CN119548259A - A positioning device for minimally invasive surgery in urology - Google Patents

Abstract

The invention provides positioning equipment for minimally invasive surgery in urinary surgery, and belongs to the technical field of medical equipment. Comprises a urethra external positioning mechanism, wherein the urethra external positioning mechanism comprises a protective cover which is covered on the genital organ of a female patient. According to the invention, the external urethra positioning mechanism is arranged to protect the genital organs of female patients, so that psychological discomfort of female patients is avoided, meanwhile, the external urethra position of female patients can be positioned, in addition, the urethra and peripheral position of female patients can be protected after operation, discomfort caused by clothes contact is avoided, the infection of the urethra caused by blood and excrement which infect clothes is avoided, the infection caused by hand touch of patients is avoided, the internal urethra positioning mechanism is arranged to position the internal urethra, the injury of the joint of the urethra and the bladder caused by the traction of a cutter is avoided, the focus can be positioned, the size of the storage cavity is adjusted according to the size of the focus, the focus is further prevented from being dissociated in the bladder after the treatment, and the focus body after the treatment can be further assisted by the cutter collection.

Description

Positioning equipment for minimally invasive surgery of urinary surgery

Technical Field

The invention relates to the technical field of medical equipment, in particular to positioning equipment for minimally invasive surgery in urinary surgery.

Background

Existing urological minimally invasive procedures fall into a variety of categories, with female bladder procedures generally being positioned as follows: firstly, a female patient lies on a specific bed, the legs of the female patient are placed on a placement frame, so that the legs of the female patient can be separated and limited, further, the genital organs of the female are expanded, the urethra is further shown, a doctor can visually observe the position of the urethra, and the purpose of positioning the urethra is obtained, secondly, the female patient lies on a common bed body, the legs are opened, the doctor can search the urethra by pulling out the genital organs of the female patient, and then the female patient can position the urethra in the two ways, but the female patient can close the root parts of the thighs due to tension or shame in the process, further, the genital organs are closed to a certain extent, so that the urethra is blocked, the positioning of the urethra by the doctor is further influenced, the doctor can not touch the private part when pulling out the urethra, which can cause discomfort of female patients, and the positioning catheter or the expansion balloon is usually placed when positioning the inside of the urethra, however, when using the expansion balloon, the expansion balloon can shield part of the bladder, the surgical knife can perform surgery at the position and the periphery, if using the positioning catheter, the positioning catheter can also shield part when going deep into the bladder, if the positioning catheter is positioned at the joint of the urethra and the bladder, the knife can cause injury at the joint of the urethra and the bladder in the back and forth traction process, in addition, the focus can not be positioned when being processed, the focus can be dissociated in the bladder due to misoperation when being separated from the bladder, and further the processing can be difficult, therefore, the application provides a positioning device for minimally invasive urology surgery to meet the requirements.

Disclosure of Invention

The invention aims to solve the technical problems that the existing positioning equipment for the minimally invasive surgery of the urinary surgery is inconvenient to operate when the female bladder surgery is performed for positioning outside the urethra, discomfort is caused to female patients, a positioning catheter or an expansion balloon is usually placed when the female bladder is positioned for positioning inside the urinary bladder, however, when the expansion balloon is used, the expansion balloon can shield part of the bladder, a surgical knife can cover the part and the periphery of the bladder, if the positioning catheter is used, the positioning catheter can be partially shielded when the positioning catheter goes deep into the bladder, for example, the positioning catheter is positioned at the joint of the urethra and the bladder, the knife can cause injury of the joint of the urethra and the bladder in the back and forth traction process, in addition, the positioning cannot be performed when the focus is processed, the focus can be free in the bladder due to misoperation when the focus is separated from the bladder, and further processing is difficult.

