CN217430107U

CN217430107U - Meniscus basket pincers of head angularly adjustable

Info

Publication number: CN217430107U
Application number: CN202122952963.XU
Authority: CN
Inventors: 王斌; 吴畏; 陈巧杰; 杨超
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-09-16
Anticipated expiration: 2031-11-29

Abstract

The utility model provides a meniscus basket clamp with an adjustable head angle, which comprises a tube body, a handle and a clamp head assembly, wherein one end of the tube body is connected with the handle, the other end of the tube body is connected with the clamp head assembly, the end part of the tube body is provided with a bending section, and the handle is provided with a control assembly for controlling the bending angle of the bending section; the binding clip subassembly with the handle can be dismantled through removable device and be connected, the binding clip subassembly include with the shell that the handle can be dismantled and be connected, locate articulated subassembly in the shell and with the splint that articulated subassembly links to each other, be connected with on the articulated subassembly and draw the piece, draw the piece with the handle is correlated with. The utility model discloses a set up the backboard clamp into the form that can buckle, can be when the operation, the better bending of backboard clamp of guide to can also accomplish corresponding operation when the operation incision is less, need not insert the backboard clamp because of needs slope, and lead to needs to enlarge the operation incision.

Description

Meniscus basket pincers of head angularly adjustable

Technical Field

The utility model belongs to the technical field of the medical treatment, especially, relate to a meniscus basket pincers of head angularly adjustable.

Background

The basket plate forceps are surgical instruments commonly used in orthopedic surgery, the end parts of the existing basket plate forceps cannot be bent, so that the operation is very unfavorable in the use process, doctors are required to be inserted into surgical incisions at different angles, corresponding surgical operation is carried out, and the difficulty of the surgical operation is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a meniscus basket pincers of head angularly adjustable to prior art's not enough.

The utility model discloses a realize above-mentioned purpose, provide following technical scheme: a meniscus basket clamp with an adjustable head angle comprises a pipe body, a handle and a clamp head assembly, wherein one end of the pipe body is connected with the handle, the other end of the pipe body is connected with the clamp head assembly, a bending section is arranged at the end part of the pipe body, and a control assembly for controlling the bending angle of the bending section is arranged on the handle; the binding clip subassembly with the handle can be dismantled through removable device and be connected, the binding clip subassembly include with the shell that the handle can be dismantled and be connected, locate articulated subassembly in the shell and with the splint that articulated subassembly links to each other, be connected with on the articulated subassembly and draw the piece, draw the piece with the handle is correlated with.

The utility model discloses a set up the backboard clamp into the form that can buckle, can be when the operation, the better bending of backboard clamp of guide to can also accomplish corresponding operation when the operation incision is less, need not insert the backboard clamp because of needs slope, and lead to needs to enlarge the operation incision.

Optionally, the detachable device includes a pull rod disposed on the pull member, a fixing plate disposed at an end of the tube body, a connecting rod disposed on the fixing plate in a penetrating manner, a connecting hole disposed on the connecting rod, a locking assembly disposed at an end of the pull rod, a locking assembly disposed on the tube body, a driving steel wire disposed on the connecting rod, and a screw sleeve disposed on the tube body.

Optionally, the locking subassembly is including locating movable rod on the fixed plate, locating fixed plate on the fixed plate, locating baffle, cover on the movable rod are located first elastic component on the movable rod, locating opening on the body and locating the promotion piece of movable rod tip, wherein, be provided with the confession on the baffle the hole that the movable rod passed, promote the piece and follow wear out in the opening, first elastic component one end with the baffle butt, the other end with the fixed plate links to each other.

Optionally, the closure subassembly is including locating annular limiting plate in the connecting hole, locating through-hole on the pull rod, locating the breach, the slip of through-hole tip are located intraoral locking piece of breach, with second elastic component that the locking piece links to each other, wear to locate connecting rod in the through-hole, locate slope piece on the connecting rod, locate cardboard on the connecting rod, cover are located third elastic component on the connecting rod, locate support on the through-hole inner wall board and locate fixed subassembly on the connecting rod.

