CN215874755U

CN215874755U - Drag hook device for orthopedic surgery

Info

Publication number: CN215874755U
Application number: CN202121985602.9U
Authority: CN
Inventors: 王漪淑
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-22
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a retractor device for orthopedic surgery, which belongs to the technical field of medical instruments, wherein one end of a supporting rod is provided with a regulating hole, the inner wall of the regulating hole is connected with a left cross rod and a right cross rod through threads, one end of the left cross rod is fixedly connected with a left vertical rod, one end of the right cross rod is fixedly connected with a right vertical rod, the surfaces of the left vertical rod and the right vertical rod are respectively connected with a left retractor and a right retractor in a sliding way, the retractor device for orthopedic surgery enables the left retractor and the right retractor to have the function of regulating the surface positions of the left vertical rod and the right vertical rod through a regulating sleeve, a fixing base and a connecting block, and can also regulate the inclination angles of the left retractor and the right retractor, thereby greatly increasing the application range of the retractor device, and the space between the left vertical rod and the right vertical rod can be quickly regulated through the supporting rod, the left cross rod and the right cross rod, so as to fix the pulling positions of the left retractor and the right retractor, the use convenience of the device is greatly improved.

Description

Drag hook device for orthopedic surgery

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a retractor device for orthopedic surgery.

Background

Bone science, also known as orthopedics, is a specialty or discipline of medicine, and is used for studying the anatomy, physiology and pathology of the skeletal muscle system, maintaining and developing the normal morphology and function of the system by using drugs, surgery and physical methods, and treating injuries and diseases of the system.

At present, often need use the drag hook device to drag and pull affected part surface ligament and muscle at the orthopedic operation in-process, thereby realize the opening in operation field of vision, but current drag hook device tractive needs very labouring, the size of the used strength of doctor's grasp that can not be accurate when the tractive, cause the accidental injury easily, it is inconvenient to drive for the use, and the drag hook that current drag hook device set up is mostly fixed position and angle, can't be great to its position adjust, great application scope who has reduced the drag hook device, for this reason, we have designed a drag hook device for the orthopedic operation, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide the retractor device for the orthopedic operation, the left retractor and the right retractor have the function of adjusting the surface positions of the left vertical rod and the right vertical rod through the adjusting sleeve, the fixing base and the connecting block, the inclination angles of the left retractor and the right retractor can be adjusted, the application range of the retractor device is greatly enlarged, the distance between the left vertical rod and the right vertical rod can be quickly adjusted through the supporting rod, the left transverse rod and the right transverse rod, the pulling positions of the left retractor and the right retractor are fixed, and the use convenience of the retractor device is greatly improved.

In order to solve the above problems, the present invention adopts the following technical solutions.

A drag hook device for orthopedic surgery comprises a supporting rod, wherein one end of the supporting rod is provided with an adjusting hole, the inner wall of the adjusting hole is connected with a left cross rod and a right cross rod through threads, one end of the left cross rod is fixedly connected with a left vertical rod, one end of the right cross rod is fixedly connected with a right vertical rod, the surfaces of the left vertical rod and the right vertical rod are respectively connected with a left drag hook and a right drag hook in a sliding manner, one end of the right drag hook is fixedly connected with a connecting block, the side surface of the connecting block is fixedly connected with a shaft rod, the surface of the shaft rod is rotatably connected with a fixing seat, the side surface of the fixing seat is provided with a connecting hole, the inner wall of the connecting hole is sleeved with a fastening screw rod, one surface of the fixing seat is fixedly connected with an adjusting sleeve, one end of the adjusting sleeve is provided with a sleeve hole, the surface of the adjusting sleeve is provided with a threaded hole, and the inner wall of the threaded hole is connected with a positioning rod through threads, this drag hook device for orthopedic operation is through the adjusting collar that sets up, fixing base and connecting block for left drag hook and right drag hook have the function of adjusting at left and right montant surface position, and can also adjust the inclination of left drag hook and right drag hook, great increase the application scope of drag hook device, and bracing piece and left and right horizontal pole through setting up, interval between regulation left montant that can be quick and the right montant, thereby the position of dragging of fixed left drag hook and right drag hook, great improvement its convenience in use.

Further, the inner wall of regulation hole is seted up there is the internal thread, the surface of left side horizontal pole and right horizontal pole is seted up with regulation hole internal thread assorted external screw thread, the screw thread opposite direction of the external screw thread that left side horizontal pole and right horizontal pole surface set up, left side horizontal pole and right horizontal pole have the function of stretching out in step and indentation regulation hole when the bracing piece is rotatory, the quick interval between regulation seat montant and the right montant of convenient to use person.

