CN219183875U - Biopsy forceps with portable inspection equipment - Google Patents

Abstract

The utility model relates to the technical field of medical instruments and discloses a biopsy forceps which can carry inspection equipment. The biopsy forceps of the utility model, which can carry inspection equipment, comprises: an outer tube, an inner tube, and a clamp. The two ends of the outer tube are respectively provided with a handle portion and an insertion portion, and the clamp is arranged on the insertion portion, including: a first forceps For the pick-up piece and the second clamp pick-up piece, the inner tube is provided with a penetrating inspection channel, and the inner tube is slidably passed through the outer tube, and is slidably connected with the first clamp pick-up piece and the second clamp pick-up piece. The biopsy forceps of the utility model, which can carry inspection equipment, inspection equipment such as confocal laser microendoscope, etc., are installed in the inspection channel of the inner tube, and the biopsy forceps are inserted into the lesion parts of the human body. Wait for the inspection equipment to inspect the lesion and obtain high-resolution real-time dynamic imaging. After determining the abnormal tissue, the first forceps and the second forceps are close to each other, and the sample tissue at the corresponding position is clamped to ensure the accuracy of sampling. sex, shortening the operation time.

Description

Biopsy forceps with portable inspection equipment

technical field

The embodiment of the utility model relates to the technical field of medical devices, in particular to a biopsy forceps capable of carrying inspection equipment.

Background technique

Disposable biopsy forceps or biopsy forceps are commonly used tools for sampling biopsies under endoscopes such as the digestive tract and respiratory tract.

The working principle of the biopsy forceps is: locate the lesion area through navigation or other positioning devices, then send the biopsy forceps into the lesion area of the human body through the endoscope, and take an appropriate amount of living sample tissue in the lesion area of the human body for subsequent pathological analysis Research.

However, the biopsy forceps currently used clinically have only a single sampling function, and it cannot be confirmed whether the sample tissue to be clamped is an abnormal tissue at the lesion site before sampling. If the normal tissue of the lesion is taken by forceps during sampling, it will lead to wrong diagnosis; or in order to get the abnormal tissue of the lesion, it is necessary to forceps as much sample tissue as possible, which will increase the operation time and increase the patient's life expectancy. Pain; and after positioning, the biopsy forceps cannot reach the lesion area accurately.

Utility model content

The purpose of this utility model is to provide a biopsy forceps with portable inspection equipment to solve the above-mentioned problems in the background technology.

The embodiment of the utility model provides a biopsy forceps capable of carrying inspection equipment, including: an outer tube, an inner tube, and a clamp;

The outer tube is a flexible tube, and the proximal end and the far end of the outer tube are respectively provided with a handle portion and an insertion portion;

The handle portion is used for holding;

The clamp is arranged on the insertion part, including: a first clamping part and a second clamping part;

The inner pipe is provided with a through inspection channel, and the inspection channel is used for passing inspection equipment;

The inner tube is slidably passed through the outer tube, the handle part and the insertion part, and is slidably connected with the first pincer part and the second pincer part, and the inner tube is pushed and pulled It is used to make the first clamping part and the second clamping part approach and move away from each other, and when the first clamping part and the second clamping part are far away from each other, it is used for inspection equipment However, it is used to take biopsy tissue when they are close to each other.

Based on the above scheme, it can be seen that the biopsy forceps of the portable inspection device of the present utility model is provided with an outer tube, an inner tube and a clamp, and the two ends of the outer tube are respectively provided with a handle part and an insertion part, and the clamp is arranged on the insertion part. It includes: a first forceps extractor and a second forceps extractor, the inner tube is provided with a penetrating inspection channel, the inner tube is slidably threaded in the outer tube, and is slidably connected with the first forceps extractor and the second forceps extractor. The biopsy forceps capable of carrying inspection equipment of the utility model, inspection equipment such as a confocal laser microendoscope are installed in the inspection channel of the inner tube, and are combined with the biopsy forceps. The biopsy forceps are inserted into the lesion site of the human body by means of the forceps of the endoscope. Push and pull the inner tube to separate the first forceps part and the second forceps part from each other, use confocal laser endoscopic microscope and other inspection equipment to inspect the lesion site, obtain high-resolution real-time dynamic imaging, and distinguish abnormal ( After the lesion) tissue, push and pull the inner tube again, so that the first forceps and the second forceps are close to each other, and the sample tissue at the corresponding position is targeted to ensure the accuracy of sampling, shorten the operation time, and reduce the patient suffering.

