Endoscope sampling device provided with disposable rotary tong head

Abstract

The utility model relates to the technical field of endoscope sampling, and discloses an endoscope sampling device assembled with disposable rotary forceps heads, which comprises a hose, one end of the hose is fixedly connected with a fixed shell, the forceps heads are arranged on one side, deviating from the hose, of the fixed shell, the two forceps heads are symmetrically arranged, a steel wire rope is arranged in the hose, and the steel wire rope is connected with the fixed shell. One end of the steel wire rope extends into the fixing shell, a moving block and a rack are installed in the fixing shell, and one end of the steel wire rope is fixedly connected with the moving block through a hook. The operation is simple and rapid, a doctor can complete sampling only by controlling the retaining ring with hands, in addition, when the forceps head needs to be replaced, the doctor can push the extrusion plate with hands to slide along the guide rod, the extrusion plate moves and drives the connecting rod to be separated from the position between the butt joint groove and the through hole column, the through hole column can be moved out of the penetrating hole at the moment, and the operation is convenient. And the whole dismounting and mounting process is also simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to endoscope sampling technical field more specifically, it is an endoscope sampling device equipped with disposable rotary forceps head. BACKGROUND

[0002] Endoscope sampling, also known as endoscopic biopsy or endoscopic tissue biopsy, is a method of obtaining tissue or cell samples from the body during medical examination through an endoscope, a long tube usually with a light source and a camera.

[0003] The existing endoscope sampling forceps have disposable and non-disposable two kinds, generally the disposable sampling forceps need to be disassembled and replaced after each use, but the existing sampling forceps adopt bolt fixing and other installation modes, which cannot achieve quick replacement of the forceps head, causing inconvenience to medical staff, and the sampling forceps are relatively cumbersome in operation steps when sampling the internal tissues of the patient's body, and cannot achieve quick sampling. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an endoscope sampling device equipped with disposable rotary forceps head to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: an endoscope sampling device equipped with disposable rotary forceps head, including hose, one end of the hose is fixedly connected with fixed shell, the fixed shell is provided with forceps head away from the hose side, the forceps head is provided with two, symmetrically, the inside of the hose is provided with steel wire rope, one end of the steel wire rope extends to the inside of the fixed shell, the inside of the fixed shell is installed with movement block and rack, the steel wire rope one end and movement block are fixedly connected through the hook, the rack one side is fixedly connected with movement block, the rack top and bottom are each provided with a rotating rod, the rotating rod surface is fixedly installed with bearing frame, the bearing frame is provided with locking assembly, the locking assembly is used for fixing the forceps head on the bearing frame.

[0006] Preferably, the inside of the hose is fixedly connected with flexible sleeve, the flexible sleeve is provided with a plurality of, the flexible sleeve is sleeved on the surface of the steel wire rope, the other end of the steel wire rope is fixedly connected with the buckle.

[0007] Preferably, the moving block top and bottom are each provided with a support frame, the support frame is fixedly connected with the inner wall of the fixed shell, the moving block top and bottom are each fixedly connected with a T-shaped block, the support frame is internally provided with a T-shaped slot, the T-shaped block surface is in sliding connection with the T-shaped slot wall, a guide rod is fixedly connected in the T-shaped slot, the T-shaped block is sleeved on the guide rod surface, a return spring is sleeved on the guide rod surface, one end of the return spring is fixedly connected with one side of the T-shaped block, and the other end of the return spring is fixedly connected with the T-shaped slot wall.

[0008] Preferably, the rotating rod is rotatably installed in the fixed shell interior, a gear is fixedly connected on the rotating rod surface, and the gear is in meshing connection with the rack.

[0009] Preferably, the locking assembly comprises an embedded slot, the embedded slot is formed on the receiving frame surface, a guide rod and an extrusion plate are arranged in the embedded slot, the guide rod is fixedly connected with the embedded slot wall at both ends, the extrusion plate is sleeved on the guide rod surface, an adapter rod is fixedly connected on one side of the extrusion plate, two adapter rods are arranged on each extrusion plate, a compression spring is sleeved on the guide rod surface, one end of the compression spring is fixedly connected with one side of the extrusion plate, and the other end of the compression spring is fixedly connected with the embedded slot wall.

