KR20160145299A - Volar plate - Google Patents

Volar plate Download PDF

Info

Publication number
KR20160145299A
KR20160145299A KR1020150081677A KR20150081677A KR20160145299A KR 20160145299 A KR20160145299 A KR 20160145299A KR 1020150081677 A KR1020150081677 A KR 1020150081677A KR 20150081677 A KR20150081677 A KR 20150081677A KR 20160145299 A KR20160145299 A KR 20160145299A
Authority
KR
South Korea
Prior art keywords
head
contact
plate
distal end
radial
Prior art date
Application number
KR1020150081677A
Other languages
Korean (ko)
Inventor
유의식
김재원
장영웅
Original Assignee
주식회사 코렌텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 코렌텍 filed Critical 주식회사 코렌텍
Priority to KR1020150081677A priority Critical patent/KR20160145299A/en
Publication of KR20160145299A publication Critical patent/KR20160145299A/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones

Abstract

The present invention relates to a volar plate comprising a shaft coming in contact with the radius in a longitudinal direction of one side of the radius; and a head formed in a fan shape at one end of the shaft and having a contact surface coming in contact with the outer surface of the distal radius, the contact surface of the head has a complementary shape to the outer surface outline of the distal radius to make the contact surface of the head come in contact with the outer surface of the distal radius to enhance a contact area of the head, thereby improving stability to properly treat radius fracture.

Description

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a volar plate, and more particularly, to improve the surface contact ratio between a bone and a living side plate during distal radius fracture, And the contact surface of the head has a complementary shape to the contour of the outer surface of the distal end of the radial shaft to increase the contact area with the distal end of the radial shaft, The outer surface angle formed by the outer surface with the central axis is greater than or equal to the inner surface angle formed between the inner surface and the central axis so as to conform to the anatomical shape of the distal end, And the contact surface between the head and the shaft is inclined at a predetermined angle when viewed from the inside. And a mark formed by a predetermined length at the intersection of the upper surface and the central axis of the head to allow the surgeon to visually confirm the alignment state of the plate with the anatomical axis of the radial shaft And to improve the convenience and accuracy of the procedure and to allow the plate to be deformed so as to conform to the distal end shape of the patient's radial osteotomy during the operation by providing a bending line on the head, .

Distal radial fracture generally increases with age, and refers to the fracture of the distal end of the radial artery when pressure is concentrated on the distal radial artery when the hand is tilted.

As a method of treating a distal radius fracture, there are an external fixation method and an internal fixation method. Among them, a plate connecting a fracture portion of the radial bone is used as an internal fixation method. As shown in FIGS. 1 and 2, Is formed in the shape of a "T" at one end of the shaft 52 and is formed of a flat metal, not made to match the anatomical shape of the distal end 22 of the radial 2, Since the surgeon must deform the surgeon to conform to the shape of the distal end 22 of the patient's radial artery 2, it takes a long time to operate and it is difficult to deform the plate into an optimal shape to match the anatomical shape of the radial artery.

1 and 2, since the conventional plate 5 is not manufactured in consideration of the water seed line 21 of the distal end portion 22 of the radial 2, There is a case in which the plate 5 invades the water seed line 21 in the course of the operation. In this case, the movement of the joint and the carpal bone, which are connected to the distal end portion 22 of the post- There is a problem that the possibility of postoperative side effects and complications arises.

Conventionally, in order to confirm whether the plate is aligned with the anatomical axis of the radial ankle, the c-arm (x-ray equipment) equipment must be used continuously during the operation, There was a problem.

Registration No. 1008844910000 "Volar fixation system"

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

An object of the present invention is to provide a surgical instrument having a head having a contact surface which is formed in a sector shape at one end of a shaft and which contacts the outer surface of the distal end of the radial shaft and whose contact surface is in contact with the outer surface of the distal end of the radial shaft, Side plate is stably in contact with the distal end of the radius, and the contact surface of the head is widened to enhance the stability.

