CN219720767U - Jaw face operation drag hook - Google Patents

Abstract

The utility model provides a maxillofacial surgical retractor which comprises a handle, an adjusting hook, an adjusting mechanism, a drainage tube and an illuminating lamp, wherein the handle is arranged on the jaw; the adjusting hooks are arranged on the handle through the adjusting mechanism, and the two adjusting hooks are parallel to each other; the adjusting mechanism comprises a shell, a rotating rod, a gear and a rack; the shell is fixed on the handle, one end of the rotating rod penetrates through the shell, and the rotating rod is rotatably arranged on the handle; the gear is fixed at one end of the rotating rod; racks are respectively arranged on two opposite sides of the gear, the racks are meshed with the gear, the racks are slidably arranged in the shell, and the racks correspond to the adjusting hooks one by one; one end of the adjusting hook extends into the shell and is connected with the shell in a sliding way; the two adjusting hooks are in one-to-one correspondence with the racks, and one end of each adjusting hook is fixedly connected with each rack; the lighting lamp and the drainage tube are arranged on the shell. The distance between the two adjusting hooks is adjusted, the width of the draw hook is adjusted, and the width of different draw hooks is adjusted according to different surgical conditions.

Description

Jaw face operation drag hook

Technical Field

The utility model relates to the technical field of surgical retractor, in particular to a maxillofacial surgical retractor.

Background

The surgical retractor is one of the common instruments for surgical operation, is an important auxiliary means for ensuring the surgical field, and has a vital function. In maxillofacial surgery, a surgeon typically separates soft tissue from bone portions by a retractor, thereby exposing more of the field of view.

The existing maxillofacial surgical retractor generally comprises a handle at the rear end and a retractor at the front end, wherein an illuminating lamp is generally arranged at the back of the retractor at the front end in order to provide brighter surgical field for surgery; in order to facilitate drainage to the surgical site, a drainage tube is generally fixed on the side surface of the front end drag hook.

However, since the illumination lamp and the drainage tube are installed at the front end retractor portion, the retractor at the front end portion is generally wide, and during a partial operation, the front end portion of the maxillofacial surgical retractor collides with the surgical instrument due to the too wide retractor at the front end portion, thereby affecting the progress of the operation, which is disadvantageous for the operation.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model mainly solves the technical problems as follows: in partial operation, the front end draw hook of the maxillofacial operation draw hook is wider, and the operation progress can be influenced, which is unfavorable for the operation.

In order to solve the technical problems, the utility model adopts the following technical scheme: a maxillofacial surgical retractor comprising: the device comprises a handle, an adjusting hook, an adjusting mechanism, a drainage tube and an illuminating lamp; the two adjusting hooks are arranged on the handle through the adjusting mechanism and are mutually parallel; the adjusting mechanism comprises a shell, a rotating rod, a gear and a rack; the shell is fixedly arranged on the handle, one end of the rotating rod penetrates into the shell, and the rotating rod is rotatably arranged on the handle; the gear is coaxially fixed at one end of the rotating rod; racks are respectively arranged on two opposite sides of the gear in the radial direction, the two racks are meshed with the gear, the two racks are slidably arranged in the shell, and the two racks are in one-to-one correspondence with the adjusting hooks; one end of the adjusting hook extends into the shell and is connected with the shell in a sliding way; the two adjusting hooks are in one-to-one correspondence with the racks, and one end of each adjusting hook is fixedly connected with the rack; the illuminating lamp and the drainage tube are arranged on the shell.

Through installing light and drainage tube on the casing to do not occupy the position of drag hook, saved the mounted position of light and drainage tube, thereby can reduce the width of front end drag hook, rotate the rotary rod, the rotary rod drives the gear rotation, and the gear drives two racks and slides in its length direction subtend, and the rack drives the regulation hook that corresponds rather than removing, makes two regulation hooks subtend remove, so that control the interval of two regulation hooks, thereby can adjust the width of drag hook. According to different operation condition rotation rotary rod, adjust the interval of two regulation hooks through rotating the rotary rod, realize the regulation to drag hook width, reach the width of adjusting different drag hooks according to different operation condition to can effectually reduce the front end portion of operation drag hook and the probability that surgical instruments bump.

Preferably, the device also comprises a limiting mechanism, wherein the limiting mechanism comprises a rotating sleeve, a knob and a clamping plate; the rotating sleeve is rotatably arranged on the handle, is sleeved on the rotating rod and is in sliding connection with the rotating rod in the length direction of the rotating rod; the knob fixed mounting is in the one end that the gear was kept away from to the cover that rotates, one side fixed mounting that the knob is close to the cover that rotates has a plurality of cardboards, and a plurality of cardboards use the axis of cover that rotates as centre of a circle circular array, a plurality of draw-in grooves have been seted up to one side that the handle is close to the cardboard, a plurality of draw-in grooves and cardboard one-to-one, just draw-in groove and cardboard cooperation.

