CN218784441U

CN218784441U - Retractor for orthopedic surgery

Info

Publication number: CN218784441U
Application number: CN202222129081.8U
Authority: CN
Inventors: 赵星宇
Original assignee: China Medical University
Current assignee: China Medical University
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-04-04
Anticipated expiration: 2032-08-12

Abstract

The utility model provides an orthopedic surgery drag hook belongs to orthopedic surgery instrument technical field, and this orthopedic surgery drag hook has the body, the bottom of body is provided with the telescopic diaphragm, the diaphragm includes the limiting plate of two different lengths, the cross-section of limiting plate is L shape, a plurality of spacing grooves have been seted up to the equidistance on the xarm of limiting plate, the inside gomphosis of spacing groove is connected with the stationary blade, the both ends of diaphragm are connected with the riser respectively through first fixed connection mechanism, be provided with telescopic machanism on the riser, the top of riser is passed through second fixed connection mechanism and is linked to each other with the drag hook, and this orthopedic surgery drag hook struts apart from adjustable, and height-adjustable, can adapt to different operation environment in a flexible way, and simple structure, and it is comparatively convenient to install and use, can effectively reduce medical personnel's working strength, improves operation efficiency.

Description

Retractor for orthopedic surgery

Technical Field

The utility model belongs to the technical field of the orthopedic surgery instrument, particularly, relate to an orthopedic surgery drag hook.

Background

Orthopedic medical equipment generally refers to surgical tools specially used for orthopedic surgery, and is mainly divided into orthopedic knives, scissors, clamps, hooks, needles, scrapers, cones, drills, saws, chisels, files, shovels and the like according to the use purpose; wherein, the orthopedic hook is a draw hook used for protecting tissues and avoiding accidental injury in the process of orthopedic surgery, or used for stripping, retracting or shielding nerve roots and the like; the head part is provided with a hook head, and commonly comprises a bone hook, a unilateral vertebral plate hook, a lower limb truncation hook, a meniscus hook, a hip joint hook, a knee joint hook, a spinal surgery nerve hook and the like.

In the operation process of joint replacement or diaphysis fracture, particularly in minimally invasive operation, the opening in the operation is often very small, and at the moment, a drag hook is needed to be used for opening the operation so as to expose a focus and expose the visual field, so that the operation is easy to carry out; the existing draw hook is labor-consuming to use, and often requires multiple medical care personnel to manually control the whole process of different positions in the process of the bone surgery, so that the labor cost is increased during the surgery, and the working strength of the medical care personnel is also increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an orthopedic surgery retractor, it is strong to have the flexibility, convenient to use's characteristics can reduce medical personnel's working strength, improves operation efficiency.

The utility model discloses a realize like this:

the utility model provides an orthopedic surgery drag hook, wherein, the body has, the bottom of body is provided with the telescopic diaphragm, the diaphragm includes the limiting plate of two different length, the cross-section of limiting plate is L shape, a plurality of spacing grooves have been seted up to the equidistance on the xarm of limiting plate, spacing inslot portion gomphosis is connected with the stationary blade, the both ends of diaphragm are connected with the riser respectively through first fixed connection mechanism, be provided with the telescopic machanism that is used for height-adjusting on the riser, the top of riser links to each other with the drag hook through second fixed connection mechanism.

The utility model provides a pair of bone surgery drag hook's technological effect as follows: by arranging the telescopic transverse plate, the distance between the two drag hooks arranged at the two ends of the transverse plate can be flexibly adjusted, so that the flexibility of the surgical drag hook is improved; by arranging the limiting plates with different lengths, the length adjusting structure can be positioned on one side of the transverse plate, so that the length adjusting structure is prevented from being shielded by the limbs of a patient when in use, and the adjusting operation is further influenced; the vertical plate with the telescopic mechanism is arranged, so that the height of the draw hook arranged at the top of the vertical plate can be adjusted, and the applicability of the surgical draw hook is improved; the drag hooks are connected with the vertical plate through the fixed connecting mechanism, so that the distance between the drag hooks can be kept stable, the operation visual field can be better exposed, the stability of the distraction effect is ensured, and the smooth operation is facilitated; through setting up detachable diaphragm, riser and drag hook, have simple structure, assemble convenient characteristics, the operation of accomodating before being convenient for disinfection before the art and postoperative.

