CN213156086U - Endoscope sampling forceps that stability is high - Google Patents

Abstract

The utility model discloses an endoscope sampling forceps that stability is high, it relates to endoscope sampling forceps's technical field, it includes binding clip subassembly, handle components includes the core bar, sliding ring and ring, sliding ring slidable mounting is in the core bar, sliding ring fixedly connected with adapter sleeve, the core bar is located to the adapter sleeve slip cap, the inserted bar is worn to be equipped with in the lateral wall slip of adapter sleeve, end connection in the inserted bar insert connection cover has butt board, the butt board is located between the outer wall of core bar and the inner wall of adapter sleeve, be equipped with the spring that is in compression state between the inner wall of butt board and adapter sleeve, the inserted bar is located to the spring housing. The utility model solves the problems that when a user takes out the lesion tissue, the force is continuously applied to the slip ring, so that the hand of the user is easy to fatigue and the clamping process is adversely affected; after the slip ring position is confirmed, the slip ring is fixed and limited, fatigue caused by continuous force application of the hand to the slip ring is reduced, and stability of a clamping process is improved.

Description

Endoscope sampling forceps that stability is high

Technical Field

The utility model belongs to the technical field of the technique of endoscope sampling forceps and specifically relates to an endoscope sampling forceps that stability is high is related to.

Background

Currently, endoscopy is widely used in clinical practice as an auxiliary diagnostic method. The sampling forceps enter the body of a patient through the endoscope forceps to clamp the tissues of the lesion part, and then pathological analysis is carried out on the clamped tissues to confirm the disease. Endoscopic biopsy sampling has become a routine endoscopic examination procedure due to its small trauma and convenient examination.

Chinese patent with publication number CN204106058U discloses an endoscope biopsy forceps, including binding clip subassembly, handle assembly, spring outer core bar and cable, the binding clip subassembly is by the binding clip, pincers head frame and pull rod are constituteed, handle assembly is by the sliding ring, the core bar, and the bracelet is constituteed, the cable is located spring outer core bar, binding clip and binding clip frame riveting in the binding clip subassembly, the one end and the binding clip frame of spring outer core bar are connected, the other end and core bar connection, the one end and the pull rod end connection of cable, the other end and sliding ring connection, its characterized in that: the head end of the pull rod is of a Z-shaped bending structure, and the head end of the pull rod is connected with the tail hole of the tong head. The utility model has the advantages of high product safety, simple process structure, high connection strength and low cost.

The above prior art solutions have the following drawbacks: the process of receiving and releasing the forceps head assembly is mainly realized by pushing the sliding ring by a user, in the actual use process, the user needs to fix the position of the sliding ring after clamping the lesion tissue to ensure that the forceps head assembly always clamps the lesion tissue, otherwise, the lesion tissue is easy to fall off from the forceps head assembly in the taking-out process. And under the general condition, the length of the outer core rod of the spring is longer, and the user needs to slow down the speed of taking out for considering the comfort level of the patient when taking out the pathological change tissue, so that the whole taking-out process is longer. Therefore, when the user takes out the lesion tissue, the user needs to continuously apply force to the slip ring, so that the hand of the user is easily fatigued, thereby adversely affecting the clamping process.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing an endoscope sampling forceps that stability is high, after the sliding ring position is confirmed, fix spacingly to the sliding ring, reduce the hand and last the fatigue that causes the sliding ring application of force, improved the stability of clamping process.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an endoscope sampling forceps with high stability comprises a forceps head assembly, a handle assembly, a spring hose and a pull cable inserted into the spring hose, wherein the handle assembly comprises a core bar, a sliding ring and a ring; one end of the pull cable is fixedly connected with the tong head assembly, the other end of the pull cable is connected with the slip ring,

the sliding ring is slidably mounted on the core rod, the sliding ring is fixedly connected with a connecting sleeve, the connecting sleeve is slidably sleeved on the core rod, an inserting rod is slidably arranged on the side wall of the connecting sleeve in a penetrating mode, the end portion, inserted into the connecting sleeve, of the inserting rod is connected with a butt plate, the butt plate is located between the outer wall of the core rod and the inner wall of the connecting sleeve, a spring in a compression state is arranged between the butt plate and the inner wall of the connecting sleeve, and the spring sleeve is arranged on the inserting rod.

Through adopting above-mentioned technical scheme, operating personnel is to keeping away from the pulling inserted bar of core bar direction, make the outer wall separation of butt joint board and core bar, it slides along the core bar to drive the adapter sleeve through the inserted bar, it slides along the core bar to promote the sliding ring, promote receiving and releasing of binding clip subassembly, binding clip subassembly clamp gets pathological change tissue after, promptly the sliding ring position is confirmed the back, the spring that is in compression state promotes the butt joint board and contradicts with the outer wall of core bar, make adapter sleeve and core bar rigidity, thereby fix spacingly to the sliding ring, reduce the hand and last the fatigue that causes the sliding ring application of force, make the binding clip subassembly be in the clamping state to pathological change tissue, the stability and the security.

