阅读说明：本技术 骨折外固定针的固定器 (Fixator for external fixing needle of fracture ) 是由 叶中权 于 2019-03-12 设计创作，主要内容包括：本发明公开了一种骨折外固定针的固定器,至少由一基板及一第一盖板对合组成,用以紧夹露出患者皮肤外的各外固定针外缘；其中该基板与该第一盖板的对合面上含有多个沟槽,并且至少两沟槽不平行,以导引不同的外固定针以不同角度穿入患者骨折处。(The invention discloses a fixer of external fixation needles for fracture, which is formed by involution of at least one base plate and a first cover plate and is used for tightly clamping the outer edges of the external fixation needles exposed out of the skin of a patient; wherein the matching surface of the base plate and the first cover plate is provided with a plurality of grooves, and at least two grooves are not parallel so as to guide different external fixing needles to penetrate into the fracture of the patient at different angles.)

1. A fixer for external fixing needle for fracture is composed of a base plate and a first cover plate, which are combined together to clamp the external edges of external fixing needles exposed out of patient's skin, and a plurality of slots on the combined surface of base plate and first cover plate.

2. The external bone fracture fixation pin fixator of claim 1, wherein the mating surfaces of the base plate and the first cover plate pass through at least two planes.

3. The external fixation pin fixture for bone fracture as claimed in claim 1, wherein the groove has an arc or wave shape in cross section to allow the external fixation pin to be wholly or partially sunk therein.

4. The fixator for an external fixation needle for bone fracture according to claim 1, further comprising: the guiding device has several guiding holes for guiding the outer fixing pins to penetrate into the bone and the ends of the guiding pins are set in the grooves on the joint surface of the base board and the first cover board.

5. The external fixation pin fixture of claim 4, wherein the axes of at least two of the guide holes are not parallel.

6. The fixator for an external fixation needle for bone fracture according to claim 1, comprising: the two ends of the substrate are respectively provided with a connecting part; the first cover plate is oppositely combined on the substrate; a first wing part connected to the connecting part at the first end of the substrate; the second cover plate is oppositely combined on the first wing part so as to tightly clamp the outer fixing needle which is exposed out of the skin of the patient with the first wing part; a second wing part connected to the connecting part at the second end of the substrate; and a third cover plate, involuted on the second wing part, so as to clamp the external fixing needle exposed out of the skin of the patient with the second wing part; wherein the involutive surface of the base plate and the first cover plate, the involutive surface of the first wing part and the second cover plate and the involutive surface of the second wing part and the third cover plate are respectively provided with a plurality of grooves, and at least two grooves are not parallel so as to guide different external fixation needles to penetrate into the fracture part of the patient at different angles.

7. The external fixation pin fixture of claim 6, wherein the first and second wing parts are slidably disposed on the connecting parts at the two ends of the base plate.

8. The external fixator of claim 6 wherein the first and second wings are pivotally connected to the connecting portions at the two ends of the base plate.

9. The external fixation pin fixture for bone fracture as claimed in claim 6, wherein at least one of the connection portions of the base plate is a slot, and the first wing portion or the second wing portion is inserted through the slot-shaped connection portion by a bolt or a shaft to adjust its position along the connection portion and to be fastened to the base plate.

10. The fixator for an external fixation needle for bone fracture according to claim 6, further comprising: a guiding device with several guiding holes to guide the external fixing needle into the skeleton and make the end of each guiding fixing needle be on the matching surface of the base plate, the first wing part, the second wing part, the first cover plate, the second cover plate and the third cover plate.

Technical Field

The invention relates to a fixator of an external fracture fixing needle.

Background

At present, the treatment method of the affected part of the patient after fracture is to reform the fractured bone and fix the bone to heal the fractured part again.

At present, there are two kinds of internal fixation and external fixation for fixing a fracture, the internal fixation is a method in which a metal plate or the like is attached to the fracture, a fractured bone is fixed by a screw or the like, and then the skin is sutured, but although the fracture can be reformed reliably, most patients must perform one more operation to remove the fixation plate after the fracture is healed, and the above-mentioned disadvantages of the internal fixation are revealed.

The external fixation of the fracture usually reforms the fractured bone, and coats a layer of plaster on the skin, and fixes the affected part by hard plaster, thereby avoiding the displacement of the fractured bone and achieving the purpose of healing the affected part, however, after the fracture of the human body, the affected part usually swells, and the plaster coated at the moment is hardened and formed along with the swollen affected part, but after a period of time, the affected part of the patient begins to gradually swell, and at the moment, the plaster originally used for fixation can not tightly coat and fix the affected part, so that the fractured affected part which is not completely healed can be displaced, and the healing effect is influenced.

