CN210078489U - Special tee joint for right heart acoustic radiography and foaming test and matched injector assembly - Google Patents
Special tee joint for right heart acoustic radiography and foaming test and matched injector assembly Download PDFInfo
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- CN210078489U CN210078489U CN201920722167.7U CN201920722167U CN210078489U CN 210078489 U CN210078489 U CN 210078489U CN 201920722167 U CN201920722167 U CN 201920722167U CN 210078489 U CN210078489 U CN 210078489U
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Abstract
The utility model discloses a special tee joint for right heart acoustic radiography and foaming test and a matched injector component, which comprises a three-way valve and an injector; the three-way valve comprises a valve body 10, wherein a port A101, a port B102 and a port C103 are sequentially arranged on the valve body 10 at 90 degrees, a valve core 20 is hermetically arranged in the valve body 10, a three-way rotary body 201 is arranged at the upper end of the valve core 20, and three outlets of three through holes 202 in the valve core 20 respectively correspond to the three ports of the valve body 10; the interface A101 of the valve body 10 is provided with external threads, the interface B102 of the valve body 10 is provided with internal threads, a circle of boss 30 is arranged outside the interface C103 of the valve body 10, the interface C103 of the valve body 10 is connected with the sleeve 40 through the external boss 30, namely, the small end of the sleeve 40 is clamped at the boss 30 of the interface C103 of the valve body 10, and the large end of the sleeve is provided with internal threads. The injector and the three-way valve can adopt two connection modes, so that the connection is stable and the operation is convenient; saves medical resources and protects patients and medical staff at the same time.
Description
Technical Field
The utility model relates to a medical appliance, in particular to a special tee joint and a matched injector component which are mainly used for right heart acoustic radiography and foaming tests.
Background
With the further understanding of the medical problems that can be solved by the acoustic imaging and foaming test of the right heart, the examination is increasingly applied to the clinic. Currently, when performing acoustic imaging or foaming tests on the right heart, the most common method is to prepare a microbubble contrast agent using 8ml of physiological saline +1ml of air +1ml of patient autologous blood. The materials used in this process are roughly as follows: 1 sleeve of 18G indwelling needle, 1 three-way valve, 2 20ml syringes, 1 10ml syringe, 1 bag of 200ml physiological saline, 1 patch of indwelling needle adhesive film and 1 patch of woundplast. During examination, the threaded end interface of the three-way valve is connected with the venous indwelling needle, wherein 8ml of physiological saline and 1ml of air are extracted from 1 20ml of injectors and then connected with one end interface of the three-way valve, the other 1 20ml of injector is connected with the last end interface of the three-way valve and used for extracting 1ml of blood of a patient, and the two 20ml injectors are opened and then repeatedly pushed for several times to prepare the air microbubble contrast agent. In the process, on one hand, a large amount of micro-bubbles in the injector form to generate larger pressure when repeatedly pushed, and on the other hand, the inner surface of the three-way valve interface and the joint of the injection head of the injector are smooth surfaces, so that the three-way valve and the injector interface are easy to break, micro-liquid bubbles containing blood components of a patient are splashed, smooth inspection is blocked, pollution is caused, and health of medical staff is threatened. In order to avoid the situation, one person needs to specially fix the three-way valve and the interface part between the three-way valve and the injector, and even then the occurrence of the splash cannot be completely avoided.
Disclosure of Invention
Aiming at the defects of the prior art, the interface of the three-way valve and the injector is easy to slip, so that gas and liquid containing blood components of a patient are splashed, the smooth inspection is blocked, pollution is caused, the health of medical staff is threatened, and limited medical resources are wasted; the utility model aims at providing a special tee bend of right heart acoustics radiography and foaming test and supporting syringe subassembly.
The utility model discloses an adopt following technical scheme to realize:
a special tee joint for right heart acoustic radiography and foaming tests and a matched injector assembly comprise a tee joint valve and an injector.
The three-way valve comprises a valve body, wherein a port A, a port B and a port C are sequentially arranged on the valve body at 90 degrees, a valve core is hermetically arranged in the valve body, a three-way rotary body is arranged at the upper end of the valve core, and three outlets of three through holes in the valve core respectively correspond to three outlets of the valve body; the connector A of the valve body is provided with external threads, the connector B of the valve body is provided with internal threads, a circle of boss is arranged outside the connector C of the valve body, the connector C of the valve body is connected with the sleeve through the external boss, namely, the small end of the sleeve is clamped at the boss of the connector C of the valve body, and the large end of the sleeve is provided with internal threads.
