Lung fixator

Abstract

The utility model relates to the technical field of lung fixing instruments, in particular to a lung fixator. The lung fixator comprises a fixing plate, and the fixing plate is provided with a first negative pressure channel, a second negative pressure channel, a first connector communicated with the first negative pressure channel and a second connector communicated with the second negative pressure channel. A plurality of negative-pressure suckers communicated with the first negative-pressure channel are arranged on one side of the fixing plate, and a plurality of waste gas suction ports communicated with the second negative-pressure channel are formed in the other side of the fixing plate. The device is simple in structure, lung tissue is adsorbed and fixed through the negative pressure suction cup on one side of the fixing plate, smoke and waste gas generated by electric instruments for operation can be sucked through the second negative pressure channel on the other side of the fixing plate and the communicated waste gas suction port, a good operation environment is provided for a narrow operation space, operation and use are convenient, and the practicability is high. And the method has great popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of lung fixation instruments, and specifically refers to a lung fixator. Background Technique

[0002] During thoracotomy, such as coronary artery bypass grafting, it is necessary to fix the tissues and organs near the heart to expand the surgical space and avoid affecting the surgical field of view. Due to the physiological structure characteristics of the lungs, they occupy the surgical space and block the surgical field of view, so instruments are needed to assist in fixing the lung tissues.

[0003] Patent Publication No. "CN217772404U" discloses a cardiac surface traction and flattening structure and a cardiac fixator. This cardiac surface traction and flattening structure uses two pressure feet, and the two pressure feet are hinged to form a U-shaped pressure foot with an adjustable aperture at the U-shaped end. The U-shaped pressure foot can be adsorbed on the cardiac surface by internal negative pressure. The position of the U-shaped pressure foot is connected and fixed through a universal arm, so as to weaken the myocardial movement in the central area of the U-shaped pressure foot, and then provide a stable surgical field. This device is suitable for adsorbing on the cardiac surface to slow down myocardial movement. Its adsorption contact area is small, and when the lung tissue collapses insufficiently, the effect of adsorbing and fixing the lung tissue is average; and it cannot aspirate the waste gas generated by surgical instruments. Content of the Utility Model

[0004] The main purpose of the utility model is to solve the deficiencies of the above background technique, and provide a lung fixator that can effectively fix lung tissues and aspirate waste gas.

[0005] The technical solution adopted by the utility model is: a lung fixator, which includes a fixing plate. The fixing plate is provided with a first negative pressure channel, a second negative pressure channel, a first interface communicating with the first negative pressure channel, and a second interface communicating with the second negative pressure channel; on one side of the fixing plate, there are multiple negative pressure suction cups communicating with the first negative pressure channel, and on the other side, there are multiple waste gas suction ports communicating with the second negative pressure channel.

[0006] Furthermore, it also includes a light source assembly arranged on the fixing plate; the light source assembly and the waste gas suction port are located on the same side of the fixing plate.

[0007] Furthermore, an air vent valve is arranged on the first interface and / or the second interface.

[0008] Furthermore, the air vent valve includes a baffle plate and an adjusting plate rotatably connected to the baffle plate; the baffle plate is fixedly connected to the first interface or the second interface and is provided with a first ventilation hole; the adjusting plate is provided with a second ventilation hole; when the adjusting plate rotates relative to the baffle plate, the overlapping area of the first ventilation hole and the second ventilation hole can be adjusted.

[0009] Further, a plurality of first negative pressure channels and a first collecting channel communicating with the plurality of first negative pressure channels are provided on the fixing plate; the first collecting channel communicates with the first interface.

[0010] Further, the first negative pressure channels are arranged in parallel.

[0011] Further, a plurality of second negative pressure channels and a second collecting channel communicating with the plurality of second negative pressure channels are provided on the fixed disk; the second collecting channel communicates with the second interface.

[0012] Further, the second negative pressure channels are arranged in parallel.

[0013] Further, the negative pressure suction cup is detachably arranged on the fixing plate.

[0014] Further, the negative pressure suction cup is detachably arranged on the fixing plate; the negative pressure suction cup includes a mounting pipe and a suction cup in a conical shape fixed at the end of the mounting pipe.

