CN210990184U

CN210990184U - Video auxiliary endoscope kit and system for treating anal fistula

Info

Publication number: CN210990184U
Application number: CN201921188448.5U
Authority: CN
Inventors: 吴炯; 王振宜; 金磊; 杨豪杰; 秦凯健; 崔灿; 吴人杰; 许愿; 许曼
Original assignee: Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Shanghai University of TCM
Current assignee: Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Shanghai University of TCM
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-07-14
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to a video auxiliary endoscope kit for treating anal fistula, which is provided with an endoscope and an outer sheath; the endoscope is provided with an endoscope body, a first assembling joint, a light source joint and an image equipment joint; the sheath is provided with an endoscope sleeve, a slideway, a push-pull ring, a tee joint, a second assembling joint and an optical fiber operation channel; a knife groove is arranged in the side wall of the endoscope sleeve, the far end of the knife groove extends to the end face of the far end of the endoscope sleeve, the near end extends to be communicated with the slideway, a blade and a push-pull rod are arranged in the knife groove, the near end of the push-pull rod extends out of the knife groove and is connected with a push-pull ring, and the push-pull ring moves along the slideway so as to enable the blade to extend out of or be hidden in the; the endoscope sleeve is sleeved outside the endoscope body, and the first assembling joint and the second assembling joint are fastened. The utility model discloses be applied to the anal fistula operation, explore the fistula and go on and can one step accomplish under direct vision with the treatment, need not to change the apparatus in the art, the narrow or adhesion fistulous way of processing that can be convenient, the operation is efficient, and is effectual.

Description

Video auxiliary endoscope kit and system for treating anal fistula

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a video auxiliary endoscope external member of treatment anal fistula.

Background

Anal fistula is mainly composed of primary internal orifice, pathological fistula tract and secondary external orifice, and has the symptoms of perianal infection, suppuration, reduction of pus cavity and fibrosis of inner wall after abscess incision drainage or self-destruction. Accurate detection of fistula tracts and treatment of primary internal orifices are the key to healing anal fistulas. In clinical treatment, due to the complexity of anal fistula diseases, the clinical treatment is difficult for the simultaneous existence of a plurality of fistulas, fistulas with deeper fistula positions or arc-shaped fistulas and high-level complex anal fistulas with fistula tracts extending deep in the anal sphincter. Modern medicine takes the principle of anal fistula treatment through operation, the operative type of anal fistula treatment is endless, traditional operations are mainly achieved through thread hanging, in recent years, people continuously propose a minimally invasive concept, and a minimally invasive operation method is introduced.

Patent document CN109223105A, publication No. 2019.01.18, discloses a medical multifunctional suture hanging device, patent document CN108888304A, publication No. 2018.11.27, discloses an anal fistula suture hanging device, patent document CN108852430A, publication No. 2018.11.23, discloses a suture tightener for anal fistula suture hanging operation. All the instruments used for the anal fistula seton surgical treatment are disclosed above. Patent document CN108992102A, publication No. 2018.12.14, discloses a medical anal fistula probe, patent document CN208709893U, publication No. 2019.04.09, discloses an improved anal fistula probe, patent document CN108201436A, publication No. 2018.06.26, discloses a disposable multifunctional soft anal fistula probe, which is the most basic and most common examination instrument, can probe the fistula trend of anal fistula, guide surgery, make correct treatment, and is applied to various surgical modes of anal fistula.

However, at present, a video auxiliary endoscope kit suitable for anal fistula treatment is not available, and particularly, the video auxiliary endoscope kit has dual functions of visually exploring the fistula and laser treatment, instruments do not need to be replaced in the operation, the operation is convenient, the time is saved, and the treatment effect is good.

Disclosure of Invention

The utility model aims at providing a video auxiliary endoscope external member for treating anal fistula aiming at the defects in the prior art.

It is still another object of the present invention to provide a video-assisted endoscope system for anal fistula treatment.

