Tracheal catheter capable of indicating pressure of cuff

Abstract

The utility model relates to a tracheal catheter capable of indicating cuff pressure, which relates to the technical field of tracheal catheters and comprises a catheter body, a cannula is sleeved at the lower end of the catheter body in a sliding manner, an air bag is sleeved outside the cannula, and an adjusting mechanism for adjusting the position of the cannula is arranged at the top of the cannula of the catheter body. According to the tracheal catheter capable of indicating the pressure of the cuff, the position of the cuff on the catheter can be adjusted according to use requirements, so that when the tracheal catheter is used under different conditions, catheters with different lengths do not need to be selected, the catheters do not need to be cut out, and the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tracheal catheter technical field, specifically is a tracheal catheter that can indicate cuff pressure. BACKGROUND

[0002] Tracheal catheter is inserted into the trachea of patient and provides a temporary artificial breathing passage for patient, and the outside of tracheal catheter is usually provided with a cuff, the cuff is inflated to expand, and then is supported in the trachea to maintain the stability after catheter insertion, for example, the tracheal catheter capable of indicating cuff pressure disclosed in the publication No. CN204637223U, the tracheal catheter includes a tube body, a cuff, an inflation catheter and a pressure inflation valve, and the cuff pressure indicating device can simply and quickly adjust the cuff pressure in the safety range of 20cmH2O~30cmH2O, avoid air leakage caused by substandard cuff pressure, influence ventilation effect, or influence tracheal mucosa blood perfusion caused by over-standard cuff pressure, cause local ischemia and other problems, so that the whole anesthesia process is safer.

[0003] But the tracheal catheter capable of indicating cuff pressure still has the following shortcomings in actual use: the cuff on the traditional tracheal catheter and the catheter are mostly fixedly arranged, the position of the cuff on the catheter cannot be adjusted according to use requirements, so that when the tracheal catheter is used in different situations, different lengths of catheters need to be selected or the catheter needs to be cut, and therefore the tracheal catheter is not convenient to use. In view of the above problems, it is urgent to make innovative design on the basis of the original tracheal catheter. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a tracheal catheter capable of indicating cuff pressure to solve the problem that the cuff on the traditional tracheal catheter and the catheter are mostly fixedly arranged, the position of the cuff on the catheter cannot be adjusted according to use requirements, so that when the tracheal catheter is used in different situations, different lengths of catheters need to be selected or the catheter needs to be cut, and therefore the tracheal catheter is not convenient to use.

[0005] In order to achieve the above purpose, the utility model technical scheme provides a tracheal catheter capable of indicating cuff pressure, which comprises a catheter body, a sleeve is slidably arranged at the lower end of the catheter body, a gas bag is sleeved outside the sleeve, and an adjusting mechanism for adjusting the position of the sleeve is arranged at the top of the sleeve of the catheter body.

[0006] Preferably, the adjusting mechanism comprises a sleeve ring slidably arranged outside the catheter body and a movable rod penetrating the sleeve and connected with the sleeve ring.

[0007] Preferably, the lower end of the movable rod is provided with a guide groove close to the side surface of the catheter body, the inner wall of the sleeve is provided with a guide block, the guide block is sleeved with the guide groove close to the end of the catheter body, the guide groove is provided with an inclined groove wall above the guide block, the surface of the catheter body is provided with a limiting hole, and the bottom of the movable rod extends to the catheter body and is provided with a fixed block which can be engaged with the limiting hole.

[0008] Preferably, the limiting hole is provided with a plurality of limiting holes and is distributed at equal intervals along the length direction of the catheter body.

[0009] Preferably, the surface of the fixed block is smoothly transitioned.

[0010] Preferably, a spring is wound outside the movable rod, the spring is located inside the sleeve and close to the top of the sleeve, and the upper and lower ends of the spring are connected to the top of the sleeve and the lower end of the movable rod respectively.

[0011] Preferably, the catheter body is provided with a fixing groove along the extension direction thereof, a supporting ring is slidably connected in the fixing groove, and the supporting ring is connected with the gas conveying pipe.

[0012] Preferably, the gas bag is connected with the gas conveying pipe, the end of the gas conveying pipe away from the gas bag is provided with an inflation port, and the side of the gas conveying pipe is provided with a pressure gauge.

[0013] Preferably, the top of the catheter body is provided with an air inlet.

