Pleura cavity simulator

Abstract

The utility model relates to the technical field of human organ simulation instruments, and provides a pleural cavity simulator which comprises a simulation thorax and a simulation lung arranged in the simulation thorax, a simulation pleural cavity is formed between the simulation thorax and the simulation lung, a drainage tube is arranged in the simulation pleural cavity, and an air supply cylinder is arranged at the output end of the drainage tube. The air supply cylinder is communicated with external air supply equipment, an air supply cavity is formed in the air supply cylinder, a piston is movably arranged in the air supply cavity, and under the action of the external air supply equipment, the piston is pushed to move, so that air in the air supply cavity circulates into the simulated pleural cavity through the drainage tube, and the simulated pleural cavity realizes external expansion movement. The pleural cavity simulator is simple in structure, can solve the problems that an existing pleural cavity simulator is complex in structure and the structure of the pleural cavity cannot be visually observed, and can also be applied to health education of patients in the clinical perioperative period.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of human organ simulation equipment, specifically is a pleural cavity simulator. BACKGROUND

[0002] Lung cancer is one of the highest incidence of malignant tumors in the world, ranks first in male malignant tumors, is the primary cause of male malignant tumor death, ranks fourth in female malignant tumor incidence, and ranks second in mortality.

[0003] At present, the cultural levels of patients are uneven, how to let all lung disease operation patients understand the related knowledge of the disease through simple and easy way, better cooperate with postoperative nursing. At the same time, promote lung recruitment, shorten the time of indwelling chest closed drainage tube, shorten the hospitalization time, reduce the hospitalization cost, optimize the medical insurance resources, is the original intention of our development of the product. The pleural cavity simulator is extremely rare, and the structure of the pleural cavity simulator is complex, cannot be directly observed, and cannot be applied to the health education of clinical perioperative patients. Therefore, the above problems need to be improved and developed. UTILITY MODEL CONTENT

[0004] The utility model provides a pleural cavity simulator, can solve the problem that the existing pleural cavity simulator structure is complex, cannot be directly observed to the pleural cavity structure, specific implementation mode is as follows:

[0005] A pleural cavity simulator, comprising a simulated thoracic cage, and a simulated lung arranged in the simulated thoracic cage, a simulated pleural cavity is formed between the simulated thoracic cage and the simulated lung, a drainage tube is arranged in the simulated pleural cavity, a gas supply cylinder is arranged at the output end of the drainage tube, the gas supply cylinder is communicated with an external gas supply device, the gas supply cylinder forms a gas supply cavity, a piston is movably arranged in the gas supply cavity, under the action of the external gas supply device, the piston is pushed to move, so that the gas in the gas supply cavity flows to the inside of the simulated pleural cavity through the drainage tube, and the simulated pleural cavity realizes the outward expansion movement.

[0006] Further, a buffer plug is arranged in the gas supply cavity, a flow channel is formed between the buffer plug and the piston, the piston is provided with a chamber corresponding to the buffer plug, the chamber is communicated with the gas supply cavity and the flow channel respectively, and the buffer plug is movably arranged in the chamber.

[0007] Further, the flow channel is a flow guide hole, a flow guide groove is arranged in the chamber, and the flow guide groove is communicated with the gas supply cavity and the flow guide hole respectively.

[0008] Further, an elastic member is arranged in the chamber, and the two ends of the elastic member abut on the piston and the buffer plug respectively.

[0009] Further, the elastic member is a spring, and the buffer plug is reset by the spring when the external force is lost.

[0010] Further, a ring-shaped groove is formed in the gas supply cylinder and is in communication with the external gas supply device, the groove is axially formed at the tail end of the gas supply cylinder, and the end of the piston is axially movably arranged in the groove.

[0011] Further, a limiting groove is formed in the groove wall, and a limiting block is arranged in the limiting groove and is movable along the limiting groove.

[0012] Further, a first connecting member is arranged on the buffer plug, the buffer plug is arranged on the flow guide groove through the first connecting member and is movably connected along the flow guide groove.

[0013] Further, the drainage tube comprises a first pipe and a second pipe, the first pipe is connected with the simulated thoracic cavity, and the second pipe is connected with the gas supply cylinder.

[0014] Further, a sealing structure is arranged between the first pipe and the second pipe, and the sealing structure is used for sealing the gap between the first pipe and the second pipe.

