CN111887915B

CN111887915B - Multi-hook anti-shake kit for ophthalmic surgery

Info

Publication number: CN111887915B
Application number: CN202010877311.1A
Authority: CN
Inventors: 万明辉; 余新平; 林祖顺; 尚茹茹
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-09-07
Anticipated expiration: 2040-08-27
Also published as: CN111887915A

Abstract

The invention discloses a multi-hook anti-shake kit for ophthalmic surgery, which comprises a shell, a pushing mechanism and a surgical hook, wherein the pushing mechanism pushes different surgical hooks to enter and exit the shell, a stabilizing piece for preventing a hook part of the surgical hook from shaking is further arranged in the shell, the stabilizing piece is arranged at the end part of a cylinder body close to a bottom cover, and the surgical hook extends out of the shell after penetrating through the stabilizing piece. According to the multi-hook anti-shaking kit for the ophthalmic surgery, medical staff push the surgical hook to be used out of the shell for use by sliding the sliding button, so that the process of putting down and taking the surgical hook is avoided; a plurality of different types of surgical hooks are combined, so that the surgical hooks are convenient to arrange in a storage box; the stabilizing piece is arranged in the shell, so that the vibration of the elongated surgical hook in the shell in the use process can be guaranteed, and the stability of the surgical hook in the operation process is improved.

Description

Multi-hook anti-shake kit for ophthalmic surgery

Technical Field

The invention relates to the technical field of medical instruments for eye surgery, in particular to a multi-hook anti-shake kit for eye surgery.

Background

In ophthalmic surgery, the ophthalmic surgical hook can be a single-head or double-head hook, and is used for hooking and pulling eye tissues during surgery. Most of the surgical hooks have the following characteristics: the handle part is in a strip shape or a rod shape, and the end part is a draw hook which plays different roles and has different shapes. An ophthalmic strabismus hook used in strabismus surgery can be classified into a holed hook, a holeless hook, a round-headed hook, and the like, because the shapes of the end portions are different. In the course of strabismus surgery, medical staff often can be used for hooking different muscles according to the width and the length of the hook end part drag hook. Specifically, a long hook is generally used to hook the rectus muscle, and a short hook is generally used to hook the oblique muscle.

In the process of replacing a surgical hook, the surgical hook which is already held on a hand is put down and then a proper surgical instrument is grabbed, and the following problems can occur in the process of replacing different types of surgical instruments:

1. since the shape of the hook portion is different for each type of surgical hook and the shape of the other portions such as the stem portion of the hook is substantially the same, it takes time for the medical staff to carefully identify the surgical hook when the medical staff changes the surgical hook.

2. The surgical hook is independently used, and the handle part of the rod is slender and is not easy to grab and apply force, so that the surgical process is influenced.

Disclosure of Invention

The invention aims to provide a multi-pull-hook anti-shake kit for ophthalmic surgery, which can easily and conveniently replace and use different types of surgical hooks through a holding rod to ensure that the surgery can be smoothly carried out.

In order to realize the purpose of the invention, the invention adopts the following technical scheme: a multi-pull-hook anti-shake kit for ophthalmic surgery comprises a hollow long-barrel-shaped shell, wherein a pushing mechanism and a plurality of surgical hooks for ophthalmic surgery are arranged in the shell, the pushing mechanism comprises a first baffle and a plurality of pushing rods, the pushing rods and the surgical hooks are arranged correspondingly, each pushing rod is connected with different surgical hooks, the first baffle is transversely arranged in the middle of the shell, a plurality of first through holes are formed in the first baffle, the first through holes are circumferentially arranged in an array manner, the pushing rods penetrate through the first through holes, and the pushing rods are arranged in parallel to the shell;

the sliding control mechanism is arranged corresponding to the pushing rod and comprises a sliding button and a sliding block, one side of the sliding block is fixed on the pushing rod, a sliding groove arranged along the length direction is formed in the shell, the sliding button is arranged on the outer side of the shell, and the other side of the sliding block penetrates through the sliding groove and is fixed with the sliding button;

the first baffle is provided with a boss, the boss is arranged in the middle of a plurality of first through holes arranged in a circumferential array, the push rod is provided with a strip-shaped clamping piece, one end of the clamping piece is fixed on the rod body of the push rod, the other end of the clamping piece extends in an inclined manner towards the boss, and the boss is provided with a clamping table for clamping the end part of the clamping piece;

the surgical hook is characterized by further comprising a stabilizing piece for preventing the hook part of the surgical hook from shaking, the stabilizing piece is arranged at the end part, close to the bottom cover, of the barrel body, and the surgical hook penetrates through the stabilizing piece and then extends out of the shell.

