CN219184032U

CN219184032U - Treatment device for calcified tendinitis under ultrasonic guidance

Info

Publication number: CN219184032U
Application number: CN202320121677.5U
Authority: CN
Inventors: 黄岚; 汤洋; 田伟千
Original assignee: Jiangsu Provincial Hospital of Chinese Medicine
Current assignee: Jiangsu Provincial Hospital of Chinese Medicine
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-06-16
Anticipated expiration: 2033-01-16

Abstract

The application provides a treatment device for calcified tendinitis under ultrasonic guidance, which comprises: the device comprises a puncture needle, a connector and a flushing ball, wherein the connector is arranged at the tail end of the puncture needle, the flushing ball is arranged at the tail end of the connector, and the calcified foci are smashed for treatment by pressing the flushing ball and pressurizing the flushing ball through the connector. The utility model adopts the flushing ball to replace the current syringe which is conventionally used for flushing, shortens the overall length, ensures the capacity of the lavage fluid, ensures that the hemispherical flushing ball is convenient for holding by one hand, and creates conditions for single-hand operation under ultrasonic guidance; the moderate flushing pressure is effectively controlled by the flusher, and flushing drainage is ensured: the flushing ball is connected with the 19G needle head to generate moderate pressure of 5-8PSI, and the pressure is automatically negative after extrusion, so that the outflow of calcified kitchen fragments is promoted, and the lavage efficiency is improved; the angle of the needle point is between 10 and 25 degrees, the length is between 6 and 8cm, the puncture, the cutting and the mashing are convenient, the blockage is not easy, and the puncture pain of a patient is relieved.

Description

Treatment device for calcified tendinitis under ultrasonic guidance

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a treatment device for calcified tendinitis under ultrasonic guidance.

Background

The rotator cuff calcification tendinitis is mainly characterized by depositing calcium hydroxyapatite crystals in rotator cuff tendons, can cause severe pain of the shoulder and chronic pain with progressive joint movement limitation, and can cause or aggravate complications such as scapulohumeral periarthritis, rotator cuff tearing and the like if the rotator cuff calcification tendinitis is not treated in time.

Ultrasonic examination is a basic tool for diagnosis and treatment of calcified tendinitis, and needle aspiration and lavage of calcified foci under ultrasonic guidance can obtain good effect, and has no hospitalization and low treatment cost.

The present inventors have found that the above-described technique has at least the following technical problems in diagnosis and treatment of calcified tendinitis by ultrasound:

(1) The treatment can be completed by at least two experienced doctors through mature cooperation, such as unmanned cooperation, an operator needs to hold an ultrasonic probe and hold a syringe of 20ml or 50ml filled with physiological saline, when the syringe filled with physiological saline is held by one hand, the length is too long to control the needle inserting direction of the blocking needle, and the holding is inconvenient to suck out flushing fluid, so that the operation effect is affected;

(2) The calcified foci are washed by large-capacity administration, 50ml of injector has large drug pushing resistance, is not easy to sense washing resistance, and can damage the rotator cuff tendon to cause rotator cuff tearing;

(3) At present, a 20G injection needle with a short bevel needle point structure (the needle point angle is not less than 45 degrees) is commonly used in clinic, a deposited calcium hydroxyapatite crystal is easy to block a needle head body, and a calcified kitchen range is compact and is not easy to smash, and the needle head is possibly required to be replaced to repeatedly puncture and lavage, so that the pain of a patient is increased, the treatment difficulty is increased, and the treatment device which can be operated by one hand, is easy to smash, wash and suck the calcified kitchen range and is not easy to cause rotator cuff injury is provided, so that the treatment device becomes an important technical problem to be solved by a person skilled in the art.

Disclosure of Invention

The utility model mainly aims to provide a treatment device for calcified tendinitis under ultrasonic guidance, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a therapeutic device for ultrasound-guided calcified tendinitis, comprising:

the medical device comprises a puncture needle, a connector and a flushing ball, wherein the connector is arranged at the tail end of the puncture needle, the flushing ball is arranged at the tail end of the connector, and the calcified kitchen is smashed for treatment by pressing the flushing ball and pressurizing the flushing ball through the connector.

The puncture needle (1) comprises an outer needle and an inner needle, the outer needle is a 19G needle head, the needle point angle is between 10 and 25 degrees, and the length is between 6 and 8cm.

Preferably, one end of the flushing ball is detachably provided with a three-way pipe, and one side of the three-way pipe far away from the flushing ball is detachably provided with a puncture needle.