Furthermore, the surface of one end of the fastening screw is connected with fastening holes through threads, the fastening holes are distributed in an annular equidistant mode, internal threads are formed in the inner wall of each fastening hole, the fastening screw is a manual screw, and the fastening holes distributed in an annular mode can be used for quickly fixing the rotating position of the right hook.

Further, the inner wall of trepanning is connected with the surface contact of right montant, the cross sectional shape of trepanning and right montant is the polygon, and polygonal right montant not only can prevent that the adjusting collar from taking place the rotation, can increase moreover with the area of contact of locating lever, improves the installation fastness of adjusting collar.

Further, the surface of locating lever offer with screw hole internal thread assorted external screw thread, the one end fixedly connected with knob of locating lever, the surface all around of knob is equipped with the antislip strip that annular equidistance distributes, and the antislip strip can prevent that the finger from skidding, and the manual rotatory knob of person of facilitating the use makes things convenient for installing and removing of locating lever.

Furthermore, the surface of the supporting rod is provided with annular anti-slip grooves distributed at equal intervals, the cross section of each anti-slip groove is semicircular, the anti-slip grooves can prevent fingers of a user from slipping, and the anti-slip device has an anti-slip function.

Further, the shaft hole has been seted up on the surface of fixing base, the inner wall in shaft hole is rotated with the surface of axostylus axostyle and is connected for have rotatory function between fixing base and the connecting block, thereby make the right side couple have the function of rotation regulation inclined position.

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is through the adjusting collar that sets up, fixing base and connecting block for left drag hook and right drag hook have the function of adjusting in left and right montant surface position, and can also adjust the inclination of left drag hook and right drag hook, great increase the application scope of drag hook device, and bracing piece and left and right horizontal pole through setting up, interval between regulation left montant that can be quick and the right montant, thereby fixed left drag hook and the position of dragging of right drag hook, great improvement its convenience in use.

(2) The inner wall in regulation hole is seted up there is the internal thread, the surface of left horizontal pole and right horizontal pole seted up with regulation hole internal thread assorted external screw thread, the screw thread opposite direction of the external screw thread that left horizontal pole and right horizontal pole surface set up, left horizontal pole and right horizontal pole have the function of stretching out in step and indentation regulation hole when the bracing piece is rotatory, the quick interval between regulation seat montant and the right montant of convenient to use person.

(3) The fastening screw is a manual screw, and the fastening holes distributed in an annular shape can quickly fix the rotating position of the right hook.

(4) The inner wall of trepanning is connected with the surface contact of right montant, and the cross sectional shape of trepanning and right montant is the polygon, and polygonal right montant not only can prevent that the adjusting collar from taking place the rotation, can increase moreover with the area of contact of locating lever, improves the installation fastness of adjusting collar.

(5) The surface of locating lever offer with screw hole internal thread assorted external screw thread, the one end fixedly connected with knob of locating lever, the surface all around of knob is equipped with the antislip strip that annular equidistance distributes, and the antislip strip can prevent that the finger from skidding, and the manual rotatory knob of person of facilitating the use makes things convenient for installing and removing of locating lever.

(6) The surface of the supporting rod is provided with annular anti-skidding grooves which are distributed at equal intervals, the cross section of each anti-skidding groove is semicircular, and the anti-skidding grooves can prevent fingers of a user from skidding and have the anti-skidding function.

(7) The shaft hole has been seted up on the surface of fixing base, and the inner wall in shaft hole is rotated with the surface of axostylus axostyle and is connected for have rotatory function between fixing base and the connecting block, thereby make the right side couple have the function of rotation regulation inclined position.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a side view of the mounting structure of the right retractor and the adjustment sleeve of the present invention;

FIG. 3 is a side view of the connecting block structure of FIG. 2;

FIG. 4 is a side view of the mounting structure of FIG. 2;

figure 5 is a cross-sectional view of a support pole of the present invention.

The reference numbers in the figures illustrate:

the novel anti-skidding device comprises a support rod 1, an adjusting hole 11, a left cross rod 12, a right cross rod 13, an anti-skidding groove 14, a left vertical rod 2, a right vertical rod 3, an adjusting sleeve 4, a sleeve hole 41, a threaded hole 42, a positioning rod 43, a knob 44, an anti-skidding strip 45, a fixing seat 5, a shaft hole 51, a connecting hole 52, a fastening screw 53, a right drag hook 6, a connecting block 61, a shaft rod 62, a fastening hole 63 and a left drag hook 7.

