CN221786671U - Impurity absorption and filtration device under arthroscope and absorption and filtration system containing same - Google Patents

Abstract

The utility model provides an arthroscopic impurity absorption and filtering device and an absorption and filtering system containing the same, the device comprises an inner suction tube and an outer filter screen tube covered on the front section of the inner suction tube, the front section of the inner suction tube is provided with a suction hole, the suction hole is connected with the inner suction tube, and the rear section of the inner suction tube is used to connect a negative pressure device; the tube wall structure of the outer filter screen tube is meshed, and filter holes are formed to absorb impurities, and the aperture of the filter holes is larger than the aperture of the suction holes; the inner suction tube cooperates with the negative pressure device to absorb impurities in the joint cavity, and the adsorption force is strong and the cleaning effect is good. At the same time, the outer filter screen tube is provided on the outer cover of the inner suction tube to absorb larger impurities, so as to avoid that the impurities are too large to be sucked out through the inner suction tube or the larger impurities block the inner suction tube, thereby further ensuring the overall impurity removal effect and the effectiveness of the use of the entire device, the impurity removal effect is good, and the device has good stability in use, so that after use, the device has a better surgical field of view and is convenient for surgical operations.

Description

Arthroscopic impurity absorption and filtering device and absorption and filtering system containing the same

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an arthroscopic impurity absorption and filtering device and an absorption and filtering system containing the same.

Background Art

Arthroscopy is a minimally invasive technique used to examine and diagnose internal lesions of joints (e.g., shoulder, hip, knee, ankle, etc.), such as arthritis, bursitis, ligament injury, meniscus injury, etc. During arthroscopy, the doctor inserts an arthroscope into the joint through one or more small incisions to observe various parts of the joint for diagnosis and treatment.

However, during the arthroscopic examination, impurities such as bubbles, fat, blood clots, bone fragments, soft tissue fragments, etc. in the joint cavity will block the catheter, resulting in unclear surgical field of view and affecting the surgical operation.

To solve this problem, the prior art generally injects saline into the joint cavity and then releases the saline through a water outlet pipe to remove impurities such as air bubbles, fat, blood clots, bone fragments, and soft tissue fragments in the joint. However, in many clinical cases, these impurities cannot flow out of the joint cavity due to their large size and strong adhesion, resulting in incomplete cleaning.

Therefore, the above-mentioned prior art has at least the following technical problems: the method used in the prior art to clean impurities in the joint cavity during arthroscopy is poor in cleaning effect, resulting in unclear surgical field of view and affecting the normal progress of the operation.

Utility Model Content

The embodiments of the present application provide an arthroscopic impurity absorption and filtration device and an absorption and filtration system containing the same, thereby solving the technical problem that the method used in the prior art for cleaning impurities in the joint cavity during arthroscopic examination has poor cleaning effect, resulting in unclear surgical field of view and affecting the normal progress of the operation.

In order to solve the above technical problems, in the first aspect, the embodiment of the present application provides an arthroscopic impurity absorption and filtering device, the device comprising an inner suction tube and an outer filter tube covered on the front section of the inner suction tube, the front section of the inner suction tube is provided with a suction hole, the suction hole is communicated with the inner suction tube, and the rear section of the inner suction tube is used to connect to a negative pressure device;

The tube wall of the outer filter tube is in a mesh shape, and is formed with filter holes for adsorbing impurities, and the aperture of the filter holes is larger than the aperture of the suction holes;

Wherein, the inner suction tube sucks out a part of the impurities under the action of the negative pressure device, and the outer filter tube absorbs a part of the impurities.

Furthermore, the outer end of the outer filter tube is formed with a tube bottom for covering the outer end of the inner suction tube, and the inner end of the outer filter tube is configured with a tube opening for the inner suction tube to be inserted.

Furthermore, the inner suction tube is detachably connected to the outer filter tube.

