CN219089439U

CN219089439U - Meniscus suturing system

Info

Publication number: CN219089439U
Application number: CN202320303703.6U
Authority: CN
Inventors: 孔庆俊; 高腾; 黎建波; 李梦培
Original assignee: Unitech Chongqing Medical Technology Co ltd
Current assignee: Unitech Chongqing Medical Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-05-30
Anticipated expiration: 2033-02-23

Abstract

The application relates to a meniscus sewing system relates to the field of meniscus sewing technology, including the handle, install needle bar on the handle, coaxial cover locates the scale pipe of needle bar, adjust pipe and regulation lantern ring, adjust the pipe setting in the one end of handle installation needle bar, be provided with in the regulation pipe along the gliding locating piece of axis direction of needle bar, locating piece and scale union coupling, adjust the lantern ring rotation cover and locate and adjust the pipe and be connected with the locating piece, be provided with between regulation lantern ring and the locating piece and be used for making the regulation lantern ring rotate and drive the gliding driving medium of locating piece simultaneously. According to the needle rod positioning device, the driving piece drives the scale tube to move together along the direction close to the head end of the needle rod through the positioning block by rotating the adjusting sleeve ring, so that the scale tube is positioned. Compared with the prior art, the staff gauge tube moving device has the advantages that the staff gauge tube moving is more labor-saving through friction force, so that the moving difficulty of the staff gauge tube is reduced, and the efficiency and the success rate of meniscus suture operation are improved.

Description

Meniscus suturing system

Technical Field

The present application relates to the field of meniscal suturing technology, and in particular to a meniscal suturing system.

Background

The meniscus is a half-moon-shaped cartilage-like tissue located between two major bones of the knee joint (femur and tibia) and can alleviate the injury caused by impact on articular cartilage. With the improvement of living standard, people have higher enthusiasm for exercise, and meniscus injury events caused by exercise are more and more common.

The utility model discloses a need suture repair after the meniscus damage, traditional meniscus sewing system mainly includes the handle, installs the needle bar on the handle, sets up implant, coaxial cover of needle bar establish the scale pipe of needle bar and adjust the locating piece of scale pipe position in the needle bar syringe needle. Before the meniscus is sutured, the staff gauge tube is required to be positioned, the puncture depth of the needle rod is required to be measured firstly during positioning, and then the position of the staff gauge tube is adjusted by pushing the positioning block, so that the length of the needle head part of the needle rod outside the staff gauge tube is the puncture depth required by the needle rod, and the meniscus is conveniently punctured by the subsequent needle rod and the implant is sutured.

When the scale tube is positioned, the positioning block usually needs to press the scale tube first and then push the scale tube along the axial direction of the needle bar, and the scale tube moves along with the positioning block by friction force between the scale tube and the positioning block so as to adjust the position of the scale tube. However, when the pressing force of the positioning block on the scale tube is too large, the friction force between the positioning block and the scale tube is too large, so that the scale tube is difficult to move or cannot move, the operation is likely to fail, and the efficiency and the success rate of the meniscus suture operation are reduced.

Disclosure of Invention

In order to improve the situation of difficult movement during scale tube positioning and improve the efficiency and success rate of meniscus suture operation, the application provides a meniscus suture system.

The application provides a meniscus suture system adopts following technical scheme:

the utility model provides a meniscus sewing system, includes the handle, installs needle bar on the handle, coaxial cover locate the scale pipe of needle bar, adjusts pipe and regulation lantern ring, it sets up in the one end of handle installation needle bar to adjust the pipe, be provided with the gliding locating piece of axis direction along the needle bar in the regulation pipe, the locating piece is connected with the scale pipe, adjust the lantern ring and rotate the cover and locate and adjust the pipe and with locating piece connection, be provided with between regulation lantern ring and the locating piece and be used for making to adjust the lantern ring rotation and drive the gliding driving medium of locating piece simultaneously.

Through adopting above-mentioned technical scheme, when fixing a position the scale pipe, rotate and adjust the lantern ring, can drive the locating piece through the driving medium and slide along the axis direction of needle bar, when the outside length of needle bar head end in the scale pipe is longer than the required puncture degree of depth of needle bar, forward rotation adjusts the lantern ring, because locating piece and scale union coupling, drive the scale pipe through the locating piece and remove along the direction that is close to the needle bar head end to the realization is to the location of scale pipe. According to the axial thrust force application device, the collar is adjusted through radial rotation, so that the positioning block is driven to apply axial thrust force to the scale tube, compared with the prior art, the axial thrust force application device is more labor-saving in the process of realizing movement of the scale tube through friction force, so that the movement difficulty of the scale tube is reduced, and the efficiency and the success rate of meniscus suture operation are improved.