[0015] Due to the above technical scheme, the beneficial technical effects of the present application are as follows:

[0016] 1. The pleural cavity simulator has a simple structure, can solve the problem that the existing pleural cavity simulator has a complex structure and cannot intuitively observe the pleural cavity structure, and can be applied to the health education of patients in the perioperative period.

[0017] 2. The pleural cavity simulator injects gas into the simulated pleural cavity by using the gas supply cylinder and the external gas supply device, simulates the change of the simulated cavity under the condition of surgery and disease, and adjusts the flow of the gas supply cylinder to ensure that the pressing rhythm and pressing force of the simulated human thoracic cavity remain constant.

[0018] 3. The pleural cavity simulator is provided with a sealing structure, which can make the connection between the gas supply cylinder and the simulated pleural cavity more stable, so as to ensure that there is no leakage when gas or liquid is injected, and to intuitively and reliably display the contraction of the simulated human thoracic cavity. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structure diagram of a pleural cavity simulator in the embodiment of the present application;

[0020] Figure 2 is a structure diagram of a pleural cavity simulator in the embodiment of the present application; Figure 1

[0021] Figure 3 is a structure diagram of a pleural cavity simulator in the embodiment of the present application;​Figure 1 Enlarged view of the structure of the middle B part;

[0022] Figure 4 The cross-sectional view of the air supply cylinder in the embodiment of the present application.

[0023] Explanation of reference signs:

[0024] 1, simulate the thoracic, 2, simulate the lung, 3, simulate the pleural cavity, 4, drainage tube, 5, on-off valve, 6, air supply cylinder, 7, connecting structure,

[0025] 41, the first pipeline, 42, the second pipeline, 43, the sealing ring, 44, the sealing ring, 45, the sealing rib, 46, the clamp,

[0026] 61, air supply cavity, 62, groove, 63, piston, 64, connecting end, 65, first connecting piece, 66, spring, 67, connecting pipe,

[0027] 641, flow guide groove, 642, buffer plug, 643, flow guide hole,

[0028] 71, connecting ring, 72, connecting plate, 73, second connecting piece. DETAILED DESCRIPTION

[0029] The specific embodiment of the present application will be described below in conjunction with the accompanying drawings and examples:

[0030] It should be noted that the structure, proportion, size, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the functions and purposes of the present application, should still fall within the scope of the technical content disclosed by the present application.

[0031] At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" referred to in the present specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship does not change the technical content.

[0032] Example 1, in conjunction with Figures 1 to 4As shown, the embodiment provides a pleural cavity simulator, which comprises a simulated thoracic cage 1, a simulated lung 2 arranged in the simulated thoracic cage 1, a simulated pleural cavity 3 formed between the simulated thoracic cage 1 and the simulated lung 2, a drainage tube 4 arranged in the simulated pleural cavity 3, and a gas supply cylinder 6 arranged at an output end of the drainage tube 4. The gas supply cylinder 6 is in communication with an external gas supply device, and is formed with a gas supply cavity 61. A piston 63 is movably arranged in the gas supply cavity 61. Under the action of the external gas supply device, the piston 63 is pushed to move, so that the gas in the gas supply cavity 61 flows into the simulated pleural cavity 3 through the drainage tube 4, and the simulated pleural cavity 3 realizes an outward expansion movement. The gas supply cylinder 6 is connected with the external gas supply device through a connecting pipe 67. By using the gas supply cylinder 6 and the external gas supply device to inject gas into the simulated pleural cavity 3, the change of the simulated cavity under the conditions of surgery and diseases is simulated, and the contraction of the simulated human thoracic cavity is directly and reliably displayed.

[0033] Specifically, a buffer plug 642 is arranged in the gas supply cavity 61, and a flow passage is formed between the buffer plug 642 and the piston 63. The piston 63 is provided with chambers corresponding to the buffer plug 642 and in communication with the gas supply cavity 61 and the flow passage, respectively. The buffer plug 642 is movably arranged in the chambers. A switch valve 5 for controlling the opening and closing of the flow of gas or liquid is arranged on the drainage tube 4. An axial connecting end 64 is arranged on the piston 63. The connecting end 64 is arranged on the right side of the piston 63 corresponding to the connecting pipe 67. The chambers are arranged on the connecting end 64. The buffer plug 642 is arranged in the chambers of the connecting end 64 and can slide relative to the connecting end 64.