[0014] Preferably, the sleeve and the catheter body are made of the same material, and the lower end of the movable rod is made of rubber.

[0015] Compared with the prior art, the beneficial effects of the air tube catheter capable of indicating the pressure of the sleeve bag are as follows: the position of the sleeve bag on the catheter can be adjusted according to the use requirement, so that the catheter of different lengths does not need to be selected, and the catheter does not need to be cut, and the convenience of use is improved.

[0016] The specific content is as follows:

[0017] 1. The sleeve ring can be pressed to slide on the catheter body, thereby driving the movable rod to slide on the sleeve, when the movable rod is lowered, the inclined portion on the limiting groove can be in contact with the guide block, and the lower end of the movable rod is inclined to drive the fixed block to separate from the limiting hole, so that the sleeve can be pushed to slide on the catheter body, thereby adjusting the position of the sleeve bag.

[0018] 2. After the adjustment, release the pressing of the ring, the spring rebound can drive the movable rod to rise, and the guide block contacts the push of the lower end of the movable rod, the movable rod drives the fixed block to be clamped in the limiting hole in the corresponding position, ensures the stability of the position of the sleeve after moving, and is convenient for the catheter body to be inserted into the trachea of the patient for use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a support ring and catheter body connecting structure schematic diagram of the utility model;

[0021] Figure 3 It is a local front view structural schematic diagram of the utility model;

[0022] Figure 4 It is a front view structural schematic diagram of the utility model Figure 3 It is an enlarged structure schematic diagram of A in the utility model;

[0023] Figure 5 It is a movable rod side view structural schematic diagram of the utility model;

[0024] Figure 6 It is a sleeve front view structural schematic diagram of the utility model.

[0025] The drawings show that: 1, catheter body; 2, air inlet; 3, sleeve; 4, air bag; 5, gas delivery pipe; 6, inflation port; 7, pressure gauge; 8, support ring; 9, fixed groove; 10, movable rod; 11, ring; 12, limiting groove; 13, guide block; 14, fixed block; 15, limiting hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] With reference to Figures 1 to 6 , the utility model embodiment proposes a tracheal catheter capable of indicating cuff pressure, and the specific technical scheme is as follows:

[0028] The tracheal catheter comprises a catheter body 1, an air inlet nozzle 2 is fixed at the top of the catheter body 1, a sleeve 3 is sleeved at the lower end of the catheter body 1, the sleeve 3 is made of the same material as the catheter body 1, and an air bag 4 is attached to the outer side of the sleeve 3. In addition, it also comprises a gas delivery pipe 5, one end of which communicates with the cavity between the air bag 4 and the sleeve 3, the other end of the gas delivery pipe 5 is connected with an inflation port 6, and a pressure gauge 7 is arranged on the side of the gas delivery pipe 5. An adjusting mechanism is arranged at the top of the sleeve 3 for adjusting the height of the sleeve 3 on the catheter body 1.

[0029] The existing tracheal catheter sleeve and catheter are fixedly arranged, the position of the sleeve cannot be adjusted according to the use requirement, and different lengths of catheters need to be selected or the catheter needs to be cut during use, which is inconvenient to use. In order to solve this problem, a supporting ring 8 is fixedly sleeved outside the gas delivery pipe 5, the side surface of the supporting ring 8 and the fixed groove 9 on the side surface of the catheter body 1 form a sliding structure, and the supporting ring 8 can slide synchronously in the fixed groove 9 when the sleeve 3 is lifted. The adjusting mechanism comprises a movable rod 10 penetrating through the top of the sleeve 3, the sleeve 3 is slidably connected with the catheter body 1, a sleeve ring 11 is sleeved outside the catheter body 1, and the position of the air bag 4 can be adjusted by sliding on the catheter body 1. The sleeve ring 11 is fixed to the top of the movable rod 10 and slidably connected with the catheter body 1, the sleeve ring 11 can slide on the catheter body 1 by pressing, and then the movable rod 10 slides on the sleeve 3. The movable rod 10 and the sleeve 3 form another sliding structure, a spring is wound outside the movable rod 10 to reset the movable rod 10, a limiting groove 12 is formed in the lower end of the movable rod 10, and the inclined surface of the limiting groove 12 can be in contact with a guide block 13 when the movable rod 10 is lowered. The guide block 13 is sleeved at the lower end of the movable rod 10 and fixed to the inner wall of the sleeve 3, the groove in the inner wall of the guide block 13 is in contact with the limiting groove 12, the lower end of the movable rod 10 is made of rubber material and can be inclined by the pushing of the guide block 13. A fixed block 14 is arranged on the side surface of the lower end of the movable rod 10, and the catheter body 1 is provided with equidistantly distributed limiting holes 15, the fixed block 14 is clamped with the limiting holes 15, and the position of the sleeve is stable when clamped.