The present invention may be further configured in a preferred embodiment as: and a circular ring is fixed at the end part of the inserted bar outside the connecting sleeve.

Through adopting above-mentioned technical scheme, operating personnel makes the outer wall separation of butt joint board and core bar through pulling ring, pulling inserted bar, and the inserted bar drives the adapter sleeve and slides along the core bar, promotes the sliding ring and slides along the core bar, and the ring provides an impetus for operating personnel, makes the process of removing inserted bar, adapter sleeve and sliding ring convenient laborsaving more.

The present invention may be further configured in a preferred embodiment as: the side wall of the connecting sleeve is provided with a clamping groove matched with the clamping block along the axial direction parallel to the inserting rod.

Through adopting above-mentioned technical scheme, when making the sliding ring slide along the core bar, make the fixture block contradict with the outer wall of adapter sleeve, restriction inserted bar and butt plate are close to the core bar motion, and the outer wall separation of butt plate and core bar, the spring is compressed, slides along the core bar through inserted bar and adapter sleeve, promotes the sliding ring and slides along the core bar, promotes receiving and releasing of binding clip subassembly. After pathological change tissue was got to binding clip subassembly clamp, slip ring position was confirmed promptly, operating personnel rotated the inserted bar with the hand, made the fixture block just to the draw-in groove, loosened the hand this moment, under the elasticity of spring, the fixture block slided along the draw-in groove, and inserted bar and butt board slide near the core bar, make butt plate contradict with the outer wall of core bar and lock. Like this for the in-process that removes sliding ring and adapter sleeve along the axial of core bar earlier stage, operating personnel need not always keep the outer wall separation of butt joint board and core bar to keeping away from the core bar direction pulling inserted bar, makes the clamp to get the process more laborsaving.

The present invention may be further configured in a preferred embodiment as: the inner wall of the connecting sleeve is parallel to the axial direction of the inserting rod, a sliding groove is formed in the axial direction of the inserting rod, a sliding block is arranged on the side wall of the abutting plate, and the sliding block is nested in the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, inserted bar and butt board move along the direction that is on a parallel with the inserted bar, and the slider slides along the spout, leads the butt board, makes the motion of butt board more stable, and the butt board of being convenient for is contradicted to the outer wall stability of core bar.

The present invention may be further configured in a preferred embodiment as: one surface of the abutting plate facing the core rod is attached to the outer wall of the core rod.

Through adopting above-mentioned technical scheme, the butt board is laminated with the outer wall of core bar towards the one side of core bar for area of contact between butt board and the core bar is great, has improved the compactness of being connected between butt board and the core bar, and the butt board of being convenient for is contradicted with the outer wall of core bar and is fixed spacingly to the sliding ring better, has improved the locking effect.

The present invention may be further configured in a preferred embodiment as: and an elastic pad is arranged on one surface of the abutting plate facing the core rod.

Through adopting above-mentioned technical scheme, when the butt plate butt in the outer wall of core bar, the cushion carries out the elasticity protection between butt plate and core bar, reduces the striking damage between butt plate and the core bar. Simultaneously, because the cushion has elastic deformation ability, receive the outer wall that can better laminating butt plate and core bar after the extrusion, improved the compactness of being connected between butt plate and the core bar, improved the locking effect to make the sliding ring position more stable at the in-process of centre gripping.

The present invention may be further configured in a preferred embodiment as: and anti-skid grains are arranged on one surface of the elastic cushion facing the core rod.

Through adopting above-mentioned technical scheme, the friction of cushion and core bar outer wall has further been increased to anti-skidding line, has improved the locking effect between butt plate and the core bar outer wall.

The present invention may be further configured in a preferred embodiment as: the inner wall of the circular ring is provided with a rubber ring.

Through adopting above-mentioned technical scheme, the rubber ring carries out the elasticity protection between the inner wall of ring and finger, has reduced the damage between finger and the ring.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the setting of sliding ring, core bar, adapter sleeve, inserted bar, butt joint board and spring, fix spacingly to the sliding ring, reduce the hand and last the fatigue that causes the sliding ring application of force, make the binding clip subassembly be in the clamping state to pathological change tissue, improved the stability and the security of clamping process.

2. Through the setting of fixture block and draw-in groove for the in-process that removes sliding ring and adapter sleeve along the axial of core bar in earlier stage, operating personnel need not always keep the outer wall separation of butt joint board and core bar to keeping away from the core bar direction pulling inserted bar, makes the clamp to get the process more laborsaving.

