CN211883876U

CN211883876U - Endoscope suction structure

Info

Publication number: CN211883876U
Application number: CN201922242075.1U
Authority: CN
Inventors: 张一�; 陈东
Original assignee: Suzhou Xinguangwei Medical Technology Co ltd
Current assignee: Xinguangwei Medical Technology Suzhou Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-11-10
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an endoscope attracts structure, be used for peeping the front end of the internal conditions including inserting the pathological change position, be connected the signal line connecting portion that is used for fixed signal line with external equipment, support the operation portion shell of other components, the front end is close to the position of operation portion shell be provided with the operation portion shell is connected and can be followed its axle center pivoted front end rotating part, presses down attraction mechanism, set up in one side of operation portion shell and be close to the position of signal line connecting portion, and through the pipeline with the front end intercommunication for absorb tissue liquid through the front end. The beneficial effects of the utility model are that, press down attraction mechanism through the setting for the endoscope when observing organ tissue and need drawing tissue fluid and carry out analysis chemical examination, can directly observe and draw the tissue fluid of this position through the endoscope, has avoided additionally adopting other problems of drawing equipment.

Description

Endoscope suction structure

Technical Field

The utility model relates to the field of medical equipment, especially an endoscope attracts structure.

Background

An endoscope is commonly used in medical treatment, is a method for observing the state of a pathological tissue by medical staff, and is mainly used for accurately judging the disease condition of the tissue by extending a probe of the endoscope into the tissue of a patient through a natural pore canal of a human body and directly observing the pathological tissue in a video image mode. However, in actual medical work, the condition of a patient cannot be accurately judged by simply observing the pathological tissues visually, and sometimes comprehensive judgment needs to be carried out by matching with the chemical analysis result of secretion of the pathological tissues, so in actual work, part of tissue fluid needs to be extracted for medical assay, and the tissue fluid or other components of the pathological tissues are extracted by extra extraction equipment in the current extraction work of the tissue fluid, so that the condition analysis is prolonged definitely, and the patient can be injured to a certain extent by sampling special parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the pathological change tissue and when observing, need adopt extra equipment to the drawing of tissue fluid, lead to complex operation's problem when delaying state of an illness analysis time, designed an endoscope and attracted the structure.

The technical solution of the present invention is to provide an endoscope suction structure, including a front end inserted into a diseased region for observing the internal conditions, a signal line connecting portion connected to an external device for fixing a signal line, and an operation portion housing for supporting other components, wherein a front end rotating portion connected to the operation portion housing and rotatable along the axis thereof is provided at a position of the front end close to the operation portion housing, and a pressing suction mechanism is provided at a position of one side of the operation portion housing close to the signal line connecting portion and communicated with the front end through a pipeline for sucking tissue fluid through the front end; the pressing suction mechanism includes: the pressing handle is arranged outside the operating part shell and used for opening the silica gel ring to enable the interstitial fluid to flow outwards.

Further explanation is provided for a silica gel ring and a pressing handle, the silica gel ring is medical or food grade silica gel, a notch is reserved in the center of the silica gel ring, the notch penetrates through two end faces of the silica gel ring, the notch is preferably a Y-shaped notch, the pressing handle is an L-shaped special pipe with a through hole in the center, a tip inserted into the Y-shaped interface is arranged at the lower end of the pressing handle, and after the tip of the pressing handle is inserted into the center notch of the silica gel ring, the center notch of the silica gel ring is opened and is communicated with a pipeline at the bottom of the silica gel ring and the through hole of the pressing handle at the upper part of the silica gel; in consideration of the actual operation process, the part of the pressing handle, which is far away from the pointed end, is used for communicating an externally-connected liquid pump, and the pipeline of the part is in an S-shaped structure, so that the part is prevented from interfering the hand of a person during manual operation.

In order to make this structure practicable, the pressing and suctioning mechanism further includes: support the base of pressing of silica gel circle with set up in the answer spring of pressing the base outside, press the base and be fixed in the inside of operating portion shell and set up in silica gel circle bottom, it has the pore to open at the center of pressing the base, and this pore with the centre of rotation of silica gel circle is coaxial, answer the spring housing in press the outside of base, and its one end with press the base contact, the other end with press the press handle contact, press the handle and can compress when receiving external force and push down answer the spring, after the external force uninstallation, press the handle and can answer the original position before pushing down under the spring action of answer spring.