In order to solve the technical problems, the invention provides the following technical scheme:

A minimally invasive surgery positioning device for urinary surgery comprises a urethra external positioning mechanism, wherein the urethra external positioning mechanism comprises a protective cover which covers a genital organ of a female patient, a urethra positioning hole is formed in the outer side wall of the protective cover, a sealing ring which is attached to the peripheral skin of the genital organ of the female patient is fixedly connected to the opening end of the protective cover, a water pocket plate which is attached to the skin below the genital organ of the female patient is fixedly connected to the sealing ring, a blanking pipe which is communicated with the lower end of the protective cover is fixedly connected to the lower end of the protective cover, a pair of universal balls which are symmetrically arranged are fixedly connected to the outer wall of the protective cover, a fixing plate is fixedly connected to the universal balls, a clamping plate which is used for being clamped to legs is fixedly connected to the fixing plate, a protective pad which is attached to the skin of the legs is fixedly connected to the inner end of the sealing ring, and a reverse flow preventing ring is fixedly connected to the inner end of the protective cover, and the urethra internal positioning mechanism is used for positioning and protecting the urethra of the female patient, and the urethral intubation assembly is connected with the protective cover.

Optionally, the sealing washer the protection pad and prevent that the reverse flow circle is made for the rubber material, the protection casing is made for reversible plastic material, the sealing washer is U-shaped annular setting, the sealing washer with prevent that the inside diapire of reverse flow circle all is the slope form setting, the water pocket board is V font form and evagination indent setting.

Optionally, the fixed plate is made of hard material, the clamping plate is made of elastic material, a pair of weakening grooves symmetrically arranged are formed in the clamping plate, and the fixed plate and the clamping plate are all arranged in a C shape.

Optionally, the urethra cannula subassembly includes peg graft in the barrel in the urethra locating hole, the tube hole has all been seted up at the both ends of barrel, one of them tube hole internal fixation has the intubate, a pair of sliding hole that the symmetry set up has been seted up to the lateral wall of barrel.

Optionally, the locating component include sliding connection in ring in the barrel, set up in a set of draw-in groove on the barrel, and the cover is located outer loop on the barrel, sliding connection has fixedly connected with in the ring with the slider between the outer loop in the sliding hole, the arc hole has been seted up at the top of outer loop, be equipped with in the arc hole with the movable plate that the barrel outer wall laminated mutually, the inside wall fixedly connected with of movable plate with a set of fixture block of draw-in groove joint, the lateral wall of outer loop peg graft through the bolt hole have with movable plate outer wall fixed connection's T shape pole, be equipped with the cover in the arc hole and locate spring on the T shape pole, the spring with movable plate and outer loop fixed connection.

Optionally, the positioning assembly further comprises a traction barrel arranged in the barrel and fixedly connected with the circular ring, and an external thread barrel connected to one end of the insertion pipe in a threaded mode, wherein one end of the external thread barrel is fixedly connected with a plurality of external expansion sheet bodies distributed in a circumferential array, the external thread barrel and the external expansion sheet bodies are fixedly sleeved with external protection sleeves, one end of the traction barrel is fixedly connected with a group of traction ropes penetrating through the insertion pipe and the external protection sleeves, and the traction ropes are fixedly connected with the external expansion sheet bodies.

Optionally, the outer protective sleeve is made of rubber materials, a plurality of weakening groove bodies are formed in the outer side wall of the outer protective sleeve, and the weakening groove bodies are aligned with gaps between two adjacent outer expansion sheet bodies.

Optionally, the external thread cylinder and the external expansion sheet body are of an integrated structure, the external thread cylinder is made of hard materials, and the external expansion sheet body is provided with a weakening section.

Optionally, the cannula is made of a deformable material.

Optionally, the clamping plate is provided with a plurality of first process holes, the fixing plate is provided with a second process hole communicated with the first process holes, and the protection pad is provided with a third process hole communicated with the first process holes.

Compared with the prior art, the invention has at least the following beneficial effects:

In the scheme, by arranging the urethra external positioning mechanism, the female patient genital organ is protected, so that psychological discomfort of the female patient caused by touching of a doctor is avoided, meanwhile, the position outside the urethra of the female patient can be positioned, accurate operation of the doctor is further facilitated, in addition, the urethra and the peripheral position can be protected after operation, discomfort caused by touching clothes is avoided, infection of the urethra caused by blood and excrement which infect the clothes is avoided, and meanwhile, infection caused by touching of the hand of the patient is also avoided.

