CN213722133U

CN213722133U - Scope cell brush is breathed to preflex formula

Info

Publication number: CN213722133U
Application number: CN202022537891.8U
Authority: CN
Inventors: 张真铭; 包郁; 王苒霖; 段寻梅
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-20
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses an scope cell brush is breathed to preflex formula, establish the tube core in the tube sleeve including tube sleeve and cover, the one end of tube sleeve is equipped with the handle, be equipped with the passageway with tube sleeve inner chamber intercommunication on the handle, the tube core is flexible material, the one end of tube core is equipped with holds the ring, the other end integral type of tube core is connected with the brush head, the contained angle between tube core and the brush head is 120-150, the length of tube core is greater than the sum of the length of handle and tube sleeve, has the possibility that increases cytology specimen acquisition under the scope and acquires the volume, has improved diagnosis efficiency, reduces scope operating time, practices thrift medical cost's advantage.

Description

Scope cell brush is breathed to preflex formula

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an scope cell brush is breathed to preflex formula.

Background

High incidence of lung tumors, especially lung cancer, has a prevalence and mortality rate in men that accounts for the first of all malignancies, in women that accounts for the second, and in women that accounts for the second. Early lung malignant tumor can be treated by surgical operation, if cytological sampling can be carried out before the operation, and good and malignant lesions are determined, an accurate operation scheme and operation range can be guided to be made before the operation, unnecessary waiting time of freezing pathology in the operation is avoided, surgical operation and anesthesia time are reduced, postoperative rehabilitation of a patient is facilitated, while lung malignant tumor patients in late stage or incapable of tolerating the surgical operation can only be treated by radiotherapy, chemotherapy and the like, before treatment, tumor tissues need to be sampled, and histological types are determined, so that formulation of a subsequent treatment scheme is guided. Bronchoscopy is one of the most important diagnostic methods, which can directly observe the pathological changes of the endobronchial membrane and lumen, and use tissue sampling forceps and cell brushes to obtain tumor tissues for pathological examination, thereby clearly diagnosing and judging the histological types. Because the bronchial structure is the tree structure, the biopsy angle is too big under some regional endoscopes, and it is often comparatively difficult to sample, often can not obtain effective cytology sample, delays the diagnosis of disease, for example, the tip section of upper lobe and some sub-sections that the angle is big etc..

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an scope cell brush is breathed to preflex formula. The method has the advantages of increasing the possibility and the acquisition amount of cytological specimens under the endoscope, improving the diagnosis efficiency, reducing the operation time of the endoscope and saving the medical cost.

The technical scheme of the utility model is that:

a pre-bending type cell brush for a respiratory endoscope comprises a pipe sleeve and a pipe core sleeved in the pipe sleeve, wherein a handle is arranged at one end of the pipe sleeve, a channel communicated with an inner cavity of the pipe sleeve is arranged on the handle, the pipe core is made of flexible materials, a holding ring is arranged at one end of the pipe core, a brush head is integrally connected to the other end of the pipe core, an included angle between the pipe core and the brush head ranges from 120 degrees to 150 degrees, and the length of the pipe core is larger than the sum of the lengths of the handle and the pipe sleeve.

The working principle of the scheme is as follows:

under bronchoscope's assistance, judge to use the scope cytobrush is breathed to preflex formula of suitable angle, the one end of keeping away from the handle with the pipe box is close to sample department, twist grip acquires required preflex direction, it pastes in sample department to promote the grip ring to stretch out the brush head, at this moment the brush head has the bent angle and the pipe core material is flexible material because through preflex processing, so brush head has the angle after stretching out, then the minizone is brushed and is got, pull back brush head entering pipe box after the sample is accomplished, take out the cytobrush and accomplish the sample.

In a further technical scheme, a pipe orifice at one end of the pipe sleeve, which is far away from the handle, is of a bending structure, and the angle of a bending angle of the bending structure is the same as the angle of a bending angle between the pipe core and the brush head.

The bending structure that the pipe sleeve opening is the same with the pipe core and the brush head bending angle can control the brush head more accurately, is favorable for a doctor to accurately sample a target area in the actual operation process, and is also favorable for avoiding large-area contact loss of part of samples with the pipe sleeve opening when the brush head withdraws the pipe sleeve after sampling is finished.

In a further technical scheme, one side of the grip ring corresponding to the bending direction of the brush head is provided with a convex point.

Design the bump, can make the doctor know the crooked direction of brush head when the operation, avoided the brush head to contact towards the regional crooked mistake of non-sampling when the exit tube cover, cause the brush head pollution to lead to the sample failure.

The utility model has the advantages that:

1. the method has the advantages of increasing the possibility and the acquisition amount of cytological specimens under the endoscope, improving the diagnosis efficiency, reducing the operation time of the endoscope and saving the medical cost.

