CN216675704U - White light endoscope capable of sampling for multiple times - Google Patents

Abstract

The utility model provides a white light endoscope capable of sampling for multiple times, which comprises a biopsy channel, wherein biopsy forceps are inserted in the biopsy channel and comprise forceps heads and forceps bodies, the forceps bodies are bendable hoses with hollow interiors, through holes are formed in the forceps heads and communicated with the forceps bodies, sampling assemblies are arranged in the forceps bodies, and two ends of the sampling assemblies penetrate out of two ends of the forceps bodies. Through setting up sampling assembly, realize continuously taking a sample polylith pathological tissue, can carry out pathological analysis at the different positions of focus through the pathological tissue to different positions, obtain more accurate pathological analysis result, the medical personnel of being convenient for accuracy prediction pathology upgrading's possibility selects more appropriate treatment. In addition, the early gastric tumor pathological upgrading prediction model carried on the human-computer processor is utilized, pathological analysis results are directly input into the model for comprehensive analysis, and the possibility of pathological upgrading can be predicted more accurately, so that a proper treatment mode is selected, and postoperative risks are reduced.

Description

White light endoscope capable of sampling repeatedly

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a white light endoscope capable of sampling for multiple times.

Background

Common white light endoscope inspection in clinic is still the main method for finding and diagnosing early gastric tumors, and currently, focus tissues are mainly obtained through endoscopic biopsy for pathological examination, so that lesion types, infiltration depths and the like are evaluated, and the method plays a vital role in guiding the selection of treatment modes. With the continuous development of medical technology, endoscopic surgery is increasingly applied to early stage gastric tumors and is widely accepted.

However, in the actual clinical work, the pathological differences between the early gastric tumor in the biopsy diagnosis and the specimen after endoscopic surgery are found to be widely existed, and the differences have influence on the selection of clinical treatment modes, medical expenses, resource utilization rate and the short-term and long-term prognosis of patients. The higher incidence is the pathological staging, and the influence on clinical diagnosis and treatment and patient prognosis is particularly important.

Although, at present, studies on risk factors of pathological differences are being carried out, some common conclusions have been drawn based on different studies.

However, depending on the cognition of the clinicians, the judgment of the disease focus is inconsistent due to the rich experience, and thus there is still a lack of a way or method for the clinicians to objectively and effectively judge the severity of the disease, which exposes the patients to the risks of increasing the medical cost and delaying the treatment due to the improper selection of the treatment. Meanwhile, in order to improve the accuracy of clinical judgment, some doctors can sample for many times according to conditions, carry out pathological analysis and compare, so that the obtained conclusion is more accurate.

However, in the prior art, if the sampling is performed for multiple times, the sampling forceps need to be placed for multiple times, so that the sampling time is greatly prolonged on one hand, and the patient is uncomfortable due to repeated placement of the sampling forceps on the other hand. Therefore, how to realize continuous sampling of a plurality of pathological tissues and avoid repeated placement of sampling forceps is a problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a white light endoscope capable of sampling for multiple times.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a white light scope that can sample many times, includes the biopsy passageway, movably cartridge has biopsy forceps in the biopsy passageway, biopsy forceps includes binding clip and pincers body, the binding clip articulates the head end of pincers body, pincers body is inside hollow flexible pipe of buckling, set up the through-hole in the binding clip, the through-hole with pincers body intercommunication, movably inlays in the pincers body and is equipped with the sampling component, the head end of sampling component is worn out the through-hole, the tail end of sampling component stretches out the tail end outside of pincers body.

Preferably, the sampling assembly comprises a sampling pipe, the sampling pipe comprises a first end and a second end which are opposite, the first end penetrates out of the caliper body and extends out of the through hole, the second end extends out of the tail end of the caliper body, and the sampling pipe is a flexible but non-crushable and deformable threaded hose.

Preferably, the first end is fixedly connected with an outer extension cover which is in a horn shape and surrounds the outer side of the first end.

Preferably, the epitaxial cover is a deformable silica gel sucker.

Preferably, the second end is connected with a storage cavity externally, the storage cavity comprises a left interface and a right interface, the left interface is connected with the second end in a sealing mode, and the right interface is detachably connected with a negative pressure assembly externally.

Preferably, the left interface is detachably connected with the second end in a sealing manner.

Preferably, a filter screen is embedded in the right interface.

Preferably, one end of the storage cavity, which is far away from the left connector and the right connector, is provided with a sampling port, and the sampling port is detachably sealed and provided with a sealing cover.

Preferably, the white light endoscope is electrically connected with a human-machine processor provided with an early gastric tumor pathological upgrading prediction model.

