CN212326481U - Fastening nail and fastening nail implanting device - Google Patents
Fastening nail and fastening nail implanting device Download PDFInfo
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- CN212326481U CN212326481U CN202020962223.7U CN202020962223U CN212326481U CN 212326481 U CN212326481 U CN 212326481U CN 202020962223 U CN202020962223 U CN 202020962223U CN 212326481 U CN212326481 U CN 212326481U
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Abstract
The utility model provides a fastening nail and a fastening nail implanting device, relating to the technical field of medical instruments, wherein the fastening nail comprises a nail seat and a spiral part; the front end of the spiral part is formed into a tip end, the rear end of the spiral part is fixedly connected with the front end of the nail seat, and the end face of the rear end of the nail seat is provided with a first positioning part. The fastening nail implanting device is used for implanting the fastening nail into a human body; comprises a base, a conveying cable and an anchoring handle; the rear end of the conveying cable is connected to the anchoring handle, and the front end of the conveying cable is provided with a second positioning part; an anchoring handle is mounted to the base, and the anchoring handle is configured to: can drive the conveying cable and rotate under first operating mode to and, drive conveying cable release blind rivet under the second operating mode. The utility model discloses alleviated and used the shift fork to loosen easily from the shift fork during human tissue screw in anchorage nail among the prior art and taken off to delay operation completion time, increased patient's risk in the operation, and be unfavorable for the technical problem of patient postoperative wound healing.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a device is implanted to binding nail and binding nail.
Background
When the operation is treated, generally need use medical fastening nail, through inciting somebody to action medical fastening nail into human organ or skin tissue, thereby supplementary sewing up, the fastening nail that adopts among the prior art is simple helical structure usually, insert the circle of the one end of fastening nail through making the shift fork, then rotatory shift fork, and then in with fastening nail screw in human organ or skin tissue, however, adopt prior art's structure to carry out the rotation in-process to the fastening nail, the rear end of fastening nail, the tip circle of the distal end department often called of operation treatment is circular structure usually promptly, the shift fork then is square structure usually, be difficult to firm the combination between the two, thereby the phenomenon that the fastening nail pine takes off appears easily in the rotation, and then delay operation completion time, increase patient's risk in the operation, and be unfavorable for patient's postoperative wound healing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device is implanted to binding nail and binding nail to alleviate and use the shift fork to when human tissue screw in binding nail among the prior art the binding nail pine takes off from the shift fork easily, thereby delay the operation completion time, increase patient's risk in the operation, and be unfavorable for the technical problem of patient's postoperative wound healing.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a fastening nail, including nail seat and spiral part, the front end of spiral part is formed into most advanced, the rear end fixed connection of spiral part in the front end of nail seat be provided with first location portion on the terminal surface of the rear end of nail seat.
In an alternative embodiment, the first positioning portion includes a positioning hole or a positioning protrusion provided on an end surface of the rear end of the nail seat.
In a second aspect, embodiments of the present invention provide a fastener implantation device for implanting into a human body a fastener according to any one of the optional embodiments of the first aspect; the fastener implantation device comprises a base and an implant assembly, wherein the implant assembly comprises a delivery cable and an anchoring handle;
the rear end of the conveying cable is connected to the anchoring handle, and the front end of the conveying cable is provided with a second positioning part which can be mutually buckled with the first positioning part;
the anchoring handle is mounted to the base and configured to: the conveying cable can be driven to rotate under a first working condition, so that the fastening nails buckled at the front end of the conveying cable are driven to synchronously rotate with the conveying cable, and the conveying cable is driven to release the fastening nails under a second working condition.
In an alternative embodiment, the delivery cable comprises a sleeve and a rotating cable, the rotating cable passing through the sleeve;
the anchoring handle comprises a shell, a first rotating knob and a second rotating knob, the shell is arranged on the base, the front end of the first rotating knob is arranged in the shell, and the first rotating knob can rotate relative to the shell;
a through hole penetrating through the first rotating knob along the front-back direction is formed in the first rotating knob, the front end of the second rotating knob is sleeved at the rear end of the first rotating knob, and the second rotating knob can rotate relative to the first rotating knob; the rear end of the first rotary knob and the second rotary knob are both positioned outside the shell;
the rear end of the sleeve is connected with the front end of the first rotating knob, and the rear end of the rotating cable is connected with the front end of the second rotating knob through a spring part;
the second positioning part is arranged at the front end of the sleeve, the front end of the rotating cable is connected with a pin, a threaded hole is formed in the end face of the rear end of the pin seat, and external threads matched with the threaded hole are formed in the outer peripheral face of the pin.