It is another object of the present invention to provide an image forming apparatus which is provided with an outer side surface in which the head is located in an outward direction and an upper surface that rises upward from one end of the outer surface toward the other end and an inner surface that is located in the inner direction and extends downward from the other end of the upper surface And the upper surface is located below the water seed line so as not to infiltrate the water seed line of the radial, thereby reducing the possibility of postoperative side effects or complications.

It is also an object of the present invention to set the outer surface angle formed by the outer surface with the central axis and the inner surface angle formed by the inner surface with the central axis so that the head conforms to the anatomical shape of the distal end of the radial, And to improve the stability by increasing the contact area.

It is also an object of the present invention to provide an apparatus and a method for correcting an anatomical shape of a distal end of a distal end of a radial shaft, Is provided so as to be inclined at a predetermined angle so as to increase the contact area with the distal end of the radial bone, thereby improving the stability.

It is also an object of the present invention to provide an apparatus and a method for measuring an alignment state of a flight and an anatomical body axis of a radial osteotomy at the time of surgery without using a c-arm device including a mark formed at a crossing point between an upper surface and a central axis. The present invention provides a plate for a living body side which can be visually confirmed and accurately aligned with a plate without using a c-arm device, thereby improving the convenience and accuracy of the procedure.

It is an object of the present invention to provide a surgical instrument which can be easily deformed so as to conform to the shape of the proximal end of the patient's radius, Side plate.

In order to achieve the above object, the present invention is implemented by the following embodiments.

According to one embodiment of the present invention, the water-side plate of the present invention includes: a shaft which is brought into contact with the radial bore along a longitudinal direction of one side of the radial bore; and a plate which is formed in a sector shape at one end of the shaft and which is in contact with the outer surface of the distal end And the contact surface of the head has a shape complementary to the outer contour of the distal end of the distal radius so as to contact the outer surface of the distal end of the distal radius.

According to another aspect of the present invention, there is provided a water-side plate of the present invention, comprising: an outer surface on which the head is located in an outward direction; an upper surface that rises upward from one end of the outer surface toward the other end; And an inner surface extending downward from the other end of the upper surface, wherein the upper surface is located below the water seed line so as not to invade the water seed line of the radial.

According to another embodiment of the present invention, the outer surface angle formed by the outer surface and the central axis such that the head conforms to the anatomical shape of the distal end of the radius, And increasing the contact area so that the stability is improved.

According to another embodiment of the present invention, the water side plate of the present invention is characterized in that the outer side angle is 20 ° to 25 ° and the inner side angle is 17 ° to 20 °.

According to a further embodiment of the present invention, the inventive sheath side plate is such that the contact surface of the head is inclined at an angle to the contact surface of the shaft when viewed in the inward direction, such that the head conforms to the anatomical shape of the distal end of the radial , The contact surface of the head is inclined at a certain angle with the contact surface of the shaft when viewed from the outside direction, thereby improving the stability by increasing the contact area.

According to another embodiment of the present invention, the angle of the contact surface of the head with respect to the contact surface of the shaft is 20 ° to 30 ° when viewed from the inside, and the contact surface of the head, when viewed from the outside, And the angle of contact with the contact surface of the contact surface is 15 ° to 25 °.

According to another embodiment of the present invention, the head side plate of the present invention further comprises a mark formed on the head by a predetermined length downward at an intersection where the central axis intersects with the upper face, So as to be aligned at an accurate position.

According to another embodiment of the present invention, the water side plate of the present invention further includes a tear line on the skirt or contact surface of the head, and the tear line is formed as a groove, And is easily bent so as to abut the outer surface of the end portion.

According to another embodiment of the present invention, the longitudinal side plate of the present invention includes the bent line and the bent line. The bent line is inclined at a slope opposite to the inner side, Is formed to be inclined at an inclination opposite to the outer surface.

