CN212816372U

CN212816372U - Wound opening device for thoracotomy

Info

Publication number: CN212816372U
Application number: CN202020741647.0U
Authority: CN
Inventors: 贾忠伟
Original assignee: First Affiliated Hospital of Nanyang Medical College
Current assignee: First Affiliated Hospital of Nanyang Medical College
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-03-30
Anticipated expiration: 2030-05-08

Abstract

A wound opening device for an open-chest operation effectively solves the problems of low adjustment precision, time and labor waste of the existing opening device; the screw rod type rectangular shell comprises a rectangular shell in the left and right directions, wherein left and right ends in the rectangular shell are respectively provided with a left axial screw rod and a right axial screw rod which can rotate, the left and right sides in the rectangular shell are respectively connected with a rectangular block in a sliding manner, the rectangular block is in threaded connection with the screw rods on the corresponding sides, the left and right sides of the front side wall of the rectangular shell are respectively provided with a rectangular groove which is communicated in the front and back directions, the front end of the rectangular block is provided with an inverted L-shaped push rod which extends out of the rectangular groove on the corresponding side, the lower end of the push rod is provided with inverted L-shaped supporting plates, the openings of the two supporting plates are opposite, the left and right sides below the rectangular; the novel multifunctional electric heating cooker is simple in structure, novel in conception, convenient to use and high in practicability.

Description

Wound opening device for thoracotomy

Technical Field

The utility model relates to the technical field of thoracic cavity surgical instruments, in particular to a wound opening device for thoracotomy.

Background

Clinically, some heart diseases, lung diseases, esophagus diseases and the like all need to be treated by a chest opening operation, in the chest opening operation, a sternum needs to be opened by using a wound opening device after being opened, but the traditional opening device mostly uses a gear and rack to cooperate to open the wound, but the unit length of the gear and rack cooperation adjustment is long, the opening distance cannot be finely adjusted, the opening distance is not easy to control, the stress of the sternum and ribs is increased when the opening distance is too large, the sternum and ribs are easy to fracture, and the traditional opening device needs to be held by hands of medical staff for fixation, so that the time and labor are wasted, and the operation space is occupied.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to compensate the deficiency of the prior art, the utility model aims to provide an open chest operation wound struts device, the effectual current distraction device of having solved adjusts the precision low, and the problem that wastes time and energy.

The technical scheme of its solution is, the utility model discloses a left right direction's rectangle shell, both ends are equipped with respectively about in the rectangle shell axial and rotatable screw rod, left and right sides difference sliding connection has the rectangular block in the rectangle shell, the rectangular block is rather than the screw rod threaded connection who corresponds the side, the rectangular channel that link up around the lateral wall left and right sides was seted up respectively before the rectangle shell, the rectangular block front end is equipped with down L shape and stretches out its push rod that corresponds the side rectangular channel, the push rod lower extreme is equipped with the fagging of falling L shape, two fagging openings back of the body mutually, the rectangle shell below left and right sides is equipped with the rectangular cylinder of direction from top to bottom respectively, sliding connection has the bracer of direction from top to bottom in the rectangular cylinder, the bracer.

Compared with the prior art, the beneficial effects of the utility model are that: the screw rod that is equipped with, first bevel gear, the fagging etc., can be to the strut apart from fine setting of patient's wound, the medical personnel of being convenient for adjust to suitable strut distance, prevent to lead to patient's sternum fracture because the strut distance is too big, the rectangle section of thick bamboo that is equipped with, the spacer, the double-screw bolt etc., can place the rectangle shell on the operating table, replace artifical support, time saving and labor saving, the height that can adjust the rectangle shell simultaneously, adapt to different patients ' size, the rectangle board that is equipped with, can increase the stability of rectangle shell, prevent to produce in the operation and rock, the silica gel pad that is equipped with, fagging direct contact sternum can be avoided, prevent to cause the damage to the sternum, this simple structure, the design.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a full-section top perspective view of the utility model.

Fig. 3 is a full-section rear-view axonometric view of the utility model.

Fig. 4 is a rear perspective view of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4, rectangle shell 1 including the left and right directions, both ends are equipped with respectively about in the rectangle shell 1 axial and rotatable screw rod 2, left and right sides sliding connection has rectangular block 3 respectively in the rectangle shell 1, rectangular block 3 and its screw rod 2 threaded connection who corresponds the side, rectangular channel 4 that link up around both sides were seted up respectively about the lateral wall before the rectangle shell 1, rectangular block 3 front end is equipped with down L shape and stretches out its push rod 5 that corresponds side rectangular channel 4, push rod 5 lower extreme is equipped with the fagging 6 of down L shape, two fagging 6 openings back to the back mutually, rectangle shell 1 below left and right sides is equipped with rectangular cylinder 7 of direction from top to bottom respectively, sliding connection has the bracer 8 of direction from top to bottom in the rectangular cylinder 7, bracer 8 upper end stretches out rectangular cylinder 7 and 1 fixed connection with rectangle shell.

In order to facilitate the rotation of the screw rods 2, a first bevel gear 9 positioned between the two screw rods 2 is rotatably connected in the rectangular shell 1 through a rotating shaft 19 in the vertical axial direction, second bevel gears 10 meshed with the first bevel gears 9 are respectively and coaxially arranged at the opposite ends of the two screw rods 2, and a rotating handle 11 is coaxially arranged at the upper end of the rotating shaft 19 and penetrates through the rectangular shell 1.

