CN104857600A - Compound therapy instrument for joint inflammation - Google Patents

Abstract

The invention relates to the technical field of medical apparatuses and instruments, and provides a compound therapy instrument for joint inflammation. The compound therapy instrument comprises a first injection syringe without a syringe needle, a second injection syringe without a syringe needle, an adapter and a syringe needle, wherein the first injection syringe and the second injection syringe are combined and connected through the adapter so as to share the syringe needle; and the first injection syringe is used for extracting hydrops, and the second injection syringe is used for injecting medicines. According to the compound therapy instrument, the two injection syringes are designed in the single compound therapy instrument and share the single syringe needle, so that the number of times of syringe needle insertion is changed from two to one, the operation process of a doctor is simplified, and the time is saved; in addition, pains of a patient are reduced; and the needle opening infection risks are reduced.

Description

A composite treatment device for joint inflammation

【Technical field】

The invention relates to the technical field of medical devices, in particular to a composite treatment device for arthritis.

【Background technique】

In the medical field, the fastest and most effective way to treat arthritis is to remove the fluid in the joint cavity and inject drugs for treatment.

At present, in this treatment process, the commonly used instrument is still a conventional syringe. However, the operation process is very cumbersome, and the medical staff must use two separate syringes to carry out the treatment twice. For the first time, use one syringe to draw out the effusion from the patient's joint cavity and pull out the needle; A syringe with medication is used to inject the medication into the joint cavity, and then the needle is withdrawn.

In this way, the needle enters into the patient's joints twice and exits in two, which brings greater pain to the patient and inconvenience to the doctor in operation, which is very time-consuming.

In view of this, it is an urgent problem to be solved in this technical field to overcome the defects in the prior art.

【Content of invention】

The technical problem to be solved by the present invention is to provide a compound treatment device for arthritis, which is easy to operate, saves time, and reduces the pain of the patient.

The present invention adopts following technical scheme:

A compound treatment device for joint inflammation, comprising a first syringe without a needle, a second syringe without a needle, an adapter and a needle, the first syringe and the second syringe are combined and connected through the adapter so as to share the needle ;in,

The first syringe is used to withdraw the fluid and the second syringe is used to inject the medicine.

Further, the first syringe and the second syringe are arranged on one side of the adapter, and the needle is arranged on the other side of the adapter.

Further, the adapter includes a valve body, a valve core and a knob;

The first syringe and the second syringe are arranged side by side on one side of the valve body, the head of the syringe is located in the valve body, and each head of the syringe is provided with a liquid flow port;

The needle is arranged on the other side of the valve body, and a first liquid channel is opened inside the side of the valve body where the needle is arranged;

A second liquid channel is provided on the valve core;

The knob is installed on the valve body, the valve core is arranged in the valve body, and the valve core is connected with the knob; wherein,

When the knob is rotated to the liquid extraction position, the valve core is driven to rotate so that the second liquid channel on the valve core communicates with the liquid flow port of the first syringe and the first liquid channel respectively;

When the knob is rotated to the drug injection position, the valve core is driven to rotate so that the second liquid channel on the valve core communicates with the liquid flow port of the second syringe and the first liquid channel respectively;

When the knob is rotated to the closed position, the valve core is driven to rotate so that the second liquid passage on the valve core is not communicated with the liquid flow port of the first syringe, the liquid flow port of the second syringe and the first liquid passage.

Further, the spool includes a spool body and an elastic buckle on the top of the spool body; a through hole is provided on the knob; the elastic buckle is mounted on the hole so that the spool Connect with the knob;

The second liquid passage is arranged on the valve core body.

Further, the valve core body is a circular platform, the second liquid channel is arranged parallel to the bottom surface of the circular platform, and the two passage ports of the second liquid channel are located on the side of the circular platform.

Further, the valve body is a cylindrical body, the first syringe installation port and the second syringe installation port are opened on the side of the valve body connected with the first syringe and the second syringe, and the other side of the valve body connected with the needle There is a raised needle sleeve.

Further, a first liquid channel runs through the needle sleeve.

Further, the liquid communication port of the first syringe is opened on the side of the head of the first syringe close to the valve core, and the liquid communication port of the second syringe is opened on the side of the head of the second syringe close to the valve core.

Further, the capacity of the first syringe is 10ml-20ml; the capacity of the second syringe is 3ml-5ml.

Further, the distance from the center of the knob of the adapter to the end of the valve body where the syringe is placed is 25 mm to 35 mm.

Compared with the prior art, the present invention has the beneficial effects of: by designing two syringes to share one needle in a composite treatment device, the needle inserted twice is changed into one needle inserted, which simplifies the doctor's operation process and saves time. And it reduces the pain of the patient and reduces the risk of needle infection.