In order to realize the first purpose, the utility model adopts the technical scheme that:

a video auxiliary endoscope kit for treating anal fistula is provided with an endoscope and an outer sheath; the endoscope is sequentially provided with an endoscope body, a first assembling joint, a light source joint and an image equipment joint from the far end to the near end; the outer sheath is sequentially provided with an endoscope sleeve, a slideway, a push-pull ring, a tee joint and a second assembling joint from the far end to the near end, and the outer wall of the endoscope sleeve is provided with an optical fiber operation channel; the endoscope sleeve is characterized in that a cutter groove is formed in the side wall of the endoscope sleeve, the far end of the cutter groove extends to the end face of the far end of the endoscope sleeve, the near end of the cutter groove extends to be communicated with a slide way, a blade and a push-pull rod are sequentially arranged in the cutter groove from the far end to the near end, the near end of the push-pull rod extends out of the cutter groove and is connected with a push-pull ring, and the push-pull ring moves along the slide way under the push-pull action so that the blade extends out of the endoscope sleeve or is hidden in; in an assembly state, the endoscope sleeve is sleeved outside the endoscope body, and the first assembly joint and the second assembly joint are fastened.

As a preferred embodiment of the present invention, the outer sheath has an optical fiber insertion fixing ring on its outer wall.

As another preferred example of the present invention, the distal end surface of the endoscope sheath is blunt, that is, the edge trajectory of the tube wall is arc-shaped.

As another preferred example of the present invention, the near end and the far end of the surface of the slide way are respectively provided with a fixing groove, the push-pull ring is internally provided with a cavity, a spring is assembled in the cavity, and the lower end of the spring is provided with a marble; and pushing and pulling the pull ring, and enabling the marble to fall into a fixing groove at the near end or the far end to brake.

As another preferred example of the present invention, a stop ring is provided between the endoscope sheath and the slide.

As another preferred example of the present invention, the tee joint is provided with a water inlet joint and a water outlet joint.

As another preferable example of the present invention, the first fitting joint and the second fitting joint are screwed.

As another preferred example of the present invention, the number of the knife grooves is any integer from 2 to 8, and each knife groove is provided with a corresponding blade and a corresponding push-pull rod.

In another preferred embodiment of the present invention, the outer sheath has a plurality of sizes, and the endoscope sleeves or the optical fiber operation channels of the outer sheaths having different sizes have different diameters.

In order to achieve the second objective, the utility model adopts the following technical scheme:

the utility model provides a video auxiliary endoscope system of treatment anal fistula, its characterized in that contains as above arbitrary the video auxiliary endoscope external member of treatment anal fistula still contains laser treatment instrument, image equipment and light source equipment, laser treatment instrument is equipped with optic fibre, image equipment with the image equipment of the video auxiliary endoscope external member of treatment anal fistula connects continuously, light source equipment with the light source of the video auxiliary endoscope external member of treatment anal fistula connects continuously.

The utility model has the advantages that:

1. based on abundant research experiences, the inventor invents a new operation mode of examining deep fistulas and cavities under the guidance of a video-assisted anal fistula endoscope and treating fistula walls and deep focuses by using laser equipment, and invents a video-assisted endoscope kit for treating anal fistulas based on the new operation mode. The method and the device of the utility model are used for anal fistula operation, the fistula exploration and treatment can be completed under direct vision, the instrument does not need to be changed in the operation, the operation is convenient, the time is saved, and the treatment effect is good.

2. The telescopic blade is arranged in the side wall of the outer sheath of the video auxiliary endoscope kit for treating anal fistula, the blade can be exposed by simply pushing under the condition that the fistula is narrow or adhered, the narrow or adhered tissues in the fistula are cut, and the complete fistula and the inner opening are further helped to be rapidly explored.

3. The utility model discloses a supplementary endoscope external member of video of treatment anal fistula is equipped with blunt nature head, is favorable to the safe fistula of exploring in the art, prevents to form false fistula way.

