CN220632050U - Bendable thoracoscope capable of using hard tool - Google Patents

Abstract

The present application relates to a bendable thoracoscope that can use a rigid tool, comprising an endoscope tube having a hollow channel extending in an axial direction; the endoscope tube comprises a hard tube section and a soft tube section, and the rear end of the soft tube section is connected with the front end of the hard tube section; wherein, binding clip, elasticity guide arm section and stereoplasm guide arm section movable mounting are in hollow passageway to elasticity guide arm section and hose section at least partially coincide, and the hose section can be followed the elasticity guide arm section synchronous turn of biopsy forceps. The utility model has the advantages of simple structure, convenient operation and improved diagnosis and treatment efficiency under the bendable thoracoscope.

Description

Bendable thoracoscope capable of using hard tool

Technical Field

The application belongs to the technical field of thoracoscopes, and particularly relates to a bendable thoracoscope capable of using a hard tool.

Background

Pleural effusion is a common complication of many diseases, whose etiology is challenging to diagnose. Internal thoracoscopy (medical thoracoscopy, also known as pleurocopy) is an invasive technique that uses electronic bronchoscopy, rigid or soft-rigid (semi-rigid) thoracoscopy, and the like to insert into the pleural cavity through the chest wall and intercostal, to biopsy or treat intrathoracic lesions under direct vision.

Thoracoscopes in medicine include both rigid thoracoscopes and flexible thoracoscopes.

The prior hard internal medicine thoracoscope needs to be provided with two holes on the chest wall, and causes great harm to patients; in addition, the whole hard internal medicine thoracoscope is of a hard tubular structure, and after the thoracoscope stretches into the lesion position of a human body, the operation of adjusting the angle is complex, inconvenience is brought to an operator, the angle adjustment range is limited, sometimes the tissue standard block sample cannot be obtained from a focus, and certain limitation exists.

The prior bendable thoracoscope can only use a bendable biopsy tool, such as a flexible biopsy forceps for performing pleural biopsy operation, and the biopsy efficiency is reduced compared with that of a hard thoracoscope for performing biopsy by using a hard biopsy tool, which is proved by the research results published after the evaluation of the same. The whole flexible biopsy forceps are soft, the flexible biopsy forceps extend into the side wall of the bendable thoracoscope, so that the biopsy efficiency of the bendable thoracoscope is low, the obtained tissue standard block is small, the extrusion deformation of the tissue structure is serious, the time consumption is long, part of tissues are difficult to obtain, and the material drawing success rate and quality are limited.

Disclosure of Invention

In view of the above analysis, embodiments of the present utility model aim to provide a bendable thoracoscope that can use a rigid tool to address one or more of the above problems with the prior art.

The purpose of the utility model is realized in the following way:

a bendable thoracoscope capable of using a hard tool, comprising an endoscope tube having a hollow channel extending along an axial direction; the endoscope tube comprises a hard tube section and a soft tube section, and the rear end of the soft tube section is connected with the front end of the hard tube section; wherein the hose section can be synchronously bent along with the elastic guide rod section of the hard biopsy forceps.

Further, the front end of the hose section is provided with a plug, and the front end of the plug is provided with a camera and a light source lamp.

Further, the thoracoscope is also provided with an operation main body, the operation main body is provided with a shell, the bottom of the shell is provided with a mounting port, and the endoscope tube is connected with the mounting port in a sealing way; the center of the top of the shell is provided with a biopsy pore opening, and the center line of the biopsy pore opening coincides with the axis of the hard pipe section.

Further, a third control mechanism is provided on the operating body, the third control mechanism being configured to control the normal operation of the thoracoscope.

Further, a mounting frame is arranged in the lower space of the shell, and a conduit penetrates through the mounting frame; the bottom of the plug is provided with a through hole along the length direction, and the through hole is communicated with the hollow channel of the endoscope tube; one end of the endoscope tube is communicated with the through hole, and the other end is communicated with the catheter.

Further, the biopsy pore opening at the top of the shell is provided with a mounting head with a hollow structure, and the top end opening of the mounting head is detachably provided with a sealing plug.

