CN213963704U - Suction type flushing needle - Google Patents

Abstract

The utility model relates to a suction type flushing needle. It has been solved among the prior art and has washed the not convenient and not good problem of structural stability of washing liquid clearance. It includes the drain joint, drain joint one end is connected with the tee bend disk seat, the tee bend disk seat is equipped with the output tube with one side that the drain joint is relative setting, and the output tube is connected with the drain needle tube through first fixed subassembly, communicate each other between output tube and the drain needle tube, tee bend disk seat bottom is equipped with the input tube, and the input tube is connected with through second fixed subassembly and attracts the pipe, it connects through fixed connection mechanism releasable connection to attract the pipe, and attract the ware to connect and attract and link up each other between the pipe, be equipped with in the tee bend disk seat and can make output tube or input tube wherein arbitrary one and lead and close between the liquid joint, another and lead the rotation switching module that communicates between the liquid joint. The utility model has the advantages that: the flushing fluid is convenient to clean, and the structure is more stable.

Description

Suction type flushing needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to needle is washed to suction formula.

Background

In medical work, certain parts of a patient are frequently washed during operation, and a common, quick and effective manual washing method is used. In the oral root canal therapy, when the root canal is flushed by using a root canal flushing needle, a high-concentration sodium hypochlorite solution is used, the sodium hypochlorite is corrosive and allergic and can burn to a human body, the sodium hypochlorite flows to lip mucosa, corners of mouth and cheek skin to cause pink or dark brown chemical injury, and in the actual oral root canal therapy, a rubber waterproof barrier is arranged on a flushing needle to prevent the sodium hypochlorite from flowing out, but sometimes the sodium hypochlorite leaks into the oral cavity from a gap between the rubber waterproof barrier and teeth, and the sodium hypochlorite can be absorbed by a saliva suction tube but still causes oral injury; in addition, in actual operation, the saliva sucking needle and the saliva sucking tube are independent, and the operation cannot be simple, convenient and quick. Moreover, in the process of washing, often because of the observation that the flush fluid is detained around washing the position and influences the focus position, just so need absorb the flush fluid with a large amount of gauzes, the treatment time has been prolonged, and very easily detain the cotton fibre of gauze in the human body, deepen the injury to the patient, the operation risk has been increased, serious meeting arouses complication and sequela, and unnecessary treatment cost has been increased, the flush fluid clearance is inconvenient, and simultaneously, current washing needle frequently moves and breaks away from easily at the in-process of washing, and structural stability is not good.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses an oral root canal irrigation needle [ CN201920404799.9], which comprises a needle head, and a saliva suction tube disposed at one side of the needle head; the saliva suction pipe is fixed on the needle head through a saliva suction pipe fixer; a hollow cylindrical groove is arranged in the saliva suction pipe fixer, and the saliva suction pipe penetrates through and is fixed on the saliva suction pipe fixer; the inner diameter of the hollow cylindrical groove is equal to the outer diameter of the saliva suction pipe; the needle head is connected with the injector; the injector is a piston type injector; the needle head is provided with a needle head sub-hole; the saliva suction pipe is a hose; inhale and be equipped with on the salivary duct and inhale the salivary duct antiskid ribbed tile, inhale the salivary duct antiskid ribbed tile and inhale salivary duct fixer contact.

Above-mentioned scheme has solved to a certain extent among the prior art washing needle when wasing oral cavity washing lotion spill easily, causes the problem of injury, but this scheme still has a great deal of not enough, for example: the flushing fluid is detained around the flushing part, influences the observation to the focus position, and the clearance is inconvenient, and current needle that washes breaks away from easily at the frequent removal of washing in-process moreover, and structural stability is not good.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, the needle is washed to convenient and stable in structure's suction formula of clearance.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this suction type washing needle, including the drain joint, drain joint one end is connected with the tee bend disk seat, the tee bend disk seat is equipped with the output tube with one side that the drain joint is keeping away from each other, and the output tube is connected with the drain needle pipe through first fixed subassembly, communicate each other between output tube and the drain needle pipe, tee bend disk seat bottom is equipped with the input tube, and the input tube is connected with through second fixed subassembly and attracts the pipe, it connects through fixed connection mechanism releasable connection to attract the pipe, and attract the ware to connect and attract to link up each other between the pipe, be equipped with in the tee bend disk seat and can make output tube or input tube wherein arbitrary one and lead and close between the drain joint, another and lead the rotation switching module of intercommunication between the liquid joint. Through setting up at tee bend disk seat lower extreme and attracting pipe and aspirator joint, can seal drain needle pipe and drain joint through rotating the rotation switching components that sets up in the tee bend disk seat to open the input tube drainage chamber, utilize the outside aspirator of aspirator articulate can realize sucking unnecessary flush fluid, it is convenient to clear up, simultaneously, utilize first fixed subassembly, the fixed subassembly of second and fixed connection mechanism to make this suction formula wash between the needle structure more firm, be difficult for droing.

