CN217162178U

CN217162178U - Soft tissue retractor for maxillofacial oral surgery

Info

Publication number: CN217162178U
Application number: CN202220142212.3U
Authority: CN
Inventors: 江华娟; 陈晓琼
Original assignee: Fengdu People's Hospital
Current assignee: Fengdu People's Hospital
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-12
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a soft tissue retractor for maxillofacial oral surgery, which comprises a handle, a finger ring part fixedly connected with the handle, and a first hook strip and a second hook strip connected with the finger ring part; the first hook strip is fixedly connected with the finger ring part, and the second hook strip is movably connected with the finger ring part; the finger ring part is in a ring shape, the first hook strip and the second hook strip are both arranged on the outer wall of the finger ring part, and the second hook strip rotates along the outer wall of the finger ring part and forms an angle with the first hook strip, so that two parts of oral cavity soft tissues are pulled simultaneously. The utility model discloses a soft tissue drag hook for maxillofacial surgery operation can stereotype fast and adjust and expose the wild size of operation, simple structure, and convenient operation exposes the operation in the operation of being convenient for, practices thrift the manpower.

Description

Soft tissue retractor for maxillofacial oral surgery

Technical Field

The utility model relates to a medical surgical instrument, in particular to a soft tissue retractor for maxillofacial oral surgery.

Background

In the process of oral and maxillofacial surgery, the retractor is one of the common instruments for oral and maxillofacial surgery, is a necessary tool for ensuring the operation visual field, and has very important function. The existing retractor can be used for drawing the oral cavity soft tissue so as to facilitate the smooth operation. The operation space of the operation in the oral cavity is small, and the requirements on the structural design and the size of the draw hook are high. The existing general soft tissue retractor plays a role in exposing the surgical field, and the existing maxillofacial oral soft tissue retractor needs more than two when in operation, so that the surgical field of the deep tissue of the oral cavity is completely exposed, and then the operation is carried out. Just need many hands to pass through the drag hook pulling soft tissue respectively in order to expose the operation field during the operation to need a plurality of auxiliary personnel concurrent operation, and every auxiliary personnel use strength different, easily cause the condition that the operation field exposes inadequately or excessively oppresses the soft tissue to appear.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the not enough of soft tissue drag hook existence for oral cavity maxillofacial surgery, provide a simple structure, convenient operation exposes the operation field in the operation of being convenient for, practices thrift the manpower, can adjust the tensile soft tissue drag hook of drag hook simultaneously.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a soft tissue retractor for maxillofacial oral surgery is characterized by comprising a handle, a finger ring part fixedly connected with the handle, and a first hook strip and a second hook strip which are connected with the finger ring part; the first hook strip is fixedly connected with the finger ring part, and the second hook strip is movably connected to the finger ring part; the finger ring part is in a ring shape, the first hook strip and the second hook strip are both arranged on the outer wall of the finger ring part, and the second hook strip rotates along the outer wall of the finger ring part and forms an angle with the first hook strip, so that two parts of oral cavity soft tissues are pulled simultaneously.

Through setting up the second gib block, the angle between first gib block of operation auxiliary personnel adjustable and the second gib block makes first gib block and second gib block can be suitable entry port hook around the oral cavity soft tissue in order to expose the operation field to practiced thrift the manpower, and simple structure does not need many people to cooperate convenient operation.

Further, the finger ring part comprises a control structure which is arranged on the finger ring part and controls the second hook strip to rotate; a through groove is formed in the length direction of the outer wall of the finger ring part; the control structure comprises an arc-shaped sliding strip which is arranged in the through groove and rotates along the length direction of the through groove, and a compression spring which is arranged at one end of the sliding strip and is abutted against the end part of the sliding strip; two ends of the through groove are in a closed state on the outer wall of the ring part, two ends of the sliding strip are respectively arranged at the closed ends of two ends of the through groove, and the compression spring is arranged at the end part of one closed end; the middle part of the through groove is provided with an opening, a plurality of limiting blocks are arranged on the opening of the through groove along the length direction of the through groove wall, and a shifting fork matched with the limiting blocks is arranged on the sliding strip; the second gib block is fixedly arranged on the sliding block through a through groove opening, and the angle between the first gib block and the second gib block is limited by the aid of cooperation of the adjusting shifting fork and different limiting blocks.

