CN218852744U

CN218852744U - Biopsy forceps capable of rotating 360 degrees

Info

Publication number: CN218852744U
Application number: CN202221744054.5U
Authority: CN
Inventors: 童文锦; 庞世会; 刘杰
Original assignee: Wilson Instruments Shanghai Co ltd
Current assignee: Wilson Instruments Shanghai Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-04-14
Anticipated expiration: 2032-07-07

Abstract

The utility model provides a biopsy forceps capable of rotating 360 degrees, which comprises a forceps head component and a control component; the control assembly comprises a small pull rod, a rotary steel wire rope, a pull rod, a clamp ring and a clamp handle; the clamp ring is connected with the clamp handle in a sliding mode, and the pull head is clamped in the clamp ring; the pull head is sequentially and fixedly connected with the pull rod, the rotating steel wire rope, the small pull rod and the plier head assembly; an outer sheath tube is arranged outside the rotary steel wire rope, the near end of the outer sheath tube is arranged in the forceps handle, and the far end of the outer sheath tube is fixedly connected with the rotary connecting tube A; the near end of the rotary spring tube is rotatably arranged in the rotary connecting tube A through the rotary connecting tube B, and the rotary spring tube is fixedly connected with the supporting frame. The utility model discloses rotation when realizing the binding clip and using to it is more convenient to press from both sides in the face of different tissue forms and get pathological change tissue, changes the clamp and gets the tissue, and is located the outer tube that the endoscope pincers said and is in the immobile state, can effectively avoid wearing and tearing the pincers way of endoscope.

Description

Biopsy forceps capable of rotating 360 degrees

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a biopsy forceps that can 360 degrees rotations.

Background

The biopsy forceps are a common medical examination and treatment method at present, and enter a human body through an endoscope, and position a suspicious lesion position from an image, pick the suspicious lesion tissue, and perform pathological biopsy and cytology examination on the suspicious lesion tissue, or directly pick the suspicious lesion tissue. It has the advantages of small wound, less surgical complications, small influence on patients and the like.

However, when the existing biopsy forceps are matched with an endoscope to carry out in-vivo examination and treatment, the structures of an internal intestinal tract and an upper digestive tract are complex, the positions and the forms of pathological change tissues are changeable, the direction of the jaw position of the common biopsy forceps is singly fixed, inconvenience is brought to operation, smooth sampling is brought to doctors, the sheath tube also synchronously rotates when the forceps head rotates, the sheath tube is arranged in the endoscope forceps channel when in use, and the rotation of the outer tube easily causes scratch and abrasion of the endoscope forceps channel.

In view of the above problems, it is imperative to provide a novel biopsy forceps to solve the problems of convenience of clinical operation of doctors and improvement of clinical experience of patients.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above-mentioned prior art not enough, provide a biopsy forceps that can 360 degrees rotations, realize rotating the binding clip of operation in-process under the endoscope, adjust the optimum angle, it is more convenient to press from both sides the pathological change tissue in the face of different tissue forms clamp, changes the clamp and gets the tissue of lower required position, and the outer sheath pipe that just is located endoscope pincers way is in the immobile state, can effectively avoid wearing and tearing the pincers way of endoscope.

The utility model discloses a solve the not enough following technical scheme of adoption of above-mentioned technique:

the biopsy forceps capable of rotating 360 degrees are provided and comprise a forceps head assembly and a control assembly;

the control assembly comprises a small pull rod, a rotary steel wire rope, a pull rod, a clamp ring and a clamp handle; the clamp ring is connected with the clamp handle in a sliding mode, a sliding groove is formed in the middle of the clamp handle, the clamp ring is composed of a cover plate and a base, and a pull head is clamped between the cover plate and the base and can move in the sliding groove along the axial direction; the pull head is sequentially and fixedly connected with the pull rod, the rotating steel wire rope, the small pull rod and the plier head assembly; an outer sheath tube is arranged outside the rotary steel wire rope, the far end of the rotary steel wire rope extends out of the outer sheath tube, the near end of the outer sheath tube is arranged in the forceps handle, and the far end of the outer sheath tube is fixedly connected with the rotary connecting tube A; the near end of the rotary spring tube is rotatably arranged in the rotary connecting tube A through the rotary connecting tube B, the far end of the rotary spring tube is fixedly connected with a support frame, and the tong head assembly is connected to the far end of the support frame through a large rivet.

