Transoral mirror thyroid retractorTechnical Field
The utility model relates to the technical field of medical appliances, in particular to a transoral endoscopic thyroid retractor.
Background
The transoral endoscopic thyroid surgery is to cut an opening in the oral cavity of a patient, then insert and extend the patient's neck from the surgical incision of the patient using a retractor, then prop up the patient's epidermal tissue using the retractor, and then the doctor performs the surgery in the space that is propped up by the retractor.
However, the length of the neck of different patients is different, and the length of the existing draw hook is fixed, so that the adjustment cannot be performed according to the length of the neck of the patient, the epidermal tissue of the neck of the patient with longer neck cannot be fully stretched and spread, the sufficient visual field space cannot be ensured, and the operation is not facilitated.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide the transoral endoscopic thyroid retractor, which can adjust the length of the retractor according to the neck length of a patient before and during an operation, provides sufficient visual field space for doctors to operate and is convenient for the operation.
The transoral endoscopic thyroid retractor comprises a retractor body, wherein the retractor body comprises a fixing part for fixing the retractor and a supporting part for supporting the cervical epidermal tissue of a patient, the fixing part is connected with the supporting part, the supporting part is provided with an adjusting component capable of being adjusted along the length direction of the supporting part, the adjusting component comprises a supporting bar for extending the length of the supporting part, one end of the supporting bar is positioned in the supporting part, the other end of the supporting bar extends out of the supporting part, and the supporting part and the supporting bar are matched to support the cervical epidermal tissue of the patient.
The operation table is characterized in that in the prior art, when the drag hook is used, a supporting rod positioned on the operation table is vertically arranged, the supporting rod is similar to an infusion support, and one end of the fixing part is hung on the supporting rod.
The principle of the technical proposal is as follows:
The fixed part one end is hung on the bracing piece, finely tune adjusting part according to patient's neck length, make the support bar on the adjusting part and the support part cooperation overall length can fully support patient's neck epidermis tissue, or when using, the support part supports patient's neck epidermis tissue, find that patient's neck is close to the epidermis tissue of chest and is not supported, finely tune adjusting part, make the support bar extension be used for extension support part length, make support part and support bar cooperation overall length can fully support patient's neck epidermis tissue, the fixed part is up-lifted again, the fixed part drives the support part, support bar on the support part is upwards moved, expose patient's neck inner space.
Compared with the prior art, the utility model has the beneficial effects that:
The adjusting component disclosed by the utility model not only can prolong the length of the supporting part, but also can be adjusted when being matched with the supporting part to fully support the patient neck epidermis tissue, and can assist in prolonging the length of the supporting part, and the supporting part is matched to fully support the patient neck epidermis tissue, so that the length of the drag hook can be adjusted before an operation according to the neck length of the patient, the length of the drag hook can be adjusted more accurately according to the actual situation after the drag hook is stretched into the neck of the patient in the operation, and sufficient visual field space is provided for a doctor to operate, thereby facilitating the operation.
As a preferred embodiment of the utility model, the supporting part is a column body, the supporting part is provided with a placing groove, one end of the supporting part, which is close to the fixing part, is provided with a containing groove communicated with the placing groove, the length of the placing groove is larger than the width of the containing groove, a plurality of clamping grooves with two ends penetrating are symmetrically arranged at intervals in the containing groove, adjacent clamping grooves on the same side are connected in an arc mode, the adjusting component further comprises an adjusting piece, the adjusting piece comprises a first limiting plate, a connecting plate and a second limiting plate, the first limiting plate is attached to the inner surface of the bottom of the placing groove, the first limiting plate is connected with a supporting bar, the lower surface of the supporting bar is attached to the first limiting plate, the upper surface of the supporting bar is attached to the lower surface of the clamping groove, one surface of the connecting plate is connected with the first limiting plate, the other opposite surface of the supporting bar is connected with the second limiting plate, the lower surface of the second limiting plate is attached to the upper surface of the clamping groove, and one end, which is close to the fixing part, of the connecting plate is symmetrically provided with an elastic piece which can be clamped into the clamping groove.
