CN221579303U - Artificial airway scissors for assisting bronchoscope in replacing tracheal catheter - Google Patents

Abstract

The utility model provides an artificial airway scissors for assisting a bronchoscope to replace an endotracheal tube, comprising: the two scissor arms are hinged, each scissor arm comprises a shearing arm and a connecting arm, the shearing arms and the connecting arms are positioned at two sides of a hinging point of the scissor arm, and a cutting edge part is arranged at one side of each shearing arm facing each other; the two finger rings are arranged at one end of the two connecting arms, which is far away from the corresponding shearing arm, in a one-to-one correspondence manner; the fixing buckle is arranged on one side, away from the other side, of one of the two shearing arms and is provided with a mounting channel suitable for accommodating the bronchoscope. The artificial airway scissors provided by the embodiment of the utility model can keep self stability through the fixing buckle, solve the problem that an old tracheal catheter is difficult to remove from a bronchoscope, and simplify the operation process of stripping the old trachea.

Description

Artificial airway scissors for assisting bronchoscope in replacing tracheal catheter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an artificial airway scissors for assisting a bronchoscope in replacing an endotracheal tube.

Background

In critically ill patients, about 1/3 of the need exists to establish an artificial airway for mechanical ventilation to improve the patient's ventilation and oxygenation, which wins time for primary disease treatment. In airway management of endotracheal intubation patients, replacement of the endotracheal tube is a problem that may be encountered, and may be due to, but not limited to, balloon breakage, deformation including twisting, folding, or collapsing of the endotracheal tube, sputum, mucus, blood clots blocking the endotracheal tube, or the need for a more appropriate model of endotracheal tube by the patient, etc.

The most direct way of tracheal tube replacement is to remove the retentate from the balloon, directly unplug the original tracheal tube, and reinsert a new tracheal tube. This approach is simple, but for patients with established artificial airways, intubation may cause complications such as damaged vocal cords, larynx edema, etc., with increased difficulty in secondary intubation and increased risk of failure. Another method for tracheal tube replacement is to guide the tube replacement by placing a gas exchange tube (i.e. tube replacement device), which keeps the tube replacement device in the airway, and then placing a new gas tube again along the tube replacement device, thereby increasing the success rate of tube replacement, and the tube replacement device can be connected with oxygen, and the tube replacement process can provide oxygen therapy to avoid the occurrence of hypoxia. However, in the prior art, the tube changer is soft in material, and the glottis of the new air tube is easy to fold in the process of placing the new air tube; and oral secretion of a patient easily falls into an airway to cause choking cough in the tube changing process, so that the risk of the tube changing device falling out is increased, and the possibility of VAP (ventilator associated pneumonia) exists.

A tube change with a bronchoscope as a guide for visualization may be a good method. Firstly, the bronchoscope is made of hard materials, so that the occurrence of discounting can be avoided; and secondly, the position change of the tip in the airway is observed in real time by visualization of the bronchoscope, so that the guide device is prevented from falling off and is not easy to find. Third, the bronchoscope can be connected with a negative pressure suction device, once the oral secretion generated in the tube changing process falls into the airway, the oral secretion can be sucked out in time, the occurrence of aspiration is avoided, and meanwhile, the choking cough is reduced. However, the bronchoscope is guided to change the tube, a new tracheal catheter can be inserted into the bronchoscope in advance and placed at the upper section, but the old tracheal catheter cannot be taken out. Thus, there is a need for an auxiliary device that can be matched to the guide tube replacement of a bronchoscope to assist in the removal of the old endotracheal tube.

Disclosure of utility model

The utility model provides a novel technical scheme of an artificial airway scissors for assisting a bronchoscope to replace an endotracheal tube, which at least can solve the problem that an old endotracheal tube is difficult to take out when the endotracheal tube is replaced by the bronchoscope in the prior art.

