CN217365934U - Angle-adjustable biopsy forceps - Google Patents
Angle-adjustable biopsy forceps Download PDFInfo
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- CN217365934U CN217365934U CN202221110907.XU CN202221110907U CN217365934U CN 217365934 U CN217365934 U CN 217365934U CN 202221110907 U CN202221110907 U CN 202221110907U CN 217365934 U CN217365934 U CN 217365934U
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Abstract
The utility model relates to the technical field of medical instruments and discloses an angle-adjustable biopsy forceps, which comprises a forceps head; the direction adjusting assembly comprises a swinging block, a supporting tube, a control block and three pulling wires, one end of the supporting tube is connected with the swinging block through a connecting piece, the other end of the supporting tube is connected with the control block through a first spherical hinge, the three pulling wires penetrate through two ends of the supporting tube, two ends of each pulling wire are respectively connected with the swinging block and the control block, and the tong head is arranged at one end, far away from the supporting tube, of the swinging block; and the opening and closing adjusting assembly is connected with the clamp head to control the opening and closing of the clamp head. The utility model discloses a direction adjustment subassembly is through setting up the swing of three wire drawing control swing pieces that lead, and such setting can guarantee to lead the wire drawing and can control swing piece to arbitrary direction swing all around, also can not be because the quantity that leads the wire drawing is too much, arouses that the manufacturing cost of biopsy forceps improves, the increase of the manufacturing degree of difficulty.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically relate to an angularly adjustable biopsy forceps.
Background
The biopsy forceps are endoscopic accessories for directly operating the mucous membrane tissues of the organism. When the endoscope examination needs to obtain pathological biopsy, the biopsy forceps are an indispensable tool. CN113037042B discloses a magnetic control biopsy mechanism of a capsule endoscope, which comprises a fixed base, a stator permanent magnet, a biopsy working head, a rotor permanent magnet, a movable base and a protective shell, wherein the fixed base, the stator permanent magnet, the biopsy working head, the rotor permanent magnet and the movable base are all positioned in the protective shell, the fixed base is fixed outside the capsule endoscope, the stator permanent magnet is fixed on the fixed base, the rotor permanent magnet is fixed on the movable base, the rear end of the biopsy working head is fixed on the movable base, the front end of the biopsy working head is in guide fit with the fixed base, after an external magnetic field is applied, the rotor permanent magnet and the movable base synchronously move along the axial direction, so that the biopsy working head fixedly connected on the movable base extends out of the fixed base at the front end, sampling biopsy operation is carried out, and after the external magnetic field is removed, the stator permanent magnet repels the rotor permanent magnet, so that the biopsy working head is recovered and reset, the fixed base is in a circular ring shape, the shell of the capsule endoscope is cylindrical, the fixed base and the shell of the capsule endoscope are in interference fit, the fixed base is fixed on the outer surface of the shell of the capsule endoscope, the movable base is in a circular ring shape, the movable base and the outer surface of the shell of the capsule endoscope are in sliding fit, the fixed base, the stator permanent magnet, the rotor permanent magnet, the movable base, the protective shell and the shell of the capsule endoscope are coaxially arranged, the fixed base, the biopsy working head, the movable base, the protective shell and the shell of the capsule endoscope are made of nonmagnetic materials, the fixed base is provided with a guide through hole in the axial direction, the front end of the biopsy working head is arranged on the guide through hole in a penetrating manner, the stator permanent magnet and the rotor permanent magnet are both axially magnetized annular permanent magnets, and the stator permanent magnet and the rotor permanent magnet repel each other in an initial state.
However, in the prior art, when the pathological biopsy tissue is obtained, the working space is limited, and meanwhile, due to the different positions and angles of the pathological tissue, the difficulty of a doctor in operating the biopsy forceps is high, and the forceps head cannot be accurately aligned to the position of the pathological tissue.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an angularly adjustable biopsy forceps to solve the problem that the binding clip of current biopsy forceps can't aim at pathological tissue position accurately.
