阅读说明：本技术 一种骨科脊椎手术拉钩 (Orthopedic vertebra operation drag hook ) 是由 纪京博 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种骨科脊椎手术拉钩,涉及医疗器械技术领域,包括辅助架、拉钩本体、支撑板、第一通槽、第二通槽、挡板、柔性辅助、顶板、滑条、第一滑槽、第二滑槽、插槽、限位杆、紧固件、第一空腔、第一通孔和第二通孔,挡板和柔性辅助板底部设有柔性底板,柔性底板内部设有第二空腔。本发明通使用方便快捷,可对不同尺寸大小不同形状的创口的骨骼周围肌腱瓣开并固定,拉钩本体顶部的顶板与限位杆转动连接,当肌腱发生变形或位移时,柔性辅助板可随着肌腱进行偏转,可避免肌腱受到损伤,可增加柔性辅助板的缓冲能力,可加强柔性辅助板与肌腱的接触效果,稳定性佳,可对拉钩本体进行柔性防护,避免拉钩本体对患者肌肉造成损伤。(The invention discloses an orthopedic spine surgery retractor, which relates to the technical field of medical instruments and comprises an auxiliary frame, a retractor body, a supporting plate, a first through groove, a second through groove, a baffle, a flexible auxiliary, a top plate, a sliding strip, a first sliding groove, a second sliding groove, a slot, a limiting rod, a fastening piece, a first cavity, a first through hole and a second through hole, wherein the bottom parts of the baffle and the flexible auxiliary plate are provided with flexible bottom plates, and the interior of the flexible bottom plate is provided with the second cavity. The invention is convenient and quick to use, can open and fix tendon petals around bones of wounds with different sizes and shapes, the top plate at the top of the drag hook body is rotatably connected with the limiting rod, when the tendon is deformed or displaced, the flexible auxiliary plate can deflect along with the tendon, the tendon can be prevented from being damaged, the buffer capacity of the flexible auxiliary plate can be increased, the contact effect of the flexible auxiliary plate and the tendon can be enhanced, the stability is good, the drag hook body can be flexibly protected, and the muscle of a patient can be prevented from being damaged by the drag hook body.)

1. The utility model provides an orthopedics vertebra surgery drag hook, includes auxiliary frame (2) and a plurality of drag hook body (1), its characterized in that: the auxiliary frame (2) comprises a supporting plate (3), a plurality of first through grooves (4) and second through grooves (5) which are matched with the draw hook body (1) are formed in the surface of the supporting plate (3), the first through grooves (4) are communicated with the second through grooves (5), the draw hook body (1) comprises a baffle (6) and a flexible auxiliary plate (7), the flexible auxiliary plate (7) and the baffle (6) are arranged in parallel, the same top plate (8) is arranged at the centers of the tops of the baffle (6) and the flexible auxiliary plate (7), sliding strips (9) are symmetrically arranged on two sides of the outer wall of the top plate (8), first sliding grooves (10) which are matched with the sliding strips (9) are arranged on the outer side of the first through grooves (4) inside the supporting plate (3), second sliding grooves (11) which are matched with the sliding strips (9) are arranged on the outer side of the second through grooves (5) inside the supporting plate (3), the first sliding groove (10) is communicated with the second sliding groove (11), a slot (12) matched with the sliding strip (9) is formed in the position, above the first sliding groove (10), of the top of the supporting plate (3), the slot (12) is communicated with the first sliding groove (10), a limiting rod (13) in rotating connection is arranged at the top of the top plate (8), fastening pieces (14) are symmetrically arranged at two ends of the top of the limiting rod (13), a first cavity (15) is formed in the flexible auxiliary plate (7), a plurality of first through holes (16) are formed in one side of the outer wall of the flexible auxiliary plate (7), a plurality of second through holes (17) are formed in the other side of the outer wall of the flexible auxiliary plate (7), the first through holes (16) and the second through holes (17) are communicated with the first cavity (15), the same flexible bottom plate (18) is arranged at the bottoms of the baffle plate (6) and the flexible auxiliary plate (7), and a second cavity (19) is arranged in the flexible bottom plate (18).