[0030] Compared with the prior art, the tracheal catheter can adjust the position of the cuff on the catheter according to the use requirement, without selecting a catheter with different length or cutting the catheter, and the convenience of use is improved. In the specific operation, the sleeve ring 11 is pressed to slide on the catheter body 1, the movable rod 10 is driven to slide on the sleeve 3, the inclined portion of the limiting groove 12 contacts the guide block 13 after the movable rod 10 is lowered, the movable rod 10 is inclined at the lower end, the fixed block 14 is separated from the limiting hole 15, and then the sleeve 3 is driven to slide on the catheter body 1, and the position of the cuff is adjusted. During the lifting of the sleeve 3, the support ring 8 is driven to slide in the fixed groove 9 by the gas delivery pipe 5, the position of the gas delivery pipe 5 is changed, the inflation of the air bag 4 through the inflation port 6 is facilitated in the later stage, and the cuff pressure is displayed through the pressure gauge 7 after inflation. After the adjustment is completed, the sleeve ring 11 is loosened, the movable rod 10 is lifted by the spring resilience, the movable rod 10 is pushed at the lower end by the guide block 13, the fixed block 14 is clamped in the limiting hole 15 at the corresponding position, the position of the sleeve 3 is ensured to be stable, and the catheter body 1 is conveniently inserted into the trachea of a patient for use.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An endotracheal tube capable of indicating cuff pressure, characterized in that, The utility model provides a kind of catheter, including catheter body (1), the lower end of the catheter body (1) is sleeved with sleeve pipe (3), the sleeve pipe (3) is covered with air bag (4) outside, the catheter body (1) is equipped with adjusting mechanism for adjusting the position of the sleeve pipe (3) at the top of the sleeve pipe (3);The adjusting mechanism includes sleeve ring (11) that is sleeved on the outside of the catheter body (1), and movable rod (10) that is passed through the sleeve pipe (3) and is connected with the sleeve ring (11);The lower end of the movable rod (10) is equipped with guide slot near the side of the catheter body (1), the inner wall of the sleeve pipe (3) is equipped with guide block (13), the guide block (13) is sleeved with the guide slot near the end of the catheter body (1), the guide slot is equipped with inclined slot wall above the guide block (13), the surface of the catheter body (1) is equipped with limiting hole (15), the bottom of the movable rod (10) extends to the catheter body (1) and is equipped with fixed block (14) that can be engaged with the limiting hole (15);The limiting hole (15) is equipped with multiple, and is distributed along the length direction of the catheter body (1) equidistantly.

2. The tracheal tube capable of indicating cuff pressure according to claim 1, wherein, The surface of the fixed block (14) is smoothly transitioned.

3. The tracheal tube capable of indicating cuff pressure according to claim 1, wherein, Spring is wound outside the movable rod (10), and the spring is located inside the sleeve pipe (3) and is close to the top of the sleeve pipe (3), and the upper and lower ends of the spring are connected with the top of the sleeve pipe (3) and the lower end of the movable rod (10) respectively.

4. The tracheal tube capable of indicating cuff pressure according to any one of claims 1-3, wherein, The catheter body (1) is provided with a fixing groove (9) along its extension direction, and a supporting ring (8) is slidably connected in the fixing groove (9).

5. The tracheal tube capable of indicating cuff pressure according to claim 4, wherein, The air bag (4) is connected with the gas delivery pipe (5), and the end of the gas delivery pipe (5) away from the air bag (4) is provided with an inflation port (6).

6. The tracheal tube capable of indicating cuff pressure according to any one of claims 1-3, wherein, The top of the catheter body (1) is provided with an air inlet nozzle (2).

7. The tracheal tube capable of indicating cuff pressure according to any one of claims 1-3, wherein, The sleeve pipe (3) and the catheter body (1) are made of the same material, and the lower end of the movable rod (10) is made of rubber.

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