Calculus collector for negative pressure suction sheath

Abstract

The calculus collector comprises a collecting bottle, one end of the collecting bottle is provided with an inserting and clamping sleeve protruding outwards, and the inserting and clamping sleeve is arranged at the bottom end of the collecting bottle; an equipment end negative pressure pipe joint extending outwards is arranged at the other end, far away from the collecting bottle, of the card inserting sleeve; a threaded end is arranged at the end, away from the card inserting sleeve, of the collecting bottle and is a bottle opening end. A filter cartridge is arranged in the collecting bottle, one end of the filter cartridge is inserted into the inserting and clamping sleeve, the outer wall of the filter cartridge abuts against the inner wall of the inserting and clamping sleeve, and a plurality of filter holes are formed in the cartridge wall of the filter cartridge; a liquid inlet bottle is arranged at the end, away from the equipment-end negative-pressure pipe connector, of the collecting bottle, a patient-end negative-pressure pipe connector is arranged at the end, away from the collecting bottle, of the liquid inlet bottle, and a screw cap corresponding to the threaded end in a matched mode is arranged at the end, close to the collecting bottle, of the liquid inlet bottle. The calculus collector only collects calculus and can automatically discharge waste liquid at the same time; the surgical operation difficulty can be reduced, and the surgical effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially is related to a device for filtering and collecting the stones sucked on the negative pressure guide sheath (guide sheath). BACKGROUND

[0002] Urolithiasis is a common and frequently-occurring disease in urology, with the continuous development of endoscopic technology and the continuous improvement of lithotripsy equipment and stone removal tools, endoscopic laser lithotripsy is currently mainly used to treat kidney stones. During the endoscopic lithotripsy surgery, an aspiration process is needed, physiological saline in a flushing container is first flushed into the abdominal cavity through an endoscope and the stones are crushed, a negative pressure pump sucks out the crushed stones through a negative pressure guide sheath (guide sheath), and the negative pressure guide sheath simultaneously sucks the waste liquid into a waste liquid collection container. There is no good collection tool for the crushed stones at present, and most of the crushed stones are collected through a filter screen after being sucked into the waste liquid collection container. In the suction process, the crushed stones are easy to cause the catheter to be blocked, causing poor drainage, increasing the difficulty of surgical operation, and affecting the treatment effect, which needs to be improved. SUMMARY

[0003] In order to solve the problems in the prior art, the purpose of the utility model is to provide a stone collector for a negative pressure guide sheath, which can automatically filter and collect the crushed stones, can observe the amount of collected crushed stones in real time, and improve the treatment effect.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A stone collector for a negative pressure guide sheath, comprising a collection bottle, one end of the collection bottle is provided with an outwardly protruding card insertion sleeve, the card insertion sleeve is arranged at the bottom end of the collection bottle; the other end of the card insertion sleeve away from the collection bottle is provided with an outwardly extending equipment end negative pressure pipe joint; one end of the collection bottle away from the card insertion sleeve is provided with a threaded end, the threaded end of the collection bottle is a bottle opening end;

[0006] A filter cartridge is arranged in the collection bottle, one end of the filter cartridge is inserted into the card insertion sleeve, the outer wall of the filter cartridge is tightly arranged against the inner wall of the card insertion sleeve, and a plurality of filter holes are formed in the wall of the filter cartridge;

[0007] One end of the collection bottle away from the equipment end negative pressure pipe joint is provided with a liquid inlet bottle, one end of the liquid inlet bottle away from the collection bottle is provided with a patient end negative pressure pipe joint, and one end of the liquid inlet bottle close to the collection bottle is provided with a screw cap matched with the threaded end.

[0008] Further, in some embodiments, a plurality of longitudinally arranged filter holes are formed in the wall of the filter cartridge, the longitudinally arranged filter holes gradually decrease in diameter from top to bottom, and the longitudinally arranged filter holes are arranged in vertical rows with intervals.

[0009] Further, in some embodiments, the filter cartridge is provided with a transversely extending liquid suction cylinder at an end away from the plug-in sleeve, the filter cartridge is longitudinally arranged, the liquid suction cylinder is transversely arranged, the filter cartridge and the liquid suction cylinder are arranged perpendicularly and through each other;

[0010] The two ends of the liquid suction cylinder are respectively provided with filter covers, and the end of the liquid suction cylinder is provided with a recessed clasp ring, and the filter cover is embedded and clamped in the recessed clasp ring.