[0010] Preferably, one side of the clamp head is fixedly connected with a through-hole column, two through-hole columns are arranged on each clamp head, a through hole is formed through the receiving frame, two through holes are arranged on each receiving frame, and a butt joint slot is also formed on the receiving frame, and two butt joint slots are arranged on each receiving frame.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] The doctor can insert the clamp head and the hose into the patient's body, when the clamp head reaches the specified position, the doctor pulls the buckle ring to drive the steel wire rope to move, the steel wire rope drives the two clamp heads to rotate towards each other, so that the tissue sample in the body can be clamped, the doctor can pull the clamp head to take out the tissue sample, then the clamp head is removed from the body and the buckle ring is loosened, the two clamp heads automatically move away from each other, so that the clamp on the tissue sample is loosened, the utility model is simple and fast to operate, the doctor only needs to control the buckle ring to complete the sampling, in addition, when the clamp head needs to be replaced, the doctor can push the extrusion plate to make it slide along the guide rod, the extrusion plate drives the adapter rod to separate from the butt joint slot and the through-hole column, then the through-hole column is removed from the through hole, so that the clamp head is disassembled, the whole disassembly and assembly process is simple and convenient, and the clamp head can be easily replaced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model.

[0014] Figure 2 The overall structural section view of the utility model.

[0015] Figure 3 The utility model Figure 2 The structure enlarged view of A in the utility model.

[0016] Figure 4 The support frame section view of the utility model.

[0017] Figure 5 The locking assembly and the head of the utility model cooperate with the drawing.

[0018] The drawing mark is: 1, hose;11, flexible sleeve;2, fixed shell;21, support frame;22, guide rod;23, reset spring;3, steel wire rope;31, buckle;4, head;41, through hole column;5, moving block;51, hook;52, T-shaped block;6, rack;7, rotating rod;71, gear;8, bearing frame;9, locking assembly;91, built-in slot;92, guide rod;93, extrusion plate;94, link rod;95, compression spring;96, through hole;97, butt joint slot. Specific implementation

[0019] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the endoscope sampling device assembled with disposable rotary head of the utility model is not limited to each structure recorded in the following implementation, and all other implementations obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0020] The utility model provides a kind of endoscope sampling device assembled with disposable rotary head, including hose 1, hose 1 one end is fixedly connected with fixed shell 2, fixed shell 2 is provided with head 4 away from hose 1 side, head 4 is symmetrically provided with two, hose 1 inside is provided with steel wire rope 3, steel wire rope 3 one end extends to the inside of fixed shell 2, fixed shell 2 inside is installed with moving block 5 and rack 6, steel wire rope 3 one end is fixedly connected between hook 51, rack 6 one side is fixedly connected with moving block 5, rack 6 top and bottom each is provided with one rotating rod 7, rotating rod 7 surface is fixedly installed with bearing frame 8, bearing frame 8 is provided with locking assembly 9, locking assembly 9 is used to fix head 4 on bearing frame 8.

[0021] Further, the flexible sleeve 11 is fixedly connected inside the hose 1, the flexible sleeve 11 is provided with a plurality of flexible sleeves 11, the flexible sleeve 11 is sleeved on the surface of the steel wire rope 3, the other end of the steel wire rope 3 is fixedly connected with the buckle ring 31, the doctor can pull the buckle ring 31 with hand to pull the steel wire rope 3, the flexible sleeve 11 wraps the steel wire rope 3, and the flexible sleeve 11 plays a supporting role for the steel wire rope 3.

