CN211325231U

CN211325231U - Chest cavity opening device for cardiac surgery

Info

Publication number: CN211325231U
Application number: CN201920217909.0U
Authority: CN
Inventors: 厉忠逵; 刘雯波; 李永红
Original assignee: Guizhou Provincial Peoples Hospital
Current assignee: Guizhou Provincial Peoples Hospital
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2020-08-25
Anticipated expiration: 2029-02-15

Abstract

The utility model relates to a thoracic cavity expanding device for cardiac surgery, which relates to the technical field of medical instruments.A sliding seat is slidably sleeved on a cross rod of a portal frame; the bottom of the sliding seat is rotatably provided with a spreading mechanism, and the upper end of the pin shaft is fixedly inserted at the bottom of the sliding seat after rotating to penetrate through the upper side wall of the first caliper arm; a first fixing hoop is rotatably arranged on the inner wall of the left side of the door-shaped frame through a bearing, a guide rod is movably arranged on the inner wall of the right side of the door-shaped frame in a penetrating manner, a second fixing hoop is fixedly arranged at the left end of the guide rod, a limiting cap is fixedly connected at the right end of the guide rod, and the limiting cap is abutted against the right side wall of the door-shaped frame; the compression spring is fixedly sleeved on the guide rod between the right side wall of the door-shaped frame and the right side wall of the second fixing hoop, when the skin tissue of the thoracic cavity is propped open, the device can be prevented from being excessively displaced, the stability of the device is increased, the discomfort of a patient is reduced, and meanwhile, the propping range of the device is increased, so that the visual field of medical personnel is wider, and the operation is convenient to perform.

Description

Chest cavity opening device for cardiac surgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to cardiac surgery thorax distraction device.

Background

Chest heart surgery need open the patient thorax and operate when carrying out the operation treatment, in the past because the patient needs physiology breathing, and the thorax is in constantly the contraction state, influences medical staff and operates the operation, and original distraction device is because stability is not high, adjusts very difficultly, and the size that can not be accurate hold the distraction appears unexpected very easily in the art, has improved doctor's the operation degree of difficulty, has increased patient's misery.

The thorax distraction device among the prior art can take place to remove, has reduced the stability that supports the thorax, and has increased patient's uncomfortable sense, and in addition, current distraction device is when carrying out the thorax and support, and the area of contact of bracing piece and thorax is little, and the supporting effect is poor, and the scope of strutting is limited, the operation of being not convenient for goes on, awaits urgent need to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's cardiac surgery thorax distraction device, when strutting the skin tissue of thorax, can prevent that the device is whole to take place too big displacement, increased the stability of device, reduced patient's uncomfortable and felt, simultaneously, increased the distraction scope of device for medical personnel's the field of vision is wider, going on of the operation of being convenient for.

In order to achieve the above object, the utility model adopts the following technical scheme: it comprises a spreading mechanism; the opening mechanism comprises a first clamp arm, a second clamp arm, a pin shaft and a telescopic rod; the first clamp arm and the second clamp arm are arranged in a crossed manner, and the crossed parts of the first clamp arm and the second clamp arm are rotationally connected through a pin shaft; a telescopic rod is arranged between the front ends of the first tong arm and the second tong arm, the left end of the telescopic rod is hinged with the right side wall of the front end of the second tong arm, and the right end of the telescopic rod is hinged with the left side wall of the front end of the first tong arm; the device also comprises a door-shaped frame, a first fixing hoop, a second fixing hoop, a guide rod, a compression spring, a limiting cap, a sliding seat and a fastening hand; a sliding seat is slidably sleeved on the cross rod of the door-shaped frame, the upper part of the sliding seat is rotatably connected with a fastening hand screw through threads, and the inner end of the fastening hand screw is abutted against the upper side wall of the door-shaped frame; the bottom of the sliding seat is rotatably provided with a spreading mechanism, and the upper end of the pin shaft is fixedly inserted at the bottom of the sliding seat after rotating to penetrate through the upper side wall of the first caliper arm; a first fixing hoop is rotatably arranged on the inner wall of the left side of the door-shaped frame through a bearing, a guide rod is movably arranged on the inner wall of the right side of the door-shaped frame in a penetrating manner, a second fixing hoop is fixedly arranged at the left end of the guide rod, a limiting cap is fixedly connected at the right end of the guide rod, and the limiting cap is abutted against the right side wall of the door-shaped frame; the fixed cover is equipped with compression spring on the guide bar between the right side wall of door shape frame and No. two fixed hoops, and compression spring's left end and No. two fixed hoops ' right side wall contradict the setting, and compression spring's right-hand member and the inside wall on door shape frame right side are inconsistent to be set up.

Furthermore, the telescopic rod is a single-leg double-section electric lifting rod; the telescopic rod is connected with an external power supply.

Furthermore, the right side wall of the first fixing hoop and the left side wall of the second fixing hoop are both fixedly provided with flexible gaskets.

Furthermore, the rear end of the first clamp arm and the rear end of the second clamp arm are both arc-shaped.