In foretell suction type washes needle, rotate the switching subassembly including setting up the rotation piece in the tee bend disk seat, have the connection cavity in the rotation piece, and connect the cavity middle part and be equipped with the rotating tube, the rotating tube both ends rotate with tee bend disk seat both ends and link to each other, and be connected with on the rotating tube and can follow the synchronous rotation of rotating tube and be the communicating pipe of perpendicular setting with the rotating tube, still be equipped with on the rotating tube and be the subtend setting and can with the synchronous pivoted seal assembly of rotating tube. The rotating tube is rotated clockwise to connect the connecting cavity and seal the liquid guide needle tube and the liquid guide joint, so that the flushing liquid can be sucked.

In the suction type irrigation needle, the sealing assembly comprises a first arc-shaped sealing element arranged at the upper end of the rotating pipe, a second arc-shaped sealing element which is located on the same axis with the first arc-shaped sealing element is arranged at the lower end of the rotating pipe, and the communicating pipe is transversely arranged relative to the first arc-shaped sealing element and the second arc-shaped sealing element. The sealing component can seal the liquid guide needle tube and the liquid guide joint in time to form a negative pressure cavity.

In the suction type irrigation needle, the fixed connection mechanism comprises an annular communication part, one side of the annular communication part is provided with a suction tube connection part, the suction tube connection part is connected with one end of a suction tube, the other side of the annular communication part is provided with a suction device connection part, and the suction device connection part is detachably connected with a suction device joint. The arrangement of the fixed connecting mechanism ensures that the connection between the suction tube and the suction device joint is more stable.

In the suction type irrigation needle, the circumferential outer side of one end, connected with the suction device connecting part, of the suction device joint is provided with the annular clamping part, the circumferential inner side of the annular clamping part is provided with the access pipe, the access pipe is communicated with the inner cavity of the suction device connecting part, and the circumferential outer wall of the annular clamping part is tightly attached to the circumferential inner wall of the suction device connecting part. This arrangement prevents leakage of the flushing liquid.

In the suction type washing needle, the first fixing component comprises an output tube sleeving part arranged on the outer wall of the output tube in the circumferential direction, the output tube sleeving part is connected with a needle tube sleeving part through a first connecting part, and the needle tube sleeving part is sleeved on the liquid guide needle tube. The output tube is connected with the liquid guide needle tube more tightly through the first fixing component, and the liquid guide needle tube is not easy to fall off.

In the suction type irrigation needle, the second fixing assembly comprises an input pipe sleeving part arranged on the circumferential outer wall of the input pipe, the input pipe sleeving part is connected with a suction pipe sleeving part through a second connecting part, and the suction pipe sleeving part is sleeved on the suction pipe. The arrangement of the second fixing component ensures that the suction tube and the input tube are connected and fastened, and the stability is good.

In the suction type washing needle, the inner side of the circumferential direction of the output pipe is provided with an output pipe drainage cavity, one end of the output pipe drainage cavity is communicated with the drainage needle tube, and the other end of the output pipe drainage cavity is arranged corresponding to the end part of the communicating tube.

In the suction type irrigation needle, the inner side of the circumferential direction of the input tube is provided with an input tube liquid guide cavity, one end of the input tube liquid guide cavity is communicated with the suction tube, and the other end of the input tube liquid guide cavity is arranged corresponding to the end part of the communicating tube.

In the above-mentioned suction type irrigation needle, the output tube sheathing part, the first connecting part, and the needle tube sheathing part are integrally formed, and the input tube sheathing part, the second connecting part, and the suction tube sheathing part are integrally formed. The arrangement is more stable.