2. The retractor for orthopedic spinal surgery according to claim 1, wherein: the number of the second through grooves (5) is two, and the first through grooves (4) are perpendicular to the second through grooves (5).

3. The retractor for orthopedic spinal surgery according to claim 2, wherein: the first through groove (4) is arranged between the two second through grooves (5).

4. The retractor for orthopedic spinal surgery according to claim 1, wherein: the width of the first through groove (4) is equal to that of the second through groove (5), the length of the top plate (8) is smaller than that of the first through groove (4), and the length of the limiting rod (13) is larger than that of the first through groove (4).

5. the retractor for orthopedic spinal surgery according to claim 1, wherein: the first sliding groove (10) is communicated with the first through groove (4), and the second sliding groove (11) is communicated with the second through groove (10).

6. the retractor for orthopedic spinal surgery according to claim 1, wherein: the fastening piece (14) is a pre-tightening bolt, and the limiting rod (13) is provided with a threaded hole (20) matched with the fastening piece (14).

7. the retractor for orthopedic spinal surgery according to claim 1, wherein: the utility model discloses a spacing pole, including gag lever post (13), roof (8) top be equipped with pivot (21) assorted mounting groove (22), pivot (21) outer wall is equipped with go-between (23), mounting groove (22) outer wall be equipped with go-between (23) assorted ring channel (24).

8. The retractor for orthopedic spinal surgery according to claim 1, wherein: the flexible auxiliary plate (7) and the flexible bottom plate (18) are both made of medical silica gel materials.

9. the retractor for orthopedic spinal surgery according to claim 1, wherein: the area of the upper surface of the flexible bottom plate (18) is larger than the sum of the areas of the bottoms of the baffle plate (6) and the flexible auxiliary plate (7).

Technical Field

The invention relates to the technical field of medical instruments, in particular to an orthopedic spine surgery retractor.

Background

orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods. 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. In the orthopedic vertebra reinforcing operation, a metal fastener is required to be implanted into an operation position, and when the operation is carried out, instruments such as a surgical draw hook are required to be used for opening and fixing tendon flaps around bones.

The existing orthopedic spine surgery retractor is not convenient enough to use, the retractor is not changed after being fixed, but the muscle contraction is relaxed, or the body of a patient moves, the retractor and the tendon are easy to deform, and the tendon of the patient is damaged.

Disclosure of Invention

In order to overcome the above-mentioned defects of the prior art, the embodiment of the invention provides a retractor for orthopedic spine surgery, by arranging the auxiliary frame, the first through groove, the second through groove, the top plate, the sliding strip, the slot, the limiting rod and the fastener, the use is convenient and rapid, can open and fix tendon petals around bones of wounds with different sizes and shapes, a top plate at the top of the retractor body is rotatably connected with a limiting rod, when the tendon is deformed or displaced, the flexible auxiliary plate can deflect along with the tendon, can avoid the tendon from being damaged, and by arranging the first cavity, the first through hole, the second through hole, the flexible bottom plate and the second cavity, the buffer capacity of the flexible auxiliary plate can be increased, the contact effect of the flexible auxiliary plate and the tendon can be enhanced, the stability is good, can carry out the flexible protection to the drag hook body, avoid the drag hook body to cause the damage to patient's muscle to solve the problem that proposes in the above-mentioned background art.