Furthermore, rubber pads are fixedly arranged on the left side wall of the rear end of the first clamp arm and the right side wall of the rear end of the second clamp arm, and the cross sections of the rubber pads are arranged in an arc shape.

Furthermore, the limiting cap is replaced by a pull ring.

After the structure is adopted, the utility model discloses beneficial effect does: a cardiac surgery thorax distraction device, when strutting the cutaneous tissue of thorax, can prevent to install whole emergence too big displacement, increased the stability of device, reduced patient's uncomfortable and felt, simultaneously, increased the range of strutting of device for medical personnel's the field of vision is wider, going on of being convenient for perform the operation, the utility model has the advantages of simple structure sets up rationally, the cost of manufacture is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of the spreading mechanism of the present invention.

Fig. 4 is a schematic view of a connection structure between a rubber pad and a first caliper arm according to the present invention.

Fig. 5 is a schematic structural diagram of the second embodiment.

Description of reference numerals:

the clamp comprises a support mechanism 1, a first clamp arm 1-1, a second clamp arm 1-2, a pin shaft 1-3, a telescopic rod 1-4, a door-shaped frame 2, a first fixing hoop 3, a second fixing hoop 4, a guide rod 5, a compression spring 6, a limiting cap 7, a sliding seat 8, a fastening hand screw 9, a flexible gasket 10, a rubber pad 11 and a pull ring 12.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: it comprises a spreading mechanism 1; the opening mechanism 1 comprises a first clamp arm 1-1, a second clamp arm 1-2, a pin shaft 1-3 and a telescopic rod 1-4; the first clamp arm 1-1 and the second clamp arm 1-2 are arranged in a crossed manner, the crossed parts of the first clamp arm and the second clamp arm are rotatably connected through a pin shaft 1-3, and the connection mode is the same as that of the scissors in the prior art in structure and principle; a telescopic rod 1-4 is arranged between the front ends of the first tong arm 1-1 and the second tong arm 1-2, the left end of the telescopic rod 1-4 is hinged with the right side wall of the front end of the second tong arm 1-2, a structure that a rotating shaft is rotatably arranged in the middle of a fixed seat is adopted for hinging, and the right end of the telescopic rod 1-4 is hinged with the left side wall of the front end of the first tong arm 1-1; the device also comprises a door-shaped frame 2, a first fixing hoop 3, a second fixing hoop 4, a guide rod 5, a compression spring 6, a limiting cap 7, a sliding seat 8 and a fastening hand screw 9; a sliding seat 8 is slidably sleeved on a cross rod of the portal frame 2, the upper part of the sliding seat 8 is rotatably connected with a fastening hand screw 9 through threads, the inner end of the fastening hand screw 9 is abutted against the upper side wall of the portal frame 2, and the fastening hand screw 9 can fix the sliding seat 8 on the portal frame 2; the bottom of the sliding seat 8 is rotatably provided with a spreading mechanism 1, and the upper end of a pin shaft 1-3 is fixedly inserted at the bottom of the sliding seat 8 after rotating to penetrate through the upper side wall of the first caliper arm 1-1; a first fixing hoop 3 is rotatably arranged on the inner wall of the left side of the door-shaped frame 2 through a bearing, a guide rod 5 is movably arranged on the inner wall of the right side of the door-shaped frame 2 in a penetrating manner, a second fixing hoop 4 is fixedly welded on the left end of the guide rod 5, a limiting cap 7 is fixedly welded on the right end of the guide rod 5, and the limiting cap 7 is abutted against the right side wall of the door-shaped frame 2; the fixed cover is equipped with compression spring 6 on the guide bar 5 between the right side wall of door shape frame 2 and the right side wall of No. two fixed hoops 4, and compression spring 6's left end and No. two fixed hoops 4's right side wall contradict the setting, and compression spring 6's right-hand member and the inside wall on door shape frame 2 right side contradict the setting.

Furthermore, the telescopic rods 1 to 4 are single-leg double-section electric lifting rods of SMR-300 in model; the telescopic rod 1-4 is connected with an external power supply, so that the included angle between the first tong arm 1-1 and the second tong arm 1-2 can be adjusted more conveniently.

Furthermore, the right side wall of the first fixing hoop 3 and the left side wall of the second fixing hoop 4 are both fixedly provided with flexible gaskets 10, so that the friction force of the first fixing hoop 3 and the second fixing hoop 4 fixed on two sides of the body of a patient is increased, and the device is prevented from sliding integrally.

Furthermore, the rear ends of the first tong arm 1-1 and the second tong arm 1-2 are both arc-shaped, so that the spreading area is further increased.

Furthermore, rubber pads 11 are fixedly arranged on the left side wall of the rear end of the first clamp arm 1-1 and the right side wall of the rear end of the second clamp arm 1-2, the cross sections of the rubber pads 11 are arranged in an arc shape, and the damage of the hard first clamp arm 1-1 and the hard second clamp arm 1-2 to a wound needing to be propped open is reduced.