The utility model provides an artificial airway scissors for assisting a bronchoscope to replace an endotracheal tube, comprising: the two scissor arms are hinged, each scissor arm comprises a shearing arm and a connecting arm, the shearing arms and the connecting arms are positioned at two sides of a hinging point of the scissor arm, and a cutting edge part is arranged at one side of each shearing arm facing each other; the two finger rings are arranged at one end of the two connecting arms, which is far away from the corresponding shearing arms, in a one-to-one correspondence manner; the fixing buckle is arranged on one side, away from the other side, of the two shearing arms, and the fixing buckle is provided with a mounting channel suitable for accommodating a bronchoscope.

Optionally, the two shearing arms include a first shearing arm and a second shearing arm, the fixing buckle is arranged on one side of the first shearing arm far away from the second shearing arm, and the axis of the mounting channel extends along the extending direction of the first shearing arm.

Optionally, the retaining buckle is movable to adjust the inner diameter of the mounting channel.

Optionally, the installation channel is a cylindrical channel, and the diameter D of the installation channel is 4 mm-7mm.

Optionally, the fixing buckle includes: the axis of the pipe clamp extends along the extending direction of the first shearing arm, the pipe clamp defines the mounting channel, the pipe clamp is C-shaped, an opening extending along the axial direction of the pipe clamp is formed in the peripheral surface of the pipe clamp, two lugs extending outwards are arranged at the opening of the pipe clamp, the two lugs are arranged oppositely, a threaded hole is formed in one of the two lugs, and a through hole is formed in the other of the two lugs; the adjusting bolt penetrates through the through hole and is connected with the threaded hole, and the adjusting bolt is movable along the axial direction of the threaded hole to adjust the inner diameter of the installation channel.

Optionally, the pipe clamp includes: the silica gel layer is columnar, the silica gel layer defines the mounting channel, and the thickness T1 of the silica gel layer in the radial direction of the silica gel layer is less than or equal to 0.5mm; and the polyethylene layer is sleeved on the outer peripheral side of the silica gel layer, and the thickness T2 of the polyethylene layer in the radial direction of the polyethylene layer is less than or equal to 0.5mm.

Optionally, the length L of the pipe clamp in the axial direction of the pipe clamp is less than or equal to 3cm.

Optionally, the two connecting arms include a first connecting arm and a second connecting arm, the first connecting arm is connected with the first shearing arm, the second connecting arm is connected with the second shearing arm, the two shearing arms are switchable between an open state and a closed state, and when the two shearing arms are in the closed state, an included angle θ between the first shearing arm and the second connecting arm is greater than or equal to 10 °.

Optionally, the width of the first shearing arm is smaller than the width of the second shearing arm, and one end of each shearing arm far away from the connecting arm is a rounded tip.

Optionally, the length L1 of the shearing arm is less than or equal to 5cm, and the length L2 of the connecting arm is less than or equal to 10cm.

According to the artificial airway scissors for replacing the tracheal tube by the auxiliary bronchoscope, the fixing buckle is arranged on one side, far away from the other side, of the two shearing arms, the artificial airway scissors can be fixed on the bronchoscope by the fixing buckle, the relative position of the artificial airway scissors and the bronchoscope is kept unchanged, the auxiliary bronchoscope is used for replacing the tracheal tube, and the old tracheal tube is sheared in the process that the old tracheal tube exits along the bronchoscope so as to peel the old tracheal tube off the bronchoscope, so that the new tracheal tube can smoothly extend into the main airway of a patient along the bronchoscope. The artificial airway scissors can keep self stability through the fixing buckle in the shearing process, so that the difficult problem that the old tracheal catheter is difficult to take off from the bronchoscope is solved, and meanwhile, the operation process of stripping the old trachea is simplified.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic illustration of an artificial airway scissors according to one embodiment provided by the present utility model;

FIG. 2 is a partial cross-sectional view of the encircled portion of FIG. 1 at A;

FIG. 3 is a schematic illustration of an artificial airway scissors in accordance with one embodiment of the present utility model connected to a bronchoscope with two scissor arms in an open position;

FIG. 4 is a schematic illustration of an artificial airway scissors in accordance with one embodiment of the present utility model connected to a bronchoscope with two scissor arms in a closed position;

FIG. 5 is a schematic illustration of a retaining clip in an artificial airway shear according to one embodiment of the present utility model;

Fig. 6 is a schematic diagram of an artificial airway scissors assisted bronchoscope replacement endotracheal tube according to one embodiment provided by the present utility model.

