CN210277110U - Suction button for endoscope - Google Patents

Suction button for endoscope Download PDF

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Publication number
CN210277110U
CN210277110U CN201920402100.5U CN201920402100U CN210277110U CN 210277110 U CN210277110 U CN 210277110U CN 201920402100 U CN201920402100 U CN 201920402100U CN 210277110 U CN210277110 U CN 210277110U
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China
Prior art keywords
channel
suction
piston assembly
wall
central axis
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Active
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CN201920402100.5U
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Chinese (zh)
Inventor
夏棋强
干海绅
王刚
张辉
郑俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Youyi Medical Equipment Co., Ltd
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ZHEJIANG UE MEDICAL CORP
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Priority to CN201920402100.5U priority Critical patent/CN210277110U/en
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Abstract

The utility model provides an endoscope suction button, which comprises an inner tube body, a first suction pipe, a second suction pipe and a suction pipe, wherein the inner tube body is arranged on a central axis and internally forms a first channel for fluid circulation; a suction valve body which is provided on a central axis and is connected to a main tube, and in which a second channel communicating with an endoscope internal channel is formed; a piston assembly that facilitates communication or sealing of the first passage with the second passage; the elastic pressing piece comprises a triggering key and a spiral spring piece, the triggering key acts on the tail end of the piston assembly, the spiral spring piece is arranged between the triggering key and the piston assembly, and the triggering key elastically presses the piston rod towards the direction of the second channel through the spiral spring piece so that the sealing cap is separated from the sealing ring.