[0034] In specific application, gas enters the gas supply cavity 61 through the external gas supply device. The gas passes through the flow passage, the chambers, and the right side of the gas supply cavity 61, and pushes the piston 63 to move to the left side. At the same time, the gas pushes the buffer plug 642 to slide relative to the connecting end 64, opens the switch valve 5, and makes the gas on the left side of the gas supply cavity 61 enter the simulated pleural cavity 3 through the drainage tube 4, so that the simulated pleural cavity 3 realizes an outward expansion movement.

[0035] Specifically, the flow passage is a flow guide hole 643. A flow guide groove 461 is arranged in the chambers and in communication with the gas supply cavity 61 and the flow guide hole 643, respectively. The gas passes through the flow guide hole 643, the chambers, the flow guide groove 461, and the right side of the gas supply cavity 61, and pushes the piston 63 to move to the left side. At the same time, the gas pushes the buffer plug 642 to slide relative to the connecting end 64, so that the piston 63 can move smoothly, and the gas supply cylinder 6 can adjust the flow, so as to ensure that the rhythm and strength of the pressing on the simulated human thoracic cavity remain constant.

[0036] Specifically, the chamber is provided with an elastic member, two ends of the elastic member are respectively abutted on the piston 63 and the buffer plug 642. Preferably, the elastic member is provided as a spring 66, under the condition that the buffer plug 642 loses external force, the spring 66 drives the buffer plug 642 to reset. Two ends of the spring 66 are respectively connected to the buffer plug 642 and the inner wall of the cavity, when the buffer plug 642 is moved by the gas, the spring 66 is extruded to deform, so that the piston 63 can move smoothly.

[0037] Specifically, the gas supply cylinder 6 is provided with an annular groove 62 which is communicated with the external gas supply device, the groove 62 is axially provided at the tail end of the gas supply cylinder 6, and the end of the piston 63 is axially movably arranged in the groove 62. The buffer plug 642 is axially arranged in the annular groove 62 and is slidably connected along the annular groove 62. In this embodiment, the groove wall of the groove 62 is provided with a limiting groove, the piston 63 is provided with a limiting block corresponding to the limiting groove, and the limiting block is arranged in the limiting groove and is movable along the limiting groove. When the connecting end 64 and the piston 63 are moved by the gas, the limiting block slides along the limiting groove, so that the connecting end 64 can move smoothly.

[0038] Specifically, the buffer plug 642 is provided with a first connecting member 65, the buffer plug 642 is arranged on the flow guide groove 461 through the first connecting member 65 and is movably connected along the flow guide groove 461. Preferably, the first connecting member 65 is provided as a bolt, the buffer plug 642 is connected to the connecting end 64 through the bolt and can slide along the connecting end 64.

[0039] Specifically, the drainage tube 4 includes a first pipeline 41 and a second pipeline 42, the first pipeline 41 is connected with the simulated thoracic cavity 1, and the second pipeline 42 is connected with the gas supply cylinder 6. In order to prevent the gas in the simulated pleural cavity 3 from leaking out, a sealing structure is arranged between the first pipeline 41 and the second pipeline 42, and the sealing structure is used to seal the gap between the first pipeline 41 and the second pipeline 42. The sealing structure includes a sealing ring 43 arranged on a sealing ring 44, and sealing ribs 45 arranged on both sides of the sealing ring 43, the sealing ring 43 is arranged at the connection between the first pipeline 41 and the second pipeline 42, and the two sealing ribs 45 are respectively sleeved on the first pipeline 41 and the second pipeline 42, thereby achieving better sealing effect, and in this embodiment, the sealing ribs 45 are provided with at least two, and the two sealing ribs 45 are arranged side by side along the pipeline of the first pipeline 41, thereby further improving the connection sealing performance of the first pipeline 41 and the second pipeline 42, and the outer side of the sealing ring 44 is sleeved with a clamp 46, and the clamp 46 can more stably fix and connect the sealing ring 44 to the first pipeline 41 and the second pipeline 42.