On the basis of the technical scheme, the utility model discloses an orthopedic surgery drag hook can also be as follows the improvement:

the vertical plate comprises a first connecting plate and a second connecting plate, the second connecting plate is arranged inside the first connecting plate and is in sliding connection with the first connecting plate, a plurality of limiting holes are formed in the side wall of the second connecting plate, limiting pins are arranged in the limiting holes, and the telescopic mechanism comprises the limiting holes and the limiting pins.

The beneficial effect who adopts above-mentioned improvement scheme does: through the arrangement, the length of the vertical plate can be flexibly adjusted, and the adjustable vertical plate has the characteristics of simple structure and convenience in adjustment.

The first fixed connecting mechanism comprises a first connecting groove formed in the bottom of the first connecting plate, the shape of the first connecting groove is matched with the end portion of the transverse plate, and two ends of the transverse plate are respectively connected to the inside of the first connecting groove in an embedded mode.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up fixed diaphragm of gomphosis coupling mechanism and riser, simple structure, the excellent in connection effect, installation and dismantlement operation when just using are comparatively convenient.

The second fixed connection mechanism comprises a second connection groove formed in the side wall of the second connection plate and a fixed hole formed in the top of the second connection plate, and a fixed pin is arranged in the fixed hole.

The beneficial effect who adopts above-mentioned improvement scheme does: through the arrangement, the drag hook can be stably fixed on the vertical plate, and the installation and disassembly operation during use are convenient and fast.

The draw hook comprises a hook head, a hook neck and a hook handle, wherein the hook handle is far away from one end of the hook neck, a connecting hole is formed in the end, provided with the connecting hole, of the hook handle, and the hook handle is connected to the inside of the second connecting groove in an embedded mode.

And scale marks are arranged on the side wall of the transverse plate.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up the scale sign, can be convenient for according to limiting plate adjustment distance judges the distraction distance between the drag hook fast, avoid strutting excessively, damage muscle or tissue, improve the security performance.

Wherein, the edge of drag hook is the arc.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up the edge and being curved drag hook, avoid having sharp-pointed part to cut muscle or ligament, security when improving the use.

Wherein the thickness of the draw hook is 1-5 mm.

Further, the number of the fixing pins is one.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up a fixed pin, can make the drag hook have certain rotation degree, be convenient for adjust in the art.

Wherein, the body is made of stainless steel material.

Compared with the prior art, the utility model provides a pair of bone surgery drag hook's beneficial effect is: by arranging the limiting plate with adjustable length, the distance between the two drag hooks arranged at the two ends of the device can be adjusted, the stability of the expanding effect is ensured, the smooth operation of the operation is convenient, the operation of manually pulling the drag hooks by medical personnel in the operation process is omitted, the working intensity is reduced, and the working efficiency is improved; by arranging the detachable transverse plate, the detachable vertical plate and the detachable drag hook, the structure is simple, the assembly is convenient, and the operation of preoperative disinfection and postoperative storage is convenient; the vertical plate with adjustable height is arranged, so that the vertical position of the drag hook can be adjusted, and the applicability is enhanced; through setting up the scale sign, can be convenient for medical personnel judge the drag hook fast and operate open-ended tractive distance to the patient, avoid strutting excessively, damage muscle or tissue, the security performance when having improved the use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of an orthopedic surgical retractor;

FIG. 2 is a schematic view of the transverse plate of the retractor for orthopedic surgery;

FIG. 3 is a schematic view of a vertical plate of the retractor for orthopedic surgery;

FIG. 4 is a schematic view of a retractor of the retractor for orthopedic surgery;

in the drawings, the components represented by the respective reference numerals are listed below:

