CN109008902B - Endoscope operation part and endoscope - Google Patents
Endoscope operation part and endoscope Download PDFInfo
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- CN109008902B CN109008902B CN201810874571.6A CN201810874571A CN109008902B CN 109008902 B CN109008902 B CN 109008902B CN 201810874571 A CN201810874571 A CN 201810874571A CN 109008902 B CN109008902 B CN 109008902B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
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Abstract
An endoscope operation part comprises a rotating wheel component, a first single-tooth ratchet wheel component and a first external gear component. The rotating wheel assembly comprises a rotating wheel core stator, a first rotating wheel core and a rotating wheel outer sleeve. The first single-tooth ratchet wheel component comprises a first ratchet wheel core, a first elastic sliding component, a first limiting terminal and a first adjusting component. The first outer gear piece is sleeved on the first rotating shaft and fixedly connected with the first rotating shaft, and one end, far away from the first elastic piece, of the first limiting main body is used for limiting the first outer gear piece. The endoscope operation part can realize two functions of free forward rotation and reverse rotation of the first rotating disc and locking by adopting the ratchet wheel matched with the precision gear. The first adjusting part is pulled forwards and backwards, so that the effects of controlling the snake bone suction head to swing back and forth and limiting the swing position can be achieved, the use is convenient, and the operation can be performed by one hand. Further, an endoscope including the endoscope operation portion is provided.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an endoscope operating part and an endoscope.
Background
When a hospital needs to use an endoscope for examination and treatment, an electronic endoscope is needed. Sometimes, in order to fix the head end direction and prevent an accident from occurring, the endoscope operation portion needs to be fixed. The operation is mostly carried out by using two hands, and the operation by one hand is very inconvenient.
The side control structure of the endoscope is generally of two types, namely a side runner type and a side poking rod type. Traditional avris runner formula fixed scheme relies on the increase frictional force to fix for toggle switch, and needs to pay attention to toggle switch and prevents that it from skidding, causes the skew of head end direction. The side shifting levers do not provide a means for attachment.
Disclosure of Invention
In view of this, it is desirable to provide an endoscope operation section and an endoscope that can be operated with one hand and that can fix the head end direction well.
An endoscope operation part comprises a rotating wheel component, a first single-tooth ratchet wheel component and a first external gear component;
the rotating wheel assembly comprises a rotating wheel core stator, a first rotating wheel core and a rotating wheel outer sleeve, the first rotating wheel core is sleeved on the rotating wheel core stator, the first rotating wheel core comprises a first rotating disc and a first rotating shaft, the first rotating shaft is fixedly connected with one side of the first rotating disc, the rotating wheel outer sleeve is sleeved on the first rotating shaft, and one end, far away from the first rotating disc, of the first rotating shaft penetrates out of the rotating wheel outer sleeve;
the first single-tooth ratchet wheel assembly comprises a first ratchet wheel core, a first elastic sliding assembly, a first limiting terminal and a first adjusting control piece;
the first ratchet wheel core is sleeved on the rotating wheel outer sleeve, a first blind hole and a first through groove are formed in the periphery of the first ratchet wheel core along the radial direction, the first blind hole and the first through groove are arranged at intervals, and the first elastic sliding assembly is arranged in the first blind hole;
the first limiting terminal comprises a first limiting part and a first elastic part, the first limiting part comprises a first limiting main body and a first buckling part fixedly connected with the first limiting main body, the first limiting main body is arranged in the first through groove, the first elastic part is arranged at one end of the first limiting main body, and one end, far away from the first elastic part, of the first limiting main body penetrates out of the first through groove;
the first regulating and controlling member is sleeved on the periphery of the first ratchet core and comprises a first top plate and a first regulating and controlling ring formed by extending the edge of the first top plate along the direction vertical to the plane of the first top plate, a first groove and a second groove are formed in the inner side of the first regulating and controlling ring, one end of the first elastic sliding assembly, far away from the bottom of the first blind hole, can slide between the first groove and the second groove, one end of the first elastic member, far away from the first limiting main body, is in contact with the inner side of the first regulating and controlling ring, a strip-shaped first regulating and controlling hole is formed in the first top plate, the distance from one end of the first regulating and controlling hole to the circle center of the first top plate is smaller than the distance from the other end of the first regulating and controlling hole to the circle center of the first top plate, and the first buckling part is arranged in the first regulating and controlling hole, the first buckling part can slide in the first regulating hole;
the first outer gear piece is sleeved on the first rotating shaft and fixedly connected with the first rotating shaft, and one end, far away from the first elastic piece, of the first limiting main body is used for limiting the first outer gear piece.