In an alternative embodiment, an anti-reverse component is provided between the front end of the first rotary knob and the housing; and/or a rotation prevention member is detachably connected between the first rotation knob and the second rotation knob.
In an alternative embodiment, the fastener implanting device further comprises an advancing mechanism and a cannula holder, the advancing mechanism comprising an advancing handle, a first gear and a second gear;
the advancing handle is fixedly connected to the sleeve bracket, the rotating cable penetrates through a tube cavity of the sleeve bracket, and the front end of the first rotating knob is rotatably connected to the rear end of the tube cavity of the sleeve bracket;
the first gear is arranged on the advancing handle, the second gear is arranged on the first rotating knob, and the first gear and the second gear are meshed with each other.
In an optional embodiment, the fastening nail implanting device further includes a first bending sheath mechanism, the first bending sheath mechanism includes a first bending handle and a first bending sheath, the first bending handle is mounted on the base and located in front of the anchoring handle, the first bending sheath is mounted on the first bending handle, and the conveying cable passes through the first bending sheath and the first bending handle.
In an alternative embodiment, the fastening nail implanting device further comprises a second bending adjusting sheath mechanism, the second bending adjusting sheath mechanism comprises a second bending adjusting handle and a second bending adjusting sheath, the second bending adjusting handle is mounted on the base and located between the first bending adjusting handle and the anchoring handle, and the second bending adjusting handle can slide back and forth relative to the base;
the second transfers curved sheath pipe install in the second transfers curved handle, just the second transfers curved sheath pipe to pass first transfer curved handle with first transfer curved sheath pipe, the delivery cable passes the second transfers curved sheath pipe with the second transfers curved handle.
In an alternative embodiment, the first bend-adjusting sheath mechanism further comprises a first support tube;
a first sealing gasket is arranged inside the first bending adjusting handle, and a through hole with an axis extending along the front-back direction is formed in the first sealing gasket; the front end of the first supporting pipe fitting is installed at the rear end of the first bending adjusting handle, the front end of the first supporting pipe fitting is inserted into the inner portion of the through hole, a pipe cavity of the first supporting pipe fitting is communicated with the first bending adjusting sheath pipe, and the conveying cable penetrates through the first bending adjusting sheath pipe and the pipe cavity of the first supporting pipe fitting.
In an alternative embodiment, the first bending adjusting handle is rotatably mounted on the base through a rotating structure; and/or the second bending adjusting handle is rotatably arranged on the base through a rotating structure.
The embodiment of the utility model provides a can realize following beneficial effect:
the utility model discloses a first aspect of the embodiment provides a fastening nail, and this fastening nail includes nail seat and spiral part, and the front end of spiral part is formed into most advanced, and the rear end fixed connection of spiral part is provided with first location portion on the terminal surface of the rear end of nail seat in the front end of nail seat.
The embodiment of the utility model provides an in, because the front end of spiral part is formed for most advanced, thereby, can realize implanting the function in human organ or skin tissue with the binding nail through rotatory spiral part, wherein, still include the nail seat except that the spiral part position is detached to the binding nail through making, and set up first location portion on the rear end terminal surface of nail seat, thereby the accessible sets up the concrete structure shape of first location portion in order to be applicable to shift fork or other conveyor to the internal input binding nail of human body, and then improve the compactness that combines between binding nail and the conveyor, avoid the binding nail to take off from the conveyor pine.
In addition, the second aspect of the embodiments of the present invention also provides a fastening nail implanting device for implanting the fastening nail provided by the first aspect into a human body. The fastener implanting device comprises a base and an implanting assembly, wherein the implanting assembly comprises a conveying cable and an anchoring handle; the rear end of the conveying cable is connected to the anchoring handle, and the front end of the conveying cable is provided with a second positioning part which can be buckled with the first positioning part; an anchoring handle is mounted to the base, and the anchoring handle is configured to: the conveying cable can be driven to rotate under the first working condition, and then the fastening nails buckled at the front end of the conveying cable are driven to synchronously rotate with the conveying cable, and the conveying cable is driven to release the fastening nails under the second working condition.
The embodiment of the utility model provides a convenient operation is favorable to implanting the binding nail fast to the human body to shorten operation time, reduce the intraoperative risk, be favorable to patient's postoperative to heal fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a fastening nail according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the fastener implanting device according to the embodiment of the present invention in a state where the fastener is installed;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is an exploded view of portion A of FIG. 2 from another perspective;
fig. 6 is a schematic view of the overall structure of the anchoring handle of the fastening nail implanting device according to the embodiment of the present invention, in a state where the housing is not installed and the fastening nail is not installed;
FIG. 7 is an enlarged view of a portion C of FIG. 6;
FIG. 8 is an enlarged view of a portion D of FIG. 6;
FIG. 9 is an exploded view of a portion of the anchoring handle of FIG. 8;
FIG. 10 is a schematic view of the second bending adjustment handle of FIG. 2 mounted on the base;
fig. 11 is a front sectional view of a portion B of fig. 2.