Description

Suction button for endoscope
Technical Field
The utility model belongs to the endoscope field, in particular to suction button for endoscope.
Background
The endoscope enters the human body through a natural pore canal of the human body or a small incision made by operation. Endoscopes are a common medical device. Comprises a bendable part, a light source and a group of lenses. When in use, the endoscope is introduced into a pre-checked organ, and the change of the relevant part can be directly observed; with the development of electronics and digital video technology, an electronic endoscope appears in 80 s, so that an optical fiber image transmission is not needed, and a photosensitive integrated circuit camera system is used instead, so that the displayed image has high quality, high brightness, large image, capability of detecting finer lesions, thinner outer diameter, clearer and more visual image and convenient operation; the endoscope has a plurality of types, wherein the electronic bronchoscopy is one of the important diagnosis and treatment means for respiratory diseases, and has very important value for the diagnosis and treatment of diseases such as tracheobronchial lesions and lung occupation, particularly lung portal occupation, pulmonary tuberculosis, atelectasis, lung infection, foreign bodies in tracheobronchial tubes and the like; the electronic bronchoscope is specifically inserted into an insertion part of a cavity part of a human body, and is connected with a handle and a visual display screen of the insertion part; wherein, the inside of the insertion part of the electronic bronchoscope is provided with a channel for gas, liquid and surgical equipment; the channel can be used for delivering medicine, water and gas, and in addition, the process needs to be completed by matching with an attraction button; the currently disclosed suction button has the problem of poor assembly effect, and the suction button is separated from the main pipe body in the use process, so that the phenomena of air leakage and liquid leakage occur; meanwhile, the button can be connected with a suction device for sucking sputum, accumulated liquid and blood in operation or other redundant liquid or viscous liquid substances in the body. Further, since rubber is used as the elastic pressing member, there is a drawback that the rubber is easily aged.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problem, the utility model provides an endoscope is with attracting button, should attract the button to include:
the inner pipe body is arranged on the central axis, a first channel for fluid circulation is formed in the inner pipe body, a connecting pipe communicated with the first channel is arranged on the outer side of the inner pipe body, and the connecting pipe is used for being connected with external suction equipment;
a suction valve body which is provided on a central axis and which is connected to the inner tube, the suction valve body having a second channel formed therein which communicates with the endoscope internal channel;
the piston assembly is arranged in the first channel and the second channel and has an extending state and a retreating state through reciprocating movement along a central axis, the piston assembly comprises a piston rod arranged on the central axis and a sealing cap positioned at the head end of the piston rod, and a sealing ring is arranged between the first channel and the second channel; when the piston assembly is in a retraction state, the sealing cap is in sealing joint with the sealing ring so as to seal the first channel and the second channel, and when the piston assembly is in an extension state, the sealing cap is disengaged from the sealing ring so as to realize the communication between the first channel and the second channel;
the elastic pressing piece comprises a triggering key and a spiral spring piece, the triggering key is arranged along the central axis and acts on the tail end of the piston assembly, the spiral spring piece is arranged between the triggering key and the piston assembly, and the triggering key elastically presses the piston rod towards the direction of the second channel through the spiral spring piece so that the sealing cap is separated from the sealing ring.
Preferably, the inner wall of the suction valve main body is provided with a limiting groove, the outer wall of the inner tube body is provided with a limiting protruding rod at a position corresponding to the limiting groove, and the inner tube body and the suction valve main body are in limiting fit with the limiting groove through the limiting protruding rod.
Preferably, the outer wall of the inner tube body is provided with at least one limiting ridge from the front end to the tail end, and the inner wall of the suction valve body is provided with limiting steps at intervals from the front end to the tail end, wherein the limiting steps are in limiting fit with the limiting ridges.
Preferably, the sealing cap has a conical formation which sealingly engages with the inner periphery of the sealing ring.
Preferably, the inner pipe body comprises an outer circumferential wall and an inner circumferential wall extending from the outer circumferential wall along the central axis, a mounting space is formed between the outer circumferential wall and the inner circumferential wall, the inner circumferential wall defines a first channel, and the connecting pipe is communicated with the inner circumferential wall; the trigger key is provided with a cylindrical wall and a pressing piece formed on the inner side of the cylindrical wall, and the cylindrical wall and the spiral spring piece are positioned in the installation space; the pressing piece extends into the inner side of the inner circumferential wall and is used for pressing the tail end of the cap rod assembly.
Preferably, the elastic pressing member, the inner tube body and the suction valve body are made of a metal material or a polymer material.
Preferably, the metal material is stainless steel.
Preferably, the connecting pipe is of an arc design.
Preferably, the metal material is stainless steel.
Preferably, the connecting pipe is of an arc design.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model replaces the existing rubber elastic part, the sealing effect can be adjusted according to the force of pressing the spring by a doctor or other operators, and the use under different pressures is satisfied; and simultaneously, the utility model discloses a coil spring be built-in and the current rubber exposes to the outside under the environment, has solved the not enough and easy ageing problem of rubber elastic component resilience force.
The utility model discloses a set up the spacing cooperation of stopping of spacing nose bar and spacing groove, prevent that the lower part is used for the emergence of the attraction valve main part obscission of assembly.
The utility model discloses a stainless steel material preparation elasticity is according to the piece, increase of service life.
Drawings
Fig. 1 is a schematic structural view of an endoscope suction button according to the present invention;
fig. 2 is a plan view and an axial sectional view of the suction button for an endoscope according to the present invention;
fig. 3 is a schematic structural view of the main pipe body and the connecting pipe provided by the present invention;
fig. 4 is a schematic view showing a flow direction of fluid in the suction button for an endoscope according to the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
in the description of the present invention, the positional relationships indicated by the "head end", "tail end", "inner side" and "outer side" are the positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures and parts referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
The utility model provides an endoscope is with attracting button, as shown in fig. 1, should attract the button and include:
an inner tube 1, and referring to fig. 2, the inner tube 1 is disposed on the central axis o and forms a first channel 100 for fluid flowing therein, a connecting tube 5 communicating with the first channel 100 is disposed on the outer side of the inner tube 1, the connecting tube 5 has a connector 51, the connecting tube 5 is used for connecting with an external suction device or a medicine feeding and air feeding device, in some embodiments, as shown in fig. 2, the connecting tube 5 may be designed in an arc shape as appropriate according to the specific practical situation, and is disposed at a perpendicular angle or an acute angle or an obtuse angle with the outer side of the main tube;
a suction valve main body 2, the suction valve main body 2 being disposed on the central axis 0 and connected to the inner tube 1, the suction valve main body 2 forming a second channel 200 therein and communicating with the internal channel of the endoscope, the suction valve main body 2 being used to install the suction button on the endoscope, specifically, the prior art discloses an installation structure of the suction valve main body and the endoscope, which is not described in detail in this embodiment, it is understood that the suction valve main body needs to communicate with the endoscope, and the second channel 200 disposed therein and the first channel 100 of the main tube need to be sealed or closed, so as to open or close the suction button;
a piston assembly, referring to fig. 4, disposed inside the first and second passages and having an extended state B and a retracted state a by reciprocating along the central axis o, including a piston rod 63 disposed along the central axis o and a sealing member 61 at a head end of the piston rod, the piston rod 63 having a tail end, and a sealing ring 8 disposed between the first and second passages 100 and 200; when the cap rod assembly is in a return state A, the sealing cap 61 is in sealing joint with the sealing ring 8 so as to seal the first channel 100 and the second channel 200, when the piston assembly is in an extension state B, the sealing cap 1 is separated from the sealing ring 8 so as to realize the communication between the first channel 100 and the second channel 200, and as a preferred implementation mode, the utility model is provided with a limiting ring 7, and the limiting ring 7 is in limiting fit with a limiting part arranged on the piston rod 63 so as to avoid the movement of the piston assembly in other directions except the axial direction;
the elastic pressing piece 3, this elastic pressing piece 3 includes trigger key 31 and spiral spring part 32 along the central axis setting, trigger key 31 acts on the afterbody 62 of the piston assembly, the spiral spring part 32 sets up between trigger key 31 and piston assembly, so the utility model provides a spiral spring part is the built-in elastic component, trigger key 31 presses the piston assembly through spiral spring part 32 towards the elasticity of second passageway 200 direction, so that the head 61 of the piston assembly breaks away from the sealing washer 8;
as shown in fig. 1 and fig. 2, the inner wall of the main suction valve body 2 is provided with a limiting groove 21, the outer wall of the main pipe body 1 is provided with a limiting protruding rod 11 at a position corresponding to the limiting groove 21, and the main pipe body 1 and the main suction valve body 2 are in limiting fit with the limiting groove through the limiting protruding rod 11; in a preferred embodiment, in order to further position the main pipe body 1 and the suction valve body 2, the outer wall of the inner pipe body 1 is provided with at least one set of limit ridges 12, and the inner wall of the suction valve body is provided with limit steps 22 in limit fit with the limit ridges 12; as shown in fig. 3, in the present embodiment, the inner pipe body 1 includes an outer circumferential wall 101 and an inner circumferential wall 102 extending from the outer circumferential wall 101 along the central axis, a mounting space 103 is formed between the outer circumferential wall 101 and the inner circumferential wall 102, the inner circumferential wall 102 defines a first passage 100, and the connecting pipe 5 communicates with the inner circumferential wall 102. Further, referring to fig. 2, the trigger key 31 has a cylindrical wall 310 and a pressing member 311 formed inside the cylindrical wall 310, the cylindrical wall 310 and the coil spring member 32 are positioned in the installation space 103; the pressing piece 311 extends into the inner circumferential wall 102 for pressing the tail end 62 of the cap stem assembly;
in addition, the utility model provides a seal ring 8 is connected and it forms an oral area 81 with the head end of interior body 1, and this sealing cap 61 has the toper structure, and the tail end of this toper structure forms a gasket 611, and this gasket 611 and oral area 81 can be sealed and joined, in the utility model discloses, the gasket is for forming in the tail end periphery 611 of this toper structure 61, the lip 82 butt of oral area forms composition plane C on this periphery;
the utility model discloses an embodiment, the sealing washer is responsible for the head end connected form of the body with being: the outer wall of the sealing ring is in spacing fit with the lower side of the outer wall of the inner circumferential wall 102 through a spacing assembly (a spacing groove 13 and a spacing lug 82).
In this embodiment, the elastic pressing member, the inner tube and the suction valve body are made of stainless steel or polymer material.
As shown in fig. 4, a1 in fig. 4 illustrates the piston assembly in a retracted state when the elastic button is in a relaxed state, the sealing cap 61 is in sealing engagement with the lip 82 of the sealing ring 8, and the external fluid is in this state communicated between the first passage and the connecting pipe, and the passage among the first passage 100, the connecting pipe 5 and the second passage 200 is closed, i.e. the sealing function is realized;
when suction operation is required, such as sputum suction, accumulated fluid suction, blood suction during operation, and other excess fluid or fluid sticky substances in the body, the interface 51 of the connecting pipe 5 is connected with the suction device, the trigger key 31 is elastically pressed by a doctor or other operators, as shown in a2 in fig. 4, the pressing piece 311 pushes the piston assembly to slide towards the second channel 200, the piston assembly is in an extended state, the sealing cap 61 is disengaged from the sealing ring, so that the first channel 100, the second channel 200 and the inside of the endoscope are communicated, negative pressure is generated between the first channel 100 and the second channel 200, sputum or accumulated fluid or other fluid is sucked from the endoscope channel to the suction device to generate suction function, if the suction operation is completed, the trigger key is directly released, the piston assembly automatically retracts to the original retraction state, and the sealing cap and the sealing ring are in sealing engagement again;
similarly, as shown in a3 in fig. 4, when the medicine feeding operation is required, the mouthpiece 51 of the connection tube 5 is connected to the medicine feeding/feeding device, and at this time, the elastic pusher is pushed to communicate the first channel 100, the second channel 200, and the inside of the endoscope, and the medicine, gas, or other fluid is fed into the inside channel of the endoscope and further into the human body.
Although the embodiments disclosed by the subject matter described herein have been shown in the drawings and fully described above with particularity and detail in connection with several exemplary embodiments, many modifications, changes, and omissions may be made by those skilled in the art without departing from the teachings, principles, and concepts set forth herein. Accordingly, the proper scope of the disclosed invention should be determined only by the broadest interpretation of the appended claims so as to encompass all such modifications, changes, and omissions.