In one embodiment, the gear transmission mechanism further comprises a second rotating wheel core, and a second external gear piece and a second single-tooth ratchet wheel assembly which are sequentially arranged along the direction far away from the first rotating disc;
the second rotating wheel core comprises a second rotating disc and a second rotating shaft, the second rotating shaft is fixedly connected with one side of the second rotating disc, the second rotating wheel core is sleeved on the rotating wheel core stator, the second rotating wheel core is arranged between the rotating wheel core stator and the first rotating wheel core, the second rotating shaft penetrates out of the first rotating shaft, and the rotating wheel core stator penetrates out of the second rotating shaft;
the second external gear piece is sleeved on the second rotating shaft and fixedly connected with the second rotating shaft;
the second single-tooth ratchet wheel assembly comprises a second ratchet wheel core, a second elastic sliding assembly, a second limiting terminal and a second adjusting piece;
the second ratchet wheel core is sleeved on the rotating wheel core stator, a second blind hole and a second through groove are radially formed in the periphery of the second ratchet wheel core, the second blind hole and the second through groove are arranged at intervals, and the second elastic sliding assembly is arranged in the second blind hole;
the second limiting terminal comprises a second limiting part and a second elastic part, the second limiting part comprises a second limiting main body and a second buckling part fixedly connected with the second limiting main body, the second limiting main body is arranged in the second through groove, the second elastic part is arranged at one end of the second limiting main body, one end, far away from the second elastic part, of the second limiting main body penetrates out of the second through groove, and one end, far away from the second elastic part, of the second limiting main body is used for limiting the second external gear part;
the second regulating and controlling member is sleeved on the periphery of the second ratchet core and comprises a second top plate and a second regulating and controlling ring formed by extending the edge of the second top plate along the direction vertical to the plane of the second top plate, the inner side of the second regulating and controlling ring is provided with a third groove and a fourth groove, one end of the second elastic sliding assembly, which is far away from the bottom of the second blind hole, can slide between the third groove and the fourth groove, one end of the second elastic member, which is far away from the second limiting main body, is contacted with the inner side of the second regulating and controlling ring, the second top plate is provided with a strip-shaped second regulating and controlling hole, the distance from one end of the second regulating and controlling hole to the circle center of the second top plate is smaller than the distance from the other end of the second regulating and controlling hole to the circle center of the second top plate, and the second buckling part is arranged in the second regulating and controlling hole, and the second buckling part can slide in the second regulating hole.
In one embodiment, the first elastic sliding assembly includes a third elastic member and a first ball, one end of the third elastic member contacts with the bottom of the first blind hole, the first ball is disposed at the other end of the third elastic member, the first ball is partially accommodated in the first groove or the second groove, and the first ball is slidable between the first groove and the second groove.
In one embodiment, the second elastic sliding assembly includes a fourth elastic member and a second ball, one end of the fourth elastic member contacts with the bottom of the second blind hole, the second ball is disposed at the other end of the fourth elastic member, the second ball is partially accommodated in the third groove or the fourth groove, and the second ball is slidable between the third groove and the fourth groove.
In one embodiment, the first external gear piece comprises a first external gear and a first ring body fixedly connected with one end of the first external gear, and the periphery of the first ring body is in a wavy circular shape.
In one embodiment, the second external gear member includes a second external gear and a second ring body fixedly connected to one end of the second external gear, and an outer circumference of the second ring body is in a wave-like circular shape.
In one embodiment, the end of the rotor core stator is provided with a fixing screw.
In one embodiment, the ratchet wheel further comprises a first nut, the first nut is sleeved on the wheel outer sleeve, and the first nut is used for locking the first ratchet wheel core on the wheel outer sleeve.
In one embodiment, the gear transmission device further comprises a second nut, the second nut is sleeved on the first rotating shaft, and the second nut is used for locking the first gear piece on the first rotating shaft.