[0011] Further, in some embodiments, the inner diameter of the plug-in sleeve is greater than the inner diameter of the equipment end negative pressure pipe joint; an inner abutting ring is arranged between the plug-in sleeve and the equipment end negative pressure pipe joint; and the end of the filter cartridge close to the equipment end negative pressure pipe joint is arranged in abutting contact with the inner abutting ring.

[0012] The inner abutting ring is arranged at the end of the plug-in sleeve close to the equipment end negative pressure pipe joint, and the equipment end negative pressure pipe joint is arranged on the inner abutting ring; the collection bottle, the plug-in sleeve and the equipment end negative pressure pipe joint are integrally formed.

[0013] Further, in some embodiments, the outer wall of the filter cartridge is arranged in close fit with the inner wall of the plug-in sleeve; a first recessed clamping groove is formed in the outer wall of the end of the filter cartridge close to the plug-in sleeve, and the first recessed clamping groove is arranged in the plug-in sleeve; a first sealing ring is arranged in the first recessed clamping groove in a sleeved manner, and the first sealing ring is arranged in extrusion between the outer wall of the filter cartridge and the inner wall of the plug-in sleeve.

[0014] Further, in some embodiments, an outwardly protruding abutting disc is arranged on the filter cartridge, and the abutting disc is arranged in abutting contact with the bottom surface of the collection bottle.

[0015] The filter cartridge, the liquid suction cylinder and the abutting disc are integrally formed.

[0016] The longitudinal row of filter holes gradually decrease in diameter from the patient end negative pressure pipe joint end to the equipment end negative pressure pipe joint end.

[0017] Further, in some embodiments, the end of the filter cartridge away from the plug-in sleeve is flush with the end of the collection bottle away from the equipment end negative pressure pipe joint; and the liquid suction cylinder at the end of the filter cartridge is arranged in the liquid inlet bottle.

[0018] A spacing D is arranged at the inner diameter of the liquid inlet bottle between the two ends of the liquid suction cylinder, and the width of the spacing D is 1 / 6~1 / 4 of the inner diameter of the liquid inlet bottle.

[0019] Further, in some embodiments, the inner diameter of the screw cap is greater than the inner diameter of the liquid inlet bottle, a second recessed clamping groove is formed in the inner side of the cap bottom close to the outer edge at the end of the liquid inlet bottle, a second sealing ring is arranged in the second recessed clamping groove in a sleeved manner, and the outward end of the threaded end is arranged in abutting contact with the second sealing ring.

[0020] A spacing D is arranged at the inner diameter of the liquid inlet bottle between the two ends of the liquid suction cylinder, and the width of the spacing D is 1 / 5 of the inner diameter of the liquid inlet bottle.

[0021] The patient end negative pressure pipe joint, the liquid inlet bottle and the screw cap are integrally formed.

[0022] The utility model discloses a stone collector for endoscope surgery, which can only collect stones and automatically discharge waste liquid, and can observe the conditions in the stone collector through the transparent collecting bottle and the transparent liquid inlet bottle. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic view of the embodiment of the utility model;

[0024] Figure 2 It is an application schematic view of the embodiment of the utility model;

[0025] Figure 3 It is a water flow schematic view of the embodiment of the utility model;

[0026] Figure 4 It is a structure schematic view of the embodiment of the utility model;

[0027] Figure 5 It is an exploded schematic view of the embodiment of the utility model;

[0028] Figure 6 It is a sectional structure view of the embodiment of the utility model.

[0029] Marking explanation in the drawing:

[0030] Collecting bottle 11, card insertion sleeve 12, equipment end negative pressure pipe joint 13, inner abutting ring 14, threaded end 15, patient end negative pressure pipe joint 16, liquid inlet bottle 17, screw cap 18, second recessed card slot 19, filter cartridge 21, liquid suction cylinder 22, recessed card ring 23, filter cover 24, filter hole 25, abutting disc 26, first sealing ring 27, first recessed card slot 28, second sealing ring 29, negative pressure suction sheath 31. DETAILED DESCRIPTION

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. In order to further understand the features, technical means and specific purposes, functions achieved by the utility model, the advantages and spirits of the utility model, the utility model is described in detail through the following drawings and specific embodiments.