In order to achieve the above object, the utility model provides an angularly adjustable biopsy forceps, include:
a binding clip;
the direction adjusting assembly comprises a swinging block, a supporting tube, a control block and three pulling wires, one end of the supporting tube is connected with the swinging block through a connecting piece, the other end of the supporting tube is connected with the control block through a first spherical hinge, the three pulling wires penetrate through two ends of the supporting tube, two ends of each pulling wire are respectively connected with the swinging block and the control block, and the tong head is arranged at one end, far away from the supporting tube, of the swinging block;
and the opening and closing adjusting assembly is connected with the clamp head to control the opening and closing of the clamp head.
Preferably, the tong head comprises two tong blocks hinged through a pin shaft, and the pin shaft is fixedly connected with the swinging block.
Preferably, three wire holes are formed in the supporting tube, and the pulling wires are arranged in one-to-one correspondence with the wire holes.
Preferably, the three connection points of the pulling wire and the swinging block are arranged on the periphery of the swinging block at intervals, and the three connection points of the pulling wire and the control block are arranged on the periphery of the swinging block at intervals.
Preferably, the connecting piece is a second spherical hinge, the second spherical hinge includes a ball head and a ball head seat, one of the ball head and the ball head seat is connected with the swinging block, and the other is connected with the supporting tube.
Preferably, the connecting member is an elastic member.
Preferably, the first spherical hinge comprises a ball head and a ball head seat, the ball head is connected with the support tube, and the ball head seat is connected with the control block.
Preferably, the ball cup base is provided with a threaded hole and a positioning bolt, and the positioning bolt is installed in the threaded hole.
Preferably, a wire hole is formed in the supporting tube, the opening and closing adjusting assembly comprises a pull wire and a pull block, the pull wire penetrates through the wire hole, the connecting piece and the first spherical hinge, and two ends of the pull wire are respectively connected with the tong head and the pull block.
Preferably, the opening and closing adjusting assembly comprises a handle, the handle is arranged at one end, far away from the swinging block, of the supporting tube, the pull wire at least partially penetrates through the handle, and the pulling block is connected with the handle in a sliding mode.
The biopsy forceps with the adjustable angle of the utility model is provided with the direction adjusting component, and the direction adjusting component can drive the forceps head to swing around, so that the biopsy forceps can extend into a working space at any angle without repeatedly rotating and stretching to find the extending angle, and the working efficiency and the hospitalizing experience of a patient are improved; the utility model discloses a direction adjustment subassembly is through setting up the swing of three wire pulling control swing blocks, the wire pulling can be relative stay tube relative slip, four and four above wire pulling can control swing block swing to arbitrary direction equally, such setting can guarantee that the wire pulling can control swing block swing to arbitrary direction all around, simultaneously, also can not cause biopsy forceps's manufacturing cost to improve because the quantity of wire pulling is too much, make the degree of difficulty increase, and one or two wire pulling can't control swing block swing to arbitrary direction, can't realize the technological effect that this technical scheme will realize; the traction wire is arranged inside the supporting tube, so that the traction wire can be prevented from contacting with the body of a patient, and meanwhile, the external structure of the biopsy forceps can be simplified, and the operation and the cleaning are facilitated; by arranging the control block, when the inclination angle and the direction of the control block are changed, the inclination angle and the direction of the binding clip can be adjusted; the opening and closing of the forceps head are controlled by setting the opening and closing adjusting component so as to obtain pathological tissues. Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
FIG. 1 is an angle adjustable biopsy forceps according to an embodiment of the present invention;
FIG. 2 is an angle adjustable biopsy forceps according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a support tube according to an embodiment of the present invention.
Description of the reference numerals
1 binding clip 2 direction adjustment subassembly
3 opening and closing adjusting component 11 clamp block
12 pin 21 swinging block
22 support tube 23 control block
24-wire drawing 25 connecting piece
26 first ball joint 27 positioning bolt
31 pulling wire 32 pulling block
33 grip 221 screw hole
222 line hole
Detailed Description
The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.