Compared with the prior art, the multi-hook anti-shaking kit for the ophthalmic surgery, which adopts the technical scheme, has the following beneficial effects:

firstly, by adopting the multi-hook anti-shake kit for the ophthalmic surgery, medical staff can push the surgical hook to be used out of the shell for use by sliding the sliding button, so that the process of taking the surgical hook after putting down is avoided.

And secondly, the surgical hooks of different types are combined, so that the surgical hooks are convenient to arrange in a storage box.

And thirdly, the shell of the surgical retractor kit is thicker than the handle rod of the traditional surgical hook, so that a user can conveniently grasp the surgical retractor kit in the using process.

Fourthly, a stabilizing part is arranged in the shell, so that the vibration of the elongated surgical hook in the shell in the using process can be ensured, and the stability of the surgical hook in the operating process is improved.

Preferably, the surgical hook further comprises a stabilizing member for preventing the hook part of the surgical hook from shaking, the stabilizing member is arranged at the end part of the cylinder body close to the bottom cover, and the surgical hook passes through the stabilizing member and then extends out of the shell.

Preferably, the surgical hook comprises a handle rod and a hook part, a second baffle is arranged in the shell and is parallel to the first baffle, the handle rod of the surgical hook is fixed at the end part of the pushing rod after the surgical hook penetrates through the second baffle, the diameter of the joint of the handle rod and the pushing rod is larger than that of the handle rod, a spring is sleeved on the handle rod of the surgical hook, and the spring is located between the joint and the second baffle.

Preferably, the device further comprises a reset button, the reset button is arranged at the end of the shell, a movable cavity is formed in the boss of the first baffle, a movable part is arranged in the movable cavity, the caliber of a cavity opening of the movable cavity, which faces one side of the reset button, is smaller than that of the cavity, the movable part is located in the movable cavity and cannot be disengaged from the cavity opening, and the movable part can move in the movable cavity along the length direction of the push rod; the movable part is provided with a plurality of extension rods, one end of each extension rod is arranged on the movable part, the other end of each extension rod penetrates through the cavity opening and then is arranged along the radial direction of the shell in an inclined mode, the extension rods correspond to the clamping pieces, the clamping table is arranged at the end portion, far away from the movable part, of each extension rod, and the reset button is connected to one side, close to the cavity opening of the movable cavity, of the movable part through the connecting rod.

Preferably, the casing is including top cap, stack shell and bottom that connects gradually, the top cap with the bottom sets up respectively at the both ends of stack shell, reset button sets up on the top cap, the catch bar sets up the one end that is close to the top cap at the stack shell, the hook sets up the one end that is close to the bottom at the stack shell for the operation, be equipped with the export on the bottom, hook portion of hook for the operation is from the export business turn over under the drive of catch bar.

Preferably, the stabilizing member is arranged at the center of the barrel body, the handles of the surgical hook are bent, and the distance between the handles close to the hook part of the surgical hook is smaller than the distance between the handles close to the push rod.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a multi-hook anti-shake kit for ophthalmic surgery according to the present invention.

Fig. 2 is an exploded view of the surgical retractor kit of this embodiment.

Fig. 3 is a schematic structural diagram of the inside of the housing in this embodiment.

Fig. 4 is a schematic structural diagram of the bottom cover in the embodiment.

Fig. 5 is a schematic structural diagram of the stabilizing structure in this embodiment.

Fig. 6 is a cross-sectional view of the surgical retractor kit of this embodiment.