10. a body; 20. a transverse plate; 21. a limiting plate; 211. a limiting groove; 212. a fixing sheet; 22. scale marks; 30. a vertical plate; 31. a first connecting plate; 311. a first connecting groove; 32. a second connecting plate; 321. a limiting hole; 322. a limit pin; 323. a second connecting groove; 324. a fixing hole; 325. a fixing pin; 40. pulling a hook; 41. a hook head; 42. hooking a neck; 43. a hook handle; 431. and connecting the holes.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, 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.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-2, be a pair of the utility model provides a first embodiment of orthopedic surgery drag hook, in this embodiment, body 10 has, the bottom of body 10 is provided with telescopic diaphragm 20, diaphragm 20 includes the limiting plate 21 of two different lengths, the cross-section of limiting plate 21 is L shape, a plurality of spacing grooves 211 have been seted up to the equidistance on the xarm of limiting plate 21, the inside gomphosis of spacing groove 211 is connected with stationary blade 212, the both ends of diaphragm 20 are connected with riser 30 respectively through first fixed connection mechanism, be provided with the telescopic machanism that is used for height-adjusting on the riser 30, the top of riser 30 passes through second fixed connection mechanism and links to each other with drag hook 40.

When the medical operation table is used, the medical staff places the transverse plate 20 above the operation table, aligns two ends of the transverse plate 20 with the first connecting grooves 311 arranged at the bottoms of the vertical plates 30 respectively, applies a certain force to enable the end parts of the transverse plate 20 to be embedded into the first connecting grooves 311, and then completes the fixed connection between the transverse plate 20 and the vertical plates 30; then the end of the hook handle 43 of the drag hook 40 is inserted into the second connecting groove 323 arranged at the top of the second connecting plate 32, the connecting hole 431 is aligned with the fixing hole 324, and finally the fixing pin 325 is inserted into the aligned connecting hole 431 and fixing hole 324, thus completing the fixed connection between the vertical plate 30 and the drag hook 40; finally, the hook heads 41 and the hook necks 42 of the two hooks 40 are placed at the surgical opening, the two limiting plates 21 are pulled open until the surgical opening is pulled by the hook heads 41 until the surgical field is completely exposed, and finally the fixing pieces 212 are inserted into the limiting grooves 211, so that the transverse plate 20 keeps the set length.

As shown in fig. 3, in the above technical solution, the riser 30 includes a first connecting plate 31 and a second connecting plate 32, the second connecting plate 32 is disposed inside the first connecting plate 31, the second connecting plate 32 is slidably connected to the first connecting plate 31, a plurality of limiting holes 321 are disposed on a side wall of the second connecting plate 32, limiting pins 322 are disposed in the limiting holes 321, and the telescopic mechanism includes the limiting holes 321 and the limiting pins 322.

During the use, medical personnel will pull up second connecting plate 32 earlier according to the height of patient's operation open-ended height adjustment riser 30, and when highly suitable until second connecting plate 32, penetrate inside spacing hole 321 that is located the below on the second connecting plate 32 lateral wall with spacer pin 322, this moment the spacer pin 322 both ends outwards extend and connect with the roof of first connecting plate 31 along spacing hole 321, and riser 30 keeps the height of settlement.

In the above technical solution, the first fixing and connecting mechanism includes a first connecting groove 311 formed at the bottom of the first connecting plate 31, the shape of the first connecting groove 311 matches with the end of the transverse plate 20, and two ends of the transverse plate 20 are respectively connected to the inside of the first connecting groove 311 in an embedded manner.

In the above technical solution, the second fixed connection mechanism includes a second connection groove 323 formed on a side wall of the second connection plate 32 and a fixed hole 324 formed at a top of the second connection plate 32, and a fixed pin 325 is disposed inside the fixed hole 324.

As shown in fig. 4, in the above-mentioned technical solution, the retractor 40 includes a hook head 41, a hook neck 42 and a hook handle 43, wherein a connection hole 431 is opened at an end of the hook handle 43 away from the hook neck 42, and an end of the hook handle 43 with the connection hole 431 is connected to the inside of the second connection groove 323 in an embedded manner.

When in use, the hook handle 43 on the drag hook 40 is in a horizontal position, the end part of the hook handle 43 is fixedly connected with the second connecting plate 32, the hook head 41 and the hook neck 42 are inserted into the operation opening, and the muscle or ligament of the patient is pulled outwards; in addition, medical personnel can choose the drag hook 40 with different lengths, widths and depths according to the operation types and the actual requirements in the operation process.

In the above technical solution, the side wall of the horizontal plate 20 is provided with scale marks 22.

