CN209899517U - Instrument for rotator cuff repair surgery - Google Patents

Abstract

The application discloses an apparatus for operation is restoreed to rotator cuff, including preceding stock, back stock, a handle, the connecting rod, snatch binding clip and nook closing member, preceding stock is equipped with the installation cavity, the installation cavity is located to the one end of connecting rod, the handle and preceding stock, the connecting rod is connected, snatch the other end that the binding clip located the connecting rod, it opens or is closed to snatch the binding clip through handle interlock connecting rod control, preceding stock is movably connected with back stock, back stock is equipped with the mounting groove, the one end of nook closing member is installed in the mounting groove, the other end of nook closing member passes the installation cavity and inserts and locates in the connecting rod, be equipped with syringe needle and first draw-in groove on the nook closing member, it is equipped with second draw-in groove and crosses the line passageway to snatch the binding clip, the suture is blocked to the second draw-in groove, stretch out or withdraw through back stock control. The utility model provides an apparatus for rotator cuff repair operation, easy operation collects the tissue and snatchs and cross line function in an organic whole, can reduce surgical instruments's quantity, and improved operation efficiency greatly.

Description

Instrument for rotator cuff repair surgery

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an apparatus for raglan sleeve repair operation.

Background

With the development of orthopedic sports medicine, rotator cuff repair surgery has gained more and more extensive attention and application, and tissue grasping and thread passing are part of the surgery in order to grasp tissue and pass a suture through a target tendon. At present, the rotator cuff repair operation generally needs to grab tissues by tissue graspers, then threads by thread passing devices, and threads pass through the grabbed tissues to be sutured, and the rotator cuff repair operation is realized by the common cooperation of the two instruments, so that the rotator cuff repair operation is complex in operation, low in operation efficiency, and possibly causes confusion and risks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide an apparatus for rotator cuff repair operation, easy operation collects the tissue and snatchs and cross line function in an organic whole, can reduce surgical instruments's quantity, and improved operation efficiency greatly.

The utility model adopts the following technical scheme: the utility model provides an apparatus for rotator cuff repair surgery, which comprises a front gun handle, a rear gun handle, a connecting rod, a gripping binding clip and a needle core, wherein the front gun handle is provided with an installation cavity, one end of the connecting rod is arranged in the installation cavity, the connecting rod is of a hollow structure and is communicated with the installation cavity, the upper end of the handle is hinged with the front gun handle and is connected with the connecting rod, the gripping binding clip is arranged at the other end of the connecting rod, the connecting rod is linked with the handle to control the opening or closing of the gripping binding clip, the front gun handle is movably connected with the rear gun handle, the rear gun handle is provided with an installation groove, one end of the needle core is arranged in the installation groove, the other end of the needle core passes through the installation cavity and is inserted in the connecting rod, the needle core can move along the length direction of the connecting rod, the end part of the other end of the needle core is provided with a needle head and a first clamping groove for a hook, the grasping forceps head is provided with a second clamping groove and a thread passing channel, the second clamping groove is used for clamping a suture, the thread passing channel is communicated with the inside of the connecting rod and the second clamping groove, the rear gun handle controls the needle core to extend out or retract into the grasping forceps head, and then the suture clamped in the second clamping groove is driven to move in the thread passing channel.

In an embodiment of the utility model, it includes decides the binding clip and moves the binding clip to snatch the binding clip, decide the binding clip with it is articulated to move the binding clip, cross the line passageway with the second draw-in groove is all located on deciding the binding clip, it crosses line window, casement and first spring to move to be equipped with the assorted on the binding clip, cross the line window with it is relative to cross the line passageway, the casement through the round pin axle articulate in move on the binding clip, the epaxial round pin is located to first spring housing, the both ends of first spring are supported respectively the casement with move on the binding clip.

In an embodiment of the present invention, the fixed binding clip, the movable binding clip and the louver blade are all provided with anti-slip teeth.