Compared with the prior art, the utility model has the advantages of: simple structure, low cost, through setting up suction tube and aspirator joint at tee bend disk seat lower extreme, through rotating the rotation switching components who sets up in the tee bend disk seat, can seal drain needle tubing and drain joint, and open input tube drainage chamber, utilize aspirator articulate outside aspirator can realize sucking unnecessary flush fluid, it is convenient to clear up, and utilize first fixed subassembly, the fixed subassembly of second and fixed connection mechanism make this suction formula wash between the needle structure more firm, be difficult for droing, structural stability is good.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of the three-way valve seat of the present invention;

fig. 3 is a schematic structural view of the fixing and connecting mechanism of the present invention;

fig. 4 is a schematic structural view of a second fixing assembly in the present invention.

In the figure, the liquid guide joint 1, the three-way valve seat 2, the output tube 21, the output tube liquid guide cavity 211, the input tube 22, the input tube liquid guide cavity 221, the liquid guide needle tube 23, the suction tube 24, the first fixing component 3, the output tube sleeving part 31, the first connecting part 32, the needle tube sleeving part 33, the second fixing component 4, the input tube sleeving part 41, the second connecting part 42, the suction tube sleeving part 43, the fixing connecting mechanism 5, the annular communicating part 51, the suction tube connecting part 52, the suction device connecting part 53, the suction device joint 6, the annular clamping part 61, the access tube 62, the rotation switching component 7, the rotation piece 71, the connecting cavity 72, the rotation tube 73, the communication tube 74, the sealing component 8, the first arc-shaped sealing piece 81, and the second arc-shaped sealing piece 82.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the suction type irrigation needle comprises a drainage connector 1, wherein one end of the drainage connector 1 is connected with a three-way valve seat 2, an output tube 21 is arranged on one side, which is far away from the drainage connector 1, of the three-way valve seat 2, the output tube 21 is connected with a drainage needle tube 23 through a first fixing component 3, the output tube 21 is communicated with the drainage needle tube 23, an input tube 22 is arranged at the bottom of the three-way valve seat 2, the input tube 22 is connected with a suction tube 24 through a second fixing component 4, the suction tube 24 is detachably connected with a suction device connector 6 through a fixing connecting mechanism 5, the suction device connector 6 is communicated with the suction tube 24, and a rotation switching component 7 is arranged in the three-way valve seat 2, which can enable either the output tube 21 or the input tube 22 to be closed with the drainage connector 1 and enable the other one to be communicated with the drainage connector 1. Connect drain joint 1 and drain needle tubing 23 through setting up tee bend disk seat 2 in traditional washing needle middle part, the rotation that utilizes rotation switching components 7 that sets up in tee bend disk seat 2 switches between washing mode and suction mode, it is convenient to wash the liquid clearance, first fixed subassembly 3 moreover, the fixed subassembly 4 of second, the setting of fixed connection mechanism 5, make this suction formula wash and connect more fastening between the structure of needle, difficult slippage, structural stability is good.

Wherein, rotate switching module 7 including setting up the rotation piece 71 in tee bend disk seat 2, have in the rotation piece 71 and connect the cavity 72, and connect the cavity 72 middle part and be equipped with rotating tube 73, the rotating tube 73 both ends rotate with tee bend disk seat 2 both ends and link to each other, and be connected with on the rotating tube 73 and can be along with rotating tube 73 synchronous rotation and be the communicating pipe 74 of perpendicular setting with rotating tube 73, still be equipped with on the rotating tube 73 and be the subtend setting and can be with the synchronous pivoted seal assembly 8 of rotating tube 73. The rotating tube 73 is rotated clockwise by 90 degrees, so that the drainage connector 1 and the drainage needle tube 23 can be closed, the input tube drainage cavity 221 is opened, and the operation is convenient and fast, wherein the drainage connector 1 is a female luer connector.

As can be seen, the seal assembly 8 includes a first arc packing 81 disposed at an upper end of the rotating pipe 73, a second arc packing 82 disposed at a lower end of the rotating pipe 73 on the same axis as the first arc packing 81, and the communication pipe 74 is disposed transversely with respect to the first arc packing 81 and the second arc packing 82. The first arcuate seal 81 is primarily used to close the outlet conduit drainage lumen 211, while the second arcuate seal 82 is used to close the fluid connector 1 or the inlet conduit drainage lumen 221.

