CN112656513A

CN112656513A - External shielding device for operation wound of thoracic surgery

Info

Publication number: CN112656513A
Application number: CN202011491414.0A
Authority: CN
Inventors: 徐士林
Original assignee: Individual
Current assignee: Zhang Bo
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-16
Anticipated expiration: 2040-12-16
Also published as: CN112656513B

Abstract

The invention relates to the technical field of thoracic surgery operation protection, in particular to a shielding device outside an operation wound for thoracic surgery, which comprises an installation mechanism, a supporting mechanism, a pressing mechanism and a limiting mechanism, wherein the installation mechanism is arranged on the outer side of the operation wound; the surface of the mounting mechanism is relatively and slidably connected with two supporting mechanisms, and the two supporting mechanisms realize the fixation of the shielding component, so that the shielding component is prevented from loosening, and the operation is facilitated; one side of each of the two supporting mechanisms is relatively and rotatably connected with a pressing mechanism for limiting the shielding component again, and after the plurality of shielding components are fixed through the supporting mechanisms, the shielding components on the top layer can be limited and pulled through the pressing mechanisms, so that the shielding components are smoother and beneficial to the operation; the side walls of the two supporting mechanisms are connected with the limiting mechanisms in a sliding mode, the limiting mechanisms can be pulled to slide the supporting mechanisms, different positions are protected, the supporting mechanisms are limited through the limiting mechanisms, and the operation is simple.

Description

External shielding device for operation wound of thoracic surgery

Technical Field

The invention relates to the technical field of thoracic surgery operation protection, in particular to a shielding device outside an operation wound for thoracic surgery.

Background

The thoracic surgery is a medical special department, specially studies the diagnosis and treatment of thoracic organs, mainly esophagus, lung and mediastinum lesions, and the field of mammary gland surgery is also classified into the special department, wherein the lung surgery and the esophagus surgery are mainly used, after the disinfection before the operation, sterile sheets, namely green cloth, are covered, a plurality of layers are covered, and finally, only a small place is exposed, and the small piece is the area to be operated. In medicine, a special term called drape is provided, each operation has different disinfection ranges and drape ranges, which is the basic work of each surgeon and the good and bad operation, and directly influences the infection rate of postoperative wounds. Incidentally, the color of the drape is green, not white, red or the like, which is a dazzling color, because green does not cause visual fatigue and can be viewed for a long time.

At present, a drape is required to be covered on an operation part to cover a body during a medical thoracic surgery operation, a medical worker directly places a plurality of layers of drapes on the body of a patient during the covering, the drapes are not fixed at two ends, the drape is easy to move when a doctor operates the patient, holes on the surface of the drape are not corresponding to operation wounds, the deviation is caused, the observation of the doctor is influenced, and the operation is not facilitated; and the spreading towel directly laid on the body of the patient is loose, so that the spreading towel is difficult to be laid flat, the neatness of laying the spreading towel is influenced, and the operation of medical staff is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a shielding device outside an operation wound for thoracic surgery.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a thoracic surgery is with sheltering from device outside operation wound, includes installation mechanism, supporting mechanism, pressing means and stop gear for install overall structure on the operating table installation mechanism's both sides sliding connection has the supporting mechanism, is located two at installation mechanism top supporting mechanism, two supporting mechanism with be the triangle-shaped structure between the installation mechanism, two supporting mechanism's side homogeneous phase is swivelling joint has two pressing means, two supporting mechanism with be "Y" shape structure between the pressing means, two the equal sliding connection in side of supporting mechanism has stop gear, two the equal fixed connection in one end of stop gear is in installation mechanism's one end.

Specifically, installation mechanism includes bottom plate, mount pad, spout and screw, two supporting mechanism relative sliding connection in the surface of mount pad, two the relative lateral wall of mount pad all is the arc structure, two the mount pad all passes through the screw fixation is in the cuboid structure the surface of bottom plate, two the surface of mount pad has been seted up respectively the spout.

The supporting mechanism comprises a supporting plate, a sliding plate, a rotating rod, a handle, a connecting plate, a pressing plate, a rubber pad, a pressure spring and a tension spring, wherein the supporting plate, the sliding plate, the rotating rod, the handle, the connecting plate, the pressing plate, the rubber pad, the pressure spring and the tension spring are arranged on the surface of the mounting seat, the inside of the sliding groove is provided with a hollow structure with an inverted T-shaped cross section, the supporting plate is provided with two supporting plates, the inside of the supporting plate is provided with two sliding plates, the pressure spring and the two sliding plates are clamped between the supporting plates, the rotating rod is connected with the rotating rod and the two rotating rods, the connecting plate is provided with the tension spring and the two tension springs are welded at the bottoms of the connecting plates, the pressing plates are bonded at the bottoms of the rubber pad and the two rotating rods.