【Description of drawings】

Fig. 1 is a schematic structural view of the composite treatment device for joint inflammation according to Example 1 of the present invention.

Fig. 2 is a schematic diagram of liquid flow switching.

Figure 3 is a structural diagram of the valve body.

Figure 4 is a structural diagram of the spool.

Figure 5 is a structural diagram of the knob.

Reference signs:

The first syringe 100, The first syringe head 110,

The first syringe liquid outlet 120, the second syringe 200,

The second syringe head 210, the second syringe liquid flow port 220,

Adapter 300, Valve body 310,

The first liquid channel 311, the first syringe installation port 312,

The second syringe installation port 313, the needle set tube 314,

Spool 320, Second liquid channel 321,

Spool body 322, Elastic buckle 323,

Knob 330, card hole 331,

400 needles.

【Detailed ways】

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

As shown in Figure 1, in order to solve the problem of cumbersome operation of doctors and pain of patients in the treatment of arthritis in the prior art, this embodiment provides a simple and convenient composite treatment device for arthritis, which includes The first syringe 100 of the needle, the second syringe 200 without the needle, the adapter 300 and the needle 400, the first syringe 100 and the second syringe 200 are combined and connected through the adapter 300 so as to share the needle 400; wherein the first syringe 100 is used for extracting Effusion, the second syringe 200 is used to inject medicine. The first syringe 100 and the second syringe 200 are disposed on one side of the adapter 300 , and the needle 400 is disposed on the other side of the adapter 300 . The capacity of the first syringe can be in the range of 10ml-20ml, and the capacity of the second syringe can be in the range of 3ml-5ml. In this embodiment, the capacity of the first syringe 100 is 20ml; the capacity of the second syringe 200 is 3ml.

As shown in Figures 1-5, in a preferred embodiment, the adapter 300 includes a valve body 310, a valve core 320 and a knob 330; the first syringe 100 and the second syringe 200 are arranged side by side on the side of the valve body 310, and the syringe head Located in the valve body (including the first syringe head 110 and the second syringe head 210), each syringe head has a liquid flow port (including the first syringe liquid flow port 120 and the second syringe liquid flow port 220), preferably The first syringe liquid flow port 120 is opened on the side of the first syringe head 110 close to the valve core 320, the second syringe liquid flow port 220 is opened on the second syringe head 210 close to the side of the valve core 320; the needle 400 is set On the other side of the valve body 310, a first liquid passage 311 is opened inside the side of the valve body 310 where the needle 400 is disposed; a second liquid passage 321 is provided on the valve core 320; the knob 330 is installed on the valve body 310, and the valve core 320 Set in the valve body 310, the valve core 320 is connected with the knob 330; wherein,

As shown in Figure 2a, when the knob is rotated to the waste position, the valve core is driven to rotate so that the second liquid channel 321 on the valve core communicates with the first syringe liquid flow port 120 and the first liquid channel 311 respectively; As shown in Figure 2c, when the knob is rotated to the drug injection position (drug position), the valve core is driven to rotate so that the second liquid passage 321 on the valve core communicates with the second syringe liquid flow port 220 and the first liquid passage 311 respectively; As shown in Figure 2b, when the knob is rotated to the closed position (off position), the valve core is driven to rotate so that the second liquid channel 321 on the valve core is connected to the first syringe liquid flow port 120, the second syringe liquid flow port 220 and the first liquid flow port. Channels 311 are not connected. In Figs. 2a-2c, the direction indicated by the arrow is the liquid flow direction.

The structure of the spool and the knob in this embodiment will be further described in detail below. As shown in Figure 4 and Figure 5, the spool 320 includes a spool body 322 and an elastic buckle 323 located on the top of the spool body 322; a through hole 331 is provided on the knob 330; the elastic buckle 323 is fastened on The clamping hole 331 connects the valve core 320 to the knob 330 ; the second liquid channel 321 is provided on the valve core body 322 . The elastic buckle 323 can adopt the existing buckle form in the prior art. In this embodiment, a U-shaped elastic buckle is adopted. The locking hole 331 provided on the knob 330 is a square hole, and the inside of the square hole is provided with two small steps. The step engages with the hook-shaped protrusions on both sides of the U-shaped elastic buckle to fix the connection between the valve core 320 and the knob 330 . In addition, by pressing the two sides of the U-shaped elastic buckle, the engagement between the step and the hook-shaped protrusion can be disengaged, so that the valve core 320 can be taken out from the knob 330 .