The endoscope operation part can realize two functions of free forward rotation and reverse rotation of the first rotating disc and locking by adopting the ratchet wheel matched with the precision gear. The first adjusting part is pulled forwards and backwards, so that the effects of controlling the snake bone suction head to swing back and forth and limiting the swing position can be achieved, the use is convenient, and the operation can be performed by one hand.
An endoscope comprises a snake bone suction head and the endoscope operation part, wherein the snake bone suction head is connected with the endoscope operation part.
According to the endoscope, the operating part of the endoscope adopts the ratchet wheel matched with the precision gear, so that two functions of freely rotating the first rotating disc forwards and backwards and locking the first rotating disc can be realized. The first adjusting part is pulled forwards and backwards, so that the effects of controlling the snake bone suction head to swing back and forth and limiting the swing position can be achieved, the use is convenient, and the operation can be performed by one hand.
Drawings
FIG. 1 is an exploded view of a viewing angle of an endoscope operating portion according to one embodiment;
FIG. 2 is an exploded view of the operating section of the endoscope shown in FIG. 1 from another perspective;
FIG. 3 is an exploded view of the operating portion of the endoscope shown in FIG. 1 from yet another perspective;
FIG. 4 is a schematic view of a first ratchet core;
fig. 5 is a schematic structural view of a first limit terminal;
FIG. 6 is a schematic structural diagram of a first elastic sliding component at a first groove of a first adjusting component;
fig. 7 is a schematic structural diagram of the first elastic sliding component at the second groove of the first adjusting component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, an endoscope operating portion 100 according to an embodiment includes a wheel assembly, a first single-tooth ratchet assembly, and a first external gear member 80.
The wheel assembly includes a wheel core stator 10, a first wheel core 20, and a wheel cover 30. The rotor core stator 10 includes a disk portion and a shaft portion. The disk part is mainly fixedly combined with the internal structural part of the operating handle.
The first rotating wheel core 20 is sleeved on the rotating wheel core stator 10, the first rotating wheel core 20 comprises a first rotating disc 22 and a first rotating shaft 24, one side of the first rotating shaft 24 is fixedly connected with one side of the first rotating disc 22, the rotating wheel outer sleeve 30 is sleeved on the first rotating shaft 24, and one end, far away from the first rotating disc 22, of the first rotating shaft 24 penetrates out of the rotating wheel outer sleeve 30. The primary function of the first pulley core 20 is to move the traction wire and thereby move the snake bone at the end of the endoscope.
The first single-tooth ratchet assembly includes a first ratchet core 40, a first elastic sliding assembly 50, a first limit terminal 60 and a first adjusting member 70.
The first ratchet core 40 is sleeved on the outer sleeve 30. Referring to fig. 4, a first blind hole 42 and a first through groove 44 are radially formed on the outer periphery of the first ratchet core 40, the first blind hole 42 and the first through groove 44 are spaced apart from each other, and the first elastic sliding element 50 is disposed in the first blind hole 42.
Referring to fig. 5, the first limiting terminal 60 includes a first limiting member 62 and a first elastic member 64. The first limiting member 62 includes a first limiting main body 622 and a first fastening portion 624 fixedly connected to the first limiting main body 622. The first limiting main body 622 is disposed in the first through groove 44, the first elastic element 64 is disposed at one end of the first limiting main body 62, and one end of the first limiting main body 62, which is far away from the first elastic element 64, penetrates through the first through groove 44.
The first adjusting member 70 is disposed around the first ratchet core 40. The first adjustment member 70 includes a first top plate 72 and a first adjustment ring 74 formed by an edge of the first top plate 72 extending in a direction perpendicular to a plane in which the first top plate 72 lies. The first groove 71 and the second groove 73 are formed on the inner side of the first regulating ring 74. The end of the first resilient slide assembly 50 distal from the bottom of the first blind bore 42 is slidable between the first groove 71 and the second groove 73. One end of the first elastic member 64 away from the first stopper body 62 contacts the inner side of the first regulation ring 70. A first strip-shaped adjusting hole 75 is formed in the first top plate 72, and a distance from one end of the first adjusting hole 75 to the center of the first top plate 72 is smaller than a distance from the other end of the first adjusting hole 75 to the center of the first top plate 72. The first locking portion 624 is disposed in the first adjusting hole 75, and the first locking portion 624 is slidable in the first adjusting hole 75. When the first adjusting and controlling member 70 is operated and controlled, the first fastening portion 624 slides in the first adjusting and controlling hole 75, and the first fastening portion 624 drives the first limiting terminal 60 to move up and down.