After drag hook width adjustment is accomplished, promote the knob, the knob drives and rotates the cover and slide on the rotary rod, drives the cardboard simultaneously and removes to the draw-in groove in to this comes to carry out spacingly to the rotary rod, can effectually prevent the spontaneous rotation of rotary rod, when needs adjust drag hook width, the pulling knob, the knob drives the cardboard and slides out from the draw-in groove, then rotates the knob, the knob drives and rotates the cover and rotate, rotates the cover and drives the rotary rod and rotate, so as to adjust drag hook width.

Preferably, the limiting mechanism further comprises a limiting block and a spring; the handle is provided with a limiting groove, the limiting block is slidably arranged in the limiting groove, and the limiting block is fixedly connected with the rotating sleeve; the spring is sleeved on the rotating sleeve and is located in the limiting groove, one end of the spring is abutted against the limiting block, the other end of the spring is abutted against the handle, and the spring is located on one side, away from the adjusting hook, of the limiting block.

The knob is pulled along the length direction of the rotating rod, the knob drives the limiting block to move through the rotating sleeve, the limiting block extrudes the spring, the knob can be rotated at the moment, and after the width adjustment of the drag hook is completed, the spring drives the clamping plate to be clamped into the clamping groove through pushing the limiting block; can effectually prevent the cardboard from the spontaneous roll-off in the draw-in groove.

Preferably, the illuminating lamp comprises a lamp cap, a connecting port, a connecting wire and a first gooseneck; the lamp cap is arranged on the shell and is positioned at the back parts of the two adjusting hooks; the connecting port is arranged on the handle, and the connecting port is connected with the lamp cap through a connecting wire; the first gooseneck is fixedly sleeved at one end, which is pinched by the outside of the connecting line and is close to the lamp cap. The power supply is connected to the connecting port, and the connecting port is used for electrifying the lamp holder through the connecting wire, so that the operation place is illuminated.

Preferably, two stoppers are further mounted on the handle. The hand is held on the handle and is positioned between the two stop blocks, so that the hand can be effectively prevented from sliding on the handle.

Preferably, the drainage tube comprises a hose, a second gooseneck, and a connector; the connector is installed to the one end of hose, the second gooseneck pipe cover is established on the hose and is close to the other end of hose, the one end that the second gooseneck is close to the connector and casing fixed connection. The drainage device is connected through the connector, and the position of the hose is adjusted through the second gooseneck, so that drainage is facilitated.

Compared with the prior art, the utility model has at least the following advantages:

1. the width of the front end part of the surgical retractor can be adjusted in a self-adaptive mode according to the surgical condition. According to the utility model, the rotating rod is rotated according to different operation conditions, the distance between the two adjusting hooks is adjusted by rotating the rotating rod, the adjustment of the width of the drag hook is realized, and the width of different drag hooks is adjusted according to different operation conditions, so that the probability of collision between the front end part of the operation drag hook and the operation instrument can be effectively reduced.

2. Through installing light and drainage tube on the casing to do not occupy the position of drag hook, saved the mounted position of light and drainage tube, thereby can reduce the width of front end drag hook.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.

Fig. 1 is a perspective view of a maxillofacial surgical retractor according to an embodiment of the present utility model.

Fig. 2 is a front cross-sectional view of a maxillofacial surgical retractor according to an embodiment of the present utility model.

Fig. 3 is a partial perspective view of an adjusting mechanism according to an embodiment of the present utility model.

Fig. 4 is an enlarged view at a in fig. 2.

Reference numerals: the device comprises a handle 1, a limit groove 11, a clamping groove 12, a stop 13, a regulating hook 2, a regulating mechanism 3, a shell 31, a rotary rod 32, a gear 33, a rack 34, a limit mechanism 4, a rotary sleeve 41, a rotary knob 42, a clamping plate 43, a limiting block 44, a spring 45, a lighting lamp 5, a lamp holder 51, a connecting port 52, a connecting line 53, a first gooseneck 54, a drain tube 6, a hose 61, a second gooseneck 62 and a connecting head 63.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