Compared with the prior art, the utility model has the beneficial effects that: through set up the sample subassembly in biopsy forceps, can realize continuously taking a sample polylith pathological tissue, so can gain pathological tissue at the different positions of focus simultaneously, through carrying out pathological analysis to different positions pathological tissue, can obtain more accurate pathological analysis result, the medical personnel accuracy of being convenient for predicts the possibility of pathology upgrading to the judgement state of an illness that can be more accurate selects more appropriate treatment. In addition, the early gastric tumor medical record upgrading prediction model carried on the human-computer processor is utilized, pathological analysis results are directly input into the model for comprehensive analysis, and the possibility of pathological upgrading can be predicted more accurately, so that a proper treatment mode is selected, and postoperative risks are reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a biopsy forceps of a white light endoscope capable of sampling multiple times according to the present invention.

FIG. 2 is a schematic cross-sectional view of a white light endoscope capable of sampling multiple times according to the present invention.

FIG. 3 is a schematic view of a white light endoscope capable of sampling multiple times and connecting with an interpersonal processor according to the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1, fig. 2 and fig. 3, a white light endoscope 1 capable of sampling for multiple times according to an embodiment of the present invention includes a biopsy channel 2, a biopsy forceps 3 is movably inserted into the biopsy channel 2, the biopsy forceps 3 includes a forceps head 31 and a forceps body 32, the forceps head 31 is hinged to a head end of the forceps body 32, the forceps body 32 is a hollow bendable hose, a through hole 33 is formed in the forceps head 31, the through hole 33 is communicated with the forceps body 32, a sampling assembly 4 is movably embedded in the forceps body 32, the head end of the sampling assembly 4 penetrates through the through hole 33, and a tail end of the sampling assembly 4 extends out of a tail end of the forceps body 32.

Preferably, the sampling assembly 4 comprises a sampling pipe 41, the sampling pipe 41 comprises a first end 411 and a second end 412 which are opposite, the first end 411 passes through the caliper body 32 and extends out of the through hole 33, the second end 412 extends out of the tail end of the caliper body 32, and the sampling pipe 41 is a flexible but non-crushable threaded hose.

The sampling tube 41 is used to provide a taking-out passage for the pathological tissue taken off from the binding clip 31, that is, when the binding clip 31 of the biopsy forceps 3 takes off the pathological tissue, the pathological tissue is located in the cavity of the binding clip 31 and will block the first end 411, the negative pressure component of the second end 412 is used to create a negative pressure environment in the sampling tube 41, and the pathological tissue moves from the first end 411 to the second end 412 and finally moves to the second end 412. Thereby take out pathological tissue from the health, white light scope 1 and biopsy forceps 3 still take a sample in patient's health inside further this moment, so can realize taking a sample many times, need not repeatedly take out biopsy forceps 3, consequently can avoid biopsy forceps 3 to pass through white light scope 1's biopsy channel 2 repeatedly to can avoid pathological tissue to be infected by the germ in biopsy channel 2.

Preferably, the first end 411 is fixedly connected with an outer extension cover 42, and the outer extension cover 42 is flared and surrounds the outer side of the first end 411. The arrangement of the extension cover 42 can enlarge the opening area of the first end 411, so that pathological tissues can be more conveniently located in the coverage range of the first end 411, and sampling is facilitated; meanwhile, the extension cover 42 is designed into a horn shape, so that the extension cover 42 is of an inclined structure, that is, the extension cover 42 forms a reducing structure which gradually expands outwards, on one hand, the height of the first end 411 is increased, the first end 411 and the extension cover 42 can be conveniently contacted with the taken-off pathological tissues, and meanwhile, the sampling assembly 4 can conveniently absorb the pathological tissues into the sampling pipeline 41, and if the pathological tissues are located at the edge of the extension cover 42, the pathological tissues can be conveniently gathered towards the center of the first end 411.

Preferably, the extension cover 42 is a deformable silica gel suction cup, which is more convenient for absorbing the pathological tissues taken down by the forceps head 31.

Preferably, the storage chamber 43 is circumscribed at the second end 412, the storage chamber 43 comprises a left interface 431 and a right interface 432, the left interface 431 is hermetically connected with the second end 412, and a negative pressure assembly is detachably connected to the right interface 432. The setting of storage chamber 43 is convenient for directly fall into storage chamber 43 by the pathological tissue of suction behind sampling tube 41 to, can realize sample and storage many times, the practical application of being convenient for. During actual use, the forceps head 31 firstly closes and cuts off pathological tissues of a part to be sampled, then the negative pressure component adjusts the pressure in the sampling pipeline 41, so that the pressure in the pipeline is smaller than the pressure at a sampling point in a patient body, negative pressure is generated, the taken-off pathological tissues at the first end 411 opening can be adsorbed into the sampling pipeline 41 and gradually move towards the second end 412 until the pathological tissues fall into the storage cavity 43 through the second end 412, at the moment, the negative pressure component is closed, the negative pressure is stopped being produced, the pathological tissues are taken out, and the subsequent sampling can be carried out through continuous circulating operation.