3. Through the setting of spout and slider, inserted bar and butt board move along the direction that is on a parallel with the inserted bar, and the slider slides along the spout, leads to the butt board, makes the motion of butt board more stable, and the butt board of being convenient for is contradicted to the outer wall stability of core bar.

Drawings

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

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a sectional structure diagram for embodying the inside of the connecting sleeve.

Fig. 4 is a schematic structural diagram for embodying.

In the figure, 1, a tong head assembly; 21. a core bar; 22. a slip ring; 23. a ring; 3. a spring hose; 4. a cable; 5. inserting a rod; 51. a circular ring; 511. a rubber ring; 52. a clamping block; 6. a butt joint plate; 61. a slider; 7. a spring; 8. connecting sleeves; 81. a card slot; 82. a chute; 9. an elastic pad; 91. and (4) anti-skid lines.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses an endoscope sampling forceps that stability is high, including binding clip subassembly 1, handle components, spring tube 3 and cable 4. The handle assembly comprises a core bar 21, a slip ring 22 and a finger ring 23, one end of the spring hose 3 is connected with the forceps head assembly 1, and the other end of the spring hose 3 is connected with the core bar 21; the cable 4 is inserted and arranged in the spring hose 3, one end of the cable 4 is fixedly connected with the tong head assembly 1, the other end of the cable 4 is connected with the sliding ring 22, the core rod 21 is sleeved with the sliding ring 22, and the sliding ring 22 is slidably mounted on the core rod 21 along the axial direction of the core rod 21. An operator pulls the sliding ring 22 to move along the axial direction of the core rod 21, so that the sliding ring 22 and the core rod 21 slide relatively, the inhaul cable 4 is driven to pull the tong head assembly 1, and the reeling and unreeling of the tong head assembly 1 are controlled.

Referring to fig. 2 and 3, the core rod 21 is coaxially sleeved with the connecting sleeve 8, the connecting sleeve 8 is slidably sleeved on the core rod 21, and the connecting sleeve 8 is fixedly connected with the sliding ring 22. An inner cavity is formed in the connecting sleeve 8, an inserting rod 5 penetrates through the side wall of the connecting sleeve 8 in a sliding mode, the axis of the inserting rod 5 is perpendicular to the axis of the core rod 21, the cross section of the inserting rod 5 is circular, and the outer wall of the inserting rod 5 and the side wall of the connecting sleeve 8 rotate relatively. A clamping block 52 is fixed on the outer wall of the insertion rod 5, and a clamping groove 81 matched with the clamping block 52 is formed in the side wall of the connecting sleeve 8 along the axial direction parallel to the insertion rod 5. The end part of the inserted link 5 outside the connecting sleeve 8 is fixed with a circular ring 51, and the inner wall of the circular ring 51 is fixed with a rubber ring 511. An operator pulls the circular ring 51 and the inserting rod 5 by fingers, and the circular ring 51 provides an acting point for the operator, so that the operation is more convenient and labor-saving. The rubber ring 511 performs elastic protection between the inner wall of the circular ring 51 and the fingers, reduces damage between the fingers and the circular ring 51, and is safe and reliable.

Referring to fig. 2 and 3, the end of the insertion rod 5 inserted into the connection sleeve 8 is rotatably connected with an abutting plate 6, the abutting plate 6 is located between the outer wall of the core rod 21 and the inner wall of the connection sleeve 8, the insertion rod 5 is sleeved with a spring 7 in a compressed state, and the spring 7 is located between the abutting plate 6 and the inner wall of the connection sleeve 8. The inner wall of the connecting sleeve 8 is provided with a sliding groove 82 along the direction parallel to the inserting rod 5, the side wall of the abutting plate 6 is provided with a sliding block 61, and the sliding block 61 is nested in the sliding groove 82 in a sliding manner. The inserted bar 5 and the butt plate 6 move in the direction parallel to the inserted bar 5, and the slider 61 slides along the sliding groove 82 to guide the butt plate 6, so that the movement of the butt plate 6 is more stable.

Referring to fig. 3 and 4, the cross section of core bar 21 is circular, and the one side that butt plate 6 faces core bar 21 is the cambered surface, and the one side that is convenient for butt plate 6 to face core bar 21 is laminated with the outer wall adaptation of core bar 21 for area of contact between butt plate 6 and core bar 21 is great, has improved the compactness of being connected between butt plate 6 and the core bar 21. The elastic pad 9 is arranged on one surface, facing the core bar 21, of the abutting plate 6, the elastic pad 9 is made of rubber materials, elastic protection is conducted between the abutting plate 6 and the core bar 21, and impact damage between the abutting plate 6 and the core bar 21 is reduced. The surface of the elastic pad 9 facing the core bar 21 is provided with anti-slip lines 91, so that the friction between the elastic pad 9 and the outer wall of the core bar 21 is increased.