Icon: 1-fastening nails; 11-a nail seat; 110-a first positioning portion; 120-a second location section; 130-an annular groove; 12-a helix; 121-tip; 200-a base; 310-a transmission cable; 311-a sleeve; 312-rotating the cable; 313-a spring element; 314-a pin; 3141-a conical surface; 320-anchoring a handle; 321-a first rotary knob; 3211-a first rotary housing; 3212-a first shaft; 3213-end connecting rod; 322-a second turning knob; 3221-a second rotary housing; 3222-a second shaft; 323-a housing; 3231-a seal; 400-anti-reverse feature; 410-a pawl member; 420-a ratchet structure; 500-anti-rotation parts; 600-a forward mechanism; 610-a forward handle; 620-a first gear; 630-a second gear; 700-a cannula holder; 810-a first bend-adjusting sheath mechanism; 811-first bend adjustment handle; 812-a first bend-tuning sheath; 820-a second bending adjusting sheath mechanism; 821-a second bending adjusting handle; 822-a second bending adjusting sheath; 8100-bending adjusting knob; 8200-bending adjusting screw; 8300-bending adjusting slide block; 8111-a first gasket; 830-a first support tube; 900-a rotating structure; 910-an upper housing; 920-a lower shell; 930-buckling; 1000-front-back adjustment structure; 1100-adjusting knob; 1200-gear; 1300-rack; 1400-limiting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "front", "back", "inside", "outside", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
The present embodiment provides a fastening pin, which includes a pin base 11 and a screw part 12, referring to fig. 1; the front end of the spiral part 12 is formed as a tip 121, the rear end of the spiral part 12 is fixedly connected to the front end of the nail seat 11, and the end surface of the rear end of the nail seat 11 is provided with a first positioning part 110.
In this embodiment, the front end of the spiral part 12 is formed to be the tip, so that the function of implanting the fastening nail 1 into the human body organ or the skin tissue can be realized by rotating the spiral part 12, wherein, the fastening nail 1 further comprises the nail seat 11 except the spiral part 12, and the first positioning part 110 is arranged on the rear end face of the nail seat 11, so that the fastening nail 1 can be applied to a shifting fork or other conveying devices for inputting the fastening nail into the human body by setting the specific structural shape of the first positioning part 110, and the tightness of the combination between the fastening nail 1 and the conveying device is improved, and the fastening nail 1 is prevented from being loosened from the conveying device.
In alternative embodiments of the present invention, the first positioning portion 110 may be formed in various specific configurations, for example, but not limited to, the first positioning portion 110 includes a positioning hole disposed on the end surface of the rear end of the nail seat 11, and by providing a positioning protrusion capable of being engaged with the positioning hole on the front end of the delivery device, the fastening nail 1 can be rotated through the positioning protrusion and the positioning hole to implant the fastening nail 1 into the human organ or skin tissue to assist suturing, wherein the positioning hole and the positioning protrusion need to be completely engaged to ensure that the fastening nail 1 is not loosened from the delivery device; in addition, the positioning holes can be one or more, the corresponding positioning bulges have the number corresponding to the positioning holes one by one, and in addition, the positioning holes are preferably polygonal positioning holes; of course, the first positioning portion 110 may be formed in other specific configurations, for example, but not limited to, the first positioning portion 110 may include a positioning protrusion disposed on the end surface of the rear end of the nail seat 11, and a positioning hole capable of being engaged with the positioning protrusion may be disposed at the front end of the delivery device, so that the function of rotating the fastening nail 1 to implant the fastening nail 1 into a human organ or skin tissue to assist suturing may be realized through the positioning protrusion and the positioning hole.
In addition, in order to lock the space between the two fastening nails 1 conveniently, as shown in fig. 1, an annular groove 130 is provided on the outer circumferential surface of the nail seat 11, a polymer suture thread for operation is tied on the annular groove 130, and the suture threads on the two fastening nails 1 are knotted, so that the function of locking the two fastening nails 1 is achieved.
Example two
The present embodiment provides a fastener implanting device for implanting into a human body a fastener 1 provided in any one of the alternative embodiments of the present embodiment, with reference to fig. 1 in conjunction with fig. 2.