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a retractor device for orthopedic surgery comprises a support rod 1, referring to fig. 1-5, an adjusting hole 11 is formed at one end of the support rod 1, the inner wall of the adjusting hole 11 is connected with a left cross bar 12 and a right cross bar 13 through threads, the left cross bar 12 and the right cross bar 13 are used for fixing the pulling positions of a left retractor 7 and a right retractor 6 to both sides, so as to open the surgical field of vision, one end of the left cross bar 12 is fixedly connected with a left vertical bar 2, one end of the right cross bar 13 is fixedly connected with a right vertical bar 3, the surfaces of the left vertical bar 2 and the right vertical bar 3 are respectively connected with the left retractor 7 and the right retractor 6 in a sliding manner, the structural components of the left retractor 7 and the right retractor 6 are the same, the installation mode is the same, muscles of the affected part can be pulled to both sides, so as to facilitate medical care personnel to treat bones of the affected part, the number of the left retractor 7 and the right retractor 6 can be set according to actual needs, one end of the right drag hook 6 is fixedly connected with a connecting block 61, the side surface of the connecting block 61 is fixedly connected with a shaft lever 62, the surface of the shaft lever 62 is rotatably connected with a fixed seat 5, the fixed seat 5 and the connecting block 61 can facilitate the drag hook to adjust the inclination angle, thereby facilitating pulling muscles of affected parts with different sizes, the side surface of the fixed seat 5 is provided with a connecting hole 52, the inner wall of the connecting hole 52 is sleeved with a fastening screw 53, the fastening screw 53 is used for fixing the moving position of the adjusting sleeve 4, thereby the shift position of fixed drag hook makes things convenient for the drag hook adjustment position, avoids positions such as main blood vessel, and a fixed surface of fixing base 5 is connected with adjusting collar 4, and trepanning 41 has been seted up to adjusting collar 4's one end, and threaded hole 42 has been seted up on adjusting collar 4's surface, and threaded hole 42's inner wall has locating lever 43 through threaded connection, and locating lever 43 is manual formula, the inclination of the fixed drag hook of the person of facilitating the use.

Referring to fig. 1-5, the inner wall of the adjusting hole 11 is provided with an internal thread, the surfaces of the left cross bar 12 and the right cross bar 13 are provided with external threads matched with the internal threads of the adjusting hole 11, the thread directions of the external threads arranged on the surfaces of the left cross bar 12 and the right cross bar 13 are opposite, the left cross bar 12 and the right cross bar 13 have the function of synchronously extending out of and retracting into the adjusting hole 11 when the support bar 1 rotates, so that a user can quickly adjust the distance between the vertical bar 2 and the right vertical bar 3, one end surface of the fastening screw 53 is connected with fastening holes 63 through threads, the fastening holes 63 are distributed in an annular equidistant manner, the inner wall of the fastening holes 63 is provided with an internal thread, the fastening screw 53 is a manual screw, and the fastening holes 63 distributed in an annular manner can quickly fix the rotating position of the right hook 6.

Please refer to fig. 1 and 2, the inner wall of trepanning 41 is connected with the surface contact of right montant 3, the cross sectional shape of trepanning 41 and right montant 3 is polygon, polygonal right montant 3 not only can prevent adjusting sleeve 4 from taking place the rotation, and can increase the area of contact with locating lever 43, improve adjusting sleeve 4's installation fastness, locating lever 43's surface offer with screw hole 42 internal thread assorted external screw thread, locating lever 43's one end fixedly connected with knob 44, knob 44's surface all around is equipped with the antislip strip 45 that the annular equidistance distributes, antislip strip 45 can prevent to point and skid, the manual rotatory knob 44 of person of facilitating the use, facilitate positioning lever 43 installs and removes.

Referring to fig. 3-5, the surface of the supporting rod 1 is provided with the anti-slip grooves 14 distributed in an annular and equidistant manner, the cross-sectional shape of the anti-slip grooves 14 is semicircular, the anti-slip grooves 14 can prevent the fingers of the user from slipping, and have an anti-slip function, the surface of the fixing base 5 is provided with the shaft hole 51, and the inner wall of the shaft hole 51 is rotatably connected with the surface of the shaft rod 62, so that the fixing base 5 and the connecting block 61 have a rotating function, and the right hook 6 has a function of rotatably adjusting the inclined position.

