CN112933312A - Sputum thrombus cleaning kit and cleaning method - Google Patents

Abstract

A sputum plug cleaning kit and a cleaning method are used for conveniently cleaning the sputum plug in the trachea on the premise of not damaging the inner wall of the trachea. The sputum plug suction catheter comprises a catheter and a guide wire movably arranged in the catheter, and is characterized by further comprising a negative pressure device, wherein after the guide wire is withdrawn from the catheter, the negative pressure device is connected with the catheter to suck the sputum plug into the catheter. The sputum plug cleaning device is simple in structure, can wind the sputum plug through rotation and movement, and can adsorb the sputum plug through the negative pressure device, so that the cleaning effect and efficiency of the sputum plug are ensured. The arrangement of the first and second bristles on the winding part can increase the contact chance with the sputum plug, thereby further ensuring the cleaning efficiency; first, second brush hair sets up in the inboard, not with tracheal inner wall direct contact, and then avoids the damage to tracheal inner wall. The first brush hair and the second brush hair can be pricked into the sputum plug to support the sputum plug, so that the sputum plug can move out along with the winding part.

Description

Sputum thrombus cleaning kit and cleaning method

Technical Field

The invention relates to the technical field of medical instruments, in particular to a cleaning kit and a cleaning method for cleaning a sputum plug in a trachea under a bronchoscope.

Background

When a respiratory system is infected with a child and examined under a bronchoscope, a common sputum plug blocks a small bronchial opening and blocks the ventilation of the child, so that the respiratory tract of the child is delayed and not healed, and a series of complications such as atelectasis, lung abscess and the like are possibly generated. At present, the removal of the sputum suppository mainly depends on alveolar lavage, the sputum suppository which is not easy to wash is frequently wound by a brush to pull the sputum suppository or clamped by biopsy forceps, the success probability of operation is high, but the operation time is long, and meanwhile, as the tracheal mucosa of a child patient is fragile, after the sputum suppository is removed, the intratracheal bleeding rate is high, the congestion and edema of the bronchus are easily caused, the mucosa of the child patient is repaired disadvantageously, the course of disease is possibly prolonged, and the probability of bronchial adhesion and death is increased. The sputum plug cleaning device disclosed in the chinese patent CN105997191A is characterized in that a movable and rotatable guide wire is arranged in a hollow sheath, and the sputum plug is wound at the front end of the guide wire by operating the guide wire, so as to clean the sputum plug. The bristles are fully distributed around the front end of the guide wire, and the bristles extending outwards can damage the inner wall of the trachea.

Disclosure of Invention

The invention aims to provide a sputum plug cleaning kit and a cleaning method, which are used for conveniently cleaning a sputum plug in a trachea on the premise of not damaging the inner wall of the trachea.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sputum plug cleaning kit comprises a catheter and a guide wire movably arranged in the catheter, and is characterized by further comprising a negative pressure device, wherein the negative pressure device is connected with the catheter, and after the guide wire is withdrawn from the catheter, the negative pressure device is connected with the catheter to suck the sputum plug into the catheter.

Furthermore, the front end of the guide wire is a spiral winding part, the inner side wall of the winding part is provided with first bristles and second bristles, and the first bristles and the second bristles are located on different spiral lines.

Furthermore, the front end of the guide wire is a rod-shaped winding part, a plurality of scraping plates are fixed on the outer wall of the winding part, and first bristles and second bristles are arranged on the outer wall of the winding part between every two adjacent scraping plates.

Further, the first bristles and the second bristles are axially staggered along the winding portion.

Further, the front end of the conduit is a conical flared part, and the small end of the flared part is contacted with the conduit.

Furthermore, a hollow handle is fixed at the rear end of the catheter, and a finger block is fixed on the outer wall of the handle.

Furthermore, the finger block encircles the handle, and a ring groove is arranged on the outer side wall of the finger block.

Furthermore, a round hole which is convenient for fingers to extend into is arranged on the finger block.

Further, the negative pressure device is in threaded connection or plug connection with the handle.

