CN218356179U - Auxiliary retractor for excision of lesion for endoscope - Google Patents

Abstract

The utility model discloses a lesion excision auxiliary stretching device for an endoscope, which comprises a transparent cap, a plurality of fixing devices and a plurality of stretching devices, wherein the transparent cap is connected with the head end of the endoscope in an adaptive manner, and a perforation communicated with an operation pore channel inside the endoscope is arranged in the transparent cap; the clamping groove is formed in the outer wall of the transparent cap close to the head end of the endoscope, and a first absorption magnet is embedded at the bottom of the clamping groove; the auxiliary stretching components are a plurality of groups arranged on the transparent cap, each group of auxiliary stretching components comprises a second absorption and fixation magnet, and the second absorption and fixation magnets are clamped in the clamping grooves and are in adaptive attraction with the first absorption and fixation magnets; one end of the traction rope is connected to the outer wall of the second permanent magnet; and the titanium clamp is fixedly connected with the other end of the traction rope opposite to the second attraction and fixation magnet. The utility model discloses the advantage is realizing easily accomplishing the operation of stretching of treating the lesion position of excision with the help of the outside tractive of endoscope, and the simple operation can reach good effect of stretching, can also ensure simultaneously that the inboard perforation department of transparent cap can not receive haulage rope and titanium clamp and shelter from the field of vision when cutting the lesion position.

Description

Auxiliary retractor for excision of lesion for endoscope

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a supplementary device that leads of lesion excision for endoscope is related to.

Background

An endoscopic submucosal dissection (namely ESD (electro static discharge) endoscopy) is a commonly used digestive tract lesion treatment operation in clinic, and the endoscopic submucosal dissection is carried out through a digestive endoscope or through the nose into an upper digestive tract, then is directly observed through a camera device at the head end of the digestive endoscope so as to find a lesion part, and then surgical instruments (such as a high-frequency electric knife and the like matched with the digestive endoscope) are inserted into an operation pore passage at the inner side of the digestive endoscope so as to completely cut off the lesion part at one time, so that the lesion is cut off in an abdominal operation mode, the operation risk is reduced, and the hospitalization time is shortened.

When the ESD endoscope operation is carried out, in order to achieve a minimally invasive effect, the used operation instrument needs to be matched with the endoscope and can be used by being inserted into an operation pore channel on the endoscope, so that the operation instrument and the operation space are both very limited; in addition, when the lesion is resected, a sufficient traction force is often required to be provided for the lesion part, and at this time, in order to better expose the operation visual field and more conveniently resect the lesion, currently, the clinical practice is to perform auxiliary traction by self-made articles, such as: fixing a traction line to one side of the lesion by using a titanium clamp, and then performing in-vitro traction by operating a pore channel, or changing the body position of a patient during operation so as to perform traction by depending on the gravity of the tumor; the auxiliary stretching mode for the lesion part has poor effect, is inconvenient to use and cannot fully expose the operation visual field.

In addition, when ESD operation in the alimentary canal is carried out at present, the transparent cap is a commonly used matched instrument of an alimentary canal endoscope, the transparent cap is connected with the head end of the endoscope, plays a good supporting role in the submucosal dissection process, and can separate a mucosa layer from a deep muscular layer; although the existing transparent cap can easily open a mucous membrane layer in the alimentary canal, when the affected part is subjected to auxiliary stretching, an auxiliary traction apparatus needs to be penetrated into an operation hole channel on the inner side of an alimentary canal endoscope, although the transparent cap made of transparent materials cannot influence the visual field of the endoscope, the auxiliary traction apparatus (such as a traction rope connected with a titanium clamp) penetrating into the operation hole channel still penetrates through an inner side hole of the transparent cap, the operation visual field of an operation operator can be influenced, and inconvenience is brought to the operation.

Disclosure of Invention

The utility model aims to provide an endoscope is with supplementary tractive stretching device of lesion excision.

In order to achieve the above purpose, the utility model can adopt the following technical proposal:

endoscope with supplementary tractive device of lesion excision, include:

the transparent cap is matched and connected with the head end of the endoscope, and a through hole communicated with the inner side operation pore channel of the endoscope is formed in the transparent cap;

the clamping groove is formed in the outer wall of the transparent cap close to the head end of the endoscope, and a first absorption magnet is embedded at the bottom of the clamping groove;

supplementary subassembly that leads, for install in multiunit on the transparent cap for the tractive lesion position makes its tensioning, wherein, every group supplementary subassembly that leads all includes:

the second attraction and fixation magnet is clamped in the clamping groove and is attracted with the first attraction and fixation magnet in a matching way;

one end of the traction rope is connected to the outer wall of the second permanent magnet; and

and the titanium clamp is fixedly connected with the other end of the traction rope opposite to the second attraction and fixation magnet.