Furthermore, a first external thread is provided on the outer wall of the inner suction pipe, and a first internal thread is provided on the inner wall of the pipe opening of the outer filter pipe. The inner suction pipe and the outer filter pipe are detachably connected by screwing the first internal thread and the first external thread.

Furthermore, the inner suction tube and the outer filter tube are both elastic.

Furthermore, the diameter of the suction hole is 2 mm, and the diameter of the filter hole is 5 mm.

Furthermore, a switch for controlling the on and off of the inner suction tube is formed on the inner suction tube.

Further, the switch includes an intercepting surface rotatably disposed in the inner suction tube, and the intercepting surface is used to block the cross section of the inner suction tube;

The screw rod radially passes through the inner suction tube and is connected to the interception surface. When the screw rod rotates, the interception surface can be driven to rotate, thereby blocking or conducting the inner suction tube.

Furthermore, a radial hole is provided on the inner suction tube, a second internal thread is provided on the inner wall of the radial hole, a second external thread is provided on the outer wall of the screw, and the screw and the radial hole are rotatably connected through the threaded cooperation of the second external thread and the second internal thread.

In a second aspect, an embodiment of the present application provides an arthroscopic impurity absorption and filtration system, the system comprising a negative pressure device and an apparatus as described in the first aspect, and the negative pressure device is connected to the rear section of the internal suction tube to provide negative pressure to the internal suction tube.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

(1) The embodiment of the present application arranges an internal suction tube in conjunction with a negative pressure device to absorb impurities such as bubbles, fat, blood clots, bone debris, soft tissue debris, etc. in the joint cavity, with strong adsorption force and good cleaning effect. At the same time, an external filter tube is arranged on the outer cover of the internal suction tube to adsorb larger impurities to avoid impurities that are too large to be sucked out through the internal suction tube or large impurities clogging the internal suction tube, further ensuring the overall impurity removal effect and the effectiveness of the entire device, and effectively solving the technical problem that the method used in the prior art for cleaning impurities in the joint cavity during arthroscopy has poor cleaning effect, resulting in unclear surgical field of view and affecting the normal progress of the operation. The impurity removal effect is good and the device has good stability in use, so that after use, there is a good surgical field of view, which is convenient for surgical operations.

(2) The inner suction tube is detachably connected to the outer filter tube. With this arrangement, the outer filter tube can be removed for flushing or replacement, which is highly practical.

(3) The inner suction tube and the outer filter screen tube are detachably connected by screwing the first inner thread and the first outer thread. When the two are connected, the connection strength is high and the effectiveness is good. It is also very convenient to separate the two.

(4) The inner suction tube and the outer filter tube are both elastic. With such arrangement, the device can be deformed appropriately after entering the joint cavity to prevent damage to structures such as articular cartilage, meniscus, and ligaments. At the same time, it can reach each required joint compartment with good effectiveness.

(5) The aperture of the suction hole is 2 mm, and the aperture of the filter hole is 5 mm. Such a configuration can ensure that most of the impurities can be sucked away through the filter hole. At the same time, the filter hole can intercept and adsorb larger impurities, thereby ensuring that the internal suction tube and other pipelines will not be blocked, thereby improving the practicality and effectiveness of the device.

(6) A switch for controlling the on and off of the inner suction tube is formed on the inner suction tube. The on and off of the switch can control the working state of the inner suction tube, which is convenient for users to control and improves practicality.

BRIEF DESCRIPTION OF THE DRAWINGS

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

FIG1 is a schematic diagram of the overall structure of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG2 is a top view of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG3 is a bottom view of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG4 is a side view of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG5 is a cross-sectional view of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG6 is an axonometric view of an inner suction tube of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG7 is a top view of an inner suction tube of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG8 is a side view of an inner suction tube of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model;

FIG. 9 is a cross-sectional view of a switch of an arthroscopic impurity absorption and filtering device in one embodiment of the utility model.