A sputum plug cleaning method is characterized by comprising the following steps:

(1) a flexible catheter with a built-in guide wire is inserted into the trachea until the front end of the catheter is positioned at the position of a sputum plug;

(2) the sputum plug is wound at the front end of the guide wire through the relative movement and rotation between the guide wire and the catheter;

(3) the guide wire is taken out of the catheter, then the catheter is connected with the negative pressure device, and the negative pressure device is started to suck the sputum plug into the catheter.

The invention has the beneficial effects that: the sputum plug cleaning kit and the cleaning method provided by the invention have simple structures, not only can wind the sputum plug through rotation and movement, but also can adsorb the sputum plug through the negative pressure device, so that the cleaning effect and efficiency of the sputum plug are ensured. The arrangement of the first and second bristles on the winding part can increase the contact chance with the sputum plug, thereby further ensuring the cleaning efficiency; first, second brush hair sets up in the inboard, not with tracheal inner wall direct contact, and then avoids the damage to tracheal inner wall. The first brush hair and the second brush hair can be pricked into the sputum plug to support the sputum plug, so that the sputum plug can move out along with the winding part.

Drawings

FIG. 1 is a front view of a cleaning kit of the present invention;

FIG. 2 is a front view of the catheter;

FIG. 3 is a schematic axial view of a catheter;

FIG. 4 is a front view of a guidewire;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is an axial view of the winding part according to the first embodiment;

FIG. 7 is a schematic view of the present invention in use;

FIG. 8 is a schematic view of a negative pressure device attached to the rear end of a catheter;

FIG. 9 is a schematic view of another configuration of a catheter;

FIG. 10 is an enlarged view of a portion of FIG. 9 at B;

FIG. 11 is a schematic structural view of a second embodiment of a winding part at the front end of a guide wire;

FIG. 12 is an axial schematic view of FIG. 11;

FIG. 13 is a schematic view of one of the other configurations of the handle;

FIG. 14 is a second schematic view of another embodiment of the handle;

FIG. 15 is a third schematic view of another embodiment of the handle;

in the figure: 1 catheter, 11 handle, 12 baffle, 13 flared part, 14 finger block, 141 ring groove, 142 round hole, 2 guide wire, 21 pull ring, 22 protrusion, 23 winding part, 231 first bristle, 232 second bristle, 233 scraper and 3 negative pressure device.

Detailed Description

As shown in fig. 1 to 15, the cleaning kit of the present invention mainly comprises a catheter 1, a guide wire 2 and a negative pressure device 3, and the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the conduit 1 is a flexible tube, which has a certain flexibility and is freely bent. The conduit is a transparent piece and is slender as a whole. The front end of the catheter is open, the handle 11 is fixed at the rear end of the catheter, the handle 11 is a hard plastic part, the cross section of the handle is circular, and the inner cavity of the handle is communicated with the inner cavity of the catheter. The inside of the handle is provided with a round hole, and the size of the round hole on the handle is larger than the outer diameter of the catheter. A pair of baffles 12 arranged in parallel are fixed on the handle, the baffles are circular or oval plastic plates, and the baffles and the handle can be integrally manufactured and molded. In use, the catheter is adapted to extend into the trachea.

As shown in fig. 4 and 5, the guide wire 2 is made of a flexible material and has a certain rigidity, and the front end of the guide wire is provided with a winding part 23 for winding the sputum plug. The rear end of the guide wire is a pull ring 21 which is a circular plastic piece, the outer side wall of the pull ring is provided with a protrusion 22, and the rear end of the guide wire extends into the protrusion and is fixedly connected with the protrusion. As shown in fig. 5, the winding portion is spiral, the first brush hairs 231 and the second brush hairs 232 are fixed on the inner side wall of the winding portion, and the first brush hairs and the second brush hairs are uniformly arranged along the spiral lines where the first brush hairs and the second brush hairs are respectively located. As shown in fig. 6, looking along the axial direction of the winding part, the first and second bristles are both located at the inner side of the winding part, and because the first and second bristles are not leaked outside, when the winding part rotates or moves in the air pipe, the first and second bristles are not in direct contact with the inner wall of the air pipe, and further the damage to the air pipe is avoided. The first and second bristles can contact with the sputum plug adhered to the inner wall of the trachea, and the sputum plug can be wound to be scraped from the inner wall of the trachea when moving along with the rotation of the guide wire.