The working principle of the specific embodiment is as follows: when medical personnel carry out thoracic cavity operation on a patient and need to open a wound, the device is placed near the wound of the patient, the distance between the first fixing hoop 3 and the second fixing hoop 4 is adjusted, the upper body of the patient is clamped by the first fixing hoop 3 and the second fixing hoop 4, at the moment, the reverse compression force of the compression spring 6 can lift the force of the first fixing hoop 3 and the second fixing hoop 4 which are abutted against the two sides of the body of the patient, and the device is integrally fixed on the upper part of the upper body of the patient; then, the rear ends of the first forceps arm 1-1 and the second forceps arm 1-2 are unfolded on the wound, and the telescopic rod 1-4 is connected with an external power supply, so that the first forceps arm 1-1 and the second forceps arm 1-2 are tightly collapsed with skin tissues on the wound, the door-shaped frame 2 cannot shield the view of collapsing the wound, and the operation is more convenient to carry out.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the first fixing hoop 3 and the second fixing hoop 4 fix the whole device on two sides of the body of a patient, so that when skin tissues of the thoracic cavity are expanded, the whole device can be prevented from being excessively displaced, the stability of the device is improved, and the discomfort of the patient is reduced;

2. the first forceps arm 1-1 and the second forceps arm 1-2 are arranged in a scissor shape, and the door-shaped frame 2 cannot shield the view of the wound, so that the opening range of the device is increased, the view of medical personnel is wider, and the operation is convenient to carry out.

The second embodiment is as follows:

referring to fig. 5, the present embodiment differs from the first embodiment in that: spacing cap 7 replace for pull ring 12, when installing whole fixed patient's health both sides, need move the No. two fixed hoops 4 right, pull ring 12 can conveniently pull guide bar 5 right, can enough carry on spacingly with guide bar 5, can pull guide bar 5 right again, all the other structure and principle all are the same with embodiment one.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A thoracic cavity expanding device for cardiac surgery, which comprises an expanding mechanism (1); the opening mechanism (1) comprises a first clamp arm (1-1), a second clamp arm (1-2), a pin shaft (1-3) and a telescopic rod (1-4); the first clamp arm (1-1) and the second clamp arm (1-2) are arranged in a crossed manner, and the crossed parts of the first clamp arm and the second clamp arm are rotationally connected through a pin shaft (1-3); a telescopic rod (1-4) is arranged between the front ends of the first tong arm (1-1) and the second tong arm (1-2), the left end of the telescopic rod (1-4) is hinged with the right side wall of the front end of the second tong arm (1-2), and the right end of the telescopic rod (1-4) is hinged with the left side wall of the front end of the first tong arm (1-1); the method is characterized in that: the device also comprises a door-shaped frame (2), a first fixing hoop (3), a second fixing hoop (4), a guide rod (5), a compression spring (6), a limiting cap (7), a sliding seat (8) and a fastening hand screw (9); a sliding seat (8) is slidably sleeved on a cross rod of the door-shaped frame (2), the upper part of the sliding seat (8) is rotatably connected with a fastening hand screw (9) through threads, and the inner end of the fastening hand screw (9) is abutted against the upper side wall of the door-shaped frame (2); the bottom of the sliding seat (8) is rotatably provided with an opening mechanism (1), and the upper end of a pin shaft (1-3) is fixedly inserted at the bottom of the sliding seat (8) after rotating to penetrate through the upper side wall of the first tong arm (1-1); a first fixing hoop (3) is rotatably arranged on the inner wall of the left side of the door-shaped frame (2) through a bearing, a guide rod (5) is movably arranged on the inner wall of the right side of the door-shaped frame (2) in a penetrating manner, a second fixing hoop (4) is fixedly arranged at the left end of the guide rod (5), a limiting cap (7) is fixedly connected at the right end of the guide rod (5), and the limiting cap (7) is abutted against the right side wall of the door-shaped frame (2); the fixed cover is equipped with compression spring (6) on guide bar (5) between the right side wall of door shape frame (2) and the right side wall of No. two fixed hoops (4), and the left end of compression spring (6) is contradicted with the right side wall of No. two fixed hoops (4) and is set up, and the right-hand member of compression spring (6) and the inside wall on door shape frame (2) right side are inconsistent and are set up.

2. A cardiac surgical chest distraction device according to claim 1, wherein: the telescopic rods (1-4) are single-leg double-section electric lifting rods; the telescopic rods (1-4) are connected with an external power supply.

3. A cardiac surgical chest distraction device according to claim 1, wherein: and the right side wall of the first fixing hoop (3) and the left side wall of the second fixing hoop (4) are both fixedly provided with flexible gaskets (10).

4. A cardiac surgical chest distraction device according to claim 1, wherein: the rear ends of the first tong arm (1-1) and the second tong arm (1-2) are both arc-shaped.

5. A cardiac surgical chest distraction device according to claim 1, wherein: the left side wall of the rear end of the first clamp arm (1-1) and the right side wall of the rear end of the second clamp arm (1-2) are both fixedly provided with rubber pads (11), and the cross sections of the rubber pads (11) are arranged in an arc shape.

6. A cardiac surgical chest distraction device according to claim 1, wherein: the limiting cap (7) is replaced by a pull ring (12).