[0032] It should be understood that when a component is referred to as being "on" or "disposed on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. The terms "vertical", "horizontal", "front", "back", and similar terms as used herein are for illustrative purposes only and are not meant to be limiting.

[0033] Please refer to the drawings, the utility model includes collection bottle 11, one end of collection bottle 11 is equipped with the outward bulge card sleeve tube 12, the card sleeve tube 12 is arranged at the bottom end of collection bottle 11, the other end of card sleeve tube 12 is equipped with the outward extension equipment end negative pressure pipe joint 13 away from collection bottle 11, the inner diameter of card sleeve tube 12 is greater than the inner diameter of equipment end negative pressure pipe joint 13, and the inner diameter of card sleeve tube 12 is greater than the inner diameter of equipment end negative pressure pipe joint 13.

[0034] The inner diameter of card sleeve tube 12 is greater than the inner diameter of equipment end negative pressure pipe joint 13, and the inner diameter of card sleeve tube 12 is greater than the inner diameter of equipment end negative pressure pipe joint 13.

[0035] The other end of collection bottle 11 is equipped with the threaded end 15 away from card sleeve tube 12, and the threaded end 15 of collection bottle 11 is a bottle opening end.

[0036] Further, in one embodiment, the collection bottle 11 is provided with a filter cartridge 21, one end of the filter cartridge 21 is inserted into the card sleeve tube 12, and the outer wall of the filter cartridge 21 is tightly arranged with the inner wall of the card sleeve tube 12, i.e. the outer wall of the filter cartridge 21 is tightly arranged with the inner wall of the card sleeve tube 12; a first recessed card slot 28 is formed on the outer wall of one end of the filter cartridge 21 close to the card sleeve tube 12, and the first recessed card slot 28 is arranged in the card sleeve tube 12; a first sealing ring 27 is sleeved in the first recessed card slot 28, and the first sealing ring 27 is tightly arranged between the outer wall of the filter cartridge 21 and the inner wall of the card sleeve tube 12.

[0037] The filter cartridge 21 is provided with an outward bulge pressure plate 26, the pressure plate 26 is tightly arranged with the bottom surface of the collection bottle 11, and the pressure plate 26 is used for pulling and inserting the filter cartridge 21 on the collection bottle 11 to position the filter cartridge 21.

[0038] Furthermore, in one embodiment, a plurality of filter holes 25 are provided on the wall of the filter cylinder 21; the plurality of filter holes 25 are arranged in a row longitudinally, and the aperture of the filter holes 25 in the row longitudinally gradually decreases from top to bottom, and the filter holes 25 in the row longitudinally are arranged in vertical rows at intervals; that is, the aperture of the filter holes 25 in the row longitudinally gradually decreases from the patient-end negative pressure pipe connector 16 to the device-end negative pressure pipe connector 13, and the aperture of the filter holes 25 close to the patient-end negative pressure pipe connector 16 is larger, and the aperture of the filter holes 25 close to the device-end negative pressure pipe connector 13 is smaller.

[0039] A laterally extending liquid suction cylinder 22 is provided at one end of the filter cartridge 21 away from the card sleeve 12. The filter cartridge 21 is arranged longitudinally and the liquid suction cylinder 22 is arranged transversely. The filter cartridge 21 and the liquid suction cylinder 22 are perpendicular to each other and are arranged through each other. The filter cartridge 21, the liquid suction cylinder 22 and the pressure plate 26 are integrally formed.

[0040] Filter covers 24 are respectively provided at both ends of the liquid pipetting cylinder 22 ; further, a concave snap ring 23 is provided at the end of the liquid pipetting cylinder 22 , and the filter cover 24 is embedded in the concave snap ring 23 .

