CN214549491U

CN214549491U - Anchor pre-positioning device and anchor inserting device using same

Info

Publication number: CN214549491U
Application number: CN202022438724.8U
Authority: CN
Inventors: 史春宝; 付中国; 李红霞; 吴增光
Original assignee: Beijing Chunlizhengda Medical Instruments Co Ltd
Current assignee: Beijing Chunlizhengda Medical Instruments Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-11-02
Anticipated expiration: 2030-10-27

Abstract

The utility model belongs to the technical field of medical instrument, a ground nail prepositioning device and applied its ground nail insertion device is disclosed. The anchor pre-positioning device comprises a platform for pre-positioning a plurality of anchors and a guide pipe vertically connected with the platform. Wherein, be formed with on the platform and insert the through-hole and be located a plurality of storage tanks around inserting the through-hole, insert the through-hole and communicate with the stand pipe, and the axis that inserts the through-hole coincides with the axis of stand pipe. The utility model discloses an anchor pre-positioning device can reduce the operation step when planting many anchors to can furthest reduce the operation degree of difficulty, reduce the operation time.

Description

Anchor pre-positioning device and anchor inserting device using same

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to anchor nail prepositioning device and use its anchor nail insertion device.

Background

Suture anchors are commonly used implantation instruments in athletic medical orthopedic procedures. There are several use problems common in existing surgery:

1) the single anchor has poor fixing effect and cannot meet the fixing strength required by the operation;

2) although better fixing effect can be achieved by adopting a plurality of anchors, the suture lines of the plurality of anchors are easy to be disordered due to the fact that the anchors need to be knotted for fixing, and the operation process is complicated, so that the operation time is long.

In order to simplify the operation process and reduce the operation difficulty, a plurality of knotting-free anchor bolts are generally adopted at present, but after the first knotting-free anchor bolt is implanted, a suture needs to be threaded into the next knotting-free anchor bolt, so that the operation steps are increased undoubtedly, the operation difficulty cannot be reduced to the maximum extent, and the operation time is shortened.

SUMMERY OF THE UTILITY MODEL

In order to reduce the operation step when planting many anchors to furthest reduces the operation degree of difficulty, reduces operation time, the utility model provides an anchor pre-positioning device and use its anchor insertion device.

According to the utility model discloses an aspect provides an anchor pre-positioning device, including the platform that is used for a plurality of anchor bolts of pre-positioning and the stand pipe that links to each other perpendicularly with the platform, wherein, be formed with on the platform and insert the through-hole and be located a plurality of storage tanks around inserting the through-hole, insert through-hole and stand pipe intercommunication, and the axis that just inserts the through-hole coincides with the axis of stand pipe.

Furthermore, the anchor pre-positioning device also comprises a plurality of anchors which are respectively and correspondingly arranged in the accommodating grooves and sutures which sequentially penetrate through the anchors.

Further, each anchor and corresponding storage tank form interference fit.

Further, each anchor nail is clamped and positioned in the corresponding accommodating groove.

Furthermore, the inserting end of the anchor is detachably connected with a magnetic part made of a magnetic material, and a ferrous part made of a ferrous material and matched with the magnetic part is formed in the accommodating groove.

Further, the magnetic component is configured as a magnetic cap that is threadedly connected with the external thread of the insertion end of the anchor; the ferrous component is configured as a ferrous coating formed within the receiving slot.

Further, the inserting end of the anchor is detachably connected with a magnetic component made of a magnetic material, and the platform is made of a ferrous material.

Furthermore, a wiring groove which is sequentially communicated with the containing grooves is formed on the platform, and two ends of the wiring groove respectively extend out of the edge of the platform.

Furthermore, a limiting groove is formed in the platform, the insertion through hole is located in the limiting groove, and each accommodating groove and each wiring groove are located on the platform outside the limiting groove.

According to a second aspect of the present invention, an anchor inserting device is provided, comprising an inserting handle and an inserting rod coaxially connected with the inserting handle, and the above-mentioned anchor pre-positioning device, wherein the inserting rod can be inserted into and extend out of the inserting tube.

Further, the outer diameter of the insertion handle is the same as the inner diameter of the limiting groove on the platform.

According to a third aspect of the present invention, there is also provided a method of pre-implanting an anchor, comprising: the preparation method comprises the following steps: at least two anchor bolts are respectively arranged in the accommodating groove of the anchor bolt pre-positioning device, wherein the anchor bolts are connected in series through a suture.