In use, as shown in figure 7, the front end of the catheter is inserted into the trachea of a patient until the front end of the trachea reaches the position of the sputum plug. Then, the pull ring is held to drive the winding part at the front end of the guide wire to extend out of the guide pipe, the pull ring is rotated, and the pull ring is pushed and pulled, so that the winding part rotates and moves in the trachea, the sputum plug is wound, and the sputum plug is cleaned.

On the premise of not increasing the overall complexity, in order to increase the density of the first bristles and the second bristles, the first bristles and the second bristles are staggered in the circular plane where the winding part is located.

As shown in fig. 8, the negative pressure device 3 is used to connect with the handle on the catheter, and the negative pressure device can be a syringe without a needle or a small and miniature air pump. When the sputum plug winding device is used, firstly, the sputum plug is wound through the guide wire, then the guide wire is withdrawn from the catheter, the negative pressure device is connected with the catheter, and the sputum plug remained in the trachea is adsorbed out through the negative pressure device; the front section of the catheter can be placed in the sputum plug to adsorb the sputum plug. The negative pressure device is connected with the handle in a threaded or plug-in manner.

In order to increase the contact surface between the front end of the catheter and the sputum plug so as to facilitate the adsorption of the sputum plug, as shown in fig. 9 and 10, the front end of the catheter is a flared part 13, the flared part is conical, and the small end of the flared part is in contact connection with the catheter into a whole. When the sputum plug is used, the large end of the flaring part is aligned to the sputum plug, then the sputum plug is adsorbed through the negative pressure device, when the negative pressure device is an injector, the catheter and the flaring part form a Venturi tube structure, the sputum plug flows fast in the catheter at the moment, the sputum plug flows to one side where the negative pressure device is located, and then the sputum plug is prevented from flowing back to the trachea after entering the catheter.

As shown in fig. 11, the winding portion 23 may be a bar shape having a circular cross section, in this case, a plurality of flexible scrapers 233 are fixed to an outer wall of the winding portion, first bristles 231 and second bristles 232 are fixed to the winding portion between each adjacent two scrapers, the first bristles between each adjacent two scrapers are arranged in a row along the axial direction of the winding portion, the second bristles between each adjacent two scrapers are also arranged in a row along the axial direction of the winding portion, and the first bristles and the second bristles are staggered along the axial direction of the winding portion. As shown in fig. 12, in the cross section of the winding portion, the first bristles in the row intersect the vertical plane of the second bristles in the row at an acute included angle. When the guide wire is rotated, the first brush hair and the second brush hair can not be contacted with the inner wall of the trachea, and further the inner wall of the trachea is prevented from being damaged. The soft and limit arris department of scraper blade texture is equipped with the fillet, and the contact of scraper blade and endotracheal wall can not harm the endotracheal wall, nevertheless can scrape except that phlegm is tied, and first, second brush hair this moment can also clear up the remaining small phlegm of endotracheal wall except pricking increase and phlegm tie frictional force in the phlegm is tied. The length of the first and second brush hairs is less than the width of the scraper, so as to avoid direct leakage of the brush hairs.