Optionally, the driving medium includes first regulation slider, the epaxial regulation spout that supplies first regulation slider to slide has been seted up along the axis direction of needle bar to the regulation pipe, first regulation slider and locating piece fixed connection, first regulation slider and regulation lantern ring threaded connection.

Through adopting above-mentioned technical scheme, when the forward rotation adjusts the lantern ring, because adjust lantern ring and first regulation slider threaded connection, under the unchangeable circumstances of adjusting lantern ring self axial position, first regulation slider can drive the locating piece and remove along the axis direction of needle bar for the locating piece drives the scale pipe and is close to the effect that the needle bar head end removed. And compared with the prior art that the locating piece adopts the fixed mode of fixed point, thereby this application adopts the mode of adjusting lantern ring screw thread rotation regulation reinforcing locating piece displacement's precision to increase the positioning accuracy of scale pipe.

Optionally, a limiting block for limiting the position of the adjusting lantern ring is arranged on the adjusting catheter, and the limiting block is abutted with the end face, opposite to the handle, of the adjusting lantern ring.

Through adopting above-mentioned technical scheme, limit the position of adjusting the lantern ring through the stopper to prevent as far as possible that the lantern ring from being adjusted along the direction that is close to the handle and slide, thereby limit the axial position of adjusting the lantern ring.

Optionally, the driving medium is including setting up the second regulation slider on the locating piece, set up the gliding regulation spout of confession second regulation slider along the axis direction of needle bar on the regulation pipe, adjust lantern ring and regulation pipe threaded connection, coaxial offer confession second regulation slider slip male drive ring groove on the inner peripheral wall of adjusting the lantern ring.

Through adopting above-mentioned technical scheme, when forward rotation regulation lantern ring, the direction that the limit rotation border of regulation lantern ring is close to the needle bar head end removes, realizes the second through the drive ring groove and adjusts the connection of lantern ring to make the regulation lantern ring drive the second and adjust the slider and together remove along the direction that is close to the needle bar head end, thereby realize that the locating piece drives the effect that the scale pipe removed, for adjusting lantern ring and first regulation slider threaded connection, adjust the lantern ring and adjust the definition that pipe threaded connection can further strengthen adjusting lantern ring self axial position.

Optionally, a mounting chute for the second adjusting slide block to slide and insert along the radial direction of the needle bar is formed on the positioning block, and a mounting spring is connected between the bottom of the mounting chute and the second adjusting slide block.

Through adopting above-mentioned technical scheme, make the second adjust the slider through the installation spring and can slide in the installation spout to the second adjusts the slider and inserts the drive annular and be connected with adjusting the lantern ring, realizes that the second adjusts the slider and adjusts the detachable of lantern ring and connect.

Optionally, the installation inclined plane has been seted up to regulation lantern ring one end that deviates from the handle, the installation inclined plane is along being close to the direction of regulation lantern ring axis and gradually towards handle department slope.

Through adopting above-mentioned technical scheme, when equipment regulation lantern ring and regulation pipe, can make the in-process that adjusts the lantern ring and adjust the pipe and be connected through the installation inclined plane promote the regulation slider and slide along the direction that is close to the needle bar axis for the regulation slider can slide into the drive ring groove and be connected with the regulation lantern ring.

Optionally, the positioning block is provided with a connecting pipe coaxially inserted into the scale pipe, the connecting pipe is fixedly connected with the scale pipe, the positioning block is provided with a through hole communicated with the connecting pipe, and the needle rod penetrates through the through hole and the connecting pipe.

Through adopting above-mentioned technical scheme, through connecting pipe and scale pipe fixed connection for the locating piece can drive scale pipe adjustment self position along the axis direction of scale pipe, compares in prior art and applys the produced frictional force of radial clamp force to the scale pipe and in order to fix a position the mode of scale pipe, this application is more laborsaving.

Optionally, the terminal surface that the regulation pipe deviates from the handle is provided with the anticreep dog, the terminal surface butt that the anticreep dog deviates from the handle with the regulation lantern ring.

Through adopting above-mentioned technical scheme, can further prescribe a limit to through the axial position of anticreep dog adjusting the lantern ring to reduce the probability that the lantern ring breaks away from the adjusting catheter.