Further, the method of anchor pre-implantation may further comprise: an implantation step: and taking off one anchor, implanting the anchor into one bone pore canal on the surface of the human bone by using the anchor inserting device, and repeating the steps in sequence until the anchor is taken out, or repeating the steps in sequence until the number of the anchors 3 implanted into the human body meets the fixing requirement.

The utility model discloses a penetrate the suture and prepositioned on the platform in advance with many anchor bolts, compared with the threading step that needs to be added once when implanting each anchor bolt respectively in the prior art, the utility model discloses an anchor bolt prepositioning device has saved the step of threading to the anchor bolt many times in the operation process, and this not only can realize the continuous convenient implantation of many anchor bolts to greatly simplify the operation step, promoted the convenience of operation; still make operating personnel can take each anchor in order and implant in order, because when taking an anchor and implant, other anchors can not receive the influence, and other anchors still keep its inherent position promptly, therefore do not influence each other between each anchor in this application to operation efficiency has been promoted. In addition, the arrangement of a plurality of storage tanks makes anchor pre-positioning device can pre-position many anchors, and many anchors can satisfy the required fixed strength of different operations, thereby effectively avoids leading to the risk of operation failure because of adopting less anchor fixing to become invalid.

Drawings

Fig. 1 is a perspective view of the structure of an anchor pre-positioning device according to an embodiment of the present invention;

FIG. 2 is a left side view of the anchor pre-positioning device shown in FIG. 1;

fig. 3 is a schematic structural view of an anchor insertion device according to an embodiment of the present invention;

fig. 4 is a schematic view that anchor insertion device according to the utility model discloses an anchor pre-positioning device cooperation that is used according to the utility model discloses an anchor.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 illustrate the structure of an anchor pre-positioning device 100 according to an embodiment of the present invention. As shown in fig. 4, the anchor pre-positioning device 100 includes a platform 1 for pre-positioning a plurality of anchors 3 and a guide tube 2 vertically connected to the platform 1. Wherein, the platform 1 is formed with an insertion through hole 11 and a plurality of receiving grooves 12 located around the insertion through hole 11, the insertion through hole 11 is communicated with the guide tube 2, and the axis of the insertion through hole 11 coincides with the axis of the guide tube 2.

The anchor pre-positioning device 100 of the present invention is used in conjunction with the anchor insertion device 200 shown in fig. 3 and drawings. The following description will be made by taking an example of sequentially implanting three anchor bolts 3 into the surface of a bone of a human body. Referring to fig. 4, a suture 4 may be first sequentially passed through the three anchor bolts 3 to connect the three anchor bolts 3 in series, and then the three anchor bolts are respectively placed in the accommodating grooves 12 on the platform 1 as preparation for operation; then, three bone tunnels (not shown in the figure) are opened on the surface of the human bone, when one of the three anchors 3 needs to be implanted into one of the bone tunnels, the guide tube 2 of the anchor pre-positioning device 100 is firstly inserted into the bone tunnel, then the first anchor 3 on the platform 1 is taken down and matched with the tail end of the insertion rod 220 of the anchor insertion device 200, and then the purpose of implanting the anchor 3 into the bone tunnel is realized by inserting the insertion rod 220 into the guide tube 2. In the process, as the first anchor 3 drives one end of the suture to enter the bone tunnel together, the suture in the other two anchors 3 also moves correspondingly, but the movement does not cause the positions of the other two anchors 3 to change, namely the other two anchors 3 are always positioned in the corresponding accommodating grooves 12. After the first anchor 3 is implanted into the corresponding bone tunnel, the insertion rod 220 of the anchor inserter 200 may be moved out of the guiding tube 2, and then the guiding tube 2 is moved to be aligned with the next bone tunnel, and the next anchor 3 is removed from the platform 1, and then the anchor inserter 200 is continuously used to implant the anchor 3 into the bone tunnel; the implantation of the third anchor stud 3 is the same as the two anchor studs 3 described above and will not be described in detail here.