In an embodiment of the utility model, the connecting rod includes interior pole and outer pole, interior pole with the outer pole is hollow structure, outer pole cover is located outside the interior pole, just interior pole can along the length direction motion of outer pole, fixed binding clip set firmly in on the outer pole, move binding clip movably with interior pole connection, the outer pole is located on the preceding stock, interior pole is equipped with the recess, the handle is equipped with the arch, protruding card establish with in the recess, through the handle drives interior pole motion, and then drive move the motion of binding clip.

In an embodiment of the utility model, back stock is the S-shaped, the lower extreme of back stock with the lower extreme of preceding stock is articulated, the upper end of back stock with the upper end of preceding stock sets up with having the interval, the middle part of back stock with the middle part of preceding stock is connected with the stopper, the one end of stopper is fixed on the back stock, spacing hole has been seted up to the other end of stopper, be equipped with the locating pin on the preceding stock, the locating pin with spacing hole cooperatees, will the other end of stopper is fixed on the preceding stock, spacing hole is rectangular form, and sets up along the length direction of stopper.

In an embodiment of the present invention, the instrument for rotator cuff repair surgery further includes a second spring, and both ends of the second spring are respectively connected to the rear pistol grip and the front pistol grip for resetting of the rear pistol grip.

In an embodiment of the present invention, a limit step is disposed on the sidewall of the limit hole, and is used for limiting the position of the positioning pin.

In an embodiment of the present invention, the instrument for rotator cuff repair surgery further includes a third spring, both ends of the third spring are connected respectively the stopper with the rear pistol grip, just the third spring is located above the stopper.

In an embodiment of the present invention, a first locking block is disposed on the front handle, a second locking block is disposed on the handle, a locking claw is disposed on the first locking block, a locking tooth is disposed on the second locking block, the locking claw cooperates with the locking tooth to limit the handle, a fourth spring is disposed between the handle and the front handle, and the fourth spring is used for resetting the handle.

In an embodiment of the present invention, the needle core includes a limiting portion, a hard needle portion and a soft needle portion, which are sequentially disposed, the limiting portion is installed in the mounting groove, the hard needle portion and the soft needle portion are inserted into the connecting rod, the soft needle portion can elastically deform and move in the wire passing channel.

The utility model has the advantages that: the utility model provides an apparatus for operation is restoreed to rotator cuff, including preceding stock, back stock, handle, connecting rod, snatch binding clip and nook closing member, snatch opening or being closed of binding clip through handle interlock connecting rod control, realize snatching the tissue function, through the direction motion of back stock control nook closing member toward snatching the binding clip, and then drive the suture of card on snatching the binding clip and pass the tissue, realize crossing the line function, easy operation collects the tissue and snatchs and cross line function in an organic whole, can reduce the quantity of surgical instruments, and improved operation efficiency greatly. During the use, earlier the suture card on the second draw-in groove, then hold preceding stock and back stock tightly, make back stock toward the direction motion of being close to preceding stock, thereby drive the nook closing member toward the direction motion of grabbing the binding clip, treat that the syringe needle passes through behind the second draw-in groove, loosen preceding stock and back stock, the nook closing member toward keeping away from the direction motion of binding clip, at this moment, first draw-in groove on the nook closing member hooks the suture, cross the line function and be in waiting to arouse the state, open the handle after that, make the handle toward the direction motion of keeping away from preceding stock, the handle interlock connecting rod is opened and is grabbed the binding clip, clip the tissue, then tightly hold the handle, make the handle toward the direction motion of being close to preceding stock, it presss from both sides tight tissue to grab the binding clip this moment, after gripping preceding stock and back stock, the nook closing member.

Drawings

Fig. 1 is a schematic perspective view of the apparatus for rotator cuff repair surgery according to the present invention;

FIG. 2 is a schematic view of the internal structure of the apparatus for rotator cuff repair surgery according to the present invention;

fig. 3 is a schematic structural view of the gripping tong head of the present invention;

fig. 4 is a schematic view of the internal structure of the gripping tong head of the present invention;

FIG. 5 is a connection diagram of the gripping tongs head and the connecting rod according to the present invention;

fig. 6 is a schematic structural view of the handle of the present invention;

FIG. 7 is a schematic structural view of the stylet of the present invention;

FIG. 8 is a schematic structural view of the soft needle portion of the present invention;

fig. 9 is a schematic view of the front and rear pistol grips of the present invention when released;

fig. 10 is a schematic structural view of the positioning pin of the present invention at the limit step;

fig. 11 is a schematic view of the front and rear grips of the present invention.

