Clinical prostate expansion device for urinary surgery

Abstract

The utility model provides a clinical prostate expansion device for urinary surgery. The clinical prostate expansion device comprises a tube rod body, an expansion mechanism movably arranged at one end of the tube rod body, a urine receiving mechanism slidably arranged on the outer wall of the middle of the tube rod body in a sleeving mode, a drainage structure arranged in the tube rod body and an expansion cover fixedly arranged at one end of the tube rod body. A threaded pipe shaft is arranged in the pipe rod body in a sleeved mode, and the two ends of the threaded pipe shaft extend out of the two ends of the pipe rod body respectively. The expansion mechanism is arranged at the expansion end of the threaded pipe shaft through a thread pair and expands outwards in the expansion cover with the pipe rod body as the center. The urine receiving mechanism comprises a urine receiving funnel arranged on the outer wall of the pipe rod body in a sleeving mode and a pushing structure used for abutting against the urine receiving funnel to move in the axial direction of the pipe rod body. The urine receiving funnel comprises a urine funnel body, a urine collecting box communicated with an inner cavity of the urine funnel body and a urine guiding pipe communicated with the urine collecting box. According to the utility model, urine flowing out in the expansion process can be prevented from influencing medical staff.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, it is a kind of prostatic dilatation device for urology clinical. BACKGROUND

[0002] Prostatic dilatation device is mainly used to treat urethral stricture or obstruction symptom caused by prostatic hyperplasia, this kind of device is expanded urethra or prostate tissue to improve urine flow and relieve relevant symptoms, and the main types of common prostatic dilatation device are balloon dilator and metal dilatation rod.

[0003] The existing metal dilatation rod is mainly expanded urethra by metal dilatation, which can exist following problems in actual operation:

[0004] 1) dilatation rod is usually inserted into patient urethra by prostate entrance, and the urethra in the prostate of patient after being expanded by dilatation rod is relatively unobstructed, residual urine in urethra is prone to leak from the edge of dilatation rod and prostate entrance when patient is stimulated, which affects medical staff operation;

[0005] 2) existing dilatation rod is usually expanded patient prostate by elastic metal sheet, and when expanding, metal sheet directly contacts with patient prostate, and when metal sheet is excessively expanded, it is easy to cause damage to internal tissue of patient prostate.

[0006] Therefore, a prostatic dilatation device for urology clinical is needed, which can avoid the influence of leaked urine on medical staff during expansion process. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of prostatic dilatation device for urology clinical, to solve the technical problem of adverse effect of urine leakage of traditional dilatation rod on medical staff during use.

[0008] To achieve the above-mentioned purpose, the utility model provides a kind of prostatic dilatation device for urology clinical, including pipe stick ontology, dilatation mechanism being movably arranged at one end of the pipe stick ontology, urine receiving mechanism being slidably sleeved on the outer wall of the middle part of the pipe stick ontology, and drainage structure being arranged in the pipe stick ontology and dilatation cover being fixedly arranged at one end of the pipe stick ontology;

[0009] Threaded tube shaft is sleeved in the pipe stick ontology, and both ends of the threaded tube shaft extend out of both ends of the pipe stick ontology;The dilatation mechanism is arranged at the dilatation end of the threaded tube shaft by screw pair, and expands outward in dilatation cover with the pipe stick ontology as center;

[0010] The urine receiving mechanism comprises a urine receiving cup sleeved on the outer wall of the pipe rod body and a pushing structure for pushing the urine receiving cup to move along the axial direction of the pipe rod body, the urine receiving cup comprises a cup body, a urine collecting box communicated with the inner cavity of the cup body, and a catheter communicated with the urine collecting box.

[0011] As a further improvement of the above scheme, the pushing structure is slidably arranged on the outer wall of the pipe rod body, comprising a sleeve slidably sleeved on the outer wall of the pipe rod body and a sealing sleeve ring, and a spring;

[0012] One end of the sealing sleeve ring extends into the sleeve, and the other end is provided with the urine receiving cup;

[0013] The spring is sleeved on the outer wall of the pipe rod body and located in the sleeve, one end of the spring abuts against the end face of the extended end of the sealing sleeve ring, and the other end of the spring abuts against the inner wall of the end of the sleeve away from the urine receiving cup.

[0014] As a further improvement of the above scheme, one end of the sealing sleeve ring is fixedly provided with a lever in the sleeve, and a guide groove is formed on the outer side of the sleeve to realize limited sliding of the lever.