In the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, embodiments provided by the present utility model: a maxillofacial surgical retractor comprising: the device comprises a handle 1, an adjusting hook 2, an adjusting mechanism 3, a drainage tube 6 and an illuminating lamp 5; the two adjusting hooks 2 are arranged on the handle 1 through the adjusting mechanism 3, and the two adjusting hooks 2 are arranged in parallel; further, two stoppers 13 are also installed on the handle 1; the hand is held on the handle 1 and is positioned between the two stop blocks 13, so that the hand can be effectively prevented from sliding on the handle 1. The adjusting mechanism 3 includes a housing 31, a rotating lever 32, a gear 33, and a rack 34; the shell 31 is fixedly arranged on the handle 1, one end of the rotating rod 32 penetrates into the shell 31, and the rotating rod 32 is rotatably arranged on the handle 1; the gear 33 is coaxially fixed at one end of the rotating rod 32; racks 34 are respectively arranged on two opposite sides of the gear 33 in the radial direction, the two racks 34 are meshed with the gear 33, the two racks 34 are slidably arranged in the shell 31, and the two racks 34 are in one-to-one correspondence with the adjusting hooks 2; one end of the adjusting hook 2 extends into the shell 31, and the adjusting hook 2 is in sliding connection with the shell 31; the two adjusting hooks 2 are in one-to-one correspondence with the racks 34, and one end of each adjusting hook 2 is fixedly connected with each rack 34; the illuminating lamp 5 and the drainage tube 6 are mounted on the housing 31. By installing the illuminating lamp 5 and the drainage tube 6 on the shell 31, the position of the drag hook is not occupied, the installation positions of the illuminating lamp 5 and the drainage tube 6 are omitted, and the width of the front drag hook can be reduced.

Rotating rod 32, rotating rod 32 drive gear 33 rotate, and gear 33 drives two racks 34 to slide in opposite directions in its length direction, and rack 34 drives the regulation hook 2 that corresponds to it and removes for two regulation hooks 2 opposite directions remove, so that control the interval of two regulation hooks 2, thereby can adjust the width of drag hook. During the concrete implementation, rotate rotary rod 32 according to different operation condition, adjust the interval of two regulation hooks 2 through rotating rotary rod 32, realize the regulation to the drag hook width, reach the width of adjusting different drag hooks according to different operation condition to can effectually reduce the front end portion of operation drag hook and the probability that the surgical instruments bump.

Referring to fig. 1-4, in other embodiments, the device further comprises a limiting mechanism 4, wherein the limiting mechanism 4 comprises a rotating sleeve 41, a knob 42 and a clamping plate 43; the rotating sleeve 41 is rotatably arranged on the handle 1, the rotating sleeve 41 is sleeved on the rotating rod 32, and the rotating sleeve 41 is in sliding connection with the rotating rod 32 in the length direction of the rotating rod 32; specifically, the cross section of the rotating rod 32 may be rectangular to restrict the rotation of the rotating sleeve 41 on the rotating rod 32 so that the rotating sleeve 41 can only slide in the length direction of the rotating rod 32; the knob 42 is fixedly arranged at one end of the rotating sleeve 41 far away from the gear 33, one side of the knob 42 close to the rotating sleeve 41 is fixedly provided with a plurality of clamping plates 43, the plurality of clamping plates 43 are circularly arrayed by taking the axis of the rotating sleeve 41 as the circle center, one side of the handle 1 close to the clamping plates 43 is provided with a plurality of clamping grooves 12, the plurality of clamping grooves 12 are in one-to-one correspondence with the clamping plates 43, and the clamping grooves 12 are matched with the clamping plates 43.

When the drag hook width is adjusted, the knob 42 is pushed, the knob 42 drives the rotating sleeve 41 to slide on the rotating rod 32, meanwhile, the clamping plate 43 is driven to move into the clamping groove 12, so that the rotating rod 32 is limited, spontaneous rotation of the rotating rod 32 can be effectively prevented, when the drag hook width is required to be adjusted, the knob 42 is pulled, the knob 42 drives the clamping plate 43 to slide out of the clamping groove 12, then the knob 42 is rotated, the knob 42 drives the rotating sleeve 41 to rotate, and the rotating sleeve 41 drives the rotating rod 32 to rotate, so that the drag hook width is adjusted.

Referring to fig. 1-4, in other embodiments, the spacing mechanism 4 further includes a spacing block 44 and a spring 45; the handle 1 is provided with a limit groove 11, a limit block 44 is slidably arranged in the limit groove 11, and the limit block 44 is fixedly connected with the rotating sleeve 41; the spring 45 is sleeved on the rotating sleeve 41 and is positioned in the limiting groove 11, one end of the spring 45 is abutted with the limiting block 44, the other end of the spring 45 is abutted with the handle 1, and the spring 45 is positioned on one side of the limiting block 44 away from the adjusting hook 2. In specific implementation, when the knob 42 is pulled along the length direction of the rotating rod 32, the knob 42 drives the limiting block 44 to move through the rotating sleeve 41, the limiting block 44 extrudes the spring 45, at the moment, the knob 42 can be rotated, and after the width adjustment of the drag hook is completed, the spring 45 drives the clamping plate 43 to be clamped into the clamping groove 12 by pushing the limiting block 44; the card 43 can be effectively prevented from spontaneously slipping out of the card slot 12.

