CN213309964U

CN213309964U - Surgical instrument for taking out polyp of prostate

Info

Publication number: CN213309964U
Application number: CN202021721409.XU
Authority: CN
Inventors: 王�忠; 占明; 徐欢; 陈彦博; 谷猛
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-01
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a surgical instrument for taking out polyp of prostate, which comprises a connecting rod used for entering the body through a urethroscope, wherein one end of the connecting rod is provided with a fetching bag, a bracket is arranged along the upper edge of the fetching bag, the bracket penetrates into the connecting rod, and the end part of the bracket penetrates out from the other end of the connecting rod; when the stent is tightened at the other end, the fetching bag at one end is contracted and pulled to cut out the prostatic polyps in the fetching bag. The surgical instrument for taking out the prostatic polyps can rapidly and synchronously cut and recover the prostatic polyps, and lays a foundation for the research of pathology and pathogenesis in the operation of benign prostatic hyperplasia patients.

Description

Surgical instrument for taking out polyp of prostate

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a surgical instrument for taking out polyp of prostate.

Background

Benign prostatic hyperplasia is a disease of middle-aged and elderly men which gradually occurs with the aging, and transurethral holmium laser enucleation of prostate is the main surgical procedure for benign prostatic hyperplasia at present.

At present, a clinician mainly digs out prostatic polyps by using holmium laser, then flushes the prostatic polyps into the bladder by using water, and then takes out the prostatic polyps or flushes the prostatic polyps out along with liquid in the bladder after pulling out a urethroscope by using special bladder grasping forceps. This mode of operation allows the resected polyp of the prostate to slide into the bladder, which is difficult to grasp with graspers and is not suitable for larger polyps; after the urethroscope is pulled out, polyps are not necessarily flushed out along with liquid in the bladder or directly blocked in the lower urethra, and are difficult to take out quickly for inspection. Both methods have low accuracy, require multiple operations, delay operation, prolong operation time and cause inconvenience.

Therefore, how to provide a surgical instrument for retrieving a prostatic polyp which can cut and recover the prostatic polyp is a technical problem which needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a surgical instruments for taking out polyp of prostate can be fast and synchronous excision and retrieve polyp of prostate, lays a good foundation for pathology and pathogenesis research in the benign prostatic hyperplasia patient art.

In order to achieve the above object, the present invention provides a surgical instrument for taking out polyp of prostate, comprising a connecting rod for entering into the body through a urethroscope, wherein one end of the connecting rod is provided with a fetching bag, a bracket is arranged along the upper edge of the fetching bag, the bracket penetrates into the connecting rod, and the end part of the bracket penetrates out from the other end of the connecting rod;

when the stent is tightened at the other end, the fetching bag at one end is contracted and pulled to cut out the prostatic polyps in the fetching bag.

Preferably, including having the handle of the stiff end and the expansion end of rotating the connection, the stiff end with the connecting rod links to each other, the expansion end with the support links to each other, through the expansion end is relative the stiff end rotates in order to realize the taut of support.

Preferably, the fixed end and the movable end are provided with holding holes for stably holding by hands at the lower parts.

Preferably, the object fetching bag is detachably connected with the connecting rod.

Preferably, a detachable connecting buckle is arranged between the object taking bag and the connecting rod.

Preferably, the object fetching bag is a funnel-shaped object fetching bag, the upper edge of the funnel-shaped object fetching bag is annular, and the support is an annular steel wire support.