Therefore, a method and a device for external fixation of fracture without using plaster are disclosed, as shown in the chinese patent application No. 200780035041.2, the disclosed method is to use a device having a plurality of pre-drilled holes on the outer part of the skin of the affected part, guide the front end of a Pin (Pin, or outer fixation nail) to pass through by the pre-drilled holes, insert the front end of the Pin into the fractured bone, fix the fractured bone, and the rear end of the Pin has a screw thread part, which can be twisted into the device to obtain fixation; however, the diameter of the pin is extremely small, and in order to twist the threaded portion of the pin into the tool, the fine thread is extremely liable to break, which results in damage to the anchor or pin to be fixed, in addition to requiring a great deal of effort, and thus there is a need for improvement.

Disclosure of Invention

The present invention aims at providing a fixer for external fixation pins for fracture, which is composed of at least a base plate and a first cover plate, and is used for tightly clamping the outer edge of each external fixation pin exposed out of the skin of a patient. The matching surface of the base plate and the first cover plate is provided with a plurality of corresponding grooves, and at least two grooves are not parallel to form an included angle so as to guide different external fixing needles to penetrate into the fracture of the patient at different angles.

The fixator of the external fracture fixing needle disclosed by the invention further comprises: and the guiding device is provided with a plurality of guiding holes in a penetrating way and is used for respectively guiding the outer fixing needles to penetrate into the bone, and the tail sections of the guided outer fixing needles are positioned in one group of grooves on the matching surface of the base plate and the first cover plate so as to tightly clamp and fix the base plate and the first cover plate in a matching way. The base plate and the first cover plate can be mutually locked and fixed by screws or bolts.

The invention discloses a fixer of external fixing needle for fracture, which comprises: the two ends of the substrate are respectively provided with a connecting part; the first cover plate is jointed on the base plate; a first wing part connected to the connecting part at the first end of the substrate; the second cover plate is oppositely combined on the first wing part so as to tightly clamp the outer fixing needle which is exposed out of the skin of the patient with the first wing part; a second wing part connected to the connecting part at the second end of the substrate; and a third cover plate, involuted on the second wing part, so as to clamp the external fixing needle exposed out of the skin of the patient with the second wing part; the involution surfaces of the base plate and the first cover plate, the involution surfaces of the first wing part and the second cover plate and the involution surfaces of the second wing part and the third cover plate are respectively provided with a plurality of corresponding grooves, and at least two grooves are not parallel and can form an included angle so as to guide different external fixing needles to penetrate into the fracture part of the patient at different angles.

The invention discloses a fixer of a fracture external fixation needle, wherein a first wing part and a second wing part are respectively arranged on connecting parts at two ends of a substrate in a sliding way.

The first wing part and the second wing part can be respectively pivoted on the connecting parts at the two ends of the base plate.

The invention discloses a fixer of a fracture external fixation needle, wherein connecting parts at two ends of a base plate are respectively provided with a through hole, and a first wing part and a second wing part are respectively locked and fixed on the base plate after penetrating through the connecting parts at two ends of a base part by a bolt; thus, the first wing part and the second wing part can be adjusted in angle and position on the base plate in a rotating way.

The invention discloses a fixer of a fracture external fixation needle, wherein at least one connecting part on a base plate is a long hole, and a bolt penetrates through the connecting part in the shape of the long hole by the first wing part or the second wing part so as to adjust the position along the displacement of the connecting part and fasten the connecting part on the base plate.

The invention discloses a fixer of an external fixation needle for fracture, wherein at least two guide holes of the guider are positioned on different planes or are not parallel to each other so as to respectively guide the external fixation needle to be inserted into fractured bones of a patient in different planes and angles.

The invention discloses a fixer of an external fixation needle for fracture, wherein the center of each guide hole of a guide is respectively aligned with the matching surface of a base plate and a first cover plate, or aligned with the matching surface of the base plate, a first wing part, a second wing part and a first cover plate, a second cover plate and a third cover plate. The tail end of each external fixing needle guided by the invention can be positioned on the matching surfaces of the aligned base plate, the first wing part, the second wing part, the first cover plate, the second cover plate and the third cover plate, so as to be clamped and fixed smoothly. Because each external fixing needle is guided by the guider, the external fixing nails exposed out of the patient body are arranged according to a certain mode and can be clamped and fixed by the fixer, so that the installation of the external fixing needles is standardized, the technical level of the operation is reduced, and the steps and the time for fixing each external fixing needle are simplified.

