Intubation tube protector in-vitro fixing device
By designing an external fixation device for the intubation protector, and utilizing a limiting plate, restraint components, and clamping and fixing components, the problem of fixing the intubation tube in the anterior-posterior direction was solved, achieving stable fixation of the intubation tube, reducing the risk of tooth loss, and improving the safety of use.
Patent Information
- Application Number
- CN202422079672.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-08-27
AI Technical Summary
Existing intubation protectors cannot effectively secure the endotracheal tube in the anteroposterior direction, posing a risk of displacement, especially for patients with missing teeth, loose teeth, malformed teeth, or those wearing dentures, who may experience tooth loss.
An external fixation device for a cannula protector was designed, including a limiting plate, a restraint component, and a clamping and fixing assembly. The limiting plate is placed against the outside of the patient's lip, the restraint component is bound to the head, and the clamping and fixing assembly clamps the cannula. Combined with the bite pad and positioning post, the cannula is fixed in all directions.
It effectively avoids displacement of the intubation tube along its length, protects the patient's teeth, reduces the risk of medical accidents, and is simple and comfortable to operate.
Smart Images

Figure CN223601814U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, especially a kind of intubation protector extracorporeal fixation device. BACKGROUND
[0002] Clinically, tracheal intubation is often used in general anesthesia operation, cardiopulmonary resuscitation and emergency treatment of acute and severe diseases. During intubation, the use of laryngoscope and the biting action of patients may damage the tracheal tube or injure the patient's teeth. For patients with missing teeth, loose teeth, deformed teeth and wearing dentures, there is a risk of tooth or denture loss leading to medical accidents. Anesthesia doctors use an intubation protector during general anesthesia operation, and each tooth of the patient wears a personalized tooth protector. The upper and lower incisor parts of the tooth protector are provided with a C-shaped tooth pad, which solves the problems of protecting teeth and tracheal intubation. However, this scheme still has defects: the C-shaped tooth pad can fix the intubation tube in the upper and lower and left and right directions, but cannot avoid the displacement of the intubation tube in the front and back directions, which still has a high risk in clinical use.
[0003] Therefore, it is necessary to design an intubation extracorporeal fixation device matched with the intubation protector to overcome the above technical problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model solves the technical problem of providing an intubation protector extracorporeal fixation device, which effectively overcomes the defects of the prior art.
[0005] The technical solution of the utility model to solve the above technical problem is as follows:
[0006] An intubation protector extracorporeal fixation device includes a limiting plate, a restraint and a clamping and fixing assembly. The limiting plate is used to abut against the patient's lips. The restraint is connected between the two ends of the limiting plate and is used to bind the patient's head. The limiting plate is provided with a notch for the intubation tube to pass through. The clamping and fixing assembly is arranged outside the notch of the limiting plate and is used to clamp the intubation tube passing through the notch.
[0007] Based on the above technical solution, the utility model can also be improved as follows.
[0008] Further, the limiting plate is a circular arc plate.
[0009] Further, the inner side of the limiting plate is provided with a flexible skin-friendly pad.
[0010] Further, the restraint is an elastic bandage.
[0011] Further, the clamping and fixing assembly comprises a fixed clamping block, a fixed seat, a movable clamping block and a driving member, the fixed clamping block is arranged at one end of the outer side of the gap, the fixed seat is arranged at the other end of the outer side of the gap, the movable clamping block is arranged at one end of the fixed seat close to the fixed clamping block, and the driving member is arranged on the fixed seat and connected with the movable clamping block, and the driving member is used for driving the movable clamping block to move close to or away from the fixed clamping block.
[0012] Further, the end close to each other of the fixed clamping block and the movable clamping block is respectively provided with an arc-shaped clamping surface.
[0013] Further, the clamping surface is a rough surface.
[0014] Further, the driving member is a screw rod, the screw rod penetrates through the screw hole matched in the fixed seat and is screwed with each other, one end of the screw rod is connected with the movable clamping block, and the other end of the screw rod is provided with a knob for driving the screw rod to rotate.
[0015] Further, the end away from the fixed clamping block of the movable clamping block is provided with a short column, the short column is inserted into the through hole matched at the end of the screw rod and is connected with each other in rotation.
[0016] Further, the utility model also comprises two mouth guards, two mouth guards are respectively sleeved on the upper and lower teeth of a patient, the side close to each other of the middle part of two mouth guards is respectively provided with a bite pad, the side close to each other of the bite pad is respectively provided with an arc-shaped gap, the inner side of the limiting plate is provided with a positioning column, and the outer side of one of the bite pads is provided with a positioning hole matched with the positioning column.