The first external gear 80 is sleeved on the first rotating shaft 24, the first external gear 80 is fixedly connected with the first rotating shaft 24, and one end of the first limiting main body 622, which is far away from the first elastic element 64, is used for limiting the first external gear 80.
Further, an irregular through hole is formed in the middle of the first external gear member 80, and the irregular through hole matches with the shape of the first rotating shaft 24. When the first external gear member 80 rotates, the first rotation wheel core 20 also moves.
The endoscope operation section 100 can realize two functions of free forward/reverse rotation and locking of the first rotary table 22 by using a ratchet wheel and a precision gear. The effect of controlling the snake bone suction head to swing back and forth and limiting the swing position can be achieved by pulling the first adjusting part 70 forwards and backwards, and the snake bone suction head is convenient to use and can be operated by one hand.
The wheel housing 30 is fixedly connected to the housing of the endoscope operation section.
In the embodiment shown in fig. 1, the endoscope operating portion 100 further includes a second rotary wheel core 120, and a second external gear member 180 and a second single-tooth ratchet assembly, which are sequentially arranged in a direction away from the first rotary wheel 22.
The second rotating wheel core 120 includes a second rotating disk 122 and a second rotating shaft 124, and the second rotating shaft 124 is fixedly connected to one side of the second rotating disk 122. The second rotating wheel core 120 is sleeved on the rotating wheel core stator 10, the second rotating wheel core 120 is disposed between the rotating wheel core stator 10 and the first rotating wheel core 20, the second rotating shaft 124 penetrates through the first rotating shaft 24, and the rotating wheel core stator 10 penetrates through the second rotating shaft 124.
The second external gear 180 is sleeved on the second rotating shaft 124, and the second external gear 180 is fixedly connected with the second rotating shaft 124. The second external gear member 180 is provided at the middle thereof with an irregular through hole having a shape matched with the second rotation shaft 124 of the second rotation wheel core 120. When the second external gear 180 moves, the second rotating wheel core 120 also moves, thereby driving the steel wire rope to control the direction of the endoscope.
The second single-tooth ratchet assembly includes a second ratchet core 140, a second elastic sliding assembly 150, a second limit terminal 160 and a second adjusting member 170. The main function of the second ratchet core 140 is to drive the traction wire to move so as to make the snake bone at the end of the endoscope move. The combination of the first ratchet core 40 and the second ratchet core 140 can control the four directions of the snake bone at the end part of the endoscope.
The second ratchet core 140 is sleeved on the rotating wheel core stator 10, and a second blind hole (not shown) and a second through groove (not shown) are radially formed on the periphery of the second ratchet core 140. The second blind hole and the second through groove are arranged at intervals, and the second elastic sliding 150 assembly is arranged in the second blind hole.
The second position-limiting terminal 160 includes a second position-limiting member (not shown) and a second elastic member (not shown). The second limiting part comprises a second limiting main body and a second buckling part fixedly connected with the second limiting main body. The second limiting main body is arranged in the second through groove. The second elastic piece is arranged at one end of the second limiting main body. One end of the second limiting main body, which is far away from the second elastic piece, penetrates out of the second through groove. And the end of the second limiting body far away from the second elastic piece is used for limiting the second external gear piece 180.
The second adjusting member 170 is sleeved on the outer periphery of the second ratchet core 120. The second adjusting and controlling part 170 includes a second top plate and a second adjusting and controlling ring formed by extending the edge of the second top plate along the direction perpendicular to the plane of the second top plate, and a third groove and a fourth groove are formed on the inner side of the second adjusting and controlling ring. The end of the second elastic sliding component 150 far away from the bottom of the second blind hole is slidable between the third groove and the fourth groove. One end of the second elastic element far away from the second limiting main body is contacted with the inner side of the second regulating ring 170. The second top plate is provided with a strip-shaped second regulating hole, the distance from one end of the second regulating hole to the circle center of the second top plate is smaller than the distance from the other end of the second regulating hole to the circle center of the second top plate, the second clamping part is arranged in the second regulating hole, and the second clamping part can slide in the second regulating hole. When the second adjusting member 170 is operated, the second locking portion slides in the second adjusting hole, and the second locking portion drives the second limiting terminal 160 to move up and down.