Further, the inner space of casing still is equipped with the fastening frame, and the rigid coupling has the regulating plate on the fastening frame, and the round joint has the seal wire on the regulating plate, and the both ends of seal wire all are connected on the plug, and the top of fastening frame extends to the upper portion space of casing, and the outside of casing sets up the handle, and the handle is connected with the regulating plate, realizes receiving and releasing the seal wire through handle rotation regulating plate, and then controls the buckling of hose section.

Further, a hose is also connected to the side wall of the mounting head, and the hose is connected to an external pump body for extracting foreign matters.

Further, the operation main body is also provided with a data interface, the data interface is connected with the computer through a data line, and data images in the operation process are transmitted to the computer through the data line.

Further, the device is matched with a matched hard biopsy forceps.

Compared with the prior art, the bendable thoracoscope capable of using the hard tool, provided by the utility model, has the advantages that the endoscope tube of the thoracoscope comprises the hard tube section and the soft tube section, and the soft tube section is synchronously bent by controlling the bending of the elastic guide rod section of the hard biopsy forceps, so that the angle of the forceps head of the biopsy forceps can be conveniently and rapidly adjusted, the obtained tissue standard block sample is large, and the diagnosis and treatment efficiency under the bendable thoracoscope is improved.

Drawings

In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic illustration of a flexible thoracoscope configured for use with a rigid tool in accordance with the present utility model;

FIG. 2 is a schematic illustration of an unbent construction of a flexible tube segment of a flexible thoracoscope that may be used with a rigid tool in accordance with the present utility model;

FIG. 3 is a schematic view of a flexible tube segment of a flexible thoracoscope with a rigid tool according to the present utility model;

FIG. 4 is an exploded view of the operative body of a flexible thoracoscope that may be used with a rigid tool in accordance with the present utility model;

FIG. 5 is an exploded view of yet another embodiment of the flexible thoracoscope operable body with a rigid tool in accordance with the present utility model;

FIG. 6 is a schematic view of a straight working channel flexible thoracoscope kit according to the present utility model;

FIG. 7 is a schematic view showing the bending of the front end of the flexible thoracoscope along with the flexible guide rod section using a rigid tool according to the present utility model;

fig. 8 is a schematic structural view of a hard biopsy forceps provided by the utility model.

Reference numerals:

100-hard biopsy forceps; 101-clamp heads; 1011-jaw base; 102-a flexible guide rod section; 103-a rigid guide rod section; 104-bending the control wire; 105-pull ring; 106-a first control mechanism;

200-thoracoscope; 201-a hard pipe section; 202-a hose section; 203-plug; 2031-a through hole; 204-a camera; 205-light source lamp; 206-an operation body; 207-a housing; 2071-a first housing; 2072-a second housing; 208-mounting rack; 209-a catheter; 210-mounting head; 211-sealing plugs; 212-fastening a rack; 213-a conditioning disk; 214-a guidewire; 215-a handle; 216-hose; 217-data interface; 218-a first key; 219-second key.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. It should be noted that embodiments and features of embodiments in the present disclosure may be combined, separated, interchanged, and/or rearranged with one another without conflict. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.

When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there are no intervening elements present. For this reason, the term "connected" may refer to physical connections, electrical connections, and the like, with or without intermediate components.

