CN217186380U - Rod holding handle and rod holding device - Google Patents

Abstract

The utility model relates to a hold excellent handle, hold excellent handle including holding section and linkage segment, the linkage segment passes through slewing mechanism and holds the section rotation and be connected, and the linkage segment is configured to be used for connecting and holds excellent end, puts the in-process of excellent operation to the connective bar, utilizes slewing mechanism control linkage segment to rotate for holding the section. In the control linkage segment carries out pivoted in-process for holding the section, the connective bar can rotate along with the rotation of linkage segment, and then control effectively the position and the angle etc. of connective bar, make the connective bar implant in the human tissue smoothly, and then accomplish the operation of putting the stick, rotate and then put the in-process of stick at the control linkage segment for holding the section, because the section of holding the stick handle can keep static, only need rotate the linkage segment, so in the whole operation of putting the stick, it can not take place to interfere with other apparatus that use simultaneously to hold the section, can solve the problem of holding the stick handle and interfering with other apparatus effectively, reduce the risk of operation.

Description

Rod holding handle and rod holding device

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to a hold excellent handle and hold excellent device.

Background

With the aging population, the spine trauma and diseases are on the trend of increasing year by year, and through years of clinical research, the spine nail rod internal fixing system becomes a mature spine surgical medical instrument and can be widely applied to the treatment of spine injuries and related spine diseases.

At present, the backbone minimal access instrument that uses among the operation process need select suitable connective bar, installs the connective bar in the U type groove of pedicle of vertebral arch screw, at this in-process, can use the installation of accomplishing the connective bar such as holding the excellent device usually, holds the excellent tail that excellent device can lock the connective bar, realizes holding the connective bar, then the direction and the position of control connective bar.

However, when the connecting rod is inserted into a target position such as subcutaneous tissue, and the rod pressing operation is performed by the rod pressing device, the rod placing device, the rod pressing device, and other associated instruments are simultaneously operated, and interference between the instruments at the target position is likely to occur, which hinders the adjustment of the direction and position of the connecting rod.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a rod holding handle and a rod holding device, which are directed to a technical problem that interference between respective instruments is likely to occur when a connecting rod is inserted.

The utility model provides a hold excellent handle, hold excellent handle and include:

a grip section;

the connecting section is rotationally connected with the holding section through a rotating mechanism, and the connecting section is configured to be used for connecting a holding rod end head.

In one embodiment, the rotation mechanism includes:

a first rotating member disposed on the grip section;

the second rotating piece is arranged on the connecting section, and the first rotating piece is rotatably connected with the second rotating piece.

In one embodiment, the first rotating member is provided with an annular track groove, the second rotating member is provided with an annular protrusion, the annular protrusion is rotatably assembled in the annular track groove, and the first rotating member and the second rotating member are rotatably connected through the annular track groove and the annular protrusion; or,

the first rotating part is provided with an annular protrusion, the second rotating part is provided with an annular track groove, the annular protrusion is rotatably assembled in the annular track groove, and the first rotating part and the second rotating part are connected in a rotating mode through the annular track groove and the annular protrusion.

In one embodiment, the first rotating member is provided with a rotating step, the second rotating member is provided with a rotating groove, and the rotating step and the rotating groove are in rotating fit; or,

the first rotating piece is provided with a rotating groove, the second rotating piece is provided with a rotating step, and the rotating step is matched with the rotating groove in a rotating mode.

In one embodiment, the annular protrusion is located on the rotation step, and the annular track groove is located on the rotation groove; or,

the annular protrusion is located on the rotating groove, and the annular track groove is located on the rotating step.

In one embodiment, the wand handle comprises:

a locking mechanism provided on the rotating mechanism, the locking mechanism being configured to lock relative positions of the first rotating member and the second rotating member.

In one embodiment, the locking mechanism comprises:

the locking piece is provided with external threads; first locking hole has been seted up to the first rotation piece, second rotation piece has been seted up the second and has been locked the hole, first locking hole with at least one of second locking hole has the internal thread, the retaining member wears to locate first locking hole with second locking hole.

In one embodiment, the wand handle comprises:

a positioning mechanism provided on the rotating mechanism, the positioning mechanism being configured to restrict relative rotation of the first rotating member and the second rotating member at a predetermined rotation angle of the rotating mechanism.