DETAILED DESCRIPTION

The embodiments of the present application provide an arthroscopic impurity absorption and filtration device and an absorption and filtration system containing the same, thereby solving the technical problem that the method used in the prior art for cleaning impurities in the joint cavity during arthroscopic examination has poor cleaning effect, resulting in unclear surgical field of view and affecting the normal progress of the operation.

The technical solution in the embodiment of the present application is to solve the above technical problems, and the overall idea is as follows:

By setting an internal suction tube in cooperation with a negative pressure device to absorb impurities such as bubbles, fat, blood clots, bone fragments, soft tissue fragments, etc. in the joint cavity, the adsorption force is strong and the cleaning effect is good. At the same time, an external filter tube is provided on the outer cover of the internal suction tube to adsorb larger impurities to avoid impurities that are too large to be sucked out through the internal suction tube or larger impurities clogging the internal suction tube, thereby further ensuring the overall impurity removal effect and the effectiveness of the entire device. It effectively solves the technical problem that the method used in the prior art for cleaning impurities in the joint cavity during arthroscopy has poor cleaning effect, resulting in unclear surgical field of view and affecting the normal progress of the operation. The impurity removal effect is good and the device has good stability in use, so that after use, there is a better surgical field of view, which is convenient for surgical operations.

In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

One or more embodiments of the present application provide an arthroscopic impurity absorption and filtering device, which can be used to construct an arthroscopic impurity absorption and filtering system to remove impurities such as bubbles, fat, blood clots, bone fragments, soft tissue fragments, etc. in the joint cavity during arthroscopic examination. Of course, in other embodiments, the filtering device can also be used in other occasions, which is not limited here.

As shown in FIG. 1, an embodiment of the present application provides an arthroscopic impurity absorption and filtering device, the device comprising an inner suction tube 100 and an outer filter tube 200 covered on the front section 110 of the inner suction tube 100, a suction hole 130 is opened on the front section 110 of the inner suction tube 100, the suction hole 130 is communicated with the inner suction tube 100, and the rear section 120 of the inner suction tube 100 is used to connect a negative pressure device;

The outer filter tube 200 has a wall structure in a mesh shape, and is provided with filter holes 230 for adsorbing impurities, and the aperture of the filter holes 230 is larger than the aperture of the suction hole 130;

Wherein, the inner suction tube 100 sucks out a part of the impurities under the action of the negative pressure device, and the outer filter tube 200 absorbs a part of the impurities.

From the above description, it can be known that the embodiment of the present application arranges an internal suction tube 100 to cooperate with a negative pressure device to absorb impurities such as bubbles, fat, blood clots, bone debris, soft tissue debris, etc. in the joint cavity, with strong adsorption force and good cleaning effect. At the same time, an external filter tube 200 is provided on the outer cover of the internal suction tube 100 to adsorb larger impurities to avoid impurities that are too large to be sucked out through the internal suction tube 100 or larger impurities clogging the internal suction tube 100, further ensuring the overall impurity removal effect and the effectiveness of the entire device, and effectively solving the technical problem that the method used in the prior art for cleaning impurities in the joint cavity during arthroscopy examination has poor cleaning effect, resulting in unclear surgical field of view and affecting the normal progress of the operation. The impurity removal effect is good and the device has good stability in use, so that after use, there is a better surgical field of view, which is convenient for surgical operations.

It should be noted that the front section refers to the section facing toward and close to the user when in use, and the rear section refers to the section facing toward and close to the operator (medical staff) when in use. The use of "front section" and "rear section" is only for the convenience of description, and these or other directional terms should not be interpreted as restrictive terms.

In addition, the suction holes 130 are evenly arranged on the front section 110 of the inner suction pipe 100, and the outer filter pipe 200 covers all the suction holes 130. No suction holes 130 are arranged on the rear section 120 of the inner suction pipe 100.

In one embodiment of the present application, the outer end of the outer filter tube 200 is formed with a tube bottom 210 for covering the outer end of the inner suction tube 100, and the inner end of the outer filter tube 200 is configured with a tube opening 220 for the inner suction tube 100 to be inserted.