Preferably, the puncture needle comprises an outer needle and an inner needle, the outer needle is a 19G needle head, the needle tip angle is between 10 and 25 degrees, the length is between 6 and 8cm, the texture is hard, the puncture and the cutting and the mashing are convenient, the blockage is not easy, and the puncture pain of a patient is relieved.

Preferably, the inner needle is a 23G needle head, and the inner needle is longer than the outer needle by 1cm. The end of the needle can jet out water flow, the speed of the water flow is obviously higher than that of the needle head, and the flushing effect is better than that of the needle head.

Preferably, the connector is a three-way pipe, one end of the connector is connected with the needle head, the far-away end of the connector is connected with the flushing ball, the middle end of the connector can be connected with the injector, so that the flushing ball can keep negative pressure, physiological saline can be supplemented, and medicine injection can be conveniently carried out after treatment is completed.

Preferably, the flushing ball is approximately hemispherical, is convenient to hold by a single hand, has a capacity of 30-50ml, can generate flushing pressure of 0.5-1.0PSI when being squeezed, and can generate moderate pressure of 5-8PSI when being connected with a 19G needle.

Compared with the prior art, the utility model has the following beneficial effects:

single hand operation: the flushing ball is adopted to replace the conventional syringe for flushing, so that the overall length is shortened, the capacity of the lavage fluid is ensured, the hemispherical flushing ball is convenient to hold by one hand, and conditions are created for single-hand operation under ultrasonic guidance.

Controlling moderate flushing pressure and ensuring flushing drainage: the moderate flushing pressure is effectively controlled through the flushing ball, and flushing liquid drainage is guaranteed: the flushing ball 3 is connected with the 19G needle head to generate moderate pressure of 5-8PSI, so that the medicine pushing resistance of a 20ml or 50ml syringe is improved, automatic negative pressure is generated after extrusion, the outflow of calcified kitchen fragments is promoted, and the lavage efficiency is improved.

High flushing efficiency, convenient cutting and mashing, and difficult blockage: the top end of the inner needle exceeds the needle head by 1cm, the tail end of the inner needle can jet water flow, the speed of the water flow is obviously higher than that of the 19G outer needle head, the flushing effect is better than that of the outer needle, the needle point angle of the outer needle head is between 10 and 25 degrees, the length is between 6 and 8cm, the pain of a patient during puncture is relieved, the puncture, the cutting and the mashing are convenient, the blockage is not easy, and fragments of a calcified kitchen range are more easily sucked out.

Drawings

Fig. 1 is an overall construction diagram of a therapeutic apparatus for calcified tendinitis under ultrasound guidance according to the present utility model.

Fig. 2 is a schematic view showing the outer needle and the inner needle of the puncture needle in the ultrasonic-guided therapeutic apparatus for treating the calcified tendinitis according to the present utility model when they are sleeved together.

In the figure: 1. a puncture needle 1; 2. a connecting body; 3. flushing the ball; an inner needle 1-1; outer needle 1-2.

Description of the embodiments

The utility model is described in further detail below with reference to fig. 1-2.

Referring to fig. 1, a therapeutic apparatus for calcified tendinitis under ultrasound guidance, comprising:

the medical device comprises a puncture needle 1, a connector 2 and a flushing ball 3, wherein the connector 2 is arranged at the tail end of the puncture needle 1, the flushing ball 3 is arranged at the tail end of the connector 2, and the calcified range is smashed and treated by pressing the flushing ball 3 and then pressing the connector 2.

One end of the flushing ball 3 is detachably provided with a three-way pipe, one side, far away from the flushing ball 3, of the three-way pipe is detachably provided with a puncture needle 1, and the puncture needle 1 and the flushing ball 3 are communicated with the three-way pipe.

The puncture needle 1 comprises an outer needle and an inner needle, wherein the outer needle is a 19G needle head, the needle tip angle is between 10 and 25 degrees, the length is between 6 and 8cm, the texture is hard, the puncture and the cutting are convenient, the blockage is not easy, and the puncture pain of a patient is relieved.

The inner needle is matched with the outer needle, the top end of the inner needle exceeds the outer needle by 1cm, the tail end of the inner needle can jet water flow, the speed of the water flow is obviously higher than that of the needle head, and the flushing effect is better than that of the needle head.

The connector 2 is a three-way pipe, one end of the connector is connected with the needle head, the far-away end of the connector is connected with the flushing ball 3, the middle end of the connector can be connected with the injector, so that the flushing ball 3 can keep negative pressure, physiological saline can be supplemented, and medicine injection can be conveniently carried out after treatment is completed.

The flushing ball 3 is approximately hemispherical, is convenient to hold by a single hand, has a capacity of 30ml to 50ml, can generate flushing pressure of 0.5 to 1.0PSI when being extruded, and can generate moderate pressure of 5 to 8PSI when being connected with a 19G needle.