According to another embodiment of the present invention, the water side plate of the present invention is characterized in that the mark is formed as a groove and can be easily bent.

The present invention can obtain the following effects by the above-described embodiment, the constitution described below, the combination, and the use relationship.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

The present invention is characterized in that the head is formed in a sector shape at one end of the shaft and has a contact surface tangential to the outer surface of the distal end of the radial shaft and the contact surface of the head is in contact with the outer surface of the distal end of the radial shaft, Side plate is stably brought into contact with the distal end of the radius, and the contact surface of the head is widened to improve the stability.

The present invention is characterized in that the head is defined by an outer surface located in the outer direction, an upper surface rising upward from the one end of the outer surface toward the other end, and an inner surface located in the inner direction and extending downward from the other end of the upper surface, Is positioned below the water seed line so as not to invade the water-seed line of the radial, thereby reducing the possibility of postoperative side-effects or complications.

The present invention sets the outer surface angle formed by the outer surface with the central axis and the inner surface angle formed by the inner surface with the central axis so that the head conforms to the anatomical shape of the distal end of the radial and increases the contact area of the distal end of the radial , There is an advantage of improving the stability.

The present invention is based on the idea that the contact surface of the head and the shaft is inclined at a certain angle as viewed from the inner side so that the head conforms to the anatomical shape of the distal end of the radial and the contact surface between the contact surface of the head and the shaft, Thereby increasing the contact area with the distal end of the radial bone, thereby improving the stability.

The present invention includes a mark formed by a predetermined length at the intersection of the upper surface and the central axis so that the surgeon can visually confirm the alignment state of the anatomical body axis of the radial and the flight without using the c- So that the plate is accurately aligned with the radial bore without using the c-arm device, thereby improving the convenience and accuracy of the procedure.

The present invention can easily deform the plate so as to conform to the shape of the proximal end of the patient's radial osteotomy, thereby reducing the operability and the operation time.

1 to 2 are perspective views of a conventional water side plate.
3 to 4 are perspective views of a water side plate according to an embodiment of the present invention;
FIG. 5 is a use state view of a water side plate according to an embodiment of the present invention; FIG.
6 is a front view of an outer side angle and an inner side angle of a head of a water side plate according to an embodiment of the present invention.
7 is a side view showing a shape that does not involve a water seed line when viewed from the inside of the water side plate according to another embodiment of the present invention.
8 is a side view of the water side plate according to another embodiment of the present invention when viewed from the outer side.
9 is an enlarged view of a head portion of a water side plate according to another embodiment of the present invention.
10 is a front view of a water side plate according to another embodiment of the present invention.
11 is a rear view of a water side plate according to another embodiment of the present invention.
FIG. 12 is a perspective view of a water side plate temporarily fixed to the radial through a combination of a screw and a temporary fixing hole; FIG.
Fig. 13 is a perspective view of a water-side plate fixed to the radial bore through engagement of a screw and a fixing hole; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a fractured side plate for fixing a fractured radius according to the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In the specification of the present application, the term "distal" refers to the distance from the heart, "ulnar" refers to the direction where the ulna is located, "radial" refers to the opposite direction to " Refers to the front side of the plate, "center axis" refers to the central axis of the plate when viewed from the side of the plate, and " 7 and 8, the "skirt" of the plate is referred to as (R), the "inside" , "Contact surface" is denoted by (C), and "contact surface" C is divided into "contact surface" C1 of the head and "contact surface of shaft" C2.

3 and 4, the water side plate 1 has a head 11 (not shown) which is coupled to the distal end 22 of the radial 2, And a shaft 12.

The head 11 has a generally fan-shaped shape to conform to the anatomical shape of the distal end 22 of the radial 2 and is defined by an inner surface 111, an outer surface 112 and an upper surface 113, A hole 115 and a plurality of screw holes 116. [

As shown in FIG. 5, the inner side surface 111 is located in the inner direction U of the head 11 and is inclined in a curved shape in the inner direction U toward the upper side.