[0022] Further, the support frame 21 is fixedly connected with the inner wall of the fixed shell 2, the top and the bottom of the moving block 5 are fixedly connected with a T-shaped block 52 respectively, the inside of the support frame 21 is provided with a T-shaped groove, the surface of the T-shaped block 52 is in sliding connection with the groove wall of the T-shaped groove, the inside of the T-shaped groove is fixedly connected with a guide rod 22, the T-shaped block 52 is sleeved on the surface of the guide rod 22, the surface of the guide rod 22 is sleeved with a return spring 23, one end of the return spring 23 is fixedly connected with one side of the T-shaped block 52, the other end of the return spring 23 is fixedly connected with the groove wall of the T-shaped groove, the rotating rod 7 is rotatably installed in the inside of the fixed shell 2, the surface of the rotating rod 7 is fixedly connected with a gear 71, the gear 71 is in meshing connection with the rack 6, when the doctor pulls the buckle ring 31 with hand, the rack 6 can drive the two rotating rods 7 to rotate around the axis thereof through the gear 71, the rotating rod 7 rotates and drives the two clamp heads 4 to move synchronously in the direction of approaching each other, if the doctor releases the buckle ring 31, the elastic force of the return spring 23 can drive the two clamp heads 4 to move in the direction of moving away from each other and return to the initial position.

[0023] Further, the locking assembly 9 comprises an embedded groove 91, the embedded groove 91 is arranged on the surface of the supporting frame 8, the embedded groove 91 is provided with a guide rod 92 and an extrusion plate 93, both ends of the guide rod 92 are fixedly connected with the groove wall of the embedded groove 91, the extrusion plate 93 is sleeved on the surface of the guide rod 92, the extrusion plate 93 and the guide rod 92 form a sliding guide fit along the axis direction of the guide rod 92, one side of the extrusion plate 93 is fixedly connected with a connecting rod 94, and two connecting rods 94 are arranged on each extrusion plate 93, the surface of the guide rod 92 is sleeved with a compression spring 95, one end of the compression spring 95 is fixedly connected with one side of the extrusion plate 93, the other end of the compression spring 95 is fixedly connected with the groove wall of the embedded groove 91, one side of the clamp head 4 is fixedly connected with a through-hole column 41, and two through-hole columns 41 are arranged on each clamp head 4, the supporting frame 8 is provided with a penetrating hole 96, and two penetrating holes 96 are arranged on each supporting frame 8, the supporting frame 8 is further provided with a butt joint groove 97, and two butt joint grooves 97 are arranged on each supporting frame 8, the doctor can pass the through-hole column 41 through the penetrating hole 96, the elastic force of the compression spring 95 can drive one end of the connecting rod 94 to pass through the through-hole column 41 and enter the butt joint groove 97, so as to fix the position of the clamp head 4, when the clamp head 4 needs to be disassembled, the doctor only needs to push the extrusion plate 93 to slide along the guide rod 92.

[0024] The working principle of the utility model is: doctors observe through the endoscope, extend the forceps head 4 and the hose 1 into the patient's body, when the forceps head 4 reaches the designated position, doctors pull the clasp 31 to pull the steel wire rope 3, the steel wire rope 3 moves and drives the movement block 5 to move synchronously through the hook 51, at the same time, the T-shaped block 52 slides along the T-shaped groove synchronously, the reset spring 23 shrinks under the extrusion of the T-shaped block 52, the elasticity of the reset spring 23 increases, the movement block 5 moves and drives the gear 71 to rotate synchronously around its own axis through the rack 6, so that the rotating rod 7 rotates synchronously around its own axis, the rotating rod 7 rotates and drives the forceps head 4 to rotate synchronously around the axis of the rotating rod 7 through the bearing frame 8, the two forceps heads 4 move towards each other, that is, the forceps head 4 can clamp the tissue sample in the body, doctors can pull the tissue sample out, then the forceps head 4 is removed from the body, at this time, the clasp 31 is loosened, the elasticity of the reset spring 23 drives the two forceps heads 4 to move away from each other, that is, the forceps head 4 can be loosened.

[0025] When the forceps head 4 needs to be replaced, doctors push the extrusion plate 93 to make it slide along the guide rod 92, the compression spring 95 shrinks under the extrusion of the extrusion plate 93, the elasticity of the compression spring 95 increases, the extrusion plate 93 moves and drives the connecting rod 94 to be separated from the through hole column 41 between the butt joint groove 97, at this time, the through hole column 41 can be removed from the through hole 96, that is, the forceps head 4 is disassembled, and the new forceps head 4 can be installed on the bearing frame 8.