[0015] As a further improvement of the above scheme, the drainage structure comprises a drainage pipe sleeved in the threaded pipe shaft, and a filter screen arranged at the expanded end of the threaded pipe shaft, the filter screen being communicated with the drainage pipe;

[0016] The expanded end of the threaded pipe shaft is further provided with a hand wheel for facilitating rotation of the threaded pipe shaft, and the drainage pipe extends out of the hand wheel and is connected with a corresponding collecting container.

[0017] As a further improvement of the above scheme, the expansion mechanism comprises a silica gel ring, a plurality of expansion pieces, a sliding ring threadedly connected with the expanded end of the threaded pipe shaft, and a plurality of supporting ears arranged on the outer wall of the expanded end of the pipe rod body;

[0018] The plurality of supporting ears are evenly distributed along the circumference of the outer wall of the pipe rod body;

[0019] The sliding ring comprises a sliding ring body and a supporting rod arranged on the outer wall of the sliding ring body and corresponding to the supporting ears;

[0020] One end of the expansion piece is hingedly connected with the supporting ear, and the supporting rod is slidably connected with the inner side of the corresponding expansion piece;

[0021] The side of the expansion piece away from the supporting rod is provided with a clamping groove, and the silica gel ring is clamped in the clamping grooves of the plurality of expansion pieces.

[0022] As a further improvement of the above scheme, the expansion cover is sleeved on the expansion mechanism;

[0023] The expansion cover comprises a connecting sleeve and a protective sleeve which is integrally connected with the connecting sleeve, an annular groove is arranged on the outer wall of the protective sleeve, and a mounting hole is arranged for the clamping groove to pass through;

[0024] The silica gel ring is slidably arranged in the groove and protrudes from the groove.

[0025] As a further improvement of the above scheme, the expansion piece comprises an expansion piece body and a sliding groove plate arranged on the inner side of the expansion piece body.

[0026] The sliding groove plate is provided with a sliding groove along the length direction of the expansion piece, and the distal end of the supporting rod away from the sliding ring body is provided with a sliding shaft matched with the sliding groove for sliding, and the clamping groove is arranged on the outer side of the expansion piece body.

[0027] Due to the above technical scheme, the application has the following beneficial effects:

[0028] The urine receiving mechanism is slidably arranged on the outer wall of the middle part of the pipe rod body, and comprises a urine receiving hopper and a pushing structure for moving the urine receiving hopper along the axial direction of the pipe rod body.

[0029] In addition, the drainage structure is arranged in the utility model, and the drainage structure comprises a filter screen arranged on the expansion end of the threaded pipe shaft and a drainage pipe sleeved in the threaded pipe shaft.

[0030] Furthermore, the expansion mechanism is arranged in the utility model, and comprises a silica gel ring, a plurality of expansion pieces, a sliding ring threadedly connected with the expansion end of the threaded pipe shaft, and an expansion cover sleeved outside the expansion mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0032] Figure 1 A perspective structural schematic view of a prostate dilating device for urology clinical use is disclosed in the present application.

[0033] Figure 2 An exploded structural schematic view of a prostate dilating device for urology clinical use is disclosed in the present application.

[0034] Figure 3 A sectional view of the relevant structure of a tube rod main body and a sleeve of a prostate dilating device for urology clinical use is disclosed in the present application.

[0035] Figure 4 A structural schematic view of the relevant structure of a tube rod main body and a silica gel ring of a prostate dilating device for urology clinical use is disclosed in the present application.

[0036] Figure 5 A structural schematic view of the relevant structure of a dilating piece and a supporting rod of a prostate dilating device for urology clinical use is disclosed in the present application.

[0037] Reference signs:

[0038] 1, tube rod body; 2, dilating mechanism; 21, silica gel ring; 22, dilating piece; 221, dilating piece body; 222, sliding groove plate; 223, clamping groove;

[0039] 23, sliding ring; 231, sliding ring body; 232, supporting rod; 24, supporting lug;

[0040] 3, urine receiving mechanism; 31, urine receiving hopper; 32, pushing structure; 321, sleeve; 322, sealing sleeve ring; 323, spring; 324, push rod; 33, urine hopper body; 34, urine collecting box; 35, urinary catheter; 4, drainage structure; 41, drainage tube; 42, filter screen; 5, threaded tube shaft; 6, hand wheel; 7, dilating cover; 71, connecting sleeve; 72, protective sleeve; 73, annular groove; 74, mounting hole.

[0041] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort fall within the scope of the present application.