Fig. 7 is a cross-sectional view of the surgical retractor kit of this embodiment with a surgical hook depressed.

Fig. 8(a) - (c) are schematic diagrams illustrating the process of resetting the push rod after the reset button is pressed in the embodiment.

Reference numerals: 10. a housing; 101. a top cover; 102. a barrel body; 103a bottom cover; 103a, an outlet; 11. a chute; 12. a second baffle; 13. a spring; 21. a first baffle plate; 211. a first through hole; 212. a boss; 212a, a clamping table; 212b, a second inclined surface; 212b, an active cavity; 22. a push rod; 221. a fastener; 221a, a first inclined surface; 23. a joint; 31. a slide button; 32. a slider; 41. a handle bar; 50. a reset button; 51. a movable member; 52. an extension pole; 53. a connecting rod; 6. a stabilizer; 61. grooving; 62. a fixed block; 621. and (7) stabilizing the hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the ophthalmic surgical multi-hook anti-shake kit includes a housing 10 and a plurality of surgical hooks telescopically disposed inside the housing 10, and hook portions of different surgical hooks may be different shapes (not specifically shown in the drawings) suitable for different scenes. The inside of the housing 10 is provided with a pushing mechanism for pushing the surgical hook out of the housing 10 and a reset button 50 for resetting the surgical hook to a position inside the housing 10.

Wherein, the casing 10 comprises a cylinder 102, a top cover 101 and a bottom cover, the top cover 101 and the bottom cover are respectively arranged at two ends of the cylinder 102, the reset button 50 is arranged at one end of the top cover 101, and the hook part of the operation hook enters and exits the casing 10 from an outlet 103a of the bottom cover. Barrel 102 may be circular, polygonal, or other irregular shape in cross-section. In the present embodiment, the barrel 102 has a circular cross-section in order to ensure the comfort of the user when gripping the barrel 102 and to facilitate pushing the surgical hook in the same housing 10.

In this embodiment, four surgical hooks are provided inside the housing 10, and the four surgical hooks are arranged inside the housing 10 in a circular array with the midpoint of the circular barrel 102 as the center of the array. Correspondingly, four sliding grooves 11 are arranged on the barrel body 102, the sliding grooves 11 are arranged corresponding to the positions of the surgical hooks, the length direction of the sliding grooves 11 is the same as that of the barrel body 102, and the sliding grooves 11 are arranged at one end, close to the top cover 101, of the barrel body 102.

As shown in fig. 3, the pushing mechanism provided in the barrel 102 includes a first baffle 21 and a plurality of pushing rods 22, the pushing rods 22 are provided corresponding to the surgical hooks, the pushing rods 22 are connected to one end of the handle 41 of the surgical hook, and the pushing rods 22 are connected to the sliding button 31 through the slider 32. The push rod 22 is located inside the cylinder 102, the sliding button 31 is located outside the cylinder 102, and the slider 32 is located in the sliding slot 11 and serves to connect the push rod 22 and the sliding button 31 inside and outside the cylinder 102. The outer surface of the sliding button 31 in contact with the human body adopts an uneven surface, so that the friction force between the fingers and the sliding button 31 is increased, and the use experience is guaranteed. The slide button 31 is located outside the barrel 102, and when a user such as a medical staff needs to use the surgical hook in the barrel 102, the user presses the slide button 31 corresponding to the corresponding surgical hook, slides the slide button 31 from the top cover 101 to the bottom cover along the length direction of the barrel 102, drives the hook part of the surgical hook provided on the push rod 22 to be exposed from the outlet 103a of the bottom cover, and is convenient for the user to use the corresponding surgical hook.

A first baffle 21 in the pushing mechanism is transversely perpendicular to the cylinder body 102 and arranged in the cylinder body 102, a plurality of first through holes 211 are formed in the first baffle 21, and the plurality of first through holes 211 are circumferentially arrayed by taking the center of the circular cylinder body 102 as an array center. Accordingly, each push rod 22 passes through the corresponding first through hole 211.

