CN213852745U

CN213852745U - Biopsy forceps channel three-way valve used for soft endoscope and capable of preventing backflow

Info

Publication number: CN213852745U
Application number: CN202022633124.7U
Authority: CN
Inventors: 朱仲玫; 何桂英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-03
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a biopsy forceps way three-way valve that is used for soft scope to prevent refluence, it relates to medical instrument technical field, and it includes the valve body, the valve body includes the first passageway that is used for connecting the endoscope surgical instruments disk seat, supplies the second passageway that the biopsy forceps passed through and is used for connecting the third passageway of filling pump connecting pipe, the valve body adopts medical plastics to make, the second passageway is linked together with the first passageway, and the inboard detachable of second passageway is provided with sealed mantle, be provided with an incision that is used for supplying the biopsy forceps to pass through on the sealed mantle, sealed mantle adopts the latex to make, the third passageway sets up between first passageway and second passageway, and the third passageway is linked together with first passageway and second passageway, is provided with the check valve on the third passageway. After the technical scheme is adopted, the utility model discloses can realize biopsy and water injection simultaneously to prevent that the internal liquid of human body is excessive, palirrhea, difficult operation flexibility that influences.

Description

Biopsy forceps channel three-way valve used for soft endoscope and capable of preventing backflow

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to biopsy forceps way three-way valve that is used for soft scope to prevent refluence.

Background

In recent years, rapid progress and development of digestive endoscopes provide a new diagnosis and treatment method for various digestive tract and peripheral organ diseases of the digestive tract, and particularly, popularization of pigment endoscopes, amplification endoscopes and ultrasonic endoscopes plays a great promoting role in diagnosis and treatment of early cancer of the digestive tract.

There is the digestion scope that does not contain the radiant water pipeline in the market at present, and this type of digestion scope is usually injected into the alimentary canal through biopsy forceps channel with the help of the filling pump with normal saline or sterile water in, uses the filling pump after, and the operation doctor can't water injection and operation simultaneously, is unfavorable for accurately finding the focus, and the operation is difficult, and the success rate reduces. The prior stainless steel adapter can realize synchronous perfusion treatment, but has the following defects: 1. the water injection channel and the biopsy channel form a 90-degree right angle, and when water injection and biopsy are synchronous, normal saline or sterilized water overflows from the biopsy channel under the action of pressure to pollute an operator and influence the flushing of a wound surface; 2. the water injection pipe has no anti-backflow function, and when the endoscope is in negative pressure suction, secretion such as body fluid, blood and the like in the alimentary canal is easy to flow backwards to pollute the water injection pipe; the product is not integrated, is easy to separate and lose during cleaning, and is complex to install; 4. the stainless steel material is heavy; 5. the product is not sold separately and is difficult to buy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide one kind and can realize biopsy and water injection simultaneously to prevent that the internal liquid of human body is excessive, palirrhea, difficult biopsy forceps way three-way valve that is used for that soft scope can prevent refluence that influences the flexibility of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the valve body comprises a first channel used for being connected with a valve seat of an endoscope surgical instrument, a second channel used for allowing a biopsy forceps to pass through and a third channel used for being connected with a connecting pipe of a perfusion pump, the valve body is made of medical plastics, the second channel is communicated with the first channel, a sealing sleeve film is detachably arranged on the inner side of the second channel, a cut used for allowing the biopsy forceps to pass through is formed in the sealing sleeve film, the sealing sleeve film is made of latex, the third channel is arranged between the first channel and the second channel, the third channel is communicated with the first channel and the second channel, an included angle between the third channel and the second channel is designed to be an acute angle, and a one-way valve is arranged on the third channel.

Furthermore, the inner side of the first channel is provided with an internal thread matched with the outer diameter of the valve seat of the endoscopic surgery instrument, and the first channel is sleeved on the outer side of the valve seat of the endoscopic surgery instrument.

Further, the third channel and the second channel are designed to form an angle of 45 degrees.

Further, the incision is a cross-shaped incision.

Further, the medical plastic is one of polyvinyl chloride, polyethylene, polypropylene, polystyrene, polycarbonate, ABS, polyurethane, polyamide, thermoplastic elastomer, polysulfone and polyether ether ketone.

After the technical scheme is adopted, the utility model discloses a biopsy forceps way three-way valve that is used for soft scope can prevent refluence is provided with three passageway, through the endoscope surgical instruments of first passageway connection, the second passageway supplies biopsy forceps to pass through, the third passageway is connected the filling pump connecting pipe, communicates each other between the three passageway, realizes water injection and endoscope biopsy operation simultaneously; the sealing sleeve film is arranged on the second channel to block the internal liquid and the gas, so that the internal liquid of a human body can be prevented from overflowing to cause pollution when the biopsy forceps are used; the sealing sleeve film is provided with a cut for biopsy forceps to carry out biopsy operation; the one-way valve is arranged on the third channel, so that the situation that liquid in a human body flows back to pollute the connecting pipe of the perfusion pump when the endoscope is sucked under negative pressure can be effectively prevented; the third channel and the second channel are designed in an acute angle, so that the smoothness of liquid pouring is facilitated, and the phenomenon of backflow and overflow is prevented; the valve body is made of medical plastics, so that the valve is small in size, light in weight, not easy to influence the operation flexibility and low in cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the middle sealing sleeve 121 of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1-2, the utility model discloses a biopsy forceps way three-way valve that is used for soft scope to prevent refluence, it includes valve body 1, valve body 1 includes first passageway 11, second passageway 12 and third passageway 13, valve body 1 adopts medical plastics to make.