By arranging the urethra internal positioning mechanism, the invention not only can position the urethra internal, but also can prevent the connecting position of the urethra and the bladder of a female patient from being injured in the back and forth traction process of the cutter, can position the focus, can adjust the size of the containing cavity according to the size of the focus, further can prevent the focus from being dissociated in the bladder after treatment, and further can assist the cutter to collect the focus body after treatment.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the invention.

FIG. 1 is a schematic view of a first perspective of a positioning device for urology minimally invasive surgery;

FIG. 2 is a schematic view of a second perspective of a positioning device for urological minimally invasive surgery;

FIG. 3 is a schematic view of a third perspective of a positioning device for urological minimally invasive surgery;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;

figure 5 is a schematic view of a cross-sectional, perspective, enlarged configuration of the internal urethral positioning mechanism;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5B;

FIG. 7 is an enlarged schematic view of FIG. 5 at C;

Fig. 8 is a schematic view of a three-dimensional enlarged structure of the matching of the external thread cylinder and the external expansion sheet body.

Reference numerals:

1. the external urethra positioning mechanism, 11, the protective cover, 12, the sealing ring, 13, the water pocket plate, 14, the blanking pipe, 15, the fixed plate, 16, the splint, 17, the protective pad, 18, the universal ball, 19, the anti-reflux ring, 2, the internal urethra positioning mechanism, 21, the urethra cannula component, 211, the barrel, 212, the cannula, 213, the sliding hole, 22, the positioning component, 221, the external thread barrel, 222, the external protective sleeve, 223, the external expansion sheet body, 224, the traction rope, 225, the traction barrel, 226, the circular ring, 227, the external ring, 228, the movable plate, 229 and the T-shaped rod.

Specific structures and devices are labeled in the drawings to enable clear implementation of embodiments of the invention, but this is merely illustrative and is not intended to limit the invention to the specific structures, devices and environments that may be modified or adapted by those of ordinary skill in the art, based on the specific needs.

Detailed Description

The invention provides a positioning device for minimally invasive urology surgery, which is described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in detail in order to make the embodiments more detailed, the following embodiments are preferred and can be embodied in other forms as well known to those skilled in the art, and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention to the specific forms disclosed herein.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.

It is to be understood that the meaning of "on," "above," "over" and "above" in the present invention should be read in the broadest manner so that "on" means not only "directly on" but also includes "on" something with intervening features or layers therebetween, and "on" or "above" means not only "on" or "over" but also may include the meaning of "on" or "over" it without intervening features or layers therebetween.

Furthermore, spatially relative terms such as "under," "below," "lower," "above," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.

As shown in fig. 1 to 8, the embodiment of the invention provides a positioning device for minimally invasive surgery of urinary surgery, comprising a urethra external positioning mechanism 1, wherein the urethra external positioning mechanism 1 comprises a protective cover 11 covering the genital organs of female patients, protecting the female privacy and preventing the injection of blood and excreta, the outer side wall of the protective cover 11 is provided with a urethra positioning hole, in order to facilitate positioning of the urethra of female patients, the opening end of the protective cover 11 is fixedly connected with a sealing ring 12 which is jointed with the peripheral skin of the genital organs of female patients, in order to increase the sealing performance of the protective cover 11 jointed with the skin of the patients, the sealing ring 12 is fixedly connected with a water-pocket plate 13 jointed with the skin below the genital organs of female patients, in order to facilitate blocking the blood and excreta, and avoid polluting the body and the working bed of female patients due to the downward flow of the blood and excreta, the lower end of the protective cover 11 is fixedly connected with a blanking pipe 14 communicated with the protective cover, in order to facilitate the collection of blood and excrement, a pair of universal balls 18 which are symmetrically arranged are fixedly connected on the outer wall of the protective cover 11, a fixing plate 15 is fixedly connected on the universal ball heads of the universal balls 18, a clamping plate 16 which is used for being clamped on the legs is fixedly connected in the fixing plate 15, the protective cover 11 is positioned in order to be assisted by the arrangement of the universal balls 18, the fixing plate 15 and the clamping plate 16, the protective pad 17 which is used for being attached to the skin of the legs is fixedly connected in the clamping plate 16, in order to improve the comfort of being attached to the legs, an anti-reflux ring 19 is fixedly connected at the inner end of the sealing ring 12, the protective pad 17 and the anti-reflux ring 19 are made of rubber materials, the protective cover 11 is made of reversible plastic materials, the sealing ring 12 is in a U-shaped annular arrangement, the sealing washer 12 all is the slope form setting with the inside diapire of preventing the backward flow circle 19, for the blood of being convenient for and excrement water conservancy diversion, the pocket water board 13 is V font form and evagination indent setting, avoid blood and excrement to leak, fixed plate 15 is made for hard material, for the fixed of splint 16 of being convenient for, splint 16 is made for elastic material, for the joint in women patient shank of being convenient for, a pair of weakening groove of symmetry setting has been seted up on the splint 16, for the splint 16 deformation of being convenient for, the different women patient shank of further adaptation uses, fixed plate 15 and splint 16 are C shape setting, a plurality of first technology holes have been seted up on the splint 16, the second technology hole that is linked together with first technology hole has been seted up on the fixed plate 15, the third technology hole that is linked together with first technology hole has been seted up on the protection pad 17, the setting through first technology hole, second technology hole and third technology hole is in order to be convenient for ventilate, the comfort level of using is improved.