Furthermore, the binding clip subassembly includes left binding clip and right binding clip and cylindric big rivet that can intermeshing, big rivet runs through in the left binding clip with the inside of right binding clip, left binding clip with right binding clip is the cross arrangement, and with big rivet is swing joint.

Furthermore, the binding clip subassembly still includes left connection piece and right connection piece, the one end swing joint of left side connection piece right binding clip, the one end swing joint of right side connection piece left side binding clip, the other end of left side connection piece and right connection piece with the distal end swing joint of little pull rod.

Furthermore, a first groove is formed in one side face of the distal end portion of the forceps handle, and an upper cover is detachably connected to the first groove and used for fixing the outer sheath tube in the first groove.

Further, the rotating steel wire rope is wrapped with a plastic-coated pipe.

Further, an O-shaped tight ring is installed in the first groove, and the joint of the rotary steel wire rope and the pull rod is sleeved with the O-shaped tight ring.

Furthermore, a holding ring which is convenient for a thumb to pass through for operation is arranged at the proximal end part of the forceps handle

Furthermore, a convex block is further arranged on the cover plate and the base, and a second groove is formed in the convex block and used for placing the pull rod.

Furthermore, the four wings of the cover plate are respectively provided with a first buckle and a first clamping groove in opposite angles, and the four wings of the base are respectively provided with a second buckle and a second clamping groove in opposite angles.

The utility model adopts the above technical scheme, compare with prior art, have following technical advantage:

the utility model discloses a but 360 degrees rotatory biopsy forceps, transmission is simple, and the loss of reducible power and the postponing nature of operation improve the precision of biopsy forceps operation, its simple structure, and convenient operation easily goes up the hand, improves the convenience and the accuracy of doctor's operation.

The utility model discloses a but 360 degrees rotatory biopsy forceps, through the tong ring in binding clip subassembly and the control assembly, the pincers handle, the rotating spring pipe, the rotatory takeover of A, the rotatory 360 degrees rotations of taking over realization biopsy forceps of B, closure and centre gripping action, and the outer sheath pipe that is located the endoscope pincers way is in the stationary state, thereby effectively avoid the pincers way of outer sheath pipe abrasiveness endoscope, the biopsy forceps passes through angle of adjustment, can deal with the tissue of different forms, realize freely snatching in order to gain great suspicious pathological change tissue.

Drawings

Fig. 1 is a schematic front view of a biopsy forceps capable of rotating 360 degrees according to the present invention;

FIG. 2 is an enlarged cutaway schematic view of the left end of FIG. 1;

FIG. 3 is an enlarged cutaway schematic view of the right end of FIG. 1;

fig. 4 is a schematic front view of the upper cover of the present invention;

fig. 5 is a schematic front view of the middle cover plate of the present invention;

fig. 6 is a schematic view of the front view structure of the base of the present invention;

wherein the reference numerals are:

1.1 of a left tong head; 1.2 of a right forceps head; a left connecting sheet 2.1; a right connecting piece 2.2; a large rivet 3; a small pull rod 4; a support frame 5; a rotating spring tube 6; a, rotating the connecting pipe 7; b, rotating the connecting pipe 8; an outer sheath tube 9; rotating the wire rope 10; a plastic-coated pipe 11; an upper cover 12; an O-shaped tight ring 13; a pull rod 14; a slider 15; a clamp ring 16; a cover plate 161; a first buckle 1611; a first card slot 1612; a base 162; a second card slot 1621; a second buckle 1622; a second recess 1613; a bump 1614; a forceps handle 17; a chute 18; a first recess 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", "proximal", "distal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in FIGS. 1-6, the present embodiment provides a 360 degree rotatable bioptome including a jaw assembly and a control assembly;

