Nothing Special   »   [go: up one dir, main page]

CN208784903U - Humeral intramedullary nail sighting device - Google Patents

Humeral intramedullary nail sighting device Download PDF

Info

Publication number
CN208784903U
CN208784903U CN201820483578.0U CN201820483578U CN208784903U CN 208784903 U CN208784903 U CN 208784903U CN 201820483578 U CN201820483578 U CN 201820483578U CN 208784903 U CN208784903 U CN 208784903U
Authority
CN
China
Prior art keywords
intramedullary nail
diopter
fixed frame
hole
distal end
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201820483578.0U
Other languages
Chinese (zh)
Inventor
刘建兴
王一成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Chuang Li Kang Medical Equipment Co Ltd
Original Assignee
Jiangsu Chuang Li Kang Medical Equipment Co Ltd
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 Jiangsu Chuang Li Kang Medical Equipment Co Ltd filed Critical Jiangsu Chuang Li Kang Medical Equipment Co Ltd
Priority to CN201820483578.0U priority Critical patent/CN208784903U/en
Application granted granted Critical
Publication of CN208784903U publication Critical patent/CN208784903U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Surgical Instruments (AREA)

Abstract

The utility model discloses a kind of humeral intramedullary nail sighting devices, belong to orthopaedics implant instrument field, it is intended to provide a kind of humeral intramedullary nail sighting device for facilitating pinning and lock hole to align, to solve the problems, such as that it is fixed that intramedullary nail is difficult to, its key points of the technical solution are that including Handleset, diopter and lateral bracket;Handleset includes fixed frame, the hollow guide rod for connecting intramedullary nail is fixedly connected at the top of fixed frame, diopter and lateral bracket are fixedly connected on the side wall of fixed frame, and the long axis of diopter and lateral bracket is parallel to guide rod and extends towards fixed frame bottom direction;Offer that the lock hole with intramedullary nail close to guide rod one end is corresponding to be proximally directed hole on lateral bracket;The corresponding distal end pilot hole of lock hole with intramedullary nail far from guide rod one end is offered on diopter, is also provided with several directional holes corresponding with remaining lock hole on intramedullary nail on diopter.The utility model is suitable for humeral intramedullary nail sighting device.