Specifically, pressing means includes fixed plate, pull rod, push pedal, rubber pad and first spring, two the side of bull stick all rotates and is connected with the fixed plate, two the equal sliding connection in inside of fixed plate has the pull rod, two the fixed plate with equal centre gripping has between the pull rod first spring, two the bottom of pull rod all welds and has the cross-section to be the arc structure the push pedal, two the relative lateral wall of push pedal thoughtlessly bonds and has the rubber pad.

Specifically, pressing means still includes protection cloth, draw-in groove, gag lever post and second spring, two the cross-section is "T" shape structure is seted up to the bottom of rubber pad the draw-in groove, the relative equidistance in surface of protection cloth is equipped with the cross-section and is "T" shape structure the draw-in groove, draw-in bar sliding connection in the inside of draw-in groove, just protection cloth centre gripping in the mount pad with between the clamp plate, two the inside homogeneous phase of push pedal has the cross-section to be "do" font structure the gag lever post, two the one end of gag lever post extends to the inside of draw-in groove, just the gag lever post with inside the draw-in groove is contradicted, the push pedal with all the centre gripping has between the gag lever post the second spring.

Specifically, stop gear includes curb plate, fly leaf, slide bar, third spring, card post and fixed tooth, two the welding of the inner wall equidistance of mount pad has fixed tooth, two the equal sliding connection of lateral wall of backup pad has transversal "mouthful" font structure the fly leaf, two the bottom of fly leaf all weld with fixed tooth block the card post, two the top homogeneous phase butt welding cross-section of fly leaf is "T" shape structure the slide bar, and two the equal relative welding of lateral wall of backup pad has the curb plate, two sets of the slide bar respectively with two sets of sliding connection between the curb plate, two sets of the fly leaf with equal centre gripping has between the curb plate the third spring.

The invention has the beneficial effects that:

(1) according to the shielding device outside the operation wound for the thoracic surgery, the surface of the installation mechanism is relatively and slidably connected with the two supporting mechanisms, the two supporting mechanisms fix the shielding component, the shielding component is prevented from loosening, and the shielding device is beneficial to the operation; namely: during installation, the bottom plate is placed at the bottom of the operating table, and the two installation bases are further fixed with the bottom plate through screws, so that the whole structure is further installed on the operating table, the opposite side walls of the two installation bases are both arc-shaped structures, and pain caused by the fact that a patient mistakenly touches the installation bases is avoided; the patient lies first body in between two mount pads after on the operating table, further medical personnel will a plurality of protection cloth neatly place patient's operation position, set up the hole on protection cloth in advance, two connecting plates are promoted to the inside direction of two bull sticks, gapped between the rubber pad of two clamp plate bottoms and the mount pad this moment, with the both ends of protection cloth centre gripping respectively between mount pad and the rubber pad, realized fixing a plurality of protection cloth, the pressure spring is held to the clamp between further bull stick and the connecting plate, do benefit to adjusting plate's position, also can conflict clamp plate and patient's rib department, avoid loosely, and notice the tension of extension spring when selecting the extension spring, should not be too big, hinder the patient when avoiding operating.

(2) According to the shielding device outside the operation wound for the thoracic surgery, one side of each of the two supporting mechanisms is relatively and rotatably connected with the pressing mechanism for limiting the shielding component again, and after the shielding components are fixed through the supporting mechanisms, the shielding components on the top layer can be limited and pulled through the pressing mechanisms, so that the shielding components are smoother, and the operation is facilitated; namely: after the plurality of pieces of protective cloth are fixed, the two fixing plates are rotated, the two pull rods are pushed towards the inner direction of the fixing plates, the first spring is further contracted, the two push plates are abutted against the plurality of pieces of protective cloth, the protective cloth is limited again, and the first spring with moderate tension is selected when the first spring is selected in the same way; slide two relative slivers on outmost protection cloth surface respectively to the inside of the inside draw-in groove of two rubber pads, spur the gag lever post before sliding, and then realized dragging back to back of the body outermost protection cloth, guarantee the roughness of outmost protection cloth, do benefit to the operation, and the patient that a plurality of groups of slivers are fit for different sizes performs the operation, realized loosening the gag lever post after the inside of draw-in groove when the slivers slide and realized that the second spring shrink, and then gag lever post and slivers are contradicted, realized the location to the slivers.