the control component comprises a small pull rod 4, a rotary steel wire rope 10, a pull rod 14, a clamp ring 16 and a clamp handle 17; the clamp ring 16 is slidably connected with the clamp handle 17, a sliding groove 18 is formed in the middle of the clamp handle 17, the clamp ring 16 is composed of a cover plate 161 and a base 162, the pull head 15 is clamped between the cover plate 161 and the base 162 and can axially move in the sliding groove 18, specifically, a clamping groove can be formed in the cover plate 161 or the base 162, the pull head 15 can be clamped in the clamping groove, and the pull head 15 is in a circular ring structure.

The pull head 15 is sequentially and fixedly connected with the pull rod 14, the rotary steel wire rope 10, the small pull rod 4 and the plier head assembly; the external part of the rotating steel wire rope 10 is provided with an outer sheath tube 9, the far end of the rotating steel wire rope extends out of the outer sheath tube 9, the near end of the outer sheath tube 9 is arranged in the forceps handle 17, and the far end of the outer sheath tube 9 is fixedly connected with the rotating connecting tube A7.

The proximal end of the rotary spring tube 6 is rotatably arranged in the A rotary connecting tube 7 through the B rotary connecting tube 8, the distal end of the rotary spring tube 6 is fixedly connected with the support frame 5, the binding clip assembly is connected to the distal end of the support frame 5 through the large rivet 3, so that the binding clip assembly, the small pull rod 4, the support frame 5, the rotary spring tube 6, the B rotary connecting tube 8, the rotary steel wire rope 10, the clamp ring 16 and the clamp handle 17 can freely rotate together at the same time, and the A rotary connecting tube 7 and the outer sheath tube 9 do not rotate.

In this embodiment, the binding clip assembly includes a left binding clip 1.1 and a right binding clip 1.2 that can be engaged with each other, and a cylindrical big rivet 3, the big rivet 3 penetrates through the insides of the left binding clip 1.1 and the right binding clip 1.2, and the left binding clip 1.1 and the right binding clip 1.2 are arranged in a cross manner, and are movably connected with the big rivet 3.

In this embodiment, the binding clip subassembly still includes left connection piece 2.1 and right connection piece 2.2, the one end swing joint of left side connection piece 2.1 right binding clip 1.2, the one end swing joint of right side connection piece 2.2 left side binding clip 1.1, left side connection piece 2.1 with the other end of right side connection piece 2.2 with the distal end swing joint of little pull rod 4.

In this embodiment, a first groove 19 is formed on one side surface of the distal end portion of the forceps handle 17, the upper cover 12 is detachably connected to the first groove 19, so as to fix the sheath tube 9 in the first groove 19, and the sheath tube 9 and the forceps handle 17 can be separated by mounting or detaching the upper cover 12, which is very convenient.

In this embodiment, the rotating steel wire rope 10 is wrapped by the plastic-coated pipe 11, and the plastic-coated pipe 11 can protect the rotating steel wire rope 10 from directly contacting the outer sheath pipe 9, so as to avoid loss caused by friction, and on the one hand, the rotating steel wire rope 10 can be better moved or rotated in the outer sheath pipe 9.

In this embodiment, an O-shaped tight ring 13 is installed in the first groove 19, and the O-shaped tight ring 13 is sleeved at the connection position of the rotating steel wire rope 10 and the pull rod 14.

In this embodiment, the proximal end of the handle 17 is provided with a holding ring for the thumb to pass through for operation.

In this embodiment, a protrusion 1614 is further disposed on the cover plate 161 and the base 162, and a second recess 1613 is disposed on the protrusion 1614 for placing the pull rod 14.