The figures are numbered: 1. a fore pistol grip; 2. a rear pistol grip; 3. a handle; 4. a connecting rod; 5. grabbing a tong head; 6. a needle core; 7. a limiting block; 8. a second spring; 9. a fourth spring; 10. sewing; 11. a mounting cavity; 12. a first locking block; 21. mounting grooves; 31. a protrusion; 32. a second lock block; 41. an inner rod; 42. an outer rod; 51. a second card slot; 52. a wire passage; 53. fixing a tong head; 54. a movable tong head; 61. a needle head; 62. a first card slot; 63. a limiting part; 64. a hard needle portion; 65. a soft needle portion; 71. a limiting hole; 72. positioning pins; 73. a limiting step; 74. a third spring; 411. a groove; 541. a wire passing window; 542. a louver; 543. a first spring.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.

Referring to fig. 1-8, the present invention provides an apparatus for rotator cuff repair surgery, which comprises a front gun handle 1, a rear gun handle 2, a handle 3, a connecting rod 4, a grasping forceps head 5 and a needle core 6, wherein the front gun handle 1 is provided with a mounting cavity 11, one end of the connecting rod 4 is disposed in the mounting cavity 11, the connecting rod 4 is of a hollow structure and is communicated with the mounting cavity 11, the upper end of the handle 3 is hinged to the front gun handle 1 and is connected to the connecting rod 4, the grasping forceps head 5 is disposed at the other end of the connecting rod 4, the connecting rod 4 is linked to the handle 3 to control the grasping forceps head 5 to open or close, the front gun handle 1 is movably connected to the rear gun handle 2, the rear gun handle 2 is provided with a mounting groove 21, one end of the needle core 6 is mounted in the mounting groove 21, the other end of the needle core 6 is inserted into the connecting rod 4 through the mounting cavity 11, the needle core 6 can move along the length direction of the connecting rod 4, the needle head 61 and a first clamping groove, snatch binding clip 5 and be equipped with second draw-in groove 51 and wire passing channel 52, second draw-in groove 51 is used for blocking suture 10, and wire passing channel 52 all communicates with inside connecting rod 4, second draw-in groove 51, and through back stock 2 control nook closing member 6 stretch out or withdraw and snatch binding clip 5, and then drive the motion of suture 10 of card in second draw-in groove 51 in wire passing channel 52. Open or closed of binding clip 5 is snatched in control through handle 3 linkage connecting rod 4, realizes snatching the tissue function, through the direction motion of back stock 2 control needle core 6 toward snatching binding clip 5, and then drives suture 10 of card on snatching binding clip 5 and pass the tissue, realizes crossing the line function, easy operation collects the tissue and snatchs and cross the line function in an organic whole, can reduce the quantity of surgical instruments, and improved operation efficiency greatly.

During the use, earlier with suture 10 card on second draw-in groove 51, then hold preceding stock 1 and back stock 2 tightly, make back stock 2 toward the direction motion of being close to preceding stock 1, thereby drive nook closing member 6 toward the direction motion of grabbing binding clip 5, treat that syringe needle 61 passes through behind second draw-in groove 51, loosen preceding stock 1 and back stock 2, nook closing member 6 is toward keeping away from the direction motion of binding clip, at this moment, first draw-in groove 62 on the nook closing member 6 hooks suture 10, cross the line function and be in waiting to arouse the state, open handle 3 after that, make handle 3 toward keeping away from preceding stock 1's direction motion, handle 3 interlock connecting rod 4 is opened and is grabbed binding clip 5, clip the tissue, then hold handle 3 tightly, make handle 3 toward the direction motion of preceding stock 1, grab binding clip 5 tight tissue this moment, hold preceding stock 1 and back stock 2 tightly, nook closing member 6 takes suture 10 to pass the tissue, accomplish and cross the line.