Specifically, the fastener implantation device includes a base 200 and an implant assembly including a delivery cable 310 and an anchoring handle 320. More specifically, the rear end of the conveying cable 310 is connected to the anchoring handle 320, and the front end of the conveying cable 310 is provided with the second positioning portion 120 that can be engaged with the first positioning portion 110; an anchoring handle 320 is mounted to the base 200, and the anchoring handle 320 is configured to: the conveying cable 310 can be driven to rotate under the first working condition, so that the fastening nail 1 buckled at the front end of the conveying cable 310 is driven to rotate synchronously with the conveying cable 310, and the conveying cable 310 is driven to release the fastening nail 1 under the second working condition.
Referring to fig. 2 to 7, in an alternative embodiment of the present embodiment, it is preferable that the transmission cable 310 includes a sleeve 311 and a rotation cable 312, and the rotation cable 312 passes through the sleeve 311.
Referring to fig. 2, 8 and 9, the anchoring handle 320 includes a housing 323, a first rotating knob 321 and a second rotating knob 322, the housing 323 is installed at the base 200, a front end of the first rotating knob 321 is installed at an inside of the housing 323, and the first rotating knob 321 can rotate with respect to the housing 323. A through hole penetrating through the first rotary knob 321 in the front-rear direction is formed in the first rotary knob 321, the front end of the second rotary knob 322 is sleeved at the rear end of the first rotary knob 321, and the second rotary knob 322 can rotate relative to the first rotary knob 321; the rear end of the first rotating knob 321 and the second rotating knob 322 are located outside the housing. The rear end of the sleeve 311 is connected to the front end of the first rotating knob 321, and the rear end of the rotating cable 312 is connected to the front end of the second rotating knob 322 through a spring member 313. With continued reference to fig. 2 to 7, the second positioning portion 120 is disposed at the front end of the sleeve 311, a pin 314 is connected to the front end of the rotation cable 312, a threaded hole is disposed on the end surface of the rear end of the nail holder 11, and an external thread that fits into the threaded hole is disposed on the outer circumferential surface of the pin 314.
More specifically, as shown in fig. 3, 4, 5, and 7, the rear end of the pin 314 is connected to the front end of the rotation cable 312 via a tapered surface 3141 whose diameter gradually increases toward the rotation cable 312 from the pin 314, another tapered abutment surface that engages with the tapered surface 3141 is provided on the inner wall surface of the front end of the sleeve 311, the rotation cable 312 can drive the pin 314 to slide back and forth inside the sleeve 311, and when the tapered surface 3141 abuts against another tapered abutment surface provided on the inner wall surface of the front end of the sleeve 311, the pin 314 protrudes to the foremost position with respect to the sleeve 311, and at this time, the front end of the pin 314 protrudes from the front end of the sleeve 311.
When the fastening nail 1 is implanted into a human body by using the anchoring handle 320, the pin 314 is screwed into a threaded hole arranged on the end surface of the rear end of the nail seat 11 of the fastening nail 1, and the first positioning part 110 on the nail seat 11 of the fastening nail 1 is mutually buckled with the second positioning part 120 at the front end of the sleeve 311, at this time, the conical abutting surface arranged on the inner wall surface of the front end of the sleeve 311 is mutually abutted with the conical surface 3141, the spring part 313 is in a stretching state, and the rear end surface of the nail seat 11 of the fastening nail 1 is abutted with the front end surface of the sleeve 311; by rotating the first rotary knob 321, the sleeve 311 can be rotated, so that the sleeve 311 drives the fastening nail 1 to rotate forward to drive the front end of the fastening nail 1 to be nailed into the human organ or the skin tissue; after the pin 314 is rotated to the proper position, the second rotating knob 322 is rotated in the reverse direction, so that the pin 314 is rotated in the sleeve 311 relative to the screwed-in fastening nail 1, and the pin 314 is separated from the fastening nail 1, at this time, the pin 314 is retracted into the sleeve 311 under the action of the elastic restoring force of the spring element 313, in this embodiment, the spring element 313 is arranged, so that the front end of the pin 314 is positioned outside the sleeve 311 after the pin 314 is separated from the fastening nail 1 to damage the human body, meanwhile, the spring element 313 is arranged to ensure that the pin 314 is separated from the fastening nail 1, the pin 314 always has the movement tendency of pulling the fastening nail 1 backwards to enable the rear end surface of the nail seat 11 of the fastening nail 1 to be abutted against the front end surface of the sleeve 311, the sleeve 311 is sleeved with the fastening nail 1 when the pin 314 is separated from the fastening nail 1, and the sleeve 311 controls the fastening nail 1 not to rotate in the process that the pin 314 rotates in, thereby ensuring that pin 314 can be smoothly disengaged from fastener 1.
