Gastroscopy treatment Suctionable laryngeal mask airway tube and gastroscopy device

Abstract

The present invention discloses a gastroscopy treatment suckable laryngeal mask airway catheter and a gastroscopy device, wherein the gastroscopy treatment suckable laryngeal mask airway catheter comprises a mask head and a catheter connected to the mask head, the mask head is provided with an airway chamber for communicating with the patient's airway opening and a stomach chamber for communicating with the patient's esophagus opening, the catheter comprises an airway cavity channel and a stomach cavity channel, the first end of the airway cavity channel is connected to the airway cavity, the second end of the airway cavity channel is used to connect to a ventilator, the first end of the stomach cavity channel is connected to the stomach cavity, and the second end of the stomach cavity channel is used to connect to a flushing device. The flexibility of the tube wall of the stomach cavity channel close to the mask head is greater than the flexibility of the tube wall away from the mask head. The present invention improves the laryngeal mask structure, reduces the resistance during the insertion of the gastroscope detection tube, and avoids damage to tissues at the throat wall or esophagus wall.

Description

Technical Field

[0001] The invention relates to the field of medical laryngeal masks, and in particular to a gastroscopy treatment suckable laryngeal mask airway tube and a gastroscopy device. Background Art

[0002] The wall of the gastric cavity passage of the existing gastroscopy treatment laryngeal mask airway catheter is relatively thick. During the operation, the gastroscopy treatment laryngeal mask airway catheter is used in conjunction with a gastroscopy detection tube. The gastroscopy detection tube needs to be inserted into the gastric cavity of the gastroscopy treatment laryngeal mask airway catheter and then inserted into the patient's stomach. During the insertion process, the resistance generated by the inner wall of the catheter is relatively large. If the insertion force is too small, it is difficult for the gastroscopy detection tube to be inserted into the target position. If the insertion force is too large, it is easy to cause the laryngeal mask to move as a whole or deform too much, so that it touches the patient's throat wall or esophagus wall, which irritates the patient, affects the doctor's surgical operation, and the patient's surgical experience is also poor. Summary of the invention

[0003] The main purpose of the present invention is to provide a gastroscopy treatment laryngeal mask airway tube with suction, aiming to reduce the resistance of the gastroscopy detection tube when it is inserted into the laryngeal mask during surgery, so as to avoid the problem of the tube deforming or moving out of position and touching the patient's throat wall or esophagus wall to irritate the patient.

[0004] To achieve the above-mentioned purpose, the present invention provides a gastroscopy treatment suction laryngeal mask airway tube, the gastroscopy treatment suction laryngeal mask airway tube comprises a mask head and a tube connected to the mask head, the mask head is provided with an airway chamber for communicating with the patient's airway opening and a stomach chamber for communicating with the patient's esophagus opening, the tube is provided with an airway cavity channel and a stomach cavity channel, the first end of the airway cavity channel is connected with the airway cavity, the second end of the airway cavity channel is used to connect with a ventilator, the first end of the stomach cavity channel is connected with the stomach cavity, and the second end of the stomach cavity channel is used to connect with a flushing device;

[0005] The flexibility of the tube wall of the gastric cavity passage near the cover head is greater than the flexibility of the tube wall at the end away from the cover head; or, an opening is formed between the top of the tube wall of the gastric cavity passage and the top of the cavity wall of the gastric cavity.

[0006] In one embodiment, the gastric cavity passage comprises a first thin-walled section and a first thick-walled section, the first thin-walled section is located between the middle part of the gastric cavity passage and the hood head, the first thick-walled section is located between the second end of the gastric cavity passage and the middle part of the gastric cavity passage, and the wall thickness of the first thin-walled section of the gastric cavity passage is less than the wall thickness of the first thick-walled section of the gastric cavity passage.

[0007] In one embodiment, the wall thickness of the gastric cavity passage gradually increases to a constant value in a direction away from the mask head.

[0008] In one embodiment, the gastric cavity comprises a first gastric cavity and a second gastric cavity communicating with the first gastric cavity, and the catheter is provided with a first gastric cavity channel communicating with the first gastric cavity and a second gastric cavity channel communicating with the second gastric cavity.

[0009] In one embodiment, the first gastric cavity channel includes a second thin-walled section and a second thick-walled section, the second thin-walled section is located between the middle part of the first gastric cavity channel and the cover head, the second thick-walled section is located between the second end of the first gastric cavity channel and the middle part of the first gastric cavity channel, the wall thickness of the second thin-walled section of the first gastric cavity channel is less than the wall thickness of the second thick-walled section of the first gastric cavity channel, and the wall thickness of the second gastric cavity channel is a constant value.