4. The optical fiber fixing hole is formed in the near end of the endoscope sleeve, so that the stability of the optical fiber is improved, the precise operation is facilitated, and a better operation effect is obtained.

5. The position of the blade can be braked, the operation is very simple and convenient, and a limit ring is arranged between the endoscope sleeve and the slide way, so that the blade can be limited, and the safety is ensured.

6. The utility model discloses a video auxiliary endoscope external member of treatment anal fistula is equipped with the endoscope sleeve pipe of a plurality of specifications, can choose the endoscope sleeve pipe of suitable specification for use according to the actual conditions of operation, makes the utility model discloses a video auxiliary endoscope external member of treatment anal fistula's application scope is wider, helps gaining better treatment.

7. The utility model discloses a video auxiliary endoscope external member of treatment anal fistula has the water injection and absorbs water the function, makes the operation field of vision clearer, effectively avoids handling thoroughly in the art, causes to remain, arouses the postoperative relapse.

Drawings

Fig. 1 is a schematic structural diagram of the video-assisted endoscope kit for treating anal fistula according to the present invention in a disassembled state.

Fig. 2 is a schematic structural diagram of the video-assisted endoscope kit assembly state for treating anal fistula according to the present invention.

FIG. 3 is a schematic view of the distal end of the outer sheath.

FIG. 4 is a schematic cross-sectional view A-A of the sheath of FIG. 1.

Fig. 5 is a schematic structural view of the video-assisted endoscope system for treating anal fistula of the utility model.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

The reference numerals and components referred to in the drawings are as follows:

1. endoscope 2. sheath

11. Mirror body 12, first assembly joint

13. Light source connector 14, image equipment connector

21. Endoscope sleeve 22, stop collar

23. Slideway 24 sliding ring

25. Tee 26. second assembly joint

27. Optical fiber operating channel 28, optical fiber insertion fixing ring

251. Water inlet joint 252. water outlet joint

31. Knife groove 32. blade

33. Push-pull rod 231, fixed slot

291. Spring 292 marble

Example 1

Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a detached state of the video-assisted endoscope kit for treating anal fistula according to the present invention. The video auxiliary endoscope kit for treating anal fistula is provided with an endoscope 1 and an outer sheath 2. The endoscope 1 is provided with an endoscope body 11, a first assembling joint 12, a light source joint 13 and an image equipment joint 14 in sequence from the far end to the near end. The lens body 11 is in a long cylindrical shape, and the first assembling joint 12 is provided with external threads. The outer sheath 2 is provided with an endoscope sleeve 21, a limiting ring 22, a slideway 23, a push-pull ring 24, a tee joint 25 and a second assembling joint 26 in sequence from the far end to the near end. The endoscope sleeve 21 is a long tubular body with a hollow interior, the outer wall of the endoscope sleeve 21 is provided with an optical fiber operation channel 27, the optical fiber operation channel 27 is a long and thin tubular body, the length direction of the optical fiber operation channel 27 is consistent with the length direction of the endoscope sleeve 21, the length of the optical fiber operation channel 27 is smaller than that of the endoscope sleeve 21, and the distance from the far end face of the optical fiber operation channel 27 to the far end face of the endoscope sleeve 21 is 0.3mm-1.8 mm. The side wall of the outer sheath 2 is also provided with a fiber insertion fixing ring 28, and the fiber insertion fixing ring 28 is located between the pulling ring 24 and the second fitting 26. The outer diameter of the slide way 23 is smaller than that of the endoscope sleeve 21, the limiting ring 22 is fastened on the endoscope sleeve 21, the outer diameter of the limiting ring is larger than that of the slide way 23, and the push-pull ring 24 can move along the slide way 23. The tee 25 is provided with a water inlet fitting 251 and a water outlet fitting 252. The internal cavity at the proximal end of the second fitting 26 is provided with internal threads that mate with the first fitting 12.