Optionally, a support sleeve is arranged in the handle, and one end of the adjusting catheter, which is opposite to the handle, is inserted into the support sleeve in a sliding manner and is clamped with the support sleeve.

Through adopting above-mentioned technical scheme, on the one hand, support sleeve can support the regulation pipe, on the other hand through support sleeve and regulation pipe joint to the equipment of whole meniscus sewing system of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through rotating the adjusting lantern ring, the transmission piece drives the scale tube to move together along the direction close to the head end of the needle bar through the positioning block, so that the scale tube is positioned. Compared with the prior art, the staff gauge tube moving is more labor-saving through friction force, so that the moving difficulty of the staff gauge tube is reduced, and the efficiency and the success rate of meniscus suture operation are improved;

2. the adjusting lantern ring is in threaded connection with the first adjusting slide block, so that the adjusting lantern ring can rotate positively under the condition that the axial position of the adjusting lantern ring is unchanged, and the positioning block can be driven to slide along the direction close to the head end of the needle bar, thereby realizing the effect that the positioning block drives the scale tube to move, and simultaneously increasing the positioning precision of the scale tube;

3. because the adjusting lantern ring is in threaded connection with the adjusting guide pipe, the adjusting lantern ring can drive the second adjusting slide block to move along the direction close to the head end of the needle bar through the driving ring groove in the forward direction, so that the effect that the positioning block drives the scale pipe to move is achieved, and the limitation on the axial position of the adjusting lantern ring is further enhanced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a portion of a meniscal suturing system of example 1 of the present application.

Fig. 3 is a schematic diagram showing the connection of the adjusting collar and the adjusting slider in embodiment 1 of the present application.

Fig. 4 is an exploded view of a first connection of the conditioning catheter and support sleeve of example 1 of the present application.

Fig. 5 is an exploded view of a second connection of the conditioning catheter and support sleeve of example 1 of the present application.

Fig. 6 is a schematic illustration of the connection of the adjustment collar and the adjustment catheter in example 2 of the present application.

Fig. 7 is a schematic view showing the connection of the adjusting collar and the adjusting slider in embodiment 2 of the present application.

In the figure: 1. a handle; 2. a needle bar; 3. a scale tube; 4. adjusting the catheter; 41. adjusting the chute; 5. adjusting the collar; 51. driving the ring groove; 52. a mounting inclined plane; 6. a positioning block; 61. installing a chute; 62. a through hole; 7. a transmission member; 71. a first adjustment slide; 72. a second adjustment slider; 73. installing a spring; 8. a limiting block; 9. a connecting pipe; 10. an anti-drop stop; 11. a support sleeve; 12. and a clamping block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

Example 1

Embodiment 1 of the present application discloses a meniscus suture system. Referring to fig. 1 and 2, the meniscus suture system includes a handle 1 and a needle bar 2 mounted on the handle, and a scale tube 3 coaxially sleeved on the needle bar 2 and movable in the axial direction of the needle bar 2. One end of the scale tube 3, which is close to the handle, is connected with a positioning block 6, and the scale tube 3 can be driven to move along the direction close to or far away from the head end of the needle rod 2 by driving the positioning block 6.

Referring to fig. 2 and 3, a support sleeve 11 is arranged in the handle 1, an adjusting catheter 4 is arranged on the support sleeve 11, the adjusting catheter 4 is coaxially sleeved on the needle bar 2, and an adjusting sleeve ring 5 is coaxially sleeved on the adjusting catheter 4 in a rotating manner.

As shown in fig. 3 and 4, a transmission member 7 is connected between the adjusting collar 5 and the positioning block 6. When the adjusting collar 5 rotates, the driving piece 7 can drive the positioning block 6 and the scale tube 3 to move along the axial direction of the needle bar 2.

Furthermore, as shown in fig. 3 and 4, the transmission member 7 includes a first adjustment slider 71. The first adjusting slide block 71 is fixedly connected with the positioning block 6, an adjusting slide groove 41 for the first adjusting slide block 71 to slide is formed in the adjusting guide pipe 4 along the axial direction of the needle bar 2, and the first adjusting slide block 71 is positioned in the adjusting slide groove 41 and penetrates through the adjusting slide groove 41 to be in threaded connection with the adjusting lantern ring 5.

When the scale tube 3 is required to move along the direction close to the head end of the needle bar 2, the adjusting sleeve ring 5 is rotated positively, and the first adjusting slide block 71 is connected with the adjusting sleeve ring 5 in a threaded manner so as to drive the positioning block 6 to slide towards the head end of the needle bar 2 along the axial direction of the needle bar 2, so that the scale tube 3 is positioned.

