CN213129979U - Endoscope sheath tube - Google Patents

Abstract

The utility model discloses an endoscope sheath pipe, endoscope sheath pipe include: the device comprises a sleeve part and a suction pipe, wherein the sleeve part comprises an outer pipe and an inner pipe, the inner pipe is sleeved in the outer pipe and is coaxial with the outer pipe, a containing cavity is arranged between the outer pipe and the inner pipe, a plurality of flushing pipes and a plurality of suction pipes are sleeved in the containing cavity, the flushing pipes are communicated with an external water injection pump, and the suction pipes are communicated with an external suction pump; the inner tube is hollow to form an instrument channel; the fixing part is a fixed connecting piece, and the fixed end of the sleeve part can be fixed on the fixed connecting piece; the cover body is provided with a through hole in the middle, the inner diameter of the cover body is matched with the outer diameter of the outer pipe, the diameter of the through hole is matched with the inner diameter of the inner pipe, the cover body can be buckled and fixed at the front end of the sleeve pipe part, and a plurality of small holes are formed in the cover body, so that the flushing pipe and the suction pipe can be used for injecting water and sucking through the small holes.

Description

Endoscope sheath tube

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an endoscope sheath pipe.

Background

Laparoscopic surgery has progressed rapidly worldwide over the last two decades, and the disease treated has gradually expanded from relatively simple, benign diseases of the gallbladder, hernia, etc., to relatively complex, malignant diseases of colorectal cancer, gastric cancer, hepatobiliary malignancies, pancreatic tumors, etc. The laparoscopic surgery has the advantages of small incision, less bleeding, small internal organ turning amplitude, good visual field in a narrow space and the like, achieves the treatment effect, and can reduce the wound as much as possible and promote the rapid recovery of a patient. With the popularization of laparoscopic devices and the accumulation of doctor experience, the application of laparoscopic minimally invasive surgery is more and more extensive, and gradually becomes the 'gold standard' of common disease treatment schemes of general surgery.

The laparoscope lens is better than the 'eye' of the surgeon during the operation, and the clarity of the operation visual field directly determines the safety and efficiency of the laparoscopic operation. However, the following problems are often encountered during laparoscopic surgical procedures: 1) the temperature difference between the inside of the body cavity and the lens can cause fog on the surface of the lens, which causes the blurred vision, the lens needs to be repeatedly pulled out of the body cavity and is soaked in warm water of 40-50 ℃ for several minutes to recover the clear vision, which is time-consuming and inconvenient; 2) the lens is often splashed when the artery accidentally bleeds in the operation process, so that the visual field is blurred, bleeding points cannot be observed, and an operator only needs to pull out the lens to wipe the lens at the moment, and the operation is extremely unsafe; 3) when the ultrasonic knife or the electrocoagulation instrument is used for cutting tissues during operation, a large amount of smoke is generated in front of the lens, so that the field of vision of the operation is blurred, the operation needs to be suspended, carbon dioxide gas containing smoke is discharged outwards through the puncture hole, and the health of medical staff is harmed. The problem of blurred vision in laparoscopic surgery always troubles laparoscopic surgeons, precious operation time is consumed, working efficiency is reduced, operation risks are increased, and even the lives of patients are threatened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an endoscope sheath pipe can not extract the peritoneoscope camera lens, reaches the purpose of washing the mirror surface, attracting smog and defogging, keeping the mirror surface clear, effectively shortens the operation time, improves the operation security.

In order to achieve the above object, the present invention provides an endoscope sheath, the endoscope sheath comprises:

the endoscope comprises a sleeve part, a sleeve part and a suction pipe, wherein one end of the sleeve part is a fixed end, the other end of the sleeve part is a front end, the sleeve part comprises an outer pipe and an inner pipe, the inner pipe is sleeved in the outer pipe and is coaxial with the outer pipe, a containing cavity is arranged between the outer pipe and the inner pipe, a plurality of flushing pipes and a plurality of suction pipes are sleeved in the containing cavity, the flushing pipes are communicated with an external water injection pump and used for injecting water and flushing the mirror surface of the endoscope, and the suction pipes are communicated with an external suction pump and used for sucking smoke generated in an operation; the inner tube is hollow to form an instrument channel, so that the endoscope can be sleeved in the instrument channel;

the fixing part is a fixed connecting piece, and the fixed end of the sleeve part can be fixed on the fixed connecting piece; and

the cover body, the cover body middle part is equipped with a through-hole, the internal diameter of the cover body with the external diameter adaptation of outer tube, the diameter of through-hole with the internal diameter adaptation of inner tube, the cover body can detain to establish and be fixed in the front end of bushing portion, and it has a plurality of apertures to open on it, makes flushing pipe and suction tube can carry out water injection and suction through the aperture.

Preferably, the outer diameter of the outer tube is no greater than 10 mm.

