CN118044774A

CN118044774A - Electronic imaging catheter

Info

Publication number: CN118044774A
Application number: CN202410284190.8A
Authority: CN
Inventors: 张�成; 鲍贤辉
Original assignee: Haopu Hangzhou Biotechnology Co ltd
Current assignee: Haopu Hangzhou Biotechnology Co ltd
Priority date: 2024-03-13
Filing date: 2024-03-13
Publication date: 2024-05-17

Abstract

The invention discloses an electronic imaging catheter, comprising: an imaging catheter handle, wherein one end part of the imaging catheter handle is provided with a fixed boss and a rotary boss, and the imaging catheter handle is hollow to form a containing cavity; an imaging catheter insertion section having an axially-through lumen; the connecting joint is connected with one end of the imaging catheter insertion part, the interiors of the two ends of the connecting joint are open, a through cavity is formed in a hollow mode, and a fixing groove and a rotating groove are formed in the through cavity; through setting up the steel wire draw-in groove that the multirow is linearly arranged, can fix through selecting suitable steel wire draw-in groove when steel wire length precision deviation is inconsistent, realize that the steel wire of different precision deviations reaches unanimous rate of tension, and realize fixed effect through rotatory recess and rotatory boss joint, with function button integration in imaging catheter handle moreover, it is more convenient to operate.

Description

Electronic imaging catheter

Technical Field

The invention relates to the technical field of endoscope imaging catheters, in particular to an electronic imaging catheter.

Background

An imaging catheter for an endoscope is a common medical instrument and generally comprises an operating handle and an insertion part, wherein the insertion part can enter a human body through a cavity of the human body, and an imaging module of the insertion part can observe internal tissues of the human body. During specific operation, the bending action can be realized by controlling the operation handle to pull the bending section at the front end of the insertion part through the traction steel wire, so that the direction of the front end of the insertion part is changed, and a doctor is helped to judge the lesion position and the tissue structure of the lesion position in the patient. For tissue lesions, it is necessary to sample or administer a drug to the lesion by inserting an external treatment device through an instrument built into the insertion portion, and a colleague needs to aspirate blood or secretions generated by the surgery.

There are some problems with existing imaging catheters:

1. Most of the existing suction connectors are arranged outside the split body, when the suction connector needs to be manually inserted into the suction outlet for suction, the situation that the sealing at the joint of the suction connector and the suction outlet fails easily occurs after long-time use, so that the effusion extracted by the suction valve leaks, the effusion is polluted, and the operation of doctors is troublesome;

2. The operation handle is a handheld part, the operation button of the image processor and the operation handle are designed in a split mode, a doctor is required to operate the operation button of the image processor to realize corresponding functions when looking for a lesion position during operation or taking pictures, videos or freezing and comparing as teaching materials, and other doctors are required to operate in a matched mode, so that the operation is very inconvenient;

3. At present, the insertion part of the imaging catheter is usually connected with an operation handle by adopting a data wire, so that the imaging catheter is inconvenient to carry;

4. The traction steel wire is difficult to achieve consistency in tightness due to precision deviation during installation, and the traction steel wire is excessively tightened or loosened in the use process of the imaging catheter, so that the adjustment precision of a bending section of the insertion part is reduced, an expected bending effect is difficult to achieve, and the imaging catheter is influenced in image vision.

Disclosure of Invention

In order to overcome at least one of the drawbacks of the prior art described above, the present invention provides an electrophotographic catheter. Through setting up the steel wire draw-in groove that the multirow is linearly arranged, can fix through selecting suitable steel wire draw-in groove when steel wire length precision deviation is inconsistent, realize that the steel wire of different precision deviations reaches unanimous rate of tension, and realize fixed effect through rotatory recess and rotatory boss joint, with function button integration in imaging catheter handle moreover, it is more convenient to operate.

The invention adopts the technical proposal for solving the problems that:

An electrophotographic catheter comprising: an imaging catheter handle, wherein one end part of the imaging catheter handle is provided with a fixed boss and a rotary boss, and the imaging catheter handle is hollow to form a containing cavity; an imaging catheter insertion section having an axially-through lumen; the connecting joint is connected with one end of the imaging catheter insertion part, the interiors of the two ends of the connecting joint are open, a through cavity is formed in a hollow mode, and a fixing groove and a rotating groove are formed in the through cavity; the bending rotating shaft is arranged in the accommodating cavity, a plurality of rows of steel wire clamping grooves which are linearly arranged are formed in the bending rotating shaft, steel wires are connected to the steel wire clamping grooves, the other ends of the steel wires are connected with the other end of the imaging catheter insertion part, the bending rotating shaft extends out of the imaging catheter handle and is connected with a push rod, and the push rod controls the bending rotating shaft to rotate so as to drive the steel wires to bend to change the bending angle of the other end of the imaging catheter insertion part; the fixing boss is connected with the fixing groove in an assembling way, and the rotating boss is connected with the rotating groove in an assembling way; the imaging catheter comprises an imaging catheter handle, a circuit board, a functional key and a circuit board, wherein the circuit board is arranged in the accommodating cavity, a key hole is formed in the imaging catheter handle, and the functional key is arranged in the key hole and electrically connected with the circuit board.