Specifically, the tube bottom 210 is an arc-shaped surface. By providing the tube bottom 210, the coverage rate of the outer filter tube 200 on the inner suction tube 100 can be increased to improve the overall filtering and adsorption effect, thereby improving the overall adsorption effect.

In addition, in order to ensure that the suction hole 130 has a good adsorption force, a blocking end surface is formed at the front end of the inner suction tube 100 .

In one embodiment of the present application, the inner suction tube 100 is detachably connected to the outer filter tube 200. With this arrangement, the outer filter tube 200 can be removed for flushing or replacement, which is highly practical.

In one embodiment of the present application, a first external thread 113 is provided on the outer wall of the inner suction tube 100, and a first internal thread is provided on the inner wall of the pipe mouth 220 of the outer filter tube 200. The inner suction tube 100 and the outer filter tube 200 are detachably connected by screwing the first internal thread and the first external thread 113.

Specifically, the inner suction tube 100 and the outer filter tube 200 are detachably connected by screwing the first inner thread and the first outer thread 113. When the two are connected, the connection strength is high and the effectiveness is good. It is also very convenient to separate the two.

In one embodiment of the present application, the inner suction tube 100 and the outer filter tube 200 are both elastic (for example, they can be thermoplastic elastomer (TPE) hoses). With such a configuration, the device can deform appropriately after entering the joint cavity to prevent damage to structures such as articular cartilage, meniscus, and ligaments, while at the same time being able to reach the required joint compartments with good effectiveness.

In one embodiment of the present application, the aperture of the suction hole 130 is 2 mm, and the aperture of the filter hole 230 is 5 mm. This arrangement can ensure that most of the impurities can be sucked away through the filter hole 230. At the same time, the filter hole 230 can intercept and adsorb larger impurities, thereby ensuring that the internal suction tube 100 and other pipelines will not be blocked, thereby improving the practicality and effectiveness of the device.

In one embodiment of the present application, a switch 300 for controlling the on and off of the inner suction tube 100 is formed on the inner suction tube 100 .

Specifically, the working state of the inner suction tube can be controlled by turning the switch 300 on and off, which is convenient for users to control and improves practicality.

In one embodiment of the present application, the switch 300 includes an interception surface 320 rotatably disposed in the inner suction tube 100 , and the interception surface 320 is used to block the cross section of the inner suction tube 100 ;

The screw 310 passes through the inner suction tube 100 along the radial direction of the inner suction tube 100 and is connected to the intercepting surface 320 . When the screw 310 rotates, it can drive the intercepting surface 320 to rotate, thereby blocking or conducting the inner suction tube 100 .

Specifically, a radial hole is opened on the inner suction tube 100, a second internal thread is arranged on the inner wall of the radial hole, a second external thread 311 is arranged on the outer wall of the screw rod 310, and the screw rod 310 and the radial hole are rotatably connected through the threaded cooperation of the second external thread 311 and the second internal thread.

Specifically, the screw 310 and the radial hole are rotatably connected through the threaded cooperation of the second external thread 311 and the second internal thread, which can not only ensure the relative fixation of the screw 310 and the internal suction tube 100, but also allow the screw 310 to rotate relative to the internal suction tube 100, thereby ensuring the effective operation of the device.

By connecting the rear end of the inner suction tube 100 with the negative pressure device, an arthroscopic impurity absorption and filtration system can be formed. The negative pressure device provides negative pressure to the inner suction tube 100, thereby attracting or adsorbing impurities in the joint cavity. After the device is drawn out of the joint cavity, larger impurities adsorbed on the outer filter tube 200 can be taken out.

It should be noted that the negative pressure device can be a mature medical suction negative pressure device already available in the prior art, which will not be elaborated here.

An exemplary method of using the arthroscopic impurity absorption and filtering device described in the embodiment of the present application is as follows:

Insert the front section of the device into the target joint, then connect the rear end of the internal suction tube 100 to the negative pressure device, turn on the negative pressure device to start suction, and after the suction is completed, pull the device out of the joint to remove the impurities adsorbed on the external filter tube 200, then remove the external filter tube 200 from the internal suction tube 100 and rinse it clean.