The utility model discloses a penetrate the suture and prepositioned on platform 1 in advance with many anchor nails 3, compared with the threading step that need increase once respectively when each anchor nail is planted among the prior art, the utility model discloses an anchor nail prepositioning device 100 has saved the step of threading many times to the anchor nail in the operation process, and this not only can realize the continuous convenient implantation of many anchor nails 3 to greatly simplify the operation step, promoted the convenience of operation; still make operating personnel can take each anchor 3 in order and implant in order, because when taking an anchor 3 and implant, other anchor 3 can not receive the influence, and other anchor 3 still keep its inherent position promptly, consequently do not influence each other between each anchor 3 in this application to operation efficiency has been promoted. In addition, the arrangement of the accommodating grooves 12 enables the anchor pre-positioning device 100 to pre-position a plurality of anchors 3, and the plurality of anchors 3 can meet the fixing strength required by the operation, so that the risk of operation failure caused by less anchor fixing failure is effectively avoided.

It should be noted that the specific number of the receiving grooves 12 may be specifically set according to different types of surgeries, and the number is not specifically limited herein. In addition, the accommodating groove 12 may be provided as much as possible, and only a part of the accommodating groove may be used for accommodating the anchor 3 in actual use.

According to the present invention, as shown in fig. 4, the anchor pre-positioning device 100 further includes a plurality of anchors 3 respectively corresponding to the respective accommodating grooves 12 and sutures 4 sequentially passing through the respective anchors 3. The matching mode of the anchor 3 and the accommodating groove 12 can be in various forms.

In a preferred embodiment, each anchor 3 may be positioned in the receiving groove 12 by forming an interference fit with the corresponding receiving groove 12 to locate the anchor 3 in the receiving groove 12.

In another preferred embodiment, each anchor 3 can also be positioned in the corresponding receiving slot 12 by means of a snap-fit arrangement.

In a further preferred embodiment, a magnetic member made of a magnetic material may be detachably attached to the insertion end of the anchor 3, and a ferrous member made of a ferrous material cooperating with the magnetic member is formed in the accommodating groove. That is, the anchor 3 may be magnetically positioned in the accommodating groove 12. By arranging the magnetic component to be detachably connected with the insertion end of the anchor 3, the magnetic component can be removed before the anchor 3 is implanted, and the magnetic component is prevented from entering the bone duct of the human body and causing injury to the human body.

Preferably, the magnetic means may be configured as a magnetic cap threadedly connected with the external thread of the insertion end of the anchor 3; the ferrous component is configured as a ferrous coating formed within the receiving groove 12. The magnetic cap and the inserting end of the anchor 3 are connected in a threaded connection mode, the original threaded structure of the anchor 3 can be fully utilized, and therefore production and design cost can be effectively saved. Further preferably, in order to further save the production and design costs, a magnetic cap can be arranged to be tightly sleeved on the external thread of the insertion end of the anchor bolt 3, and the magnetic cap can be directly pulled out when the magnetic cap is used.

In another preferred embodiment, the insertion end of the anchor 3 is detachably connected with a magnetic component made of a magnetic material, and the platform 1 is made of a ferrous material. By making the entirety of the platform 1 of a ferrous material, a separate design of the accommodating groove 12 can be omitted, and when the operator takes the anchor 3 and inadvertently drops, the platform 1 helps to catch the dropped anchor 3, and thus prevents the anchor 3 from being detached from the suture.

According to the utility model discloses, as shown in fig. 1 and fig. 2, still can be formed with the trough 14 that communicates each storage tank 12 in proper order on the platform 1, the edge of platform 1 is extended respectively at the both ends of trough 14. This setting makes suture 4 by the holding in trough 14 behind many anchor 3 of establishing ties, and this not only makes the line of walking of suture 4 more clean and tidy reasonable, prevents that follow-up suture 4's removal from making it drive anchor 3 and taking place the displacement, still makes suture 4 be located the inside of platform 1 all the time to avoid scraping the breaking away from that leads to suture 4 and anchor 3 because of outside maloperation.

According to the utility model discloses, as shown in fig. 1 and fig. 2, still can be formed with spacing recess 13 on the platform 1, insert through-hole 11 and be located spacing recess 13, each storage tank 12 all is located the platform 1 outside spacing recess 13 with trough 14. The limiting recess 13 is used to limit the insertion handle 210 of the anchor insertion device 200 shown in fig. 3, and prevent it from shaking relative to the platform 1.