[0026] Finally, the following points should be noted: first, in the description of the application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0027] Secondly: the utility model discloses the embodiment only relates to the structure involved in the embodiment, other structures can refer to the usual design, and the same embodiment and different embodiments of the utility model can be combined with each other under the condition of no conflict;

[0028] Finally: the preferred embodiments of the utility model are described above, and the utility model is not limited to the preferred embodiments, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An endoscopic sampling device equipped with a disposable rotary forceps head, comprising a hose (1), characterized in that, The fixed shell (2) is provided with a pincer head (4) on the side away from the hose (1), the pincer head (4) is symmetrically provided with two, the inside of the hose (1) is provided with a steel wire rope (3), one end of the steel wire rope (3) extends to the inside of the fixed shell (2), the inside of the fixed shell (2) is provided with a moving block (5) and a rack (6), one end of the steel wire rope (3) and the moving block (5) are fixedly connected through a hook (51), one side of the rack (6) is fixedly connected with the moving block (5), the top and bottom of the rack (6) are provided with a rotating rod (7), the surface of the rotating rod (7) is fixedly installed with a receiving frame (8), the receiving frame (8) is provided with a locking assembly (9), and the locking assembly (9) is used for fixing the pincer head (4) on the receiving frame (8).

2. An endoscope sampling device according to claim 1, wherein, The inside of the hose (1) is fixedly connected with a flexible sleeve (11), the flexible sleeve (11) is provided with a plurality of flexible sleeves (11), the flexible sleeve (11) is sleeved on the surface of the steel wire rope (3), and the other end of the steel wire rope (3) is fixedly connected with a buckle ring (31).

3. The endoscope sampling device of claim 1, wherein the disposable rotary forceps head is configured to be attached to the endoscope sampling device by a threaded connection. The top and bottom of the moving block (5) are provided with a support frame (21), the support frame (21) is fixedly connected with the inner wall of the fixed shell (2), the top and bottom of the moving block (5) are fixedly connected with a T-shaped block (52), the inside of the support frame (21) is provided with a T-shaped groove, the surface of the T-shaped block (52) is slidably connected with the groove wall of the T-shaped groove, the inside of the T-shaped groove is fixedly connected with a guide rod (22), the T-shaped block (52) is sleeved on the surface of the guide rod (22), the surface of the guide rod (22) is sleeved with a reset spring (23), one end of the reset spring (23) is fixedly connected with one side of the T-shaped block (52), and the other end of the reset spring (23) is fixedly connected with the groove wall of the T-shaped groove.

4. The endoscope sampling device of claim 3, wherein the disposable rotary forceps head is configured to be releasably attached to the endoscope sampling device. The rotating rod (7) is rotatably installed in the inside of the fixed shell (2), and the surface of the rotating rod (7) is fixedly connected with a gear (71), and the gear (71) is engagedly connected with the rack (6).

5. The endoscope sampling device of claim 1, wherein the disposable rotary forceps head is configured to be attached to the endoscope sampling device by a threaded connection. The locking assembly (9) comprises an embedded groove (91), the embedded groove (91) is formed on the surface of the receiving frame (8), the embedded groove (91) is provided with a guide rod (92) and an extrusion plate (93), both ends of the guide rod (92) are fixedly connected with the groove wall of the embedded groove (91), the extrusion plate (93) is sleeved on the surface of the guide rod (92), one side of the extrusion plate (93) is fixedly connected with a connecting rod (94), and two connecting rods (94) are arranged on each extrusion plate (93), the surface of the guide rod (92) is sleeved with a compression spring (95), one end of the compression spring (95) is fixedly connected with one side of the extrusion plate (93), and the other end of the compression spring (95) is fixedly connected with the groove wall of the embedded groove (91).

6. An endoscope sampling device according to claim 5, wherein, Said pincers head (4) one side fixed connection has through hole post (41), and each The pincers head (4) is provided with two through hole posts (41), the receiving frame (8) is provided with the hole (96) that is threaded on the whole, each The receiving frame (8) is provided with two holes (96) that are threaded, the receiving frame (8) is also provided with the butt joint groove (97), and each The receiving frame (8) is provided with two butt joint grooves (97).

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