CN209847366U - Modular back flush device of ureteral calculus shutoff - Google Patents

Abstract

The utility model discloses a modular ureteral calculus shutoff back flush unit relates to the medical instrument field, and what solve does not have the problem of both perfect shutoff calculus and the equipment of taking out the rubble as far as possible completely. This product is including putting into part and operating means, operating means is located uppermost, puts into the part and is located the lower part, still includes waterway and trachea way, waterway and trachea way all are located and put into between part and the operating means and waterway and trachea way parallel arrangement, and the one end of putting into the part is provided with the sacculus, and the other end of putting into the part is provided with female first link, and the gas outlet of trachea way is located inside the sacculus, and the sacculus is located the top of waterway's delivery port. This product possesses good shutoff function, little, the device that possesses the function of getting the stone to the ureter damage simultaneously, and the connector design of this product can make things convenient for inserting and withdrawing from of surgical instruments, can effectual improvement operation efficiency.

Description

Modular back flush device of ureteral calculus shutoff

Technical Field

The utility model relates to the field of medical equipment, specifically a modular ureteral calculus shutoff back flush device.

Background

Ureteral calculus is a common disease in urology, has high incidence rate, has an annual new incidence rate of about 150-200/10 thousands of people, accounts for 65% of urinary calculus, and has an operation rate of about 25%. At present, ureteroscope laser lithotripsy is mainly adopted in ureteral calculus treatment. After a patient smashes the calculus under the ureteroscope through laser, a part of the smashed calculus is taken out through a calculus removing forceps or other surgical instruments. Because the crushed stones are crushed into hundreds of small pieces, all the broken stones cannot be taken out usually, and the rest parts adopt a mode of remaining the ureteral stent, so that the broken stones are gradually discharged along the gap between the ureteral stent and the ureteral wall. Because the broken stone blocks are often irregular, the damage to the ureter wall in the processes of removing stones and discharging stones at the later stage to cause hematuria is inevitable, and even a great bleeding risk exists in the serious cases.

On the other hand, in the process of smashing the calculus by laser, the calculus gradually moves towards the renal pelvis under the action of force, once the calculus enters the renal pelvis, effective calculus smashing is difficult to continue, and operation failure is also meant. In order to prevent the broken stones from moving upwards to the renal pelvis, ureteral calculus blocking devices are generally adopted at present. The calculus plugging device in the market at present has obvious defects, firstly, the ureter cavity is difficult to be plugged completely, and particularly for ureteral expansion water accumulation with calculus in the ureter; secondly, the crushed stone often escapes to the renal pelvis along the gap of the blocking device, so that the stone remains after the operation, and a secondary operation has to be performed. For pregnant women or patients lying in bed for a long time or with disabilities, the movement is limited, the postoperative self-lithotripsy capability is poor (even if the calculus with the diameter less than 1mm is difficult to be discharged by the patient lying in bed for a long time or with disabilities), the calculus is required to be blocked perfectly and the crushed stone is required to be taken out completely as far as possible in the first period of operation, but the current technology and equipment cannot meet the standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular ureteral calculus shutoff back flush device to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a modular ureteral calculus shutoff anti-washing unit, is including putting into part and operating means, operating means is located uppermost, puts into the part and is located the lower part, still includes waterway and trachea way, waterway and trachea way all are located between putting into part and the operating means and waterway and trachea way parallel arrangement, the one end of putting into the part is provided with the sacculus, the other end of putting into the part is provided with female first link, the length of trachea way is greater than waterway and trachea way's gas outlet is located inside the sacculus, the sacculus is located the top of waterway's delivery port.

As a further aspect of the present invention: the sacculus adopts unilateral inflation structure, and the sacculus is to the delivery port top one side inflation of waterway channel.

As a further aspect of the present invention: be provided with leak protection gas port, female and the anticreep hole of waterway connector on the female joint connection.

As a further aspect of the present invention: the operating component is in a Y shape and is provided with a male connector, a water injection connector and a gas injection connector.

As a further aspect of the present invention: the male head connecting end is provided with an air needle, a waterway connector male head and an anti-drop hook, the female head connecting end is connected with the male head connecting end, the air needle can be inserted into the anti-leakage air port, the waterway connector male head is connected with the waterway connector female head, and the anti-drop hook is connected and matched with the anti-drop hole to prevent the connector from dropping; when needing the separation, rotatory anticreep couple with public first link and female first link pull out can, the anticreep couple is located public first link, can rotate at certain angle for with put into the anticreep jogged joint of part.

As a further aspect of the present invention: the gas injection joint is connected with the observation airbag, and a gas valve is arranged inside the gas injection joint.

As a further aspect of the present invention: the inside of anticreep couple is provided with elastic bulge, and aim at makes anticreep couple and anticreep hole closely cooperate after inserting the anticreep hole, prevents to drop.