Compared with the prior art, the surgical instrument for taking out the prostatic polyps provided by the utility model comprises a connecting rod, a bracket and a fetching bag, wherein the connecting rod is used for entering the prostate of a patient through the urethroscope, one end of the connecting rod, namely the end part which enters the body, is provided with a material taking bag, the upper edge of the material taking bag is provided with a bracket in a penetrating way, the bracket penetrates into the connecting rod and penetrates out from the other end of the connecting rod, namely the end part which does not enter the body is the end part of the bracket, the bracket is tightened at the end part outside the body, the fetching bag at the end part inside the body is contracted under the driving of the bracket, the caliber of the contracted fetching bag is reduced and even sealed, the surgical instrument is pulled, under the action of the pulling force, the upper edge of the object-taking bag cuts the prostatic polyp which falls into the object-taking bag, can rapidly and synchronously excise and recover the prostatic polyp, and lays a foundation for the research of pathology and pathogenesis in the operation of benign prostatic hyperplasia patients.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a surgical instrument for removing prostatic polyps according to an embodiment of the present invention;

FIG. 2 is a schematic view of a prior art urethroscope configuration;

fig. 3 is a schematic structural diagram of a urethroscope foreign body grasping forceps in the prior art.

Wherein:

1-urethroscope, 2-grabbing handle, 3-forceps head, 4-fetching bag, 5-bracket, 6-connecting buckle, 21-handle and 22-connecting rod.

Detailed Description

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

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a surgical instrument for removing prostatic polyps according to an embodiment of the present invention, fig. 2 is a schematic structural view of a urethroscope in the prior art, and fig. 3 is a schematic structural view of a foreign object grasping forceps of a urethroscope in the prior art.

Benign prostatic hyperplasia is a disease of middle-aged and old men which gradually occurs with the age, and is characterized in that prostatic epithelium and matrix tissue hyperplasia are taken as main pathological symptoms, and the pathological symptoms comprise lower urinary tract symptoms such as frequent micturition, urgent micturition, thin and weak urine flow, endless dripping, difficulty in progressive urination, acute urine retention and the like, and even serious patients can induce urinary system calculus, renal failure, cardiovascular and cerebrovascular diseases. In recent years, with the aging of the population of our society, the incidence of benign prostatic hyperplasia/lower urinary tract symptoms tends to increase year by year, and the benign prostatic hyperplasia/lower urinary tract symptoms become the most common diseases of the current urological andrology.

The benign prostatic hyperplasia patients without obvious symptoms at the early stage only need clinical observation and waiting, but most patients can progress to the moderate and severe lower urinary tract symptoms over time and finally need clinical intervention treatment, and the surgical operation is the best scheme for eliminating the symptoms and achieving radical treatment. Transurethral holmium laser enucleation of prostate is the main operation formula of benign prostatic hyperplasia surgery at present, and under urethroscope 1, the hyperplasia prostate is pushed into the bladder after being excised by holmium laser, finally smashes and takes out. During the operation, polyps exist in the prostate frequently, for example, the polyps can be completely and quickly taken out, so that the method has great value for examining the properties of the polyps in the freezing pathology in the operation to determine a further treatment scheme, and has important significance for clarifying the pathogenesis of benign prostatic hyperplasia through a polyp-related molecular biological experiment. Therefore, it is necessary to develop a surgical instrument capable of rapidly recovering the resected polyp of prostate during the operation.

In the structural schematic diagrams of the urethroscope 1 shown in fig. 2 and the urethroscope foreign body grasping forceps shown in fig. 3, the grasping mode of the forceps head 3 is adopted in the prior art, so that prostatic polyps which are dug out by holmium laser and are flushed into the bladder by water are grasped, the grasping mode is not suitable for large polyps, and in addition, when the special grasping forceps for the bladder directly grasp the prostatic polyps, the gland structure can be damaged, and later pathological analysis or basic research work is not facilitated. Meanwhile, the operation mode and the standard are not fixed, so that the polyp taking time is different, the difference between the qualities of the polyps of the prostate is increased, and the later-stage case analysis and the basic experiment research are influenced.

In a specific embodiment, the utility model provides a surgical instruments for taking out polyp of prostate includes connecting rod 22, support 5 and gets thing bag 4, connecting rod 22 is hollow structure, it installs in the one end of connecting rod 22 to get thing bag 4, support 5 flexible, connecting rod 22 is worn to locate by support 5, and support 5 wears to establish the last edge of getting thing bag 4 in the one end of connecting rod 22, support 5 wears out in the other end of connecting rod 22, the tip of the support 5 of wearing out is as the control end, support 5 through taut control end, make the support 5 of the tip of the connecting rod 22 of installing thing bag 4 tighten up, and then drive the last edge of getting thing bag 4 and tighten up, realize the shrink of getting thing bag 4.