The outer side surface 112 is located in the outer direction R of the head 11 and is inclined in a curved shape in the outer direction R toward the upper side.

The upper surface 113 is formed in the shape of a convex curve having one end 113a extending from the outer side surface 112 and the other end 113b extending to one end of the inner side surface 113, Jointed to the distal direction D of the radial bore 2 and formed to conform to the shape of the water seed line 21 so as not to invade the water seed line 21 when positioned at the distal end 22 of the distal end It does not invade the range of movement of the carpal bone, thereby reducing the possibility of postoperative side effects. 6, a height h1 from one end 113a of the upper surface 113 to an end 125 of the storage side plate 1 is greater than a height h1 of the upper surface 113 from the other end 113b of the upper surface 113, Is formed to be lower than the height h2 to the end 125 of the side plate 1. (h1 < h2)

6, according to another embodiment of the present invention, the head 11 is formed so as to conform to the anatomical shape of the radial bore 2, An outer surface angle a formed by the outer surface 112 with the central axis A of the storage side plate 1 is greater than an inner surface angle b formed by the inner surface 111 and the center axis A, (A > = b). Preferably, the outer surface angle a is 20 to 35 degrees and the inner surface angle b is 17 to 20 degrees. Therefore, the head 11 reflects the anatomical shape of the human body having different angles with respect to the central axis A, so that the contact area with the distal end 22 of the radial 2 can be widened, .

7 and 8, the head 11 has a contact surface C1 of the head 11, as viewed in the inward direction U, in conformity with the anatomical shape of the radius 2, The contact surface C1 of the head 11 is inclined at a predetermined angle b 'with respect to the contact surface C2 of the shaft 12 and the contact surface C1 of the head 11 is in contact with the contact surface C2 of the shaft 12 Is formed so as to be inclined at a predetermined angle a ', and angles a' and b 'are set so as to complement the shape of the distal end portion 22 of the radial bone 2. Preferably, the head has a contact surface (C1) at an angle of 15 DEG to 25 DEG relative to the contact surface (C2) of the shaft (12), as viewed in the inward direction (U) And is inclined at an angle of 20 to 30 with respect to the contact surface C2 of the shaft 12 in the outward direction R as shown in Fig. Therefore, by increasing the contact area between the distal end 22 of the radius 2 and the contact surface C1 of the head 11, it is possible to increase the contact area at the time of surgery and improve the stability, Of the distal end of the proximal end 22 of the radius 2 does not need to be bent like the conventional plate shown in Figs. 1 and 2 during surgery, so that the operation time can be shortened .

9, the head 11 includes a mark 114 formed by a predetermined length downward at an intersection where the center axis A and the upper surface 113 intersect with each other, ). In the operation of the fractured radial bone 2, the mark 114 is aligned with the anatomical axis of the human body so that the storage side plate 1 is aligned with the correct position of the radius 2 without the aid of other surgical equipment The operation time can be shortened, and the convenience of operation can be increased. In the past, there has been a problem that the amount of radioactive dose of the patient is increased because the alignment is continuously checked during the operation procedure using the C-ARM equipment. In the present invention, It is possible to visually confirm whether or not the distal end 22 is correctly aligned, thereby solving the problems of the prior art.

According to another embodiment of the present invention, as shown in Figs. 10 and 11, the head 11 further includes a tear line 117. The bending line 117 is formed as a groove on the skirt S or the contact surface C1 so that when the surgeon of the fractured radial bone 2 performs surgery the surgeon moves the head 11 to the distal end It is easy to bend so as to come into contact with the shape of the outer surface of the base 22, thereby increasing the contact area and shortening the operation time. Whether the bending line 117 is formed on the skirt S or on the contact surface C1 depends on the shape of the patient's radius.

The tear line 117 allows the head 11 to be easily bent along the tear line 117 during surgery and includes an inner tear line 117a and an outer tear line 117b.