In one embodiment of the present utility model, as shown in fig. 1 to 8, a straight working channel bendable thoracoscope kit for diagnosis and treatment of pleural diseases, including a hard biopsy forceps 100 and a bendable thoracoscope (hereinafter referred to as thoracoscope 200) that can use a hard tool; the hard biopsy forceps 100 are provided with a forceps head 101 and an inserting part, the forceps head 101 is connected to the end part of the inserting part, the inserting part comprises a hard main body part and a bendable part positioned at the front end, the hard main body part cannot be bent, only a small section of the front end can be bent, specifically, the inserting part comprises an elastic guide rod section 102 and a hard guide rod section 103, the elastic guide rod section 102 and the hard guide rod section 103 jointly form the inserting part, the forceps head 101 is connected to the first end of the hard guide rod section 103 through the elastic guide rod section 102, the second end of the hard guide rod section 103 is connected with a first control mechanism 106 and a second control mechanism, and the first control mechanism 106 is configured to control the opening and closing of the forceps head 101; the second control mechanism is configured to control the bending of the flexible guide rod segment 102 to effect steering of the binding clip 101; the thoracoscope 200 has an endoscope tube with a hollow passage extending in the axial direction; the endoscope tube comprises a hard tube section 201 and a soft tube section 202, wherein the rear end of the soft tube section 202 is connected with the front end of the hard tube section 201; wherein, binding clip 101, elasticity guide arm segment 102 and stereoplasm guide arm segment 103 movable mounting are in hollow passageway, and elasticity guide arm segment 102 and hose segment 202 coincide at least partially, and hose segment 202 can be followed elasticity guide arm segment 102 and bent in step.

In the implementation process, the forceps head 101 and the inserting part of the hard biopsy forceps 100 are arranged in an endoscope tube of the thoracoscope 200, an operator sends the forceps head 101 into a specified position in a patient, and according to the position to be treated, the second control mechanism is used for controlling the bending of the elastic guide rod section 102 to enable the forceps head 101 to bend towards a target position, and in the process, the operator can integrally rotate the hard biopsy forceps 100 and the thoracoscope 200 to enable the forceps head 201 to precisely rotate to the target position; after the forceps head is adjusted to the designated position, the forceps head 101 is closed by the first control mechanism, and the tissue at the target position is taken out.

In this embodiment, the thoracoscope 200 further has an operation body 206, the endoscope tube is connected to the operation body, the operation body 206 has a housing 207, a mounting port is provided at the bottom center of the housing 207, and the endoscope tube is connected to the mounting port in a sealing manner; the top center of the housing 207 is provided with a biopsy tunnel opening, the center line of which coincides with the axis of the rigid tube segment 201. By the arrangement, the forceps head 101 and the insertion part of the hard biopsy forceps 100 can be coaxially inserted into the operation main body 206 and the endoscope tube of the thoracoscope 200, so that better coaxiality between the hard biopsy forceps 100 and the operation main body 206 of the thoracoscope 200 can be ensured, and the influence of the operation of the hard biopsy forceps 100 caused by the adjustment of the thoracoscope body by the rotation of the wrist of an operator can be reduced.

In this embodiment, a third control mechanism is provided on the operation body 206, and is configured to control the normal operation of the thoracoscope 200. The first control mechanism 106 for controlling the opening and closing of the clamp head 101 and the third control mechanism for controlling the normal operation of the thoracoscope 200 can be implemented by adopting the prior art or slightly adjusting the prior art, and are not described herein.

In this embodiment, the second control mechanism is used to control the bending of the flexible guide rod segment 102, so long as the flexible guide rod segment 102 can be bent. The second control mechanism of the present embodiment includes, but is not limited to, the following structure: the second control mechanism comprises a bending control wire 104, one end of the bending control wire is connected with the jaw 1011 of the jaw 101, the other end of the bending control wire is positioned at the control end of the hard biopsy forceps 100, and the bending of the elastic guide rod section 102 is realized by driving the bending control wire 104, so that the steering of the jaw 101 is realized. Optionally, a pull ring 105 is attached to the bent steering wire 104 at the control end of the rigid biopsy forceps 100 to facilitate pulling by the operator. Alternatively, the bend wire 104 is wound around a rotational winding mechanism, and pulling and releasing of the bend wire 104 is achieved by counterclockwise and clockwise rotation.

In this embodiment, a plug 203 is disposed at the front end of the tube segment 202, a camera 204 and a light source lamp 205 are disposed at the front end of the plug 203, and the camera 204 and the light source lamp 205 are embedded in the bottom end surface of the plug 203.