Compared with the prior art, the beneficial effects of the utility model are that:

this product reasonable in design possesses good shutoff function, little, the device that possesses the function of getting the stone to the ureter damage simultaneously, and the connector design of this product can make things convenient for the operation operator to carry out the insertion and the withdraw from of surgical instruments (like urethroscope) in the art, can effectual improvement operation efficiency, has very big clinical value to treatment ureter stone.

Drawings

Fig. 1 is a structural schematic diagram of a combined ureteral calculus plugging backwashing device.

Fig. 2 is a sectional view in the direction of A-A in the combined ureteral calculus plugging backwashing device.

Fig. 3 is a front view of a component arranged in the combined ureteral calculus plugging backwashing device.

Fig. 4 is an enlarged view of a placement part L in the combined ureteral calculus plugging backwashing device.

Fig. 5 is a perspective view of an embedded part in the combined ureteral calculus blocking backwashing device.

Fig. 6 is an enlarged view of a part K arranged in the combined ureteral calculus plugging backwashing device.

Fig. 7 is a partial sectional view of the combined ureteral calculus plugging backwashing device.

Fig. 8 is an enlarged view at N in a partial cross-sectional view of the combined ureteral stone occlusion backwash device.

Fig. 9 is a perspective view of the operating components in the combined ureteral calculus plugging backwashing device.

Fig. 10 is an enlarged view of an operation part M in the combined ureteral calculus blocking backwashing device.

Fig. 11 is a schematic structural diagram of an anti-drop hook in the combined ureteral calculus blocking backwashing device.

Fig. 12 is a working schematic diagram of the combined ureteral calculus plugging backwashing device.

Wherein: 1-implantation part, 2-operation part, 3-waterway channel, 4-airway channel, 11-balloon, 12-female head connecting end, 21-male head connecting end, 22-water injection joint, 23-gas injection joint, 31-water outlet, 41-gas outlet, 121-leak-proof gas port, 122-waterway connector female head, 123-anti-drop hole, 211-gas needle, 212-waterway connector male head, 213-anti-drop hook, 231-observation balloon, 232-gas valve, 5-water flow, 6-ureter and 7-calculus.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

The utility model provides a modular ureteral calculus shutoff back flush unit, includes puts into part 1 and operating means 2, operating means 2 is located uppermost, puts into part 1 and is located the bottommost portion, still includes waterway 3 and gas circuit way 4, waterway 3 and gas circuit way 4 all are located and put into between part 1 and the operating means 2 and waterway 3 and gas circuit way 4 parallel arrangement, the one end of putting into part 1 is provided with sacculus 11, the other end of putting into part 1 is provided with female first link 12, gas circuit 4's length is greater than waterway 3 and gas circuit 4's gas outlet 41 is located sacculus 11 inside, sacculus 11 is located the top of waterway 3's delivery port 31.

The female connection end 12 is provided with an air leakage preventing port 121, a waterway connection head female 122 and an anti-falling hole 123.

The operating member 2 has a shape of letter "Y", and the operating member 2 is provided with a male connection end 21, a water injection joint 22, and a gas injection joint 23.

The male connector connecting end 21 is provided with an air needle 211, a waterway connector male connector 212 and an anti-drop hook 213, the female connector connecting end 12 is connected with the male connector connecting end 21, the air needle 211 can be inserted into the anti-drop air port 121, the waterway connector male connector 212 is connected with the waterway connector female connector 122, and the anti-drop hook 213 is connected and matched with the anti-drop hole 123 to prevent the connectors from dropping off; when needing the separation, rotatory anticreep couple 213, with public first link 21 and female first link 12 pull out can, anticreep couple 213 is located public first link 21, can rotate at certain angle for with put into the anticreep hole 123 connection of part 1.

The anti-falling hook 213 is provided with an elastic protrusion inside, so that the anti-falling hook 213 is tightly engaged with the anti-falling hole 123 to prevent falling after being inserted into the anti-falling hole 123.

When gas is injected into the saccule 11, the saccule 11 is expanded to only one side of the water outlet 31 of the waterway channel 3, the other side is tightly attached to the tube wall of the ureter 6, the insertion part 1 is ensured to be tightly attached to the gap between the calculus 7 and the tube wall of the ureter 6, enough space is reserved for smashing the calculus by laser, and the ureter 6 is completely blocked when the saccule 11 is expanded.

The implantation part 1 is made of elastic materials, and the implantation part 1 can freely bend along the ureter 6; the surface of the embedded part 1 is provided with a hydrophilic coating, the hydrophilic coating can adopt polyvinylpyrrolidone (PVP), smoothness between the embedded part and the ureter 6 is guaranteed, operation is convenient, and damage to the ureter 6 is avoided. The main body of the operating member 2 may be made of a metal material.