The utility model provides an angularly adjustable biopsy forceps, as shown in fig. 1 to 3, include:
the forceps head 1 is used for clamping pathological tissues;
the direction adjusting assembly 2 comprises a swinging block 21, a supporting tube 22, a control block 23 and pulling wires 24, one end of the supporting tube 22 is connected with the swinging block 21 through a connecting piece 25, the other end of the supporting tube 22 is connected with the control block 23 through a first spherical hinge 26, the number of the pulling wires 24 is three, the three pulling wires 24 penetrate through two ends of the supporting tube 22, two ends of each pulling wire 24 are respectively connected with the swinging block 21 and the control block 23, and the tong head 1 is arranged at one end, far away from the supporting tube 22, of the swinging block 21;
and the opening and closing adjusting component 3 is connected with the binding clip 1 to control the opening and closing of the binding clip 1.
The biopsy forceps with the adjustable angle of the utility model is provided with the direction adjusting component 2, and the direction adjusting component 2 can drive the forceps head 1 to swing around, so that the biopsy forceps can extend into a working space at any angle without repeatedly rotating and stretching to find the extending angle; the direction adjusting component 2 of the utility model controls the swinging of the swinging block 21 by arranging three drawing wires 24, the drawing wires 24 can slide relatively to the supporting tube 22, four or more drawing wires 24 can control the swinging block 21 to swing in any direction, such arrangement can ensure that the drawing wires 24 can control the swinging block 21 to swing in any direction all around, and meanwhile, the manufacturing cost of the biopsy forceps is improved and the manufacturing difficulty is increased because of too many drawing wires 24, and one or two drawing wires 24 can not control the swinging block 21 to swing in any direction, thus the technical effect to be realized by the technical scheme can not be realized; by arranging the pull wire 24 inside the support tube 22, the pull wire 24 can be prevented from contacting the body of the patient, and at the same time, the external structure of the biopsy forceps can be simplified, which is beneficial to operation and cleaning; by arranging the control block 23, when the inclination angle and direction of the control block 23 are changed, the inclination angle and direction of the binding clip 1 can be adjusted at will without independently adjusting each traction wire 24, and meanwhile, the inclination direction of the control block 23 is synchronous with that of the swinging block 21, so that the adjustment is simple, convenient and fast, and the operability is high; the opening and closing of the forceps head 1 are controlled by arranging the opening and closing adjusting component 3 so as to obtain pathological tissues.
In the above, the support tube 22 may be a rigid tube or a flexible tube.
The swing block 21 is provided with a groove for accommodating the binding clip 1, and at least part of the binding clip 1 is arranged in the groove.
According to the utility model discloses an embodiment, binding clip 1 includes two through 12 articulated tong blocks 11 of round pin axle, round pin axle 12 with swing piece 21 fixed connection. The clamp block 11 can rotate relative to the pin shaft 12, so that the two clamp heads 1 are matched with each other to clamp pathological tissues.
In addition, the binding clip 1 can also be a single-action binding clip 1 or a scissor head. As long as the binding clip 1 can be opened and closed under the action of the opening and closing adjusting component 3.
In order to adjust the angle of the swing block 21, as shown in fig. 3, three wire holes 221 are formed in the support tube 22, and the pulling wires 24 are disposed in one-to-one correspondence with the wire holes 221. Each of the pull wires 24 is slidable in the wire hole 221. Due to the arrangement, the three pulling wires 24 can be effectively prevented from being wound and extruded with each other, so that each pulling wire 24 can independently and smoothly move.