In a feasible solution, the insertion part includes: a mounting seat and a fixed shaft;

The mounting seat is fixedly connected to the outer tube, and the mounting seat is provided with a rectangular through groove;

The fixed shaft is arranged at the far end of the mounting seat and is located in the rectangular through groove, and the fixed shaft is provided with a through hole, and the through hole is used for inspection equipment to pass through;

The first clamping part and the second clamping part are rotatably arranged on the fixed shaft. With this structure, the connection between the clamp and the insertion part is facilitated.

In a feasible solution, both the first clamping part and the second clamping part include: a clamping cover and a forceps handle;

The pliers handle is rotatably mounted on the fixed shaft, and the pliers handle is provided with an arc-shaped through groove;

The inner tube includes: a push-pull tube and a connecting rod;

Protruding columns are provided on both sides of the connecting rod;

The push-pull tube is installed in the outer tube, the connecting rod is located in the rectangular slot and connected with the push-pull tube, and the protruding column is slidably clamped in the arc-shaped slot, The push-pull tube is used to drive the mounting seats of the first clamping part and the second clamping part to approach and move away from each other when being pushed and pulled. With this structure, the linkage between the inner tube and the clamp is realized.

In a feasible solution, a limit block is provided at the end of the connecting rod, the protruding column is arranged on the limit block, and the limit block is used to limit the movement of the connecting rod. With this structure, the inner tube is prevented from coming off from the clamp.

In a feasible solution, the clamp cover is provided with an observation hole. With this structure, it is more convenient to forceps biopsy tissue.

In a feasible solution, the handle part is provided with a double-finger ring sleeve for fingers to pass through;

An anti-bending tube is provided at the far end of the handle part, and the outer tube is passed through the anti-bending tube and connected with the handle part. With this structure, it is convenient to hold multiple biopsy forceps.

In a feasible solution, the proximal end of the inner tube is provided with a metal tube, a thumb push rod and a plugging block;

The thumb push rod is slidably installed in the handle part, and the thumb push rod is provided with a thumb ring and a U-shaped groove;

The stopper block is fixed in the U-shaped groove, the metal tube is passed through the handle part, and the two ends of the metal tube are respectively connected with the push-pull tube and the stopper block. With this structure, it is convenient to push and pull the inner tube.

In a feasible solution, an end cap is provided at the end of the stopper, and the end cap is used to abut against the end surface of the thumb push rod. With this structure, the inner tube is prevented from coming off from the handle.

In a feasible solution, the mounting seat is fixedly connected to the outer tube, and the fixed shaft is connected to the mounting seat by means of laser welding. With this structure, the connection is stronger.

In a feasible solution, the outer tube includes: a spring tube and an insulating sleeve;

The insulating sleeve is sleeved on the spring tube. With this structure, it is safer to use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings on the premise of not paying creative labor.

Fig. 1 is the schematic diagram of the biopsy forceps of portable examination equipment in the utility model embodiment;

Fig. 2 is the enlarged view of A place in Fig. 1 in the utility model embodiment;

Fig. 3 is the enlarged view of the B place in Fig. 1 in the utility model embodiment;

Fig. 4 is a partial enlarged view of the distal end of the biopsy forceps in the embodiment of the present invention;

Fig. 5 is the schematic diagram of the thumb push rod in the utility model embodiment;

Fig. 6 is a schematic diagram of the plugging block in the embodiment of the present invention.