Preferably, the inner diameter of the inner tube is 5mm, so that an endoscope with the outer diameter of 5mm can be sleeved in the inner tube.

Preferably, the accommodating cavity is internally provided with a circulating channel except the flushing pipe and the suction pipe, and the circulating channel is internally provided with circulating water at the temperature of 40-50 ℃.

Preferably, the flushing pipes are uniformly distributed in the accommodating cavity in the circumferential direction, and the suction pipes are uniformly distributed in the accommodating cavity in the circumferential direction.

Preferably, the flushing pipe and the suction pipe are arranged in a crossed and spaced mode.

Preferably, the fixing part comprises a remote control device, and the remote control device is provided with a flushing control button, a suction control button and a circulating control button.

The technical effects of the utility model:

(1) the washing tube is arranged to send water to wash the mirror surface, so that the problem of blurred vision caused by the fact that bleeding blood splashes to the mirror surface in the operation is solved;

(2) the suction tube can actively suck, so that the problem of blurred vision caused by smoke generated by an electrotome and an ultrasonic knife in the operation is solved, the electric and ultrasonic knives are extracted out of a body cavity and enter a smoke removal system, the problem of smoke harm is solved, and the purpose of clear operation field is achieved;

(3) by arranging the circulating passage, warm water at 40-50 ℃ is used for circulating heating, and the lens body is washed by the warm water, so that the problem of fuzzy visual field caused by temperature difference fogging of the lens surface and the body cavity is solved.

Drawings

Fig. 1 is a front view of an endoscope sheath.

FIG. 2 is a top view of an endoscope outer sheath.

Fig. 3 is a sectional view of an endoscope sheath conduit.

FIG. 4 is a schematic view of the distal end of an endoscope sheath.

FIG. 5 is a schematic view showing a state of use of an endoscope sheath.

In the figure, 1-cannula part, 11-outer tube, 12-inner tube, 13-flushing tube, 14-suction tube, 15-accommodating cavity, 16-circulation channel, 17-instrument channel, 101-fixed end, 102-front end, 2-fixed part, 21-flushing control button, 22-suction control button, 23-circulation control button, 3-cover body, 31-small hole, 4-connecting tube, 5-handle and 6-endoscope.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the endoscope sheath according to the present invention includes a sleeve portion 1 and a fixing portion 2. The fixing portion 2 is a fixing connector, and the fixing end 101 of the sleeve portion 1 can be fixed on the fixing connector. The fixed part 2 also comprises a remote control device, and the remote control device is provided with a flushing control button 21 which can control the opening and closing of the flushing process; an aspiration control button 22 capable of controlling the pumping process on and off; and a circulation control button 23 capable of controlling the circulation flow of the circulating water in the circulation passage 16. In some embodiments, the remote control is provided with a flush control button, a suction control button, and two cycle control buttons.

As shown in fig. 3, the sleeve portion includes an outer tube 11 and an inner tube 12, the inner tube 12 is sleeved in the outer tube 11 and is coaxial with the outer tube 11, an accommodating cavity 15 is formed between the outer tube 11 and the inner tube 12, a plurality of flushing tubes 13 and a plurality of suction tubes 14 are sleeved in the accommodating cavity 15, the flushing tubes 13 are uniformly distributed in the accommodating cavity 15 in the circumferential direction, and the suction tubes 14 are uniformly distributed in the accommodating cavity 15 in the circumferential direction. Preferably, there are two flushing pipes 13 and two suction pipes 14, and the flushing pipes 13 and the suction pipes 14 are distributed at intervals, and 4 pipes are uniformly distributed along the circumferential direction. The washing tube 13 is communicated with an externally connected water injection pump for injecting water and washing the mirror surface of the endoscope, and the suction tube 14 is communicated with an externally connected suction pump for sucking smoke generated in the operation; except the flushing pipe 13 and the suction pipe 14, a circulating channel 16 is formed in the accommodating cavity 15, and circulating water with the temperature of 40-50 ℃ is filled in the circulating channel 16. In some embodiments, the circulation channel 16 is communicated with an external heater for heating the circulating water, so that the temperature of the circulating water is always maintained at 40-50 ℃; the circulation channel 16 is connected with an external booster pump and is used for pushing the circulating water in the circulation channel to flow in a single direction. In some embodiments, the circulation channel 16 is connected to an external warm water tank, and warm water of 40-50 ℃ is continuously injected into the circulation channel. The inner tube 12 is hollow to form an instrument channel 17, so that the endoscope 6 can be sleeved in the instrument channel 17. In some embodiments, the outer diameter of the outer tube 11 is no greater than 10 mm. In some embodiments, the inner tube 12 has a diameter of 5mm, so that a 5mm diameter endoscope 6, which is commonly used in surgery, can be sleeved in the inner tube 12.