The utility model discloses the advantage lies in offering the draw-in groove through matching on the transparent cap of endoscope head end to and can stabilize the joint actuation and draw a subassembly in the supplementary of draw-in groove, thereby realize easily accomplishing the operation of drawing a piece of the lesion position of treating the excision with the help of the outside tractive of endoscope, the simple operation can reach good effect of drawing a piece, can also ensure simultaneously that the inboard perforation department of transparent cap can not receive haulage rope and titanium press from both sides and shelter from the field of vision when cutting the lesion position.

Furthermore, an elastic sleeve used for being clamped and sleeved on the outer wall of the endoscope is arranged on the outer wall of the connecting end of the transparent cap, so that the transparent cap can be further sleeved and clamped at the head end of the endoscope by utilizing the elastic sleeve, and the connection between the transparent cap and the endoscope is enhanced.

Furthermore, a row of groove parts are uniformly arranged on the attraction surface of the first attraction magnet at intervals, and the attraction surface of the second attraction magnet is provided with groove parts and protruding parts which are matched with each other and are arranged on the attraction surfaces of the first attraction magnet and the second attraction magnet, so that the second attraction magnet is attracted in the clamping groove more stably.

Furthermore, the volume that solid magnet was inhaled to the second is less than the volumetric half of draw-in groove cavity just enables the second like this and inhales solid magnet and inhale side by side when in the draw-in groove, and adjacent two second inhales and has certain clearance between the solid magnet to the phenomenon of mutual repulsion appears in the laminating too closely between the solid magnet is inhaled to the second of the same sex.

Furthermore, the side wall, adjacent to the two adjacent second attraction and fixation magnets, of each second attraction and fixation magnet is fixedly provided with a demagnetization pad, and the demagnetization pads can be rubber pads or silica gel pads, so that repulsive force between the second attraction and fixation magnets attracted in the clamping groove side by side can be eliminated more reliably.

Drawings

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

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

As shown in figure 1, the auxiliary retractor for excision of lesion for endoscope of the utility model comprises a transparent cap 1, a slot 2 and an auxiliary retractor assembly 3.

Specifically, transparent cap 1 adaptation is connected in the endoscope head end, can adopt the form of directly cup jointing to connect on the endoscope head end, and certainly still can set up on the link outer wall of transparent cap 1 and be used for pressing from both sides the elastic sleeve 4 on the cover endoscope outer wall to can utilize the further collet of elastic sleeve 4 to press from both sides on the endoscope head end, strengthen being connected of transparent cap 1 and endoscope. In addition, the transparent cap 1 is also provided with a perforation 5 communicated with an operation pore canal at the inner side of the endoscope, the aperture of the perforation 5 is larger than the diameter of the operation pore canal and smaller than the diameter of the endoscope, and the side wall of the transparent cap 1 is ensured not to cover the lens and the lamp holder at the head end of the endoscope, thereby ensuring that the operation pore canal at the inner side of the endoscope is smooth when penetrating into the alimentary canal of a patient along with the endoscope, and ensuring that the vision of the head end of the endoscope is not influenced at the perforation 5.

The clamping groove 2 is arranged on the outer wall of the transparent cap 1 close to the head end of the endoscope (namely, arranged on the outer wall of the transparent cap 1 close to the joint of the transparent cap 1 and the endoscope), and the first absorption magnet 6 is embedded at the bottom of the clamping groove 2.

The auxiliary stretching components 3 are a plurality of groups, are arranged on the transparent cap 1 and are used for stretching the lesion part to be tensioned. Specifically, each group of auxiliary stretching components 3 comprises a second attraction and fixation magnet 3.1, a traction rope 3.2 and a titanium clamp 3.3; the second attraction and fixation magnet 3.1 is clamped in the clamping groove 2 and is matched and attracted with the first attraction and fixation magnet 6; one end of a traction rope 3.2 is connected to the outer wall of the second attraction fixing magnet 3.1; the titanium clip 3.3 (which is a conventional product and can adopt a titanium clip of HX-610-090 model manufactured by Olympus) is fixedly connected with the other end of the traction rope 3.2 opposite to the second attraction magnet 3.1.

Furthermore, still can evenly the interval arrange one row of concave part on the actuation face of first solid magnet 6 of inhaling, simultaneously, set up the laminating that can correspond and adsorb the bellying on the concave part on the actuation face of second solid magnet 3.1 of inhaling, just so can inhale the actuation of solid magnet 3.1 through first solid magnet 6 of inhaling and second, the further joint of cooperation bellying and concave part to make the second inhale the more stable actuation of solid magnet 3.1 in draw-in groove 2.