In one embodiment, the positioning mechanism comprises:

the positioning device comprises at least one positioning groove arranged on the first rotating piece and at least one positioning piece arranged on the second rotating piece, wherein the positioning groove and the positioning piece are in relative positioning fit; or,

the positioning device comprises at least one positioning piece arranged on the first rotating piece and at least one positioning groove arranged on the second rotating piece, wherein the positioning groove is matched with the positioning piece in a relatively positioning mode.

In one embodiment, the positioning grooves and the positioning pieces are multiple, and the positioning grooves and the positioning pieces are all arranged in an annular circumferential direction;

and/or the presence of a gas in the gas,

the positioning piece is an elastic piece, and the elastic piece is in elastic splicing fit with the positioning groove.

The utility model also provides a hold excellent device, include:

a rod holding end;

the rod holding handle is connected with the rod holding end.

Above-mentioned hold excellent handle and hold excellent device, control the linkage segment and carry out the pivoted in-process for holding the section, the linkage rod can rotate along with the rotation of linkage segment, and then control effectively position and the angle etc. of linkage rod, make the linkage rod implant in human tissue smoothly, and then accomplish the operation of putting the stick, rotate and then put the in-process of stick relatively holding the section in control linkage segment, because the section of holding excellent handle can keep static, only need rotate the linkage segment, so in the operation of whole stick of putting, it can not take place to interfere with other apparatus that use simultaneously to hold the section, can solve effectively and hold the problem that excellent handle interfered with other apparatus, reduce the risk of operation.

Drawings

Fig. 1 is a front view of a rod holding device provided in an embodiment of the present invention;

fig. 2 is a side view of a rod holder provided in an embodiment of the present invention;

fig. 3 is an exploded view of a rod holding device provided in an embodiment of the present invention;

fig. 4 is an exploded view of a rotation mechanism provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a positioning element according to an embodiment of the present invention.

Reference numbers:

100. a grip section; 200. a connecting section; 300. a rotating mechanism; 400. a locking mechanism; 500. a positioning mechanism; 600. a rod holding end;

310. a first rotating member; 320. a second rotating member; 330. rotating the step; 340. rotating the groove; 350. an annular track groove;

410. a locking member; 420. a first locking hole; 430. a second locking hole;

510. positioning a groove; 520. a positioning member;

521. a spring; 522. and (4) ejecting the head.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 4, fig. 1 to 4 show a rod holding device in an embodiment of the present invention, the rod holding device includes a rod holding end 600 and a rod holding handle, the rod holding handle is connected to the rod holding end 600, and the rod holding end 600 can be used to hold a connecting rod, so as to satisfy the operation of opposite connecting rods. Wherein, refer to the utility model discloses a stick handle that an embodiment provided, stick handle includes and holds section 100 and linkage segment 200, linkage segment 200 through slewing mechanism 300 with it rotates to hold section 100 and is connected, linkage segment 200 is configured to be used for connecting and holds excellent end 600, holds behind the fixed connection stick on excellent end 600, and in the in-process of putting the excellent operation to the connective rod, can make and hold section 100 and keep relative static, control slewing mechanism 300 and implement the rotation motion, utilize slewing mechanism 300 to control linkage segment 200 and rotate for holding section 100, adjust linkage segment 200 for the turned angle who holds section 100, make linkage segment 200 have different rotation contained angles for holding section 100.

In the process of controlling the connection section 200 to rotate relative to the holding section 100, the connection rod can rotate along with the rotation of the connection section 200, and further the position, the angle and the like of the connection rod are effectively controlled, so that the connection rod can be smoothly implanted into human tissues, and further the operation of rod placement is completed, in the process of controlling the connection section 200 to rotate relative to the holding section 100 and further the rod placement, because the holding section 100 of the rod holding handle can be kept static, only the connection section 200 needs to be rotated, in the whole operation of rod placement, the holding section 100 cannot interfere with other instruments used simultaneously, the problem of interference between the rod holding handle and other instruments can be effectively solved, and the risk of operation is reduced.

The rotating mechanism 300 may adopt various structural forms, and meanwhile, the rotating mechanism 300 may also meet the requirement of multi-directional and multi-angle rotation between the holding section 100 and the connecting section 200 according to the requirement, for example, the rotating mechanism 300 may adopt a universal joint, and then the connecting section 200 may realize universal rotation relative to the holding section 100, or the rotating mechanism 300 may define a predetermined rotating direction to implement a specific rotating action in a targeted manner, and a person skilled in the art may select according to the requirement, which is not limited herein.