In the above technical solution, the edge of the draw hook 40 is arc-shaped.

In the above technical solution, the thickness of the draw hook 40 is 1 to 5mm, preferably 3mm.

Further, in the above technical solution, the number of the fixing pins 325 is one.

When in use, the medical staff inserts the hook handle 43 into the second connecting groove 323, aligns the fixing hole 324 with the connecting hole 431 in the vertical direction, and finally inserts the fixing pin 325 into the fixing hole 324 and the connecting hole 431, at this moment, the second connecting plate 32 is connected with the hook handle 43, and the hook handle 43 can be adjusted in a small-scale rotation manner along the second connecting groove 323.

Wherein, in the above technical scheme, the body 10 is made of stainless steel material.

Specifically, the utility model discloses an installation principle is: firstly, the medical staff assembles the transverse plate 20 and the vertical plate 30 together, then inserts the end part of the hook handle 43 in the drag hook 40 into the second connecting groove 323 arranged at the top of the second connecting plate 32, and assembles the drag hook 40 and the vertical plate 30 together; finally, the hook head 41 and the hook neck 42 on the hook 40 are placed inside the surgical opening, the two limiting plates 21 are pulled outwards until the hook head 41 props open the surgical opening until the surgical field of vision is completely exposed, the fixing piece 212 is inserted into the limiting groove 211, the two limiting plates 21 are fixedly connected, the transverse plate 20 keeps a set length, and at the moment, the hooks 40 at the two ends of the transverse plate 20 pull the muscle or ligament of the patient to two sides.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an orthopedic surgery drag hook, its characterized in that has body (10), the bottom of body (10) is provided with telescopic diaphragm (20), diaphragm (20) include limiting plate (21) of two different lengths, the cross-section of limiting plate (21) is L shape, a plurality of spacing grooves (211) have been seted up to the equidistance on the xarm of limiting plate (21), spacing groove (211) inside gomphosis is connected with stationary blade (212), the both ends of diaphragm (20) are connected with riser (30) respectively through first fixed connection mechanism, be provided with the telescopic machanism that is used for height-adjusting on riser (30), the top of riser (30) links to each other with drag hook (40) through second fixed connection mechanism.

2. The orthopedic surgery retractor according to claim 1 characterized in that the vertical plate (30) comprises a first connecting plate (31) and a second connecting plate (32), the second connecting plate (32) is disposed inside the first connecting plate (31), the second connecting plate (32) is slidably connected with the first connecting plate (31), a plurality of limiting holes (321) are opened on the side wall of the second connecting plate (32), limiting pins (322) are disposed in the limiting holes (321), and the telescopic mechanism comprises the limiting holes (321) and the limiting pins (322).

3. The orthopedic surgery retractor according to claim 2 characterized in that the first fixing and connecting mechanism comprises a first connecting groove (311) formed at the bottom of the first connecting plate (31), the shape of the first connecting groove (311) matches with the end of the transverse plate (20), and the two ends of the transverse plate (20) are respectively embedded and connected inside the first connecting groove (311).

4. The orthopedic retractor according to claim 3, characterized in that said second fixing connection means comprises a second connection slot (323) formed on the side wall of said second connection plate (32) and a fixing hole (324) formed on the top of said second connection plate (32), said fixing hole (324) being internally provided with a fixing pin (325).

5. The orthopedic retractor according to claim 4, characterized in that the retractor (40) comprises a hook head (41), a hook neck (42) and a hook handle (43), wherein a connecting hole (431) is formed at one end of the hook handle (43) far away from the hook neck (42), and the end of the hook handle (43) with the connecting hole (431) is connected to the inside of the second connecting groove (323) in a tabling mode.

6. The orthopedic retractor according to claim 1 characterized in that the lateral wall of the transverse plate (20) is provided with a scale mark (22).

7. The orthopedic retractor according to claim 1 characterized in that the edge of said retractor (40) is curved.

8. The orthopedic retractor according to claim 1, characterized in that the thickness of the retractor (40) is 1-5 mm.

9. An orthopedic retractor according to claim 4 characterised in that the number of said retaining pins (325) is one.

10. An orthopedic retractor according to claim 1 wherein said body (10) is formed of stainless steel.