(3) According to the shielding device outside the operation wound for the thoracic surgery, the side walls of the two supporting mechanisms are connected with the limiting mechanisms in a sliding manner, the limiting mechanisms can be pulled to slide the supporting mechanisms, so that different positions are protected, the supporting mechanisms are limited through the limiting mechanism, and the operation is simple; namely: according to the position of the supporting plate on the mounting seat is adjusted according to different wound positions of a patient, the movable plate located on the side wall of the supporting plate is pulled during adjustment, the third spring of the side wall of the sliding rod is contracted after the movable plate is pulled in the direction of the side plate, a clamping column at the bottom of the movable plate is separated from the fixed teeth inside the mounting seat, the movable plate is loosened after the position is adjusted to reset the third spring, clamping teeth are buckled inside the fixed teeth, the supporting plate is limited, and the position of the supporting plate is adjusted.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a structural diagram illustrating the overall structure of a preferred embodiment of a shielding device outside an operation wound for thoracic surgery according to the present invention;

FIG. 2 is a schematic view of the connection structure of the mounting mechanism, the supporting mechanism, the pressing mechanism and the limiting mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of the structure A shown in FIG. 2;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 2;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 2;

fig. 6 is an enlarged view of the structure of the portion D shown in fig. 5.

In the figure: 1. the device comprises a mounting mechanism 11, a bottom plate 12, a mounting seat 13, a sliding chute 14, screws 2, a supporting mechanism 21, a supporting plate 22, a sliding plate 23, a rotating rod 24, a handle 25, a connecting plate 26, a pressing plate 27, a rubber pad 28, a pressure spring 29, a tension spring 3, a pressing mechanism 31, a fixing plate 32, a pull rod 33, a push plate 34, a rubber pad 35, a protective cloth 36, a first spring 37, a sliding strip 38, a clamping groove 39, a limiting rod 39a, a second spring 4, a limiting mechanism 41, a side plate 42, a movable plate 43, a sliding rod 44, a third spring 45, a clamping column 46 and fixing teeth.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figures 1-6, the shielding device for the outside of the operation wound for thoracic surgery of the present invention comprises an installation mechanism 1, a supporting mechanism 2, a pressing mechanism 3 and a limiting mechanism 4, be used for installing overall structure on the operating table installation mechanism 1's both sides sliding connection has supporting mechanism 2, is located two at 1 top of installation mechanism supporting mechanism 2, two supporting mechanism 2 with be the triangle-shaped structure between the installation mechanism 1, two supporting mechanism 2's side homogeneous phase relatively swivelling joint has two pressing means 3, two supporting mechanism 2 with be "Y" shape structure between the pressing means 3, two the equal sliding connection in side of supporting mechanism 2 has stop gear 4, two the equal fixed connection in one end of stop gear 4 is in installation mechanism 1's one end.

Specifically, installation mechanism 1 includes bottom plate 11, mount pad 12, spout 13 and screw 14, two 2 relative sliding connection of supporting mechanism in the surface of mount pad 12, two the relative lateral wall of mount pad 12 all is the arc structure, two mount pad 12 all passes through screw 14 is fixed in the cuboid structure bottom plate 11's surface, two the surface of mount pad 12 has been seted up respectively spout 13 will in the installation time bottom plate 11 is placed to the bottom of operating table, and is further two mount pad 12 passes through screw 14 with bottom plate 11 is fixed, and further realization has installed overall structure on the operating table, two the relative lateral wall of mount pad 12 all is the arc structure, avoids the patient to miss and meets mount pad 12 causes pain.