in order to achieve the purpose, the invention provides the following technical scheme: a retractor for orthopedic spinal surgery comprises an auxiliary frame and a plurality of retractor bodies, wherein the auxiliary frame comprises a supporting plate, the surface of the supporting plate is provided with a plurality of first through grooves and second through grooves which are matched with the retractor bodies, the first through grooves are communicated with the second through grooves, the retractor bodies comprise baffles and flexible auxiliary plates, the flexible auxiliary plates and the baffles are arranged in parallel, the centers of the tops of the baffles and the flexible auxiliary plates are provided with a same top plate, sliding strips are symmetrically arranged on two sides of the outer wall of the top plate, first sliding grooves which are matched with the sliding strips are arranged on the outer sides of the first through grooves in the supporting plate, second sliding grooves which are matched with the sliding strips are arranged on the outer sides of the second through grooves in the supporting plate, the first sliding grooves are communicated with the second sliding grooves, and inserting grooves which are matched with the sliding strips are arranged above the first sliding grooves on the top of the supporting plate, the slot is communicated with the first chute, a limiting rod which is rotatably connected is arranged at the top of the top plate, fasteners are symmetrically arranged at two ends of the top of the limiting rod, a first cavity is arranged in the flexible auxiliary plate, a plurality of first through holes are formed in one side of the outer wall of the flexible auxiliary plate, a plurality of second through holes are formed in the other side of the outer wall of the flexible auxiliary plate, the first through holes and the second through holes are communicated with the first cavity, the same flexible bottom plate is arranged at the bottoms of the baffle and the flexible auxiliary plate, and a second cavity is arranged in the flexible bottom plate.

In a preferred embodiment, two second through grooves are provided, and the first through groove and the second through groove are perpendicular to each other.

In a preferred embodiment, the first through groove is provided between two of the second through grooves.

In a preferred embodiment, the first through groove and the second through groove have the same width, the length of the top plate is smaller than the width of the first through groove, and the length of the limiting rod is larger than the width of the first through groove.

In a preferred embodiment, the first slide groove is communicated with the first through groove, and the second slide groove is communicated with the second through groove.

In a preferred embodiment, the fastening member is a pre-tightening bolt, and the limiting rod is provided with a threaded hole matched with the fastening member.

in a preferred embodiment, a rotating shaft is arranged in the center of four parts of the limiting rod, a mounting groove matched with the rotating shaft is formed in the top of the top plate, a connecting ring is arranged on the outer wall of the rotating shaft, and an annular groove matched with the connecting ring is formed in the outer wall of the mounting groove.

In a preferred embodiment, the flexible auxiliary plate and the flexible bottom plate are both made of medical silica gel materials.

in a preferred embodiment, the area of the upper surface of the flexible base plate is larger than the sum of the areas of the bottom of the baffle plate and the flexible auxiliary plate.

The invention has the technical effects and advantages that:

1. According to the invention, the auxiliary frame, the first through groove, the second through groove, the top plate, the sliding strip, the slot, the limiting rod and the fastening piece are arranged, the sliding strip is inserted into the inner side of the slot, the sliding strip enters the first through groove, the position of the pull hook body is adjusted, the pull hook body is rotated, the flexible auxiliary plate and tendon petals around bones are opened, the limiting rod is rotated, the fastening piece is screwed, the pull hook body can be fixed, then other pull hook bodies are used for opening and fixing tendon petals in the other direction, the use is convenient and rapid, the tendon petals around bones with different sizes and different shapes of wounds can be opened and fixed, the top plate at the top of the pull hook body is rotatably connected with the limiting rod, when the tendon is deformed or displaced, the flexible auxiliary plate can deflect along with the tendon, and the tendon can be prevented from being damaged;

2. According to the invention, the first cavity, the first through hole, the second through hole, the flexible bottom plate and the second cavity are arranged, the first cavity can increase the buffer capacity of the flexible auxiliary plate, the tendon is contacted with the first through hole, the tendon is extruded and sunk into the first through hole, the first through hole can enhance the contact effect of the flexible auxiliary plate and the tendon, the stability is good, the second through hole increases the air permeability, the flexible bottom plate and the second cavity can flexibly protect the draw hook body, and the muscle of a patient is prevented from being damaged by the draw hook body.

Drawings

fig. 1 is a top view of the present invention as a whole.

fig. 2 is a top sectional view of the auxiliary frame of the present invention.

Fig. 3 is a top view of another state of the invention as a whole.

Fig. 4 is a front sectional view of the retractor body of the invention.

FIG. 5 is a schematic structural view of a flexible auxiliary plate according to the present invention.