[0015] Further, the negative pressure suction cup further includes an extension disk arranged at one end of the suction cup away from the mounting pipe.

[0016] Further, a threaded hole communicating with the first negative pressure channel is provided on the fixing plate; the mounting pipe is threadedly connected to the threaded hole.

[0017] Further, the light source assembly includes a lamp strip arranged on the fixing plate; a plurality of lighting lamps are arranged on the lamp strip.

[0018] Further, a protective cover is arranged outside the lighting lamp.

[0019] Further, a universal arm is further included; the fixing plate is rotatably connected to the universal arm.

[0020] Further, the corners of the fixing plate are in an arc structure.

[0021] The beneficial effects of the present utility model include: 1. The area of the fixing plate of the present utility model is relatively large, which can improve the effect of adsorbing and fixing lung tissues, and avoid damage to lung tissues caused by increasing the negative pressure attraction to increase the adsorption effect; through the second negative pressure channel on one side of the fixing plate and the connected waste gas suction port, the smoke and waste gas generated by surgical electrical instruments can be sucked, providing a good surgical environment for a narrow surgical space;

[0022] 2. The light source assembly on the fixing plate of the present utility model is located on the same side as the waste gas suction port, which can provide sufficient illumination light in the thoracic cavity and provide a good surgical vision environment;

[0023] 3. The first interface and / or the second interface of the present utility model is provided with a ventilation valve, which is convenient for medical staff to quickly adjust the magnitude of the negative pressure attraction force to make it suitable for adsorbing and fixing lung tissues or adsorbing waste gas, without the need to adjust the suction device that provides negative pressure;

[0024] 4. The ventilation valve structure of the present utility model is very simple, easy to operate and use. By rotating the adjusting plate, the overlapping area of the communication between the first ventilation hole and the second ventilation hole can be adjusted, so as to adjust the magnitude of the negative pressure attraction force transmitted to the negative pressure suction cup and the waste gas suction port;

[0025] 5. Multiple first negative pressure channels of the present utility model communicate with the first interface through the first collecting channel, which is convenient for dispersing the first negative pressure channels on the fixing plate, making the force for the fixing plate to adsorb and fix the lung more uniform;

[0026] 6. Multiple first negative pressure channels are arranged in parallel at intervals, making full use of the area of the fixing plate and facilitating the balance of the attraction force for the fixing plate to adsorb and fix the lung;

[0027] 7. The negative pressure suction cup of the present utility model has a simple structure and is detachably arranged on the fixing plate through the installation pipe, which is convenient for maintenance and replacement of the negative pressure suction cup. The conical suction cup can increase the contact area with lung tissues and improve the adsorption effect;

[0028] 8. The way that the negative pressure suction cup is detachably connected to the fixing plate is very simple. The installation pipe is threadedly connected to the threaded hole on the fixing plate to achieve detachable connection;

[0029] 9. The light source assembly of the present utility model has a simple structure, and the lighting lamps are arranged to form a light strip, which is convenient for production and manufacturing;

[0030] 10. The position of the fixing plate can be adjusted through the universal arm. After the fixing plate adsorbs and fixes the lung tissue, the universal arm is moved to move the lung tissue to the required position to broaden the surgical field of view.

[0031] The present utility model has a simple structure, is easy to operate and use. The lung tissue is adsorbed and fixed through the negative pressure suction cup on one side of the fixing plate. Through the second negative pressure channel and the connected waste gas suction port on the other side of the fixing plate, the smoke and waste gas generated by surgical instruments can be aspirated, providing a good surgical environment for a narrow surgical space, and having great popularization value. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 : The three-dimensional structure schematic diagram of the present utility model;

[0033] Figure 2 : A side view structure schematic diagram of the fixing plate of the present utility model;

[0034] Figure 3 : The other side view structure schematic diagram of the fixing plate of the present utility model;

[0035] Figure 4 : Schematic structural diagram of the ventilation valve of the present utility model;

[0036] Figure 5 : Schematic structural diagram of the negative pressure suction cup of the present utility model;

[0037] Figure 6 : Front view structural diagram of the negative pressure suction cup of the present utility model;

[0038] Among them: 1 - fixing plate; 2 - first negative pressure channel; 3 - second negative pressure channel; 31 - waste gas suction port; 4 - first interface; 5 - second interface; 6 - negative pressure suction cup; 61 - mounting pipe; 62 - suction cup; 63 - extension plate; 8 - light source assembly; 81 - lighting lamp; 9 - ventilation valve; 91 - baffle; 911 - first ventilation hole; 92 - adjusting plate; 921 - second ventilation hole. Detailed implementation manners

[0039] The embodiments of the present utility model will be described in detail below. The same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation of the present utility model.