The endoscope operation part is provided with a first ratchet wheel core 20, a first external gear 80 and a first single-tooth ratchet wheel component; the second ratchet wheel core 120, the second external gear element 180 and the second single-tooth ratchet wheel component can control the snake bone at the end part of the endoscope to move in four directions.
Further, the first ratchet core 40 is provided with a first through hole 46 penetrating through the first ratchet core 40. The shape of the first through hole 46 matches the configuration of the end of the wheel housing 30 remote from the first wheel 22, so that the first ratchet core 40 can be well fixed and cannot move axially.
Further, the second ratchet core 140 is provided with a second through hole (not shown) penetrating through the second ratchet core 140. The shape of the second through hole matches with the structure of the end of the rotor core stator 10 away from the first rotor plate 22, so that the second rotor core 140 can be well fixed and cannot move in the axial direction.
In one embodiment, the first elastic sliding element 50 includes a third elastic element 52 and a first ball 54, one end of the third elastic element 52 contacts with the bottom of the first blind hole 42, the first ball 54 is disposed at the other end of the third elastic element 52, the first ball 54 is partially received in the first groove 71 or the second groove 73, and the first ball 54 is slidable between the first groove 71 and the second groove 73. In the present embodiment, the first beads 54 are steel beads. It is understood that in other embodiments, the first beads 54 may be beads of other materials.
In one embodiment, second resilient slide assembly 150 includes a fourth resilient member and a second bead. One end of the fourth elastic piece is in contact with the bottom of the second blind hole, the second bead body is arranged at the other end of the fourth elastic piece, the second bead body is partially contained in the third groove or the fourth groove, and the second bead body can slide between the third groove and the fourth groove. In this embodiment, the second beads are steel beads. It is understood that in other embodiments, the second beads may be beads made of other materials.
In one embodiment, referring to fig. 1, the first external gear member 80 includes a first external gear 82 and a first ring 84 fixedly connected to one end of the first external gear 82, and an outer circumference of the first ring 84 is in a shape of a wavy circle.
In the embodiment shown in fig. 1, the second external gear member 180 includes a second external gear and a second ring body fixedly connected to one end of the second external gear, and the outer circumference of the second ring body is in a wave-like circular shape.
In one embodiment, the end of the rotor core stator 10 is provided with a set screw 90. The set screw 90 secures the second single-tooth ratchet assembly to the rotor core stator 10, forming a common body of motion.
Referring to fig. 3, in an embodiment, the endoscope operating portion 100 further includes a first nut 41, the first nut 41 is disposed on the wheel housing 30, and the first nut 41 is used for locking the first ratchet core 40 on the wheel housing 30. It will be appreciated that in other embodiments, the first ratchet core 40 may be secured to the wheel sleeve 30 in other manners.
Referring to fig. 3, in one embodiment, the endoscope operating portion 100 further includes a first buckle 43. The primary function of the first catch 43 is to secure the first hub 20 against displacement.
Referring to fig. 3, in an embodiment, the endoscope operating portion 100 further includes a second nut 141, the second nut 141 is sleeved on the first rotating shaft 24, and the second nut 141 is used for locking the first gear 80 on the first rotating shaft 24 to form a moving community.
Referring to fig. 3, in one embodiment, the endoscope operating portion 100 further includes a second buckle 143. The primary function of the first catch 143 is to secure the second core 120 against displacement.
Referring to fig. 3, in an embodiment, the endoscope operating portion 100 further includes a third nut 241, the second nut 141 is sleeved on the second rotating shaft 124, and the second nut 141 is used for locking the second gear 180 on the second rotating shaft 124 to form a movement community. It is understood that in other embodiments, the second gear member 180 can be fixed on the second rotating shaft 124 in other manners.