In one alternative embodiment, the housing 207 includes a first housing 2071, and a second housing 2072 is fixedly connected to the top of the first housing 2071, where the second housing 2072 is formed by a box body and a box cover in a clamping manner. The bottom of the first housing 2071 is fixedly connected with the hard tube section 201.

In this embodiment, a mounting frame 208 is disposed in a first casing 2071 of the casing 207, and a conduit 209 penetrates through the inside of the mounting frame 208; the bottom of the plug 203 is provided with a through hole 2031 along the length direction thereof, and the through hole is communicated with a hollow channel of the endoscope tube; one end of the endoscope tube is communicated with the through hole, the other end is communicated with the catheter 209, and the insertion part of the hard biopsy forceps 100 is coaxially inserted into the hollow channel of the catheter 209 and the endoscope tube. The biopsy channel opening is arranged at the top of the second casing 2072, the biopsy channel opening is provided with a mounting head 210 with a hollow structure, the top end opening of the mounting head 210 is detachably provided with a sealing plug 211, and the top end opening of the mounting head 210 coincides with the center line of the biopsy channel opening. Optionally, a sealing plug 211 is screwed on top of the mounting head 210.

In this embodiment, the flexible tube segment 202 of the thoracoscope 200 can be synchronously bent along with the elastic guide rod segment 102 of the hard biopsy forceps 100, which belongs to passive bending, and the bending angle of the flexible tube segment 202 is mainly driven by the elastic guide rod segment 102. In the practical operation process, it is found that the accurate adjustment of the pincer head angle is sometimes difficult to be achieved only by bending the elastic guide rod section 102, so that in an alternative implementation of this embodiment, the hose section 202 can also be actively bent, and thus the bending angle of the pincer head can be more accurately adjusted by matching with the bending of the elastic guide rod section 102. Specifically, the inner space of the shell 207 is further provided with a fastening frame 212, an adjusting disc 213 is fixedly connected to the fastening frame 212, a guide wire 214 is wound on the adjusting disc 213, two ends of the guide wire 214 are connected to the plug 203, the bottom end of the fastening frame 212 is fixedly connected to the inner space of the first shell 2071, the top end of the fastening frame 212 extends to the inner space of the second shell 2072 above the shell 207, a handle 215 is arranged on the outer portion of the shell 207, the handle 215 is connected with the adjusting disc 213, the adjusting disc 213 is rotated by the handle 215 to retract the guide wire 214, and further bending of the hose section 202 is controlled, so that the hose section 202 can also be actively bent, the elastic guide rod section 102 of the auxiliary hard biopsy forceps is bent, and bending of the hose section 202 is matched with bending of the elastic guide rod section 102, so that the angle adjustment range of the forceps head is wider and more accurate.

In this embodiment, a hose 216 is further connected to the side wall of the mounting head 210, the hose 216 is connected to an external pump body, foreign matters are sucked into the conduit 209 through the through hole by means of negative pressure suction, and discharged from the hose 216, so that the foreign matters are discharged.

In this embodiment, the operation body 206 is further provided with a data interface 217, the data interface 217 is disposed on one side of the second casing 2072, the data interface 217 is connected to the computer through a data line, and the data image in the operation process is transmitted to the computer through the data line.

In one alternative embodiment, the third control mechanism includes a first key 218 and a second key, the first key 218 and the second key 219 being disposed on a front surface of the second housing 2072. Wherein, first button 218 is used for taking a picture in real time to the chest inside picture, is convenient for find the foreign matter place, and second button 219 is used for storing shooting data, and convenient in time invokes and looks over.

Compared with the prior art, the bendable thoracoscope capable of using the hard tool provided by the embodiment can at least realize one of the following beneficial effects:

1. the endoscope tube of the thoracoscope comprises a hard tube section and a soft tube section, and the soft tube section is synchronously bent by controlling the bending of the elastic guide rod section of the hard biopsy forceps, so that the angle of the forceps head can be conveniently and rapidly adjusted, the obtained tissue standard block sample is large, the obtaining success rate of pleura tissue is improved, and the diagnosis and treatment efficiency under the bendable thoracoscope is improved.