An injection joint at the front end of the syringe cylinder of the syringe is provided with external threads; or a circle of boss is arranged outside the injection joint at the front end of the syringe cylinder, the injection joint of the syringe cylinder is connected with the sleeve through the boss outside the injection joint, namely, the small end of the sleeve is clamped at the boss of the injection head, and the large end of the sleeve is provided with internal threads.
The injector is connected with the internal thread of the interface B of the three-way valve through the external thread of the injection joint at the front end of the injector; or after the injection joint at the front end of the injector is inserted into the interface A of the three-way valve, the injection joint is connected with the external thread of the interface A through the internal thread at the large end of the sleeve outside the injection joint.
Therefore, the injector and the three-way valve can adopt two connection modes, and the connection is stable and convenient to operate; saves medical resources and protects patients and medical staff at the same time.
The utility model relates to a rationally, fine practical application and spreading value have.
Drawings
Fig. 1 shows a top view of a three-way valve.
Fig. 2 shows a side view of a three-way valve.
Fig. 3 shows a structural diagram of a sleeve matched with the refraction head at the front end of the syringe barrel.
Fig. 4 shows a schematic diagram of the structure of the external thread arranged at the refraction head at the front end of the syringe barrel.
In the figure: 10-valve body, 101-interface A, 102-interface B, 103-interface C, 20-valve core, 201-three-way rotary body, 202-three through hole, 30-boss, 40-sleeve, 50-syringe barrel and 501-injection connector.
Detailed Description
The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.
A special tee joint for right heart acoustic radiography and foaming tests and a matched injector assembly comprise a tee joint valve and an injector.
As shown in fig. 1, the three-way valve includes a valve body 10, a port a101, a port B102 and a port C103 are sequentially arranged on the valve body 10 at 90 degrees, and a valve core 20 is hermetically installed in the valve body 10. The upper end of the valve core 20 is provided with a three-way rotary body 201 (the three-way rotary body is composed of a handle a, a handle b and a handle c), three outlets of three through holes 202 in the valve core 20 are positioned on the side wall of the valve core and respectively correspond to three interfaces of the valve body 10, namely, the valve core and the inner wall of the valve body are in clearance fit, a sealing structure is arranged between the upper part and the lower part of the valve core and the valve body, and the valve core rotates to enable different interfaces of the valve. Based on fig. 1, when the directions of the handle a, the handle B and the handle C of the three-way rotary body 201 are the same as the direction of the interface a101, the interface B102 and the interface C103 of the valve body 10, the three directions are communicated with each other; when the three-way rotating body 201 rotates 90 degrees counterclockwise, the directions of the handle a and the handle B are the same as those of the interface B102 and the interface C103 of the valve body 10, and the two directions of the interface B102 and the interface C103 are communicated; when the three-way rotating body 201 continues to rotate 90 degrees counterclockwise, so that the directions of the handle a and the handle C are the same as those of the interface C103 and the interface A101 of the valve body 10, the two directions of the interface A101 and the interface C103 are communicated; when the three-way rotating body 201 continues to rotate 90 degrees counterclockwise, so that the directions of the handle B and the handle c are the same as those of the interface A101 and the interface B102 of the valve body 10, the two directions of the interface A101 and the interface B102 are communicated; and so on.
As shown in fig. 1 and 2, an interface a101 of the valve body 10 is provided with an external thread (the external thread is used for screwing on the outer cover when the three-way valve is not in use), an interface B102 of the valve body 10 is provided with an internal thread (the external thread may also be simultaneously provided outside the interface B, and when the three-way valve is not in use, the external thread is used for screwing on the outer cover), an interface C103 of the valve body 10 is externally provided with a circle of boss 30, the interface C103 of the valve body 10 is connected with the sleeve 40 through the external boss 30, that is, the small end of the sleeve 40 is clamped at the boss 30 of the interface C103 of the valve. Of course, the port a and the port B of the three-way valve may have the same structure or different structures.
As shown in fig. 4, the syringe has an external thread on the injection joint 501 at the front end of the syringe barrel 50; alternatively, as shown in fig. 3, a ring of boss 30 is provided outside the injection joint 501 at the front end of the syringe barrel 50, and the injection joint 501 of the syringe barrel 50 is connected to the sleeve 40 through the outer boss 30 thereof, that is, the small end of the sleeve 40 is engaged with the boss 30 of the injection joint 501, and the large end thereof is provided with an internal thread.