Referring to fig. 3, in one embodiment, the endoscope operating portion 100 further includes a third buckle 243. The primary function of the first catch 143 is to secure the rotor core stator 10 against displacement.
In the present embodiment, the first elastic member 64, the second elastic member, the third elastic member, and the fourth elastic member are all springs. It is understood that in other embodiments, the first elastic member 64, the second elastic member, the third elastic member and the fourth elastic member may be elastic members of other elastic materials. The first elastic member 64 is used for providing a resilient elastic force for the first retaining member 62. The second elastic part is used for providing elastic force for rebounding the second limiting part.
Further, a first toggle piece 76 is fixedly arranged on the periphery of the first control member 70. The user can conveniently adjust and control. The limitation of the forward and reverse rotation and the stop of the first rotating disk 22 can be realized by adjusting the position of the first poking piece 76.
Further, a second toggle piece is fixedly arranged on the periphery of the second adjusting and controlling member 170. The user can conveniently adjust and control. The limitation of the forward and reverse rotation and the stop of the second dial 122 can be realized by adjusting the position of the second dial plate.
The endoscope operation section 100 is in a free state when the first adjustment member 70 is pulled forward. As shown in fig. 6, the first limit terminal 60 is pressed by the first adjustment and control element 70 to lift the first limit terminal 60, and one end of the first limit terminal 60, which is far away from the first elastic element 64, is separated from the interference area of the first external gear 80 after being lifted, so that the clockwise and counterclockwise rotation of the first external gear 80 cannot be affected, that is, the end of the first external gear 80 can normally perform clockwise and counterclockwise movement.
When the first adjusting member 70 is pulled backward, the locking state is achieved. As shown in fig. 7, the first limit terminal 60 is not pressed by the first adjustment and control element 70, so that the lower side of the first limit terminal 60 is not deviated from the contact area of the first external gear 80, and the movement of the first external gear 80 is interfered, so that the first external gear cannot rotate clockwise and counterclockwise.
When the second control 170 is pulled forward, the state of free movement is obtained. The second limit terminal 160 is pressed by the second adjusting and controlling member 170 to lift the second limit terminal 160, and one end of the second limit terminal 160, which is far away from the second elastic member, is separated from the interference area of the second external gear 180 after lifting, so that the clockwise and counterclockwise rotation of the second external gear 180 cannot be affected, that is, the end of the second external gear 180 can normally perform clockwise and counterclockwise movement.
When the second adjusting member 170 is pulled backward, the locking state is achieved. The second limit terminal 160 is not pressed by the second control element 170, so that the lower side of the second limit terminal 160 is not deviated from the contact area of the second external gear 180, and the interference is caused to the movement of the second external gear 180, so that the second limit terminal cannot rotate clockwise and counterclockwise.
The endoscope operation portion 100 is configured to control four directions by combining two sets of internal tooth single ratchet structures, and can realize two functions of free forward/reverse rotation and locking of the first rotary table 22 and the second rotary table 122, and is convenient to use and operable by one hand. The doctor can separate hands to operate on the focus part under the condition of limiting the position, such as cleaning, sucking effusion, taking biopsy and the like. Compared with the traditional endoscope operation part, the fixing mode is more precise in limiting the fixing mode, the fixing mode is stable, and the operation is more convenient.
Further, an endoscope according to an embodiment is provided, which includes a snake bone suction head and the endoscope operation unit 100, and the snake bone suction head is connected to the endoscope operation unit 100.