Compared with the prior art, the method for positioning the scale tube 3 by adopting friction force is more labor-saving, so that the moving difficulty of the scale tube 3 is reduced. Simultaneously, the application adopts screw thread rotation to adjust the travel distance of scale pipe 3, and for the fixed point of locating piece 6 removes among the prior art, the travel distance of scale pipe 3 can further be accurate to this application to increase the positioning accuracy of scale pipe 3, improve meniscus suture operation's efficiency and success rate.

Referring to fig. 4 and 5, a connection pipe 9 coaxially inserted into the scale pipe 3 is provided to the positioning block 6. The connecting pipe 9 is fixedly connected with the scale pipe 3, so that the positioning block 6 and the scale pipe 3 are fixedly connected. Meanwhile, the positioning block 6 is provided with a through hole 62 communicated with the connecting pipe 9, and the needle bar 2 passes through the through hole 62 and the connecting pipe 9 so as to push the scale pipe 3 along the axis direction of the scale pipe 3 to adjust the position of the scale pipe 3.

In order to define the axial position of the adjusting collar 5, referring to fig. 2 and 3, on the one hand, a stopper 8 is provided on the adjusting duct 4 near the handle 1, and the stopper 8 abuts against the end face of the adjusting collar 5 near the handle 1. On the other hand, the end face of the adjusting catheter 4 facing away from the handle 1 is provided with an anti-drop stop 10. The anti-drop stop 10 is abutted against the end face of the adjusting lantern ring 5, which is away from the handle 1. The axial position of the adjusting collar 5 is limited by the limiting block 8 and the anti-falling stop block 10, so that the adjusting collar 5 can only rotate around the axis of the adjusting collar.

In order to facilitate assembling the meniscus suture system, referring to fig. 3 and 4, one end of the adjusting catheter 4, which is opposite to the handle 1, is slidably inserted into the supporting sleeve 11 and is clamped with the supporting sleeve 11, the adjusting catheter 4 is provided with a clamping block 12 made of elastic materials, and the inner peripheral wall of the supporting sleeve 11 is provided with a clamping groove clamped with the clamping block 12. The limiting block 8 is fixedly arranged on the end face of the supporting sleeve 11, which is opposite to the head end of the needle rod 2. When the suture system is assembled, after the adjusting collar 5 is installed on the adjusting catheter 4, the adjusting catheter 4 is inserted into the supporting sleeve 11, and when the clamping block 12 is slidably inserted into the clamping groove, the limiting block 8 is abutted with the adjusting collar 5.

The implementation principle of the meniscus suture system of the embodiment 1 of the application is as follows: when the length that needle bar 2 head end is located the outside of scale pipe 3 is longer than the required puncture degree of needle bar 2, forward rotation adjusts lantern ring 5, through adjusting lantern ring 5 and first regulation slider 71 threaded connection, first regulation slider 71 drives locating piece 6 and removes along the axis direction of needle bar 2, locating piece 6 promotes scale pipe 3 and removes along the direction that is close to needle bar 2 head end, until the length that needle bar 2 head end is located the outside of scale pipe 3 is the required puncture degree of needle bar 2, finally reduced the removal degree of difficulty of scale pipe 3, efficiency and the success rate of meniscus sewing operation are improved.

Example 2

Embodiment 2 of the present application differs from embodiment 1 in that, with reference to fig. 6 and 7, the transmission member 7 includes a second adjustment slider 72. The positioning block 6 is provided with a mounting chute 61 for the second adjusting slide block 72 to slide and insert along the radial direction of the needle bar 2, and a mounting spring 73 is connected between the bottom of the mounting chute 61 and the second adjusting slide block 72. The adjusting guide tube 4 is provided with an adjusting chute 41 for sliding the second adjusting slider 72 along the axial direction of the needle bar 2. The adjusting collar 5 is in threaded connection with the adjusting conduit 4. The inner peripheral wall of the adjusting collar 5 is coaxially provided with a driving ring groove 51 into which the second adjusting slider 72 is slidably inserted.

When the adjusting sleeve ring 5 is rotated positively, the adjusting sleeve ring 5 moves along the direction of being close to the head end of the needle bar 2 while rotating, so as to drive the second adjusting slide block 72 to move along the direction of being close to the head end of the needle bar 2 together, thereby realizing the effect that the positioning block 6 drives the scale tube 3 to move, and the limiting of the axial position of the adjusting sleeve ring 5 can be further enhanced by the threaded connection of the adjusting sleeve ring 5 and the adjusting guide tube 4 relative to the threaded connection of the adjusting sleeve ring 5 and the second adjusting slide block 72.

