assembly 20 is movably installed in the positioning sleeve 21, the drilling assembly 20 can enable the drill bit 24 to extend out of the guide pipe 1 through sliding in the guide pipe 1, the upper portion of the drilling assembly 20 is provided with a jack and is connected with an external power supply through a power line 9, and the power line 9 is erected on the cantilever 14 and enables the power line 9 not to contact with the angle positioner.

Specifically, the side wall of the guide pipe 1 (and the positioning sleeve 21) is provided with an avoiding opening 8 extending downwards along the length direction of the guide pipe 1, the sliding handle sleeve 6 is sleeved on the periphery of the guide pipe 1, the outer side surface of the sliding handle sleeve 6 is provided with an anti-skidding part 7, the sliding handle sleeve 6 is connected with the drilling assembly 20 through a connecting piece penetrating through the avoiding opening 8, and the drilling assembly 20 can be driven to move by sliding the sliding handle sleeve 6. And as shown in fig. 4, the switch 23 provided on the sliding sleeve 6 can be directly controlled when gripping the sliding sleeve 6, so as to activate the drilling assembly 20 and achieve the purpose of hands-free or power-off.

In addition, a spring 19 is arranged in the guide tube 1, the lower end of the spring 19 is abutted against the tube mouth 5 at the lower part of the guide tube 1, the upper part of the spring is abutted against the waist blocking line 18 arranged at the periphery of the drilling assembly 20, and the spring provides elastic force far away from the positioning ball 2 for the drilling assembly 20, so that the drilling assembly 20 is in the position farthest away from the positioning ball 2 in the natural state, the drill bit 24 is kept in the retraction state and is far away from a patient, and the drill bit 24 is prevented from influencing the orientation of the positioning ball and other operations. As shown in fig. 2, the periphery of the nozzle head 5 is provided with a conical surface, so that the profile of the nozzle head 5 near the front end of the drill bit 24 is gradually reduced, which facilitates the drill bit 24 to be aligned with the drilling position quickly and accurately, thereby achieving the purpose of quickly and accurately adjusting the positioning direction.

This orthopedics drilling equipment needs to install and uses in frame 13, this frame can make portable frame, also can be fixed frame, for making drilling equipment have better suitability, the used location cantilever of this embodiment is telescopic rod structure, including cantilever I10 directly be connected with frame 13, the axis portion of this cantilever I10 sets up the mounting hole, movable mounting cantilever II11 in the mounting hole, and the location cantilever still includes the positioning bolt 12 that advances line location to cantilever II11, in actual use, can be according to the position adjustment cantilever I10's of treatment length, and need not to move frame 13.

As shown in fig. 4, the locking mechanism used in the present embodiment includes a coupling ring disposed on the periphery of the retainer ring 3, one stud 16 is disposed at each end of the coupling ring, and the central axis line of the two studs 16 passes through the diameter of the retainer ring 3; the bolt 16 is tightly pressed against the outer wall of the positioning ball 2 by pulling the connecting ring, so that the positioning ball 2 is locked, and particularly, when the connecting ring is in a horizontal position, the positioning ball 2 is locked. Two studs 16 can be simultaneously controlled by pulling the connecting ring, the operation is simple, and under the action of the two studs 16, the two studs are simultaneously close to or far away from the positioning ball 2, compared with the positioning of a single stud 16, the moving distance of the studs can be shortened, namely, the quick unlocking and positioning of the positioning ball 2 can be realized by pulling the connecting ring in a short distance. In addition, a limiting head 17 is arranged on the periphery of the retaining ring 3, and when the connecting ring is in a horizontal position, the connecting ring is clamped on the limiting head 17, so that the connecting ring is prevented from slipping, and the locking reliability of the locking mechanism 4 is ensured.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An orthopedics drilling equipment, includes the drilling subassembly, this drilling subassembly includes motor element and by motor element driven drill bit, its characterized in that: the device also comprises a positioning mechanism, wherein the rear part of the positioning mechanism is provided with a positioning cantilever, and the front part of the positioning mechanism is provided with an angle positioner; the angle positioner comprises a retaining ring and a positioning ball mounted in the retaining ring, the positioning ball can roll in situ under the limit of the retaining ring, and the angle positioner also comprises a locking mechanism for positioning the positioning ball; the positioning ball is provided with a through hole which takes the diameter of the positioning ball as an axis in a penetrating manner, a guide pipe is fixedly arranged in the through hole, the drilling assembly is movably arranged in the guide pipe, and the drilling assembly can enable the drill bit to extend out of the guide pipe through sliding in the guide pipe.

2. An orthopedic drilling apparatus as in claim 1, wherein: the lateral wall of stand pipe sets up dodges the mouth along the length direction downwardly extending of stand pipe to at the periphery suit slip handle cover of stand pipe, this slip handle cover is connected through passing the connecting piece of dodging the mouth between this and the drilling subassembly, can drive the drilling subassembly through sliding this slip handle cover and remove.

3. An orthopedic drilling apparatus as in claim 2, wherein: the outer side surface of the sliding handle sleeve is provided with an anti-skid part.

4. An orthopedic drilling apparatus as in claim 2, wherein: a switch is arranged on the sliding handle sleeve and controls the power-on state of the drilling assembly.

5. An orthopedic drilling apparatus as in claim 2, wherein: a spring is disposed in the guide tube and provides a spring force to the drill assembly away from the detent ball and to cause the drill assembly to naturally assume a position furthest from the detent ball.

6. An orthopedic drilling apparatus as in claim 2, wherein: the lower part of the guide pipe is a pipe head, the drill bit penetrates through the pipe head, and the periphery of the pipe head is provided with a conical surface, so that the outline of the part of the pipe head, which is close to the front end of the drill bit, is gradually reduced.

7. An orthopedic drilling apparatus as in claim 1, wherein: the positioning cantilever comprises a cantilever I directly connected with the rack, a mounting hole is formed in the axis part of the cantilever I, a cantilever II is movably mounted in the mounting hole, and the positioning cantilever further comprises a positioning mechanism for positioning the cantilever II.

8. An orthopedic drilling apparatus as in claim 1, wherein: the locking mechanism comprises a connecting ring arranged on the periphery of the retaining ring, two studs are arranged at two ends of the connecting ring respectively, and the central axis lines of the two studs pass through the diameter of the retaining ring; the screw holes are symmetrically formed in the two sides of the retaining ring, the studs are installed in the screw holes, and the studs can tightly push the outer wall of the positioning ball by pulling the connecting ring, so that the positioning ball is locked.

9. An orthopedic drilling device as claimed in any of claims 1 to 8, wherein: the drilling assembly in the device is connected with an external power supply through a power line, the device is further provided with a ram, and the power line is arranged on the ram in a line mode and is not in contact with the angle positioner.