Labels in the figure:

1. Outer tube; 101. Spring tube; 102. Insulation sleeve; 11. Handle part; 111. Double finger ring sleeve; 112. Anti-bending tube; 12. Insertion part; 121. Mounting seat; 1211. Rectangular slot; 122. Fixed shaft; 2, inner tube; 21, push-pull tube; 22, connecting rod; 23, metal tube; 24, thumb push rod; 241, thumb ring; 242, U-shaped groove; 25, plugging block; 251, end cap; 221, protruding column; 222, limit block; 3, clamp; 301, clamp cover; 3011, observation hole; 302, clamp handle; Take the piece with the second forceps.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", and "circumferential" are based on the drawings The orientation or positional relationship shown is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to the present invention. Utility model restrictions.

In this utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. A connection can also be integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediary, it can be the internal communication of two components or two Interaction relationship of elements, unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The technical scheme of the utility model is described in detail below with specific embodiments. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

As described in the background technology of this application, the working principle of the biopsy forceps is: locate the lesion area through navigation or other positioning devices, and then send the biopsy forceps into the lesion area of the human body through the endoscope, and take an appropriate amount of living body in the lesion area of the human body Sample tissue for subsequent pathological analysis.

Inspection equipment such as: Confocal laser endomicroscopy (CLE for short), is a new imaging technology that can perform non-invasive histological examination in vivo and obtain high-resolution real-time dynamic imaging, including needle type Confocal laser endomicroscopy eCLE and probe confocal laser endomicroscopy pCLE. CLE has many natural advantages in the detection and diagnosis of various lung diseases in the respiratory system. CLE achieves high-resolution imaging at the cell level in vivo, making it a true "optical biopsy" technology that extends the observation range of confocal microscopy to in vivo. CLE also has high-resolution, real-time imaging, and relatively non-invasive features, making it play an important role in the research of chronic airway diseases, real-time diagnosis of lung tumors, guided biopsy, dynamic assessment and follow-up of lung diseases, etc. Especially for the diagnosis of lung lesions that require multiple points and multiple pathological samples but cannot be tolerated by patients, CLE has unique advantages.

The inventors of the present application found that the biopsy forceps currently used clinically only have a single sampling function, and it is impossible to confirm whether the sample tissue to be clamped is abnormal tissue at the lesion site before sampling. If the normal tissue of the lesion is taken by forceps during sampling, it will lead to wrong diagnosis; or in order to get the abnormal tissue of the lesion, it is necessary to forceps as much sample tissue as possible, which will increase the operation time and increase the patient's life expectancy. Pain; and after positioning, the biopsy forceps cannot reach the lesion area accurately. CLE also has a defect. It is difficult for CLE to achieve repeatability in the area of living lung tissue exploration, and it is difficult to form a one-to-one map between CLE images and biopsy specimen histology. Therefore, it is a problem faced by those skilled in the art how to combine biopsy forceps and inspection equipment such as the needle-type confocal laser endoscope eCLE for integrated use.

In order to solve the above problems, the inventor of the present application has proposed the technical scheme of the present application, and the specific embodiments are as follows:

Fig. 1 is a schematic diagram of the biopsy forceps of the portable inspection equipment in the embodiment of the present utility model, Fig. 2 is the enlarged view of A in Fig. 1 in the embodiment of the present utility model, Fig. 3 is in the embodiment of the present utility model The enlarged view of the B place in Fig. 1, Fig. 4 is the partial enlarged view of the distal end of the biopsy forceps in the embodiment of the utility model, Fig. 5 is the schematic diagram of the thumb push rod in the embodiment of the utility model, Fig. 6 is the utility model embodiment Schematic of the stopper block in the novel embodiment.

As shown in FIG. 1 to FIG. 6 , the biopsy forceps of the present embodiment, which can carry inspection equipment, includes: an outer tube 1 , an inner tube 2 and a clamp 3 .