Reference numerals

An artificial airway scissors 100;

A first scissor arm 10; a first shearing arm 11; a first connecting arm 12; a second scissor arm 20; a second shear arm 21; a second connecting arm 22;

Finger ring 30;

a fixing buckle 40; a mounting channel 41; a pipe clamp 42; an ear 421; a silicone layer 422; a polyethylene layer 423; an adjusting bolt 43;

Bronchoscope 200; an insertion tube 201;

A new tracheal tube 300;

Old tracheal tube 400.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

The artificial airway scissors 100 for assisting the bronchoscope 200 in replacing an endotracheal tube according to an embodiment of the present utility model are specifically described below with reference to the accompanying drawings.

As shown in fig. 1 to 6, an artificial airway scissors 100 according to an embodiment of the present utility model includes: two scissor arms, two finger rings 30 and two retaining clips 40.

Specifically, two scissor arms are hinged, each scissor arm comprises a shearing arm and a connecting arm, the shearing arm and the connecting arm are positioned on two sides of a hinging point of the scissor arm, and a cutting edge part is arranged on one side of each of the two shearing arms facing each other. The two finger rings 30 are arranged at one end of the two connecting arms away from the corresponding shearing arms in a one-to-one correspondence. A retaining clip 40 is provided on the side of one of the two shearing arms remote from the other, the retaining clip 40 having a mounting channel 41 adapted to receive the bronchoscope 200.

In other words, the artificial airway scissors 100 according to the embodiment of the present utility model are mainly composed of two scissor arms, two finger loops 30, and two fixing buckles 40.

Wherein, two scissor arms can be first scissor arm 10 and second scissor arm 20 respectively, can articulate between two scissor arms, and the pin joint can be located the middle part of scissor arm, and every scissor arm can rotate around the pin joint to cut. The hinge point may separate each scissor arm into a shearing arm and a connecting arm.

When two shearing arms rotate around the hinge point, the tracheal catheter can be sheared, one side of the two shearing arms facing each other can be provided with a blade part, and the blade part is of a sharp structure and can be used for shearing the tracheal catheter.

The end of each connecting arm remote from the shearing arm may be provided with a finger ring 30 into which a user's finger may extend to facilitate the gripping operation of the artificial airway scissors 100.

One of the two shearing arms may be provided with a securing button 40 and the securing button may be provided on the side of the shearing arm remote from the other shearing arm. For ease of illustration, the side of the two shear arms facing each other may be defined as the inner side of the shear arms and the side of the two shear arms facing away from each other as the outer side of the shear arms. The inner side of the two shearing arms is provided with a blade part, and the outer side of one of the two shearing arms is provided with a fixing buckle 40.

The retaining clip 40 may be provided with a mounting channel 41, and the mounting channel 41 may be used to receive the bronchoscope 200. In particular, the bronchoscope 200 may include an insertion tube 201, wherein the insertion tube 201 may extend into the main airway of the patient, and the insertion tube 201 is made of a hard material and is not easy to fold at the glottis. The retaining clip 40 may be detachably coupled to the insertion tube 201, and the insertion tube 201 may be received in the mounting channel 41 to couple the artificial airway clip 100 to the bronchoscope 200, limiting the relative positions of the artificial airway clip 100 and the insertion tube 201.

The following describes in detail the procedure for tracheal tube replacement using the artificial airway scissors 100 of the present embodiment.