When the retractor device for orthopedic surgery is used, the fastening screw 53 can be manually detached to adjust the inclination angle of the retractor, the positioning rod 43 can be manually unscrewed to adjust the pulling position of the retractor, the fastening screw 53 and the positioning rod 43 are screwed after adjustment is completed to fix the position of the retractor, then the supporting rod 1 is manually rotated clockwise, the supporting rod 1 rotates clockwise to enable the left cross rod 12 and the right cross rod 13 to synchronously extend out of the adjusting hole 11, the left cross rod 12 and the right cross rod 13 synchronously extend out of the adjusting hole 11 to enable the left vertical rod 2 and the right vertical rod 3 to move to the left and right, the left vertical rod 2 moves leftwards to drive the left retractor 7 to pull muscles of an affected part leftwards, the right vertical rod 3 moves rightwards to drive the right retractor 6 to pull muscles of the affected part rightwards, so that the operative part of the affected part is opened to expose bones, medical staff can conveniently perform treatment, and the supporting rod 1 can be manually rotated anticlockwise after the treatment is completed, so that the left cross bar 12 and the right cross bar 13 are synchronously retracted into the adjusting hole 11, thereby the left drag hook 7 and the right drag hook 6 are moved to the middle position, then the retractor device is separated from the muscle of the affected part after the pulling force is lost, and the retractor device is taken down and is connected with the affected part through the adjusting sleeve 4, the fixed seat 5 and the connecting block 61, so that the left drag hook 7 and the right drag hook 6 have the function of adjusting the surface positions of the left vertical rod 2 and the right vertical rod 3, but also can adjust the inclination angles of the left drag hook 7 and the right drag hook 6, greatly increases the application range of the drag hook device, and the space between the left vertical rod 2 and the right vertical rod 3 can be rapidly adjusted through the supporting rod 1, the left cross rod 12 and the right cross rod 13, thereby the position of pulling of fixed left drag hook 7 and right drag hook 6 opens the operation field of vision, need not manually to pull and causes the injury to the patient, great improvement its convenience of use and security.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a drag hook device for bone surgery, includes bracing piece (1), its characterized in that: one end of the supporting rod (1) is provided with an adjusting hole (11), the inner wall of the adjusting hole (11) is connected with a left cross rod (12) and a right cross rod (13) through threads, one end of the left cross rod (12) is fixedly connected with a left vertical rod (2), one end of the right cross rod (13) is fixedly connected with a right vertical rod (3), the surfaces of the left vertical rod (2) and the right vertical rod (3) are respectively connected with a left drag hook (7) and a right drag hook (6) in a sliding manner, one end of the right drag hook (6) is fixedly connected with a connecting block (61), the side surface of the connecting block (61) is fixedly connected with a shaft rod (62), the surface of the shaft rod (62) is rotatably connected with a fixing seat (5), the side surface of the fixing seat (5) is provided with a connecting hole (52), the inner wall of the connecting hole (52) is sleeved with a fastening screw rod (53), and one surface of the fixing seat (5) is fixedly connected with an adjusting sleeve (4), one end of the adjusting sleeve (4) is provided with a sleeve hole (41), the surface of the adjusting sleeve (4) is provided with a threaded hole (42), and the inner wall of the threaded hole (42) is connected with a positioning rod (43) through threads.

2. The retractor device for orthopedic surgery of claim 1, further comprising: the inner wall of the adjusting hole (11) is provided with an internal thread, the surfaces of the left cross rod (12) and the right cross rod (13) are provided with external threads matched with the internal thread of the adjusting hole (11), and the thread directions of the external threads arranged on the surfaces of the left cross rod (12) and the right cross rod (13) are opposite.

3. The retractor device for orthopedic surgery of claim 1, further comprising: fastening holes (63) are connected to the surface of one end of the fastening screw (53) through threads, the fastening holes (63) are distributed in an annular shape at equal intervals, and internal threads are formed in the inner wall of each fastening hole (63).

4. The retractor device for orthopedic surgery of claim 1, further comprising: the inner wall of the trepanning (41) is in contact connection with the surface of the right vertical rod (3), and the cross-sectional shapes of the trepanning (41) and the right vertical rod (3) are both polygons.

5. The retractor device for orthopedic surgery of claim 1, further comprising: the surface of locating lever (43) is seted up with screw hole (42) internal thread assorted external screw thread, the one end fixedly connected with knob (44) of locating lever (43), the surface all around of knob (44) is equipped with annular equidistance and distributes antislip strip (45).

6. The retractor device for orthopedic surgery of claim 1, further comprising: the surface of the supporting rod (1) is provided with annular anti-skidding grooves (14) which are distributed at equal intervals, and the cross section of each anti-skidding groove (14) is semicircular.

7. The retractor device for orthopedic surgery of claim 1, further comprising: the surface of the fixed seat (5) is provided with a shaft hole (51), and the inner wall of the shaft hole (51) is rotatably connected with the surface of the shaft rod (62).