Through set up a logical groove on indicating ring portion, can conveniently set up control structure wherein, the structure is exquisite. The shifting fork is shifted to drive the sliding strip to rotate in the through groove, the sliding strip can be relatively fixed in the through groove under the pressure of the compression spring and the matching of the shifting fork and the limiting block, and when the angle between the first hook strip and the second hook strip needs to be adjusted, the shifting fork can be shifted to drive the second hook strip to be adjusted. Through sealing the both ends that will lead to the groove, can set up compression spring wherein, and the sliding strip both ends are in the blind end that leads to the groove both ends all the time in the motion process, guarantee control structure's stability and normal use. Through setting up a plurality of stoppers, can realize forming a plurality of angles between first gib block and the second gib block, make things convenient for different crowds to use.

Furthermore, one end of the sliding strip, which is matched with the compression spring, is provided with a baffle plate which is propped against the compression spring. Through setting up the baffle, compression spring is more steady when compressing the slide bar.

Furthermore, a groove for embedding the shifting fork is formed in the limiting block. Through the recess that sets up the gomphosis shift fork at the stopper, prevent that the shift fork from jumping out from stopper and leading to the second gib block to become invalid and influence the operation process to make the drag hook use safelyr.

Further, a graduated scale for measuring the angle between the first hook strip and the second hook strip is arranged on the surface of the ring part. Through setting up the scale, can adjust the distance between first gib block and the second gib block according to the scale through measuring the wild size of oral cavity operation in advance, make things convenient for the operation, save time.

Furthermore, a plurality of the limiting blocks are arranged on the wall of the through groove of the opening at one end of the compression spring. A plurality of limiting blocks are arranged at one end of the compression spring, and the shifting fork is close to the compression spring, so that the sliding strip can be conveniently adjusted, and the inconvenience caused by friction in the through groove of the sliding strip is reduced.

Further, the through groove is arc-shaped and is arranged below the first hook strip. Through will leading to the groove setting in the below of first gib block, then dislocation about second gib block and the formation of first gib block, when only needing a drag hook, accessible shift fork drives the second gib block and overlaps with first gib block.

Furthermore, the second hook strip is of a telescopic structure and comprises a sleeve type connecting rod fixedly connected with the sliding strip, a hook body sleeved at the end part of the connecting rod and a tension spring for tensioning the hook body; the hook body is provided with a hook rod, the connecting rod is provided with a sleeve hole along the length direction of the connecting rod, the tension spring is arranged in the sleeve hole, and the hook rod of the hook body is sleeved in the sleeve hole and tensioned through the tension spring.

The coupler body sets up at the tip of second gib block, and the length of coupler rod is close the length of first gib block, and the coupler body is taut to the rethread extension spring to guarantee that coupler body and second gib block are comparatively stable. When only one drag hook is needed, the second hook strip and the first hook strip can be overlapped up and down, the hook body of the second hook strip is pulled open, and the hook body of the second hook strip is propped against the hook body of the first hook strip under the action of the tension spring.

Furthermore, the cross section of the trepanning and the cross section of the hook rod are both square. The sleeve hole and the hook rod are both arranged to be square, so that the hook rod can be prevented from rotating on the connecting rod relatively, the structure is simple, and the use is safe and relieved.

Furthermore, a limiting block is arranged on the outer side wall of the hook rod. The hook rod is provided with a limiting block which can prevent the hook body from being clamped on the connecting rod due to the tension of the tension spring being too tight.

The principle of the utility model is as follows:

when using the utility model discloses a when soft tissue drag hook is used in jaw and facial oral surgery, can measure earlier the distance between two points that the soft tissue in the oral cavity pulled open, drive the second gib block through the shift fork and pull open suitable distance, under compression spring's effect, then with the shift fork card on suitable stopper, the handle of handheld drag hook comes open cavity soft tissue through two drag hooks to expose the operation wild can. When only one drag hook is needed, the second hook strip is overlapped through the shifting fork and the limiting block, and meanwhile, the hook body of the second hook strip is manually pulled open, so that the hook body of the second hook strip is abutted to the hook body of the first hook strip.