The outer tube 1 is a bendable flexible tube made of medical materials. The proximal end of the outer tube 1 is provided with a handle portion 11 to facilitate the holding of the biopsy forceps. The distal end of the outer tube 1 is provided with an insertion portion 12 . The handle part 11 and the insertion part 12 are respectively fixedly connected to the proximal end and the distal end of the outer tube 1, and the handle part 11, the outer tube 1 and the insertion part 12 are provided with passages communicating with each other.

The clamp 3 is arranged on the insertion portion 12 at the distal end of the outer tube 1 , and the clamp 3 includes: a first clamping part 31 and a second clamping part 32 .

The inner tube 2 is provided with a penetrating inspection channel, and the inspection channel of the inner tube 2 is used for inspection equipment such as CLE to pass through, so that the inspection equipment can reach the distal end of the biopsy forceps.

The inner tube 2 is slidably installed in the channel of the outer tube 1, the handle part 11 and the insertion part 12, and the distal end of the inner tube 2 is slidably connected with the first clamping part 31 and the second clamping part 32 of the clamp 3, The proximal end of the inner tube 2 protrudes from the handle portion 11 to facilitate pushing and pulling of the inner tube 2 .

In this embodiment, inspection equipment such as confocal laser endoscope (CLE) and small ultrasonic probe are installed in the inspection channel of the inner tube to reach the insertion part at the distal end of the outer tube, and the insertion part of the outer tube passes through the endoscope. The forceps are sent into the lesion area of the human body. Push and pull the inner tube to make the first forceps and the second forceps away from each other, the inspection equipment stretches out the clamps, scans the lesion area, and sends the signal to the computer to generate an image to judge the benign and malignant tissue of the lesion area. After the abnormal tissue is determined, the inspection equipment is withdrawn, the inner tube is pulled to bring the first forceps and the second forceps close to each other, the first forceps and the second forceps are closed when they are close to each other, and the forceps biopsy Tissue, complete biopsy sampling.

It is not difficult to find from the above content that the biopsy forceps of the portable inspection device in this embodiment is provided with an outer tube, an inner tube and a clamp, and the two ends of the outer tube are respectively provided with a handle part and an insertion part, and the clamp is arranged It includes: a first clamping part and a second clamping part, the inner tube is provided with a penetrating inspection channel, and the inner tube is slidably passed through the outer tube, and is slidably connected with the first clamping part and the second clamping part. In this embodiment, the biopsy forceps capable of carrying inspection equipment, inspection equipment such as a confocal laser endoscope are installed in the inspection channel of the inner tube, and combined with the biopsy forceps. The biopsy forceps are inserted into the lesion of the human body with the help of the endoscope channel, and the inner tube is pushed and pulled to separate the first forceps and the second forceps from each other, and the lesion is inspected by confocal laser microendoscopy and other inspection equipment. , to obtain high-resolution real-time dynamic imaging, after distinguishing the abnormal (focus) tissue, push and pull the inner tube again, so that the first forceps and the second forceps are close to each other, and the corresponding position is targeted The sample tissue ensures the accuracy of sampling, shortens the operation time, and reduces the pain of the patient.

Optionally, as shown in FIG. 2 and FIG. 4 , the insertion part 12 of the biopsy forceps of the portable inspection device in this embodiment includes: a mounting seat 121 and a fixed shaft 122 .

One end of the mounting base 121 is fixedly connected with the outer tube 1 , a through hole is formed in the center of the mounting base 121 , and a rectangular through groove 1211 is formed at the far end of the mounting base 121 .

The fixed shaft 122 is fixedly arranged on the other end (far end) end of the mounting base 121, and is located in the rectangular through groove 1211 of the mounting base 121. The central axes of the holes coincide with each other for inspection equipment to pass through.

The first clamping part 31 and the second clamping part 32 of the clamp 3 are rotatably arranged on the fixed shaft 122 and are slidably connected with the inner tube 2 .