As shown in fig. 4, the front end 102 of the casing part 1 is provided with a cover body 3, the middle part of the cover body 3 is provided with a through hole, the inner diameter of the cover body 3 is adapted to the outer diameter of the outer tube 11, the diameter of the through hole 3 is adapted to the inner diameter of the inner tube 12, the cover body 3 can be buckled and fixed on the front end 102 of the casing part 1, and a plurality of small holes 31 are formed in the cover body, so that the flushing tube 13 and the suction tube 14 can inject water and suck through the small holes 31. The cover 3 can function to close the circulation channel 16, so that the circulation channel 16 forms a closed channel in which the flushing water can circulate.

As shown in fig. 5, the sheath tube of the endoscope disclosed in the present invention can be connected to the existing endoscope handle 5 through the adapter tube 4 and sleeved outside the endoscope 6.

The utility model discloses a use method does: an endoscope sheath tube is connected to the existing endoscope handle 5 through a connecting tube 4 and sleeved outside an endoscope 6. Firstly, pressing a washing button 21, injecting water into the washing pipe 13 through an external water injection pump, and washing the endoscope lens with warm water of 40-50 ℃; then the circulation button 23 is pressed down, and the lens body is warmed by circulating water of 40-50 ℃ so that the temperature of the lens and the lens body is close to the temperature in the patient body. Thereafter, the endoscope is inserted into the patient. In the operation process, if the unexpected bleeding of the artery occurs or the vision of the endoscope is not clear due to the blurred vision of the mirror surface, the flushing button 21 is pressed down to flush the lens of the endoscope. If an ultrasonic knife or an electrocoagulation instrument cuts tissues in the operation process, a large amount of smoke is generated in front of the lens, and the suction button 22 is pressed, the suction tube 14 can suck the generated smoke to the outside through an external suction pump, so that the safe operation process is ensured.

In summary, the utility model discloses an endoscope sheath tube, which uses a washing tube to supply water to wash the mirror surface, thus solving the problem that the mirror surface is blurred in visual field due to the bleeding blood splashing to the mirror surface in the operation; the suction tube can actively suck, so that the problem of blurred vision caused by smoke generated by an electrotome and an ultrasonic knife in the operation is solved, the electric and ultrasonic knives are extracted out of a body cavity and enter a smoke removal system, the problem of smoke harm is solved, and the purpose of clear operation field is achieved; by arranging the circulating passage, warm water at 40-50 ℃ is used for circulating heating, and the lens body is washed by the warm water, so that the problem of fuzzy visual field caused by temperature difference fogging of the lens surface and the body cavity is solved.

While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (7)

1. An endoscope sheath, comprising:

the endoscope comprises a sleeve part, a sleeve part and a suction pipe, wherein one end of the sleeve part is a fixed end, the other end of the sleeve part is a front end, the sleeve part comprises an outer pipe and an inner pipe, the inner pipe is sleeved in the outer pipe and is coaxial with the outer pipe, a containing cavity is arranged between the outer pipe and the inner pipe, a plurality of flushing pipes and a plurality of suction pipes are sleeved in the containing cavity, the flushing pipes are communicated with an external water injection pump and used for injecting water and flushing the mirror surface of the endoscope, and the suction pipes are communicated with an external suction pump and used for sucking smoke generated in an operation; the inner tube is hollow to form an instrument channel, so that the endoscope can be sleeved in the instrument channel;

the fixing part is a fixed connecting piece, and the fixed end of the sleeve part can be fixed on the fixed connecting piece; and

the cover body, the cover body middle part is equipped with a through-hole, the internal diameter of the cover body with the external diameter adaptation of outer tube, the diameter of through-hole with the internal diameter adaptation of inner tube, the cover body can detain to establish and be fixed in the front end of bushing portion, and it has a plurality of apertures to open on it, makes flushing pipe and suction tube can carry out water injection and suction through the aperture.

2. The endoscope sheath of claim 1, wherein the outer tube has an outer diameter of no greater than 10 mm.

3. The endoscope sheath of claim 1, wherein the inner tube has an inner diameter of 5mm so that an endoscope having an outer diameter of 5mm can be inserted into the inner tube.

4. The endoscope sheath according to claim 1, wherein a circulation passage is formed in the accommodation cavity, excluding the irrigation tube and the suction tube, and the circulation passage contains circulating water of 40 to 50 ℃.

5. The endoscope sheath of claim 1, wherein the irrigation tubes are evenly distributed circumferentially within the receiving cavity and the suction tubes are evenly distributed circumferentially within the receiving cavity.

6. The endoscope sheath of claim 5, wherein the irrigation tube is spaced across the suction tube.

7. The endoscope sheath of claim 1, wherein the securing portion comprises a remote control device having a flush control button, a suction control button, and a circulation control button.

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