The inner fold line 117a is inclined at an inclination opposite to the inner side face 111 from the inner side face 111 toward the central axis A and the outer fold line 117b extends from the outer side face 112 And is formed as an inclined groove inclined at an inclination opposite to the outer surface 112 toward the central axis A.

In addition, according to another embodiment of the present invention, the index plate (1) is marked with a mark (114) as a groove, and when necessary, a distal end portion (22) of the radial bone (2) It is possible to easily bend the head 11 according to the mark 114 and shorten the operation time as well as to widen the contact area with the distal end 22 of the radial bore 2, The plate 1 can be brought into contact with the radial bore 2 stably.

10 and 11, the head hole 115 is formed in the center of the head 11 as a fan-shaped through hole, and the shape of the distal end portion 22 of the radial 2 So that the operation time can be shortened.

13, a plurality of threaded holes 116 are formed in the lower side of the upper surface 113 as circular through holes to allow the head 11 to be inserted into the distal end 22 of the radial 2 The screw hole 4 is formed to be engaged with the radial bore 2 by inserting the screw 4, and the number of the screw holes 116 is not limited.

12 and 13, the shaft 12 includes a fixing hole 121 and a provisional fixing hole 122, and the distal end of the distal end of the radius 2 The shaft 12 is fixed to and fixed to the distal end 22 of the distal end of the radial 2 at the time of surgery. .

13, a plurality of the fixing holes 121 may be formed in the shaft 12 in a circular through-hole, and in the operation, the fixed plate 121 is fixed to the distal end 22 of the radial 2 The screw 4 can be inserted into the radial bore 2 so that the shaft 12 can be stably fixed to the distal end 22 of the radial bore 2. [

13, the provisional fixing hole 122 is formed in the shape of an elongated hole along the longitudinal direction of the shaft 12 at a predetermined distance from the fixing hole 121, 12 can temporarily fix the extension side plate 1 to the distal end portion 22 of the radial 2 by binding the screw 4 to the provisional fixing hole 122, The physician can precisely align the above-mentioned femoral side plate 1 to a proper position of the radial bore 2, thereby providing an appropriate treatment of the fractured radial bone 2.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Should be interpreted as belonging to the scope.

1: Water side plate 2: Radius
3: ulna 11: head
12: shaft 111: inner side
112: outer surface 113: upper surface
114: Mark 115: Head Hall
116: screw hole 117:
P: proximal direction D: distal direction
U: Inner direction R: Outer direction
21: Water seed line A: Center axis
C: contact surface S:

Claims (10)

And a head having a contact surface which abuts against the outer surface of the distal end of the radial bore, the contact surface of which is formed in a sector shape at one end of the shaft, And has a shape complementary to the outer contour of the distal end of the distal radius so as to contact the outer surface of the distal end. [2] The apparatus according to claim 1, wherein the head comprises: an outer surface positioned in an outward direction; an upper surface rising upward from one end of the outer surface toward the other end; an inner surface extending inward from the other end of the upper surface, Wherein the upper surface is positioned below the water seed line so as not to infiltrate the water seed line of the radial system. 3. The method according to claim 2, wherein the outer surface angle formed by the outer surface with the central axis is greater than or equal to the inner surface angle formed between the inner surface and the central axis so that the head conforms to the anatomical shape of the distal end of the distal radius And the stability is improved by increasing the area. [Claim 4] The laminate structure according to claim 3, wherein the outer side angle is 20 [deg.] To 25 [deg.] And the inner side angle is 17 [ 4. The method of claim 3, wherein the contact surface of the head is inclined at an angle with the contact surface of the shaft when viewed in the inward direction so that the head conforms to the anatomical shape of the distal end of the radial, So that the stability of the plate is improved by increasing the contact area. 6. The method according to claim 5, wherein the angle of contact of the head with the contact surface of the shaft when viewed in the inward direction is between 20 ° and 30 ° and the angle between the contact surface of the head and the contact surface of the shaft when viewed from the outer direction is between 15 ° and 25 ° And a plurality of protrusions formed on the inner surface of the plate. [5] The method of claim 3, wherein the head further comprises a mark formed at an intersection of the central axis and the upper surface at a predetermined length downwardly, wherein the mark is aligned with an anatomical axis of the human body, And a plurality of plate-side plates, 8. A method according to any one of claims 1 to 7, wherein the head further comprises a tear line on the skin or contact surface, the tear line being formed as a groove, So that it can easily bend so as to come into contact with the plate-like plate. [9] The method of claim 8, wherein the bending line includes an inner bending line and an outer bending line, the inner bending line is inclined at an inclination opposite to the inner side, and the outer bending line is inclined at an inclination opposite to the outer side Wherein the plate-side plate is a plate-like plate. The water-side plate according to claim 9, wherein the marking is formed as a groove and easily bendable.
KR1020150081677A 2015-06-10 2015-06-10 Volar plate KR20160145299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150081677A KR20160145299A (en) 2015-06-10 2015-06-10 Volar plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150081677A KR20160145299A (en) 2015-06-10 2015-06-10 Volar plate