Through arranging the urethra external positioning mechanism 1, when in use, firstly the splint 16 is broken, the splint 16 deforms through the part of the weakening groove, then is clamped on the inner side of the thigh of a female patient, the protective pad 17 is attached to the inner side of the thigh of the female patient, the splint 16 is released, the splint 16 is restored to the original position, the protective pad 17 is further clamped on the thigh of the female patient, simultaneously, the protective cover 11 is pushed to move towards the genital organ of the female patient, the universal ball 18 is further rotated, the protective cover 11 is further covered on the genital organ of the female patient, the sealing ring 12 is attached to the skin around the genital organ of the female patient, the water-holding plate 13 is attached to the skin below the genital organ of the female patient, when the protective cover 11 is continuously pushed to move, the sealing ring 12 is outwards expanded, the skin around the genital organ of the female patient is pulled to be outwards expanded when the sealing ring 12 is expanded, the genital organs of female patients can be opened in the process, the urethra is further exposed, the urethra is slightly expanded, when the protective cover 11 is pushed to a proper position, the push is stopped, the urethra positioning hole is opposite to the position of the urethra of female patients, in the operation process, for example, blood and excrement are sprayed or discharged, part of sprayed blood and excrement can directly enter the protective cover 11, part of blood and excrement can enter the protective cover 11 along the anti-reflux ring 19, the anti-reflux ring 19 simultaneously avoids the reflux of the blood and excrement, when the urethra is inserted into the urethra internal positioning mechanism 2, the protective cover 11 can be pressed firstly, the protective cover 11 is deformed, the urethra positioning hole is further attached to the skin around the urethra, the operation of a doctor on the urethra is further facilitated, the invention not only protects the genital organs of female patients, avoids the psychological discomfort of female patients caused by the touch of doctors, but also positions the urethra of female patients, further facilitates the accurate operation of doctors, protects the urethra and the peripheral positions after operation, avoids the discomfort caused by the contact of clothes, avoids the infection of the urethra caused by the blood and excrement which infect the clothes, and also avoids the infection caused by the touch of hands of patients.

As shown in fig. 3, 5-8, the internal urethral positioning mechanism 2 is used for positioning and protecting female urethra, the internal urethral positioning mechanism 2 is connected with the protective cover 11, the internal urethral positioning mechanism 2 comprises a urethral catheterization assembly 21 and a positioning assembly 22 which are connected, and the urethral catheterization assembly 21 is connected with the protective cover 11.