In one embodiment, the rotating mechanism 300 may include a first rotating member 310 and a second rotating member 320, the first rotating member 310 is disposed on the grip section 100, the second rotating member 320 is disposed on the connection section 200, the first rotating member 310 and the second rotating member 320 are rotatably connected, and the rotation of the connection section 200 relative to the grip section 100 may be achieved by the rotation between the first rotating member 310 and the second rotating member 320, wherein the first rotating member 310 may be disposed at any position of the connection section 200, for example, the first rotating member 310 is disposed at the distal end of the connection section 200, and the second rotating member 320 may be disposed at any position of the grip section 100, for example, the second rotating member 320 is disposed at the proximal end of the grip section 100, so that the proximal end of the connection section 200 may be rotatably connected with the distal end of the grip section 100.

The first rotating member 310 and the second rotating member 320 may have the same or different structural forms, as long as the first rotating member 310 and the second rotating member 320 can be assembled in a rotating manner, the first rotating member 310 and the second rotating member 320 may all have the same structural form such as a disc shape, a spherical shape, a columnar shape, a block shape, or the first rotating member 310 and the second rotating member 320 may have the same structural form such as a spherical shape and a circular groove, respectively, the spherical shape and the circular groove may be assembled in a rotating manner to achieve universal rotation, and when the first rotating member 310 and the second rotating member 320 have different rotating functions,

the predetermined rotation direction of the rotating mechanism 300 may be one or more, for example, in one embodiment, the rotating mechanism 300 has one or more reference axes, when the reference axes are one, the reference axes may be defined to be perpendicular to the holding section 100 and the connecting section 200, and the first rotating member 310 and the second rotating member 320 are rotated around the reference axes, so that the connecting section 200 and the holding section 100 can be rotated around the first rotating member 310 and the second rotating member 320 to achieve a relative opening or closing rotation effect, and the motion of the connecting rod is adjusted in the predetermined rotation direction. The reference axis of the fixed shaft rotation can be implemented by using a rotating shaft or the like, for example, when there are corresponding rotating shafts and shaft holes between the first rotating member 310 and the second rotating member 320, the first rotating member 310 and the second rotating member 320 can form a rotating fit of the fixed shaft rotation through the rotating shafts and the shaft holes, besides, those skilled in the art can select other rotating assembly modes according to requirements to implement the fixed shaft rotating assembly between the first rotating member 310 and the second rotating member 320, and the invention is not limited herein.

In one embodiment, the first rotating member 310 and the second rotating member 320 may be respectively provided with a rotating step 330 and a rotating groove 340, for example, the first rotating member 310 is provided with the rotating step 330, the second rotating member 320 is provided with the rotating groove 340, or the second rotating member 320 is provided with the rotating step 330, and the first rotating member 310 is provided with the rotating groove 340, wherein the rotating step 330 and the rotating groove 340 may be rotatably engaged along the reference axis.

The rotation between the first rotating member 310 and the second rotating member 320 directly determines the rotation between the grip section 100 and the connection section 200, the rotational stability between the first rotating member 310 and the second rotating member 320 has an influence on the safety of the operation, a restriction structure for improving rotational stability of the first rotating member 310 and the second rotating member 320 may be provided therebetween, for example, in one embodiment, the first rotating member 310 and the second rotating member 320 are respectively provided with an annular track groove 350 and an annular protrusion, for example, the first rotating member 310 is provided with an annular track groove 350, the second rotating member 320 is provided with an annular projection, alternatively, the second rotating member 320 is provided with an annular track groove 350, the first rotating member 310 is provided with an annular projection, the rotational engagement between the first rotating member 310 and the second rotating member 320 is accomplished when the annular projection and the annular track groove 350 form a sliding engagement.

The annular track groove 350 and the annular protrusion may circumferentially surround the reference axis, for example, the annular track groove 350 and the annular protrusion have two planes, the reference axis is perpendicular to the two planes of the annular track groove 350 and the annular protrusion, and the reference axis may serve as a central axis of the annular track groove 350 and the annular protrusion, at this time, the annular track groove 350 and the annular protrusion are rotationally matched along the reference axis, and the sliding of the annular protrusion relative to the annular track groove 350 may form a limit for the rotation of the fixed shaft between the first rotating member 310 and the second rotating member 320, so that the first rotating member 310 and the second rotating member 320 are more stable during the rotation of the fixed shaft, and the safety of the operation is improved.