Further, the fixed connecting mechanism 5 comprises an annular communicating part 51, one side of the annular communicating part is provided with a suction tube connecting part 52, the suction tube connecting part 52 is connected with one end of the suction tube 24, the other side of the annular communicating part 51 is provided with a suction device connecting part 53, and the suction device connecting part 53 is detachably connected with the suction device joint 6. The fixed connection 5 is here provided in one piece.

Obviously, the circumferential outer side of one end of the aspirator connector 6 connected with the aspirator connecting portion 53 is provided with an annular clamping portion 61, the circumferential inner side of the annular clamping portion 61 is provided with an access pipe 62, the access pipe 62 is communicated with the inner cavity of the aspirator connecting portion 53, and the circumferential outer wall of the annular clamping portion 61 is tightly attached to the circumferential inner wall of the aspirator connecting portion 53.

Specifically, the first fixing assembly 3 includes an output tube sleeving part 31 disposed on the outer circumferential wall of the output tube 21, and the output tube sleeving part 31 is connected to a needle tube sleeving part 33 through a first connecting part 32, and the needle tube sleeving part 33 is sleeved on the liquid guiding needle tube 23.

In detail, the second fixing member 4 includes an input tube sleeving part 41 provided on the circumferential outer wall of the input tube 22, and the input tube sleeving part 41 is connected to a suction tube sleeving part 43 through a second connecting part 42, and the suction tube sleeving part 43 is sleeved on the suction tube 24. The suction tube 24 is a flexible tube for easy handling.

Further, an output tube drainage chamber 211 is provided on the inner side of the output tube 21 in the circumferential direction, and one end of the output tube drainage chamber 211 communicates with the drainage needle tube 23 and the other end thereof corresponds to the end of the communicating tube 74.

Preferably, the input tube 22 is provided with an input tube liquid guide cavity 221 at the circumferential inner side, one end of the input tube liquid guide cavity 221 is communicated with the suction tube 24, and the other end is correspondingly arranged with the end of the communicating tube 74.

More specifically, the output tube socket 31, the first connection portion 32, and the needle tube socket 33 are integrally formed, and the input tube socket 41, the second connection portion 42, and the suction tube socket 43 are integrally formed.

The principle of the embodiment is as follows: in the flushing mode, the rotary tube 73 is made to close the input tube drainage chamber 221 by the second arc-shaped sealing member 82, and the communication between the communication tube 74 and the output tube drainage chamber 211 is made to communicate with each other to connect the drainage adapter 1 and the drainage needle tube 23; in the suction mode, the rotation tube 73 is rotated clockwise by 90 degrees, the drainage adapter 1 is closed by the second arc-shaped sealing member 82, the output tube drainage chamber 211 is closed by the first arc-shaped sealing member 81, the input tube drainage chamber 221 is opened to communicate the connection chamber 72 with the suction tube 24, and the suction unit connection portion 53 is connected to an external suction unit, thereby forming the suction mode. When the washing mode and the suction mode work, the first fixing component 3, the second fixing component 4 and the fixing and connecting mechanism 5 are utilized to fasten the local connecting structures, and the stability is good.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the drainage adapter 1, the three-way valve seat 2, the outlet tube 21, the outlet tube drainage cavity 211, the inlet tube 22, the inlet tube drainage cavity 221, the drainage needle tube 23, the suction tube 24, the first fixing component 3, the outlet tube sleeving part 31, the first connecting part 32, the needle tube sleeving part 33, the second fixing component 4, the inlet tube sleeving part 41, the second connecting part 42, the suction tube sleeving part 43, the fixing connecting mechanism 5, the annular communicating part 51, the suction tube connecting part 52, the aspirator connecting part 53, the aspirator connector 6, the annular clamping part 61, the access tube 62, the rotation switching component 7, the rotation member 71, the connecting cavity 72, the rotation tube 73, the communication tube 74, the sealing component 8, the first arc-shaped sealing member 81, and the second arc-shaped sealing member 82 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a suction type washing needle, includes drainage connector (1), drainage connector (1) one end be connected with tee bend disk seat (2), a serial communication port, tee bend disk seat (2) be one side of keeping away from each other with drainage connector (1) and be equipped with output tube (21), and output tube (21) are connected with drainage needle tubing (23) through first fixed subassembly (3), output tube (21) and drainage needle tubing (23) between communicate each other, tee bend disk seat (2) bottom be equipped with input tube (22), and input tube (22) are connected with through second fixed subassembly (4) and attract pipe (24), attract pipe (24) through fixed connection mechanism (5) releasable connection have aspirator connector (6), and attract between ware connector (6) and attract pipe (24) to link up each other, tee bend disk seat (2) in be equipped with and to make between output tube (21) or input tube (22) arbitrary one of them and drainage connector (1) between can make output tube (21) or input tube (22) and drainage connector (1) And the other rotation switching component (7) is communicated with the liquid guide joint (1) when the valve is closed.