In this scheme, the hand is put on the second limiting plate to promote the second limiting plate and remove along supporting part length direction, drive the support bar and remove along supporting part length direction when the second limiting plate removes, continue to stretch out the supporting part promptly, make the length of supporting part, the length that the support bar is located outside the supporting part about equal to the length that patient's neck needs to support, stop promoting the second limiting plate, the supporting part stops removing, in the draw-in groove is gone into to the elastic component card, the elastic component is spacing to the second limiting plate, thereby it is spacing to the support bar position, support bar and supporting part cooperation provide stable support to patient's neck's epidermic tissue.
The holding tank has the beneficial effects that the length of the holding tank is larger than the width of the holding tank, so that the holding tank can hold the first limiting plate and the supporting bar, the lower surface of the clamping tank on the holding tank can be in butt joint with the supporting bar for limiting, the lower surface of the first limiting plate is jointed with the inner surface of the bottom of the holding tank, the upper surface of the holding tank is jointed with the supporting bar, when the supporting bar is in butt joint limiting, the first limiting plate is also indirectly limited, and the lower surface of the second limiting plate is connected with the second limiting plate through the connecting plate, when the first limiting plate is in butt joint with the upper surface of the clamping tank, the first limiting plate, the connecting plate, the second limiting plate, the supporting bar, the elastic piece and the clamping tank are also indirectly limited, and the supporting bar can be adjusted along the length direction of the supporting portion, namely the length of the supporting bar extending out of the supporting portion is adjusted.
As a preferred embodiment of the present utility model, the elastic member includes an elastic first connecting strip, and a clamping block connected to the first connecting strip, where the clamping block may be clamped into the clamping groove.
In this scheme, when the second limiting plate is moved along supporting part length direction to the hand push, the second limiting plate drives first connecting strip and removes along supporting part length direction, because the fixture block card is in the draw-in groove, when first connecting strip removes, elastic first connecting strip still swings along supporting part width direction simultaneously, drive the fixture block and swing along supporting part width direction for the fixture block slides out from the draw-in groove, in the roll-in next draw-in groove, when the hand stops pushing the second limiting plate, first connecting strip stops along supporting part width direction swing, the fixture block slides in the draw-in groove.
The elastic first connecting strip, the clamping block and the clamping groove are matched, the first limiting part after the position movement can be limited, and the supporting strip is limited through the first limiting part, so that the supporting strip is ensured to be stably matched with the supporting part to provide stable support for the neck of a patient.
In a preferred embodiment of the present utility model, the upper surface of the second limiting plate and the upper surface of the supporting portion are located on the same horizontal plane.
Compared with the condition that the upper surface of the second limiting plate is located above the upper surface of the supporting portion, the thickness of the supporting portion can be as thin as possible, namely the thickness of the supporting portion extending into the neck of a patient is as thin as possible, and when the fixing portion drives the supporting portion to move upwards, the exposed operation space is as high as possible, namely the internal space of the neck of the patient can be fully exposed.
As a preferable embodiment of the utility model, the upper surface of the second limiting plate is provided with anti-skid stripes.
The anti-slip strip has the beneficial effects that the anti-slip strip can be anti-slip, so that an operator can push the second limiting plate conveniently.
Drawings
FIG. 1 is a schematic diagram of the structure of a transoral endoscopic thyroid retractor of the present utility model;
FIG. 2 is a schematic view of the structure of the utility model at position A;
FIG. 3 is a schematic view of another angular section of the transoral endoscopic thyroid retractor of the present utility model;
FIG. 4 is a schematic view of the structure of the present utility model in position B;
FIG. 5 is a schematic view of a further angular section of the transoral endoscopic thyroid retractor of the present utility model;
fig. 6 is a schematic view of the structure of the present utility model at the C position.
Detailed Description
Exemplary embodiments that embody features and advantages of the present utility model will be set forth in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.
In the description of the present application, the orientation or positional relationship indicated by the terms "first", "second", "one side", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The second limiting plate 403 is outside the incision, so that the operation is convenient when the length of the supporting bar 3 is adjusted after the supporting bar 3 is inserted into the neck of the patient.