Prior to replacement of the endotracheal tube, an old endotracheal tube 400 to be replaced is inserted into the patient's main airway. The new gas tube guide 300 is first inserted into the insertion tube 201 of the bronchoscope 200, and the new gas tube guide 300 is moved to the upper section of the insertion tube 201. The lower section of insertion tube 201 is then extended into old endotracheal tube 400, through old endotracheal tube 400 into the patient's main airway and the position of insertion tube 201 is maintained, during extension of insertion tube 201, through bronchoscope 200 to view the condition within the patient's main airway. Then the artificial airway scissors 100 are fixed on the insertion tube 201 through the fixing buckle 40, after the air bag is loosened, the old tracheal catheter 400 is withdrawn along the insertion tube 201, and meanwhile, the side wall of the old tracheal catheter 400 is cut off by the artificial airway scissors 100 fixed on the insertion tube 201. After the old endotracheal tube 400 is completely cut, the old endotracheal tube 400 is peeled off from the insertion tube 201. The artificial airway scissors 100 are then removed from the insertion tube 201 and a new tracheal tube 300 is placed into the patient's main airway along the insertion tube 201. After confirming the position of the new endotracheal tube 300, the insertion tube 201 of the bronchoscope 200 can be withdrawn from the patient's main airway and the new endotracheal tube 300 can be secured. Can attract secretion in the airway of a patient at any time in the tube replacement process.

The method for replacing the tracheal catheter by using the bronchoscope 200 is characterized in that the bronchoscope 200 is hard in material, so that the bronchoscope is not easy to be folded at the glottis, the tracheal catheter can be replaced more conveniently and efficiently, and the probability of the damage replacement process to the airway of a patient is reduced. In addition, the bronchoscope 200 can visualize the replacement process, help determine whether the bronchoscope 200 as a guiding device is detached, and enable the user to more clearly and comprehensively control the replacement process. Meanwhile, the bronchoscope 200 can be connected with a negative pressure suction device, so that once cavity secretion generated in the tube changing process is picked up and falls down into the air passage, the cavity secretion can be sucked out in time, the occurrence of aspiration is avoided, and meanwhile choking is reduced.

Therefore, according to the artificial airway scissors 100 for replacing an endotracheal tube of the auxiliary bronchoscope 200 according to the embodiment of the present utility model, the artificial airway scissors 100 can be fixed on the bronchoscope 200 by arranging the fixing buckle 40 on one side of the two shearing arms away from the other, the relative position of the artificial airway scissors 100 and the bronchoscope 200 is kept unchanged, the auxiliary bronchoscope 200 performs the replacement of the endotracheal tube, and the old endotracheal tube 400 is sheared during the process of withdrawing the old endotracheal tube 400 along the bronchoscope 200, so that the old endotracheal tube 400 is peeled from the bronchoscope 200, and the new endotracheal tube 300 can smoothly extend into the main airway of the patient along the bronchoscope 200. The artificial airway scissors 100 can keep self stability through the fixing buckle 40 in the shearing process, solve the difficult problem that the old tracheal catheter 400 is difficult to be removed from the bronchoscope 200, and simplify the operation process of old tracheal peeling.

According to one embodiment of the utility model, the two shearing arms comprise a first shearing arm 11 and a second shearing arm 21, the retaining buckle 40 being provided on the side of the first shearing arm 11 remote from the second shearing arm 21, the axis of the mounting channel 41 extending in the direction of extension of the first shearing arm 11.

Specifically, the first scissor arm 10 may include a first scissor arm 11 and a first link arm 12, and the second scissor arm 20 may include a second scissor arm 21 and a second link arm 22. The retaining buckle 40 may be provided on a side of the first shearing arm 11 remote from the second shearing arm 21, i.e., on an outer side of the first shearing arm 11.

The mounting channel 41 may be a cylindrical channel, the first shearing arm 11 may be an elongated member, and the axis of the mounting channel 41 may extend along the extending direction of the first shearing arm 11.

Thus, when the artificial airway scissors 100 are connected with the bronchoscope 200, the insertion tube 201 of the bronchoscope 200 may be located at the outer side of the first shearing arm 11, and the first shearing arm 11 may be approximately parallel to the portion where the insertion tube 201 is connected with the artificial airway scissors 100, so that when the old tracheal catheter 400 exits the patient's main trachea along the insertion tube 201, the tip of the first shearing arm 11 may extend into the old tracheal catheter 400, and cooperate with the second shearing arm 21 to achieve shearing of the old tracheal catheter 400.