[0043] It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0044] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0045] Furthermore, the technical solutions of the various embodiments of the present application can be combined with each other, but must be based on the fact that a person of ordinary skill in the art can implement it, and when the combination of technical solutions appears to be contradictory or unimplementable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0046] Referring to Figures 1-5 The present application provides a prostate dilation device for urology clinical use, which comprises a tube body 1, a dilation mechanism 2 movably arranged at one end of the tube body 1, a urine receiving mechanism 3 slidably sleeved on the outer wall of the middle part of the tube body 1, a drainage structure 4 arranged in the tube body 1, and a dilation cover 7 fixedly arranged at one end of the tube body 1.

[0047] A threaded tube shaft 5 is sleeved in the tube body 1, and the two ends of the threaded tube shaft 5 extend out of the two ends of the tube body 1; the dilation mechanism 2 is arranged at the dilation end of the threaded tube shaft 5 through a threaded pair, and expands outward in the dilation cover 7 with the tube body as the center.

[0048] The urine receiving mechanism 3 comprises a urine receiving hopper 31 sleeved on the outer wall of the tube body 1 and a pushing structure 32 for pushing the urine receiving hopper 31 to move axially along the tube body 1, the urine receiving hopper 31 comprises a urine hopper body 33, a urine collecting tank 34 communicating with the inner cavity of the urine hopper body 33, and a urinary catheter 35 communicating with the urine collecting tank 34.

[0049] In the utility model, the middle part outer wall of the pipe stick body 1 can be slidably sleeved with a urine receiving mechanism 3, the urine receiving mechanism 3 includes a urine receiving hopper 31 and a pushing structure 32 for moving the urine receiving hopper 31 axially along the pipe stick body 1; the arrangement is such that when the prostatic dilatation device is used for treatment, the dilatation cover 7 can be inserted into the prostate of a patient, the pushing structure 32 is located outside the prostate of the patient and does not contact the prostate of the patient, the pushing structure 32 pushes the urine receiving hopper 31 to move, the urine receiving hopper 31 can completely wrap the prostate of the patient, and the urine discharged from the prostate of the patient is collected by the urine collecting box 34 in the urine receiving hopper 31 and is finally discharged through the catheter 35, thereby effectively avoiding the adverse effects of urine leakage of the patient on medical staff during treatment.

[0050] As a preferred embodiment, the pushing structure 32 is slidably arranged on the outer wall of the pipe stick body 1 and includes a sleeve 321 slidably sleeved on the outer wall of the pipe stick body 1, a sealing sleeve ring 322 and a spring 323;

[0051] One end of the sealing sleeve ring 322 extends into the sleeve 321, and the other end is provided with the urine receiving hopper 31;

[0052] The spring 323 is sleeved on the outer wall of the pipe stick body 1 and located in the sleeve 321, one end of the spring 323 abuts against the end face of the extended end of the sealing sleeve ring 322, and the other end of the spring 323 abuts against the inner wall of the end of the sleeve 321 away from the urine receiving hopper 31;

[0053] When the spring 323 is in an extended state, the sealing sleeve ring is pushed to move in the sleeve 321 along the axial direction of the pipe stick body and approach the dilatation end, so that the urine receiving hopper 31 completely wraps the prostate of the patient;

[0054] Specifically, the sealing sleeve ring 322 includes a first sleeve ring segment and a second sleeve ring segment connected in sequence, the outer diameter of the first sleeve ring segment is greater than the outer diameter of the second sleeve ring segment, the first sleeve ring segment extends into the sleeve 321, the end of the urine receiving hopper 31 away from the dilatation end is provided with a mounting groove, and the mounting groove is clamped on the end of the second sleeve ring segment.

[0055] As a preferred embodiment, one end of the sealing sleeve ring 322 fixedly installed in the sleeve 321 is provided with a lever 324, and the outer side of the sleeve 321 is provided with a guide groove for limiting the sliding of the lever 324;

[0056] The lever 324 on the sealing sleeve ring can move in the guide groove of the sleeve 321 and make the sealing sleeve ring only keep axial movement on the pipe stick body and cannot rotate.

[0057] As a preferred embodiment, the drainage structure 4 comprises a drainage tube 41 sleeved in the threaded tube shaft 5, and a filter screen 42 arranged at the expanded end of the threaded tube shaft 5, which is in communication with the drainage tube 41;

[0058] The drainage tube 41 extends to the outside of the threaded tube shaft 5 away from the filter screen 42, the threaded tube shaft 5 is arranged concentrically with the tube rod body and can rotate in the tube rod body, the filter screen 42 can filter the body fluid in the patient's prostate in the expanded cover 7 during use of the device and discharge the body fluid through the drainage tube 41, and the position of the drainage tube 41 is unchanged when the threaded tube shaft 5 rotates;

[0059] The threaded tube shaft 5 away from the expanded end is further provided with a hand wheel 6 for facilitating operation of rotating the threaded tube shaft 5, and the drainage tube 41 extends out of the hand wheel 6 and is connected with a corresponding collection container.