It should be understood that although the terms "first", "second", etc. may be used herein to describe various units, these units should not be limited by these terms. These terms are used only to distinguish one unit from another. For example, a first unit may be referred to as a second unit, and similarly, a second unit may be referred to as a first unit without departing from the scope of the exemplary embodiments.

The directional terms such as outer, middle, inner, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may change accordingly according to different positions and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

The above is only a preferred embodiment of the present application, and is not any formal or substantial limitation to the present application. It should be pointed out that ordinary technicians in this technical field can make several improvements and supplements without departing from the method of the present application, and these improvements and supplements should also be regarded as the protection scope of the present utility model. Any technician familiar with this profession can make some changes, modifications and evolutions of the technical content disclosed above without departing from the spirit and scope of the present application, which are equivalent embodiments of the present application; at the same time, any changes, modifications and evolutions of any equivalent changes made to the above embodiments based on the substantial technology of the present application are still within the scope of the technical solution of the present application.

Claims (10)

1. An arthroscopic impurity absorption and filtering device, characterized in that the device comprises an inner suction tube and an outer filter tube covered on the front section of the inner suction tube, the front section of the inner suction tube is provided with a suction hole, the suction hole is communicated with the inner suction tube, and the rear section of the inner suction tube is used to connect to a negative pressure device; The tube wall of the outer filter tube is in a mesh shape, and is formed with filter holes for adsorbing impurities, and the aperture of the filter holes is larger than the aperture of the suction holes; Wherein, the inner suction tube sucks out a part of the impurities under the action of the negative pressure device, and the outer filter tube absorbs a part of the impurities. 2. An arthroscopic impurity absorption and filtering device as described in claim 1, characterized in that the outer end of the outer filter tube is formed with a tube bottom for covering the outer end of the inner suction tube, and the inner end of the outer filter tube is constructed with a tube opening for the inner suction tube to be inserted. 3. An arthroscopic impurity absorption and filtering device as described in claim 2, characterized in that the inner suction tube is detachably connected to the outer filter tube. 4. An arthroscopic impurity absorption and filtering device as described in claim 3, characterized in that a first external thread is provided on the outer wall of the inner suction tube, and a first internal thread is provided on the inner wall of the tube mouth of the outer filter tube, and the inner suction tube and the outer filter tube are detachably connected by screwing the first internal thread and the first external thread. 5. An arthroscopic impurity absorption and filtering device as described in claim 1, characterized in that the inner suction tube and the outer filter tube are both elastic. 6. An arthroscopic impurity absorption and filtering device as described in claim 1, characterized in that the diameter of the suction hole is 2 mm, and the diameter of the filter hole is 5 mm. 7. An arthroscopic impurity absorption and filtering device as described in claim 1, characterized in that a switch for controlling the on and off of the inner suction tube is formed on the inner suction tube. 8. An arthroscopic impurity absorption and filtering device according to claim 7, characterized in that the switch comprises an interception surface rotatably disposed in the inner suction tube, the interception surface being used to block the cross section of the inner suction tube; The screw rod radially passes through the inner suction tube and is connected to the interception surface. When the screw rod rotates, the interception surface can be driven to rotate, thereby blocking or conducting the inner suction tube. 9. An arthroscopic impurity absorption and filtering device as described in claim 8, characterized in that a radial hole is opened on the inner suction tube, a second internal thread is arranged on the inner wall of the radial hole, a second external thread is arranged on the outer wall of the screw, and the screw and the radial hole are rotatably connected by threaded cooperation of the second external thread and the second internal thread. 10. An arthroscopic impurity absorption and filtration system, characterized in that the system comprises a negative pressure device and an apparatus as described in any one of claims 1 to 9, and the negative pressure device is connected to the rear section of the internal suction tube to provide negative pressure to the internal suction tube.