Through adopting above-mentioned scheme, through setting up the steel wire draw-in groove that the multirow is linear to be arranged, can fix through selecting suitable steel wire draw-in groove when steel wire length precision deviation is inconsistent, realize that the steel wire of different precision deviations reaches unanimous rate of tension, and realize fixed effect through rotatory recess and rotatory boss joint, integrate the function button in imaging catheter handle moreover, it is more convenient to operate.

Further, an attraction joint is arranged on the imaging catheter handle, the attraction joint is provided with an attraction inlet and an attraction outlet, an attraction cavity is formed between the attraction inlet and the attraction outlet, the attraction joint is provided with an attraction button, and the attraction button is used for controlling the opening and closing of the attraction cavity.

Through adopting above-mentioned scheme, can be with the hydrops of pathological change tissue, secretion and the pathological change tissue aspiration of excision when sucking the button and pressing, after the suction button is released, suction inlet and suction outlet between the suction cavity way close, play good sealed effect.

Further, the attraction button is made of elastic materials.

By adopting the scheme, the elastic material has elasticity, low requirements on the manufacturing process, lower cost and better practicability.

Further, a wire groove is provided at one side of the bending shaft, and a wire guide groove is provided in the accommodation chamber so that the wire is connected with the other end portion of the imaging catheter insertion portion through the wire groove and the wire guide groove.

By adopting the scheme, the steel wire can be guided to be pulled into the imaging catheter insertion part through the steel wire groove and the steel wire guiding groove, and the steel wire can be prevented from being abraded and broken due to friction with other circuits inside the accommodating cavity when being pulled and bent through the steel wire guiding groove.

Further, the outer surface of the connecting joint is provided with an anti-slip handle.

Through adopting above-mentioned scheme, increase frictional force through anti-skidding handle, take place the hand slip condition when preventing that the doctor from twisting, more convenient rotatory atress.

Further, a data connection interface is arranged on the imaging catheter handle.

By adopting the scheme, the data connection is conveniently realized through the data connection interface.

Further, an instrument cavity guide groove is further formed in the accommodating cavity, a cavity interface is formed in the instrument cavity guide groove, and an interface cover which can be covered with the cavity interface is arranged outside the imaging catheter handle after the cavity interface extends to the outside of the imaging catheter handle.

Through adopting above-mentioned scheme, conveniently cover the passageway interface through the interface cover and close, play sealed effect.

Further, a suction catheter is connected between the suction inlet and the cavity channel interface and positioned in the accommodating cavity.

Through adopting above-mentioned scheme, connect through the suction pipe, conveniently with the hydrops of pathological change tissue, secretion and excision pathological change tissue suction.

Further, the length of the rotary boss is a quarter arc, and the length of the rotary groove is a half arc.

Through adopting above-mentioned scheme, can realize the rotation of bigger angle through the difference that increases rotatory recess and rotatory boss, reduced the doctor and through turning round the looking for of arm or health realization's field of vision, it is more light convenient.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2is a schematic diagram of a top-down structure of an embodiment of the present invention;

FIG. 3 is a schematic plan view of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of an embodiment of the present invention;

FIG. 5 is a schematic view of an imaging catheter handle according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of an imaging catheter insertion section according to an embodiment of the present invention;

FIG. 7 is a schematic plan view of an imaging catheter insertion section according to an embodiment of the present invention;

FIG. 8 is a schematic view of a bending hinge structure according to an embodiment of the present invention;

Wherein the reference numerals have the following meanings: 1. an imaging catheter handle; 11. a fixing boss; 12. rotating the boss; 13. a receiving chamber; 131. an instrument lumen guide slot; 132. a lumen channel interface; 133. an interface cover; 14. a function key; 15. a suction joint; 151. a suction outlet; 152. a suction button; 153. a suction catheter; 16. a data connection interface; 2. an imaging catheter insertion section; 21. a cavity channel; 3. a connection joint; 31. a fixing groove; 32. a rotating groove; 33. an anti-slip handle; 4. bending the rotating shaft; 41. a steel wire clamping groove; 42. a steel wire; 43. a push rod; 44. a wire groove; 45. and a steel wire guiding groove.

Detailed Description

For a better understanding and implementation, the technical solutions of the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings, and it is apparent that what is described herein is only a part, but not all, of the examples of the present invention, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.