Snatch binding clip 5 and include deciding binding clip 53 and move binding clip 54, decide binding clip 53 and move binding clip 54 and articulate, it all locates on deciding binding clip 53 to cross wire channel 52 and second draw-in groove 51, it crosses wire window 541, casement 542 and first spring 543 to be equipped with the assorted on moving binding clip 54, it is relative with crossing wire channel 52 to cross wire window 541, casement 542 articulates on moving binding clip 54 through the round pin axle, the epaxial round pin is located to first spring 543 cover, the both ends of first spring 543 are supported respectively on casement 542 and moving binding clip 54, a reset for casement 542. After the needle core 6 with the suture 10 passes through the tissue, the window leaf 542 on the movable forceps head 54 is pushed open, and at the moment, the first spring 543 is stressed to generate elastic deformation; the front gun handle 1 and the rear gun handle 2 are loosened, the needle core 6 is retracted from the thread passing window 541, the suture 10 is in a loose state and falls off from the first clamping groove 62, the first spring 543 loses force and recovers to the original state, the window vane 542 is driven to fall back, the thread passing window 541 is closed, the thread passing window 541 and the window vane 542 are matched to clamp the suture 10, the thread grabbing clamp head can move the suture 10 out with the thread grabbing clamp head, the thread grabbing function is achieved, and then the suture 10 is knotted to fix tissues.

The fixed tong head 53, the movable tong head 54 and the window blades 542 are provided with anti-skidding teeth, so that the frictional resistance when the fixed tong head 53 and the movable tong head 54 clamp tissues can be increased, the frictional resistance when the thread passing window 541 and the window blades 542 are matched to clamp the thread 10 is increased, and the condition of slippage when the tissues are grabbed and the thread is grabbed is avoided.

Connecting rod 4 includes interior pole 41 and outer pole 42, interior pole 41 and outer pole 42 are hollow structure, outer pole 42 cover is located outside interior pole 41, and interior pole 41 can move along outer pole 42's length direction, fixed jaw 53 sets firmly on outer pole 42, movable jaw 54 is movably connected with interior pole 41, outer pole 42 is located before on the stock 1, interior pole 41 is equipped with recess 411, handle 3 is equipped with protruding 31, protruding 31 card establish with the recess 411 in, drive interior pole 41 through handle 3 and move, and then drive the motion of movable jaw 54. When the handle 3 is loosened, the lower end of the handle 3 moves towards the direction far away from the front pistol grip 1, force towards the direction close to the front pistol grip 1 is applied to the upper end of the handle 3, the handle 3 drives the inner rod 41 to move, and the inner rod 41 pulls the movable tong head 54 to be opened; when the handle 3 is gripped, the lower end of the handle 3 moves towards the direction close to the front pistol grip 1, a force towards the direction far away from the front pistol grip 1 is applied to the upper end of the handle 3, the handle 3 drives the inner rod 41 to move, and the inner rod 41 pulls the movable tong head 54 to close.

Back stock 2 is the S-shaped, the lower extreme of back stock 2 is articulated with preceding stock 1 'S lower extreme, the upper end of back stock 2 sets up with preceding stock 1' S upper end with having the interval, the middle part of back stock 2 is connected with stopper 7 with preceding stock 1 'S middle part, the one end of stopper 7 is fixed on back stock 2, spacing hole 71 has been seted up to stopper 7' S the other end, be equipped with locating pin 72 on preceding stock 1, locating pin 72 cooperatees with spacing hole 71, fix the other end of stopper 7 on preceding stock 1, spacing hole 71 is rectangular form, and set up along the length direction of stopper 7. The positioning pin 72 can only move in the limiting hole 71, so that the movement distance of the rear gun handle 2 towards the front gun handle 1 is limited, the movement distance of the needle core 6 is further limited, the accuracy of the needle core 6 in the thread passing process is guaranteed, and the operation risk is reduced.

The instrument for the rotator cuff repair surgery further comprises a second spring 8, and two ends of the second spring 8 are respectively connected with the rear gun handle 2 and the front gun handle 1 and used for resetting the rear gun handle 2. When the front gun handle 1 and the rear gun handle 2 are gripped, force is applied to the second spring 8, the second spring 8 is stressed to generate elastic deformation, and when the front gun handle 1 and the rear gun handle 2 are loosened, the second spring 8 loses force and restores the original state to drive the rear gun handle 2 to reset.