In order to facilitate medical staff to directly observe the distraction distance, the rear side wall of the rectangular shell 1 is provided with a waist-shaped groove 12 which is in the left-right direction and is through from front to back, the rear end of the rectangular block 3 is provided with a pointer 13 extending out of the waist-shaped groove 12, and the rear end of the rectangular shell 1 is provided with scale marks 14 which are positioned above the waist-shaped groove 12 and are uniformly distributed along the left-right direction.

In order to prevent the sternum of the patient from being damaged, the back surfaces of the two supporting plates 6 are respectively provided with a silica gel pad 15.

In order to fix the supporting block 8 conveniently, the outer side wall of the rectangular cylinder 7 is in threaded connection with a stud 16, the inner end face of the stud 16 can be in contact with the outer end face of the supporting block 8, and the outer end of the stud 16 is provided with a turntable 17.

For stability, the lower end of the rectangular cylinder 7 is provided with a rectangular plate 18.

When the utility model is used, firstly, the corresponding reading of the scale marks 14 is set to be gradually increased from the middle to the two sides, the scale of the middle is 0, the scale of the left end and the scale of the right end are the largest, the two rectangular plates 18 are respectively arranged on the operating tables at the two sides of the patient body, the supporting plate 6 is positioned right above the chest of the patient, the rotating disc 17 is rotated outwards, the rotating disc 17 drives the stud 16 to move outwards, the inner end surface of the stud 16 is separated from the outer end surface of the supporting block 8 after moving for a certain distance, the limit to the supporting block 8 is released, the supporting block 8 is adjusted upwards or downwards according to the height of the chest of a patient, the supporting block 8 slides upwards or downwards in the rectangular cylinder 7, the rotating disc 17 is rotated inwards when the lower end of the supporting plate 6 is positioned in the sternum wound, the rotating disc 17 drives the stud 16 to move inwards, the inner end face of the stud 16 is contacted with the outer end face of the supporting block 8 after moving for a certain distance, and the supporting block 8 is pressed inwards, so that the supporting block 8 is limited;

the rotating handle 11 is rotated clockwise, the rotating handle 11 drives the rotating shaft 19 to rotate clockwise, the rotating shaft 19 drives the first bevel gear 9 to rotate clockwise, the rotating shaft 19 drives the screw rods 2 to rotate through the second bevel gear 10, the two screw rods 2 respectively drive the rectangular blocks 3 on the corresponding sides to slide back and forth in the rectangular shell 1, the rectangular blocks 3 drive the supporting plates 6 to slide back and back through the push rod 5, the sternum wound is expanded, and the silica gel pad 15 can protect the sternum of a patient;

3 outside gliding while of rectangular block drive pointer 13 outwards remove in waist type groove 12, medical personnel can be according to the 14 direct observation of scale mark the wound distance that struts, prevent to strut the too big patient's sternum and rib of distance and cause the damage, after the operation, anticlockwise rotation changes 11, it drives 19 anticlockwise rotations of pivot to change 11, pivot 19 drives screw rod 2 through second bevel gear 10 and rotates, two screw rods 2 drive its rectangular block 3 that corresponds the side respectively and slide relatively in rectangular shell 1, rectangular block 3 drives 6 relative sliding of fagging through push rod 5, get back to initial position after sliding a section distance, can from the operating table with this device.

Claims

1. A wound opening device for thoracotomy comprises a rectangular shell (1) in the left and right directions, and is characterized in that left and right ends in the rectangular shell (1) are respectively provided with a screw rod (2) which is axial and rotatable left and right, the left and right sides in the rectangular shell (1) are respectively connected with a rectangular block (3) in a sliding manner, the rectangular block (3) is in threaded connection with the screw rod (2) on the corresponding side, the left and right sides of the front side wall of the rectangular shell (1) are respectively provided with a rectangular groove (4) which is through from front to back, the front end of the rectangular block (3) is provided with a push rod (5) which is inverted L-shaped and extends out of the rectangular groove (4) on the corresponding side, the lower end of the push rod (5) is provided with inverted L-shaped supporting plates (6), the openings of the two supporting plates (6) are opposite to each other, the left and right sides below the rectangular shell, the upper end of the supporting block (8) extends out of the rectangular cylinder (7) and is fixedly connected with the rectangular shell (1).

2. The wound opening device for the thoracotomy according to claim 1, characterized in that a first bevel gear (9) between the two screws (2) is rotatably connected in the rectangular shell (1) through a rotating shaft (19) in the vertical axial direction, the opposite ends of the two screws (2) are respectively and coaxially provided with a second bevel gear (10) engaged with the first bevel gear (9), and the upper end of the rotating shaft (19) penetrates through the rectangular shell (1) and is coaxially provided with a rotating handle (11).

3. The wound opening device for the thoracotomy according to claim 1, characterized in that a left-right through waist-shaped groove (12) is formed in the rear side wall of the rectangular shell (1), a pointer (13) extending out of the waist-shaped groove (12) is arranged at the rear end of the rectangular block (3), and scale marks (14) which are uniformly distributed along the left-right direction and are positioned above the waist-shaped groove (12) are arranged at the rear end of the rectangular shell (1).

4. The wound opening device for the thoracotomy according to claim 1, characterized in that silicone pads (15) are respectively arranged on the back surfaces of the two supporting plates (6).

5. The open-chest surgical wound strutting arrangement of claim 1, characterized in that the outer side wall of the rectangular cylinder (7) is connected with a stud (16) in a threaded manner, the inner end face of the stud (16) can be contacted with the outer end face of the support block (8), and the outer end of the stud (16) is provided with a turntable (17).

6. The wound-spreading device for open-chest surgery according to claim 1, characterized in that the rectangular tube (7) is provided with a rectangular plate (18) at the lower end.