[0010] In one embodiment, the tube wall thickness of the first gastric cavity passage gradually increases to a constant value in a direction away from the mask head, and the tube wall thickness of the second gastric cavity passage is a constant value.

[0011] In order to achieve the above-mentioned purpose, the present invention also proposes a gastroscopy device, which includes a gastroscopy detection tube and the gastroscopy treatment suction laryngeal mask airway tube as described above, and the gastroscopy detection tube can be extended into the esophagus through the gastric cavity channel and gastric cavity of the gastroscopy treatment suction laryngeal mask airway tube.

[0012] In one embodiment, the gastroscope detection tube includes an insertion portion and a detection portion connected to one end of the insertion portion, the insertion portion is a circular tube with a diameter smaller than the inner diameter of the gastric cavity channel, the end face of the detection portion is provided with a first notch, and the side face of the detection portion is provided with a second notch and a third notch arranged oppositely.

[0013] In one embodiment, a connector for connecting to a detector of the gastroscopic examination device is embedded in the end of the insertion portion of the gastroscopic detection tube away from the detection portion.

[0014] In one embodiment, the connecting member includes a mounting portion and a connecting portion integrally formed with the mounting portion;

[0015] The mounting portion is used to be embedded and connected with the insertion portion of the gastroscope detection tube;

[0016] The connecting part is used to connect the detector.

[0017] In the technical solution of the present invention, tube walls with different degrees of flexibility are arranged in different sections of the gastric cavity channel of the gastroscopic examination and treatment suction laryngeal mask airway tube, the flexibility of the tube wall at one end of the gastric cavity channel close to the mask head is greater than the flexibility of the tube wall at one end far from the mask head, or an opening is provided between the top of the tube wall of the gastric cavity channel and the top of the cavity wall of the gastric cavity, so that when medical staff perform gastroscopy on patients, the resistance of the gastroscopy device in the process of extending into the gastric cavity of the gastroscopic examination and treatment suction laryngeal mask airway tube is reduced, and the end of the gastric cavity channel close to the mask head can guide the gastroscopic detection tube, thereby preventing the tube from deforming or moving and touching tissues at the patient's throat wall or esophageal wall and causing damage to them and irritating the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of an embodiment of a laryngeal mask airway tube capable of suction for gastroscopy treatment according to the present invention;

[0020] Figure 2 It is a schematic structural diagram of a two-chamber mask head in one embodiment of a gastroscopy treatment suction laryngeal mask airway tube of the present invention;

[0021] Figure 3 It is a schematic structural diagram of a three-chamber mask head in one embodiment of a laryngeal mask airway tube capable of gastroscopy treatment according to the present invention;

[0022] Figure 4 for Figure 1 Sectional view at AA in the middle;

[0023] Figure 5 It is a structural schematic diagram of an embodiment of a gastroscope detection tube of the present invention;

[0024] Figure 6 for Figure 5 A magnified view of the part A in the middle;

[0025] Figure 7 for Figure 5 Enlarged view of part B in the middle.

[0026] Description of Figure Numbers:

[0027]

[0028]

[0029] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] Medical laryngeal mask is a medical product often used in modern clinical emergency resuscitation and general anesthesia to quickly establish an artificial airway. It is mainly used to keep the airway open and ensure the patient's ventilation and oxygenation. The current medical laryngeal mask includes a mask head and a catheter connected thereto. The wall thickness of the catheter adopts a uniform design, and the tube wall size is relatively large. However, during the actual gastroscopy, when medical staff use the gastroscope detection tube, they need to extend the gastroscope detection tube into the target position in the laryngeal mask. In this operation, the inner wall of the laryngeal mask catheter will produce a large resistance to the gastroscope detection tube. If a large force is used, it is easy to cause the tube wall of the catheter to deform or the laryngeal mask to move as a whole, thereby touching the patient's esophageal wall or throat wall, etc., causing certain stimulation to the patient. If a small force is used, the gastroscope detection tube cannot be inserted into place, and the entire operation is very inconvenient.

[0034] In this regard, the present invention proposes a gastroscopy treatment suckable laryngeal mask airway tube, the structural improvement of which is not only applicable to laryngeal masks with two chambers or three chambers, but also applicable to inflatable or non-inflatable laryngeal masks, etc., and the type of laryngeal mask is not limited here. The following will first describe the two-chamber laryngeal mask, and then elaborate on the three-chamber laryngeal mask in detail.