[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0041] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0042] The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] The utility model relates to a lung fixator for fixing lung tissue, which solves the problems of general effect of fixing lung tissue and residual waste gas. During thoracotomy, due to its own physiological structure or insufficient collapse, the lung tissue will occupy the surgical space and block the surgical field of view; for example, in the surgery that requires using the internal thoracic artery for coronary artery bypass grafting, the lung tissue occupies the operation space and obstructs the view. One side of the fixing plate 1 of the utility model can adsorb the surface of the lung through the first negative pressure channel 2 and the connected negative pressure suction cup 6. Compared with the U-shaped structure, the fixing plate 1 increases the adsorption contact area, improves the adsorption and fixing effect, and avoids damaging the lung tissue due to increasing the negative pressure attraction to increase the adsorption effect; the waste gas generated by surgical instruments can be aspirated through the second negative pressure channel 3 and the connected waste gas suction port 31 provided on the other side of the fixing plate 1, so as to achieve the purpose of effectively fixing the lung tissue and aspirating the waste gas.

[0044] A lung fixator, as Figures 1 to 6 shown, includes a fixing plate 1, on which there are a first negative pressure channel 2, a second negative pressure channel 3, a first interface 4 connected to the first negative pressure channel 2, and a second interface 5 connected to the second negative pressure channel 3; the first interface 4 and the second interface 5 are respectively used to connect the negative pressure suction tube to provide negative pressure attraction; on one side of the fixing plate 1, there are a plurality of negative pressure suction cups 6 connected to the first negative pressure channel 2, and on the other side, there are a plurality of waste gas suction ports 31 connected to the second negative pressure channel 3. Preferably, the corners of the fixing plate 1 are of an arc structure to avoid scratching human tissues. The negative pressure suction cups 6 on one side of the fixing plate 1 can adsorb and fix the lung tissue, and the waste gas suction ports 31 on the other side can aspirate the gases such as smoke and waste gas generated by surgical electrical instruments that affect surgical operation.

[0045] In a certain embodiment, the fixing plate 1 is improved. Specifically, as Figures 1 to 2 shown, the lung fixator of the present invention further includes a light source assembly 8 provided on the fixing plate 1; the light source assembly 8 and the waste gas suction port 31 are located on the same side of the fixing plate 1. When one side of the fixing plate 1 adsorbs on the lung tissue, the light source assembly 8 on the other side can provide sufficient illumination light to provide a good visual environment for thoracotomy.

[0046] In some embodiments, as Figures 1 to 3 shown, an air vent valve 9 is provided on the first interface 4 and / or the second interface 5, that is, the air vent valve 9 is provided on the first interface 4 or the second interface 5 or both the first interface 4 and the second interface 5. The air vent valve 9 can adjust the negative pressure attraction of the negative pressure suction cups 6 and the waste gas suction ports 31, which is convenient for medical staff to quickly and directly adjust the magnitude of the negative pressure attraction, so that the attraction of the negative pressure suction cups 6 and the waste gas suction ports 31 is suitable for adsorbing and fixing the lung tissue and aspirating the waste gas, without the need to adjust the suction device that provides the negative pressure.

[0047] On the basis that the air vent valve 9 is provided on the first interface 4 and / or the second interface 5, in some embodiments, the air vent valve 9 is described, asFigure 4 As shown in the figure, the ventilation valve 9 includes a baffle 91 and an adjusting plate 92 rotatably connected to the baffle 91; the baffle 91 is fixedly connected to the first interface 4 or the second interface 5, and is provided with a first ventilation hole 911; the adjusting plate 92 is provided with a second ventilation hole 921; the first ventilation hole 911 can communicate with the second ventilation hole 921 when the adjusting plate 92 rotates relative to the baffle 91; when the adjusting plate 92 rotates relative to the baffle 91, the overlapping area (i.e., the communication area) of the first ventilation hole 911 and the second ventilation hole 921 can be adjusted to realize the adjustment of the suction force of negative pressure suction.