2. The suction type irrigation needle according to claim 1, wherein the rotation switching assembly (7) comprises a rotation member (71) arranged in the three-way valve seat (2), the rotation member (71) is internally provided with a connection cavity (72), a rotation pipe (73) is arranged in the middle of the connection cavity (72), two ends of the rotation pipe (73) are rotatably connected with two ends of the three-way valve seat (2), the rotation pipe (73) is connected with a communication pipe (74) which can synchronously rotate along with the rotation pipe (73) and is vertically arranged with the rotation pipe (73), and the rotation pipe (73) is further provided with a sealing assembly (8) which is oppositely arranged and can synchronously rotate with the rotation pipe (73).

3. The aspiration irrigation needle of claim 2, wherein the sealing assembly (8) comprises a first arc-shaped sealing member (81) disposed at an upper end of the rotating tube (73), a second arc-shaped sealing member (82) disposed at a lower end of the rotating tube (73) and located on the same axis as the first arc-shaped sealing member (81), and the communication tube (74) is disposed transversely with respect to the first arc-shaped sealing member (81) and the second arc-shaped sealing member (82).

4. The suction irrigation needle as recited in claim 1, wherein the fixed connection mechanism (5) comprises an annular communication portion (51), one side of the annular communication portion is provided with a suction tube connection portion (52), the suction tube connection portion (52) is connected with one end of the suction tube (24), the other side of the annular communication portion (51) is provided with a suction device connection portion (53), and the suction device connection portion (53) is detachably connected with the suction device joint (6).

5. The suction type irrigation needle as claimed in claim 4, wherein an annular clamping portion (61) is arranged on the circumferential outer side of one end of the aspirator connector (6) connected with the aspirator connecting portion (53), an access pipe (62) is arranged on the circumferential inner side of the annular clamping portion (61), the access pipe (62) is communicated with the inner cavity of the aspirator connecting portion (53), and the circumferential outer wall of the annular clamping portion (61) is tightly attached to the circumferential inner wall of the aspirator connecting portion (53).

6. The aspiration irrigation needle of claim 1, wherein the first fixing member (3) comprises an output tube engaging portion (31) disposed on the outer circumferential wall of the output tube (21), and the output tube engaging portion (31) is connected to a needle engaging portion (33) via a first connecting portion (32), the needle engaging portion (33) engaging the catheter (23).

7. The aspiration irrigation needle according to claim 6, wherein the second fixing member (4) comprises an input tube socket (41) disposed on the outer circumferential wall of the input tube (22), and the input tube socket (41) is connected to a suction tube socket (43) through a second connection portion (42), and the suction tube socket (43) is sleeved on the suction tube (24).

8. The suction irrigation needle as claimed in claim 2, wherein the output tube (21) is provided with an output tube drainage lumen (211) at the inner circumferential side, one end of the output tube drainage lumen (211) is communicated with the drainage needle tube (23), and the other end is correspondingly arranged with the end of the communicating tube (74).

9. The suction irrigation needle as recited in claim 8, wherein an inlet tube drainage lumen (221) is formed at the inner circumferential side of the inlet tube (22), one end of the inlet tube drainage lumen (221) is communicated with the suction tube (24), and the other end is correspondingly arranged with the end of the communicating tube (74).

10. The aspiration irrigation needle according to claim 7, wherein the output tube engaging portion (31), the first connecting portion (32), and the needle tube engaging portion (33) are integrally formed, and the input tube engaging portion (41), the second connecting portion (42), and the suction tube engaging portion (43) are integrally formed.

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