Furthermore, three connection points of the pulling wire 24 and the swinging block 21 are arranged on the periphery of the swinging block 21 at intervals, and three connection points of the pulling wire 24 and the control block 23 are arranged on the periphery of the swinging block 21 at intervals. When the user adjusts the control block 23, the control block 23 can accurately transmit the user's motion to the swing block 21, so as to drive the swing block 21 to swing synchronously. Preferably, three connection points of the pulling wire 24 and the swinging block 21 are arranged on the periphery of the swinging block 21 at equal intervals, and three connection points of the pulling wire 24 and the control block 23 are arranged on the periphery of the swinging block 21 at equal intervals.
In order to enable the swinging block 21 to swing in any circumferential direction, according to an embodiment of the present invention, the connecting member 25 is a second spherical hinge, the second spherical hinge includes a ball head and a ball head seat, one of the ball head and the ball head seat is connected to the swinging block 21, and the other is connected to the supporting tube 22.
According to another embodiment of the present invention, as shown in fig. 2, the connecting member 25 is an elastic member. In particular, the elastic member comprises a spring or an elastic rod.
In order to drive the swinging block 21 to swing, the first spherical hinge 26 includes a ball head and a ball head seat, the ball head is fixedly connected with the support tube 22, the ball head seat is fixedly connected with the control block 23, and when the control block 23 drives the ball head seat to move, the ball head seat drives the pulling wire 24 to slide relative to the support tube 22, so as to drive the swinging block 21 to move.
In the above, the ball seat is provided with a threaded hole and a positioning bolt 27, and the positioning bolt 27 is installed in the threaded hole. When the positioning bolt 27 is screwed in the threaded hole, the head of the positioning bolt 27 presses the ball head, so that the relative movement between the ball head and the ball head seat is prevented, and the swinging block 21 is prevented from swinging, and the arrangement is favorable for an operator to fix the inclination angle of the tong head 1.
In order to control the opening and closing of the binding clip 1, as shown in fig. 3, a wire hole 222 is provided in the support tube 22, the opening and closing adjustment assembly 3 includes a pull wire 31 and a pull block 32, the pull wire 31 passes through the wire hole 222, the connecting member 25, the first spherical hinge 26 and the swing block 21, and two ends of the pull wire 31 are respectively connected to the binding clip 1 and the pull block 32. The pulling wire 31 drives the pulling wire 31 to move along the axial direction of the supporting tube 22, so as to drive the opening and closing of the binding clip 1. Further, when the connecting piece 25 is a second ball hinge, through holes are formed in a ball head seat and a ball head of the second ball hinge, and the pull wire 31 penetrates through the through holes and the swinging block 21 to be fixedly connected with the binding clip 1. When the connecting piece 25 is a spring, the pull wire 31 passes through the axial direction of the spring and the swinging block 21 to be fixedly connected with the tong head 1. When the connecting piece 25 is an elastic rod, a through hole is formed in the axial direction of the elastic rod, and the pull wire 31 penetrates through the through hole and the swing block 21 to be fixedly connected with the binding clip 1.
Further, the opening and closing adjustment assembly 3 includes a handle 33, the handle 33 is disposed at an end of the supporting tube 22 away from the swinging block 21 and is fixedly connected to the supporting tube 22, the pull wire 31 at least partially passes through the handle 33, and the pull block 32 is slidably connected to the handle 33. When the pulling block 32 slides along the grip 33, the pulling wire 31 can drive the forceps head 1 to open and close. In the above, the handle 33 is fixedly connected with the ball head of the first ball joint 26. Furthermore, a through hole is formed in the ball head seat of the first ball pivot 26, and the handle 33 passes through the through hole to be fixedly connected with the ball head.
When a user uses the biopsy forceps, the inclination direction and the angle of the control block 23 can be adjusted, so that the inclination angle and the direction of the forceps head 1 can be adjusted, and then the forceps head 1 is stretched into a working space; or under the cooperation of the endoscope, the forceps head 1 is firstly extended into the working space, and then the inclination angle of the forceps head 1 is adjusted through the control block 23. When the forceps head 1 reaches the designated position and contacts the pathological tissue, the pulling block 32 is pulled, and the forceps head 1 is closed to obtain the pathological tissue.