In order to facilitate the assembly of the adjusting collar 5 and the second adjusting slide 72, as shown in fig. 7, the end of the adjusting collar 5 facing away from the handle 1 is provided with a mounting inclined surface 52, and the mounting inclined surface 52 gradually inclines towards the handle 1 along the direction approaching the axis of the adjusting collar 5. The second adjusting slide 72 can be abutted against the second adjusting slide 72 and pushed to slide along the direction close to the axis of the needle bar 2 in the process of connecting the adjusting collar 5 with the adjusting guide tube 4 through the mounting inclined surface 52 until the driving annular groove 51 is communicated with the adjusting slide groove 41, and the second adjusting slide 72 slides into the driving annular groove 51 to realize the connection of the second adjusting slide 72 and the adjusting collar 5.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a meniscus sewing system, includes handle (1), installs needle bar (2) and coaxial cover on handle (1) and locates scale pipe (3) of needle bar (2), its characterized in that: still including adjusting pipe (4) and adjusting lantern ring (5), adjusting pipe (4) set up in the one end of handle (1) installation needle bar (2), be provided with in adjusting pipe (4) along gliding locating piece (6) of axis direction of needle bar (2), locating piece (6) are connected with scale pipe (3), adjusting lantern ring (5) rotate the cover and locate adjusting pipe (4) and be connected with locating piece (6), be provided with between adjusting lantern ring (5) and locating piece (6) and be used for making adjusting lantern ring (5) rotate and drive locating piece (6) gliding driving medium (7) simultaneously.

2. A meniscal suturing system as set forth in claim 1 wherein: the transmission piece (7) comprises a first adjusting slide block (71), an adjusting slide groove (41) for the first adjusting slide block (71) to slide is formed in the adjusting guide pipe (4) along the axial direction of the needle bar (2), the first adjusting slide block (71) is fixedly connected with the positioning block (6), and the first adjusting slide block (71) is in threaded connection with the adjusting sleeve ring (5).

3. A meniscal suturing system as set forth in claim 2 wherein: the adjusting catheter (4) is provided with a limiting block (8) for limiting the position of the adjusting lantern ring (5), and the limiting block (8) is abutted with the end face, opposite to the handle (1), of the adjusting lantern ring (5).

4. A meniscal suturing system as set forth in claim 1 wherein: the transmission piece (7) comprises a second adjusting slide block (72) arranged on the positioning block (6), an adjusting slide groove (41) for the second adjusting slide block (72) to slide is formed in the adjusting guide pipe (4) along the axial direction of the needle bar (2), the adjusting lantern ring (5) is in threaded connection with the adjusting guide pipe (4), and a driving ring groove (51) for the second adjusting slide block (72) to slide and insert is coaxially formed in the inner peripheral wall of the adjusting lantern ring (5).

5. The meniscus suturing system of claim 4, wherein: the positioning block (6) is provided with a mounting chute (61) for the second adjusting slide block (72) to slide and insert along the radial direction of the needle bar (2), and a mounting spring (73) is connected between the bottom of the mounting chute (61) and the second adjusting slide block (72).

6. The meniscus suturing system of claim 5, wherein: one end of the adjusting lantern ring (5) deviating from the handle (1) is provided with an installation inclined surface (52), and the installation inclined surface (52) gradually inclines towards the handle (1) along the direction close to the axis of the adjusting lantern ring (5).

7. The meniscus suture system of any one of claims 1-6, wherein: the positioning block (6) is provided with a connecting pipe (9) coaxially inserted into the scale pipe (3), the connecting pipe (9) is fixedly connected with the scale pipe (3), the positioning block (6) is provided with a through hole (62) communicated with the connecting pipe (9), and the needle bar (2) passes through the through hole (62) and the connecting pipe (9).

8. The meniscus suture system of any one of claims 1-6, wherein: the end face of the adjusting guide pipe (4) deviating from the handle (1) is provided with an anti-falling stop block (10), and the anti-falling stop block (10) is abutted with the end face of the adjusting sleeve ring (5) deviating from the handle (1).

9. The meniscus suture system of any one of claims 1-6, wherein: the handle (1) is internally provided with a support sleeve (11), and one end of the adjusting catheter (4) right opposite to the handle (1) is inserted into the support sleeve (11) in a sliding manner and is clamped with the support sleeve (11).