In the endoscope, the endoscope operation part is combined by adopting two groups of internal tooth single ratchet structures, and two functions of free forward rotation and reverse rotation and locking of the first rotating disc 22 and the second rotating disc 122 can be realized. The first adjusting piece and the second adjusting piece are pulled forwards and backwards, so that the effects of controlling the snake bone suction head to swing back and forth and limiting the swing position can be achieved, the use is convenient, and the operation can be performed by one hand.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An endoscope operation part is characterized by comprising a rotating wheel component, a first single-tooth ratchet wheel component and a first external gear component;
the rotating wheel assembly comprises a rotating wheel core stator, a first rotating wheel core and a rotating wheel outer sleeve, the first rotating wheel core is sleeved on the rotating wheel core stator, the first rotating wheel core comprises a first rotating disc and a first rotating shaft, the first rotating shaft is fixedly connected with one side of the first rotating disc, the rotating wheel outer sleeve is sleeved on the first rotating shaft, and one end, far away from the first rotating disc, of the first rotating shaft penetrates out of the rotating wheel outer sleeve;
the first single-tooth ratchet wheel assembly comprises a first ratchet wheel core, a first elastic sliding assembly, a first limiting terminal and a first adjusting control piece;
the first ratchet wheel core is sleeved on the rotating wheel outer sleeve, a first blind hole and a first through groove are formed in the periphery of the first ratchet wheel core along the radial direction, the first blind hole and the first through groove are arranged at intervals, and the first elastic sliding assembly is arranged in the first blind hole;
the first limiting terminal comprises a first limiting part and a first elastic part, the first limiting part comprises a first limiting main body and a first buckling part fixedly connected with the first limiting main body, the first limiting main body is arranged in the first through groove, the first elastic part is arranged at one end of the first limiting main body, and one end, far away from the first elastic part, of the first limiting main body penetrates out of the first through groove;
the first regulating and controlling member is sleeved on the periphery of the first ratchet core and comprises a first top plate and a first regulating and controlling ring formed by extending the edge of the first top plate along the direction vertical to the plane of the first top plate, a first groove and a second groove are formed in the inner side of the first regulating and controlling ring, one end of the first elastic sliding assembly, far away from the bottom of the first blind hole, can slide between the first groove and the second groove, one end of the first elastic member, far away from the first limiting main body, is in contact with the inner side of the first regulating and controlling ring, a strip-shaped first regulating and controlling hole is formed in the first top plate, the distance from one end of the first regulating and controlling hole to the circle center of the first top plate is smaller than the distance from the other end of the first regulating and controlling hole to the circle center of the first top plate, and the first buckling part is arranged in the first regulating and controlling hole, the first buckling part can slide in the first regulating hole;
the first outer gear piece is sleeved on the first rotating shaft and fixedly connected with the first rotating shaft, and one end, far away from the first elastic piece, of the first limiting main body is used for limiting the first outer gear piece.
2. The endoscope operating section according to claim 1, further comprising a second wheel core, and a second external gear member and a second single-tooth ratchet assembly which are provided in this order in a direction away from the first rotary table;
the second rotating wheel core comprises a second rotating disc and a second rotating shaft, the second rotating shaft is fixedly connected with one side of the second rotating disc, the second rotating wheel core is sleeved on the rotating wheel core stator, the second rotating wheel core is arranged between the rotating wheel core stator and the first rotating wheel core, the second rotating shaft penetrates out of the first rotating shaft, and the rotating wheel core stator penetrates out of the second rotating shaft;
the second external gear piece is sleeved on the second rotating shaft and fixedly connected with the second rotating shaft;
the second single-tooth ratchet wheel assembly comprises a second ratchet wheel core, a second elastic sliding assembly, a second limiting terminal and a second adjusting piece;
the second ratchet wheel core is sleeved on the rotating wheel core stator, a second blind hole and a second through groove are radially formed in the periphery of the second ratchet wheel core, the second blind hole and the second through groove are arranged at intervals, and the second elastic sliding assembly is arranged in the second blind hole;
the second limiting terminal comprises a second limiting part and a second elastic part, the second limiting part comprises a second limiting main body and a second buckling part fixedly connected with the second limiting main body, the second limiting main body is arranged in the second through groove, the second elastic part is arranged at one end of the second limiting main body, one end, far away from the second elastic part, of the second limiting main body penetrates out of the second through groove, and one end, far away from the second elastic part, of the second limiting main body is used for limiting the second external gear part;
the second regulating and controlling member is sleeved on the periphery of the second ratchet core and comprises a second top plate and a second regulating and controlling ring formed by extending the edge of the second top plate along the direction vertical to the plane of the second top plate, the inner side of the second regulating and controlling ring is provided with a third groove and a fourth groove, one end of the second elastic sliding assembly, which is far away from the bottom of the second blind hole, can slide between the third groove and the fourth groove, one end of the second elastic member, which is far away from the second limiting main body, is contacted with the inner side of the second regulating and controlling ring, the second top plate is provided with a strip-shaped second regulating and controlling hole, the distance from one end of the second regulating and controlling hole to the circle center of the second top plate is smaller than the distance from the other end of the second regulating and controlling hole to the circle center of the second top plate, and the second buckling part is arranged in the second regulating and controlling hole, and the second buckling part can slide in the second regulating hole.