[0035] In one embodiment of the present invention, reference Figure 1 and Figure 2 The gastroscopy treatment suction laryngeal mask airway tube comprises a mask head 10 and a tube 20 connected to the mask head 10. The mask head 10 is provided with an airway chamber 10A for communicating with the patient's airway opening and a stomach chamber 10B for communicating with the patient's esophagus opening. The tube 20 is provided with an airway cavity channel 20A and a stomach cavity channel 20B. The first end of the airway cavity channel 20A is connected with the airway cavity 10A, and the second end of the airway cavity channel 20A is used to connect with a ventilator. The first end of the stomach cavity channel 20B is connected with the stomach cavity 10B, and the second end of the stomach cavity channel 20B is used to connect with a flushing device. The tube wall flexibility of the stomach cavity channel 20B close to the mask head 10 is greater than the tube wall flexibility of the end away from the mask head 10.

[0036] It should be noted that during manufacturing, the airway cavity channel 20A and the stomach cavity channel 20B in the catheter body 20 can be an integrally formed design, and multiple cavities can be respectively opened in the catheter body 20 to form multiple channels of different sizes. Of course, the airway cavity channel 20A and the stomach cavity channel 20B in the catheter body 20 can also be set separately, and can be embedded in the catheter body 20 by using a process such as encapsulation and connected to the airway cavity 10A and the stomach cavity 10B of the cover head 10. There are many ways to implement it, which will not be expanded here.

[0037] In this embodiment, the gastroscopy treatment suction laryngeal mask airway catheter is provided with different degrees of tube wall flexibility in different sections of the gastric cavity passage 20B, and the tube wall flexibility of the gastric cavity passage 20B close to the mask head 10 is greater than the tube wall flexibility of the end away from the mask head 10. Such a setting reduces the resistance during the process of the gastroscopy device extending into the gastric cavity 10B of the gastroscopy treatment suction laryngeal mask airway catheter, reduces the deformation degree of the catheter 20, facilitates the operation of medical staff, and also avoids damage to the tissues of the patient's throat wall or esophageal wall.

[0038] Main references Figure 2In some embodiments, an opening 101 is provided at the top of the tube wall of the gastric cavity passage 20B and the top of the cavity wall of the gastric cavity chamber 10B. Here, the opening 101 may be an arc-shaped structure arranged from the top of the tube wall of the middle section of the gastric cavity passage 20B to the top of the cavity wall where the gastric cavity chamber 10B is connected to the esophageal opening of the patient, or may be an arc-shaped structure from the top of the tube wall of the second end of the gastric cavity passage 20B to the top of the cavity wall where the gastric cavity chamber 10B is connected to the esophageal opening of the patient. In other words, the gastric cavity passage 20B and the gastric cavity chamber 10B connected thereto may be designed as a non-enclosed type with an opening 101 at the top, so as to completely or partially reduce the resistance of the gastroscopy device inserted into the gastroscopy treatment suction laryngeal mask airway tube, and facilitate the operation of medical staff.

[0039] It should be noted that the gastroscopy treatment suction laryngeal mask airway tube of this embodiment can be a non-inflatable mask head 10, the airway chamber 10A of the mask head 10 can be provided with a gap for air to flow in or enter, and the stomach chamber 10B can adopt a non-closed structure. Through reasonable structural design, the mask head 10 can have a certain elasticity and can automatically return to an expanded state. In addition, it can also be an inflatable mask head 10, the airway chamber 10A or the stomach chamber 10B is closed, and it can be inflated by an external inflation device. Here, the type of laryngeal mask is not limited.

[0040] Main references Figure 4 It should be pointed out that the improvements of the two-chamber laryngeal mask and the three-chamber laryngeal mask are roughly the same, and the difference lies in the number of gastric cavity passages 20B and gastric cavities 10B connected thereto, so the two-chamber laryngeal mask is referred to Figure 4 Cross-sectional view of a three-chamber laryngeal mask. In one embodiment, the gastric passage 20B includes a first thin-walled section 201 and a first thick-walled section 202. The first thin-walled section 201 is located between the middle of the gastric passage 20B and the mask head 10, and the first thick-walled section 202 is located between the second end of the gastric passage 20B and the middle of the gastric passage 20B. The tube wall thickness of the first thin-walled section 201 of the gastric passage 20B is less than the tube wall thickness of the first thick-walled section 202 of the gastric passage 20B. In this way, by providing the first thin-walled section 201 and the first thick-walled section 202 with different wall thicknesses in the gastric passage 20B, the tube wall flexibility of the gastric passage 20B close to the mask head 10 is greater, thereby reducing the resistance of the tube wall of the gastric passage 20B and reducing the degree of deformation of the catheter 20 during the insertion of the gastroscopy device.