The medical plastic is one of polyvinyl chloride (PVC), Polyethylene (PE), polypropylene (PP), Polystyrene (PS), Polycarbonate (PC), ABS, polyurethane, polyamide, thermoplastic elastomer, polysulfone and polyether ether ketone.

The first channel 11 is used for connecting an endoscopic surgery instrument valve seat, the inner side of the first channel 11 is provided with an internal thread 111 matched with the outer diameter of the endoscopic surgery instrument valve seat, and the first channel 11 is sleeved on the outer side of the endoscopic surgery instrument valve seat through threaded connection.

The second channel 12 is used for the biopsy forceps to pass through, the inner side of the second channel 12 is detachably provided with a sealing sleeve film 121, the sealing sleeve film 121 is made of latex materials, the sealing sleeve film 121 can separate liquid and gas in a human body, the liquid can be prevented from overflowing to cause pollution when the biopsy forceps are used, a notch a is formed in the sealing sleeve film 121 and can accommodate the biopsy forceps to pass through, the second channel 12 is communicated with the first channel 11, and the notch a is a cross-shaped notch.

The third channel 13 is used for connecting a perfusion pump connecting pipe and is used for injecting water, the third channel 13 is communicated with the first channel 11 and the second channel 12, the third channel 13 and the second channel are designed to form an angle of 45 degrees, so that smoothness of liquid perfusion is facilitated, and the third channel is provided with the one-way valve 131 which can prevent liquid in a human body from reversely flowing to pollute the perfusion pump connecting pipe when the endoscope is subjected to negative pressure suction.

The utility model discloses the theory of operation does: the first channel 11 is connected with an endoscopic surgical instrument, the second channel 12 is used for a biopsy forceps to pass through, the third channel 13 is connected with a perfusion pump connecting pipe, the second channel 12 is used for the biopsy forceps to pass through, the third channel 13 is used for injecting normal saline or sterilized water, and the three channels are mutually communicated, so that the water injection and endoscopic biopsy operations can be simultaneously realized; a detachable sealing sleeve film 121 is arranged on the inner side of the second channel 12, the sealing sleeve film 121 is made of latex materials, a cut a is formed in the sealing sleeve film 121 and is used for a biopsy forceps to pass through, the sealing sleeve film 121 can block liquid and gas in a human body, and the liquid can be prevented from overflowing to cause pollution when the biopsy forceps are used; the third channel 13 is provided with a one-way valve 131, and the one-way valve 131 can be closed after water injection is not needed or is finished, so that when the endoscope is sucked under negative pressure, the human body fluid cannot flow back to pollute a connecting pipe of the perfusion pump; an included angle between the third channel 13 and the second channel 12 is 45 degrees, which is beneficial to the smoothness of liquid perfusion; the valve body 1 is made of medical plastics, has small volume and light weight, is not easy to influence the flexibility of the endoscope operation, and has lower cost.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a biopsy forceps way three-way valve that is used for soft scope can prevent refluence which characterized in that: the valve body comprises a first channel used for being connected with a valve seat of an endoscopic surgical instrument, a second channel used for a biopsy forceps to pass through and a third channel used for being connected with a connecting pipe of a perfusion pump, the valve body is made of medical plastics, the second channel is communicated with the first channel, a sealing sleeve film is detachably arranged on the inner side of the second channel, an incision used for the biopsy forceps to pass through is formed in the sealing sleeve film, the sealing sleeve film is made of latex, the third channel is arranged between the first channel and the second channel, the third channel is communicated with the first channel and the second channel, the included angle between the third channel and the second channel is designed to be an acute angle, and a one-way valve is arranged on the third channel.

2. The biopsy forceps channel three-way valve for the soft endoscope with the anti-reflux function, according to claim 1, is characterized in that: the inner side of the first channel is provided with internal threads matched with the outer diameter of the valve seat of the endoscopic surgical instrument, and the first channel is sleeved on the outer side of the valve seat of the endoscopic surgical instrument.

3. The biopsy forceps channel three-way valve for the soft endoscope with the anti-reflux function, according to claim 1, is characterized in that: the third channel and the second channel are designed to form an angle of 45 degrees.

4. The biopsy forceps channel three-way valve for the soft endoscope with the anti-reflux function, according to claim 1, is characterized in that: the incision is a cross-shaped incision.

5. The biopsy forceps channel three-way valve for the soft endoscope with the anti-reflux function, according to claim 1, is characterized in that: the medical plastic is one of polyvinyl chloride, polyethylene, polypropylene, polystyrene, polycarbonate, ABS, polyurethane, polyamide, thermoplastic elastomer, polysulfone and polyether-ether-ketone.