According to other embodiments of the present utility model, the retaining buckle 40 is movable to adjust the inner diameter of the mounting channel 41. Because the diameters of the insertion tubes 201 of different bronchoscopes 200 are different, the inner diameter of the installation channel 41 provided with the fixing buckle 40 can be adjusted, so that the fixing buckle 40 is matched with the insertion tubes 201 with different diameters, the applicability of the artificial airway scissors 100 is improved, and the requirements of connection with the bronchoscopes 200 with different models are met.

Alternatively, the fixing button 40 may be a C-shaped button having elasticity, and the C-shaped button may be opened by an external force so that the diameter of the installation channel 41 in the C-shaped button becomes larger.

In some embodiments of the utility model, the mounting channel 41 is a cylindrical channel and the diameter D of the mounting channel 41 is 4mm to 7mm. In other words, the diameter of the mounting channel 41 may be adjustable in the range of 4mm to 7mm, whereby the retaining buckle 40 may be reliably connected to the insertion tube 201 having a diameter of 4mm to 7mm.

According to some alternative embodiments of the present utility model, the retaining buckle 40 includes a tube clamp 42 and an adjustment bolt 43.

The axis of pipe clamp 42 extends along the extending direction of first shearing arm 11, and pipe clamp 42 defines installation passageway 41, and pipe clamp 42 is the C shape, is equipped with the opening along self axial extension on the outer peripheral face of pipe clamp 42, and pipe clamp 42 is equipped with two ears 421 of outside extension in the opening part, and two ears 421 set up relatively, are equipped with the screw hole on two ears 421, are equipped with the through-hole on two ears 421's another. The adjusting bolt 43 passes through the through hole and is connected with the screw hole, and the adjusting bolt 43 is movable in the axial direction of the screw hole to adjust the inner diameter of the mounting passage 41.

In other words, the retaining buckle 40 of the present embodiment may be mainly composed of the pipe clamp 42 and the adjusting bolt 43. Wherein, as shown in fig. 5, the tube clamp 42 may have a C-shape, and the tube clamp 42 may be provided with an opening extending in an axial direction of the tube clamp 42 and penetrating through an inner wall surface and an outer surface of the tube clamp 42 such that the opening communicates with the mounting passage 41.

The opening of the clamp 42 may be provided with two opposing ears 421, and the ears 421 may extend away from the clamp 42. One of the two ears 421 may be provided with a through hole through which the adjusting bolt 43 passes, and the other may be provided with a screw hole screwed with the adjusting bolt 43.

The adjusting bolt 43 may pass through the through hole and be connected with the screw hole. By rotating the adjusting bolt 43, the distance between the two ears 421 can be adjusted, thereby adjusting the size of the opening and finally the inner diameter of the mounting passage 41.

In this embodiment, the fixing buckle 40 is configured to include the pipe clamp 42 and the adjusting bolt 43, and the inner diameter of the installation channel 41 in the pipe clamp 42 can be manually adjusted by using the adjusting bolt 43, so as to control the tightness of the connection between the pipe clamp 42 and the bronchoscope 200 according to the requirement, and effectively prevent the loosening of the artificial airway scissors 100 and the bronchoscope 200.

The connection between the insertion tube 201 and the tube holder 42 may be, but not limited to, that after the adjusting bolt 43 is removed, the tube holder 42 is opened to insert the insertion tube 201 into the tube holder 42 from the opening, or that the lower section of the insertion tube 201 is inserted into the tube holder 42 from one end of the installation passage 41 of the tube holder 42.

According to other embodiments of the present utility model, the tube clamp 42 includes a layer of silicone 422 and a layer of polyethylene 423.

The silica gel layer 422 is columnar, the silica gel layer 422 defines the mounting channel 41, and the thickness T1 of the silica gel layer 422 in the radial direction is less than or equal to 0.5mm. The polyethylene layer 423 is sleeved on the outer peripheral side of the silica gel layer 422, and the thickness T2 of the polyethylene layer 423 in the radial direction is less than or equal to 0.5mm.