As a preferable scheme, a circle of spring snap ring used for stabilizing the return spring and avoiding disjointing in the compression and return process of the return spring is arranged at the position of the outer ring of the pressing handle and the position of the chuck, the spring snap ring is connected and fixed with the pressing handle, and the return spring is positioned in the spring snap ring.

Press the suction mechanism with be provided with the reposition of redundant personnel branch pipe between the front end, the one end of reposition of redundant personnel branch pipe with press the central through-hole intercommunication of suction mechanism, the other end directly or indirectly with the central through-hole intercommunication of front end for press the suction mechanism and absorb the interstitial fluid in the organ tissue and provide a pipeline.

Preferably, the pressing handle is a medical stainless steel handle, the pressing base is a medical stainless steel base, and the shunt branch pipe is a medical plastic catheter.

The endoscope also comprises: diagnosing and treating accessory channels: the operating part is arranged on one side of the operating part shell, is communicated with the front end through a pipeline and is used for performing micro-operation on organ tissues through external equipment; the fluid pipe is arranged between the diagnosis and treatment accessory channel and the front end and is used for communicating the diagnosis and treatment accessory channel with the front end; the liquid flow pipe can be set to be a three-way structure and is communicated with the front end, the diagnosis and treatment accessory channel and the shunt branch pipe.

The beneficial effects of the utility model reside in that, press the suction mechanism through setting up for the endoscope is observing the organ tissue and need draw the interstitial fluid and carry out the analysis when chemical examination, can directly observe and draw the interstitial fluid of this position through the endoscope, has avoided additionally adopting the problem of other extraction equipments. Through the reposition of redundant personnel branch pipe of silica gel circle separation and tissue fluid intercommunication and the handle of pressing according to with the drawing liquid pump intercommunication, when the passageway is opened to needs, press the handle with pressing, press the handle and can pierce through the silica gel circle, make reposition of redundant personnel branch pipe and the inner chamber that presses the handle switch on, under the extraction effect of drawing liquid pump, tissue fluid is through the front end, the liquid flow pipe, reposition of redundant personnel branch pipe, collect in pressing the handle entering drawing liquid pump, this process only need press the handle with the finger, control mode is simple, when this process is ended to needs, lift the finger, under the answer spring effect, press the handle to get back to the original position, the passageway separation is again coiled to the silica gel, through this technical scheme, simple finger is pressed and is lifted the extraction observation position tissue fluid that can be convenient accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a first view showing a first usage state when the pressing and sucking mechanism of the present invention is not on;

FIG. 3 is a second view showing the operation state of the pressing and sucking mechanism according to the present invention;

fig. 4 is a schematic structural view of the silica gel ring of the present invention;

FIG. 5 is a view showing the outline of the pressing handle of the present invention;

in the figure, 1, front end; 2. diagnosing and treating accessory channels; 3. a liquid flow pipe; 4. an operation section housing; 5. a pressing and sucking mechanism; 501. a pressing handle; 502. a silica gel ring; 503. a tip; 504. a branch pipe; 505. pressing the base; 506. a return spring; 507. a snap ring; 6. bending the hand wheel; 7. a signal line connection portion.

Detailed Description

In order to make the technical solution fully understood by those skilled in the art, the following description is made with reference to fig. 1 to 5: the invention relates to a medical endoscope, in particular to a medical endoscope used for the parts of kidney, biliary tract, bronchus, and the like. The front end 1 of the invention extends into a lesion part to be observed along a tissue incision, and the image of the part can be reflected to an external display screen through the device, thereby facilitating the analysis of the lesion part by medical personnel. Meanwhile, the equipment can perform micro-operation or normal saline flushing on organ tissues through the diagnosis and treatment accessory channel 2 besides the image transmission function; the steering of the front end 1 is controlled by a bending hand wheel 6; can also be externally connected with a pump body to extract tissue fluid of a lesion part for convenient assay.