When nursing such as cleaning of sputum embolus is carried out, medical personnel operate under the bronchoscope, and the operation process is very meticulous and careful, leads to medical personnel easily to be tired out. For this purpose, as shown in fig. 13, a finger block 13 is provided on the outer side of the handle, and the finger block is dumbbell-shaped and surrounds the handle. The outer side wall of the finger block is provided with a ring groove, so that the finger block is in a dumbbell shape. The cross section of the ring groove is fan-shaped, so that the contact surface of fingers and the finger block can be enlarged, and the comfort when the handle is clamped is increased. As shown in fig. 14, the finger block may also be plate-shaped, and the finger block includes a rectangular portion and a semicircular portion, and the two portions are fixedly connected to form a whole. The finger block is fixed on the side wall of the handle, a round hole 142 is arranged on the finger block so as to be convenient for the finger to extend, and the finger can be hooked after the finger is bent after extending into the round hole. As shown in figure 15, the finger block can also be encircled on the handle, and the handle penetrates into the rectangular part of the finger block, so that the handle and the finger block can rotate relatively. But a damping piece is arranged between the handle and the finger block to increase the friction force between the handle and the finger block, so that the handle and the finger block can rotate relatively under the action of manpower. The finger block is rotationally connected with the handle, and the sputum plug cleaning device is suitable for the situation that the handle needs to be rotated in the sputum plug cleaning process.

A sputum plug cleaning method is characterized by comprising the following steps:

(1) a flexible catheter with a built-in guide wire is inserted into the trachea until the front end of the catheter is positioned at the position of a sputum plug;

(2) the sputum plug is wound at the front end of the guide wire through the relative movement and rotation between the guide wire and the catheter;

(3) taking out the guide wire from the catheter, then connecting the catheter with a negative pressure device, and starting the negative pressure device to suck the sputum plug into the catheter; the front section of the catheter can be placed in the sputum plug to adsorb the sputum plug.

The sputum plug cleaning device is simple in structure, can wind the sputum plug through rotation and movement, and can adsorb the sputum plug through the negative pressure device, so that the cleaning effect and efficiency of the sputum plug are ensured. The arrangement of the first and second bristles on the winding part can increase the contact chance with the sputum plug, thereby further ensuring the cleaning efficiency; first, second brush hair sets up in the inboard, not with tracheal inner wall direct contact, and then avoids the damage to tracheal inner wall. The first brush hair and the second brush hair can be pricked into the sputum plug to support the sputum plug, so that the sputum plug can move out along with the winding part.

Claims (10)

1. A sputum plug cleaning kit comprises a catheter and a guide wire movably arranged in the catheter, and is characterized by further comprising a negative pressure device, wherein the negative pressure device is connected with the catheter, and after the guide wire is withdrawn from the catheter, the negative pressure device is connected with the catheter to suck the sputum plug into the catheter.

2. The sputum plug cleaning kit of claim 1, wherein the front end of the guide wire is a spiral winding part, and the inner side wall of the winding part is provided with a first bristle and a second bristle, the first bristle and the second bristle being on different spiral lines.

3. The sputum plug cleaning kit of claim 1, wherein the front end of the guide wire is a rod-shaped winding portion, a plurality of scrapers are fixed on the outer wall of the winding portion, and first bristles and second bristles are arranged on the outer wall of the winding portion between every two adjacent scrapers.

4. The sputum plug cleaning kit of claim 3, wherein the first bristles and the second bristles are axially offset along the winding.

5. The sputum plug cleaning kit of claim 1, wherein the front end of the catheter is a conical flared portion, and the small end of the flared portion contacts the catheter.

6. The sputum plug cleaning kit of claim 1, wherein a hollow handle is fixed to the rear end of the catheter, and a finger block is fixed to the outer wall of the handle.

7. The sputum plug cleaning kit of claim 6, wherein the finger block encircles the handle and a ring groove is formed on the outer side wall of the finger block.

8. The sputum plug cleaning kit of claim 6, wherein the finger block is provided with a circular hole for facilitating insertion of a finger.

9. The sputum plug cleaning kit of claim 1, wherein the negative pressure device is connected with the handle by a screw thread or a plug.

10. A sputum plug cleaning method is characterized by comprising the following steps:

(1) a flexible catheter with a built-in guide wire is inserted into the trachea until the front end of the catheter is positioned at the position of a sputum plug;

(2) the sputum plug is wound at the front end of the guide wire through the relative movement and rotation between the guide wire and the catheter;

(3) the guide wire is taken out of the catheter, then the catheter is connected with the negative pressure device, and the negative pressure device is started to suck the sputum plug into the catheter.

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