Specifically, the tube clamp 42 may include an inner layer and an outer layer in a radial direction thereof, the inner layer of the tube clamp 42 may be a silicone layer 422, and the outer layer of the tube clamp 42 may be a polyethylene layer 423.

The silica gel layer 422 can limit the installation channel 41, and the insertion tube 201 of the bronchoscope 200 can be contacted with the inner wall surface of the silica gel layer 422, so that the silica gel layer 422 is softer, the bronchoscope 200 can be better protected, and the fixed buckle 40 is prevented from damaging the bronchoscope 200. The polyethylene layer 423 has a hardness greater than that of the silica gel layer 422, so that the silica gel layer 422 can be protected, and the fastener 40 can be ensured to have sufficient strength.

In addition, the thickness T1 of the silica gel layer 422 is less than or equal to 0.5mm, and the thickness T2 of the polyethylene layer 423 is less than or equal to 0.5mm, so that the thickness of the fixing buckle 40 can be reduced while the bronchoscope 200 is protected and the strength of the fixing buckle is maintained, and the distance between the first shearing arm 11 and the outer surface of the insertion tube 201 of the bronchoscope 200 is reduced, so that the first shearing arm 11 can be conveniently inserted into the old tracheal catheter 400 to shear the old tracheal catheter.

In some embodiments of the present utility model, the length L of the tube clamp 42 in the axial direction thereof is less than or equal to 3cm, that is, the length of the portion of the insertion tube 201 of the bronchoscope 200 connected to the artificial airway scissor 100 is less than or equal to 3cm, which is more convenient for connection between the insertion tube 201 and the tube clamp 42.

According to some alternative embodiments of the utility model, the two connecting arms comprise a first connecting arm 12 and a second connecting arm 22, the first connecting arm 12 being connected to the first shearing arm 11, the second connecting arm 22 being connected to the second shearing arm 21, the two shearing arms being switchable between an open state and a closed state, and the angle θ between the first shearing arm 11 and the second connecting arm 22 being ∈10° when the two shearing arms are in the closed state.

Specifically, the two scissor arms are switched between open loading and closed conditions to perform the shearing.

As shown in fig. 3, when the two scissor arms are in the open position, the tips of the two scissor arms may be spaced apart and the tip of the first scissor arm 11 may extend into the old endotracheal tube 400.

As shown in FIG. 4, when the two scissor arms are in a closed state, the tips of the two scissor arms can be abutted, at this time, the included angle θ between the first scissor arm 11 and the second scissor arm 22 is greater than or equal to 10 °, and because the axis of the mounting channel 41 extends along the extending direction of the first scissor arm 11, the included angle θ between the insertion tube 201 in the mounting channel 41 and the second scissor arm 22 is greater than or equal to 10 °, so that the finger ring 30 on the second scissor arm 22 and the insertion tube 201 are spaced apart by a preset distance, so as to meet the space requirement when the second scissor arm 22 rotates, facilitate the user to perform the shearing operation, and avoid the interference between the second scissor arm 22 and the insertion tube 201 when the artificial airway scissor 100 shears the old tracheal catheter 400.

According to other embodiments of the utility model, the width of the first shearing arm 11 is smaller than the width of the second shearing arm 21, each shearing arm being rounded at its end remote from the connecting arm.

Specifically, the width of the shearing arm may be the distance between the inner side and the outer side of the shearing arm, and the width of the first shearing arm 11 is smaller than the width of the second shearing arm 21, so that the width of the first shearing arm 11 is smaller, and the first shearing arm 11 can extend into the old tracheal catheter 400 to shear the old tracheal catheter 400 more conveniently.

In addition, the end of each shearing arm far away from the connecting arm is a rounded tip, and it should be noted that the rounded tip refers to the width of the end gradually decreasing, but not sharp, and the top of the tip may be an arc-shaped surface so as to avoid the tip damaging the bronchoscope 200.

In some embodiments of the utility model, the length L1 of the shearing arm is less than or equal to 5cm and the length L2 of the connecting arm is less than or equal to 10cm, thereby improving the operation comfort.