The utility model discloses a soft tissue drag hook for maxillofacial surgery operation can stereotype fast and adjust and expose the wild size of operation, simple structure, and convenient operation exposes the operation in the operation of being convenient for, practices thrift the manpower.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic view of the retractor of an embodiment;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a schematic view of the structure of the embodiment of the drag hook used for pulling a single hook body;

FIG. 5 is an enlarged view at C of FIG. 4;

in the figure: 1 is a handle; 2 is a finger ring part; 3 is a first hook strip; 4 is a second hook strip; 5 is a through groove; 6 is a sliding strip; 7 is a compression spring; 8 is a limiting block; 9 is a shifting fork; 10 is a baffle plate; 11 is a graduated scale; 12 is a connecting rod; 13 is a hook body; 14 is a tension spring; 15 is a hook rod; 16 is a trepan boring; and 17 is a limiting block.

Detailed Description

The invention will be further elucidated with reference to the following non-limiting embodiment in which the drawing is combined. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Examples

As shown in fig. 1, the soft tissue retractor for the maxillofacial oral surgery comprises a handle 1, a finger ring part 2 fixedly connected with the handle 1, and a first hook strip 3 and a second hook strip 4 connected with the finger ring part 2; the first hook strip 3 is fixedly connected with the finger ring part 2, and the second hook strip 4 is movably connected on the finger ring part 2; the ring part 2 is in a ring shape, the first hook strip 3 and the second hook strip 4 are both arranged on the outer wall of the ring part 2, and the second hook strip 4 rotates along the outer wall of the ring part 2 and forms an angle with the first hook strip 3, so that two parts of oral cavity soft tissues are pulled simultaneously.

As shown in fig. 3, the finger ring further comprises a control structure arranged on the finger ring part 2 for controlling the second hook strip 4 to rotate; a through groove 5 is formed along the length direction of the outer wall of the ring part 2; the control structure comprises an arc-shaped sliding strip 6 which is arranged in the through groove 5 and rotates along the length direction of the through groove 5, and a compression spring 7 which is arranged at one end of the sliding strip 6 and is propped against the end part of the sliding strip 6; two ends of the through groove 5 are in a closed state on the outer wall of the ring part 2, two ends of the sliding strip 6 are respectively arranged at the closed ends of two ends of the through groove 5, and the compression spring 7 is arranged at the end part of one closed end; the middle part of the through groove 5 is provided with an opening, a plurality of limit blocks 8 are arranged on the opening of the through groove 5 along the length direction of the wall of the through groove 5, and a shifting fork 9 matched with the limit blocks 8 is arranged on the sliding strip 6; the second gib block 4 is fixedly arranged on the sliding block 6 through the through groove 5, and the angle between the first gib block 3 and the second gib block 4 is limited through the matching of the adjusting shifting fork 9 and different limiting blocks 8.

One end of the sliding strip 6, which is matched with the compression spring 7, is provided with a baffle plate 10 which is propped against the compression spring 7. The limiting block 8 is provided with a groove for embedding the shifting fork 9. A graduated scale 11 for measuring the angle between the first gib 3 and the second gib 4 is arranged on the surface of the ring part 2. A plurality of limiting blocks 8 are arranged on the wall of the through groove 5 with an opening at one end of the compression spring 7. The through groove 5 is arc-shaped and is arranged below the first hook strip 3.

As shown in figures 1 and 3, when two hook strips on the draw hook are used, as shown in figure 3, under the action of a compression spring 7 and a shifting fork 9, a sliding strip 6 is shifted, the sliding strip 6 drives a second hook strip 4 to rotate, and the shifting fork 9 is abutted to a proper limiting block 8 under the action of the compression spring 7 to be used.

As shown in fig. 2, the second hook strip 4 is a telescopic structure, and includes a sleeve-type connecting rod 12 fixedly connected with the sliding strip 6, a hook 13 sleeved on an end of the connecting rod 12, and a tension spring 14 for tensioning the hook 13; the hook body 13 is provided with a hook rod 15, the connecting rod 12 is provided with a sleeve hole 16 along the length direction, the tension spring 14 is arranged in the sleeve hole 16, and the hook rod 15 of the hook body 13 is sleeved in the sleeve hole 16 and tensioned through the tension spring 14. The cross section of the trepan boring 16 and the cross section of the hook rod 15 are both square. A limiting block 17 is provided on the outer sidewall of the hook lever 15.