2. The biopsy pore canal of the thoracoscope is designed to be a through type, and the biopsy pore canal is opened at the center of the top of the operation main body, so that on one hand, the capability of the hard biopsy forceps and the therapeutic tool for grabbing pathological tissues during biopsy and treatment can be improved through the thoracoscope with the bendable front part; on the other hand, better coaxiality of the bendable hard biopsy forceps and the endoscope body is ensured, and the influence of the operation of adjusting the thoracoscope endoscope body by rotating the wrist of an operator on the operation of the bendable hard biopsy forceps is reduced; and has the advantage of small single-hole wound, and better biopsy and treatment effects than the traditional hard tool.

3. The straight working channel flexible thoracoscope is compatible with flexible biopsy/treatment tools and rigid biopsy/treatment tools, both of which can pass. The operation habit is similar to that of the traditional bendable thoracoscope, and the method is easy to learn and master; the passage of the hard biopsy/treatment tool is increased, so that the biopsy and treatment efficacy is similar to that of the hard thoracoscope, and the defect of the efficacy of the bendable thoracoscope and the bendable biopsy/treatment tool is overcome.

4. The hose section of the thoracoscope can also be actively bent, so that the hose section can be matched with the bending of the elastic guide rod section, and the more accurate adjustment of the bending angle of the clamp head can be realized.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application, and are not meant to limit the scope of the utility model, but to limit the scope of the utility model.

Claims (10)

1. A bendable thoracoscope capable of using a hard tool, comprising an endoscope tube having a hollow passage extending in an axial direction; the endoscope tube comprises a hard tube section and a hose section, wherein the rear end of the hose section is connected with the front end of the hard tube section;

wherein the hose section can be synchronously bent along with the elastic guide rod section of the hard biopsy forceps.

2. The flexible thoracoscope of claim 1, wherein the front end of the hose section is provided with a plug, and wherein the front end of the plug is provided with a camera and a light source lamp.

3. The flexible thoracoscope of claim 2, further comprising an operating body having a housing with a mounting port disposed at a bottom thereof, the endoscope tube being sealingly connected to the mounting port; the center of the top of the shell is provided with a biopsy pore opening, and the center line of the biopsy pore opening coincides with the axis of the hard pipe section.

4. A bendable thoracoscope according to claim 3, wherein a third control mechanism is provided on the operating body, the third control mechanism being configured to control the normal operation of the thoracoscope.

5. A flexible thoracoscope capable of using a hard tool according to claim 3, wherein a mounting frame is provided in a lower space of the housing, and a conduit is penetrated through the inside of the mounting frame; the bottom of the plug is provided with a through hole along the length direction of the plug, and the through hole is communicated with the hollow channel of the endoscope tube; one end of the endoscope tube is communicated with the through hole, and the other end of the endoscope tube is communicated with the catheter.

6. A flexible thoracoscope with a rigid tool according to claim 3 wherein the biopsy tunnel opening at the top of the housing is provided with a hollow mounting head with a sealing plug removably provided at the top end opening.

7. The bendable thoracoscope capable of using the hard tool according to claim 6, wherein the inner space of the housing is further provided with a fastening frame, an adjusting plate is fixedly connected to the fastening frame, a guide wire is wound on the adjusting plate, two ends of the guide wire are connected to the plug, the top end of the fastening frame extends to the upper space of the housing, a handle is arranged outside the housing and connected with the adjusting plate, and the guide wire is wound and unwound by rotating the adjusting plate through the handle, so that bending of the hose section is controlled.

8. The bendable thoracoscope according to claim 6 or 7, wherein a hose is further connected to a side wall of the mounting head, and the hose is connected to an external pump body for drawing out foreign matters.

9. The bendable thoracoscope capable of using a hard tool according to claim 8, wherein the operation body is further provided with a data interface, the data interface is connected with a computer through a data line, and data images of the operation process are transmitted to the computer through the data line.

10. The flexible thoracoscope of claim 1, wherein the flexible thoracoscope is adapted for use with a rigid biopsy forceps.