[0060] As a preferred embodiment, the expansion mechanism 2 comprises a silica gel ring 21, a plurality of expansion pieces 22, a sliding ring 23 threadedly connected with the expanded end of the threaded tube shaft 5, and an end of the tube rod body 1 extending into the expanded cover 7 is provided with corresponding supporting ears 24 corresponding to the expansion pieces 22;

[0061] The expansion piece 22 comprises an expansion piece body 221, a sliding groove plate 222 arranged on the inner side of the expansion piece body 221, and a clamping groove 223 arranged on the outer side of the expansion piece body 221; the sliding groove plate 222 is provided with a sliding groove along the length direction of the expansion piece 22;

[0062] A plurality of supporting ears 24 are uniformly distributed along the circumference of the outer wall of the tube rod body 1;

[0063] The sliding ring 23 comprises a sliding ring body 231 and a supporting rod 232 arranged on the outer wall of the sliding ring body 231 corresponding to the supporting ears 24 one by one; one end of the expansion piece 22 is hingedly connected with the supporting ear 24, and the supporting rod 232 is slidably connected with the inner side of the corresponding expansion piece 22;

[0064] Specifically, in the embodiment, the sliding groove plate 222 is arranged perpendicularly to the expansion piece body 221, and the end of the sliding groove plate 222 away from the supporting rod 232 is provided with a hinged seat hingedly connected with the supporting ear 24; during installation, the hinged seat and the supporting ear 24 are connected through a pin shaft; the expansion piece 22 deflects around the pin shaft as the center during work and expands outward around the expanded cover 7 as the center;

[0065] The supporting rod 232 extends outward along the radial direction of the sliding ring body 231, and the end of the supporting rod 232 away from the sliding ring body 231 is provided with a sliding shaft matched with the sliding groove and slidably arranged in the sliding groove of the corresponding expansion piece 22;

[0066] The silica gel ring 21 is clamped in the clamping groove 223 of each expansion sheet 22;

[0067] In this way, rotating the threaded pipe shaft 5 drives the sliding ring 23 to move along the axial direction, and drives the expansion sheet 22 to deflect around the pin shaft through the sliding shaft on the supporting rod 232 to achieve expansion.

[0068] As a preferred embodiment, the expansion cover 7 covers the expansion mechanism 2;

[0069] The expansion cover 7 comprises a connecting sleeve 71 and a protective sleeve 72 integrally connected with the connecting sleeve 71, the outer wall of the protective sleeve 72 is provided with an annular groove 73 and a mounting hole 74 through which the clamping groove 223 passes; the connecting sleeve 71 is used for connecting the expansion end of the pipe rod body 1, and the silica gel ring 21 is slidably arranged in the groove and protrudes out of the groove; during installation, first, one end of the expansion sheet 22 is hingedly connected with the supporting lug 24, then the supporting rod 232 is slidably connected with the inner side of the corresponding expansion sheet 22, and the clamping groove 223 is exposed outside the expansion cover 7 through the mounting hole 74 and is concentrically arranged with the groove, and then the silica gel ring 21 is clamped in the groove and the clamping groove 223; in this way, the silica gel ring 21 is slidably arranged in the groove, and the silica gel ring 21 can expand under the limitation of the clamping groove 223 due to the deflection of the expansion sheet 22, and direct contact between the expansion sheet 22 and the patient's prostate during expansion is avoided, and the physical damage to the patient is reduced.

[0070] In use, by inserting the tube body 1 into the patient's prostate close to one end of the expansion cover 7, and making the sleeve 321 outside the patient's prostate, the extended spring 323 pushes the sealing sleeve to move in the sleeve along the axial direction of the tube body 1, and makes the urine collecting bowl 31 completely wrap the patient's prostate, the urine discharged from the patient's prostate is collected by the urine collecting bowl 31, and is finally discharged through the catheter 35, and in the process, by controlling the push rod 324 in the guide groove in the sleeve 321, the position of the sealing sleeve in the sleeve 321 is manually adjusted, so that the urine collecting bowl 31 connected with the sealing sleeve cannot rotate while keeping axial movement, and the urine collecting bowl 31 is always completely wrapped around the patient's prostate, in the process of inserting into the patient's prostate, the body fluid in the patient's prostate in the expansion cover 7 is filtered through the filter screen 42, and is discharged through the drainage pipe 41, and by rotating the hand wheel 6 on the threaded pipe shaft 5, the sliding ring 23 connected through threads moves along the axial direction of the threaded pipe shaft 5, the expansion sheet 22 is deflected in the expansion cover 7 with the corresponding pin shaft as the center, and expands outward in the expansion cover 7 with the tube body 1 as the center, and the silica gel ring 21 connected through the clamping groove 223 avoids direct contact between the expansion sheet 22 and the patient's prostate in the expansion process, and reduces the physical damage to the patient.