The annular protrusion and the annular track groove 350 may be disposed at suitable positions on the connecting section 200, the holding section 100 or the rotating mechanism 300 according to requirements, in one embodiment, the annular protrusion and the annular track groove 350 are respectively located on the rotating step 330 and the rotating groove 340, for example, the annular protrusion is located on the rotating step 330, the annular track groove 350 is located on the rotating groove 340, or the annular track groove 350 is located on the rotating step 330, and the annular protrusion is located on the rotating groove 340, so that the rotating step 330 and the rotating groove 340 can promote the first rotating member 310 and the second rotating member 320 to form a fixed-axis rotating assembly structure, and the annular protrusion and the annular track groove 350 can form a fixed-axis rotating limiting function while the rotating step 330 and the rotating groove 340 are rotatably engaged, the stable rotation of the rotation step 330 and the rotation recess 340 is ensured, and the rotation stability of the first rotation member 310 and the second rotation member 320 is improved.

The rotating mechanism 300 has a rotating function, and can realize the rotation between the first rotating member 310 and the second rotating member 320, so as to adjust the rotating angle of the connecting section 200 relative to the holding section 100, when the connecting section 200 has a required rotating angle relative to the holding section 100, the rotating mechanism 300 needs to maintain the current rotating state, and therefore needs to lock the rotating mechanism 300, for example, in one embodiment, the rod-holding handle may include a locking mechanism 400, the locking mechanism 400 is disposed on the rotating mechanism 300, and the locking mechanism 400 may be configured to lock the relative positions of the first rotating member 310 and the second rotating member 320.

The locking mechanism 400 can be implemented in any structure, for example, the locking mechanism 400 can be implemented in a threaded structure, a snap structure, a magnetic structure, etc., in one embodiment, the locking mechanism 400 can include a locking member 410, the locking member 410 has an external thread and is matched with the locking member 410, the first rotating member 310 needs to be provided with a first locking hole 420, the second rotating member 320 needs to be provided with a second locking hole 430, so that the locking member 410 can be simultaneously inserted into the first locking hole 420 and the second locking hole 430, and at least one of the first locking hole 420 and the second locking hole 430 has an internal thread, for example, the first locking hole 420 has an internal thread and the second locking hole 430 has an internal thread, or the first locking hole 420 and the second locking hole 430 have an internal thread and are matched with the external thread on the locking member 410, the distance between the first rotating member 310 and the second rotating member 320 can be adjusted by a screw thread, and further when the distance between the first rotating member 310 and the second rotating member 320 is gradually close to each other, the first rotating member 310 and the second rotating member 320 are in friction contact, and the rotation of the first rotating member 310 and the second rotating member 320 is limited by friction force, at this time, the first rotating member 310 and the second rotating member 320 cannot move away from or close to each other relatively, and the first rotating member 310 and the second rotating member 320 cannot rotate relatively, so that the movement of the first rotating member 310 and the second rotating member 320 is limited, and the locking between the first rotating member 310 and the second rotating member 320 is realized.

In one embodiment, the rod-holding handle includes a positioning mechanism 500, the positioning mechanism 500 is disposed on the rotating mechanism 300, the positioning mechanism 500 is configured to limit the relative rotation of the first rotating member 310 and the second rotating member 320 at a predetermined rotation angle of the rotating mechanism 300, for example, if the connecting section 200 needs to be rotated to a predetermined rotation angle relative to the holding section 100 during a surgical procedure, the holding section 100 remains relatively stationary, and the connecting section 200 can be rotated by a predetermined angle through the rotating mechanism 300, so that the positioning mechanism 500 limits the first rotating member 310 and the second rotating member 320 at a predetermined rotation position, which helps to adjust the rotation angle of the connecting section 200 relative to the holding section 100, and can achieve both rapid rotation and accuracy of the rotation angle.

The positioning mechanism 500 may take any structure, in one embodiment, the positioning mechanism 500 includes at least one positioning slot 510 and at least one positioning element 520 respectively disposed on the first rotating member 310 and the second rotating member 320, the positioning slot 510 and the positioning element 520 are in relative positioning engagement, for example, the first rotating member 310 is provided with a positioning slot 510, the second rotating member 320 is provided with a positioning element 520, or the second rotating member 320 is provided with a positioning slot 510, the first rotating member 310 is provided with a positioning element 520, when the first rotating member 310 and the second rotating member 320 rotate to a predetermined angle, the positioning member 520 can be engaged in the positioning slot 510, therefore, the relative rotation of the first rotating member 310 and the second rotating member 320 is limited, and the first rotating member 310 and the second rotating member 320 are positioned to the current rotation angle, so that the requirement on the rotation angle in the rod placing process is met.