[0041] A liquid inlet bottle 17 is provided at the end of the collecting bottle 11 away from the device-end negative pressure pipe joint 13, and a patient-end negative pressure pipe joint 16 is provided at the end of the liquid inlet bottle 17 away from the collecting bottle 11. A screw cap 18 is provided at the end of the liquid inlet bottle 17 close to the collecting bottle 11, which matches the threaded end 15, and the inner diameter of the screw cap 18 is larger than the inner diameter of the liquid inlet bottle 17.

[0042] Further, in one embodiment, see the attached Figure 4 As shown, attached Figure 4 The positional relationship between the liquid suction cylinder 22 and the liquid inlet bottle 17 is shown in the figure; the end of the filter cylinder 21 away from the card sleeve 12 and the end of the collection bottle 11 away from the equipment end negative pressure pipe joint 13 are flush; the liquid suction cylinder 22 at the end of the filter cylinder 21 is set in the liquid inlet bottle 17.

[0043] There is a spacing D between the two ends of the liquid pipette 22 and the inner diameter of the liquid inlet bottle 17. The width of the spacing D is 1 / 6 to 1 / 4 of the inner diameter of the liquid inlet bottle 17. Preferably, the width of the spacing D is 1 / 5 of the inner diameter of the liquid inlet bottle 17.

[0044] Furthermore, in one embodiment, a second recessed groove 19 is formed on the inner side of the bottom of the screw cap 18 near the outer edge of the end near the liquid inlet bottle 17. A second sealing ring 29 is sleeved in the second recessed groove 19, and the open end of the threaded end 15 is tightly seated against the second sealing ring 29. The patient-side negative pressure pipe connector 16, the liquid inlet bottle 17, and the screw cap 18 are integrally formed.

[0045] The patient-side negative pressure pipe connector 16 is connected to the negative pressure catheter of the negative pressure suction sheath 31 (introducing sheath), and the device-side negative pressure pipe connector 13 is connected to the negative pressure pump of the device.

[0046] Collecting bottle 11 (transparent), liquid inlet bottle 17 (transparent): PC material is used, and some conditions in the stone collector can be observed.

[0047] The patient end negative pressure pipe joint 16 enters water and gravel, and then the gravel (stone) is deposited in the transparent collecting bottle 11, the waste liquid flows out from the filter hole 25 of the filter cylinder 21, and the gravel (stone) falls to the bottom of the collecting bottle 11; the waste liquid flows out from the filter cover 24 of the liquid suction cylinder 22.

[0048] The far end of the filter cylinder 21 away from the patient end negative pressure pipe joint 16 is inserted into the plug-in sleeve 12 of the collecting bottle 11, the filter cylinder 21 is tightly arranged with the plug-in sleeve 12, and the first sealing ring 27 is arranged between the filter cylinder 21 and the plug-in sleeve 12.

[0049] After the operation is completed, the filter cylinder 21 is pulled out, the stones in the collecting bottle 11 are poured out, and the composition of the stones is analyzed; the stone collector of the utility model only collects stones, and can automatically drain liquid.

[0050] The above examples only express several preferred embodiments of the utility model, the description is more specific and detailed, and it should be understood that the utility model is not limited to the form disclosed in the text, and should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed by the above teaching or related technical or knowledge within the scope of the utility model concept described in the text, and therefore it cannot be understood as the limitation of the scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, some deformations and improvements can be made, and the changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and these all belong to the protection scope of the appended claims of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A stone collector for a negative pressure suction sheath, characterized in that: The utility model relates to a medical negative pressure collecting bottle, including: A collecting bottle (11) is provided with an outwardly protruding plug-in sleeve (12) at one end of the collecting bottle (11), the plug-in sleeve (12) is arranged at the bottom end of the collecting bottle (11), the other end of the plug-in sleeve (12) away from the collecting bottle (11) is provided with an outwardly extending equipment end negative pressure pipe joint (13), and the one end of the collecting bottle (11) away from the plug-in sleeve (12) is provided with a threaded end (15), and the threaded end (15) of the collecting bottle (11) is a bottle opening end; A filter cartridge (21) is arranged in the collecting bottle (11), one end of the filter cartridge (21) is inserted into the plug-in sleeve (12), the outer wall of the filter cartridge (21) is tightly arranged against the inner wall of the plug-in sleeve (12), and a plurality of filter holes (25) are formed in the wall of the filter cartridge (21); The one end of the collecting bottle (11) away from the equipment end negative pressure pipe joint (13) is provided with a liquid inlet bottle (17), the one end of the liquid inlet bottle (17) away from the collecting bottle (11) is provided with a patient end negative pressure pipe joint (16), and the one end of the liquid inlet bottle (17) close to the collecting bottle (11) is provided with a screw cap (18) matched with the threaded end (15).

2. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, A plurality of longitudinally arranged filter holes (25) are formed in the wall of the filter cartridge (21), the longitudinally arranged filter holes (25) gradually decrease in diameter from top to bottom, and the longitudinally arranged filter holes (25) are arranged in vertical rows.

3. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, The one end of the filter cartridge (21) away from the plug-in sleeve (12) is provided with a transversely extending liquid suction cartridge (22), the filter cartridge (21) is longitudinally arranged, the liquid suction cartridge (22) is transversely arranged, the filter cartridge (21) and the liquid suction cartridge (22) are perpendicularly and throughly arranged; The two ends of the liquid suction cartridge (22) are respectively provided with filter covers (24), the end of the liquid suction cartridge (22) is provided with a recessed clamping ring (23), and the filter covers (24) are embedded and clamped in the recessed clamping ring (23).

4. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, The inner diameter of the plug-in sleeve (12) is greater than the inner diameter of the equipment end negative pressure pipe joint (13), an inner abutting ring (14) is arranged between the plug-in sleeve (12) and the equipment end negative pressure pipe joint (13), and the one end of the filter cartridge (21) close to the equipment end negative pressure pipe joint (13) is tightly arranged against the inner abutting ring (14). The inner abutting ring (14) is arranged at the one end of the plug-in sleeve (12) close to the equipment end negative pressure pipe joint (13), and the equipment end negative pressure pipe joint (13) is arranged on the inner abutting ring (14); the collecting bottle (11), the plug-in sleeve (12) and the equipment end negative pressure pipe joint (13) are integrally formed.

5. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, The outer wall of the filter cartridge (21) is tightly arranged with the inner wall of the plug-in sleeve (12); a first recessed clamping groove (28) is formed in the outer wall of the one end of the filter cartridge (21) close to the plug-in sleeve (12), the first recessed clamping groove (28) is arranged in the plug-in sleeve (12); a first sealing ring (27) is sleeved in the first recessed clamping groove (28), and the first sealing ring (27) is arranged in compression between the outer wall of the filter cartridge (21) and the inner wall of the plug-in sleeve (12).

6. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, The filter cartridge (21) is provided with an outwardly protruding abutting disc (26), and the abutting disc (26) is tightly arranged against the bottom surface of the collecting bottle (11); The filter cartridge (21), the liquid suction cartridge (22) and the abutting disc (26) are integrally formed. The longitudinal row of filter holes (25) gradually decrease in diameter from the patient end negative pressure tube connector (16) to the equipment end negative pressure tube connector (13).

7. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, The end of the filter cartridge (21) away from the card sleeve (12) is flush with the end of the collection bottle (11) away from the equipment end negative pressure tube connector (13); the liquid suction cylinder (22) at the end of the filter cartridge (21) is arranged in the liquid inlet bottle (17); The distance D between the two ends of the liquid suction cylinder (22) is arranged at the inner diameter of the liquid inlet bottle (17), and the width of the distance D is 1 / 6-1 / 4 of the inner diameter of the liquid inlet bottle (17).

8. A stone collector for use with a negative pressure suction sheath according to claim 1, wherein, The inner diameter of the screw cap (18) is larger than the inner diameter of the liquid inlet bottle (17), the inner side of the cap bottom near the end of the liquid inlet bottle (17) is provided with a second recessed clamping groove (19) near the outer edge part, the second recessed clamping groove (19) is sleeved with a second sealing ring (29), and the outer end of the threaded end (15) is arranged in abutment with the second sealing ring (29); The distance D between the two ends of the liquid suction cylinder (22) is arranged at the inner diameter of the liquid inlet bottle (17), and the width of the distance D is 1 / 5 of the inner diameter of the liquid inlet bottle (17). The patient end negative pressure tube connector (16), the liquid inlet bottle (17), and the screw cap (18) are integrally formed.

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