[0048] The way of rotatably connecting the baffle 91 and the adjusting plate 92 can be realized by a threaded structure. For example, an external thread is provided on the outer circumference of the baffle 91, and an annular threaded tube is fixedly provided on the outer circumference of the adjusting plate 92. An internal thread corresponding to the external thread of the baffle 91 is provided in the threaded tube. The adjusting plate 92 is threadedly connected to the baffle 91 through the threaded tube. When the adjusting plate 92 rotates, the second ventilation hole 921 rotates accordingly, and the overlapping area with the first ventilation hole 911 can be adjusted. Preferably, the first ventilation holes 911 are arranged at intervals on the baffle 91, and the second ventilation holes 921 are arranged at intervals on the adjusting plate 92. When the adjusting plate 92 rotates, it can completely block a plurality of first ventilation holes 911 to achieve no air flow through, that is, close the valve.

[0049] On the basis that the fixing plate 1 is provided with the first negative pressure channel 2 and the first interface 4, as Figure 3 shown, the fixing plate 1 is provided with a plurality of first negative pressure channels 2 and a first collecting channel communicating with the plurality of first negative pressure channels 2; the first collecting channel communicates with the first interface 4. The plurality of first negative pressure channels 2 can be dispersedly arranged on the fixing plate 1 to make full use of the area of the fixing plate 1, enhance the adsorption and fixing effect, and at the same time make the force of the fixing plate 1 adsorbing and fixing the lungs more uniform. Preferably, the plurality of first negative pressure channels 2 are arranged in parallel at intervals, which is beneficial to balancing the suction force of the fixing plate 1 for adsorbing and fixing the lungs.

[0050] Similarly, the fixing plate 1 is provided with a plurality of second negative pressure channels 3 and a second collecting channel communicating with the plurality of second negative pressure channels 3; the second collecting channel communicates with the second interface 5; preferably, the second negative pressure channels 3 are arranged in parallel at intervals to improve the suction effect of the fixing plate 1 on the waste gas.

[0051] In some embodiments, the negative pressure suction cup 6 is specifically described, as Figures 5 to 6As shown, the negative pressure suction cup 6 is detachably provided on the fixed plate 1. The negative pressure suction cup 6 includes an installation pipe 61 and a suction cup 62 in a conical shape fixed at the end of the installation pipe 61. The fixed plate 1 is provided with an installation hole communicating with the first negative pressure channel 2, and the installation pipe 61 is detachably inserted into the installation hole. Preferably, the negative pressure suction cup 6 further includes an extension plate 63 provided at one end of the suction cup 62 away from the installation pipe 61. The contact area with the lung surface can be increased through the extension plate 63. One side of the extension plate 63 away from the suction cup 62 can be a plane, which is attached to the lung tissue surface to improve the air leakage prevention performance of the suction cup 62. The installation pipe 61 made of a flexible material can be inserted into the installation hole with an interference fit, which is convenient for disassembly and installation. At the same time, the detachable setting is convenient for maintenance and replacement of a new negative pressure suction cup 6.

[0052] Based on the fact that the negative pressure suction cup 6 is detachably provided on the fixed plate 1, in some embodiments, the fixed plate 1 is provided with a threaded hole communicating with the first negative pressure channel 2, that is, the installation hole is a threaded hole; the installation pipe 61 is threadedly connected to the threaded hole to achieve detachable connection.

[0053] Based on the fact that the present utility model further includes a light source assembly 8 provided on the fixed plate 1, in a certain embodiment, as Figures 1 to 2 shown, the light source assembly 8 includes a lamp strip provided on the fixed plate 1; a plurality of lighting lamps 81 are provided on the lamp strip, that is, a plurality of lighting lamps 81 are arranged at intervals in a strip shape to form the lamp strip; preferably, multiple lamp strips are arranged in parallel at intervals, and a lamp cover is provided outside the lighting lamp 81 to make the light emitted by the lighting lamp 81 softer and avoid the direct light of the lighting lamp 81 from affecting the operation of medical staff.