Furthermore, in the biopsy forceps capable of carrying inspection equipment in this embodiment, the first forceps 31 and the second forceps 32 of the clamp 3 both include: a forceps cover 301 and a forceps handle 302 .

The pliers handle 302 of the first pliers 31 and the second pliers 32 is rotatably installed on the fixed shaft 122, and the pliers handle 302 is located at the rectangular slot 1211 of the mount 121, and the side wall of the pliers handle 302 is provided with Arc-shaped through groove 3021 is arranged. The clamping cover 301 of the first clamping part 31 and the second clamping part 32 is in the shape of a semicircle and is located on the outside of the mounting seat 121. When the first clamping part 31 and the second clamping part 32 approach each other, two The clamp covers 301 are closed to each other, and the biopsy tissue of the human body is clamped.

The inner tube 2 includes: a push-pull tube 21 and a connecting rod 22 .

Two side walls of the connecting rod 22 are provided with protruding posts 221 .

The push-pull tube 21 is passed through the outer tube 1 , the connecting rod 22 is passed through the through hole of the mounting base 121 , and extends into the rectangular through groove 1211 of the mounting base 121 . The connecting rod 22 is fixedly connected with the push-pull tube 21, and the protruding columns 221 on both sides of the connecting rod 22 are respectively slidably clamped in the arc-shaped slots 3021 of the pliers handles 302 of the first pliers 31 and the second pliers 32. Inside.

In this embodiment, when the push-pull tube is pulled, and when the push-pull tube drives the connecting rod to move to the far end, the protruding columns on the left and right of the connecting rod move from the proximal end of the first forceps pick-up piece and the second clamp pick-up piece to the far end, so that the first clamp pick-up piece The clamping covers of the clamping piece and the second clamping piece are gradually opened. When the connecting rod reaches the fixed shaft, the opening angle of the first tong pick and the second tong pick reaches the maximum, and the inspection equipment can smoothly pass through the passage of the connecting rod, pass through the through hole of the fixed shaft, and then pass through the opening of the tensioner. Extend out from the middle of the two opened forceps to scan and inspect human tissues. When the connecting rod moved to the proximal end, the protruding posts on the left and right sides of the connecting rod moved to the proximal end from the far ends of the first clamping part and the second clamping part, so that the clamps of the first clamping part and the second clamping part moved toward the proximal end. Take the hood closed gradually. When the connecting rod is the farthest from the fixed shaft, the clamp covers of the first forceps extractor and the second forceps extractor are tightly closed, and the biopsy tissue of the human body is clamped to realize biopsy sampling.

Further, in the biopsy forceps that can carry inspection equipment in this embodiment, the distal end of the connecting rod 22 is provided with a square stopper 222, and the protruding posts 221 are arranged on both side walls of the stopper 222, When the limit block 222 abuts against the end surface of the mounting base 121 , it limits the movement of the connecting rod 22 and prevents the protruding post 221 on the limit block from slipping out of the arc-shaped slot 3021 of the pliers handle 302 .

Further, in the biopsy forceps of the portable inspection device in this embodiment, the grasping covers 301 of the first forceps 31 and the second forceps 32 are provided with observation holes 3011 . The inspection equipment can pass through the observation hole on the forceps extraction cover to observe the tissue taken by the biopsy forceps, which is more conducive to the operation of biopsy sampling.

Further, as shown in Fig. 3, Fig. 5 and Fig. 6, in the biopsy forceps of the portable inspection device in this embodiment, the side wall of the handle part 11 is provided with a double-finger ring sleeve 111, and the operator's two fingers pass through the two The ring cover 111 realizes the holding of the biopsy forceps and is more convenient to use.

The distal end of the handle part 11 is provided with an anti-bending tube 112 , and the proximal end of the outer tube 1 is passed through the anti-bending tube 112 to be fixedly connected with the handle part 11 .

