CN210472223U

CN210472223U - Orthopedic drilling guide device

Info

Publication number: CN210472223U
Application number: CN201920448983.3U
Authority: CN
Inventors: 张磊; 贾文利; 魏宏芮; 何春颖; 王萍; 熊鹿静
Original assignee: Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
Current assignee: Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-05-08
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to an orthopedics medical treatment technical field specifically is an orthopedics drilling guider, including drilling rifle and position sleeve, the drilling rifle includes driving handle and operation pipe, the transmission shaft is worn to be equipped with by the operation intraductal device, the end of transmission shaft is connected with the interior drive end of driving handle, the operation drilling rod is installed on the top of transmission shaft, the operation drilling rod is connected through the closure axle sleeve with the transmission shaft, the position sleeve includes the centre gripping cover and links up the sleeve, the centre gripping cover is provided with the twice and is located upper and lower both sides respectively, the centre gripping cover is connected through the loose axle between with linking the sleeve, it is provided with the sliding sleeve to link up the interior section of thick bamboo wall of sleeve, the operation pipe is worn to locate in linking the sleeve and is swing joint. During this application operation, use fixture fixed and form a transmission whole with drilling rifle with patient's limbs, guarantee the stability of operation.

Description

Orthopedic drilling guide device

Technical Field

The utility model relates to an orthopedics medical treatment technical field specifically is an orthopedics drilling guider.

Background

The fracture is a common disease in orthopedic clinical treatment, particularly the fracture of limbs of a human body is easy to occur when the limbs of the human body are accidentally injured, and when the fracture injury is treated, the bone at the fracture part is usually drilled and fixed by using a steel plate or a screw after the bone at the fracture part is reset. In the prior orthopedic drilling operation, the supporting device for positioning and guiding is lacked in the operation, the force and the angle are not well controlled during drilling, the drilling angle is not accurate, the operation treatment effect of a fracture patient is influenced, and the work difficulty of medical staff is greatly increased.

Chinese patent (grant No. CN205758656U) discloses a novel orthopedic drilling guide device, which is used for orthopedic surgery drilling operation, but its actual operation has obvious technical defects, when performing orthopedic drilling, the limb of the patient cannot be kept consistent with the operation device, and the stability of the operation cannot be guaranteed, so that it cannot be applied to actual orthopedic medical treatment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedics drilling guider to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an orthopedics drilling guider, includes drilling rifle and position sleeve, the drilling rifle includes driving handle and operation pipe, the transmission shaft is worn to be equipped with by the operation intraductal setting, the end of transmission shaft is connected with the interior drive end of driving handle, the operation drilling rod is installed on the top of transmission shaft, the operation drilling rod is connected through the closure axle sleeve with the transmission shaft, the position sleeve includes centre gripping cover and linking sleeve, the centre gripping cover is provided with twice and is located upper and lower both sides respectively, be connected through the loose axle between centre gripping cover and the linking sleeve, it is provided with the sliding sleeve to link up the interior section of thick bamboo wall of sleeve, the operation pipe is worn to locate in the linking sleeve and is swing joint through sliding sleeve and linking sleeve, the drill bit of operation drilling rod end is located linking.

As a further aspect of the present invention: the outer sleeve wall of the positioning sleeve is provided with locking buckles, and the locking buckles on the positioning sleeves on the upper side and the lower side are connected through locking belts.

As a further aspect of the present invention: the bottom of drive handle inner chamber is provided with driving motor, driving shaft is installed to driving motor's drive end, the transmission helical gear is installed on the top of drive shaft, the buckle is installed to driving handle's outer wall, the buckle is movable mounting with driving handle, the rear side of buckle is connected with the transmission push rod, the transmission push rod is located the drive handle inner chamber, install drive gear on the transmission push rod, driven helical gear is installed to the rod end of transmission push rod, transmission helical gear meshes with driven helical gear mutually, driven gear is installed to the rear end of transmission shaft, driven gear meshes with drive gear mutually.

As a further aspect of the present invention: the inner cavity of the driving handle is provided with a limiting groove, and the transmission push rod penetrates through the limiting groove.