Specifically, the supporting mechanism 2 includes a supporting plate 21, a sliding plate 22, rotating rods 23, a handle 24, connecting plates 25, pressing plates 26, rubber pads 27, a pressure spring 28 and tension springs 29, the insides of the sliding grooves 13 on the surfaces of the two mounting seats 12 are all slidably connected with the supporting plate 21 which is hollow and has an inverted T-shaped structure in cross section, the insides of the two supporting plates 21 are all slidably connected with the sliding plate 22, the pressure spring 28 is clamped between the two supporting plates 21 and the sliding plate 22, the sides of the two sliding plates 22 are relatively rotatably connected with the rotating rods 23, the insides of the two rotating rods 23 are all slidably connected with the connecting plates 25, the tension springs 29 are clamped between the two connecting plates 25 and the rotating rods 23, the pressing plates 26 are welded to the bottoms of the two connecting plates 25, and the rubber pads 27 are bonded to the bottoms of the two pressing plates 26, the handles 24 are welded on the side walls of the two rotating rods 23, the patient lies on the operating table and then the upper half of the body is positioned between the two installation seats 12, further medical personnel can place a plurality of protective cloths 35 neatly at the operation position of the patient, holes are formed in the protective cloths 35 in advance, the two connecting plates 25 are pushed towards the inner direction of the two rotating rods 23, at the moment, the rubber pads 27 at the bottoms of the two pressing plates 26 are spaced from the installation seats 12, the two ends of the protective cloths 35 are clamped between the installation seats 12 and the rubber pads 27 respectively, the plurality of protective cloths 35 are fixed, the pressure springs 28 are clamped between the rotating rods 23 and the connecting plates 25, the position of the pressing plates 26 can be adjusted conveniently, the pressing plates 26 can be abutted against the ribs of the patient, and looseness is avoided, and the tension of the tension spring 29 is noticed when the tension spring 29 is selected, so that the tension spring is not too large, and the patient is prevented from being injured during the operation.

Specifically, the pressing mechanism 3 includes a fixed plate 31, a pull rod 32, a push plate 33, a rubber pad 34 and a first spring 36, the side surfaces of the two rotating rods 23 are rotatably connected with the fixed plate 31, the insides of the two fixed plates 31 are slidably connected with the pull rod 32, the first spring 36 is clamped between the two fixed plates 31 and the pull rod 32, the bottom of the two pull rods 32 is welded with the push plate 33 with an arc-shaped cross section, the rubber pad 34 is bonded to the opposite side walls of the two push plates 33 in a mixed manner, after the protection cloth 35 is fixed, the two fixed plates 31 are rotated, the two pull rods 32 are pushed towards the inside of the fixed plate 31, further contraction of the first spring 36 is realized, and then the two push plates 33 are abutted against the protection cloth 35, so that the protection cloth 35 is limited again, the same first spring 36 is selected with a moderate tension of the first spring 36.

Specifically, the pressing mechanism 3 further includes a protective cloth 35, a sliding strip 37, a clamping groove 38, a limiting rod 39 and a second spring 39a, the clamping groove 38 with a cross section in a T-shaped structure is formed at the bottom of the rubber pad 34, the sliding strip 37 with a cross section in a T-shaped structure is arranged on the surface of the protective cloth 35 at equal intervals, the sliding strip 37 is slidably connected to the inside of the clamping groove 38, the protective cloth 35 is clamped between the mounting seat 12 and the pressing plate 26, the limiting rod 39 with a cross section in a dry-shaped structure is slidably connected to the inside of the pressing plate 33, one end of the limiting rod 39 extends to the inside of the clamping groove 38, the limiting rod 39 is abutted against the sliding strip 37 inside the clamping groove 38, the second spring 39a is clamped between the pressing plate 33 and the limiting rod 39, and the two opposite sliding strips 37 on the surface of the protective cloth 35 at the outermost layer are respectively slid to the two rubbers Pad 34 is inside draw before sliding in draw-in groove 38's inside gag lever post 39, and then realized outmost protection cloth 35 pulls back of the body, guarantees outwardly protection cloth 35's roughness does benefit to the operation, and a plurality of groups the patient that draw bar 37 is fit for different sizes operates, works as draw bar 37 slides to realized loosening behind draw-in groove 38's the inside gag lever post 39 has realized the shrink of second spring 39a, and then gag lever post 39 with draw bar 37 is contradicted, has realized right draw bar 37's location.