Referring to fig. 8 and 9, in a further preferred embodiment of the present embodiment, an anti-reverse part 400 is provided between the front end of the first rotation knob 321 and the housing 323; and/or, an anti-rotation member 500 is detachably connected between the first rotation knob 321 and the second rotation knob 322, wherein "and/or" means that only the former or only the latter or both of the former and the latter is provided in a structure of "the anti-rotation member 400 is provided between the front end of the first rotation knob 321 and the housing 323" and a structure of "the anti-rotation member 500 is detachably connected between the first rotation knob 321 and the second rotation knob 322".
The specific structural forms of the above anti-reverse part 400 are various, and preferably, as shown in fig. 8 and 9, the first rotation knob 321 includes an end connecting rod 3213, a first shaft rod 3212 and a first rotation housing 3211 which are connected in sequence from front to back, the end connecting rod 3213 and the first shaft rod 3212 are sleeved inside the housing 323, the anti-reverse part 400 includes a pawl part 410 and a ratchet structure 420 arranged on the outer circumferential surface of the first shaft rod 3212, the pawl of the pawl part 410 is engaged with the ratchet structure 420, and in combination with fig. 2, one end of the pawl part 410, which is far away from the ratchet structure 420, penetrates out of the housing 323; the second rotating knob 322 includes a second shaft rod 3222 and a second rotating shell 3221 connected to the rear end of the second shaft rod 3222, the second shaft rod 3222 is sleeved inside the first rotating shell 3211, and the rear end of the spring element 313 is connected to the front end of the second shaft rod 3222. In the preferred embodiment, the anti-reverse component 400 is provided to make the sleeve 311 only rotate in the forward direction along with the second rotating shell 3221, and during the operation of the second rotating shell 3221 to make the pin 314 rotate in the reverse direction relative to the fastening pin 1 to disengage from the fastening pin 1, it is ensured that the sleeve 311 does not rotate in the reverse direction along with the second rotating shell 3221, and thus the pin 314 is smoothly disengaged from the fastening pin 1. Of course, the structure of the anti-reverse rotation member 400 may be other structures, for example, the pawl member 410 may be replaced with a pawl provided on the inner wall of the housing 323, and the pawl may be engaged with the ratchet tooth structure 420, and the like.
In addition, the above anti-rotation members 500 have various specific structural forms, and preferably, as shown in fig. 8 and 9, the rotation preventing member 500 is detachably connected between the first rotating knob 321 and the second rotating knob 322, and is configured to rotate the first rotating knob 321 and the second rotating knob 322 synchronously, and specifically, a first positioning hole may be opened on a rear end surface of the first rotating knob 321, a second positioning hole penetrating the second rotary knob 322 in the front-rear direction is formed in the second rotary knob 322, one end of the rotation preventing member 500 passes through the second positioning hole and then extends into the first positioning hole, so as to prevent the second rotary knob 322 from being rotated with respect to the first rotary knob 321 when the first rotary knob 321 is rotated to implant the fastening pin 1 into the human organ or skin tissue, when the second rotating knob 322 needs to be rotated alone to disengage the pin 314 from the fastening nail 1, the anti-rotation member 500 is pulled out.
With continued reference to fig. 8 and 9, in a further preferred embodiment of this embodiment, the fastener implanting device further includes an advancing mechanism 600 and a cannula holder 700, the advancing mechanism 600 including an advancing handle 610, a first gear 620, and a second gear 630; the advancing handle 610 is fixedly connected to the cannula holder 700, the rotating cable 312 passes through the lumen of the cannula holder 700, the front end of the first rotating knob 321 is rotatably connected to the rear end of the lumen of the cannula holder 700, and an avoiding hole for avoiding the pawl component 410 is formed in the cannula holder 700; the first gear 620 is disposed on the outer circumferential surface of the forward handle 610, the second gear 630 is disposed on the outer circumferential surface of the end connecting rod 3213 of the first rotating knob 321, the first gear 620 and the second gear 630 are engaged with each other, and a window through which the second gear 630 is exposed is formed on the casing bracket 700. In the present preferred embodiment, by providing the advancing mechanism 600, the cannula holder 700 can be slid forward relative to the housing 323 during the process of implanting the fastening nail 1 into the body organ or the skin tissue by the first rotating knob 321, so as to prevent the cannula holder 700 from providing a pulling force pulling the fastening nail 1 backward, and ensure the fastening nail 1 to be screwed into the body organ or the skin tissue quickly, and preferably, the pitch of the external thread provided on the pin 314 is equal to the pitch of the first gear 620 provided on the advancing mechanism 600, so that the distance of the forward sliding of the cannula holder 700 relative to the housing 323 is equal to the distance of the fastening nail 1 being nailed into the body organ or the skin tissue.