The reference numerals comprise a fixing part 1, a supporting part 2, a placing groove 201, a containing groove 202, a clamping groove 203, a supporting bar 3, a first limiting plate 401, a connecting plate 402, a second limiting plate 403, an elastic piece 404, a first connecting bar 404-1 and a clamping block 404-2.
As shown in fig. 1-6, the transoral endoscopic thyroid retractor comprises a retractor body, as shown in fig. 1, the retractor body comprises a fixing part 1 for fixing the retractor and a supporting part 2 for supporting the epidermal tissue of the neck of a patient, the fixing part 1 is connected with the supporting part 2, in this embodiment, the fixing part 1 comprises a first connecting rod, a second connecting rod and a third connecting rod which are respectively positioned at two ends and opposite sides of the first connecting rod, the second connecting rod is connected with a hook, and the third connecting rod is connected with the supporting part 2.
As shown in fig. 1 and 2, the supporting portion 2 is a column, a placing groove 201 is formed in the outer side surface of the supporting portion 2, a containing groove 202 communicated with the placing groove 201 is formed in the upper surface of one end, close to the fixing portion 1, of the supporting portion 2, the length of the placing groove 201 is larger than the width of the containing groove 202, a plurality of clamping grooves 203 with two ends penetrating through are symmetrically arranged at intervals in an opening of the containing groove 202, and adjacent clamping grooves 203 located on the same side are connected in an arc mode.
As shown in fig. 3-6, the supporting part 2 is provided with an adjusting component capable of adjusting along the length direction of the supporting part 2, the adjusting component comprises a supporting bar 3 for extending the length of the supporting part 2 and an adjusting piece for adjusting the position of the supporting bar 3, one end of the supporting bar 3 is positioned in the placing groove 201 of the supporting part 2, the other end extends out of the supporting part 2, and the supporting part 2 and the supporting bar 3 are matched to support the epidermis tissue of the neck of a patient.
As shown in fig. 4 and 6, the adjusting member includes a first limiting plate 401, a connecting plate 402 and a second limiting plate 403, where the first limiting plate 401 is attached to the inner surface of the bottom of the holding groove 201, the first limiting plate 401 is connected with the supporting bar 3, the lower surface of the supporting bar 3 is attached to the first limiting plate 401, the upper surface of the supporting bar 3 is attached to the lower surface of the clamping groove 203, one surface of the connecting plate 402 is connected with the first limiting plate 401, the other opposite surface is connected with the second limiting plate 403, the lower surface of the second limiting plate 403 is attached to the upper surface of the clamping groove 203, the upper surface of the second limiting plate 403 is located on the same horizontal plane with the upper surface of the supporting portion 2, anti-slip stripes are arranged on the upper surface of the second limiting plate 403, and elastic members 404 capable of being clamped into the clamping groove 203 are symmetrically arranged at one end of the connecting plate 402 close to the fixing portion 1.
As shown in fig. 6, in the present embodiment, the elastic member 404 includes an elastic first connecting strip 404-1 and a clamping block 404-2 connected to the first connecting strip 404-1, and the clamping block 404-2 can be clamped into the clamping groove 203.
Specific operation of adjusting the support bar 3:
The hand is put on the second limiting plate 403, and pushes the second limiting plate 403 to move along the length direction of the supporting part 2, the second limiting plate 403 drives the first limiting plate 401 to move along the length direction of the supporting part 2 through the connecting plate 402, the first limiting plate 401 drives the supporting bar 3 to move along the length direction of the supporting part 2, meanwhile, the second limiting plate 403 drives the first connecting bar 404-1 to move along the length direction of the supporting part 2, because the first connecting bar 404-1 has elasticity, when the first connecting bar 404-1 moves, the clamping block 404-2 is driven to slide out of one clamping groove 203 and fall into the next clamping groove 203 until the second limiting plate 403 stops moving, the first limiting plate 401, the supporting bar 3 and the first connecting bar 404-1 are all stopped moving, the clamping blocks 404-2 are clamped into the corresponding clamping grooves 203, one end of the supporting bar 3 outside the supporting part 2 stretches, meanwhile, because the first limiting plate 404-1 is connected with the supporting bar 3, and the supporting bar 3 is also limited, and thus the position adjustment of the supporting bar 3 is completed.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.