Specifically, the limiting mechanism 4 includes side plates 41, movable plates 42, sliding rods 43, third springs 44, clamping columns 45 and fixed teeth 46, the fixed teeth 46 are welded to the inner walls of the two mounting seats 12 at equal intervals, the movable plates 42 with cross sections in a shape like a Chinese character 'kou' are slidably connected to the side walls of the two support plates 21, the clamping columns 45 engaged with the fixed teeth 46 are welded to the bottoms of the two movable plates 42, the sliding rods 43 with cross sections in a shape like a Chinese character 'T' are butt-welded to the tops of the two movable plates 42, the side plates 41 are relatively welded to the side walls of the two support plates 21, the two sets of sliding rods 43 are slidably connected to the two sets of side plates 41, the third springs 44 are clamped between the two sets of movable plates 42 and the side plates 41, the positions of the support plates 21 on the mounting seats 12 are adjusted according to different trauma positions of patients, when the movable plate 42 located on the side wall of the support plate 21 is pulled during adjustment, the third spring 44 on the side wall of the sliding rod 43 is contracted after the movable plate is pulled towards the side plate 41, further, the clamping column 45 at the bottom of the movable plate 42 is separated from the fixed teeth 46 inside the mounting seat 12, and after the position is adjusted, the movable plate 42 is loosened to reset the third spring 44, so that the clamping teeth 45 are buckled inside the fixed teeth 46, the support plate 21 is limited, and the position of the support plate 21 is adjusted.

When the operating table is used, firstly, the bottom plate 11 is placed at the bottom of the operating table during installation, and the two installation bases 12 are further fixed with the bottom plate 11 through the screws 14, so that the whole structure is further installed on the operating table, the opposite side walls of the two installation bases 12 are both arc-shaped structures, and pain caused by the fact that a patient accidentally touches the installation bases 12 is avoided; after a patient lies on an operating table, the upper half body of the patient is positioned between the two mounting seats 12, further medical staff places a plurality of protective cloths 35 at the operation position of the patient in order, holes are formed in the protective cloths 35 in advance, the two connecting plates 25 are pushed towards the inner direction of the two rotating rods 23, gaps are formed between the rubber pads 27 at the bottoms of the two pressing plates 26 and the mounting seats 12 at the moment, two ends of each protective cloth 35 are respectively clamped between the mounting seats 12 and the rubber pads 27, fixing of the plurality of protective cloths 35 is achieved, rib compression springs 28 are further clamped between the rotating rods 23 and the connecting plates 25, the positions of the pressing plates 26 can be adjusted conveniently, the pressing plates 26 can also be abutted against the position of the patient, loosening is avoided, the tension of the tension springs 29 is selected, and the tension of the tension springs 29 is not too large, so that the patient is prevented from being injured; then, after the plurality of protective cloths 35 are fixed, the two fixing plates 31 are rotated, the two pull rods 32 are pushed towards the inner direction of the fixing plates 31, the first springs 36 are further contracted, the two push plates 33 are abutted against the plurality of protective cloths 35, the protective cloths 35 are limited again, and the first springs 36 with moderate tension are selected when the first springs 36 are selected in the same way; the two opposite sliding strips 37 on the surface of the outermost protective cloth 35 slide into the clamping grooves 38 in the two rubber pads 34 respectively, the limiting rod 39 is pulled before sliding, the outermost protective cloth 35 is pulled back to back, the flatness of the outermost protective cloth 35 is guaranteed, the operation is facilitated, a plurality of groups of sliding strips 37 are suitable for patients with different body types to perform the operation, when the sliding strips 37 slide into the clamping grooves 38, the limiting rod 39 is loosened, the second spring 39a contracts, the limiting rod 39 abuts against the sliding strips 37, and the sliding strips 37 are positioned; finally, the position of the support plate 21 on the mounting seat 12 is adjusted according to different wound positions of a patient, the movable plate 42 located on the side wall of the support plate 21 is pulled during adjustment, the third spring 44 on the side wall of the sliding rod 43 is retracted after the movable plate is pulled towards the side plate 41, the clamping column 45 at the bottom of the movable plate 42 is further separated from the fixed teeth 46 inside the mounting seat 12, the movable plate 42 is loosened after the position is adjusted to reset the third spring 44, the clamping teeth 45 are buckled inside the fixed teeth 46, the support plate 21 is limited, and the position of the support plate 21 is adjusted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A shielding device outside an operation wound for thoracic surgery is characterized by comprising an installation mechanism (1), a supporting mechanism (2), a pressing mechanism (3) and a limiting mechanism (4), be used for installing overall structure on the operating table the both sides sliding connection of installation mechanism (1) has supporting mechanism (2), is located two at installation mechanism (1) top supporting mechanism (2), two supporting mechanism (2) with be triangle-shaped structure, two between installation mechanism (1) the side homogeneous phase of supporting mechanism (2) is rotary connection relatively has two pressing means (3), two supporting mechanism (2) with be "Y" shape structure between pressing means (3), two the equal sliding connection in side of supporting mechanism (2) has stop gear (4), two the equal fixed connection in one end of stop gear (4) is in the one end of installation mechanism (1).