As shown in fig. 4 and 5, the hook for operation is a long rod type, which is easy to vibrate in the up-and-down movement process, in this embodiment, a stabilizing member 6 is further provided to prevent the hook portion of the hook for operation from shaking, the stabilizing member 6 is disposed at the end of the barrel 102 close to the bottom cover, a plurality of slots 61 are uniformly formed in the side surface of the stabilizing member 6 along the length direction of the push rod 22, and the handle rods 41 of the hook for operation are respectively located in the slots 61. A fixing block 62 is arranged in the slot 61, a stabilizing hole 621 is arranged on the fixing block 62, and the handle rod 41 penetrates through the stabilizing hole 621. The operation hook has the effect of the stabilizing hole 621, can be more stable when moving in the barrel body 102, is not easy to shake, and is convenient to use and operate. Wherein, the stabilizing piece 6 is arranged at the center of the barrel 102, the handles 41 of the surgical hook are bent, and the distance between the handles 41 of the surgical hook near the hook part is close to the distance between the handles 41 of the push rod 22, so that the hook part of the surgical hook is close to the center when extending out of the bottom cover, thereby increasing the use comfort.

As shown in fig. 6, the pushing rod 22 is provided with a strip-shaped clip 221, one end of the clip 221 is fixed on the shaft of the pushing rod 22, and the other end extends obliquely towards the boss 212. In addition, a boss 212 is arranged on the first stopper, the boss 212 is arranged in the middle of a plurality of first through holes 211 arranged in a circumferential array, a movable cavity 212b is formed in the boss 212, a movable part 51 is arranged in the movable cavity 212b, the caliber of a cavity opening of one side, far away from the hook part for operation, of the movable cavity 212b is smaller than that in the cavity, the caliber of the cavity opening can ensure that the movable part 51 moves in the movable cavity 212b and cannot be separated from the cavity opening of the movable cavity 212b, and in the embodiment, the movable part 51 can move in the movable cavity 212b along the length direction of the barrel body 102.

As shown in fig. 3 and 6, four extension rods 52 are disposed on the movable member 51, one end of each extension rod 52 is disposed on the movable member 51, and the other end of each extension rod 52 is disposed obliquely to the outer edge after passing through the opening of the movable chamber 212 b. In the present embodiment, the cylinder 102 is disposed in a circular shape, the first baffle 21 disposed in the cylinder 102 is also disposed in a circular shape, and the movable cavity 212b disposed in the boss 212 and the movable member 51 disposed in the movable cavity 212b are both disposed in a circular shape. The four extension rods 52 are uniformly arranged with the circle center of the circular movable member 51 as the center, and the extension rods 52 extend along the radial direction.

As shown in fig. 7, the end of the extension rod 52 extending through the cavity is provided with a stop 212a, and the catch 221 provided on the push rod 22 and the extension rod 52 provided on the movable member 51 are correspondingly provided. The enlarged view in fig. 7 is a schematic view showing a state in which the catching piece 221 of the push lever 22, which is pushed downward, is caught on the catching table 212a of the corresponding movable lever.

A second baffle 12 is arranged in the cylinder, and the second baffle 12 is arranged in parallel with the first baffle 21. The push rod 22 passes through the first baffle 21 from the side of the cylinder 102 provided with the top cover 101, the handle rod 41 of the surgical hook passes through the second baffle 12 from the side of the cylinder 102 provided with the bottom cover, the connecting part 23 at which the push rod 22 and the surgical hook are fixed with each other is positioned on the bracket of the first baffle 21 and the second baffle 12, and the diameter of the connecting part 23 is larger than that of the handle rod 41 of the surgical hook. The handle 41 of the hook is provided with a spring 13, one end of the spring 13 is propped against the second baffle 12, and the other end of the spring 13 is propped against the joint 23 of the pushing rod 22 and the hook. When the user does not push the sliding button 31, the surgical hook is operated in the bottom cover by the spring 13, and is not exposed from the outlet 103a of the bottom cover, and the sliding block 32 connected with the corresponding pushing rod 22 is also located at one end of the sliding chute 11 close to the top cover 101, i.e. the unused state as shown in the multi-hook anti-shake kit for ophthalmic surgery in fig. 6.