2. The bending structure that the pipe sleeve opening is the same with the pipe core and the brush head bending angle can control the brush head more accurately, is favorable for a doctor to accurately sample a target area in the actual operation process, and is also favorable for avoiding large-area contact loss of part of samples with the pipe sleeve opening when the brush head withdraws the pipe sleeve after sampling is finished.

3. Design the bump, can make the doctor know the crooked direction of brush head when the operation, avoided the brush head to contact towards the regional crooked mistake of non-sampling when the exit tube cover, cause the brush head pollution to lead to the sample failure.

Drawings

FIG. 1 is a schematic diagram illustrating an extended state of a brush head of a cell brush of a pre-bending type respiratory endoscope according to the present embodiment;

FIG. 2 is a schematic diagram illustrating a retracted state of a brush head of a cellular brush of a pre-curved respiratory endoscope according to the present embodiment;

fig. 3 is a partially enlarged view of the brush head portion of the cell brush of the pre-bending type respiratory endoscope according to the embodiment.

Description of reference numerals:

1. a holding ring; 2. salient points; 3. a die; 4. a brush head; 5. a handle; 6. and (4) pipe sleeves.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-3, a pre-bending type cell brush for a respiratory endoscope comprises a pipe sleeve 6 and a pipe core 3 sleeved in the pipe sleeve 6, wherein one end of the pipe sleeve 6 is provided with a handle 5, the handle 5 is provided with a channel communicated with an inner cavity of the pipe sleeve 6, the pipe core 3 is made of a flexible material, one end of the pipe core 3 is provided with a holding ring 1, the other end of the pipe core 3 is integrally connected with a brush head 4, an included angle between the pipe core 3 and the brush head 4 is 120-150 degrees, and the length of the pipe core 3 is greater than the sum of the lengths of the handle 5 and the pipe sleeve 6.

The working principle of the scheme is as follows:

under the assistance of a bronchoscope, judging to use a pre-bending type respiratory endoscope cytobrush with a proper angle, if the biopsy angle is smaller, selecting a cytobrush with a bending angle of 150 degrees, if the biopsy angle is larger, selecting a cytobrush with a bending angle of 120 degrees, and if the bending angle is moderate, preferably selecting a cytobrush with a bending angle of 135 degrees; the rotating handle 5 obtains required pre-bending direction, pushes the holding ring 1 to extend out of the brush head 4 to be attached to a sampling position, at the moment, the brush head 4 is provided with a bending angle through pre-bending treatment, the tube core 3 is made of flexible materials, the brush head 4 is provided with an angle after extending out, then brushing is carried out in a small range, the brush head 4 is pulled back to enter the tube sleeve 6 after sampling is completed, and the cytobrush is pulled back to complete sampling.

In another embodiment, the nozzle at the end of the sleeve 6 remote from the handle 5 is of a bent configuration having a bend angle which is the same as the bend angle between the tubular core 3 and the brush head 4.

The bending structure that the pipe orifice of the pipe sleeve 6 is the same with the pipe core 3 and the brush head 4 in bending angle can control the brush head 4 more accurately, is beneficial to a doctor to accurately sample a target area in the actual operation process, and is also beneficial to avoiding large-area contact loss of part of samples with the pipe sleeve orifice when the brush head 4 withdraws the pipe sleeve 6 after sampling is finished.

In another embodiment, the side of the grip ring 1 corresponding to the bending direction of the brush head 4 is provided with a convex point 2.

Design bump 2 can make the doctor know the crooked direction of brush head 4 when the operation, has avoided brush head 4 to face the crooked mistake of non-sampling region and has touched when the exit tube cover 6, causes brush head 4 to pollute and leads to the sample failure.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A pre-bending type cell brush for a respiratory endoscope is characterized by comprising a pipe sleeve and a pipe core sleeved in the pipe sleeve, wherein one end of the pipe sleeve is provided with a handle, the handle is provided with a channel communicated with an inner cavity of the pipe sleeve, the pipe core is made of a flexible material, one end of the pipe core is provided with a holding ring, the other end of the pipe core is integrally connected with a brush head, an included angle between the pipe core and the brush head is 120-150 degrees, and the length of the pipe core is greater than the sum of the lengths of the handle and the pipe sleeve.

2. The pre-bent cell brush for the respiratory endoscope of claim 1, wherein the tube mouth of the tube sleeve at the end away from the handle is a bent structure, and the angle of the bent structure is the same as the angle of the bent angle between the tube core and the brush head.

3. The pre-bent cell brush for a respiratory endoscope of claim 1, wherein a protruding point is provided on a side of the grip ring corresponding to a bending direction of the brush head.