As shown in fig. 4 and 5, when only the first hook strip 3 on the drag hook is used, as shown in fig. 4, the second hook strip 4 and the first hook strip 3 are overlapped with each other, as shown in fig. 5, the shifting fork 9 is shifted to compress the compression spring 7, the shifting fork 9 is clamped on the proper limit block 8, and simultaneously, as shown in fig. 2, the hook body 13 of the second hook strip 4 is pulled apart and is abutted on the hook body 13 of the first hook strip 3.

In the description of the present invention, it should be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. 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 otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. A soft tissue retractor for maxillofacial oral surgery is characterized by comprising a handle (1), a finger ring part (2) fixedly connected with the handle (1), and a first hook strip (3) and a second hook strip (4) connected with the finger ring part (2); the first hook strip (3) is fixedly connected with the finger ring part (2), and the second hook strip (4) is movably connected to the finger ring part (2); indicate ring portion (2) to be the ring shape, first gib (3) and second gib (4) all set up on the outer wall that indicates ring portion (2), second gib (4) rotate and form an angle with first gib (3) along indicating ring portion (2) outer wall to stimulate two parts of oral cavity soft tissue simultaneously.

2. The soft tissue retractor for maxillofacial oral surgery according to claim 1, further comprising a control structure provided on the finger ring portion (2) for controlling the rotation of the second hook strip (4); a through groove (5) is formed along the length direction of the outer wall of the ring part (2); the control structure comprises an arc-shaped sliding strip (6) which is arranged in the through groove (5) and rotates along the length direction of the through groove (5), and a compression spring (7) which is arranged at one end of the sliding strip (6) and is abutted against the end part of the sliding strip (6); two ends of the through groove (5) are in a closed state on the outer wall of the ring part (2), two ends of the sliding strip (6) are respectively arranged at the closed ends of two ends of the through groove (5), and the compression spring (7) is arranged at the end part of one closed end; the middle part of the through groove (5) is provided with an opening, a plurality of limiting blocks (8) are arranged on the opening of the through groove (5) along the length direction of the wall of the through groove (5), and a shifting fork (9) matched with the limiting blocks (8) is arranged on the sliding strip (6); the second gib block (4) is fixedly arranged on the sliding block (6) through the through groove (5) and the opening, and the angle between the first gib block (3) and the second gib block (4) is limited through the matching of the adjusting shifting fork (9) and different limiting blocks (8).

3. The soft tissue retractor for maxillofacial oral surgery according to claim 2, wherein the end of the slide bar (6) that is engaged with the compression spring (7) is provided with a stop (10) that abuts against the compression spring (7).

4. The soft tissue retractor for maxillofacial oral surgery according to claim 2, wherein the stopper (8) is provided with a groove for engaging the fork (9).

5. A soft tissue retractor for maxillofacial oral surgery as claimed in claim 2, wherein a scale (11) for measuring the angle between the first gib (3) and the second gib (4) is provided on the surface of the finger ring portion (2).

6. A soft tissue retractor for maxillofacial oral surgery as claimed in claim 2, wherein said stops (8) are provided on the wall of the open channel (5) at one end of the compression spring (7).

7. The soft tissue retractor for maxillofacial oral surgery according to claim 2, wherein the through slot (5) is formed in a circular arc shape and is disposed below the first hook strip (3).

8. The soft tissue retractor for maxillofacial oral surgery as claimed in claim 7, wherein the second hook strip (4) is a telescopic structure comprising a telescopic link (12) fixedly connected with the sliding strip (6), a hook body (13) sleeved on the end of the link (12) and a tension spring (14) for tensioning the hook body (13); set up a hook rod (15) on coupler body (13), connecting rod (12) set up a trepanning (16) along its length direction, extension spring (14) set up in this trepanning (16), the hook rod (15) cover of coupler body (13) is established and is established in trepanning (16) and taut through extension spring (14).

9. The soft tissue retractor for maxillofacial oral surgery according to claim 8, wherein the cross section of the housing hole (16) and the cross section of the hook rod (15) are square.

10. The soft tissue retractor for maxillofacial oral surgery as claimed in claim 8, wherein a limiting block (17) is provided on an outer side wall of the hook lever (15).