As shown in fig. 9, a sealing member 3231 is further provided inside the housing 323, and the cannula 311 is inserted through the sealing member 3231 to prevent blood leakage.
In addition, referring to fig. 10 and 11, in combination with fig. 2 and 6, and in particular to fig. 2, in a preferred embodiment of this embodiment, the fastening nail implanting device further includes a first bending adjusting sheath mechanism 810, the first bending adjusting sheath mechanism 810 includes a first bending adjusting handle 811 and a first bending adjusting sheath 812, the first bending adjusting handle 811 is mounted on the base 200 and located in front of the anchoring handle 320, the first bending adjusting sheath 812 is mounted on the first bending adjusting handle 811, and the delivery cable 310 passes through the first bending adjusting sheath 812 and the first bending adjusting handle 811, specifically, the first bending adjusting handle 811 includes a bending adjusting knob 8100, a bending adjusting screw 8200 and a bending adjusting slider 8300; the bending adjusting slider 8300 is sleeved on the bending adjusting screw rod 8200 in a threaded manner, a bending adjusting wire is connected between the front end of the first bending adjusting sheath tube 812 and the bending adjusting slider 8300, the rear end of the bending adjusting screw rod 8200 is connected with the bending adjusting knob 8100, the bending adjusting screw rod 8200 can be rotated by rotating the bending adjusting knob 8100, the bending adjusting slider 8300 can slide along the length direction of the bending adjusting screw rod 8200, and the bending adjusting wire can be tensioned or released, so that the function of adjusting the bending degree of the first bending adjusting sheath tube 812 can be achieved.
Further preferably, the fastening nail implanting device further comprises a second bending adjusting sheath mechanism 820, the second bending adjusting sheath mechanism 820 comprises a second bending adjusting handle 821 and a second bending adjusting sheath 822, the second bending adjusting handle 821 is installed on the base 200 and located between the first bending adjusting handle 811 and the anchoring handle 320, and the second bending adjusting handle 821 can slide back and forth relative to the base 200; the second bending adjusting sheath 822 is mounted on the second bending adjusting handle 821, the second bending adjusting sheath 822 penetrates through the first bending adjusting handle 811 and the first bending adjusting sheath 812, the conveying cable 310 penetrates through the second bending adjusting sheath 822 and the second bending adjusting handle 821, the bending adjusting principle of the second bending adjusting handle 821 is the same as that of the first bending adjusting handle 811, therefore, the second bending adjusting handle 821 can be used for assisting the first bending adjusting handle 811 to adjust the implantation angle for the second time, the implantation angle can be adjusted by 90 degrees through the first bending adjusting handle 811, and the implantation angle can be adjusted by 180 degrees through the second bending adjusting handle 821. In addition, in this embodiment, there are various specific setting structures for the second bending adjustment handle 821 to be capable of sliding back and forth relative to the base 200, for example, but not limited to, as shown in fig. 10, the second bending adjustment handle 821 is connected to the base 200 through a back and forth adjustment structure 1000, the back and forth adjustment structure 1000 includes an adjustment knob 1100, a gear 1200, a rack 1300 and a limit plate 1400, the rack 1300 is disposed at the bottom of the second bending adjustment handle 821, one end of the adjustment knob 1100 is fixedly connected with a rotating shaft, the rotating shaft passes through a limit slot on the limit plate 1400, the gear 1200 is fixed at one end of the rotating shaft away from the adjustment knob 1100, the limit plate 1400 is fixed on the base 200, the rotating shaft is capable of sliding along the limit slot and is located at two limit positions of the limit slot, at one limit position, the gear 1200 can be engaged with the rack 1300, the rack 1300 extends in the back and forth direction, the adjustment, at another limit position, the gear 1200 can be disengaged from the rack 1300, and at this time, the second bending adjustment handle 821 can be removed relative to the base 200; through above structure, usable first accent curved handle 811 carries out the primary adjustment to implantation position and implantation angle, then utilizes second accent curved handle 821 to carry out careful regulation to implantation position and implantation angle, increases the precision of implantation position.