Optionally, the fixing component comprises an opening arranged at the end part of the pull rod, a fixing box arranged at the end part of the connecting rod, a fourth spring arranged in the fixing box, a hook connected with the fourth spring, and a clamping block arranged on the side wall of the pull rod.

Optionally, the bending section is formed by sequentially connecting and arranging a plurality of hollow snake bones end to end, the snake bones penetrate through the elastic steel wire, and the control assembly comprises a pulling piece connected with the elastic steel wire, a threaded sleeve connected with the pulling piece, and a tree-shaped pipe arranged on the pipe body.

In conclusion:

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view taken at a-a in fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is an exploded view of fig. 1.

Fig. 6 is a side view of fig. 1.

Fig. 7 is a cross-sectional view at B-B in fig. 6.

Fig. 8 is an enlarged view of fig. 7 at C.

Fig. 9 is an enlarged view of fig. 8 at D.

Fig. 10 is an enlarged view of fig. 7 at E.

Fig. 11 is a longitudinal sectional view of fig. 1.

Fig. 12 is a perspective view of the snake bone structure of fig. 1.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

Referring to fig. 1-12, a meniscus basket forceps with an adjustable head angle comprises a tube body 1, a handle 2 and a forceps head assembly 3, wherein one end of the tube body 1 is connected with the handle 2, and the other end is connected with the forceps head assembly 3.

The surface of the pipe body 1 is provided with a hydrophilic coating so as to be better contacted with the environment in a human body. In order to ensure that the end of the pipe body 1 can be bent, a bending section 101 is arranged at the end of the pipe body 1, and a control component is arranged on the pipe body 1, the control component can control the bending of the bending section 101, and the bending section 101 is connected with the tong head component 3, so that the end of the pipe body 1 can be bent.

The bending section 101 is formed by sequentially arranging a plurality of hollow snake bones 4 end to end, specifically, the snake bones 4 are provided with convex parts 41 and concave parts 42, the snake bones 4 are connected end to form the bending layer 4, the convex parts 41 and the concave parts 42 between two adjacent snake bones 4 are staggered, specifically, when the convex parts 41 on the first snake bones 4 are correspondingly positioned above the concave parts 42 on the second snake bones 4 on the first snake bones 4, the convex parts 41 on the third snake bones 4 on the second snake bones 4 are correspondingly positioned above the concave parts 42 on the second snake bones 4, and the snake bones 4 are alternately arranged in this order to form the bending section 101.

It is expected that the bending section 101 is composed of a plurality of snake bone units, and necessarily has better bending capability.

Furthermore, be equipped with the location arch on snake bone 4, be equipped with locating hole 451 on the protruding 45 of location, wear to be equipped with elasticity steel wire 452 in the locating hole, the head and the tail both ends of elasticity steel wire 452 are equipped with fender portion 4521, and fender portion 4521 and the protruding 45 mutual butt of location are so when pulling elasticity steel wire 452, can guide snake bone 4 to buckle. In order to make the bending section 101 capable of bending in multiple directions, four sets of the elastic steel wires 452 and the positioning protrusions 45 are provided, so that the bending in the desired direction can be realized only by pulling the elastic steel wires 452 as required.

The control assembly comprises a pulling piece 11a connected with the elastic steel wire 452, a thread sleeve 12a connected with the pulling piece 11a and a tree-shaped pipe 13a arranged on the pipe body 1, wherein the control assembly comprises two groups, and the two groups of control assemblies are respectively used for controlling the pipe body to bend towards two mutually perpendicular directions. One end of the pulling piece 11a is connected with the elastic steel wire 452, the other end of the pulling piece passes through the tree-shaped pipe 13a and is connected with the threaded sleeve 12a, the threaded sleeve 12a is in threaded connection with the tree-shaped pipe 13a, and the threaded sleeve 12a is in rotational connection with the pulling piece 11a, so that the bending section 101 at the end part of the catheter 2 is driven to bend in a manner of rotating the threaded sleeve 12 a.

Further, the binding clip assembly comprises a housing 31, a hinge assembly 32 disposed in the housing 31, and a clamping plate 33 connected to the hinge assembly 32, wherein the hinge assembly is a common scissor arm in the market, as shown in the drawings, one end of the hinge assembly is connected to the clamping plate 33, and the other end of the hinge assembly is connected to the pulling member 34, so that the clamping plate 33 can be guided to fold by pulling the pulling member 34.