Referring to fig. 9-11, a limiting step 73 is disposed on a side wall of the limiting hole 71 for limiting the positioning pin 72, and the limiting step 73 is matched with the positioning pin 72 to realize double-pass wire passing. When the device is used, a first suture is clamped on the second clamping groove 51, the front gun handle 1 and the rear gun handle 2 are tightly held, the needle core 6 is driven to move towards the direction of grabbing the binding clip 5, the front gun handle 1 and the rear gun handle 2 are loosened after the needle 61 passes through the second clamping groove 51, the needle core 6 moves towards the direction far away from the binding clip, at the moment, the first clamping groove 62 on the needle core 6 hooks the first suture, then the second suture is clamped on the second clamping groove 51, the front gun handle 1 and the rear gun handle 2 are tightly held, the positioning pin 72 is slightly pushed for a short distance through the limiting step 73, the threading function is in a state to be excited, at the moment, the handle 3 is opened, the handle 3 is linked with the connecting rod 4 to open the grabbing binding clip 5 to grab tissue, then the front gun handle 1 and the rear gun handle 2 are tightly held, the needle core 6 drives the first suture to pass through the tissue, the first threading is completed, then the front gun handle 1 and the rear gun handle 2 are loosened, the needle, the first suture is pulled out of the first clamping groove 62 and clamped between the thread passing window 541 and the window leaf 542, when the needle core 6 returns to pass through the second clamping groove 51, the first clamping groove 62 hooks the second suture, at the moment, the front gun handle 1 and the rear gun handle 2 are tightly held, the needle core 6 drives the second suture to pass through tissues, the second thread passing is completed, then the front gun handle 1 and the rear gun handle 2 are loosened, the needle core 6 returns, the second suture is pulled out of the first clamping groove 62, the first suture and the second suture are clamped between the thread passing window 541 and the window leaf 542, the thread grasping forceps head takes the two suture heads to move out simultaneously, and then the two sutures are knotted to fix the tissues.

Referring to fig. 1-2, the instrument for rotator cuff repair surgery further includes a third spring 74, two ends of the third spring 74 are respectively connected to the limiting block 7 and the rear gun handle 2, the third spring 74 is located above the limiting block 7, and the third spring 74 applies an upward force to one end of the limiting block 7 close to the rear gun handle 2, so that one end of the limiting block 7 close to the front gun handle 1 is subjected to a downward force, and when the rear gun handle 2 is lightly pushed, the positioning line automatically falls into the limiting step 73 after being released.

Be equipped with first locking piece 12 on preceding stock 1, be equipped with second locking piece 32 on handle 3, be equipped with the locking claw on the first locking piece 12, be equipped with the locking tooth on the second locking piece 32, the locking claw is used for spacing of handle 3 with the locking tooth cooperation, is equipped with fourth spring 9 between handle 3 and the preceding stock 1, and fourth spring 9 is used for reseing of handle 3. The handle 3 is gripped, when the handle 3 is matched with the locking teeth for limiting through the locking claws, the grabbing clamp head 5 cannot be opened or closed, the grabbing clamp head 5 can clamp tissues and cannot move, and at the moment, the fourth spring 9 is stressed to elastically deform; the handle 3 is pushed, so that the locking teeth are separated from the locking claws, and the fourth spring 9 loses force and restores the original state, so that the handle 3 is driven to be automatically opened.

Referring to fig. 7, the stylet 6 includes a limiting portion 63, a hard needle portion 64 and a soft needle portion 65, which are sequentially disposed, the limiting portion 63 is installed in the installation groove 21, the hard needle portion 64 and the soft needle portion 65 are inserted into the connecting rod 4, the soft needle portion 65 can elastically deform and move in the thread passage 52, and the service life of the stylet 6 is ensured.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (10)