Referring to fig. 2, fig. 2 is a schematic structural diagram of the assembled state of the video-assisted endoscope kit for treating anal fistula according to the present invention. In the assembled state, the endoscope sleeve 21 of the outer sheath 2 is sleeved outside the endoscope body 11 (not shown) of the endoscope 1 (not shown), and the first assembling joint 12 (not shown) is matched and fastened with the second assembling joint 26.

Referring to FIG. 3, FIG. 3 is a schematic view of the distal end of the outer sheath. The distal end face of the endoscope cannula 21 is blunt, i.e. the edge trajectory of the wall is curved. The end face of the distal end of the endoscope sleeve 21 can see four knife grooves 31, the four knife grooves 31 are arranged around the tube wall of the endoscope sleeve 21, blades 32 are arranged in the knife grooves 31, the cross sections of the blades 32 are arc-shaped, and the distal end of the blades is a cutting edge.

Referring to FIG. 4, FIG. 4 is a cross-sectional view taken along line A-A of the sheath of FIG. 1. The knife slot 31 is an elongated cavity, and the proximal end of the knife slot extends to the proximal end of the limiting ring 22 and is communicated with the slideway 23 on the surface of the endoscope sleeve 21. The proximal end of the blade 32 is connected to a push-pull rod 33, and the proximal end of the push-pull rod 33 extends out of the knife slot 31 and is connected to the distal end face of the push-pull ring 24. The near end and the far end of the surface of the slideway 23 are respectively provided with a fixing groove 231, a cavity is arranged in the push-pull ring 24, a spring 291 is assembled in the cavity, and the lower end of the spring 291 is provided with a marble 292; when the push-pull ring 24 is pulled to the proximal end, the balls 292 fall into the proximal fixing grooves 231 to brake, and when the push-pull ring 24 is pushed to the distal end, the balls 292 fall into the distal fixing grooves 231 to brake.

The utility model discloses the application method of the video auxiliary endoscope external member of treatment anal fistula in the anal fistula operation does: the sheath 2 and the endoscope 1 are assembled, the light source connector 13 is connected with an endoscope light source, the image equipment connector 14 is connected with image equipment, and the water inlet and the water outlet of the tee 25 are respectively connected with a water inlet pipe and a water outlet pipe. The distal end of the whole device enters the fistula from the outer opening, the device is slowly rotated and pushed to explore the fistula, the branch shape of the fistula and the position of the inner opening, if narrow adhesion exists in the fistula during exploration, the pushing pull ring 24 is pushed to the distal direction under the condition that the fistula cannot be continuously explored inwards even if the pushing force is increased, the blade 32 extends out of the cutter groove 31, then the outer sheath 2 is rotated, the blade 32 performs annular cutting on the adhesion part of the fistula, the rotating force is adjusted to open the narrow adhesion part of the fistula, and at the moment, water injection and water absorption can be matched to enable the operation visual field to be clearer. After the fistula is clearly explored, the head end of the optical fiber which is radially emitted is inserted into the optical fiber insertion fixing ring 28, then extends into the optical fiber operation channel 27 until the optical fiber operation channel 27 extends out of the far end of the optical fiber operation channel and extends to the far end of the endoscope, then the inner opening is closed through laser in a 360-degree space range, the whole device is pulled towards the outer opening at a constant speed to close the fistula, and meanwhile, the matched water injection and water absorption are carried out, so that the operation visual field is clearer.