Further, basket board pincers have multiple model in the use, for this reason, the utility model discloses a with binding clip subassembly and bending segment 101 with dismantled and assembled setting for dismantling the connection, and then can change the binding clip of different models.

Specifically, the detachable device includes a pull rod 21 disposed on the pull member 34, a fixing plate 22 disposed at an end of the tube body 1, a connecting rod 23 disposed on the fixing plate 22 in a penetrating manner, a connecting hole 230 disposed on the connecting rod 23, a locking component disposed at an end of the pull rod 21, a locking component disposed on the tube body 1, a driving steel wire 24 disposed on the connecting rod 23, and a screw sleeve 25 disposed on the tube body 1.

Wherein, the driving wire 24 is connected with the handle, so that the handle is connected with the connecting rod 23 through the driving wire 24, and the pull rod 21 is inserted into the connecting hole 230 and locked with the inner wall of the connecting hole 230 through the locking component, so that the handle can pull the pulling component 34, and the tong head component can be pulled to be closed at the end of the handle.

Further, so the driving steel wire 24 will be in a very straight state in use, after the connecting rod 23 and the pull rod 21 are disconnected, the driving steel wire 24 retracts, and then the driving steel wire 24 will be drawn back into the tube body 1, that is to say, the connecting rod 23 will be separated from the fixing plate 22, the assembly of the connecting rod 23 and the fixing plate 22 will be affected, and meanwhile, when the pull rod 21 is inserted into the connecting hole 230, the connecting rod 23 will also be retracted, for this reason, the utility model discloses a set up the locking assembly, when the binding clip subassembly separates from the bending section each other, the connecting rod 23 is fixed, when the binding clip subassembly and the bending section interconnect, the connecting rod 23 is loosened.

Wherein, shell 31 with body 1 passes through the spiro union cover 25 spiro union, specifically, all be provided with on shell 31 and the body with spiro union cover 25 intermeshing's screw thread.

The locking assembly comprises a movable rod 311 arranged on the fixed plate 22, a fixed plate 312 arranged on the fixed plate 22, a baffle 313 arranged on the movable rod 311, a first elastic part 314 sleeved on the movable rod 311, an opening 315 arranged on the tube body 1, and a pushing block 316 arranged at the end part of the movable rod 311, wherein a hole for the movable rod 311 to pass through is arranged on the baffle 313, the pushing block 316 penetrates out of the opening 315, one end of the first elastic part 314 is abutted against the baffle 313, the other end of the first elastic part is connected with the fixed plate 312, so that under the pulling of the first elastic part 314, the pushing block 316 extends out of the opening 315, and meanwhile, the arc-shaped block 310 arranged at the end part of the movable rod 311 is separated from the connecting rod 23.

Therefore, when the screw socket 25 connects the tube body 1 and the housing 31, the pushing piece 316 is extended, and when the screw socket 25 is rotated to the lower side of the tube body 1, the screw socket 25 and the housing 31 are separated, and the screw socket 25 pushes the pushing piece 316 into the opening 315. For this purpose, the side wall of the pushing block 316 is inclined.

The locking assembly is used for connecting the pull rod 21 and the connecting hole 230 after the pull rod 21 is inserted into the connecting hole 230.

The locking assembly comprises a ring-shaped limiting plate 321 arranged in the connecting hole 230, a through hole 322 arranged on the pull rod 21, a notch 323 arranged at the end of the through hole 322, a locking block 324 arranged in the notch 323 in a sliding manner, a second elastic piece connected with the locking block 324, a connecting rod 326 arranged in the through hole 322 in a penetrating manner, an inclined block 3261 arranged on the connecting rod 326, a clamping plate 3262 arranged on the connecting rod 326, a third elastic piece 327 sleeved on the connecting rod 326, a supporting plate 328 arranged on the inner wall of the through hole 322 and a fixing assembly arranged on the connecting rod 326.

The two locking blocks 324 are connected by a second spring, which is omitted in the figure, and the second spring pulls the two locking blocks 324 towards the middle, so that the locking blocks 324 retract into the notches 323.