[0041] In addition, in some embodiments, a gradual tube wall thickness design can be adopted, that is, the tube wall thickness of the gastric cavity channel 20B gradually increases to a constant value in the direction away from the cover head 10. Through reasonable size setting, the above-mentioned effect of reducing the tube wall resistance of the gastric cavity channel 20B can also be achieved. Compared with the above-mentioned design of different tube wall thicknesses in different intervals, this solution is smoother for medical staff during the insertion of the gastroscope detection tube, and reduces the sense of gap caused by the sudden change of tube wall thickness.

[0042] Main references Figure 3 In one embodiment, the gastroscopy treatment suction laryngeal mask airway catheter is a three-chamber laryngeal mask, whose gastric cavity 10B includes a first gastric cavity 10B1 and a second gastric cavity 10B2 communicating with the first gastric cavity 10B1, and the catheter 20 is provided with a first gastric cavity channel 20B1 communicating with the first gastric cavity 10B1 and a second gastric cavity channel 20B2 communicating with the second gastric cavity 10B2.

[0043] Further, refer to Figure 4 When the gastroscopy treatment suction laryngeal mask airway tube is a laryngeal mask with three chambers, the first gastric cavity passage 20B1 includes a second thin-walled section and a second thick-walled section (the structures of which are substantially the same as the first thin-walled section 201 and the first thick-walled section 202 mentioned above), the second thin-walled section is located between the middle part of the first gastric cavity passage 20B1 and the mask head 10, the second thick-walled section is located between the second end of the first gastric cavity passage 20B1 and the middle part of the first gastric cavity passage 20B1, the wall thickness of the second thin-walled section of the first gastric cavity passage 20B1 is less than the wall thickness of the second thick-walled section of the first gastric cavity passage 20B1, and the wall thickness of the second gastric cavity passage 20B2 is a constant value.

[0044] Similarly, in this case, a gradual tube wall thickness design can also be adopted, where the tube wall thickness of the first gastric cavity passage 20B1 gradually increases to a constant value in the direction away from the mask head 10; the tube wall thickness of the second gastric cavity passage 20B2 is a constant value from the first end to the second end of the second gastric cavity passage 20B2. In this way, while achieving the above-mentioned purpose, the structure of the chamber and the passage is also reasonably arranged, making the processing and manufacturing of the laryngeal mask relatively easier.

[0045] The present invention also provides a gastroscopy device, which includes the gastroscopy detection tube 30 and the gastroscopy therapy suction laryngeal mask airway tube as described above. The gastroscopy detection tube 30 can be extended into the esophagus through the gastric cavity channel 20B and the gastric cavity 10B of the gastroscopy therapy suction laryngeal mask airway tube.

[0046] It can be understood that the flexibility of the tube wall at one end of the gastric cavity passage 20B close to the mask head 10 is greater than the flexibility of the tube wall at the end away from the mask head 10, so that when the gastroscope detection tube 30 is inserted into the suction laryngeal mask airway tube for gastroscopy examination and treatment, it can play a certain guiding role, reduce the resistance during insertion, thereby making the deformation degree of the tube 20 smaller or reducing the overall movement range of the laryngeal mask, so as to avoid irritation to the patient.

[0047] refer to Figure 5 In one embodiment of the present invention, in order to achieve a smoother insertion of the gastroscope detection tube 30 and avoid irritation to the esophagus wall or stomach wall in the patient's body, the gastroscope detection tube 30 can be made of a soft material that can be bent at multiple angles.

[0048] During the gastroscopy, the patient's esophagus often secretes some debris around the gastroscope detection tube 30, blocking the detection head of the gastroscope detection tube 30, affecting the operation of medical staff, and thus irritating the patient. In response to this, the gastroscope detection tube 30 has also been further improved, and these improvements will be specifically introduced below.

[0049] Combination Figure 6 In one embodiment, the gastroscope detection tube 30 includes an insertion portion 31 and a detection portion 32 connected to one end of the insertion portion 31. The insertion portion 31 can be set as a round tube with a diameter smaller than the inner diameter of the gastric cavity passage 20B. The end surface of the detection portion 32 is provided with a first notch (not shown in the figure), and the side surface of the detection portion 32 is provided with a second notch 32B and a third notch (not shown in the figure) arranged oppositely. Here, the notch shape can be circular or square, etc., and its size and shape are not limited.