In this embodiment, the opposite angles of the four wings of the cover plate 161 are respectively provided with a first buckle 1611 and a first clamping groove 1612, the opposite angles of the four wings of the base 162 are respectively provided with a second buckle 1622 and a second clamping groove 1621, in some embodiments, the four wings of the cover plate can be provided with the first buckle 1611 or the first clamping groove 1612, the four wings of the base are provided with the second clamping groove 1621 or the second buckle 1622, and when the cover plate is mounted or dismounted, the buckles or the clamping grooves of the cover plate 161 and the clamping grooves or the buckles of the base 162 can be directly mounted or dismounted correspondingly, which is very convenient.

In this embodiment, by providing the detachable upper cover and the clamp ring, the sheath tube 9, the rotary wire rope 10, the O-shaped clamp ring 13, and the pull rod 14 can be separated from the clamp handle 17, which is convenient for replacing or sterilizing each component, wherein it should be noted that the pull rod 14 is connected with the pull head 15 by the rivet, so that the detachment and installation are also very convenient.

The biopsy forceps capable of rotating 360 degrees in the embodiment are specifically used as follows:

when in use, an operating doctor grasps the outer sheath tube 9 of the device by one hand, and the thumb of the other hand penetrates through the holding ring, the forefinger and the middle finger of the forceps handle 17 to clamp the forceps ring 16, then tightens the forceps ring 16 to close the forceps heads to be sent into the forceps channel tube, and sends the biopsy forceps head end into a suspicious lesion of a human body from the forceps channel tube of the endoscope by pushing the outer sheath tube 9 forwards, and then aims the biopsy forceps head end at the suspicious lesion tissue by observing an endoscope image. The forefinger and the middle finger clamp the clamp ring 16 to apply force forwards, the pull head 15 clamped and fixed in the clamp ring 16 moves forwards along with the force, the pull rod 14, the rotary steel wire rope 10 and the small pull rod 4 are sequentially driven to move forwards, and the small pull rod 4 pushes the clamp head forwards to open.

If the biopsy forceps are opened, the shape of suspicious lesion tissues is not favorable for occluding lower tissues or a larger tissue cannot be occluded, an operator rotates the forceps handle 17 through a thumb, the forceps handle 17 drives the forceps ring 16 to rotate, the forceps ring 16 drives the pull head 15 to rotate, and the pull head 15 drives the rotary steel wire rope 10 to rotate, so that the rotary steel wire rope 10 drives the small pull rod 4 and the forceps head assembly to rotate together, and the rotary spring tube 6 is rotatably arranged in the A rotary connecting tube 7 through the B rotary connecting tube 8, under the action of the rotary force, the forceps head assembly, the small pull rod 4, the support frame 5, the rotary spring tube 6, the B rotary connecting tube 8, the rotary steel wire rope 10, the forceps ring 16 and the forceps handle 17 can freely rotate together at the same time, the A rotary connecting tube 7 and the outer sheath tube 9 do not rotate, and then the fixed after the suitable grabbing angle is adjusted.

When the suspicious lesion tissue clamp needs to be removed, the operator holds the ring on the clamp handle 17 by still clamping the thumb of one hand, and applies force backwards by clamping the clamp ring 16 by the index finger and the middle finger. At the moment, the whole biopsy forceps move in a mode opposite to the opening mode of the forceps heads, and the forceps heads are closed inwards, so that the blade surfaces of the forceps heads do shearing movement, and suspicious lesion tissues are clamped down.

Then the thumb of one hand of the operator still clamps the holding ring of the forceps handle 17, the forefinger and the middle finger clamp the forceps ring 16 to keep applying force backwards to prevent the tissue from falling off, the other hand grasps the sheath tube 9 to draw out the whole biopsy forceps inserted into the endoscope, then the hand grasping the sheath tube 9 moves the closed forceps head to the position right above the prepared storage, then the force is applied forwards to the forceps ring 16 to open the forceps head, the suspicious lesion tissue falls into the storage along with the gravity, and the sampling can be completed.