In one of them embodiment, the constant head tank 510 with the setting element 520 is a plurality of, and is a plurality of the constant head tank 510 and a plurality of the setting element 520 all is annular circumference setting, for example a plurality of the constant head tank 510 and a plurality of the setting element 520 circumference is around the benchmark axis, therefore the stability of location can be improved to the joint of a plurality of setting elements 520 and constant head tank 510, wherein, the setting element 520 can be the elastic component, the elastic component with the constant head tank 510 can form the elasticity cooperation of pegging graft, and the elastic component can adopt itself to possess the material preparation of elasticity effect, or can adopt elasticity and non-elastic component equipment to constitute, for example as shown in fig. 5, can adopt spring 521 and top 522 to connect the cooperation and constitute the elastic component, and spring 521 applys elastic force to top 522, can drive top elasticity grafting location in the constant head tank 510.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. A wand-holding handle, comprising:

a grip section;

the connecting section is rotationally connected with the holding section through a rotating mechanism, and the connecting section is configured to be used for connecting a holding rod end head.

2. The wand handle of claim 1, wherein the rotation mechanism comprises:

a first rotating member disposed on the grip section;

the second rotating part is arranged on the connecting section, and the first rotating part is rotationally connected with the second rotating part.

3. The stick handle of claim 2, wherein the first rotating member is provided with an annular track groove, the second rotating member is provided with an annular protrusion, the annular protrusion is rotatably fitted in the annular track groove, and the first rotating member and the second rotating member are rotatably connected through the annular track groove and the annular protrusion; or,

the first rotating part is provided with an annular protrusion, the second rotating part is provided with an annular track groove, the annular protrusion is rotatably assembled in the annular track groove, and the first rotating part and the second rotating part are connected in a rotating mode through the annular track groove and the annular protrusion.

4. The wand handle of claim 3, wherein the first rotating member is provided with a rotating step, the second rotating member is provided with a rotating groove, and the rotating step and the rotating groove are rotatably engaged; or,

the first rotating piece is provided with a rotating groove, the second rotating piece is provided with a rotating step, and the rotating step is matched with the rotating groove in a rotating mode.

5. The rod holder handle according to claim 4, wherein the annular projection is located on the rotation step, and the annular track groove is located on the rotation groove; or,

the annular protrusion is located on the rotating groove, and the annular track groove is located on the rotating step.

6. The wand handle of claim 2, wherein the wand handle comprises:

a locking mechanism provided on the rotating mechanism, the locking mechanism being configured to lock relative positions of the first rotating member and the second rotating member.

7. The wand handle of claim 6, wherein the locking mechanism comprises:

the locking piece is provided with an external thread; first locking hole has been seted up to the first rotation piece, second rotation piece has been seted up the second and has been locked the hole, first locking hole with at least one of second locking hole has the internal thread, the retaining member wears to locate first locking hole with second locking hole.

8. The wand handle of claim 2, wherein the wand handle comprises:

a positioning mechanism provided on the rotating mechanism, the positioning mechanism being configured to restrict relative rotation of the first rotating member and the second rotating member at a predetermined rotation angle of the rotating mechanism.

9. The wand handle of claim 8, wherein the positioning mechanism comprises:

the positioning device comprises at least one positioning groove arranged on the first rotating piece and at least one positioning piece arranged on the second rotating piece, wherein the positioning groove and the positioning piece are in relative positioning fit; or,

the positioning device comprises at least one positioning piece arranged on the first rotating piece and at least one positioning groove arranged on the second rotating piece, wherein the positioning groove is matched with the positioning piece in a relatively positioning mode.

10. The rod-holding handle according to claim 9, wherein the positioning groove and the positioning member are both plural, and the positioning grooves and the positioning members are all arranged circumferentially in a ring shape;

and/or the presence of a gas in the gas,

the positioning piece is an elastic piece, and the elastic piece is in elastic splicing fit with the positioning groove.

11. A rod holding device, comprising:

a rod holding end;

a rod holder handle according to any one of claims 1 to 10, connected to the rod holder tip.

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