[0050] It is easy to understand that the detection part 32 of the gastroscope detection tube 30 is equipped with a component for detection. When the first notch provided on the end face of the detection part 32 of the gastroscope detection tube 30 is blocked by the debris secreted by the patient's esophagus, the second notch 32B and the third notch provided on the side thereof can be used as a backup, thereby reducing the number of times the detection part 32 is cleaned, and correspondingly reducing the number of times the medical staff extracts the gastroscope detection tube 30, thereby reducing the stimulation to the patient's esophageal wall or stomach wall, etc., and facilitating the operation. Of course, in some embodiments, the detection part 32 can also be provided with a plurality of notches, which is not limited here.

[0051] Main references Figure 7 In one embodiment, the other end of the gastroscope detection tube 30 away from the detection portion 32 is also provided with a connector 40 for connecting to a detector of a gastroscope inspection device.

[0052] Furthermore, the connector 40 includes a mounting portion 41 and a connecting portion 42 integrally formed with the mounting portion 41. The mounting portion 41 is used to be embedded and connected with the insertion portion 31 of the gastroscope detection tube 30; the connecting portion 42 is used to connect the detector. A mounting hole (not shown) whose size matches the outer diameter of the insertion portion 31 of the gastroscope detection tube 30 can be provided at the mounting portion 41, and the outer side of the insertion portion 31 of the gastroscope detection tube 30 is embedded in the mounting hole. Such a configuration is convenient for processing and installation.

[0053] In addition, a limiter 43 for limiting the connection position between the connector 40 and the detector may be provided outside the mounting portion 41 of the connector 40. The limiter 43 may be composed of two square baffles provided on the same horizontal plane on both sides of the mounting portion 41, thereby limiting the connection position and facilitating operation.

[0054] The above descriptions are only optional embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A gastroscopy device, characterized in that: The gastroscopy device comprises a gastroscopy detection tube and a gastroscopy treatment suckable laryngeal mask airway tube, wherein the gastroscopy detection tube can be extended into the esophagus through the gastric cavity passage and gastric cavity of the gastroscopy treatment suckable laryngeal mask airway tube; The gastroscopy treatment suction laryngeal mask airway tube comprises a mask head and a tube connected to the mask head, the mask head is provided with an airway chamber for communicating with the patient's airway opening and a stomach chamber for communicating with the patient's esophagus opening, the tube is provided with an airway cavity channel and a stomach cavity channel, the first end of the airway cavity channel is connected with the airway cavity, the second end of the airway cavity channel is used to connect with a ventilator, the first end of the stomach cavity channel is connected with the stomach cavity, and the second end of the stomach cavity channel is used to connect with a flushing device; The flexibility of the tube wall of the gastric cavity passage near the cover head is greater than the flexibility of the tube wall at the end away from the cover head; or, an opening is formed between the top of the tube wall of the gastric cavity passage and the top of the cavity wall of the gastric cavity; The stomach cavity comprises a first stomach cavity and a second stomach cavity communicating with the first stomach cavity, and the catheter is provided with a first stomach cavity passage communicating with the first stomach cavity and a second stomach cavity passage communicating with the second stomach cavity; The first gastric cavity passage comprises a second thin-walled section and a second thick-walled section, the second thin-walled section is located between the middle part of the first gastric cavity passage and the cover head, the second thick-walled section is located between the second end of the first gastric cavity passage and the middle part of the first gastric cavity passage, the wall thickness of the second thin-walled section of the first gastric cavity passage is less than the wall thickness of the second thick-walled section of the first gastric cavity passage, and the wall thickness of the second gastric cavity passage is a constant value; Alternatively, the wall thickness of the first gastric cavity passage gradually increases to a constant value in a direction away from the mask head, and the wall thickness of the second gastric cavity passage is a constant value; The gastroscope detection tube includes an insertion portion and a detection portion connected to one end of the insertion portion, the insertion portion is a round tube with a diameter smaller than the inner diameter of the gastric cavity passage, the end surface of the detection portion is provided with a first notch, and the side surface of the detection portion is provided with a second notch and a third notch arranged oppositely; The end of the insertion portion of the gastroscope detection tube away from the detection portion is also embedded with a connecting piece for connecting to a detector of the gastroscope inspection device.

2. The gastroscopy device according to claim 1, characterized in that: The connecting member includes a mounting portion and a connecting portion integrally formed with the mounting portion; The mounting portion is used to be embedded and connected with the insertion portion of the gastroscope detection tube; The connecting part is used to connect the detector.

Images