In the use, this a surgical instruments for taking out polyp of prostate uses with urethroscope 1 combination, it is the same with current surgical instruments that have binding clip 3 and the mode that 1 combination of urethroscope used, this a surgical instruments for taking out polyp of prostate penetrates the patient internal through urethroscope 1, make and get thing bag 4 and be located polyp of prostate department, after getting polyp with getting thing bag 4 cover, through control support 5, and then shrink and get thing bag 4, cut down polyp in getting thing bag 4 through the pulling force effect at last, extract urethroscope 1 and this surgical instruments simultaneously at last, cut out and get thing bag 4, obtain the polyp.

The surgical instrument for taking out the prostatic polyps has supporting points, can quickly and synchronously cut and recover the prostatic polyps, has high accuracy and high speed and no obvious tissue destruction compared with a method for grabbing by foreign body forceps, and lays a foundation for the research of pathology and pathogenesis in the operation of benign prostatic hyperplasia patients.

It should be noted that the core improvement point of the present invention is to adopt the combination of the object-taking bag 4 and the support 5 to replace the existing structural form of the grasping handle 2, and as for the usage principle and the structural form of the urethroscope 1 and the method of the grasping handle 2 and the urethroscope 1, it does not belong to the improvement scope of the embodiment, please refer to the prior art, and it is not repeated here.

For better technical effect, the surgical instrument provided in this embodiment can control the contraction of the object-taking bag 4 not only by manually tightening the end of the bracket 5, but also by controlling the contraction of the object-taking bag 4 through the handle 21.

More specifically, the handle 21 and the connecting rod 22 form a grabbing handle 2, and the grabbing handle 2 is controlled to control the object taking bag 4 at the end of the grabbing handle 2; handle 21 includes stiff end and expansion end, and stiff end and expansion end rotate to be connected, but expansion end relatively fixed end draw close or keep away from, and the stiff end links to each other with connecting rod 22, and the expansion end links to each other with support 5, rotates in order to realize the take-up of support 5 through the relatively fixed end of expansion end, and the two is kept away from when outwards pushing out the expansion end, expandes to get thing bag 4, and the two draws close when inwards pushing back the expansion end, contracts to get thing bag 4.

In the present embodiment, the handle 21 is configured like a grasping portion of scissors; for better technical effect, the lower parts of the fixed end and the movable end are provided with holding holes for stably holding the hands.

Illustratively, the access pouch 4 is removably attached to the connector rod 22.

In this embodiment, compared with the existing binding clip 3, the fetching bag 4 of this embodiment can not only capture the prostatic polyps better, but also have better effect in terms of medical hygiene, in other words, under the structure that the fetching bag 4 is detachably connected with the connecting rod 22, the fetching bag 4 can be easily detached for cleaning, and the fetching bag 4 can also be designed to be disposable, and the connecting rod 22 part and the grabbing handle 2 part formed by combining the connecting rod 22 and the handle 21 can be reused.

The detachable connection includes, but is not limited to, a male and a female buckle, a threaded fastener connection, a threaded rotating sleeve, and the like, and the detachable connection also belongs to the description scope of the present embodiment.

Illustratively, the detachable connection adopts a structural form of a connecting buckle 6, the connecting buckle 6 is arranged between the object-taking bag 4 and the connecting rod 22, the connecting buckle 6 can be respectively connected with the object-taking bag and the connecting rod by a thread fixing mode, and can also be respectively connected with the object-taking bag and the connecting rod by a buckle fixing mode, so long as the detachable connection between the object-taking bag and the connecting rod can be realized, the detachable connection also belongs to the description scope of the embodiment.