For the purpose of facilitating an understanding of the embodiments of the present invention, reference will now be made to the drawings, by way of example, of specific embodiments, and the various embodiments should not be construed to limit the embodiments of the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "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, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1,5, 6 and 7, an electrophotographic catheter is disclosed: the imaging catheter comprises an imaging catheter handle 1 and an imaging catheter inserting part 2, wherein a fixing boss 11 and a rotating boss 12 are arranged at one end part of the imaging catheter handle 1, and a containing cavity 13 is formed in the imaging catheter handle 1 in a hollow mode; the imaging catheter insertion part 2 is provided with an axial through cavity 21, one end part of the imaging catheter insertion part 2 is connected with a connecting joint 3, two ends of the connecting joint 3 are open, the inside of the connecting joint is hollow to form a through cavity, a fixing groove 31 and a rotating groove 32 are arranged in the through cavity, the fixing boss 11 is assembled and connected with the fixing groove 31, and the rotating boss 12 is assembled and connected with the rotating groove 32. The fixing effect is realized through the clamping connection of the rotary groove 32 and the rotary boss 12, and the portable electric bicycle is convenient to carry.

Specifically, the through cavity is convenient to be matched with the end part of the imaging catheter handle 1, the connecting joint 3 and the imaging catheter insertion part 2 are connected in an integrated mode, and the integrated connecting mode is stable in structure. Specifically, the length of the rotating boss 12 is one-fourth of an arc, the length of the rotating groove 32 is one-half of an arc, and the rotating boss 12 can be rotated at a larger angle by increasing the difference between the rotating groove 32 and the rotating boss, so that the view field of a doctor through twisting arms or bodies is reduced, and the method is easier and more convenient.

Referring to fig. 1, 2,3, 4 and 8, a bending shaft 4 is disposed in the accommodating cavity 13, a plurality of rows of wire clamping grooves 41 are linearly arranged on the bending shaft 4, a wire 42 is connected to the wire clamping grooves 41, and the other end of the wire 42 is connected to the other end of the imaging catheter insertion portion 2. In actual use, because the length precision deviation of the steel wires 42 is inconsistent, the steel wires 42 with different precision deviations can be fixed through a plurality of rows of the steel wire clamping grooves 41 which are linearly arranged, so that the steel wires 42 with different precision deviations have consistent tension, meanwhile, one side of the bending rotating shaft 4 is provided with a steel wire groove 44, and the accommodating cavity 13 is internally provided with a steel wire guide groove 45, so that the steel wires 42 are connected with the other end part of the imaging catheter insertion part 2 through the steel wire groove 44 and the steel wire guide groove 45. The wire 42 is guided to be pulled into the imaging catheter insertion section 2 by the wire groove 44 and the wire guide groove 45, and the wire 42 is prevented from being worn and broken by friction with other lines inside the accommodating chamber 13 when pulled and bent by the wire guide groove 45.

The bending shaft 4 extends to the outside of the imaging catheter handle 1 and is connected with a push rod 43, and the push rod 43 controls the bending shaft 4 to rotate so as to drive the steel wire 42 to bend, so that the bending angle of the other end part of the imaging catheter insertion part 2 is changed.

Referring to fig. 1,2, 3 and 4, a circuit board is disposed in the accommodating cavity 13, a key hole is formed in the imaging catheter handle 1, a function key 14 is disposed in the key hole, the function key 14 is electrically connected with the circuit board, and a data connection interface 16 is disposed on the imaging catheter handle 1, so that data connection is conveniently achieved through the data connection interface 16. And this design integrates the function keys 14 into the imaging catheter handle 1, which is more convenient to operate. It should be noted that, the number of the function keys 14 is two, and the two function keys 14 are a photographing key and a video recording key, so that the functions of photographing and video recording by the direct key of the imaging catheter handle 1 can be realized, and convenience and rapidness are realized.

The anti-slip handle 33 is arranged on the outer surface of the connecting joint 3, friction force is increased through the anti-slip handle 33, a doctor is prevented from slipping by hand when screwing, and the rotating stress is more convenient. And, the connection joint 3 is tapered.

The imaging catheter insertion part 2 can be driven to rotate together with the imaging catheter insertion part through rotating the anti-slip handle 33, the rotation angle of 90 degrees can be achieved, if the rotation angle needs to be increased, the rotation of a larger angle can be achieved only by increasing the difference between the length of the rotating groove 32 of the connecting joint 3 and the length of the rotating boss 12 of the imaging catheter handle 1, and thus, the search of a visual field of a doctor through twisting arms or bodies is reduced, and the imaging catheter insertion part is easier and more convenient.