When the user applies force to the sliding button 31, the sliding button 31 is pushed towards the bottom cover, and the clamping piece 221 on the push rod 22 approaches towards the extension rod 52 correspondingly arranged at the same time. One end of the clip piece 221, which is derived outwards, is provided with a first inclined surface 221a, and the first inclined surface 221a is close to one side of the bottom cover; the side of the clamping platform 212a close to the top cover 101 is provided with a second inclined surface 212b, the first inclined surface 221a and the second inclined surface 212b are oppositely arranged, when the end of the catch 221 approaches the extension rod 52, the two inclined surfaces contact each other, and when the slider 32 continues to advance toward the bottom cover, the first inclined surface 221a and the second inclined surface 212b are pressed against each other, the strip-shaped clamping piece 221 is deformed, the end of the clamping piece 221, which is derived towards the clamping platform 212a, is deformed towards the pushing rod 22, so that the clamping piece 221 smoothly passes through the clamping platform 212a, the clamping piece 221 is contacted with one side of the clamping platform 212a, which is close to the bottom cover, at this time, the user removes the force applied to the slide button 31, the card member 221 is caught by the catching stand 212a, that is, in the state shown in the enlarged view of fig. 7, the push rods 22 and the corresponding push rods 22 cannot be retracted into the barrel 102, and the user can perform corresponding operations using the corresponding surgical hooks that are pushed out.

The top cover 101 is provided with a reset button 50, and the reset button 50 is connected to the movable piece 51 through a connecting rod 53. The four extension rods 52 connected to the movable member 51 extend outwards, and when the multi-hook anti-shake kit for ophthalmic surgery is in an unused state, the extension rods 52 are in a natural state, so that the movable member 51 is clamped at a position of the movable cavity 212b close to the cavity opening of one side of the top cover 101. At this time, the reset button 50 is also driven by the movable element 51 to protrude out of the top bar, so that the user can press the button conveniently.

Fig. 8(a) to (c) are schematic views showing the process of retracting the surgical hook into the barrel 102 after the reset button 50 is pressed. When a user presses the reset button 50, the connecting rod 53 is pushed, the connecting rod 53 pushes the movable member 51 in the movable cavity 212b downward (in the bottom cover direction), and since the extension rod 52 is obliquely arranged in an outward extending manner, when the movable member 51 is pushed by the connecting rod 53 to move downward, the extension rod 52 connected to the movable member 51 is constrained by the cavity opening of the movable cavity 212b and approaches to the middle of the circular movable member 51, as shown in fig. 8 (a); at this time, the clamping platform 212a moves inwards to be separated from the end part of the clamping piece 221, the clamping piece 221 loses the limit of the clamping platform 212a, moves upwards (in the direction of the top cover 101) under the action of the spring 13, and the surgical hook retracts into the barrel body 102, as shown in fig. 8 (b); then, the user releases the reset button 50, the extension of the movable member 51 loses the external pressure, and the original shape is recovered, so as to drive the movable member 51, the connecting rod 53 and the reset button 50 to move upward, as shown in fig. 8 (c).

The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims

1. The utility model provides an ophthalmic surgery is with many hooks anti-shake external member which characterized in that: the ophthalmic surgical hook comprises a hollow long-tube-shaped shell (10), a pushing mechanism and a plurality of surgical hooks (4) for ophthalmic surgery are arranged in the shell (10), the pushing mechanism comprises a first baffle (21) and a plurality of push rods (22), the push rods (22) are arranged corresponding to the surgical hooks (4), each push rod (22) is connected with different surgical hooks (4) respectively, the first baffle (21) is transversely arranged in the middle of the shell (10), the first baffle (21) is provided with a plurality of first through holes (211), the first through holes (211) are arranged in a circumferential array mode, the push rods (22) penetrate through the first through holes (211), and the push rods (22) are arranged in parallel to the shell (10);