It should be emphasized that one of the core improvements of the present invention lies in the concept of cutting and capturing the prostatic polyp by the object-taking bag 4, as for the concrete structural shape of the object-taking bag 4, there is no limitation, and a structure similar to a string bag can be adopted, the cross-sectional shape includes but is not limited to round, square, etc., and the size and specification of the object-taking bag 4 should be selected according to the operation specification, the urethroscope 1, the prostatic polyp, etc. and can be changed as required, and there is no limitation.

Illustratively, get thing bag 4 and specifically be funnel-shaped thing bag, the upper edge of funnel-shaped thing bag is the annular, and support 5 specifically is the annular steel wire support that the steel wire was made, and the handle 2 that snatchs that handle 21 and connecting rod 22 are constituteed is the metal material.

When the polyp taking device is used, before being unfolded, the taking bag 4 is in a contracted state, after the polyp is found in the operation, the polyp is separated through holmium laser firstly and is suspended on the wall of a prostate, then the surgical instrument reaches the part of the polyp of the prostate through the urethroscope 1, the taking bag 4 is pushed out and unfolded through the handle 21, after the polyp of the prostate is taken out by the taking bag 4, the taking bag 4 is pushed back and contracted through the handle 21, finally the polyp is cut off in the taking bag 4 through the action of pulling force, finally the urethroscope 1 and the surgical instrument are pulled out simultaneously, and the taking bag 4 is cut off to obtain the polyp.

From the perspective of a doctor, the polyp can be retracted when the polyp of the prostate is resected, the operation is convenient, the speed is high, the polyp of the prostate is easy to fall off, the polyp does not need to be grabbed by other instruments, the polyp is directly retracted into the fetching bag 4, the integrity of the polyp can be kept, the pathological biopsy of the polyp of the prostate can be rapidly carried out, the property and the malignant change of the polyp can be checked, and the polyp retrieving device has great value for subsequent treatment. In the aspect of scientific research, complete prostatic polyps can be obtained quickly, the structural damage and molecular degradation of the polyps are prevented, and the research on the pathogenesis of the prostatic polyps is facilitated. From the perspective of a patient, the operation time is saved, postoperative complications are prevented, and pathological result information and a corresponding quality scheme are obtained in time.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The surgical instrument for extracting prostatic polyps provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A surgical instrument for taking out polyps of prostate gland, characterized by comprising a connecting rod (22) which is used for entering into the body through a urethroscope (1), wherein one end of the connecting rod (22) is provided with a fetching bag (4), a bracket (5) is arranged along the upper edge of the fetching bag (4) in a penetrating way, the bracket (5) penetrates into the connecting rod (22), and the end part of the bracket (5) penetrates out from the other end of the connecting rod (22);

when the stent (5) is tightened at the other end, the pouch (4) at the one end is contracted and then pulled to cut out the prostatic polyps in the pouch (4).

2. Surgical instrument for retrieval of prostatic polyps according to claim 1, characterized by a handle (21) with a fixed end and a movable end connected in rotation, the fixed end being connected to the connecting rod (22) and the movable end being connected to the stent (5), the tensioning of the stent (5) being achieved by rotation of the movable end with respect to the fixed end.

3. The surgical instrument for retrieving prostatic polyps according to claim 2, wherein the fixed end and the movable end are each provided at a lower portion thereof with a grip hole for stable holding by hand.

4. Surgical instrument for retrieval of prostatic polyps according to any of claims 1 to 3, characterized by the fact that the retrieval bag (4) is removably connected to the connection rod (22).

5. Surgical instrument for the retrieval of prostatic polyps according to claim 4, characterized in that a detachable connection clasp (6) is provided between the access bag (4) and the connection rod (22).

6. Surgical instrument for the retrieval of prostatic polyps according to any of claims 1 to 3, characterized in that the retrieval bag (4) is embodied as a funnel-shaped retrieval bag, the upper edge of which is ring-shaped, and the support (5) is embodied as a ring-shaped steel wire support.