The external fixation pin fixer for fracture according to the present invention will be apparent from the following description and the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1: is an exploded schematic view of the first embodiment of the present invention.

FIG. 2: is a perspective view showing that the fixator of the present invention fixes each external fixation pin.

FIG. 3: is a front view schematic of fig. 2.

FIG. 4: is a schematic diagram showing the guide of the guide and the penetration of the external fixing needle into the fracture.

FIG. 5: is a front view schematic diagram of the introducer of the invention.

FIG. 6: is a front view schematic of the holder of the present invention.

FIG. 7: is a perspective view of the second embodiment of the fixator of the present invention.

FIG. 8: is a front view schematic of a second embodiment of the introducer disclosed herein.

FIG. 9; is a front view of the holder shown in fig. 7.

FIG. 10: is an exploded perspective view of a third embodiment of the anchor of the present invention.

FIG. 11: is a perspective view of fig. 10 assembled.

FIG. 12: is a front view schematic of fig. 11.

Description of reference numerals:

(11) (11') grooves on mating surfaces (111) of substrate (110)

(112) Grooves of the first cover plate (121) of the connecting parts (12) (12

(120) Guide hole of guide (131) of involution surface (13)

(14) The first wing part (140) is opposite to the groove of the surface (141)

(15) The groove of the mating surface (151) of the second cover plate (150)

(16) Second wing (160) mating face (161) groove

(17) The groove of the mating surface (171) of the third cover plate (170)

(18) Bolt or shaft (F1) (F2) (F3) plane (B) bone

(N) external fixation needle

Detailed Description

Referring to fig. 1 to 3, the present invention relates to a fixator for external fixation pins for fracture, which at least comprises a base plate 11 and a first cover plate 12, which are assembled together to tightly clamp the outer edges of the external fixation pins N exposed out of the skin of a patient; wherein the mating surfaces 110, 120 of the base plate 11 and the first cover plate 12 respectively have a plurality of grooves 111, 121, and at least two grooves 111, 121 on the base plate 11 or the first cover plate 12 are not parallel to each other, so as to form an included angle a, thereby guiding different external fixation pins N to penetrate into the fracture of the patient at different angles.

The cross-section of the grooves 111, 121 is arc-shaped or wave-shaped, so that the outer fixing pins are wholly or partially sunk into the grooves, and therefore the outer fixing pins N do not jump out of the clamping between the base plate 11 and the first cover plate 12 due to external force, and in addition, as shown in fig. 3, because the outer fixing pins N are clamped between the base plate 11 and the first cover plate 12 at various angles, the base plate 11 and the first cover plate 12 cannot slide left and right, so that the positions of the outer fixing pins N can be effectively limited, the fracture part can be stably and stably positioned, and a patient can obtain a good recovery environment.

As shown in fig. 4 and 5, the fastener disclosed in the present invention further comprises: a guiding device 13, having a plurality of guiding holes 131 penetrating therethrough, for respectively guiding the external fixing pins N to penetrate into the bone B, and making the guided distal end of each external fixing pin N be located in one set of corresponding grooves 111, 121 on the mating surface of the base plate 11 and the first cover plate 12, so as to tightly clamp and fix the base plate 11 and the first cover plate 12 in a mating manner.

The axial lines of at least two guiding holes 131 of the guiding device 13 are not parallel to each other, so as to guide the external fixation needle to penetrate into the bone at different angles.

As shown in FIGS. 10 to 12, the external fixation pin for fracture according to the present invention comprises: the substrate 11' has two ends respectively provided with a connecting portion 112; the first cover plate 12 'is opposite to the base plate 11'; a first wing 14 connected to the connecting portion 112 at the first end of the substrate 11'; a second cover plate 15, which is coupled to the first wing 14 to clamp the external fixing needle N exposed from the skin of the patient with the first wing 14; a second wing portion 16 connected to the connecting portion 112 at the second end of the base plate 11'; and a third cover 17, which is fitted on the second wing 16 to clamp the external fixing needle N exposed from the skin of the patient with the second wing 16. Wherein the mating surfaces 110 and 120 of the substrate 11 'and the first cover 12', the mating surfaces 140 and 150 of the first wing 14 and the second cover 15, and the mating surfaces 160 and 170 of the second wing 16 and the third cover 17 are respectively a plurality of grooves 111 and 121; 141. 151, and (b); 161. 171 and having at least two grooves 111, 121; 141. 151, and (b); 161. 171 are non-parallel to guide different external fixation pins at different angles through the fracture of the patient.

As shown in fig. 10 to 12, the first wing part 14 and the second wing part 16 of the external fixation pin for fracture disclosed in the present invention are slidably disposed on the connecting parts 112 at two ends of the base plate 11'.