In conclusion, the biopsy forceps capable of rotating 360 degrees provided by the embodiment can be used for sampling suspicious lesion tissues, so that the sampling efficiency and accuracy are improved, the operation of an operating doctor is facilitated, the problems of incomplete sampling, insufficient sample size and the like are avoided, and the experience of the operating doctor and a patient is improved to a certain extent.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. The biopsy forceps capable of rotating 360 degrees are characterized by comprising a forceps head assembly and a control assembly;

the control assembly comprises a small pull rod (4), a rotary steel wire rope (10), a pull rod (14), a clamp ring (16) and a clamp handle (17); the clamp ring (16) is connected with the clamp handle (17) in a sliding mode, a sliding groove (18) is formed in the middle of the clamp handle (17), the clamp ring (16) is composed of a cover plate (161) and a base (162), and a pull head (15) is clamped between the cover plate (161) and the base (162) and can move in the sliding groove (18) along the axial direction; the pull head (15) is sequentially and fixedly connected with the pull rod (14), the rotary steel wire rope (10), the small pull rod (4) and the tong head assembly; an outer sheath tube (9) is arranged outside the rotary steel wire rope (10), the far end of the rotary steel wire rope extends out of the outer sheath tube (9), the near end of the outer sheath tube (9) is arranged in the forceps handle (17), and the far end of the outer sheath tube is fixedly connected with the A rotary connecting tube (7); the near end of the rotary spring tube (6) is rotatably arranged in the rotary connecting tube A (7) through a rotary connecting tube B (8), the far end of the rotary spring tube (6) is fixedly connected with a support frame (5), and the tong head assembly is connected to the far end of the support frame (5) through a large rivet (3).

2. The biopsy forceps capable of rotating 360 degrees according to claim 1, wherein the forceps head assembly comprises a left forceps head (1.1) and a right forceps head (1.2) which can be engaged with each other, and a large cylindrical rivet (3), the large cylindrical rivet (3) penetrates through the inside of the left forceps head (1.1) and the right forceps head (1.2), and the left forceps head (1.1) and the right forceps head (1.2) are arranged in a crossed manner and are movably connected with the large cylindrical rivet (3).

3. The biopsy forceps capable of rotating 360 degrees according to claim 2, wherein the forceps head assembly further comprises a left connecting piece (2.1) and a right connecting piece (2.2), one end of the left connecting piece (2.1) is movably connected with the right forceps head (1.2), one end of the right connecting piece (2.2) is movably connected with the left forceps head (1.1), and the other ends of the left connecting piece (2.1) and the right connecting piece (2.2) are movably connected with the far end of the small pull rod (4).

4. The biopsy forceps capable of rotating 360 degrees according to claim 1, wherein a first groove (19) is formed in one side surface of the distal end portion of the forceps handle (17), and an upper cover (12) is detachably connected to the first groove (19) to fix the sheath tube (9) in the first groove (19).

5. Biopsy forceps rotatable through 360 degrees according to claim 1, characterized in that the rotating wire cable (10) is wrapped with a plastic-coated tube (11).

6. The biopsy forceps capable of rotating 360 degrees according to claim 4, wherein an O-shaped tight ring (13) is installed in the first groove (19), and the O-shaped tight ring (13) is sleeved at the joint of the rotating steel wire rope (10) and the pull rod (14).

7. The biopsy forceps rotatable through 360 degrees according to claim 1, wherein the proximal end of the forceps handle (17) is provided with a gripping ring that facilitates the operation of the thumb through the ring.

8. The biopsy forceps capable of rotating 360 degrees according to claim 1, wherein the cover plate (161) and the base (162) are further provided with a protrusion (1614), and the protrusion (1614) is provided with a second groove (1613) for placing the pull rod (14).

9. The biopsy forceps capable of rotating 360 degrees according to claim 1, wherein a first buckle (1611) and a first clamping groove (1612) are respectively and diagonally arranged at four wings of the cover plate (161), and a second buckle (1622) and a second clamping groove (1621) are respectively and diagonally arranged at four wings of the base (162).