[0017] The utility model discloses the beneficial effect is: simple, reasonable structure design can effectively fix after intubation, avoid intubation along its length direction displacement. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic view of the intubation protector extracorporeal fixing device of the utility model;
[0019] Figure 2 It is the side view of the intubation protector extracorporeal fixing device of the utility model.
[0020] In the drawings, the component list represented by each sign is as follows:
[0021] 1, limiting plate;2, restraint;3, clamping and fixing assembly;31, fixed clamping block;32, fixed seat;33, movable clamping block;34, driving member;41, mouth guard;42, bite pad. DETAILED DESCRIPTION
[0022] The principles and characteristics of the present application are described below in conjunction with the accompanying drawings, and the examples are used to explain the present application and not to limit the scope of the present application.
[0023] Embodiment: As shown in the drawings, the external fixation device of the cannula protector of the present embodiment comprises a limiting plate 1, a binding member 2 and a clamping and fixing assembly 3. Figure 1 and 2 The limiting plate 1 is used to abut against the lips of a patient, the binding member 2 is connected between the two ends of the limiting plate 1, and is used to be bound to the head of the patient, the limiting plate 1 is provided with a notch for the cannula to pass through, and the clamping and fixing assembly 3 is arranged outside the notch of the limiting plate 1, and is used to clamp the cannula passing through the notch.
[0024] After the cannula is inserted, the mouthpiece is worn on the patient, and then the limiting plate 1 is attached to the lips of the patient, and is fixed to the head of the patient through the binding member 2, so that the limiting plate 1 is worn well, and the cannula passes through the notch on the limiting plate 1, and finally the cannula is clamped and fixed by the clamping and fixing assembly 3, so that the cannula is prevented from moving along the insertion direction of the cannula, and is stably fixed in cooperation with the mouthpiece.
[0025] In the present embodiment, the limiting plate 1 has a curved plate surface. The curved design is consistent with the physiological curve of the face of the patient, and can realize stable wearing on the face and avoid displacement of the limiting plate 1 itself.
[0026] In the present embodiment, the inner side of the limiting plate 1 is provided with a flexible skin-friendly pad (such as a silica gel pad), which improves the comfort when worn on the face.
[0027] In the present embodiment, the binding member 2 can be a conventional elastic bandage for medical use, which is tightly wrapped around the head of the patient.
[0028] As a preferred embodiment, the clamping and fixing assembly 3 comprises a fixed clamping block 31, a fixed seat 32, a movable clamping block 33 and a driving member 34, the fixed clamping block 31 is arranged at one end outside the notch, the fixed seat 32 is arranged at the other end outside the notch, the movable clamping block 33 is arranged at one end of the fixed seat 32 close to the fixed clamping block 31, the driving member 34 is arranged on the fixed seat 32 and connected with the movable clamping block 33, and the driving member 34 is used to drive the movable clamping block 33 to move close to or away from the fixed clamping block 31.
[0029] In the above embodiment, after the cannula is placed in the gap, the cannula is between the fixed clamp block 31 and the movable clamp block 33, and then the driving member 34 is operated to move the movable clamp block 33 towards the fixed clamp block 31, and the cannula is clamped from both sides by the fixed clamp block 31 and the movable clamp block 33, so that the cannula cannot be displaced in the cannula direction, and the operation is simple and convenient, and the structure design is also simple.
[0030] As a preferred embodiment, the fixed clamp block 31 and the movable clamp block 33 are respectively provided with arc-shaped clamping surfaces at the ends close to each other.
[0031] In the above embodiment, the shape of the clamping surface is consistent with the surface profile of the cannula, and the clamping of the cannula can be realized.
[0032] In the embodiment, the clamping surface is designed as a rough surface. Specifically, the clamping surface can be designed with a pattern or a convex point to increase the tightness of clamping.
[0033] As a preferred embodiment, the driving member 34 is a screw rod, the screw rod penetrates the screw hole matched in the fixed seat 32 and is screwed with each other, one end of the screw rod is connected with the movable clamp block 33, and the other end of the screw rod is provided with a knob (indicated by a in the figure) for driving the rotation.
[0034] In the above embodiment, the driving member 34 adopts a conventional screw rod, and when the driving member 34 is rotated, the driving member 34 is moved with the fixed seat 32, so as to drive the movable clamp block 33 to move close to or away from the fixed clamp block 31, and the operation is very simple and fast.