The urethral catheterization assembly 21 comprises a cylinder 211 inserted in a urethral positioning hole, catheterization holes are formed in two ends of the cylinder 211, a catheterization 212 is fixedly connected in one catheterization hole, the catheterization 212 is made of deformable materials, a pair of sliding holes 213 are formed in the outer side wall of the cylinder 211, the positioning assembly 22 comprises a circular ring 226 which is connected in the cylinder 211 in a sliding mode, a group of clamping grooves are formed in the cylinder 211, an outer ring 227 is sleeved on the cylinder 211, a sliding block which is fixedly connected between the circular ring 226 and the outer ring 227 is connected in a sliding mode in the sliding holes 213, an arc-shaped hole is formed in the top of the outer ring 227, a movable plate 228 attached to the outer wall of the cylinder 211 is arranged in the arc-shaped hole, a group of clamping blocks connected with the clamping grooves in a clamping mode are fixedly connected to the inner side wall of the movable plate 228 in a fixed mode, a spring which is sleeved on the T-shaped rod 229 is arranged in the arc-shaped hole in a sleeved mode, and the spring is fixedly connected with the movable plate 228 and the outer ring 227.

The positioning assembly 22 further comprises a traction cylinder 225 which is arranged in the cylinder 211 and fixedly connected with the circular ring 226, and an external thread cylinder 221 which is connected in one end of the insertion tube 212 in a threaded mode, wherein one end of the external thread cylinder 221 is fixedly connected with a plurality of external expansion sheet bodies 223 which are distributed in a circumferential array, the external thread cylinder 221 and the external expansion sheet bodies 223 are of an integrated structure, the external thread cylinder 221 is made of hard materials, the external expansion sheet bodies 223 are provided with weakening sections, the external thread cylinder 221 and the plurality of external expansion sheet bodies 223 are fixedly sleeved with an external protection sleeve 222, the external protection sleeve 222 is made of rubber materials, one end outer wall of the external protection sleeve 222 is arranged in an inclined mode, a plurality of weakening groove bodies are formed in the outer side wall of the external protection sleeve 222, gaps between the weakening groove bodies and the two adjacent external expansion sheet bodies 223 are aligned, one end of the traction cylinder 225 is fixedly connected with a group of traction ropes 224 which penetrate through the insertion tube 212 and the external protection sleeve 222, and the traction ropes 224 are fixedly connected with the external expansion sheet bodies 223.

By arranging the positioning mechanism 2 inside the urethra, in the use process, if the urethra is expanded outwards, a doctor can further pull out the urethra, insert the outer protective sleeve 222 into the urethra through the urethra positioning hole, push the cylinder 211 to move, further enable the outer protective sleeve 222 to move along the urethra, further enable the insertion tube 212 to enter the urethra, stop when the outer protective sleeve 222 enters the bladder, further enable the cylinder 211 to be clamped in the urethra positioning hole, then pull the T-shaped rod 229, the T-shaped rod 229 can drive the movable plate 228 to move, further enable the spring to be extruded, further enable the clamping block to be removed from the clamping groove, at the same time, pull the outer ring 227 to move on the cylinder 211, enable the sliding block and the circular ring 226 to move, enable the traction tube 225 to move, further enable the traction rope 224 to be pulled, further enable the outer expansion sheet 223 to deform and overturn by taking the weakened section as a base point, the outer protective sleeve 222 is driven to turn over, the weakened groove body is stretched, when the outer protective sleeve 222 rotates by a certain angle, the pulling of the outer ring 227 is stopped, the T-shaped rod 229 is released, the spring pushes the movable plate 228 to restore to the original position, the clamping block is clamped with the clamping groove again, the outer protective sleeve 222 and the outer expansion sheet 223 turn over by a certain angle to be fixed, the cutter is convenient to enter the urethra, if the focus position is required to be positioned, the cutter is directly inserted without turning over the outer protective sleeve 222 when the outer protective sleeve 222 enters the urethra, when the cutter enters the outer expansion sheet 223, the inner convex part of the weakened section is clung to the outer wall of the cutter, then the cutter is rotated, the outer expansion sheet 223 is driven to rotate, the outer thread cylinder 221 is further separated from the insertion tube 212, and then the cutter is directly inserted into the urethra, the outer protective sleeve 222 and the outer expansion sheet 223 are turned over, so that the outer protective sleeve 222 forms a storage cavity, and the outer protective sleeve 222 is driven to move when the cutter moves, so that the storage cavity covers the focus, the invention can position the urethra, meanwhile, the injury of the joint of the urethra and the bladder of the female patient in the back and forth traction process of the cutter can be avoided, the focus can be positioned, the size of the storage cavity can be adjusted according to the size of the focus, the focus is further prevented from being dissociated in the bladder after treatment, and the cutter can be further assisted to collect the treated focus body.