The gas injection joint 23 is connected with an observation airbag 231, and a gas valve 232 is arranged inside the gas injection joint 23. The air valve 232 is used to prevent air leakage, and the observation balloon 231 is used to observe the state of the balloon 11 of the insertion member 1 and whether the balloon 11 is air-leaked.

In use, the device is inserted through the working channel of the ureteroscope and along the gap between the stone 7 and the ureter 6, ensuring that the balloon 11 completely passes over the stone 7, at which point the joint can be detached and the ureteroscope exits the body along the device insertion part 1. The ureteroscope enters the ureter 6 along the outer side of the device to reach the calculus 7, and then a laser fiber is inserted from a ureteroscope working channel to the front end of the calculus 7. The male connecting end 21 and the female connecting end 12 are connected, and the ureter 6 is completely sealed when the balloon 11 is expanded to a certain degree by injecting air through the air injection joint 23. Then water is continuously injected through the water injection joint 22, the water flow 5 impacts the balloon 11 to rebound and wash the calculus 7, meanwhile, the calculus 7 is hit by laser, the ureter 6 above the calculus 7 is blocked by the expanded balloon 11, the hit and broken calculus cannot move towards the renal pelvis beyond the balloon 11 due to the action of the water flow 5 and can only move towards the bladder along the direction of the water flow 5, the lumen of the ureter 6 is completely blocked by the balloon 11, and the physiological saline injected in the operation is further prevented from entering the renal pelvis, so that the renal pelvis pressure is not influenced, and the possibility of upper urinary tract infection caused by the increase of the renal pelvis pressure is reduced. Meanwhile, the water flow 5 washes the crushed stones 7 to the bladder, so that repeated stone taking and stone clamping are avoided for stone taking in the operation; meanwhile, the flushing effect of the water flow 5 can avoid violent calculus removal, reduce the damage of the ureter 6 and avoid the pain of postoperative calculus removal of a patient. After the operation is finished, the air in the air bag 11 is exhausted, the front end of the device is restored to the original state, and the device is pulled out from the channel of the ureter 6 slightly.

Example 2

On the basis of the embodiment 1, when the diameter of the ureteroscope working channel meets the condition that the embedding part 1 and the laser fiber enter simultaneously, the operating part 2 and the embedding part 1 do not need to be separated, and after the position of the embedding part 1 is determined to be proper, the laser fiber is inserted from the working channel to perform lithotripsy, so that the operation steps are further simplified, and the operation efficiency is improved.

The air channel 4 can also be used for inflating the balloon 11 by injecting normal saline to achieve the effect required by the operation.

It should be particularly noted that, in the present application, by the cooperation of the insertion part 1, the operation part 2, the air channel 4 and the water channel 3, the problems of no plugging function, small damage to the ureter and a device with a calculus removing function are effectively solved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A combined ureteral calculus plugging backwashing device comprises an embedding part (1) and an operating part (2), wherein the operating part (2) is positioned at the uppermost part, the embedding part (1) is positioned at the lowermost part, the ureteral calculus plugging backwashing device is characterized by further comprising a waterway channel (3) and an airway channel (4), the waterway channel (3) and the airway channel (4) are both positioned between the embedding part (1) and the operating part (2), the waterway channel (3) and the airway channel (4) are arranged in parallel, one end of the embedding part (1) is provided with a balloon (11), the other end of the embedding part (1) is provided with a female head connecting end (12), the length of the airway channel (4) is greater than that of the waterway channel (3), an air outlet (41) of the airway channel (4) is positioned inside the balloon (11), and the balloon (11) is positioned above a water outlet (31) of the waterway channel (3, the balloon (11) adopts a unilateral expansion structure.

2. The combined ureteral calculus plugging backwashing device of claim 1, wherein the female connection end (12) is provided with an anti-leakage port (121), a waterway connector female end (122) and an anti-leakage hole (123).

3. The combined ureteral calculus plugging backwashing device of claim 1, wherein the operating unit (2) is in a shape of letter "Y", and a male connecting end (21), a water injection joint (22) and a gas injection joint (23) are arranged on the operating unit (2).

4. The combined ureteral calculus plugging backwashing device of claim 3, wherein an air needle (211), a waterway connector male head (212) and an anti-falling hook (213) are arranged on the male head connecting end (21).

5. The combined ureteral calculus blocking and backwashing device according to claim 3, wherein the gas injection joint (23) is connected with the observation air bag (231), and a gas valve (232) is arranged inside the gas injection joint (23).

6. The combined ureteral calculus blocking and backwashing device of claim 4, wherein an elastic protrusion is arranged inside the anti-falling hook (213).