As a further aspect of the present invention: the driving handle is characterized in that a fixing plate is arranged in the inner cavity of the driving handle, and a return spring is arranged between the pinch plate and the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

when the device is used for operation, the limb of a patient is fixed by using the locating sleeve and forms a transmission whole with the drilling gun; the stability of operation is guaranteed to guarantee the accuracy of drilling angle. The whole device has exquisite modeling and convenient and quick operation, and can be suitable for orthopedic operation at each part.

The mechanism drives the transmission shaft to move through the indirect gear transmission mechanism, when the drilling action is finished, the connection with a power source can be cut off at once, the precision of the drilling operation is guaranteed, and meanwhile, the influence of vibration generated during the operation of the driving motor on the transmission shaft is small, so that the stability of the operation is further improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the transmission of the driving handle of the present invention.

Fig. 3 is a schematic structural view of the middle clamping sleeve of the present invention.

In the figure: 1-drilling gun, 11-driving handle, 12-operation pipe, 13-transmission shaft, 14-locking shaft sleeve, 15-operation drill rod, 16-driven gear, 2-positioning sleeve, 21-connecting sleeve, 22-clamping sleeve, 23-movable shaft, 24-locking buckle, 25-locking belt, 26-sliding sleeve, 31-driving motor, 32-driving rotating shaft, 33-transmission helical gear, 41-buckle plate, 42-transmission push rod, 43-transmission gear, 44-driven helical gear, 45-limiting groove, 46-fixing plate and 47-reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 3, an orthopedic drilling guide device comprises a drilling gun 1 and a positioning sleeve 2, wherein the drilling gun 1 comprises a driving handle 11 and an operation tube 12, a transmission shaft 13 penetrates through the operation tube 12, the tail end of the transmission shaft 13 is connected with the driving end in the driving handle 11, the transmission shaft 13 is a driving shaft for drilling operation, an operation drill rod 15 is installed at the top end of the transmission shaft 13, the operation drill rod 15 is used for drilling operation, and the operation drill rod 15 is connected with the transmission shaft 13 through a locking shaft sleeve 14 to ensure the stability of shaft connection.

The positioning sleeve 2 comprises a clamping sleeve 22 and a connecting sleeve 21, the clamping sleeve 22 is provided with two channels and is respectively positioned at the upper side and the lower side, the clamping sleeve 22 is connected with the connecting sleeve 21 through a movable shaft 23, a sliding sleeve 26 is arranged on the inner wall of the connecting sleeve 21, the operation pipe 12 penetrates through the connecting sleeve 21 and is movably connected with the connecting sleeve 21 through the sliding sleeve 26, and a drill bit at the end of the operation drill rod 15 is positioned at a sleeve opening of the connecting sleeve 21. The outer sleeve wall of the positioning sleeve 2 is provided with locking buckles 24, and the locking buckles 24 on the positioning sleeve 2 at the upper side and the lower side are connected through locking belts 25.

During operation, the limb of the patient is fixed by the clamping sleeve 22, the clamping sleeve 22 is fixedly locked by the locking belt 25, an operator holds the driving handle 11 by hand to drive the operation drill rod 15 to perform drilling operation, the operation pipe 12 is sleeved in the connecting sleeve 21 to limit the operation direction, and the limb of the patient fixed by the clamping sleeve 22 and the drilling gun 1 are ensured to form a transmission whole; the stability of operation is guaranteed to guarantee the accuracy of drilling angle. The whole device has exquisite modeling and convenient and quick operation, and can be suitable for orthopedic operation at each part.

Example two:

referring to fig. 1 and fig. 2, this embodiment is further optimized as an embodiment, on the basis of which a driving motor 31 is disposed at the bottom of an inner cavity of the driving handle 11, a driving rotating shaft 32 is mounted at a driving end of the driving motor 31, a transmission helical gear 33 is mounted at a top end of the driving rotating shaft 32, a buckle plate 41 is mounted on an outer wall of the driving handle 11, the buckle plate 41 and the driving handle 11 are movably mounted, a transmission push rod 42 is connected to a rear side of the buckle plate 41, the transmission push rod 42 is located in the inner cavity of the driving handle 11, a transmission gear 43 is mounted on the transmission push rod 42, a driven helical gear 44 is mounted at a rod end of the transmission push rod 42, the transmission helical gear 33 is engaged with the driven helical gear 44, a driven gear 16 is mounted at a rear end of the transmission shaft 13. The inner cavity of the driving handle 11 is provided with a limiting groove 45, and the transmission push rod 42 penetrates through the limiting groove 45. The driving handle 11 is provided with a fixing plate 46 in the inner cavity, and a return spring 47 is arranged between the pinch plate 41 and the fixing plate 46.