Description

Humeral intramedullary nail sighting device
Technical field
The utility model relates to a kind of orthopaedics implant instruments, in particular to humeral intramedullary nail sighting device.
Background technique
Upper section comminuted fracture is a kind of effective method in humeral intramedullary nail systematic treating humerus, can effectively be reduced Surgical injury, patient can carry out early functional exercise.
The Chinese patent of Publication No. CN204072294U discloses a kind of for being implanted into the intramedullary nail of humerus ossis, use In from humerus head vertex cartilage layers merging humerus ossis in comprising rivet nut, the rivet nut have a proximal end nail section and one with Proximal end follows closely the connected distal end of section and follows closely section, and several lockings along its circumferential different angle distribution are provided in the nail section of the proximal end Hole is provided with along the power hole and static(al) hole of its circumferential different angle distribution in the nail section of the distal end.
But intramedullary nail needs to realize the fixation of intramedullary nail and humerus by pinning, this just needs to make after being placed in humerus With the sighting device matched with intramedullary nail, aiming positioning is carried out to pinning implantation position to facilitate.
Utility model content
The purpose of the utility model is to provide a kind of humeral intramedullary nail sighting device, has and pinning and lock hole is facilitated to align The advantages of.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of humeral intramedullary nail sighting device, including Handleset, diopter and lateral bracket;
The Handleset includes fixed frame, is fixedly connected at the top of the fixed frame and leads for connecting the hollow of intramedullary nail To bar, the diopter and lateral bracket are fixedly connected on the side wall of fixed frame, the long axis of the diopter and lateral bracket It is parallel to guide rod and extends towards fixed frame bottom direction;
Offer that the lock hole with intramedullary nail close to guide rod one end is corresponding to be proximally directed hole on the lateral bracket;
The corresponding distal end pilot hole of lock hole with intramedullary nail far from guide rod one end is offered on the diopter, it is described Several directional holes corresponding with remaining lock hole on intramedullary nail are also provided on diopter.
By using above-mentioned technical proposal, the setting of diopter and lateral bracket is convenient in vitro to pinning implantation position Confirmation, under the guiding and positioning function for being proximally directed hole, distal end pilot hole and directional hole, can accurately be implanted into pinning, and make to lock Nail is accurately connected in the lock hole of intramedullary nail, and such mode facilitates the contraposition of pinning and intramedullary nail.
Further, the diopter includes the aiming arm for being axially parallel to guide rod, the aiming arm lengths direction Two sides, which extend, is fixed with a pair of of support plate and a pair of of distal end fixed plate;
A pair of support plate is staggered respectively on aiming at the opposite two side arms of arm, and the support plate, which is located at, aims at arm Close to one end of fixed frame, the directional hole at least two, two directional holes are provided with respectively in two support plates;
A pair of distal end fixed plate is staggered respectively on aiming at the opposite two side arms of arm, distal end fixed plate position In aiming at the one end of arm far from fixed frame, the distal end pilot hole is set as two and is provided with two distal end fixed plates respectively On.
By using above-mentioned technical proposal, the setting of support plate and distal end fixed plate is facilitated punches on diopter, with Corresponding to the lock hole on intramedullary nail, the setting of distal end fixed plate facilitates opening up for distal end pilot hole, and can in marrow The lock hole of the distal end nailed on is corresponding;Limit hole in support plate is conveniently worn installation locking and is realized with the bone to fracture It is fixed.
Further, the support plate and distal end fixed plate are towards bending at the axis of intramedullary nail;
The axis of the distal end pilot hole is parallel to the short transverse of support plate, and the axial direction of directional hole is flat in the fixed plate Row is in the short transverse of fixed plate.
By using above-mentioned technical proposal, the support plate and distal end fixed plate for bending setting facilitate limit hole and distal end is led It is made to the punching in hole, reduces the difficulty of processing of limit hole and distal end pilot hole;Support plate and the distal end for bending setting are fixed Plate can also adapt to human body humerus outline shape, and diopter encircles on the outside of humerus the installation for facilitating pinning.
Further, the aiming arm offers the inclined hole towards intramedullary nail far from one end of fixed frame.
By using above-mentioned technical proposal, inclined lock hole of the inclined hole with intramedullary nail far from guide rod end is corresponding, It can be convenient the connection of pinning and lock hole by inclined hole.
Further, for the fixed frame in opening towards the inverted L shape of guide rod, the fixed frame includes horizontal segment and vertical Section, the guide rod, which is worn, to be fixed on horizontal segment and parallel with vertical section, and diopter setting is in vertical section away from guiding The side of bar.
By using above-mentioned technical proposal, the setting of vertical section and horizontal segment facilitates the processing of fixed frame;Work as intramedullary nail When being implanted into medullary cavity of humerus, diopter is connected in vertical section, and diopter is parallel to each other with intramedullary nail, and realizes diopter It is placed in the purpose in vitro without interfering with body.
Further, the vertical section is vertically and fixedly provided with two the first guide posts, the aiming away from the side of guide rod The guide hole being adapted to the first guide post is offered on frame;
The diopter is fixedly connected by fixing bolt with vertical section, fixing bolt setting two guide holes it Between.