In addition, the volume of the second attracting magnet 3.1 should also be at least less than half of the volume of the slot cavity, i.e.: the left second permanent magnets 3.1 shown in fig. 1 can be clamped in the left half part of the groove cavity of the clamping groove 2, and the right second permanent magnets 3.1 can be clamped in the right half part of the groove cavity of the clamping groove 2, so that the two second permanent magnets 3.1 can be attracted in the clamping groove 2 side by side, and when the two second permanent magnets 3.1 are attracted in the clamping groove 2 side by side, a certain gap can be kept between the two second permanent magnets 3.1, and the phenomenon that the two like second permanent magnets 3.1 are mutually repelled due to close adhesion can be avoided. Of course, three groups of auxiliary tension components 3 can be arranged, and the volume of the three second attraction fixing magnets 3.1 is guaranteed to be smaller than one third of the volume of the groove cavity of the clamping groove 2, so that the three second attraction fixing magnets 3.1 can be attracted in the clamping groove 2 in parallel at intervals.

In order to further eliminate the mutual repulsive force of the adjacent second attracting fixed magnets 3.1, the side walls of the adjacent second attracting fixed magnets 3.1 can be adhered with the demagnetizing pads 7, the demagnetizing pads 7 can be rubber pads or silica gel pads, the mutual repulsive force of the second attracting fixed magnets 3.1 can be effectively eliminated, and each second attracting fixed magnet 3.1 can be more firmly clamped and attracted in the clamping groove 2.

When in use, the device is firstly connected to the end of the endoscope head, and the elastic sleeve 4 is further sleeved and clamped on the end of the endoscope head; then clamping and fixing a second suction and fixing magnet 3.1 of the auxiliary tension and tension assembly 3 in the clamping groove 2, and simultaneously, passing an operating handle for connecting the titanium clamp 3.3 to carry out clamping operation through an operating pore channel on the inner side of the endoscope and well connecting the operating handle with the titanium clamp 3.3; then the endoscope can be operated to penetrate into the alimentary canal of a patient, when the transparent cap 1 reaches a lesion part needing to be cut off, the titanium clip 3.3 can be operated to clamp the lesion part from different angles, and then the operation handle connected with the titanium clip 3.3 is withdrawn, so that the endoscope operation can be carried out; when the lesion part is cut, the endoscope can be pulled outwards, so that the lesion part is stretched under the clamping action of the titanium clamp 3.3.

Certainly, in the process that the endoscope penetrates into the body, the operating handle of the titanium clip 3.3 needs to be pulled outwards, so that the titanium clip 3.3 can gather at the opening of an operating hole on the inner side of the endoscope, although the titanium clip 3.3 can affect the visual field to a certain extent, the influence is not great because a certain distance is reserved between the opening of the operating hole and a lens of the existing endoscope, the operating handle can be withdrawn after the titanium clip 3.3 is clamped on the lesion part to be cut subsequently, the operating field of a surgical instrument (such as a high-frequency electric knife and the like) during cutting is not affected, and therefore the pulling and stretching operation of the lesion part to be cut can be easily completed by means of the outward pulling of the endoscope, the operation is convenient and fast, a good pulling and stretching effect can be achieved, and meanwhile, the visual field can be ensured not to be shielded by the pulling rope and the titanium clip by the perforation 5 on the inner side of the transparent cap 1 when the lesion part is cut.

Claims (5)

1. An auxiliary distraction device for excision of lesions for endoscopes is characterized in that: comprises that

The transparent cap is matched and connected with the head end of the endoscope, and a through hole communicated with the inner side operation pore channel of the endoscope is formed in the transparent cap;

the clamping groove is formed in the outer wall of the transparent cap close to the head end of the endoscope, and a first absorption magnet is embedded at the bottom of the clamping groove;

supplementary subassembly that leads, for install in multiunit on the transparent cap for the tractive lesion position makes its tensioning, wherein, every group supplementary subassembly that leads all includes:

the second suction fixing magnet is clamped in the clamping groove and is in adaptive attraction with the first suction fixing magnet;

one end of the traction rope is connected to the outer wall of the second permanent magnet; and

and the titanium clamp is fixedly connected with the other end of the traction rope opposite to the second suction fixing magnet.

2. The endoscopic lesion resection assistance retractor according to claim 1, wherein: an elastic sleeve used for being clamped and sleeved on the outer wall of the endoscope is arranged on the outer wall of the connecting end of the transparent cap.

3. The endoscopic lesion resection assistance retractor according to claim 1, wherein: and a row of groove parts are uniformly arranged on the attraction surface of the first attraction and fixation magnet at intervals, and a protrusion part matched with the groove parts is arranged on the attraction surface of the second attraction and fixation magnet.

4. The endoscopic lesion excision auxiliary stretching device according to claim 1 or 3, wherein: the volume of the second attracting and fixing magnet is smaller than one half of the volume of the groove cavity of the clamping groove.

5. The endoscopic lesion resection assistance retractor according to claim 4, wherein: and an anti-magnetic pad is adhered to the adjacent side wall of two adjacent second attracting and fixing magnets.

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