The utility model discloses its specification of video auxiliary endoscope external member of treatment anal fistula is: the length of the lens body 11 is 170mm, and the outer diameter is 2.7 mm. The outer sheath 2 can be designed to a variety of gauges, for example the following three gauges:

① endoscope cannula 21 is about 150mm long, outer diameter 4.0mm, inner diameter 2.8mm, optical fiber operation channel 27 is 120mm long, outer diameter 1.9mm, inner diameter 1.8mm, optical fiber insertion fixing ring 28 inner diameter 2.0 mm;

② endoscope cannula 21 length 150mm, external diameter 4.0mm, internal diameter 2.8mm, optical fiber operation channel 27 length 120mm, external diameter 1.3mm, internal diameter 1.2mm, optical fiber insertion fixing ring 28 internal diameter 2.0 mm;

③ endoscope cannula 21 has a length of 150mm, an outer diameter of 4.0mm, an inner diameter of 2.8mm, a fiber operation channel 27 length of 120mm, an outer diameter of 0.6mm, an inner diameter of 0.5mm, and a fiber insertion fixing ring 28 inner diameter of 2.0 mm.

In this context, the term "distal" refers to the end of the instrument or component that is farther from the operator in use, and correspondingly, the term "proximal" refers to the end of the instrument or component that is closer to the operator in use. Based on abundant research experience, the inventor invents a new surgical method for examining deep fistulas and cavities under the guidance of a video-assisted anal fistula endoscope, and treating fistula walls and deep focuses by using laser equipment, and provides the video-assisted endoscope kit for treating anal fistulas based on the novel surgical method. By utilizing the method and the device of the utility model to perform the anal fistula operation, the fistula exploration and treatment can be completed in one step, the instrument does not need to be replaced in the operation, the operation is convenient, and the time is saved. The utility model discloses a supplementary endoscope external member of video of treatment anal fistula is equipped with telescopic blade 32, and when need not to use blade 32, it is hidden in sword groove 31, when meetting the fistula narrowly or adhesion, the adhesion tissue in blade 32 cutting fistula can be stretched out in the promotion operation of the simple push-and-pull ring 24 of accessible, and complete fistula and internal orifice are explored in further help, improve operation efficiency, and it is very convenient to use. The number of the knife grooves and the blades is preferably 2-8, more preferably 4-6, on one hand, enough blades can effectively cut the adhesion part of the fistula, and on the other hand, the number is not too large, so that the whole instrument is too complicated. The fixing groove 231, the spring 291 and the marble 292 are designed to brake the extension and retraction of the blade 32, so that the stability of the operation is improved, and the design is very convenient to use. The stop collar 22 further improves safety and prevents the blade 32 from extending too far. The end face of the far end of the outer sheath 2 is blunt, namely the edge track of the tube wall is arc-shaped, which is beneficial to opening the narrow part of the fistula in the operation, is convenient and rapid to explore, does not damage the tissue, and avoids causing false tracts. The optical fiber is inserted into the fixing ring 28 and matched with the optical fiber operation channel 27, so that the stability of the optical fiber is improved, accurate operation is performed, and the operation effect is improved. The utility model discloses a video auxiliary endoscope external member of treatment anal fistula has water injection and absorbent function, enables the operation field of vision clearer, avoids handling thoroughly in the art, causes to remain, arouses the postoperative relapse. The outer sheath 2 can be designed into various specifications, and the endoscope sleeve 21, the optical fiber operation channel 27 and the optical fiber insertion fixing ring 28 of the outer sheath 2 with different specifications can have different diameters, so that the outer sheath can be selected according to the actual condition of the operation, the application range is wider, and better treatment effect can be achieved. The first fitting joint 12 and the second fitting joint 26 are preferably threaded connections of the present embodiment, which are the most secure and reliable, but not limited thereto, and may be other detachable fastening means.

Because the utility model discloses the supplementary endoscope external member of video of treatment anal fistula has the video function of looking directly, and the closed function of laser optic fibre, and has cutting function, need not to change the apparatus in the operation process, and the fistula is probed and is gone on under looking directly to can one step be accomplished, the operation is efficient, and is effectual, consequently specially adapted complexity anal fistula's treatment clinically, in order to reduce the operation time, promote the operation effect, reduce the operation degree of difficulty.