By using above-mentioned technical proposal, the setting of the first guide post and pilot hole facilitates the installation of diopter, reduces The possibility that diopter opposed vertical section is shaken, to improve the contraposition stability of limit hole and distal end fixation hole and lock hole; The setting of fixing bolt realizes the detachable of diopter.
Further, the lateral bracket is in the J-type of falling towards guide rod, and the lateral bracket is towards the side of fixed frame Guide groove is offered, the second guide post being adapted to guide groove is fixedly connected on the horizontal segment;
It is connected between the lateral bracket and fixed frame by clamping screw, the axial direction of the clamping screw and guide groove It is axial not conllinear.
By using above-mentioned technical proposal, the setting of the second guide post and guide groove facilitates the positioning peace of lateral bracket Dress reduces the possibility that the dislocation of lateral bracket is shaken, and then improves and be proximally directed the contraposition of lock hole on hole and intramedullary nail and stablize Property;The setting of clamping screw realizes the detachable of lateral bracket.
Further, weight loss groove is offered in the middle part of the diopter.
By using above-mentioned technical proposal, weight loss groove is used to mitigate the quality of diopter, saves material.
In conclusion the utility model has the following beneficial effects:
1. Handleset, diopter and lateral bracket are used, to generate the effect for facilitating pinning and lock hole to align;
2. using support plate and distal end fixed plate towards bending at the axis of intramedullary nail, to generate reduction limit hole With the effect of the difficulty of processing of distal end pilot hole;
3. weight loss groove is used, to generate the effect of save the cost.
Detailed description of the invention
Fig. 1 is in the present embodiment for embodying the schematic diagram of Handleset, diopter and lateral bracket three positional relationship;
Fig. 2 is in the present embodiment for embodying the schematic diagram of Handleset, diopter and lateral bracket three connection relationship.
In figure, 1, Handleset;11, fixed frame;111, horizontal segment;1111, guide groove;112, vertical section;1121, first Guide post;12, guide rod;2, diopter;21, arm is aimed at;22, support plate;23, distal end fixed plate;231, distal end pilot hole; 24, directional hole;25, inclined hole;26, guide hole;27, fixing bolt;28, weight loss groove;3, lateral bracket;31, it is proximally directed hole;32, Second guide post;33, clamping screw;4, intramedullary nail;41, lock hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of humeral intramedullary nail sighting device, as shown in Figure 1, including Handleset 1, diopter 2 and lateral bracket 3.It takes aim at Quasi- frame 2 is divided into left and right, to adapt to the appearance profile demand of left and right humerus, facilitates operation.Handleset 1 includes fixed frame 11, The hollow guide rod 12 for connecting intramedullary nail 4 is fixedly connected at the top of fixed frame 11.Diopter 2 and the fixed company of lateral bracket 3 It connects on the side wall of fixed frame 11, the long axis of diopter 2 and lateral bracket 3 is parallel to guide rod 12 and towards 11 bottom of fixed frame Portion direction extends.Offered on lateral bracket 3 it is corresponding with lock hole 41 be proximally directed hole 31, offer and lock on diopter 2 Determine the corresponding distal end pilot hole 231 in hole 41.
As shown in Fig. 2, fixed frame 11 is in the inverted L shape being open towards guide rod 12.Fixed frame 11 includes horizontal segment 111 and erects Straight section 112, guide rod 12 wear be fixed on it is on horizontal segment 111 and parallel with vertical section 112, diopter 2 be arranged in vertical section 112 Away from the side of guide rod 12.Vertical section 112 is vertically and fixedly provided with two the first guide posts 1121 away from the side of guide rod 12, takes aim at The guide hole 26 being adapted to the first guide post 1121 is offered on quasi- frame 2, diopter 2 is solid by fixing bolt 27 and vertical section 112 Fixed connection, fixing bolt 27 are arranged between two guide holes 26.
As shown in Fig. 2, lateral bracket 3 is in the J-type of falling towards guide rod 12, lateral bracket 3 is towards the side of fixed frame 11 Guide groove 1111 is offered, horizontal segment 111 is fixedly connected with the second guide post 32 being adapted to guide groove 1111.Lateral bracket 3 It is connect between fixed frame 11 by clamping screw 33, the axial direction of the clamping screw 33 and the axial direction of guide groove 1111 be not total Line.
As shown in Figure 1, diopter 2 includes the aiming arm 21 for being axially parallel to guide rod 12,21 length direction of arm is aimed at Two sides, which extend, is fixed with a pair of of support plate 22 and a pair of of distal end fixed plate 23.A pair of of support plate 22 is staggered respectively is aiming at arm In 21 opposite two side arms, support plate 22, which is located at, aims at arm 21 close to one end of fixed frame 11.It is opened respectively in a pair of of support plate 22 Equipped with directional hole 24, the axial direction of two lock holes 41 is conllinear in the axial direction and intramedullary nail 4 of directional hole 24.A pair of of distal end fixed plate 23 It is staggered on aiming at the opposite two side arms of arm 21 respectively, distal end fixed plate 23 is located at aim at arm 21 far from fixed frame 11 one End, distal end pilot hole 231 are set as two and are provided in two distal end fixed plates 23 respectively.
As shown in Figure 1, aiming at arm 21 close to one end of fixed frame 11 is also provided with a directional hole 24, it is used for and intramedullary nail Lock hole 41 on 4 is corresponding.It aims at arm 21 and offers an inclined hole 25 far from one end of fixed frame 11, be used for and intramedullary nail 4 Lock hole 41 far from 12 one end of guide rod is corresponding.Weight loss groove 28 is offered in the middle part of diopter 2.
As shown in Figure 1, support plate 22 and distal end fixed plate 23 are towards bending at the axis of intramedullary nail 4.Distal end pilot hole 231 axis is parallel to the short transverse of support plate 22, the height side for being axially parallel to fixed plate of directional hole 24 in fixed plate To.