The above functions will be explained with reference to the specific structure of the present embodiment:

1. first, the image transmission function of the apparatus as an endoscope is provided. As shown in fig. 1, 2, 4 and 5, a probe is provided at the foremost end of the front end 1, and the acquired image is transmitted to the display device through the front end 1 by the probe, so that the image transmission process is completed. For concrete operation principle and process, reference may be made to the publication No. CN109222854A published japanese 20190118 of "endoscope camera system and image signal transmission method thereof" in the existing patent publication; japanese laid-open patent publication No. CN109222853A published 20190118 of "endoscope and endoscope operation method"; an endoscope probe structure and a urethroendoscope having the same are disclosed in publication No. CN208837903U on Notification No. 20190510.

2. Tissue fluid sampling function. As shown in fig. 2-5, in the actual work of air pumping, in order to know the condition of the tissue of a patient more accurately, the tissue fluid of the tissue needs to be sampled and tested, in order to meet the requirement, the invention adds a pressing and sucking mechanism 5 on an operating part shell 4, the mechanism is connected with an external liquid pump, the liquid pump is communicated with a liquid flow pipe 3 in the product of the invention by manually pressing a control button on the mechanism, the tissue fluid is sucked into the liquid pump through the liquid flow pipe 3, and the tissue fluid is taken out and tested by a person after a certain amount. The specific structure of the pressing and attracting mechanism 5 and its operation will be described below: the pressing and sucking mechanism 5 is provided with a pressing handle 501 and a silicon rubber ring 502, the center of the silicon rubber ring 502 is provided with a notch, the center of the pressing handle 501 is provided with a sharp head 503, in a natural state, the notch in the center of the silicon rubber ring 502 is closed, and is used for blocking the liquid flowing in the shunt branch pipe 504 to prevent the liquid from flowing to the outside, at the moment, if the pressing handle 501 is manually pressed, the pressing handle 501 moves downwards, the sharp head 503 falls down and is inserted into the notch in the center of the silicon rubber ring 502 to open, and the liquid in the shunt branch pipe 504 can pass through the notch to enter the pump body under the. The pressing handle 501 and the silicone ring 502 are core components of the pressing suction mechanism 5, but only the two structures cannot form a complete mechanism, so that a pressing base 505 and a return spring 506 are added on the basis, wherein the pressing base 505 is arranged at the bottom of the silicone ring 502 and fixed in the operating part shell 4, and the center of the pressing base is provided with a hole communicated with the shunt branch pipe 504 for supporting and fixing the silicone ring 502 and aligning the central port of the silicone ring 502 with the shunt branch pipe 504; the spring sets up in the outside of pressing base 505 for to press handle 501 reverse push back, avoid pressing handle 501 to press and can't kick-back and lead to the unable interrupt of process that the drawing pump absorbed the tissue fluid after pressing down, for better cooperation spring, offered round snap ring 507 in the outer lane position of pressing handle 501, as shown in fig. 2-3, its holistic working process is: the spring is arranged in a spring snap ring 507 of the pressing handle 501, the spring is compressed when the manual pressing handle 501 falls down, until a tip 503 of the pressing handle 501 is inserted into a central incision of the silicone ring 502 to open the incision, at the moment, the infusion pump can pump the tissue fluid at the position of the head of the front end 1 into the pump body, when the process needs to be stopped, the pressing handle 501 is loosened manually, the pressing handle 501 returns to the original position under the elastic force of the spring, the tip 503 of the pressing handle 501 is drawn out from the incision of the silicone ring 502 to close the incision, the communication relation between the branch pipe 504 and the infusion pump is cut off, the tissue fluid cannot enter the pump body, namely the process of sucking the tissue fluid is stopped, and it needs to be noted that the pressing handle 501 is arranged into an S-shaped avoiding structure (as shown in fig. 5), the structure can be convenient for the left-right manual operation of a product, and the use of the.