2. A device according to claim 1, wherein the device comprises: installation mechanism (1) includes bottom plate (11), mount pad (12), spout (13) and screw (14), two supporting mechanism (2) relative sliding connection in the surface of mount pad (12), two the relative lateral wall of mount pad (12) all is the arc structure, two mount pad (12) all pass through screw (14) are fixed in the cuboid structure the surface of bottom plate (11), two the surface of mount pad (12) has been seted up respectively spout (13).

3. A device according to claim 2, wherein the device comprises: the supporting mechanism (2) comprises supporting plates (21), sliding plates (22), rotating rods (23), handles (24), connecting plates (25), pressing plates (26), rubber pads (27), pressure springs (28) and tension springs (29), wherein the supporting plates (21) which are hollow inside and have inverted T-shaped structures in cross sections are connected to the inside of the sliding grooves (13) on the surfaces of the two mounting seats (12) in a sliding mode, the sliding plates (22) are connected to the inside of the two supporting plates (21) in a sliding mode, the pressure springs (28) are clamped between the two supporting plates (21) and the sliding plates (22), the rotating rods (23) are connected to the side surfaces of the two sliding plates (22) in a relative rotating mode, the connecting plates (25) are connected to the inside of the two rotating rods (23) in a sliding mode, and the tension springs (29) are clamped between the two connecting plates (25) and the rotating rods (23), the pressing plates (26) are welded to the bottoms of the two connecting plates (25), the rubber pads (27) are bonded to the bottoms of the two pressing plates (26), and the handles (24) are welded to the side walls of the two rotating rods (23).

4. A device according to claim 3, wherein the device comprises: pressing means (3) are including fixed plate (31), pull rod (32), push pedal (33), rubber pad (34) and first spring (36), two the side of bull stick (23) all rotates to be connected with fixed plate (31), two the equal sliding connection in inside of fixed plate (31) has pull rod (32), two fixed plate (31) with all the centre gripping has between pull rod (32) first spring (36), two the bottom of pull rod (32) all welds and has the cross-section to be arc structure push pedal (33), two the relative lateral wall of push pedal (33) mixes to bond and has rubber pad (34).

5. The device for covering the outside of the operation wound for thoracic surgery according to claim 4, wherein: the pressing mechanism (3) further comprises protective cloth (35), a sliding strip (37), clamping grooves (38), limiting rods (39) and second springs (39a), the clamping grooves (38) with T-shaped cross sections are formed in the bottoms of the two rubber pads (34), the sliding strips (37) with T-shaped cross sections are arranged on the surface of the protective cloth (35) at equal intervals, the sliding strips (37) are connected to the inside of the clamping grooves (38) in a sliding mode, the protective cloth (35) is clamped between the mounting seat (12) and the pressing plate (26), the limiting rods (39) with dry-shaped cross sections are connected to the inside of the two push plates (33) in a sliding mode, one ends of the two limiting rods (39) extend to the inside of the clamping grooves (38), and the limiting rods (39) are abutted to the sliding strips (37) inside the clamping grooves (38), the second springs (39a) are clamped between the push plate (33) and the limiting rod (39).

6. A device according to claim 3, wherein the device comprises: the limiting mechanism (4) comprises a side plate (41), a movable plate (42), a sliding rod (43), a third spring (44), a clamping column (45) and fixed teeth (46), the fixed teeth (46) are welded on the inner wall of the mounting seat (12) at equal intervals, the movable plate (42) with the cross section in a square-shaped structure is connected to the side wall of the supporting plate (21) in a sliding mode, the clamping column (45) clamped with the fixed teeth (46) is welded at the bottom of the movable plate (42), the sliding rod (43) with the welding section in a T-shaped structure is welded at the top of the movable plate (42), the side plates (41) are welded on the side walls of the two support plates (21) relatively, the two groups of sliding rods (43) are connected with the two groups of side plates (41) in a sliding mode respectively, and the third springs (44) are clamped between the two groups of movable plates (42) and the side plates (41).