Referring to fig. 1,2 and 3, the imaging catheter handle 1 is provided with an aspiration connector 15, the aspiration connector 15 has an aspiration inlet and an aspiration outlet 151, an aspiration channel 21 is formed between the aspiration inlet and the aspiration outlet 151, the aspiration connector 15 is provided with an aspiration button 152, the aspiration button 152 is used for controlling the opening and closing of the aspiration channel 21, and when the aspiration button 152 is pressed, the aspiration channel 21 between the aspiration inlet and the aspiration outlet 151 is closed to perform a good sealing function, so that the effusion, secretion and resected lesion tissue of the lesion tissue can be aspirated when the aspiration button 152 is pressed down.

The device comprises an imaging catheter handle 1, and is characterized in that an instrument cavity guide groove 131 is further formed in the accommodating cavity 13, a cavity interface 132 is formed in the instrument cavity guide groove 131, the cavity interface 132 extends to the outside of the imaging catheter handle 1, an interface cover 133 capable of being covered with the cavity interface 132 is arranged outside the imaging catheter handle, and the cavity interface 132 is conveniently covered through the interface cover 133 to play a sealing role. The suction catheter 153 is connected between the suction inlet and the lumen channel interface 132 and in the accommodating cavity 13, and is connected through the suction catheter 153, so as to conveniently suck out the effusion, secretion and resected lesion tissue of the lesion tissue.

The suction outlet 151 of the suction connector 15 may be connected to a negative pressure suction device to perform suction, specifically, the suction button 152 is made of an elastic material, in this embodiment, the elastic material may be rubber, and the elastic material has elasticity, so that the requirement on the manufacturing process is low, the cost is lower, and the practicability is better. When the suction button 152 is pressed, the suction channel 21 between the suction inlet and the suction outlet 151 is opened, so that the effusion, secretion and resected lesion tissue of the lesion tissue can be sucked out; when the suction button 152 is released, the suction channel 21 between the suction inlet and the suction outlet 151 is closed, and a sealing effect is achieved.

The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. An electrophotographic catheter, comprising:

an imaging catheter handle, wherein one end part of the imaging catheter handle is provided with a fixed boss and a rotary boss, and the imaging catheter handle is hollow to form a containing cavity;

an imaging catheter insertion section having an axially-through lumen;

The connecting joint is connected with one end of the imaging catheter insertion part, the interiors of the two ends of the connecting joint are open, a through cavity is formed in a hollow mode, and a fixing groove and a rotating groove are formed in the through cavity;

The bending rotating shaft is arranged in the accommodating cavity, a plurality of rows of steel wire clamping grooves which are linearly arranged are formed in the bending rotating shaft, steel wires are connected to the steel wire clamping grooves, the other ends of the steel wires are connected with the other end of the imaging catheter insertion part, the bending rotating shaft extends out of the imaging catheter handle and is connected with a push rod, and the push rod controls the bending rotating shaft to rotate so as to drive the steel wires to bend to change the bending angle of the other end of the imaging catheter insertion part;

the fixing boss is connected with the fixing groove in an assembling way, and the rotating boss is connected with the rotating groove in an assembling way;

The imaging catheter comprises an imaging catheter handle, a circuit board, a functional key and a circuit board, wherein the circuit board is arranged in the accommodating cavity, a key hole is formed in the imaging catheter handle, and the functional key is arranged in the key hole and electrically connected with the circuit board.

2. An electronic imaging catheter according to claim 1, wherein an aspiration connector is provided on the imaging catheter handle, the aspiration connector has an aspiration inlet and an aspiration outlet, and an aspiration channel is formed between the aspiration inlet and the aspiration outlet, the aspiration connector is provided with an aspiration button for controlling the opening and closing of the aspiration channel.

3. An electrophotographic catheter according to claim 2, wherein the attracting button is made of an elastic material.

4. An electronic imaging catheter according to claim 1, wherein a wire groove is provided on one side of the bending shaft, and a wire guide groove is provided in the accommodating chamber so that the wire is connected to the other end portion of the imaging catheter insertion section via the wire groove and the wire guide groove.

5. An electrophotographic catheter according to claim 1, wherein the outer surface of the connector is provided with a slip resistant handle.

6. An electronic imaging catheter according to claim 1, wherein a data connection interface is provided on the imaging catheter handle.

7. An electronic imaging catheter according to claim 1, wherein the housing cavity is further provided with an instrument channel guiding groove, a channel interface is provided in the instrument channel guiding groove, and an interface cover capable of being covered with the channel interface is provided outside the handle of the imaging catheter by extending the channel interface.

8. An electrophotographic catheter according to claim 7, wherein an aspiration catheter is connected between the aspiration inlet and the lumen interface and within the receiving cavity.

9. The electrophotographic catheter of claim 1, wherein the length of the rotating boss is one-quarter arc and the length of the rotating groove is one-half arc.