[0040] In order to prevent the first pipe 41 of the drainage tube 4 from moving in the simulated thoracic cavity 1, a connecting structure 7 for fixing the first pipe 41 is arranged in the simulated thoracic cavity 1, the connecting structure 7 comprises a connecting ring 71 sleeved on the first pipe 41 and a connecting plate 72 connected with the connecting ring 71, the connecting plate 72 is fixedly connected in the simulated thoracic cavity 1 through a second connecting piece 73, preferably, the second connecting piece 73 is arranged as a bolt, the connecting plate 72 is fixedly connected in the simulated thoracic cavity 1 through the bolt, so that the connecting ring 71 is fixedly connected on the simulated thoracic cavity 1, and then the first pipe 41 is stably fixedly connected on the simulated thoracic cavity 1.

[0041] The working principle of the utility model is that when in use, the external gas supply equipment is opened, the switch valve 5 is opened, the gas passes through the flow guide hole 643, the chamber, the flow guide groove 461 and the right side of the gas supply chamber 61, and pushes the piston 63 to move to the left side, at the same time, the gas pushes the buffer plug 642 to slide relative to the connecting end 64, so that the piston 63 can move stably, the gas on the left side of the gas supply chamber 61 enters the simulated pleural cavity 3 through the drainage tube 4, so that the simulated pleural cavity 3 realizes the outward expansion movement, so that the pressing rhythm and the pressing strength of the simulated human thoracic cavity can be kept constant, and then the situation of the simulated human thoracic cavity can be displayed more intuitively and reliably.

[0042] Many other changes and modifications can be made without departing from the concept and scope of the utility model. It should be understood that the utility model is not limited to the specific embodiments, and the scope of the utility model is defined by the appended claims.

Claims

1. A pleural cavity simulator, characterized in that: The invention comprises a simulated thorax (1) and a simulated lung (2) arranged in the simulated thorax (1), wherein a simulated pleural cavity (3) is formed between the simulated thorax (1) and the simulated lung (2), wherein a drainage tube (4) is arranged inside the simulated pleural cavity (3), and an air supply cylinder (6) is arranged at the output end of the drainage tube (4), wherein the air supply cylinder (6) is connected to an external air supply device, and wherein the air supply cylinder (6) forms an air supply cavity (61), wherein a piston (63) is movably arranged in the air supply cavity, and under the action of the external air supply device, the piston (63) is pushed to move, thereby circulating the gas in the air supply cavity (61) through the drainage tube (4) to the inside of the simulated pleural cavity (3), so that the simulated pleural cavity (3) can achieve outward expansion movement; A buffer plug (642) is provided in the air supply cavity (61), a flow channel is formed between the buffer plug (642) and the piston (63), and the piston (63) is provided with a chamber corresponding to the buffer plug (642) and respectively communicating with the air supply cavity (61) and the flow channel, and the buffer plug (642) is relatively movably provided in the chamber; The circulation channel is configured as a flow guide hole (643), a flow guide groove (641) is provided in the chamber, and the flow guide groove (641) is respectively connected to the air supply cavity (61) and the flow guide hole (643); An elastic member is provided in the chamber, and two ends of the elastic member respectively abut against the piston (63) and the buffer plug (642); The buffer plug (642) is provided with a first connecting piece (65), and the buffer plug (642) is provided on the guide groove (641) through the first connecting piece (65) and can be movably connected along the guide groove (641).

2. A pleural cavity simulator according to claim 1, characterized in that: The elastic member is configured as a spring (66), and when the buffer plug (642) loses the action of an external force, the spring (66) drives the buffer plug (642) to reset.

3. A pleural cavity simulator according to claim 1, characterized in that: An annular groove (62) communicating with an external air supply device is provided in the air supply cylinder (6), the groove (62) being axially opened at the tail end of the air supply cylinder (6), and the end of the piston (63) being axially movable in the groove (62).

4. A pleural cavity simulator according to claim 3, characterized in that: A limiting groove is provided on the groove wall of the groove (62), and a limiting block is provided on the piston (63) corresponding to the limiting groove. The limiting block is provided in the limiting groove and can move along the limiting groove.

5. A pleural cavity simulator according to claim 1, characterized in that: The drainage tube (4) comprises a first pipe (41) and a second pipe (42), wherein the first pipe (41) is connected to the simulated thorax (1), and the second pipe (42) is connected to the air supply cylinder (6).

6. A pleural cavity simulator according to claim 5, characterized in that: A sealing structure is provided between the first pipe (41) and the second pipe (42), and the sealing structure is used to seal the gap between the first pipe (41) and the second pipe (42).

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