Furthermore, the proximal end of the inner tube 2 is provided with a metal tube 23 , a thumb push rod 24 and a plugging block 25 in the biopsy forceps capable of carrying inspection equipment in this embodiment.

The thumb push rod 24 is slidably installed in the channel of the handle part 11, and the side wall of the thumb push rod 24 is provided with a thumb ring 241, and the thumb ring 241 is arranged on the outside of the handle part 11 for the fingers of the operator to pass through. .

The thumb push rod 24 is provided with a through U-shaped groove 242, and the plugging block 25 is set in the U-shaped groove 242 of the thumb push rod 24. The two ends are fixedly connected with the push-pull tube 21 and the plugging block 25 respectively.

In this embodiment, the fingers push and pull the thumb push rod, and the thumb push rod drives the metal pipe, the push-pull pipe and the connecting rod to move, so that the connecting rod is close to or away from the fixed shaft, so as to realize the clamping cover of the first clamping part and the second clamping part close or far away.

Further, in the biopsy forceps that can carry inspection equipment in this embodiment, the end of the plugging block 25 is provided with an end cap 251, and the end cap 251 is opposed to the end surface of the thumb push rod 24 to prevent the plugging block from detaching from the thumb push rod.

Further, in the biopsy forceps that can carry inspection equipment in this embodiment, the fixed shaft 122 of the insertion part 12 is fixedly connected to the mounting base 121 by laser welding, and the mounting base 121 is also fixedly connected to the outer tube 1 by laser welding .

Furthermore, the outer tube 1 of the biopsy forceps capable of carrying inspection equipment in this embodiment includes: a spring tube 101 and an insulating sheath 102 .

The insulating sheath 102 is sheathed and wrapped on the outer wall of the spring tube 101 to form an insulating layer on the outside of the spring tube 101. The outer tube is a flexible tube body, which is convenient to extend into the bronchi distal end of the human body. Of course, the outer tube can also be replaced by a bendable polymer plastic tube.

In the biopsy forceps of the utility model, which can carry inspection equipment, the fixed shaft, the mounting seat, the outer tube, the anti-bending tube and the handle part are fixedly connected in sequence to form a hollow outer tube structure. The connecting rod, the push-pull tube, the metal tube and the stopper are fixedly connected in sequence to form a hollow inner tube structure. The needle-type confocal laser endoscopic microscope nCLE is installed in the detection channel of the inner tube structure and combined with the biopsy forceps into an integrated structure. The assembled optical biopsy forceps enter the human body through the endoscope, and achieve high-resolution imaging at the cell level in the living body through nCLE. After distinguishing abnormal tissues, the biopsy forceps are used to specifically clamp the sample tissue at the corresponding position immediately. , which can not only perform real-time imaging, but also form a one-to-one map between CLE images and biopsy specimen histology, which can realize precise positioning of small lesions and multiple pathological sampling at multiple points during one operation.

The working process of biopsy forceps is:

1. Insert the needle-type confocal laser endoscope nCLE into the hole of the plugging block at the end of the handle, nCLE passes through the hollow area formed by the metal tube, the push-pull tube and the connecting rod in turn, and reaches the first end of the biopsy forceps head. In the cavity formed by the first clamping piece and the second clamping piece.

2. Send the biopsy forceps inserted into the needle-type confocal laser microscope into the general lesion area through the endoscope. After the position is determined, push the thumb push rod to open the forceps extraction cover of the first forceps extraction part and the second forceps extraction part.

3. After the forceps extraction cover is opened, the needle-type confocal laser endoscopic microscope will continue to be sent into the biopsy tissue, and the signal will be transmitted to the computer to generate a CLE image to judge whether it is benign or malignant. The push-pull tube and the connecting rod retreat, and the clamp cover of the first forceps extraction part and the second forceps extraction part are closed for sampling.

4. The tissue samples after sampling are subjected to pathological tissue examination and CLE images to form a one-to-one atlas.