Additionally, the utility model discloses an anchor insertion device 200 is still provided. Fig. 3 illustrates the configuration of the anchor inserter device 200, shown in connection with fig. 4, which includes an inserter handle 210 and an inserter rod 220 coaxially connected to the inserter handle 210, as well as the anchor pre-positioning device 100 described above. Wherein the insertion rod 220 can be inserted into and extend out of the insertion tube 2.

Preferably, the outer diameter of the insertion handle 210 is the same size as the inner diameter of the stopper groove 13 of the platform 1. This arrangement can further prevent the wobbling of the insertion handle 21 relative to the platform 1, so that the stability of the operation of the anchor insertion device 200 when implanting the anchor 3 can be ensured.

Furthermore, the utility model also provides a method that anchor was implanted in advance, include: the preparation method comprises the following steps: at least two anchor bolts 3 are respectively arranged in the accommodating groove 12 of the anchor bolt pre-positioning device 100, wherein the anchor bolts 3 are connected in series through the suture 4. The utility model discloses a penetrate suture 4 and prepositioned on platform 1 in advance with many anchor bolts 3, with the prior art respectively need increase once the threading step when implanting independent every anchor bolt 3 to be compared, the utility model discloses an anchor bolt preimplantation method has saved and has carried out the step of threading to anchor bolt 3 many times in the operation process, and this not only can realize the continuous convenient implantation of many anchor bolts 3 to greatly simplified operation step, promoted the convenience of operation; still make operating personnel can take each anchor 3 in order and implant in order, because when taking an anchor 3 and implant, other anchor 3 can not receive the influence, and other anchor 3 still keep its inherent position promptly, consequently do not influence each other between each anchor 3 in this application to operation efficiency has been promoted. In addition, the plurality of anchors 3 can meet the fixing strength required by the operation, thereby effectively avoiding the risk of operation failure caused by adopting less anchor fixing failure.

Further, the method of anchor pre-implantation according to the present invention may further include: an implantation step: and taking off one anchor 3, implanting the anchor into one bone pore canal on the surface of the human bone by using the anchor inserting device 200, and repeating the steps in sequence until the anchor 3 is taken out, or repeating the steps in sequence until the number of the anchors 3 implanted into the human body meets the fixing requirement.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. The anchor pre-positioning device is characterized by comprising a platform for pre-positioning a plurality of anchors and a guide pipe vertically connected with the platform, wherein an insertion through hole and a plurality of accommodating grooves positioned around the insertion through hole are formed in the platform, the insertion through hole is communicated with the guide pipe, and the axis of the insertion through hole is superposed with the axis of the guide pipe.

2. The anchor pre-positioning device according to claim 1, further comprising a plurality of anchor rods respectively disposed correspondingly in the accommodating grooves, and a suture passing through the anchor rods in sequence.

3. The anchor pre-positioning apparatus of claim 2, wherein each of the anchors is snap-fit positioned within a respective one of the receiving slots.

4. The anchor pre-positioning device according to claim 2 or 3, wherein a magnetic member made of a magnetic material is detachably connected to the insertion end of the anchor, and a ferrous member made of a ferrous material and matched with the magnetic member is formed in the accommodating groove.

5. The anchor pre-positioning device as recited in claim 4, wherein the magnetic member is configured as a magnetic cap that threadably connects with external threads of the insertion end of the anchor; the ferrous component is configured as a ferrous coating formed within the receiving slot.

6. The anchor pre-positioning device as claimed in claim 2 or 3, wherein the insertion end of the anchor is detachably connected with a magnetic member made of a magnetic material, and the platform is made of a ferrous material.

7. The anchor pre-positioning device according to any one of claims 1 to 3, wherein a wiring groove sequentially communicating with each accommodating groove is further formed on the platform, and two ends of the wiring groove respectively extend out of the edge of the platform.

8. The anchor pre-positioning device according to claim 7, wherein the platform is further formed with a limiting groove, the insertion through hole is located in the limiting groove, and each of the receiving groove and the routing groove is located on the platform outside the limiting groove.

9. An anchor inserter device comprising an inserter handle and an inserter rod coaxially connected to the inserter handle, and an anchor pre-positioning device as claimed in any one of claims 1 to 8, wherein the inserter rod is insertable into and extendable out of the guide tube.

10. The anchor inserter device of claim 9 wherein the insertion handle has an outer diameter that is the same size as an inner diameter of the stop recess on the platform.