[0071] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, which is made under the inventive concept of the present application, and by using the content of the present application specification and drawings, is included in the patent protection range of the present application.

Claims

1. A prostate dilatation device for urology clinic, characterized in that, it comprises a tube body, a dilatation mechanism movably arranged at one end of the tube body, a urine receiving mechanism slidably sleeved on the outer wall of the middle part of the tube body, a drainage structure arranged in the tube body, and a dilatation cover fixedly arranged at one end of the tube body; a threaded tube shaft is sleeved in the tube body, and the two ends of the threaded tube shaft extend out of the two ends of the tube body; the dilatation mechanism is arranged at the dilatation end of the threaded tube shaft through a threaded pair, and is dilated outward in the dilatation cover with the tube body as the center; the urine receiving mechanism comprises a urine receiving hopper sleeved on the outer wall of the tube body and a pushing structure for pushing the urine receiving hopper to move axially along the tube body, the urine receiving hopper comprises a hopper body, a urine collecting tank communicated with the inner cavity of the hopper body, and a urinary catheter communicated with the urine collecting tank.

2. The prostatic dilating device for urological surgery according to claim 1, wherein the pushing structure is slidably arranged on the outer wall of the tube body, and comprises a sleeve slidably sleeved on the outer wall of the tube body, a sealing sleeve ring, and a spring; one end of the sealing sleeve ring extends into the sleeve, and the other end is provided with the urine receiving hopper; the spring is sleeved on the outer wall of the tube body and located in the sleeve, one end of the spring abuts against the end face of the extending end of the sealing sleeve ring, and the other end of the spring abuts against the inner wall of the end of the sleeve away from the urine receiving hopper.

3. The prostatic dilating device for urological surgery according to claim 2, wherein one end of the sealing sleeve ring located in the sleeve is fixedly provided with a push rod, and the outer side of the sleeve is provided with a guide groove for realizing limited sliding of the push rod.

4. The prostatic dilating device for urological surgery according to any one of claims 1 to 3, wherein the drainage structure comprises a drainage tube sleeved in the threaded tube shaft and a filter screen arranged at the dilatation end of the threaded tube shaft, and the filter screen is communicated with the drainage tube; the end of the threaded tube shaft away from the dilatation end is further provided with a hand wheel for facilitating operation of rotating the threaded tube shaft, and the drainage tube extends out of the hand wheel and is connected with a corresponding collecting container.

5. The prostatic dilating device for urological surgery according to any one of claims 1 to 3, wherein the dilatation mechanism comprises a silica gel ring, a plurality of dilatation pieces, a sliding ring threadedly connected with the dilatation end of the threaded tube shaft, and a plurality of supporting ears arranged on the outer wall of the dilatation end of the tube body; the plurality of supporting ears are uniformly distributed along the outer wall of the tube body; the sliding ring comprises a sliding ring body and a supporting rod arranged on the outer wall of the sliding ring body and corresponding to the supporting ears; one end of the dilatation piece is hingedly connected with the supporting ear, and the supporting rod is slidably connected with the inner side of the corresponding dilatation piece; the side of the dilatation piece away from the supporting rod is provided with a clamping groove, and the silica gel ring is clamped in the clamping grooves of the plurality of dilatation pieces.

6. The prostatic dilating device for urological surgery according to claim 5, wherein the dilatation cover covers the dilatation mechanism; it comprises a connecting sleeve and a protective sleeve integrally connected with the connecting sleeve, the outer wall of the protective sleeve is provided with an annular groove, and the protective sleeve is further provided with a mounting hole through which the clamping groove passes; the silica gel ring is slidably arranged in the groove and protrudes out of the groove.

7. The prostatic dilating device for urological surgery according to claim 5, wherein the dilatation piece comprises a dilatation piece body and a sliding groove plate arranged on the inner side of the dilatation piece body; the sliding groove plate is provided with a sliding groove along the length direction of the dilatation piece, and the end of the supporting rod away from the sliding ring body is provided with a sliding shaft matched with the sliding groove for sliding; and the clamping groove is arranged on the outer side of the dilatation piece body.

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