Claims (8)

1. An endoscope suction button, characterized in that: the attraction button includes:
the inner pipe body is arranged on the central axis, a first channel for fluid circulation is formed in the inner pipe body, a connecting pipe communicated with the first channel is arranged on the outer side of the inner pipe body, and the connecting pipe is used for being connected with external suction equipment;
a suction valve body which is provided on a central axis and which is connected to the inner tube, the suction valve body having a second channel formed therein which communicates with the endoscope internal channel;
the piston assembly is arranged in the first channel and the second channel and has an extending state and a retreating state through reciprocating movement along a central axis, the piston assembly comprises a piston rod arranged on the central axis and a sealing cap positioned at the head end of the piston rod, and a sealing ring is arranged between the first channel and the second channel; when the piston assembly is in a retreating state, the sealing cap is in sealing joint with the sealing ring so as to seal the first channel and the second channel, and when the piston assembly is in an extending state, the sealing cap is disengaged from the sealing ring so as to realize the communication between the first channel and the second channel;
the elastic pressing piece comprises a triggering key and a spiral spring piece, the triggering key is arranged along the central axis and acts on the tail end of the piston assembly, the spiral spring piece is arranged between the triggering key and the piston assembly, and the triggering key elastically presses the piston rod towards the direction of the second channel through the spiral spring piece so that the sealing cap is separated from the sealing ring.
2. The endoscopic suction button according to claim 1, wherein: the inner wall of the suction valve main body is provided with a limiting groove, the outer wall of the inner tube body is provided with a limiting convex rod corresponding to the limiting groove, and the inner tube body and the suction valve main body are in limiting fit with the limiting groove through the limiting convex rod.
3. The endoscopic suction button according to claim 1, wherein: the outer wall of the inner pipe body is provided with at least one limiting ridge from the front end to the tail end, and the inner wall of the suction valve body is provided with limiting steps in spacing fit with the limiting ridges at intervals from the front end to the tail end.
4. The endoscopic suction button according to claim 1, wherein: the sealing cap has a tapered configuration that sealingly engages the inner periphery of the sealing ring.
5. The endoscopic suction button according to claim 1, wherein: the inner pipe body comprises an outer circumferential wall and an inner circumferential wall extending from the outer circumferential wall along a central axis, an installation space is formed between the outer circumferential wall and the inner circumferential wall, the inner circumferential wall defines a first channel, and the connecting pipe is communicated with the inner circumferential wall; the trigger key is provided with a cylindrical wall and a pressing piece formed on the inner side of the cylindrical wall, and the cylindrical wall and the spiral spring piece are positioned in the installation space; the pressing piece extends into the inner side of the inner circumferential wall and is used for pressing the tail end of the cap rod assembly.
6. The endoscopic suction button according to claim 1, wherein: the elastic pressing piece, the inner tube body and the suction valve main body are made of metal materials or high polymer materials.
7. The endoscopic attraction button according to claim 6, wherein: the metal material is stainless steel.
8. The endoscopic suction button according to claim 1, wherein: the connecting pipe adopts the arc design.
CN201920402100.5U 2019-03-27 2019-03-27 Suction button for endoscope Active CN210277110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920402100.5U CN210277110U (en) 2019-03-27 2019-03-27 Suction button for endoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920402100.5U CN210277110U (en) 2019-03-27 2019-03-27 Suction button for endoscope

Publications (1)

Publication Number Publication Date
CN210277110U true CN210277110U (en) 2020-04-10

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Application Number Title Priority Date Filing Date
CN201920402100.5U Active CN210277110U (en) 2019-03-27 2019-03-27 Suction button for endoscope

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022205877A1 (en) * 2021-03-31 2022-10-06 浙江优亿医疗器械股份有限公司 Anti-falling aspiration assembly
CN115486795A (en) * 2022-11-22 2022-12-20 浙江华诺康科技有限公司 Endoscope handle and suction valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022205877A1 (en) * 2021-03-31 2022-10-06 浙江优亿医疗器械股份有限公司 Anti-falling aspiration assembly
CN115486795A (en) * 2022-11-22 2022-12-20 浙江华诺康科技有限公司 Endoscope handle and suction valve

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Address after: 317317 No.8 Youyi Road, Baita block, Xianju Economic Development Zone, Baita Town, Xianju County, Taizhou City, Zhejiang Province

Patentee after: Zhejiang Youyi Medical Equipment Co., Ltd

Address before: 317317 No.8 Youyi Road, Baita block, Xianju Economic Development Zone, Baita Town, Xianju County, Taizhou City, Zhejiang Province

Patentee before: ZHEJIANG UE MEDICAL Corp.