[0054] In a certain embodiment, the lung fixator further includes a universal arm, and one end of the fixed plate 1 is rotatably connected to the end of the universal arm. The rotational connection method can adopt a hinged connection. A pin shaft can be used to cooperate with the end of the universal arm to achieve the hinge, or a ball hinge connection method can be adopted. When using the ball hinge connection, a clamping portion is provided at the end of the universal arm, and a receiving chamber is provided in the clamping portion. One end of the fixed plate 1 is fixedly provided with a rotating ball for placing in the receiving chamber, and the clamping portion can clamp the rotating ball to improve the flexibility of the orientation setting of the fixed plate 1. As Figure 1 shown, an installation interface is provided at the end of the fixed plate 1, which can be used to fixedly connect hinge members of different hinged methods, and is hinged to the universal arm through the hinge members.

[0055] In actual use, the ventilation valves 9 of the first interface 4 and the ventilation valves 9 of the second interface 5 are respectively connected to the negative pressure suction tube. The attitude of the movable universal arm is adjusted so that the negative pressure suction cup 6 of the fixing plate 1 fits the lung tissue. During this period, the angle at the connection between the fixing plate 1 and the universal arm can be adjusted, and the two ventilation valves 9 are adjusted so that the fixing plate 1 can be adsorbed on the lung tissue. By adjusting the attitude of the universal arm, the lung tissue can be appropriately moved or collapsed to expose a larger surgical space. The smoke and waste gas generated by the surgical electrical instruments can be sucked out through the waste gas suction port 31. At the same time, the light source assembly 8 on the fixing plate 1 can generate sufficient illumination light to provide a good visual environment.

[0056] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lung fixator, characterized in that: The invention comprises a fixing plate (1), on which a first negative pressure channel (2), a second negative pressure channel (3), a first interface (4) connected to the first negative pressure channel (2), and a second interface (5) connected to the second negative pressure channel (3) are provided; one side of the fixing plate (1) is provided with a plurality of negative pressure suction cups (6) connected to the first negative pressure channel (2), and the other side is provided with a plurality of waste gas suction ports (31) connected to the second negative pressure channel (3).

2. A lung fixator according to claim 1, characterized in that: It also includes a light source assembly (8) disposed on the fixed plate (1); the light source assembly (8) and the exhaust gas suction port (31) are located on the same side of the fixed plate (1).

3. A lung fixator as claimed in claim 1, characterized in that: A ventilation valve (9) is provided on the first interface (4) and / or the second interface (5).

4. A lung fixator as claimed in claim 3, characterized in that: The vent valve (9) comprises a baffle (91) and an adjusting plate (92) rotatably connected to the baffle (91); the baffle (91) is fixedly connected to the first interface (4) or the second interface (5) and is provided with a first vent hole (911); the adjusting plate (92) is provided with a second vent hole (921); when the adjusting plate (92) and the baffle (91) rotate relative to each other, the overlapping area of ​​the first vent hole (911) and the second vent hole (921) can be adjusted.

5. A lung fixator according to any one of claims 1 to 4, characterized in that: The fixing plate (1) is provided with a plurality of first negative pressure channels (2) and a first collecting channel connecting the plurality of first negative pressure channels (2); the first collecting channel is connected to the first interface (4).

6. A lung fixator as claimed in claim 5, characterized in that: The first negative pressure channels (2) are arranged in parallel.

7. A lung fixator according to any one of claims 1 to 4, characterized in that: The negative pressure suction cup (6) is detachably mounted on the fixing plate (1); the negative pressure suction cup (6) comprises a mounting tube (61) and a conical suction cup (62) fixed to the end of the mounting tube (61).

8. A lung fixator according to claim 7, characterized in that: The fixing plate (1) is provided with a threaded hole communicating with the first negative pressure channel (2); the mounting tube (61) is threadedly connected to the threaded hole.

9. A lung fixator as claimed in claim 2, characterized in that: The light source assembly (8) comprises a light strip arranged on a fixing plate (1); a plurality of lighting lamps (81) are arranged on the light strip.

10. A lung fixator as claimed in claim 1, characterized in that: It also comprises a universal arm; the fixing plate (1) is rotatably connected to the universal arm.

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