Further, the storage chamber 43 is a transparent cavity, which facilitates observation of whether pathological tissues smoothly enter the storage chamber 43 from the outside.

Preferably, the left interface 431 is detachably and sealingly connected with the second end 412. This configuration facilitates separation of storage chamber 43 from second end 412 after sampling is complete, at which point sampling tube 41 can be removed from head 31 of bioptome 3. The subsequent work of disinfecting and cleaning the biopsy forceps 3 is performed, so that the biopsy forceps 3 can be reused.

Preferably, a filter screen 44 is embedded in the right connector 432 to perform a filtering function, so that when the negative pressure assembly is not closed in time, pathological tissues directly flow into the right connector 432 to cause blockage, and even enter the negative pressure assembly to damage the negative pressure assembly.

Preferably, a sampling port 433 is provided at an end of the storage chamber 43 away from the left interface 431 and the right interface 432, a sealing cover 434 is detachably mounted on the sealing cover 434 at the sampling port 433, and the sealing cover 434 is provided to facilitate the removal of pathological tissues and the sealing of the sampling port 433.

The utility model can more accurately judge the state of an illness of a patient by carrying out multi-point sampling analysis on different parts of a gastric lesion, plays a role in guiding a clinician to select a treatment scheme and reduces the difference between the endoscope biopsy pathological analysis and the pathological analysis after endoscopic resection.

As shown in fig. 3, the white light endoscope 1 is preferably electrically connected to a human-machine processor 5 carrying an early stage gastric tumor pathology upgrade prediction model. The human-computer processor is a human-computer interaction platform, biopsy pathology is input into the early gastric tumor pathology upgrading prediction model through the human-computer processor for pathology analysis and evaluation, more accurate disease analysis and judgment guidance can be obtained, guidance is provided for a clinician to select a treatment scheme, and the risk of pathology upgrading is effectively reduced.

The early gastric tumor pathology upgrading prediction model is characterized in that clinical, inspection and endoscope related information of early gastric tumor patients receiving endoscopic resection is retrospectively collected and counted, statistical analysis including single-factor and multi-factor binary logistic regression analysis and the like is carried out, dependent variables with statistical significance in the binary logistic regression analysis are included, and a prediction model taking nomogram as an expression form is constructed by adopting an R language. After pathological tissue biopsy through the white light endoscope 1 is subjected to pathological analysis, the obtained case data is input into a human-computer processor, and is subjected to comparative analysis and processing through an early gastric tumor pathological upgrade prediction model to obtain more accurate disease analysis and judgment guidance, so that a clinician can more conveniently judge the disease of a patient, and a subsequent treatment scheme is determined. Adopt early stomach tumour pathology upgrading prediction model can effectively reduce the difference that biopsy diagnosis early stomach tumour pathology and scope excision postoperative pathology exist under the scope, can be through the clinical of inputing easily to collect, inspection and scope information, predict with the help of early stomach tumour pathology upgrading prediction model, help clinician fully to assess the risk that pathological change took place the pathology upgrading to adopt more reasonable treatment scheme, reach better treatment, effectively reduce the medical cost, reduce the risk of delay treatment. Therefore, pathological analysis is carried out by means of multi-part biopsy sampling, and the early gastric tumor pathological upgrading prediction model is used as an auxiliary mode, so that the preoperative pathological analysis can be further improved, a clinician is guided to select a more reasonable treatment mode, the difference between the preoperative biopsy pathological analysis and the endoscopic resection pathological analysis is further reduced, more accurate treatment is carried out, and the risk of postoperative pathological upgrading is avoided.