Fig. 6 is a front sectional view of the top plate of the present invention.

FIG. 7 is a front sectional view of the spacing rod of the present invention.

Fig. 8 is a front sectional view of the flexible auxiliary plate of the present invention.

The reference signs are: the retractor comprises a retractor body 1, an auxiliary frame 2, a supporting plate 3, a first through groove 4, a second through groove 5, a baffle 6, a flexible auxiliary plate 7, a top plate 8, a sliding strip 9, a first sliding groove 10, a second sliding groove 11, a slot 12, a limiting rod 13, a fastener 14, a first cavity 15, a first through hole 16, a second through hole 17, a flexible bottom plate 18, a second cavity 19, a threaded hole 20, a rotating shaft 21, a mounting groove 22, a connecting ring 23 and an annular groove 24.

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.

The retractor for the orthopedic spine surgery as shown in fig. 1-7 comprises an auxiliary frame 2 and a plurality of retractor bodies 1, wherein the auxiliary frame 2 comprises a supporting plate 3, the surface of the supporting plate 3 is provided with a plurality of first through grooves 4 and second through grooves 5 which are matched with the retractor bodies 1, the first through grooves 4 are communicated with the second through grooves 5, the retractor bodies 1 comprise baffle plates 6 and flexible auxiliary plates 7, the flexible auxiliary plates 7 are arranged in parallel with the baffle plates 6, the centers of the tops of the baffle plates 6 and the flexible auxiliary plates 7 are provided with a same top plate 8, sliding strips 9 are symmetrically arranged on two sides of the outer wall of the top plate 8, first sliding grooves 10 which are matched with the sliding strips 9 are arranged inside the supporting plate 3 and outside the first through grooves 4, second sliding grooves 11 which are matched with the sliding strips 9 are arranged inside the supporting plate 3 and outside the second through grooves 5, the first sliding groove 10 is communicated with the second sliding groove 11, a slot 12 matched with the sliding strip 9 is arranged above the first sliding groove 10 at the top of the supporting plate 3, the slot 12 is communicated with the first sliding groove 10, a limiting rod 13 in rotary connection is arranged at the top of the top plate 8, and fastening pieces 14 are symmetrically arranged at two ends of the top of the limiting rod 13;

The two second through grooves 5 are arranged, and the first through groove 4 and the second through groove 5 are perpendicular to each other, so that the activity diversity of the drag hook body 1 can be increased;

The first through groove 4 is arranged between the two second through grooves 5, and the drag hook body 1 can move between the first through groove 4 and the second through groove 5, so that the adjustment is convenient and quick;

The widths of the first through groove 4 and the second through groove 5 are equal, the length of the top plate 8 is smaller than the width of the first through groove 4, the length of the limiting rod 13 is larger than the width of the first through groove 4, the retractor body 1 is ensured to slide in the first through groove 4 and the second through groove 5, and the limiting rod 13 is positioned above the supporting plate 3, so that the retractor 1 can be prevented from falling off the supporting plate 3;

The first sliding groove 10 is communicated with the first through groove 4, and the second sliding groove 11 is communicated with the second through groove 10, so that the sliding strip 9 can slide in the first sliding groove 10 and the second sliding groove 11;

The fastening piece 14 is a pre-tightening bolt, the limiting rod 13 is provided with a threaded hole 20 matched with the fastening piece 14, the fastening piece 14 is screwed downwards, the bottom of the fastening piece 14 rotates downwards, the position of the draw hook body 1 can be fixed, and the draw hook body 1 is prevented from sliding;

The center of four parts of the limiting rod 13 is provided with a rotating shaft 21, the top of the top plate 8 is provided with a mounting groove 22 matched with the rotating shaft 21, the outer wall of the rotating shaft 21 is provided with a connecting ring 23, the outer wall of the mounting groove 22 is provided with an annular groove 24 matched with the connecting ring 23, when the limiting rod 13 rotates, the rotating shaft 21 rotates in the mounting groove 22, and the connecting ring 23 rotates in the annular groove 24.