the sliding control mechanism is arranged corresponding to the push rod (22) and comprises a sliding button (31) and a sliding block (32), one side of the sliding block (32) is fixed on the push rod (22), a sliding groove (11) arranged along the length direction is formed in the shell (10), the sliding button (31) is arranged on the outer side of the shell (10), and the other side of the sliding block (32) penetrates through the sliding groove (11) and is fixed with the sliding button (31);

the first baffle (21) is provided with a boss (212), the boss (212) is arranged in the middle of a plurality of first through holes (211) which are circumferentially arranged in an array, the push rod (22) is provided with a strip-shaped clamping piece (221), one end of the clamping piece (221) is fixed on the rod body of the push rod (22), the other end of the clamping piece (221) extends towards the boss (212) in an inclined manner, and the boss (212) is provided with a clamping table (212 a) for clamping the end part of the clamping piece (221);

the surgical hook is characterized by further comprising a stabilizing piece (6) for preventing the hook part of the surgical hook (4) from shaking, wherein the stabilizing piece (6) is arranged at the end part, close to the bottom cover, of the barrel body (102), and the surgical hook (4) penetrates through the stabilizing piece (6) and then extends out of the shell (10);

the side surface of the stabilizing piece (6) is uniformly provided with a plurality of grooves (61) arranged along the length direction of the push rod (22), the handle rods (41) of the surgical hook (4) are respectively positioned in the grooves (61), a fixing block (62) is arranged in each groove (61), a stabilizing hole (621) is formed in each fixing block (62), and each handle rod (41) penetrates through each stabilizing hole (621);

the surgical hook (4) comprises a handle rod (41) and a hook part, a second baffle plate (12) is arranged in the shell (10), the second baffle plate (12) and the first baffle plate (21) are arranged in parallel, after the surgical hook (4) penetrates through the second baffle plate (12), the handle rod (41) of the surgical hook (4) is fixed at the end part of the push rod (22), the diameter of the joint (23) of the handle rod (41) and the push rod (22) is larger than that of the handle rod (41), a spring (13) is sleeved on the handle rod (41) of the surgical hook (4), and the spring (13) is positioned between the joint (23) and the second baffle plate (12);

the reset device is characterized by further comprising a reset button (50), the reset button (50) is arranged at the end of the shell (10), a movable cavity (212 b) is formed in the boss (212) of the first baffle (21), a movable piece (51) is arranged in the movable cavity (212 b), the caliber of a cavity opening of one side, facing the reset button (50), of the movable cavity (212 b) is smaller than that of the cavity, the movable piece (51) is located in the movable cavity (212 b) and cannot be separated from the cavity opening, and the movable piece (51) can move in the movable cavity (212 b) along the length direction of the push rod (22); be equipped with a plurality of extension rods (52) on moving part (51), the one end setting of extension rod (52) is on moving part (51), the other end of extension rod (52) passes outside along casing (10) radial slope setting behind the accent, and is a plurality of extension rod (52) with fastener (221) correspond the setting, the tip of moving part (51) is kept away from in extension rod (52) in card platform (212 a) setting, reset button (50) are connected through connecting rod (53) and are close to moving chamber (212 b) accent one side in moving part (51).

2. The ophthalmic surgical multi-hook anti-shake kit according to claim 1, wherein: the shell (10) comprises a top cover (101), a barrel body (102) and a bottom cover which are sequentially connected, the top cover (101) and the bottom cover are respectively arranged at two ends of the barrel body (102), the reset button (50) is arranged on the top cover (101), the push rod (22) is arranged at one end, close to the top cover (101), of the barrel body (102), the surgical hook (4) is arranged at one end, close to the bottom cover, of the barrel body (102), an outlet (103 a) is formed in the bottom cover, and the hook portion of the surgical hook (4) is driven by the push rod (22) to enter and exit from the outlet (103 a).

3. The ophthalmic surgical multi-hook anti-shake kit according to claim 2, wherein: the stabilizing piece (6) is arranged at the center of the barrel body (102), the handles (41) of the surgical hook (4) are arranged in a bent mode, and the distance between the handles (41) of the surgical hook (4) close to the hook part is smaller than the distance between the handles (41) close to the push rod (22).