When the utility model is used specifically, firstly, the biopsy forceps 3 goes deep into the focus position of the stomach of a patient through the biopsy channel 2 of the white light endoscope 1, then the handle 34 of the biopsy forceps 3 is held by hand to push the guide wire 35 to advance forwards, so that the forceps head 31 is opened, then the forceps head 31 is aligned to the position to be sampled, then the sampling pipeline 41 is pushed towards the inside of the forceps body 32 of the biopsy forceps 3 until the sampling pipeline is not pushed, at the moment, the outer extension cover 42 is abutted against the position to be sampled, because the outer extension cover 42 is a deformable silica gel sucker, when the sampling pipeline 41 is pushed inwards, the sucker can adsorb the sampling position, at the moment, the handle 34 is pulled outwards from the outside, the guide wire 35 is pulled outwards by the handle 34, so that the forceps head 31 is pulled to be tightened, the pathological tissue to be sampled after being cut is adsorbed on the sucker, because of the adsorption effect of the sucker, at the moment, the externally connected negative pressure component is arranged, so that the negative pressure environment in the sampling pipeline 41 is manufactured, the pressure in the tube is less than the pressure in the stomach, and the pathological tissue moves along the sampling tube 41 to the second end 412 under the action of the pressure until the pathological tissue is separated from the second end 412 and falls into the storage cavity 43, and the negative pressure component is closed at the moment to realize the sampling of the pathological tissue. Repeating the above operation, can directly take out a plurality of pathological tissues from the stomach under the condition that the biopsy forceps 3 are not taken out and are not contacted with the outside, on one hand, the efficiency of biopsy sampling is improved, and the pathological tissues can be prevented from being polluted by bacteria. Meanwhile, pathological tissues are sampled at a plurality of different parts, so that the condition of a patient can be analyzed more comprehensively, more accurate biopsy pathological analysis is achieved, guidance is provided for follow-up clinicians to judge treatment modes, and the probability of postoperative pathological upgrading is reduced. Meanwhile, the early gastric tumor pathology upgrading prediction model is matched, and the biopsy data and the clinical statistical data are compared and analyzed, so that the difference between the early gastric tumor pathology of endoscopic biopsy diagnosis and the pathology after endoscopic resection can be further reduced, and a clinician is helped to fully evaluate the risk of pathological upgrading of the lesion.

In particular, the model for predicting the pathological staging of the early gastric tumor predicts the pathological staging of the early gastric tumor by counting the pathological conditions including age, laboratory test (HDL), several endoscopic features (lesion color, gross morphology, nodular roughness of the surrounding mucosa). The specific clinical statistics are shown in the following table:

clinical information

Endoscope information

One-factor, multi-factor logistic regression analysis of predicted factors

In the white light endoscope capable of sampling for multiple times, the sampling assembly is arranged in the biopsy forceps, so that multiple pathological tissues can be continuously sampled, the pathological tissues can be obtained at different parts of a focus at the same time, and more accurate pathological analysis results can be obtained by performing pathological analysis on the multiple pathological tissues, so that medical workers can accurately predict the possibility of pathological upgrading, and can accurately judge the state of an illness and select a more appropriate treatment mode. In addition, the early-stage tumor medical record upgrading prediction model carried on the human-computer processor is utilized, pathological analysis results are directly input into the model for comprehensive analysis, the possibility of pathological upgrading can be predicted more accurately, a proper treatment mode is selected, and postoperative risks are reduced.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.

Claims (7)

1. The utility model provides a white light scope that can sample many times, includes biopsy channel, movably cartridge has biopsy forceps in the biopsy channel, its characterized in that: the biopsy forceps comprise a forceps head and a forceps body, the forceps head is hinged to the head end of the forceps body, the forceps body is a bendable hose which is hollow inside, a through hole is formed in the forceps head and is communicated with the forceps body, a sampling assembly is movably embedded in the forceps body, the head end of the sampling assembly penetrates out of the through hole, and the tail end of the sampling assembly extends out of the outer side of the tail end of the forceps body; the sampling assembly comprises a sampling pipeline, the sampling pipeline comprises a first end and a second end which are opposite, the first end penetrates out of the forceps body and extends out of the outer side of the through hole, the second end extends out of the outer side of the tail end of the forceps body, and the sampling pipeline is a bendable threaded hose which cannot be flattened and deformed.

2. The white light endoscope capable of multiple sampling according to claim 1, characterized in that: the first end is fixedly connected with an outer extending cover, and the outer extending cover is in a horn shape and surrounds the outer side of the first end.

3. The white light endoscope capable of multiple sampling according to claim 2, characterized in that: the epitaxial cover is a deformable silica gel sucker.

4. The white light endoscope capable of multiple sampling according to claim 1, characterized by: the second end is external to have a storage chamber, the storage chamber includes left interface and right interface, left side interface with second end sealing connection, right side interface department can dismantle ground and link outward there is negative pressure assembly.

5. The white light endoscope capable of multiple sampling according to claim 4, characterized by: the left interface is detachably connected with the second end in a sealing mode.

6. The white light endoscope capable of multiple sampling according to claim 4, characterized in that: and a filter screen is embedded in the right interface.

7. The white light endoscope capable of multiple sampling according to claim 4, characterized in that: the one end that the storage chamber was kept away from left side interface and right side interface sets up the sample connection, the sealed lid that is equipped with of sample connection detachably lid.

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