When in use and connection, the injector is connected with the internal thread of the interface B102 of the three-way valve through the external thread of the injection joint 501 at the front end of the injector; alternatively, the syringe tip injection connector 501 (the injection connector 501 is a smooth surface) is inserted into the port a101 of the three-way valve, and then is connected to the male screw of the port a101 through the female screw of the large end of the sleeve 40 outside the injection connector 501. It can be seen that the three-way valve and the associated syringe have two connection modes, the first set: the three-way interface of the external injector adopts an internal thread design, and the head of the matched injector adopts an external thread design; the second set is as follows: the three-way connector is fixed, the head of the injector is improved, and a sleeve design matched with the three-way connector is added on the original basis, so that the three-way connector can be screwed on the three-way connector for fixing.
When performing right heart acoustic imaging or foaming tests, the following materials were used: one set of 18G indwelling needle, 1 three-way valve, 2 20ml syringes, 1 10ml syringe, 1 bag of 200ml physiological saline, 1 patch of indwelling needle adhesive film and one patch of woundplast. During the inspection, the interface C of three-way valve inserts the interface of vein indwelling needle (this interface has the external screw thread), the outer sleeve of interface C of three-way valve passes through the screw thread and is detained the interface external screw thread connection of needle, wherein draw through the external screw thread of its injection joint and the internal thread connection of interface B102 of three-way valve after 8ml saline and 1ml air in 1 individual 20ml syringe, the injection joint of another 20ml syringe inserts the interface A of three-way valve, through the external screw thread connection of the outer sleeve of the injection joint of this syringe and interface A of three-way valve, another 20ml syringe is used for extracting patient's own blood 1 ml. Then the three-way rotary body of the three-way valve is rotated, the passage between the two 20ml syringes is opened, and the syringe is repeatedly pushed for a plurality of times to prepare the air microbubble contrast agent.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, and although the detailed description is made with reference to the embodiments of the present invention, those skilled in the art should understand that the technical solutions of the present invention are modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the protection scope of the claims.
Claims (1)
1. A special tee joint for right heart acoustic radiography and foaming tests and a matched injector assembly comprise a tee valve and an injector; the method is characterized in that: the three-way valve comprises a valve body (10), wherein a connector A (101), a connector B (102) and a connector C (103) are sequentially arranged on the valve body (10) in a 90-degree mode, a valve core (20) is hermetically arranged in the valve body (10), a three-way rotary body (201) is arranged at the upper end of the valve core (20), and three outlets of a three-way hole (202) in the valve core (20) correspond to three outlets of the valve body (10) respectively; an interface A (101) of the valve body (10) is provided with an external thread, an interface B (102) of the valve body (10) is provided with an internal thread, a circle of boss (30) is arranged outside an interface C (103) of the valve body (10), the interface C (103) of the valve body (10) is connected with the sleeve (40) through the external boss (30), namely, the small end of the sleeve (40) is clamped at the boss (30) of the interface C (103) of the valve body (10), and the large end of the sleeve is provided with an internal thread;
an injection joint (501) at the front end of the syringe cylinder (50) of the syringe is provided with an external thread; or a circle of boss (30) is arranged outside the injection joint (501) at the front end of the syringe barrel (50), the injection joint (501) of the syringe barrel (50) is connected with the sleeve (40) through the boss (30) outside the injection joint, namely, the small end of the sleeve (40) is clamped at the boss (30) of the injection joint (501), and the large end of the sleeve is provided with internal threads;
the injector is connected with the internal thread of a port B (102) of the three-way valve through the external thread of an injection joint (501) at the front end of the injector; or after the injection joint (501) at the front end of the injector is inserted into the interface A (101) of the three-way valve, the injection joint is connected with the external thread of the interface A (101) through the internal thread at the large end of the sleeve (40) outside the injection joint (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722167.7U CN210078489U (en) | 2019-05-20 | 2019-05-20 | Special tee joint for right heart acoustic radiography and foaming test and matched injector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722167.7U CN210078489U (en) | 2019-05-20 | 2019-05-20 | Special tee joint for right heart acoustic radiography and foaming test and matched injector assembly |
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| CN210078489U true CN210078489U (en) | 2020-02-18 |
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| CN201920722167.7U Active CN210078489U (en) | 2019-05-20 | 2019-05-20 | Special tee joint for right heart acoustic radiography and foaming test and matched injector assembly |
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| CN (1) | CN210078489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038188A (en) * | 2019-05-20 | 2019-07-23 | 崔文馨 | Right heart acoustic contrast and frothing test special three-way and mating injector assembly |
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2019
- 2019-05-20 CN CN201920722167.7U patent/CN210078489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038188A (en) * | 2019-05-20 | 2019-07-23 | 崔文馨 | Right heart acoustic contrast and frothing test special three-way and mating injector assembly |
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