[0035] As a preferred embodiment, the end of the movable clamp block 33 away from the fixed clamp block 31 is provided with a short column, the short column is inserted into the through hole matched at the end of the screw rod and is connected with each other by rotating.
[0036] In the above embodiment, the design allows the movable clamp block 33 to rotate relative to the driving member 34, so as to ensure that the clamping surface of the movable clamp block 33 maintains a good clamping angle and does not affect the clamping effect due to the rotation of the driving member 34.
[0037] As a preferred embodiment, two mouthguards 41 are further included, the two mouthguards 41 are respectively sleeved on the upper and lower teeth of the patient, the two mouthguards 41 are respectively provided with bite pad blocks 42 at the sides close to each other in the middle, the bite pad blocks 42 are respectively provided with arc-shaped gaps at the sides close to each other, the inner side of the limiting plate 1 is provided with a positioning column (indicated by b in the figure), and the outer side of one of the bite pad blocks 42 is provided with a positioning hole matched with the positioning column.
[0038] In the above implementation, the mouth guard 41 can protect the teeth of the subject, avoid the teeth (dentures, etc.) from falling into the oral cavity to cause unsafe accidents, and the design of the bite pad 42 can facilitate the insertion tube to pass between the two, play a bite and protection role on the insertion tube, avoid the insertion tube from moving left and right and up and down relative to the lips of the subject, and then cooperate with the clamping and fixing assembly 3 to limit the insertion tube from moving in the direction of insertion and withdrawal, and the limiting plate 1 is connected with a bite pad 42 through a positioning column, so that the two are positioned and connected, and the insertion tube is effectively limited.
[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0040] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0041] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0042] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0043] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.
[0044] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. An intracannular protector external fixation device, characterized by: The utility model provides an oral cavity fixing device, including limiting board (1), restraint (2) and clamping fixed assembly (3), limiting board (1) is used to adhere to the lip outside of patient, the both ends of limiting board (1) are connected with restraint (2), restraint (2) is used to bind in the head of patient, the notch for cannula to pass through is equipped on limiting board (1), clamping fixed assembly (3) is set up in the outside of the notch of limiting board (1), is used for clamping the cannula passing through the notch, clamping fixed assembly (3) includes fixed clamping block (31), fixed seat (32), movable clamping block (33) and drive part (34), fixed clamping block (31) is set up in one end of the outside of the notch, fixed seat (32) is set up in the other end of the outside of the notch, movable clamping block (33) is set up in one end of fixed seat (32) near fixed clamping block (31), drive part (34) is installed on fixed seat (32) and is connected with movable clamping block (33), drive part (34) is used to drive movable clamping block (33) and moves near or away from fixed clamping block (31).
2. An intracannular protector external fixation device according to claim 1, characterized in that: The limiting board (1) is a circular arc-shaped plate surface.
3. An intracannular protector external fixation device according to claim 2, wherein: The inner side of the limiting board (1) is provided with a flexible skin-friendly pad.
4. An intracannular protector external fixation device according to claim 1, wherein: The restraint (2) is an elastic bandage.
5. An intracannular protector external fixation device according to claim 1, wherein: The fixed clamping block (31) and the movable clamping block (33) are respectively provided with a circular arc-shaped clamping surface at one end close to each other.
6. An intracannular protector external fixation device according to claim 5, wherein: The clamping surface is a rough surface.
7. An intracannular protector external fixation device according to claim 1, wherein: The drive part (34) is a screw rod, the screw rod penetrates the screw hole matched in the fixed seat (32) and is screwed together, one end of the screw rod is connected with the movable clamping block (33), and the other end of the screw rod is provided with a knob for driving the rotation of the screw rod.
8. An intracannular protector external fixation device according to claim 7, wherein: The end of the movable clamping block (33) away from the fixed clamping block (31) is provided with a short column, the short column is inserted into the through hole matched at the end of the screw rod and is connected with each other in rotation.
9. An extra-corporeal fixation device for a cannula protector according to any one of claims 1 to 4, characterized in that: The utility model also includes two mouth guards (41), two mouth guards (41) are respectively sleeved on the upper and lower teeth outside of patient, the side close to each other of the middle part of two mouth guards (41) is respectively provided with a bite pad block (42), the side close to each other of the bite pad block (42) is respectively provided with a circular arc-shaped notch, the inner side of the limiting board (1) is provided with a positioning column, and the outer side of one bite pad block (42) is provided with a positioning hole matched with the positioning column.