The technical scheme provided by the invention has the following working principle: when in use, the clamping plate 16 is firstly broken to deform through the part of the weakening groove, then is clamped on the inner side of the thigh of a female patient, the protective pad 17 is attached to the inner side of the thigh of the female patient, the breaking of the clamping plate 16 is released, the clamping plate 16 is restored to the original position, the protective pad 17 is further clamped on the thigh of the female patient, simultaneously, the protective cover 11 is pushed to move towards the genital organ of the female patient, the universal ball 18 is further rotated, the protective cover 11 is further covered on the female patient's genital organ, the sealing ring 12 is attached to the skin around the female patient's genital organ, the water-collecting plate 13 is attached to the skin below the female patient's genital organ, and when the protective cover 11 is continuously pushed to move, the sealing ring 12 can be outwards expanded, when the sealing ring 12 is expanded, the skin around the genital organs of the female patient can be pulled to be outwards expanded, the genital organs of the female patient can be opened in the process, the urethra can be further exposed, at the same time, the urethra is slightly expanded, when the protective cover 11 is pushed to a proper position, the pushing is stopped, and the urethra positioning hole is positioned against the urethra of the female patient, during operation, such as spraying or flowing out of blood and excrement, part of sprayed blood and excrement can directly enter the protective cover 11, part of blood and excrement can enter the protective cover 11 along the anti-reflux ring 19, the anti-reflux ring 19 also prevents the blood and excrement from flowing back, when the urethra is inserted into the urethra internal positioning mechanism 2, the protective cover 11 can be pressed first, so that the protective cover 11 is deformed, and the urethra positioning hole is further attached to the skin around the urethra.

After the urethra is expanded slightly, if the doctor can further pull out the urethra, insert the outer protective sleeve 222 into the urethra through the urethra positioning hole, push the cylinder 211 to move, further move the outer protective sleeve 222 along the urethra, further enable the insertion tube 212 to enter the urethra, stop when the outer protective sleeve 222 enters the bladder, further enable the cylinder 211 to be clamped in the urethra positioning hole, pull the T-shaped rod 229, the T-shaped rod 229 can drive the moving plate 228 to move, further enable the spring to be extruded, further enable the clamping block to be removed from the clamping groove, at the same time, pull the outer ring 227 to move on the cylinder 211, the outer ring 227 can drive the sliding block and the circular ring 226 to move, the circular ring 226 can drive the traction tube 225 to move, further enable the traction rope 224 to be pulled, further enable the outer expansion sheet 223 to deform and overturn by taking the weakened section as a base point, and also drive the outer protective sleeve 222 to overturn, simultaneously, the weakening groove body is stretched, when the weakening groove body rotates by a certain angle, the pulling of the outer ring 227 is stopped, the T-shaped rod 229 is released, the spring pushes the movable plate 228 to restore to the original position, the clamping block is clamped with the clamping groove again, the outer protective sleeve 222 and the outer expansion sheet 223 are overturned by a certain angle to be fixed, the cutter is convenient to enter the urethra, if the focus position is required to be positioned, the cutter is directly inserted into the cutter without overturning the outer protective sleeve 222 when the outer protective sleeve 222 enters the urethra, when the cutter enters the outer expansion sheet 223, the convex part in the weakening section is clung to the outer wall of the cutter, then the cutter is rotated, the outer expansion sheet 223 is driven to rotate, the outer thread cylinder 221 is further separated from the insertion tube 212, and then the outer protective sleeve 222 and the outer expansion sheet 223 are overturned through the operation, the outer protective sleeve 222 forms a receiving cavity, and the cutter moves to drive the outer protective sleeve 222 to move, so that the receiving cavity covers the focus.