The working principle of the invention is as follows:

the invention is connected with external apparatus through the channel 2 of the diagnosis and treatment attachment, connect with the liquid pump together through the pressing handle 501, make the front end 1 enter the tissue from the incision of the tissue to be observed at first, until reaching the tissue position needing to be observed, the medical staff can observe the tissue situation through the display screen connected externally, if needing to collect the tissue fluid and using for the assay analysis, can press the pressing handle 501 manually, make the shunt branch pipe 504 and liquid pump conduct, the liquid pump is negative-pressure, the tissue fluid enters the liquid pump and is collected through the front end 1, flow tube 3, shunt branch pipe 504, pressing handle 501, need to stop the extraction process, only need to lift the pressing handle 501 up, after this product is finished using, draw the front end 1 out and clean, every external organization is removed and collected.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. An endoscope suction structure comprises a front end inserted into a diseased region and used for peeping internal conditions, a signal wire connecting part connected with external equipment and used for fixing a signal wire, and an operation part shell for supporting other components, wherein a front end rotating part which is connected with the operation part shell and can rotate along the axis of the front end rotating part is arranged at a position where the front end is close to the operation part shell.

2. The endoscope suction structure according to claim 1, wherein the pressing suction mechanism comprises: the operation portion shell is internally provided with a silica gel ring used for stopping outflow of tissue fluid in the pipeline, and a pressing handle used for opening the silica gel ring to enable outflow of the tissue fluid and arranged outside the operation portion shell, and the pressing handle is a medical stainless steel handle.

3. The endoscope suction structure according to claim 2, wherein the silicone ring is made of medical or food grade silicone, a cut is reserved in the center of the silicone ring, the cut penetrates through two end faces of the silicone ring, a Y-shaped cut is selected as the cut, the pressing handle is an L-shaped special pipe with a through hole in the center, a pointed end inserted into a Y-shaped interface is arranged at the lower end of the L-shaped special pipe, and after the pointed end of the pressing handle is inserted into the center cut of the silicone ring, the center cut of the silicone ring is opened and communicates a pipeline at the bottom of the silicone ring with the through hole of the pressing handle at the upper part of the silicone ring.

4. The endoscope suction structure according to claim 3, wherein a portion of the pressing handle away from the tip is used for communicating with an externally-connected liquid pump, and the pipeline of the portion is configured to be S-shaped in shape so as to avoid interference of the portion with a human hand during manual operation.

5. The endoscope suction structure according to claim 2, wherein the pressing suction mechanism further comprises: the support the base of pressing of silica gel circle with set up in the answer spring of pressing the base outside, press the base and be fixed in the inside of operating portion shell and set up in silica gel circle bottom, it has the pore to open at the center of pressing the base, and this pore with the centre of rotation of silica gel circle is coaxial, answer the spring housing in press the outside of base, and its one end with press the base contact, the other end with press the press handle contact, press the handle and can compress when receiving external force and push down answer the spring, after the external force uninstallation, press the handle and can answer the original position before pushing down under the spring action of answer spring, it is medical stainless steel base to press the base.

6. The endoscope suction structure according to claim 5, wherein a ring of snap ring for stabilizing the return spring to prevent it from being disconnected during compression and return is disposed at a position of the outer ring of the pressing handle and the collet, the snap ring is connected and fixed to the pressing handle, and the return spring is disposed in the snap ring.

7. The endoscope suction structure according to claim 1, wherein a branch flow pipe is arranged between the pressing suction mechanism and the front end, one end of the branch flow pipe is communicated with the central through hole of the pressing suction mechanism, the other end of the branch flow pipe is directly or indirectly communicated with the central through hole of the front end, a pipeline is provided for the pressing suction mechanism to suck interstitial fluid in organ tissues, and the branch flow pipe is a medical plastic catheter.

8. An endoscopic aspiration structure according to claim 1, further comprising: diagnosing and treating accessory channels: the operating part is arranged on one side of the operating part shell, is communicated with the front end through a pipeline and is used for performing micro-operation on organ tissues through external equipment; and the liquid flow pipe is arranged between the diagnosis and treatment accessory channel and the front end and is used for communicating the diagnosis and treatment accessory channel with the front end.

9. The suction structure of an endoscope according to claim 8, wherein said fluid tube is configured as a three-way structure, and connects said front end, said medical accessory channel, and said branch manifold.