The moderate flushing pressure is effectively controlled through the flushing ball 3, and flushing liquid drainage is guaranteed: the flushing ball 3 is connected with the 19G needle head to generate moderate pressure of 5-8PSI, so that the medicine pushing resistance of a 20ml or 50ml syringe is improved, automatic negative pressure is generated after extrusion, the outflow of calcified kitchen fragments is promoted, and the lavage efficiency is improved.

Single hand operation: the flushing ball 3 is adopted to replace the conventional syringe for flushing, so that the overall length is shortened, the capacity of the lavage fluid is ensured, the hemispherical flushing ball 3 is convenient to hold by one hand, and conditions are created for the operation of one hand under the guidance of ultrasound.

Examples

After local anesthesia, the outer needle 1-2 of the 19G is used for puncturing skin under the guidance of ultrasound, the inner needle 1-1 of the 23G is inserted into the outer needle 1-2 of the 19G and around the calcified lesion, a flushing ball 3 filled with normal saline is inserted and connected, the calcified lesion is flushed by using the water jet flow which is obviously higher than the outer needle 1-2 at the tail end of the inner needle 1-1, the calcified lesion is beneficial to separation of the calcified lesion, the flushing ball 3 filled with normal saline is connected with the outer needle 1-2 of the 23G after the inner needle 1-1 of the 19G is pulled out for two to three times, the moderate negative pressure of the flushing ball 3 is extruded, the separation of the calcified lesion is beneficial to continuously mashing, fragments of the calcified lesion and the normal saline are discharged together by using the rebound negative pressure of the flushing ball 3, and the calcified lesion is reduced or even vanished after multiple operations of mashing and flushing.

Examples

Under the guidance of ultrasound, the outer needle 1-2 is punctured around the calcification foci, the calcification foci are separated from surrounding tissues by the sharp of the outer needle 1-2, and smashed.

The flushing ball 3 filled with normal saline is connected, moderate flushing pressure of the flushing ball 3 is squeezed to be favorable for separation of calcified foci, continuous mashing is carried out, rebound negative pressure of the flushing ball 3 is small, when flushing fluid drainage is not supplemented, tee joint rotation can be utilized, the flushing ball 3 is squeezed to manufacture larger negative pressure, and outflow of the calcified foci and the normal saline is promoted.

Examples

The inner needle 1-1 is penetrated around the calcified foci at other angles, and the water flow emitted from the tail end of the inner needle 1-1 is obviously higher than that emitted from the outer needle 1-2, so that the calcified foci are washed, the separation of the calcified foci is facilitated, and the washing is carried out for two to three times.

The outer needle 1-2 is connected with the flushing ball 3 filled with normal saline, moderate flushing pressure of the flushing ball 3 is favorable for separation of calcified foci, continuously mashing, the flushing ball 3 has small rebound negative pressure, when flushing fluid drainage is not supplemented, the flushing ball 3 can be extruded to manufacture larger negative pressure by utilizing three-way rotation, and outflow of the calcified foci and the normal saline is promoted.

After drainage, medicines such as hormone, local anesthetic and the like can be injected into the puncture point through the tee joint according to the needs of the patient.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A therapeutic device for ultrasound-guided calcified tendinitis, comprising:

the device comprises a puncture needle (1), a connector (2) and a flushing ball (3), wherein the puncture needle (1) is detachably arranged on one side, far away from the flushing ball (3), of the connector (2), and the flushing ball (3) is extruded to pressurize and then the connector (2) is used for smashing a calcified kitchen range to treat the calcified kitchen range.

2. The ultrasound guided treatment device of tendinitis calcification of claim 1, wherein: the puncture needle (1) comprises an outer needle and an inner needle, the outer needle is a 19G needle head, the needle point angle is between 10 and 25 degrees, and the length is between 6 and 8cm.

3. The ultrasound guided treatment device of tendinitis calcification of claim 2, wherein: the inner needle is a 23G needle head, and is longer than the outer needle by 1cm.

4. The ultrasound guided treatment device of tendinitis calcification of claim 1, wherein: the connecting body (2) is a three-way pipe, one end of the connecting body is connected with the needle head, one far away end of the connecting body is connected with the flushing ball (3), the middle end of the connecting body can be connected with the injector, and negative pressure can be kept after the flushing ball (3) is extruded.

5. The ultrasound guided treatment device of tendinitis calcification of claim 1, wherein: the flushing ball (3) is approximately hemispherical, has a capacity of 30-50ml, generates flushing pressure of 0.5-1.0PSI when being squeezed, and can generate moderate pressure of 5-8PSI when being connected with a 19G needle.