In addition, for convenience of operation, in the preferred embodiment of the present embodiment, the first bending adjustment handle 811 may be rotatably mounted on the base 200 through the rotating structure 900; and/or, the second bending adjustment handle 821 is rotatably mounted on the base 200 through the rotating structure 900, wherein "and/or" means that only the former or only the latter or both of the structure of "the first bending adjustment handle 811 is rotatably mounted on the base 200 through the rotating structure 900" and the structure of "the second bending adjustment handle 821 is rotatably mounted on the base 200 through the rotating structure 900". Specifically, as shown in fig. 10, the rotating structure 900 may include an upper case 910, a lower case 920, and a buckle 930, the lower case 920 is fixed to the base 200, the upper case 910 is connected to the lower case 920 through the buckle 930, the bending adjustment handle of the bending adjustment sheath mechanism may be clamped between the upper case 910 and the lower case 920 or may be removed from between the upper case 910 and the lower case 920 by opening the buckle 930, and the bending adjustment handle of the bending adjustment sheath mechanism may be rotated between the upper case 910 and the lower case 920, so that the implantation angle may be adjusted more conveniently.
In addition, in order to facilitate the transmission cable 310 to smoothly pass through the bend adjusting handle of the bend adjusting sheath, referring to fig. 11, in the preferred embodiment of the present embodiment, the first bend adjusting sheath mechanism 810 further includes a first supporting tube 830; a first sealing gasket 8111 is arranged inside the first bending adjusting handle 811, and a through hole with an axis extending along the front-back direction is formed in the first sealing gasket 8111; the front end of first support pipe fitting 830 is installed in the rear end of first accent curved handle 811, and the front end of first support pipe fitting 830 inserts in fenestrate inside, the lumen and the first accent curved sheath pipe 812 intercommunication of first support pipe fitting 830, the conveying cable 310 passes first accent curved sheath pipe 812 and the lumen of first support pipe fitting 830, therefore, usable first support pipe fitting 830 struts the perforation of seting up in advance on the first sealed pad 8111, make the dismouting process of conveying cable 310 simple more convenient, in addition, can also make second accent curved sheath pipe mechanism 820 still include with the second support pipe fitting of first support pipe fitting 830 looks isostructure.
The effects that can be achieved by other structures in this embodiment that are the same as those in the first embodiment can be obtained by referring to each of the optional or preferred embodiments in the first embodiment.
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 depart from the spirit and scope of the present invention.
Claims (10)
1. A fastening nail (1), characterized in that: comprises a nail seat (11) and a spiral part (12);
the front end of the spiral part (12) is formed into a tip end (121), the rear end of the spiral part (12) is fixedly connected with the front end of the nail seat (11), and a first positioning part (110) is arranged on the end face of the rear end of the nail seat (11).
2. A fastening pin (1) according to claim 1, characterized in that: the first positioning part (110) comprises a positioning hole or a positioning bulge which is arranged on the end surface of the rear end of the nail seat (11).
3. A fastener implanting device, comprising: for implanting a fastening pin (1) according to claim 1 or 2 into a human body; the fastener implantation device comprises a base (200) and an implant assembly comprising a delivery cable (310) and an anchoring handle (320);
the rear end of the conveying cable (310) is connected to the anchoring handle (320), and the front end of the conveying cable (310) is provided with a second positioning part (120) which can be mutually buckled with the first positioning part (110);
the anchoring handle (320) is mounted to the base (200), and the anchoring handle (320) is configured to: the conveying cable (310) can be driven to rotate under a first working condition, so that the fastening nail (1) buckled at the front end of the conveying cable (310) is driven to synchronously rotate with the conveying cable (310), and the conveying cable (310) is driven to release the fastening nail (1) under a second working condition.
4. The fastener implanting device of claim 3, wherein: the delivery cable (310) comprises a sleeve (311) and a rotating cable (312), the rotating cable (312) passing through the sleeve (311);
the anchoring handle (320) comprises a shell (323), a first rotating knob (321) and a second rotating knob (322), the shell (323) is installed on the base (200), the front end of the first rotating knob (321) is installed inside the shell (323), and the first rotating knob (321) can rotate relative to the shell (323);
a through hole penetrating through the first rotating knob (321) in the front-back direction is formed in the first rotating knob (321), the front end of the second rotating knob (322) is sleeved at the rear end of the first rotating knob (321), and the second rotating knob (322) can rotate relative to the first rotating knob (321); the rear end of the first rotary knob (321) and the second rotary knob (322) are both located outside the housing;
the rear end of the sleeve (311) is connected with the front end of the first rotating knob (321), and the rear end of the rotating cable (312) is connected with the front end of the second rotating knob (322) through a spring piece (313);
the second positioning part (120) is arranged at the front end of the sleeve (311), a pin (314) is connected to the front end of the rotating cable (312), a threaded hole is formed in the end face of the rear end of the pin seat (11), and an external thread matched with the threaded hole is formed in the outer peripheral surface of the pin (314).