Publications (1)

Publication Number Publication Date
KR20160145299A true KR20160145299A (en) 2016-12-20

Family

ID=57734244

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150081677A KR20160145299A (en) 2015-06-10 2015-06-10 Volar plate

Country Status (1)

Country Link
KR (1) KR20160145299A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116650088A (en) * 2023-07-26 2023-08-29 北京纳通医学研究院有限公司 Distal radius plate and distal radius plate system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100884491B1 (en) 2000-02-01 2009-02-18 핸드 이노베이션스, 인크. Volar fixation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100884491B1 (en) 2000-02-01 2009-02-18 핸드 이노베이션스, 인크. Volar fixation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116650088A (en) * 2023-07-26 2023-08-29 北京纳通医学研究院有限公司 Distal radius plate and distal radius plate system
CN116650088B (en) * 2023-07-26 2024-02-27 北京纳通医学研究院有限公司 Distal radius plate and distal radius plate system

Similar Documents

Publication Publication Date Title
US11395691B2 (en) Alignment guide apparatus, methods and systems
US11779381B2 (en) Bone fixation system, assembly, implants, devices, alignment guides, and methods of use
US11779358B2 (en) Targeting instruments, systems and methods of use
EP2906129B1 (en) Bone shortening device
US8920422B2 (en) Method for tibial nail insertion
US9241744B2 (en) Targeting assembly for a compression nail system
US9949773B2 (en) Orthopedic bone plate and locking tab apparatus and method of use
JP2006280951A (en) Plate for uniting metatarsophalangeal joint
TW201601677A (en) Locking first metacarpal plate
CN102961179A (en) Universal locking and pressurizing bone plate
US20180289379A1 (en) Bone fixation system, assembly, devices, insertion guides, and methods of use
US20180256218A1 (en) Calcaneal cross medullary plate
CN102784002B (en) Tibial intramedullary nail
KR20160145299A (en) Volar plate
WO2014190607A1 (en) Screw implantation sighting device used for minimally invasive surgery
CN108888330B (en) Combined guide plate and accurate positioning method thereof
US20130041374A1 (en) Radius intramedullar locking nail
WO2018227446A1 (en) Sst retractor with radiolucent feature
US20230263557A1 (en) Anatomically-fitted tarsometatarsal bone plate
CN215349368U (en) Fixed angle guider of orthopedics
CN107802329B (en) Spinal puncture positioning auxiliary device
KR101657491B1 (en) Medical treatment for small bone fixation device
CN105726110B (en) First metatarsal distal osteotomy plate
JP5819997B2 (en) Osteotomy nail with smooth back end
KR20200045864A (en) Open wedge osteotomy device for correction of hallux valgus