The above detailed description describes the preferred embodiments of the present invention, however, the present invention is not limited to the specific details of the above embodiments, and the technical concept of the present invention can be modified to various simple modifications, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the foregoing embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. An angularly adjustable bioptome, comprising:
a binding clip (1);
the direction adjusting assembly (2) comprises a swinging block (21), a supporting pipe (22), a control block (23) and pulling wires (24), one end of the supporting pipe (22) is connected with the swinging block (21) through a connecting piece (25), the other end of the supporting pipe is connected with the control block (23) through a first spherical hinge (26), the number of the pulling wires (24) is three, the three pulling wires (24) penetrate through two ends of the supporting pipe (22), two ends of the pulling wires (24) are respectively connected with the swinging block (21) and the control block (23), and the tong head (1) is arranged at one end, far away from the supporting pipe (22), of the swinging block (21);
and the opening and closing adjusting assembly (3) is connected with the tong head (1) to control the opening and closing of the tong head (1).
2. The angularly adjustable bioptome of claim 1, wherein: the pliers head (1) comprises two pliers blocks (11) hinged through a pin shaft (12), and the pin shaft (12) is fixedly connected with the swinging block (21).
3. The adjustable angle biopsy forceps of claim 1, wherein: three wire holes (221) are formed in the supporting tube (22), and the drawing wires (24) are arranged in one-to-one correspondence to the wire holes (221).
4. The adjustable angle biopsy forceps of claim 1, wherein: the three connection points of the pulling wire (24) and the swinging block (21) are arranged on the periphery of the swinging block (21) at intervals, and the three connection points of the pulling wire (24) and the control block (23) are arranged on the periphery of the swinging block (21) at intervals.
5. The adjustable angle biopsy forceps of claim 1, wherein: the connecting piece (25) is a second spherical hinge which comprises a ball head and a ball head seat, one of the ball head and the ball head seat is connected with the swinging block (21), and the other one of the ball head and the ball head seat is connected with the supporting pipe (22).
6. The adjustable angle biopsy forceps of claim 1, wherein: the connecting piece (25) is an elastic piece.
7. The angularly adjustable bioptome of claim 1, wherein: the first spherical hinge (26) comprises a ball head and a ball head seat, the ball head is connected with the supporting pipe (22), and the ball head seat is connected with the control block (23).
8. The adjustable angle bioptome of claim 7, wherein: the ball head seat is provided with a threaded hole and a positioning bolt (27), and the positioning bolt (27) is installed in the threaded hole.
9. The adjustable angle biopsy forceps of any one of claims 1 to 8, wherein: the novel pliers are characterized in that a wire hole (222) is formed in the supporting tube (22), the opening and closing adjusting assembly (3) comprises a pull wire (31) and a pull block (32), the pull wire (31) penetrates through the wire hole (222), the connecting piece (25) and the first spherical hinge (26), and two ends of the pull wire (31) are connected with the pliers head (1) and the pull block (32) respectively.
10. The adjustable angle bioptome of claim 9, wherein: the opening and closing adjusting assembly (3) comprises a grip (33), the grip (33) is arranged at one end, far away from the swinging block (21), of the supporting tube (22), the pull wire (31) at least partially penetrates through the grip (33), and the pull block (32) is in sliding connection with the grip (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221110907.XU CN217365934U (en) | 2022-05-09 | 2022-05-09 | Angle-adjustable biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221110907.XU CN217365934U (en) | 2022-05-09 | 2022-05-09 | Angle-adjustable biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217365934U true CN217365934U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221110907.XU Active CN217365934U (en) | 2022-05-09 | 2022-05-09 | Angle-adjustable biopsy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217365934U (en) |
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2022
- 2022-05-09 CN CN202221110907.XU patent/CN217365934U/en active Active
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