In summary, according to the artificial airway scissors 100 for replacing an endotracheal tube with the auxiliary bronchoscope 200 according to the embodiment of the present utility model, the artificial airway scissors 100 can be fixed on the bronchoscope 200 by arranging the fixing buckle 40 at one side of the two shearing arms away from the other, the relative position of the artificial airway scissors 100 and the bronchoscope 200 is kept unchanged, the auxiliary bronchoscope 200 performs the replacement of the endotracheal tube, and the old endotracheal tube 400 is sheared during the process of withdrawing the old endotracheal tube 400 along the bronchoscope 200, so as to peel the old endotracheal tube 400 from the bronchoscope 200, so that the new endotracheal tube 300 can smoothly extend into the main airway of the patient along the bronchoscope 200. The artificial airway scissors 100 can keep self stability through the fixing buckle 40 in the shearing process, solve the difficult problem that the old tracheal catheter 400 is difficult to be removed from the bronchoscope 200, and simplify the operation process of old tracheal peeling.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. An artificial airway scissors for assisting a bronchoscope in replacing an endotracheal tube, comprising:

The two scissor arms are hinged, each scissor arm comprises a shearing arm and a connecting arm, the shearing arms and the connecting arms are positioned at two sides of a hinging point of the scissor arm, and a cutting edge part is arranged at one side of each shearing arm facing each other;

The two finger rings are arranged at one end of the two connecting arms, which is far away from the corresponding shearing arms, in a one-to-one correspondence manner;

The fixing buckle is arranged on one side, away from the other side, of the two shearing arms, and the fixing buckle is provided with a mounting channel suitable for accommodating a bronchoscope.

2. The artificial airway shear for assisting in changing an endotracheal tube according to claim 1, wherein the two shearing arms include a first shearing arm and a second shearing arm, the fixing buckle is provided on a side of the first shearing arm away from the second shearing arm, and an axis of the mounting channel extends along an extending direction of the first shearing arm.

3. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 2, wherein said fixing clasp is movable to adjust an inner diameter of said mounting channel.

4. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 3, wherein the mounting channel is a cylindrical channel, and the diameter D of the mounting channel is 4mm to 7mm.

5. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 3, wherein said fixing buckle comprises:

The axis of the pipe clamp extends along the extending direction of the first shearing arm, the pipe clamp defines the mounting channel, the pipe clamp is C-shaped, an opening extending along the axial direction of the pipe clamp is formed in the peripheral surface of the pipe clamp, two lugs extending outwards are arranged at the opening of the pipe clamp, the two lugs are arranged oppositely, a threaded hole is formed in one of the two lugs, and a through hole is formed in the other of the two lugs;

The adjusting bolt penetrates through the through hole and is connected with the threaded hole, and the adjusting bolt is movable along the axial direction of the threaded hole to adjust the inner diameter of the installation channel.

6. The artificial airway scissors for assisting in bronchoscope replacement of an endotracheal tube according to claim 5, wherein said tube clamp comprises:

The silica gel layer is columnar, the silica gel layer defines the mounting channel, and the thickness T1 of the silica gel layer in the radial direction of the silica gel layer is less than or equal to 0.5mm;

And the polyethylene layer is sleeved on the outer peripheral side of the silica gel layer, and the thickness T2 of the polyethylene layer in the radial direction of the polyethylene layer is less than or equal to 0.5mm.

7. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 5, wherein the length L of the tube clamp in the axial direction thereof is not more than 3cm.

8. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 2, wherein the two connecting arms include a first connecting arm and a second connecting arm, the first connecting arm being connected to the first shearing arm, the second connecting arm being connected to the second shearing arm, the two scissor arms being switchable between an open state and a closed state, and an angle θ between the first shearing arm and the second connecting arm being equal to or greater than 10 ° when the two scissor arms are in the closed state.

9. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 2, wherein the width of the first shearing arm is smaller than the width of the second shearing arm, and an end of each of the shearing arms remote from the connecting arm is a rounded tip.

10. The artificial airway scissors for assisting in changing an endotracheal tube according to claim 1, wherein the length L1 of the shearing arm is 5cm or less and the length L2 of the connecting arm is 10cm or less.