The inner side of the locking block 324 is arranged obliquely, the inclined block 3261 and the locking block 324 correspond to each other, so that when the connecting rod 326 is pulled upwards, the locking block 324 can be pushed out, one end of the third elastic element 327 abuts against the bottom plate 328, the other end of the third elastic element 327 abuts against the clamping plate 3262, so that the connecting rod 326 can be pushed to move downwards, and further, the locking block 324 can be retracted into the notch 323.

The connecting rod 326 is provided with a fixing assembly which can lock the connecting rod 326 after the pull rod 21 is pulled out to eject the locking block 324 from the notch.

The fixing component comprises a through hole 331 arranged at the end part of the pull rod 21, a fixing box 332 arranged at the end part of the connecting rod 326, a fourth spring 333 arranged in the fixing box 332, a hook 334 connected with the fourth spring 333, and a clamping block 335 arranged on the side wall of the pull rod 21.

The utility model discloses a using-way does, inserts pull rod 21 to the connecting hole 230 in, then stimulates connecting rod 326, and guide connecting rod 326 upward movement to extrude the breach with locking block 324, thereby fix pull rod 21 in connecting empty 230, then pull out drag hook 334 from fixed box 332, and then let couple 334 and fixture block 335 link to each other.

It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. The meniscus basket forceps with the adjustable head angle are characterized by comprising a tube body, a handle and a forceps head assembly, wherein one end of the tube body is connected with the handle, the other end of the tube body is connected with the forceps head assembly, a bending section is arranged at the end part of the tube body, and a control assembly for controlling the bending angle of the bending section is arranged on the handle; the binding clip subassembly with the handle can be dismantled through removable device and be connected, the binding clip subassembly include with the shell that the handle can be dismantled and be connected, locate articulated subassembly in the shell and with the splint that articulated subassembly links to each other, be connected with on the articulated subassembly and draw the piece, draw the piece with the handle is correlated with.

2. The meniscus basket forceps with an adjustable head angle according to claim 1, wherein the detachable means comprises a pull rod provided on the pull member, a fixing plate provided on the end of the tube, a connecting rod penetrating the fixing plate, a connecting hole provided on the connecting rod, a locking assembly provided on the end of the pull rod, a locking assembly provided on the tube, a driving wire provided on the connecting rod, and a screw sleeve provided on the tube.

3. The meniscus basket forceps with the adjustable head angle as claimed in claim 2, wherein the locking assembly comprises a movable rod arranged on the fixed plate, a fixed plate arranged on the fixed plate, a baffle plate arranged on the movable rod, a first elastic member sleeved on the movable rod, an opening arranged on the tube body, and a pushing block arranged at the end of the movable rod, wherein a hole for the movable rod to pass through is arranged on the baffle plate, the pushing block penetrates out of the opening, one end of the first elastic member abuts against the baffle plate, and the other end of the first elastic member is connected with the fixed plate.

4. The meniscus basket clamp with the adjustable head angle as claimed in claim 3, wherein the locking assembly comprises an annular limiting plate arranged in the connecting hole, a through hole arranged on the pull rod, a notch arranged at the end of the through hole, a locking block arranged in the notch in a sliding manner, a second elastic member connected with the locking block, a connecting rod arranged in the through hole in a penetrating manner, an inclined block arranged on the connecting rod, a clamping plate arranged on the connecting rod, a third elastic member sleeved on the connecting rod, a supporting plate arranged on the inner wall of the through hole and a fixing assembly arranged on the connecting rod.

5. The meniscus basket forceps with the adjustable head angle as claimed in claim 4, wherein the fixing component comprises a through hole formed at the end of the pull rod, a fixing box formed at the end of the pull rod, a fourth spring arranged in the fixing box, a hook connected with the fourth spring, and a clamping block arranged on the side wall of the pull rod.

6. The meniscus basket forceps with the adjustable head angle as claimed in claim 1, wherein the bending section is formed by sequentially connecting and arranging a plurality of hollow snake bones end to end, the snake bones penetrate through the elastic steel wire, and the control assembly comprises a pulling member connected with the elastic steel wire, a threaded sleeve connected with the pulling member, and a tree-shaped pipe arranged on the pipe body.