5. If multiple pathological samples are required for multiple points, repeat steps 2 and 3.

In the present invention, unless otherwise specified and limited, the first feature may be in direct contact with the second feature, or the first feature and the second feature may pass through Intermediary indirect contact.

Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

In the description of this specification, reference to the description of the terms "one embodiment", "some embodiments", "example", "specific examples" or "some examples" means that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (10)

1. A biopsy forceps carrying an examination device, comprising: an outer tube, an inner tube and a clamp;

the outer tube is a flexible tube, and a handle part and an insertion part are respectively arranged at the proximal end and the distal end of the outer tube;

the handle part is used for holding;

the clamp is provided on the insertion portion, including: the first clamping piece and the second clamping piece;

the inner tube is provided with a penetrating inspection channel, and the inspection channel is used for the inspection equipment to pass through;

the inner tube slidable wears to establish the outer tube the handle portion with in the insertion portion, with first pincers get piece with second pincers get piece sliding connection, the inner tube is used for when the push-and-pull first pincers get piece with second pincers get piece be close to each other and keep away from, first pincers get piece with second pincers get piece be away from each other when being used for the check out set to pass, be used for pincers to get biopsy when being close to each other.

2. The biopsy forceps of claim 1, wherein the insertion portion comprises: the device comprises a mounting seat and a fixed shaft;

the mounting seat is fixedly connected with the outer tube and is provided with a rectangular through groove;

the fixing shaft is arranged at the far end of the mounting seat and is positioned in the rectangular through groove, and the fixing shaft is provided with a through hole for the inspection equipment to pass through;

the first clamping piece and the second clamping piece are rotatably arranged on the fixed shaft.

3. The biopsy forceps of claim 2, wherein the first and second forceps members each comprise: a clamp cover and a clamp handle;

the clamp handle is rotatably arranged on the fixed shaft in a penetrating way, and is provided with an arc-shaped through groove;

the inner tube includes: a push-pull tube and a connecting rod;

protruding columns are arranged on two sides of the connecting rod;

the push-pull tube is arranged in the outer tube in a penetrating mode, the connecting rod is located in the rectangular through groove and connected with the push-pull tube, the protruding columns are slidably clamped in the arc through groove, and the push-pull tube is used for driving the first clamping piece and the second clamping piece to be close to and far away from the mounting seat when being pushed and pulled.

4. A biopsy forceps for a portable examination apparatus according to claim 3, wherein the end of the connecting rod is provided with a stopper, the protruding post being provided on the stopper, the stopper being adapted to limit movement of the connecting rod.

5. A biopsy forceps for a portable examination apparatus according to claim 3, wherein the forceps cover is provided with a viewing aperture.

6. A biopsy forceps for a portable examination device according to claim 3, wherein the handle portion is provided with a double finger cuff for passing a finger therethrough;

the distal end of the handle part is provided with an anti-folding tube, and the outer tube is arranged in the anti-folding tube in a penetrating way and is connected with the handle part.

7. The biopsy forceps of claim 6, wherein the proximal end of the inner tube is provided with a metal tube, a thumb push and a stop;

the thumb push rod is slidably arranged in the handle part in a penetrating way, and is provided with a thumb ring and a U-shaped groove;

the plug adding block is clamped in the U-shaped groove, the metal pipe penetrates through the handle part, and two ends of the metal pipe are connected with the push-pull pipe and the plug adding block respectively.

8. The biopsy forceps of claim 7, wherein the end of the stop block is provided with an end cap for abutment with an end face of the thumb pushrod.

9. The biopsy forceps of claim 2, wherein the mounting block is fixedly connected to the outer tube and the stationary shaft is fixedly connected to the mounting block by laser welding.

10. Biopsy forceps carrying an examination device according to any of claims 1-9, wherein the outer tube comprises: a spring tube and an insulating sleeve;

the insulating sleeve is sleeved on the spring tube.

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