The implementation principle of the above embodiment is as follows: an operator pulls the inserting rod 5 towards the direction far away from the core rod 21 by using the circular ring 51 by hand, so that the abutting plate 6 is separated from the outer wall of the core rod 21, the clamping block 52 slides along the clamping groove 81 far away from the core rod 21, the clamping block 52 is positioned outside the connecting sleeve 8, the inserting rod 5 is rotated, the clamping block 52 is abutted against the outer wall of the connecting sleeve 8, the inserting rod 5 and the abutting plate 6 are limited to move close to the core rod 21, and the spring 7 in a compression state is further compressed. The inserting rod 5 and the connecting sleeve 8 slide along the core rod 21, the sliding ring 22 is pushed to slide along the core rod 21, and the folding and unfolding of the tong head assembly 1 are pushed. Like this for operating personnel need not always keep butt plate 6 and the outer wall separation of core bar 21 to keeping away from core bar 21 direction pulling inserted bar 5, makes the clamp process more laborsaving.

After the forceps head assembly 1 clamps lesion tissues, namely the slip ring 22 is located, the inserting rod 5 is rotated to enable the clamping block 52 to be opposite to the clamping groove 81, an operator releases hands, the clamping block 52 slides along the clamping groove 81 under the elastic force of the spring 7, the inserting rod 5 and the butt plate 6 slide close to the core rod 21, and the butt plate 6 is enabled to be abutted and locked with the outer wall of the core rod 21. Spring 7 promotes the cushion 9 of butt joint board 6 and the laminating of the outer wall of core bar 21, makes adapter sleeve 8 and core bar 21 rigidity to fix spacingly to sliding ring 22, reduce the hand and continue the fatigue that causes the sliding ring 22 application of force, make binding clip subassembly 1 be in the clamping state to pathological change tissue, improved the stability and the security of clamping process. The anti-slip lines 91 increase the friction between the elastic pad 9 and the outer wall of the core rod 21, and further improve the locking and fixing effects.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. An endoscope sampling forceps with high stability comprises a forceps head assembly (1), a handle assembly, a spring hose (3) and a pull cable (4) inserted into the spring hose (3), wherein the handle assembly comprises a core bar (21), a sliding ring (22) and a finger ring (23), one end of the spring hose (3) is connected with the forceps head assembly (1), and the other end of the spring hose (3) is connected with the core bar (21); one end and binding clip subassembly (1) fixed connection of cable (4), the other end and the sliding ring (22) of cable (4) are connected its characterized in that:

slip ring (22) slidable mounting is in core bar (21), slip ring (22) fixedly connected with adapter sleeve (8), adapter sleeve (8) slip cap is located core bar (21), insert rod (5) are worn to be equipped with in the lateral wall slip of adapter sleeve (8), the end connection that insert rod (5) inserted in adapter sleeve (8) has butt joint board (6), butt joint board (6) are located the outer wall of core bar (21) with between the inner wall of adapter sleeve (8), butt joint board (6) with be equipped with between the inner wall of adapter sleeve (8) spring (7) in compression state, spring (7) cover is located insert rod (5).

2. An endoscopic applicator according to claim 1, wherein: the end part of the inserted bar (5) positioned outside the connecting sleeve (8) is fixed with a circular ring (51).

3. An endoscopic applicator according to claim 1, wherein: the side wall of inserted bar (5) with adapter sleeve (8) rotates relatively, the outer wall of inserted bar (5) is fixed with fixture block (52), the lateral wall of adapter sleeve (8) along being on a parallel with the axial of inserted bar (5) seted up with draw-in groove (81) of fixture block (52) adaptation.

4. An endoscopic applicator according to claim 1, wherein: the inner wall of adapter sleeve (8) is along being on a parallel with spout (82) have been seted up to the axial of inserted bar (5), the lateral wall of butt joint board (6) is equipped with slider (61), slider (61) slip nested in spout (82).

5. An endoscopic applicator according to claim 1, wherein: one surface of the abutting plate (6) facing the core bar (21) is attached to the outer wall of the core bar (21).

6. An endoscopic applicator according to claim 1, wherein: and an elastic pad (9) is arranged on one surface, facing the core rod (21), of the abutting plate (6).

7. An endoscopic applicator according to claim 6, wherein: one surface of the elastic cushion (9) facing the core bar (21) is provided with anti-skid grains (91).

8. An endoscopic applicator according to claim 2, wherein: the inner wall of the circular ring (51) is provided with a rubber ring (511).

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