In order to further guarantee the stability of the operation of the device, the device is different from the prior driving technology, and an indirect transmission mechanism is adopted; when the operation is started, the driving motor 31 drives the transmission helical gear 33 to move through the driving rotating shaft 32, when the drilling operation is performed, a person holds the driving handle 11 by hand, the buckle plate 41 is buckled, the buckle plate 41 pushes the transmission push rod 42 to move backwards, the transmission push rod 42 moves backwards, so that the transmission helical gear 33 is meshed with the driven helical gear 44, the driven gear 16 is meshed with the transmission gear 43, then the transmission helical gear 33 drives the driven helical gear 44 to move, the transmission push rod 42 is driven to rotate, the transmission push rod 42 drives the transmission gear 43 to rotate, the driven gear 16 is driven to rotate through gear meshing, and then the transmission shaft 13 is driven to move; thereby performing a drilling operation; when a person immediately loosens the pinch plate 41, the reset spring 47 pushes the pinch plate 41 to pop up, the transmission push rod 42 is driven to move forwards, the transmission helical gear 33 is separated from the driven helical gear 44, the driven gear 16 is also separated from the transmission gear 43, the connection with a power source is immediately cut off, and the precision of drilling operation is guaranteed; the mechanism drives the transmission shaft 13 to move through an indirect gear transmission mechanism, and the influence of vibration generated during operation of the driving motor 31 on the transmission shaft is small, so that the stability of operation is further improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The orthopedic drilling guide device is characterized by comprising a drilling gun (1) and a positioning sleeve (2), wherein the drilling gun (1) comprises a driving handle (11) and an operation pipe (12), a transmission shaft (13) penetrates through the inside of the operation pipe (12), the tail end of the transmission shaft (13) is connected with the inner driving end of the driving handle (11), an operation drill rod (15) is installed at the top end of the transmission shaft (13), the operation drill rod (15) is connected with the transmission shaft (13) through a locking shaft sleeve (14), the positioning sleeve (2) comprises a clamping sleeve (22) and a linking sleeve (21), the clamping sleeve (22) is provided with two channels and is respectively positioned at the upper side and the lower side, the clamping sleeve (22) is connected with the linking sleeve (21) through a movable shaft (23), and a sliding sleeve (26) is arranged on the inner wall of the linking sleeve (21), the operation pipe (12) penetrates through the connection sleeve (21) and is movably connected with the connection sleeve (21) through a sliding sleeve (26), and a drill bit at the rod end of the operation drill rod (15) is located at a cylinder opening of the connection sleeve (21).

2. The orthopedic drill guide device according to claim 1, characterized in that the outer sleeve wall of the positioning sleeve (2) is provided with locking buckles (24), and the locking buckles (24) on the upper and lower sides of the positioning sleeve (2) are connected through locking belts (25).

3. The orthopedic drilling guide device according to claim 1 or 2, characterized in that a driving motor (31) is arranged at the bottom of the inner cavity of the driving handle (11), a driving rotating shaft (32) is installed at the driving end of the driving motor (31), a transmission helical gear (33) is installed at the top end of the driving rotating shaft (32), a buckle plate (41) is installed on the outer wall of the driving handle (11), the buckle plate (41) and the driving handle (11) are movably installed, a transmission push rod (42) is connected to the rear side of the buckle plate (41), the transmission push rod (42) is located in the inner cavity of the driving handle (11), a transmission gear (43) is installed on the transmission push rod (42), a driven helical gear (44) is installed at the rod end of the transmission push rod (42), the transmission helical gear (33) is engaged with the driven helical gear (44), and a driven gear (16) is installed at the rear end of, the driven gear (16) is meshed with the transmission gear (43).

4. The orthopedic drill guide device according to claim 3, characterized in that the inner cavity of the driving handle (11) is provided with a limiting groove (45), and the transmission push rod (42) is arranged in the limiting groove (45) in a penetrating way.

5. The orthopedic drill guide device according to claim 4, characterized in that the driving handle (11) is provided with a fixing plate (46) at the inner cavity, and a return spring (47) is arranged between the pinch plate (41) and the fixing plate (46).