1. An instrument for rotator cuff repair surgery is characterized by comprising a front gun handle, a rear gun handle, a connecting rod, a grabbing clamp head and a needle core, wherein the front gun handle is provided with an installation cavity, one end of the connecting rod is arranged in the installation cavity, the connecting rod is of a hollow structure and is communicated with the installation cavity, the upper end of the handle is hinged with the front gun handle and is connected with the connecting rod, the grabbing clamp head is arranged at the other end of the connecting rod, the connecting rod is linked with the handle to control the grabbing clamp head to open or close, the front gun handle is movably connected with the rear gun handle, the rear gun handle is provided with an installation groove, one end of the needle core is arranged in the installation groove, the other end of the needle core penetrates through the installation cavity to be inserted into the connecting rod, the needle core can move along the length direction of the connecting rod, the end part of the other end of the needle core is provided with a needle head and a first clamping groove for hooking threads, the grasping forceps head is provided with a second clamping groove and a thread passing channel, the second clamping groove is used for clamping a suture, the thread passing channel is communicated with the inside of the connecting rod and the second clamping groove, the rear gun handle controls the needle core to extend out or retract into the grasping forceps head, and then the suture clamped in the second clamping groove is driven to move in the thread passing channel.

2. The apparatus according to claim 1, wherein the grasping forceps head comprises a fixed forceps head and a movable forceps head, the fixed forceps head is hinged to the movable forceps head, the wire passage and the second slot are both disposed on the fixed forceps head, the movable forceps head is provided with a wire passage window, a window leaf and a first spring, the wire passage window is opposite to the wire passage, the window leaf is hinged to the movable forceps head through a pin, the first spring is sleeved on the pin, and two ends of the first spring respectively abut against the window leaf and the movable forceps head.

3. The apparatus for rotator cuff repair surgery of claim 2, wherein the fixed tong head, the movable tong head and the louver are provided with anti-slip teeth thereon.

4. The instrument for rotator cuff repair surgery according to claim 2, wherein the connecting rod comprises an inner rod and an outer rod, the inner rod and the outer rod are both hollow structures, the outer rod is sleeved outside the inner rod, the inner rod can move along the length direction of the outer rod, the fixed forceps head is fixedly arranged on the outer rod, the movable forceps head is movably connected with the inner rod, the outer rod is arranged on the front gun handle, the inner rod is provided with a groove, the handle is provided with a protrusion, the protrusion is clamped in the groove, and the inner rod is driven by the handle to move so as to drive the movable forceps head to move.

5. The apparatus according to claim 1 or 2, wherein the rear handle is S-shaped, the lower end of the rear handle is hinged to the lower end of the front handle, the upper end of the rear handle is spaced from the upper end of the front handle, the middle of the rear handle and the middle of the front handle are connected to a limiting block, one end of the limiting block is fixed to the rear handle, the other end of the limiting block is provided with a limiting hole, the front handle is provided with a positioning pin, the positioning pin is matched with the limiting hole, the other end of the limiting block is fixed to the front handle, and the limiting hole is elongated and is arranged along the length direction of the limiting block.

6. The apparatus for rotator cuff repair surgery of claim 5, further comprising a second spring having both ends connected to the rear pistol grip and the front pistol grip, respectively, for repositioning of the rear pistol grip.

7. The apparatus for rotator cuff repair surgery of claim 5, wherein a limiting step is provided on a sidewall of the limiting hole for limiting the positioning pin.

8. The apparatus for rotator cuff repair surgery of claim 7, further comprising a third spring, wherein two ends of the third spring are respectively connected to the limiting block and the rear gun handle, and the third spring is located above the limiting block.

9. The apparatus for rotator cuff repair surgery according to claim 1, wherein a first locking block is provided on the front gun handle, a second locking block is provided on the handle, a locking claw is provided on the first locking block, a locking tooth is provided on the second locking block, the locking claw and the locking tooth are matched for limiting the handle, and a fourth spring is provided between the handle and the front gun handle and used for resetting the handle.

10. The apparatus for rotator cuff repair surgery according to claim 1, wherein the needle core includes a position-limiting portion, a hard needle portion and a soft needle portion, which are sequentially disposed, the position-limiting portion is installed in the installation groove, the hard needle portion and the soft needle portion are inserted into the connecting rod, and the soft needle portion is elastically deformable and movable in the wire passage.

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