5. The fastener implantation device of claim 4, wherein: an anti-reverse rotation part (400) is provided between the front end of the first rotary knob (321) and the housing (323); and/or a rotation prevention member (500) is detachably connected between the first rotation knob (321) and the second rotation knob (322).
6. The fastener implantation device of claim 5, wherein: the fastener implanting device further includes an advancing mechanism (600) and a cannula holder (700), the advancing mechanism (600) including an advancing handle (610), a first gear (620), and a second gear (630);
the advancing handle (610) is fixedly connected to the sleeve bracket (700), the rotating cable (312) penetrates through the lumen of the sleeve bracket (700), and the front end of the first rotating knob (321) is rotatably connected to the rear end of the lumen of the sleeve bracket (700);
the first gear (620) is provided to the advancing handle (610), the second gear (630) is provided to the first rotating knob (321), and the first gear (620) and the second gear (630) are engaged with each other.
7. The fastener implanting device of claim 3, wherein: the device is implanted to stabilizer pin still includes first curved sheath pipe mechanism of transferring (810), first curved sheath pipe mechanism of transferring (810) includes first curved handle of transferring (811) and first curved sheath pipe of transferring (812), first curved handle of transferring (811) install in base (200) and be located the place ahead of anchoring handle (320), first curved sheath pipe of transferring (812) install in first curved handle of transferring (811), delivery cable (310) pass first curved sheath pipe of transferring (812) with first curved handle of transferring (811).
8. The fastener implantation device of claim 7, wherein: the fastening nail implanting device further comprises a second bending adjusting sheath mechanism (820), the second bending adjusting sheath mechanism (820) comprises a second bending adjusting handle (821) and a second bending adjusting sheath (822), the second bending adjusting handle (821) is installed on the base (200) and located between the first bending adjusting handle (811) and the anchoring handle (320), and the second bending adjusting handle (821) can slide back and forth relative to the base (200);
the second bending adjusting sheath (822) is mounted on the second bending adjusting handle (821), the second bending adjusting sheath (822) penetrates through the first bending adjusting handle (811) and the first bending adjusting sheath (812), and the conveying cable (310) penetrates through the second bending adjusting sheath (822) and the second bending adjusting handle (821).
9. The fastener implanting device of claim 7 or 8, wherein:
the first bending adjusting sheath mechanism (810) further comprises a first supporting pipe (830);
a first sealing gasket (8111) is arranged inside the first bending adjusting handle (811), and a through hole with an axis extending along the front-back direction is formed in the first sealing gasket (8111); the front end of the first supporting pipe fitting (830) is installed at the rear end of the first bending adjusting handle (811), the front end of the first supporting pipe fitting (830) is inserted into the through hole, the lumen of the first supporting pipe fitting (830) is communicated with the first bending adjusting sheath pipe (812), and the conveying cable (310) penetrates through the first bending adjusting sheath pipe (812) and the lumen of the first supporting pipe fitting (830).
10. The fastener implantation device of claim 8, wherein: the first bending adjusting handle (811) is rotatably mounted on the base (200) through a rotating structure (900); and/or the second bending adjusting handle (821) is rotatably mounted on the base (200) through a rotating structure (900).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020962223.7U CN212326481U (en) | 2020-05-29 | 2020-05-29 | Fastening nail and fastening nail implanting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020962223.7U CN212326481U (en) | 2020-05-29 | 2020-05-29 | Fastening nail and fastening nail implanting device |
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| Publication Number | Publication Date |
|---|---|
| CN212326481U true CN212326481U (en) | 2021-01-12 |
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| CN202020962223.7U Active CN212326481U (en) | 2020-05-29 | 2020-05-29 | Fastening nail and fastening nail implanting device |
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| CN (1) | CN212326481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238036A1 (en) * | 2020-05-29 | 2021-12-02 | 迈特锐吉(北京)医疗科技有限公司 | Fastening nail, fastening nail implanting device and medical instrument |
-
2020
- 2020-05-29 CN CN202020962223.7U patent/CN212326481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238036A1 (en) * | 2020-05-29 | 2021-12-02 | 迈特锐吉(北京)医疗科技有限公司 | Fastening nail, fastening nail implanting device and medical instrument |
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Effective date of registration: 20221013 Address after: No. 2, Chuangye Road, Jiangsu Yangtze River International Metallurgical Industrial Park (Jinfeng Town), Zhangjiagang City, Suzhou City, Jiangsu Province, 215600 Patentee after: Kerimaj (Suzhou) Medical Technology Co.,Ltd. Address before: 102600 No.11, 3rd floor, building 1, 25 Yongxing Road, Daxing biomedical industrial base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee before: Metregel (Beijing) Medical Technology Co.,Ltd. |