Referring to fig. 1-4, in other embodiments, the illumination lamp 5 includes a lamp head 51, a connection port 52, a connection line 53, and a first gooseneck 54; the lamp cap 51 is mounted on the housing 31, and the lamp cap 51 is positioned at the back of the two adjusting hooks 2; the connecting port 52 is arranged on the handle 1, and the connecting port 52 is connected with the lamp cap 51 through a connecting wire 53; the first gooseneck 54 is fixedly sleeved on one end of the connecting wire 53, which is close to the lamp cap 51. In specific implementation, the power supply is connected to the connection port 52, the connection port 52 is used for electrifying the lamp cap 51 through the connection line 53 so as to illuminate the operation place, and the position of the lamp cap 51 can be adjusted through the first gooseneck 54, so that a visual field can be accurately provided for the operation.

1-4, in yet another embodiment, the draft tube 6 includes a hose 61, a second gooseneck 62, and a connector 63; one end of the hose 61 is provided with a connector 63; the second gooseneck 62 is sleeved on the hose 61 and is close to the other end of the hose 61, and one end of the second gooseneck 62 close to the connector 63 is fixedly connected with the housing 31. The drainage device is connected through the connector 63, and the position of the hose 61 is adjusted through the second gooseneck 62, so that drainage is facilitated. Specifically, the hose 61 may be made of rubber.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims (6)

1. A maxillofacial surgical retractor comprising: the device comprises a handle, an adjusting hook, an adjusting mechanism, a drainage tube and an illuminating lamp;

the two adjusting hooks are arranged on the handle through the adjusting mechanism and are mutually parallel;

the adjusting mechanism comprises a shell, a rotating rod, a gear and a rack; the shell is fixedly arranged on the handle, one end of the rotating rod penetrates into the shell, and the rotating rod is rotatably arranged on the handle; the gear is coaxially fixed at one end of the rotating rod; racks are respectively arranged on two opposite sides of the gear in the radial direction, the two racks are meshed with the gear, the two racks are slidably arranged in the shell, and the two racks are in one-to-one correspondence with the adjusting hooks; one end of the adjusting hook extends into the shell and is connected with the shell in a sliding way; the two adjusting hooks are in one-to-one correspondence with the racks, and one end of each adjusting hook is fixedly connected with the rack;

the illuminating lamp and the drainage tube are arranged on the shell.

2. The maxillofacial surgical retractor according to claim 1, further comprising a limiting mechanism comprising a rotating sleeve, a knob, and a clamping plate;

the rotating sleeve is rotatably arranged on the handle, is sleeved on the rotating rod and is in sliding connection with the rotating rod in the length direction of the rotating rod;

the knob fixed mounting is in the one end that the gear was kept away from to the cover that rotates, one side fixed mounting that the knob is close to the cover that rotates has a plurality of cardboards, and a plurality of cardboards use the axis of cover that rotates as centre of a circle circular array, a plurality of draw-in grooves have been seted up to one side that the handle is close to the cardboard, a plurality of draw-in grooves and cardboard one-to-one, just draw-in groove and cardboard cooperation.

3. The maxillofacial surgical retractor according to claim 2, wherein the limiting mechanism further comprises a limiting block and a spring;

the handle is provided with a limiting groove, the limiting block is slidably arranged in the limiting groove, and the limiting block is fixedly connected with the rotating sleeve;

the spring is sleeved on the rotating sleeve and is located in the limiting groove, one end of the spring is abutted against the limiting block, the other end of the spring is abutted against the handle, and the spring is located on one side, away from the adjusting hook, of the limiting block.

4. The maxillofacial surgical retractor according to claim 1, wherein the illumination lamp comprises a lamp head, a connection port, a connection line, and a first gooseneck; the lamp cap is arranged on the shell and is positioned at the back parts of the two adjusting hooks; the connecting port is arranged on the handle, and the connecting port is connected with the lamp cap through a connecting wire; the first gooseneck is fixedly sleeved at one end, which is pinched by the outside of the connecting line and is close to the lamp cap.

5. The maxillofacial surgical retractor of claim 1, wherein two stops are further mounted to the handle.

6. The maxillofacial surgical retractor according to claim 1, wherein the drainage tube comprises a hose, a second gooseneck, and a connector; the connector is installed to the one end of hose, the second gooseneck pipe cover is established on the hose and is close to the other end of hose, the one end that the second gooseneck is close to the connector and casing fixed connection.