As shown in FIGS. 1-5 , preferably, the valve core body 322 is a circular platform, the second liquid channel 321 is arranged parallel to the bottom surface of the circular platform, and the two passage ports of the second liquid channel 321 are located on the side of the circular platform. The distance from the center of the knob 330 of the adapter 300 to the end of the valve body 310 where the syringe is set can be set in the range of 25 mm to 35 mm. In this embodiment, the distance from the center of the knob 330 of the adapter 300 to the end of the valve body 310 where the syringe is set is 30 mm. If If the size is too small, the syringe will not be fixed securely and may easily come out; if the size is too long, the scale of the syringe will be blocked, making it difficult to observe the amount of liquid, so the size in this embodiment is set to 30mm.

Preferably, the valve body 310 adopts a cylindrical body, and the side of the valve body 310 connected with the first syringe 100 and the second syringe 200 is provided with a first syringe installation port 312 and a second syringe installation port 313, and the valve body 310 is connected with the needle The other side of the 400 connection is provided with a raised needle sleeve 314 . A first liquid channel 311 runs through the needle sleeve tube 314 .

During treatment, the doctor disinfects the patient’s treatment area, turns the knob to the waste position, inserts the needle into the joint cavity of the treatment point, pulls the 20ml empty syringe piston back to the appropriate position, turns the knob to the drug position, and pushes the 3ml drug-filled syringe forward. Push the plunger of the syringe to the bottom, withdraw the needle, press the injection site with an alcohol swab, and complete the treatment.

In the embodiment of the present invention, a 20ml empty syringe and a 3ml syringe filled with medicine are combined and connected together through an adapter, and a needle is collected and shared through the switching valve inside the adapter, that is, in a compound treatment device Two syringes are designed to share one needle, and two needle insertions are changed to one needle insertion, which simplifies the doctor's operation process, saves time, reduces the patient's pain, and reduces the risk of needle infection.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. A compound treatment apparatus for joint inflammation, characterized in that it comprises a first syringe without a needle, a second syringe without a needle, an adapter and a needle, and the first syringe and the second syringe are combined by an adapter connected so as to share the needle; where, The first syringe is used to withdraw the fluid and the second syringe is used to inject the medicine. 2. The composite treatment device for arthritis according to claim 1, wherein the first syringe and the second syringe are arranged on one side of the adapter, and the needle is arranged on the other side of the adapter. 3. The compound treatment apparatus for arthritis as claimed in claim 1, wherein the adapter comprises a valve body, a valve core and a knob; The first syringe and the second syringe are arranged side by side on one side of the valve body, the head of the syringe is located in the valve body, and each head of the syringe is provided with a liquid flow port; The needle is arranged on the other side of the valve body, and a first liquid channel is opened inside the side of the valve body where the needle is arranged; A second liquid channel is provided on the valve core; The knob is installed on the valve body, the valve core is arranged in the valve body, and the valve core is connected with the knob; wherein, When the knob is rotated to the liquid extraction position, the valve core is driven to rotate so that the second liquid channel on the valve core communicates with the liquid flow port of the first syringe and the first liquid channel respectively; When the knob is rotated to the drug injection position, the valve core is driven to rotate so that the second liquid channel on the valve core communicates with the liquid flow port of the second syringe and the first liquid channel respectively; When the knob is rotated to the closed position, the valve core is driven to rotate so that the second liquid passage on the valve core is not communicated with the liquid flow port of the first syringe, the liquid flow port of the second syringe and the first liquid passage. 4. The composite treatment device for arthritis as claimed in claim 3, wherein the valve core comprises a valve core body and an elastic buckle arranged on the top of the valve core body; The clamping hole; the elastic buckle is fastened on the clamping hole to connect the valve core and the knob; The second liquid passage is arranged on the valve core body. 5. The compound treatment apparatus for arthritis as claimed in claim 4, wherein the valve core body is a circular platform, the second liquid channel is arranged parallel to the bottom surface of the circular platform, and the two channels of the second liquid channel The mouth is located on the side of the round table. 6. The composite treatment device for arthritis as claimed in claim 3, wherein the valve body is a cylindrical body, and a first syringe is provided on the side of the valve body connected with the first syringe and the second syringe The installation port and the second syringe installation port are provided with a protruding needle sleeve tube on the other side connected with the needle on the valve body. 7. The composite treatment device for arthritis according to claim 6, characterized in that a first liquid channel runs through the needle sleeve. 8. The composite treatment device for arthritis as claimed in claim 3, wherein the liquid flow port of the first syringe is opened on the side of the head of the first syringe close to the valve core, and the liquid of the second syringe The flow port is opened on the side of the head of the second syringe close to the valve core. 9. The compound treatment device for arthritis according to any one of claims 1-8, characterized in that, the volume of the first syringe is 10ml-20ml; the volume of the second syringe is 3ml-5ml. 10. The compound treatment device for arthritis according to any one of claims 1-8, characterized in that the distance from the center of the knob of the adapter to the end of the valve body where the syringe is placed is 25 mm to 35 mm.