Example 2

Referring to fig. 5, fig. 5 is a schematic structural view of the video-assisted endoscope system for treating anal fistula according to the present invention. The video-assisted endoscope system comprises the video-assisted endoscope kit 100 for treating anal fistula according to embodiment 1, and further comprises a laser therapeutic apparatus 200, an imaging device 300 and a light source device 400. The laser therapeutic apparatus 200 is provided with an optical fiber, the imaging device 300 is connected with the imaging device connector 14 of the video auxiliary endoscope kit 100 for treating anal fistula, and the light source device 400 is connected with the light source connector 13 of the video auxiliary endoscope kit 100 for treating anal fistula.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the method of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims

1. A video auxiliary endoscope kit for treating anal fistula is characterized by being provided with an endoscope and an outer sheath; the endoscope is sequentially provided with an endoscope body, a first assembling joint, a light source joint and an image equipment joint from the far end to the near end; the outer sheath is sequentially provided with an endoscope sleeve, a slideway, a push-pull ring, a tee joint and a second assembling joint from the far end to the near end, and the outer wall of the endoscope sleeve is provided with an optical fiber operation channel; the endoscope sleeve is characterized in that a cutter groove is formed in the side wall of the endoscope sleeve, the far end of the cutter groove extends to the end face of the far end of the endoscope sleeve, the near end of the cutter groove extends to be communicated with a slide way, a blade and a push-pull rod are sequentially arranged in the cutter groove from the far end to the near end, the near end of the push-pull rod extends out of the cutter groove and is connected with a push-pull ring, and the push-pull ring moves along the slide way under the push-pull action so that the blade extends out of the endoscope sleeve or is hidden in; in an assembly state, the endoscope sleeve is sleeved outside the endoscope body, and the first assembly joint and the second assembly joint are fastened.

2. The video assisted endoscope kit for treating anal fistula according to claim 1, wherein the outer sheath is provided with an optical fiber insertion fixing ring on the outer wall thereof.

3. Video-assisted endoscopic kit for anal fistula treatment according to claim 1, wherein the distal end face of the endoscopic sleeve is blunt, i.e. the edge trajectory of the wall of the tube is curved.

4. The video-assisted endoscope kit for treating anal fistula according to claim 1, wherein the proximal end and the distal end of the surface of the slideway are respectively provided with a fixing groove, the push-pull ring is internally provided with a cavity, a spring is assembled in the cavity, and the lower end of the spring is provided with a marble; and pushing and pulling the pull ring, and enabling the marble to fall into a fixing groove at the near end or the far end to brake.

5. The video assisted endoscopy kit of claim 1, wherein a stop collar is disposed between the endoscope sleeve and the slideway.

6. The video assisted endoscope kit for treating anal fistula according to claim 1, wherein the tee is provided with a water inlet connection and a water outlet connection.

7. The video assisted endoscope kit for treating anal fistula of claim 1, wherein the first fitting joint and the second fitting joint are threaded connections.

8. The video-assisted endoscope kit for treating anal fistula according to claim 1, wherein the number of the cutter grooves is any integer from 2 to 8, and each cutter groove is internally provided with a corresponding blade and a corresponding push-pull rod.

9. The video assisted endoscope kit for treating anal fistula of claim 1, wherein the outer sheath is provided with a plurality of sizes, and endoscope sleeves or fiber manipulation channels of outer sheaths of different sizes have different diameters.

10. A video-assisted endoscope system for treating anal fistula, comprising the video-assisted endoscope kit for treating anal fistula according to any one of claims 1 to 9, and further comprising a laser treatment apparatus, an imaging device and a light source device, wherein the laser treatment apparatus is provided with an optical fiber, the imaging device is connected with the imaging device connector of the video-assisted endoscope kit for treating anal fistula, and the light source device is connected with the light source connector of the video-assisted endoscope kit for treating anal fistula.