As shown in fig. 10 to 12, the first wing part 14 and the second wing part 16 of the external fixation pin for fracture according to the present invention are pivoted to the connection parts at the two ends of the base plate 11'.

As shown in fig. 10 and 12, the connecting portions 112 at the two ends of the base plate 11' are through holes respectively, so that the first wing portion 14 and the second wing portion 16 are locked and fixed on the base plate after a bolt is respectively inserted through the connecting portions at the two ends of the base portion; such that the first wing part 14 and the second wing part 16 can be adjusted in angle and position on the base plate 11' in a rotating manner.

Referring to fig. 10 and 12, in the external fixation pin fixture for bone fracture according to the present invention, at least one connection portion 112 of the base plate 11 'is a long hole, and a bolt or a shaft 18 is inserted through the long hole-shaped connection portion 112 to adjust the position of the first wing portion 14 or the second wing portion 16 along the connection portion 112, and the first wing portion or the second wing portion is fastened to the base plate 11'.

As shown in fig. 5, the fixator for external fixation pins for fracture according to the present invention is disclosed, wherein the guide 13 has at least two guide holes 131 located on different planes F1, F2, so as to guide the external fixation pins N to be inserted into the fractured bone of the patient at different planes and angles, respectively; as shown in fig. 6, the mating surfaces 110 and 120 of the base plate 11 and the first cover plate 12 at least pass through two planes F1 and F2, or two planes F1 and F2 aligned to fit the guiding holes 131 of the guide 13. At least two guiding holes 131 in the guiding holes 131 of the guiding device 13 can be not parallel or have an included angle with the axial line, so that the external fixing needles N can be inserted into the fractured bone of the patient at different angles, and the fixing effect is improved.

As shown in fig. 8, the present invention makes it possible for the introducer 13' to have at least a plurality of guide holes 131 located on three different planes F1, F2, F3, so as to guide the external fixation needle N to be inserted into the fractured bone of the patient at different planes and angles, respectively; the mating surfaces 110 and 120 of the base plate 11a and the first cover plate 12a can pass through three or more planes F1, F2, F3; as shown in fig. 7, 8 and 9, the mating surfaces 110 and 120 of the base plate 11a and the first cover plate 12a are matched with three planes F1, F2 and F3 in which the guide holes 131 of the guide 13' are arranged, but the invention is not limited to the arrangement of the guide holes 131.

Referring to fig. 1, the center of each guiding hole 131 of the guider 13 is aligned with the grooves 111, 121 of the mating surfaces 110, 120 of the base plate 11 and the first cover plate 12 respectively; or the grooves 111, 121 of the mating surfaces 110, 140, 160, 120, 150, 170 of the base plate 11 ', the first wing 14, the second wing 16, and the first cover plate 12 ', the second cover plate 15, the third cover plate 12 ', 15, 17, respectively; 141. 151, and (b); 161. 171. The tail sections of the outer fixing needles N guided by the invention are smoothly clamped and fixed; since each of the outer fixing pins N is guided by the guide 13, 13', the outer fixing pins N exposed outside the patient are arranged in a certain manner, so that the installation of the outer fixing pins is standardized, the technical level of the operation is reduced, and the steps and time for fixing each of the outer fixing pins are simplified, thereby showing the novelty of the present invention.

As shown in FIGS. 1-3, the present invention can be applied to the fracture of wrist and ankle …, as shown in FIGS. 1 and 2, one or two external fixation needles N may be inserted into the bone B of the patient after passing through a guide hole 131 of the introducer 13, respectively, to position the introducer 13, then, the external fixing nails N are inserted into the proper guiding holes 131 provided by the guiding device 13, and each external fixing needle N is inserted into the bone B of the fracture part to fix the bone of the fracture part in the overlapped state, then, the guide 13 can be destroyed by scissors or a blade, and can be taken out from a plurality of external fixing pins N without being destroyed, at this time, as shown in fig. 1 and 2, the base plate 11 and the first cover plate 12 shown in the invention can be mutually involuted, and the base plate 11 is locked tightly by screws to the first cover plate 12, so as to tightly clamp the end sections of the external fixing pins N exposed out of the patient; since the outer pins N are guided by the guide 13, the arrangement position and angle of the outer pins N are aligned with the position of one of the grooves 111, 121 of the base plate 11 and the first cover plate 12 according to the predetermined position, so that the operator does not need to arrange the outer pins N one by one, thereby simplifying the installation process and time.

The present invention can be modified in the structure and shape without departing from the spirit and scope of the present invention, and the present invention is not limited thereto.