The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (10)

1. The utility model provides a little invasive surgery positioning device of uropoiesis surgery, its characterized in that includes the outside positioning mechanism of urethra, the outside positioning mechanism of urethra includes the protection casing that covers on female patient's genitals, the urethra locating hole has been seted up to the protection casing lateral wall, the open end fixedly connected with of protection casing is with the sealing washer that laminates with female patient's genitals peripheral skin mutually, fixedly connected with on the sealing washer is laminated female patient's genitals below skin's the pocket plate, fixedly connected with is linked together with the unloading pipe of its lower extreme of protection casing, fixedly connected with a pair of universal ball of symmetry setting on the outer wall of protection casing, fixedly connected with fixed plate on the universal ball of universal ball, fixedly connected with is used for the joint in the splint of shank, fixedly connected with is laminated the protection pad that shank skin was used in the splint, the inner fixedly connected with of sealing washer is prevented the backward flow circle;

the inner urethra positioning mechanism is used for positioning and protecting female urethra, and is connected with the protective cover;

the urethra internal positioning mechanism comprises a urethra cannula component and a positioning component which are connected, and the urethra cannula component is connected with the protective cover.

2. The positioning device for minimally invasive urological surgery according to claim 1, wherein the sealing ring, the protection pad and the anti-reflux ring are made of rubber materials, the protection cover is made of reversible plastic materials, the sealing ring is in a U-shaped annular arrangement, the sealing ring and the inner bottom wall of the anti-reflux ring are all in an inclined arrangement, and the water pocket plate is in a V-shaped arrangement and is arranged in a convex and concave arrangement.

3. The positioning device for minimally invasive urological surgery according to claim 1, wherein the fixing plate is made of a hard material, the clamping plate is made of an elastic material, a pair of weakening grooves are symmetrically formed in the clamping plate, and the fixing plate and the clamping plate are both arranged in a C shape.

4. The urological minimally invasive surgery positioning device according to claim 1, wherein the urethral catheterization assembly comprises a barrel inserted into the urethral positioning hole, catheterization holes are formed in two ends of the barrel, a catheterization is fixedly connected in one catheterization hole, and a pair of symmetrically arranged sliding holes are formed in the outer side wall of the barrel.

5. The positioning device for minimally invasive urological surgery according to claim 4, wherein the positioning assembly comprises a circular ring which is connected in a sliding manner in the cylinder body, a group of clamping grooves which are formed in the cylinder body, and an outer ring which is sleeved on the cylinder body, wherein a sliding block which is fixedly connected between the circular ring and the outer ring is connected in a sliding manner in the sliding hole, an arc-shaped hole is formed in the top of the outer ring, a movable plate which is attached to the outer wall of the cylinder body is arranged in the arc-shaped hole, a group of clamping blocks which are clamped with the clamping grooves are fixedly connected to the inner side wall of the movable plate, a T-shaped rod which is fixedly connected with the outer wall of the movable plate is inserted into the outer side wall of the outer ring through a pin hole, and a spring which is sleeved on the T-shaped rod is arranged in the arc-shaped hole and is fixedly connected with the movable plate and the outer ring.

6. The positioning device of claim 5, wherein the positioning assembly further comprises a traction tube disposed in the tube and fixedly connected with the circular ring, and an external thread tube screwed in one end of the cannula, one end of the external thread tube is fixedly connected with a plurality of external expansion sheets distributed in a circumferential array, the external thread tube and the plurality of external expansion sheets are fixedly sleeved with an external protective sleeve, one end of the traction tube is fixedly connected with a traction rope penetrating through one group of the cannula and the external protective sleeve, and the traction rope is fixedly connected with the external expansion sheets.

7. The urological minimally invasive surgical positioning apparatus according to claim 6, wherein the outer protective sleeve is made of rubber material, and a plurality of weakened slots are formed in an outer sidewall of the outer protective sleeve, and the weakened slots are aligned with gaps between two adjacent outer expansion plates.

8. The positioning device for minimally invasive urological surgery according to claim 6, wherein the external thread cylinder and the external expansion sheet body are integrally structured, the external thread cylinder is made of hard materials, and the external expansion sheet body is provided with a weakening section.

9. The urological minimally invasive surgical positioning apparatus of claim 4, wherein the cannula is made of a deformable material.

10. The positioning device for minimally invasive urological surgery according to claim 1, wherein the clamping plate is provided with a plurality of first process holes, the fixing plate is provided with a second process hole communicated with the first process holes, and the protection pad is provided with a third process hole communicated with the first process holes.