3. The endoscope operating portion of claim 1, wherein the first elastic sliding assembly comprises a third elastic member and a first ball, one end of the third elastic member contacts the bottom of the first blind hole, the first ball is disposed at the other end of the third elastic member, the first ball is partially received in the first groove or the second groove, and the first ball is slidable between the first groove and the second groove.
4. The endoscope operating portion of claim 2, wherein the second elastic sliding assembly comprises a fourth elastic member and a second ball body, one end of the fourth elastic member contacts with the bottom of the second blind hole, the second ball body is arranged at the other end of the fourth elastic member, the second ball body is partially accommodated in the third groove or the fourth groove, and the second ball body is slidable between the third groove and the fourth groove.
5. The endoscope operating section according to claim 1, wherein the first external gear member includes a first external gear and a first ring body fixedly connected to one end of the first external gear, and an outer circumference of the first ring body has a wavy circular shape.
6. The endoscope operating section according to claim 2, wherein the second external gear member includes a second external gear and a second ring body fixedly coupled to one end of the second external gear, and an outer circumference of the second ring body has a wavy circular shape.
7. The endoscope operating section according to claim 1, wherein a fixing screw is provided at an end of the rotor core stator.
8. The endoscope operating portion of claim 1, further comprising a first nut disposed over the wheel housing, the first nut for locking the first ratchet core to the wheel housing.
9. The endoscope operating section according to claim 1, further comprising a second nut that is fitted over the first rotating shaft, the second nut being configured to lock the first external gear member to the first rotating shaft.
10. An endoscope characterized by comprising a snake bone suction head and an endoscope operation part as described in any one of claims 1 to 9, the snake bone suction head and the endoscope operation part being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874571.6A CN109008902B (en) | 2018-08-03 | 2018-08-03 | Endoscope operation part and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874571.6A CN109008902B (en) | 2018-08-03 | 2018-08-03 | Endoscope operation part and endoscope |
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| Publication Number | Publication Date |
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| CN109008902A CN109008902A (en) | 2018-12-18 |
| CN109008902B true CN109008902B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810874571.6A Active CN109008902B (en) | 2018-08-03 | 2018-08-03 | Endoscope operation part and endoscope |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109730724A (en) * | 2019-01-08 | 2019-05-10 | 焦北鱼 | Safety-type medical detection system |
| CN112244740B (en) * | 2020-10-21 | 2024-07-16 | 丁思高普医疗系统有限公司 | Be used for endoscope bent angle self-locking device |
| CN114176487A (en) * | 2021-12-07 | 2022-03-15 | 广州瑞派医疗器械有限责任公司 | Endoscope with a detachable handle |
| CN115128793B (en) * | 2022-06-30 | 2023-06-16 | 深圳市古安泰自动化技术有限公司 | Detachable endoscope device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464007A (en) * | 1994-02-23 | 1995-11-07 | Welch Allyn, Inc. | Fluid insensitive braking for an endoscope |
| CN204525309U (en) * | 2015-04-20 | 2015-08-05 | 三峡大学 | A kind of two ratchet and control device |
| CN206138089U (en) * | 2016-06-22 | 2017-05-03 | 深圳市先赞科技有限公司 | Medical endoscope control mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009011434A1 (en) * | 2009-02-20 | 2010-08-26 | Storz Endoskop Produktions Gmbh | Instrument with self-locking adjusting wheel |
-
2018
- 2018-08-03 CN CN201810874571.6A patent/CN109008902B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464007A (en) * | 1994-02-23 | 1995-11-07 | Welch Allyn, Inc. | Fluid insensitive braking for an endoscope |
| CN204525309U (en) * | 2015-04-20 | 2015-08-05 | 三峡大学 | A kind of two ratchet and control device |
| CN206138089U (en) * | 2016-06-22 | 2017-05-03 | 深圳市先赞科技有限公司 | Medical endoscope control mechanism |
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| CN109008902A (en) | 2018-12-18 |
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