The implant surgery process of intramedullary nail 4: it according to fracture, determines patient body position, and carries out Preoperative Method.Open hand Art approach obtains the visual field of 4 implant surgery of intramedullary nail.Fracture is resetted, as necessary by Kirschner wire to the bone block of fracture Temporarily positioned.Determine 4 entry point of intramedullary nail, and ossis opened according to entry point, using the tool of loading by intramedullary nail 4 by In step insertion pulp cavity.
In surgical procedure, according to the difference of left and right fracture of humerus, selection left side diopter 2 or right side diopter 2 will be oriented to 12 bottom of bar is docked with intramedullary nail 4, and the connection of the two is realized by 4 positioning bolt of intramedullary nail.By lateral bracket 3 and diopter 2 It is fixed on fixed frame 11, under the booster action of 4 sighting device of humeral intramedullary nail, is led by being proximally directed hole 31 and distal end It to the guiding role in hole 231, drills on cortex bone, and pinning is connected with intramedullary nail 4, realize that the proximal end of intramedullary nail 4 is solid Fixed and distal end is fixed, prevents intramedullary nail 4 from rotating in vivo.Finally according to the needs of the reduction of the fracture, pass through the orientation on diopter 2 Pinning is connected by hole 24 with intramedullary nail 4, realizes the fixed function to fracture site bone.After the completion, operation is sutured.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of humeral intramedullary nail sighting device, it is characterized in that: including Handleset (1), diopter (2) and lateral bracket (3);
The Handleset (1) includes fixed frame (11), is fixedly connected at the top of the fixed frame (11) for connecting intramedullary nail (4) hollow guide rod (12), the diopter (2) and lateral bracket (3) are fixedly connected on the side wall of fixed frame (11), institute The long axis for stating diopter (2) and lateral bracket (3) is parallel to guide rod (12) and extends towards fixed frame (11) bottom direction;
It is offered on the lateral bracket (3) corresponding close close to lock hole (41) of guide rod (12) one end with intramedullary nail (4) It holds pilot hole (31);
Distal end corresponding with intramedullary nail (4) separate lock hole (41) of guide rod (12) one end is offered on the diopter (2) Pilot hole (231), it is several corresponding fixed with remaining lock hole (41) on intramedullary nail (4) to be also provided on the diopter (2) To hole (24).
2. humeral intramedullary nail sighting device according to claim 1, it is characterized in that: the diopter (2) includes axial flat For row in the aiming arm (21) of guide rod (12), the two sides for aiming at arm (21) length direction, which extend, is fixed with a pair of of support plate (22) and a pair of of distal end fixed plate (23);
A pair of support plate (22) is staggered respectively on aiming at arm (21) opposite two side arms, support plate (22) position In the one end for aiming at arm (21) close fixed frame (11), the directional hole (24) at least two, two directional holes (24) It is provided on two support plates (22) respectively;
A pair of distal end fixed plate (23) is staggered respectively on aiming at arm (21) opposite two side arms, and the distal end is fixed Plate (23), which is located at, aims at the one end of arm (21) far from fixed frame (11), and the distal end pilot hole (231) is set as two and difference It is provided on two distal end fixed plates (23).
3. humeral intramedullary nail sighting device according to claim 2, it is characterized in that: the support plate (22) and distal end are fixed Plate (23) is towards bending at the axis of intramedullary nail (4);
The axis of the distal end pilot hole (231) is parallel to the short transverse of support plate (22), directional hole in the fixed plate (24) the short transverse for being axially parallel to fixed plate.
4. humeral intramedullary nail sighting device according to claim 3, it is characterized in that: the aiming arm (21) is far from fixed frame (11) one end offers the inclined hole (25) towards intramedullary nail (4).
5. humeral intramedullary nail sighting device according to claim 4, it is characterized in that: the fixed frame (11) is in opening direction The inverted L shape of guide rod (12), the fixed frame (11) include horizontal segment (111) and vertical section (112), and the guide rod (12) is worn If being fixed on horizontal segment (111) and parallel with vertical section (112), the diopter (2) setting is in vertical section (112) away from leading To the side of bar (12).
6. humeral intramedullary nail sighting device according to claim 5, it is characterized in that: the vertical section (112) is away from guiding The side of bar (12) is vertically and fixedly provided with two the first guide posts (1121), offers and the first guide post on the diopter (2) (1121) guide hole (26) being adapted to;
The diopter (2) is fixedly connected by fixing bolt (27) with vertical section (112), and fixing bolt (27) setting exists Between two guide holes (26).
7. humeral intramedullary nail sighting device according to claim 6, it is characterized in that: the lateral bracket (3) is in that direction is led To the J-type of falling of bar (12), the side of lateral bracket (3) towards the fixed frame (11) offers guide groove (1111), the water The second guide post (32) being adapted to guide groove (1111) is fixedly connected on flat section (111);
It is connect between the lateral bracket (3) and fixed frame (11) by clamping screw (33), the axis of the clamping screw (33) To not conllinear with the axial direction of guide groove (1111).
8. humeral intramedullary nail sighting device according to claim 1, it is characterized in that: being offered in the middle part of the diopter (2) Weight loss groove (28).
CN201820483578.0U 2018-04-04 2018-04-04 Humeral intramedullary nail sighting device Expired - Fee Related CN208784903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820483578.0U CN208784903U (en) 2018-04-04 2018-04-04 Humeral intramedullary nail sighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820483578.0U CN208784903U (en) 2018-04-04 2018-04-04 Humeral intramedullary nail sighting device

Publications (1)

Publication Number Publication Date
CN208784903U true CN208784903U (en) 2019-04-26

Family

ID=66199368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820483578.0U Expired - Fee Related CN208784903U (en) 2018-04-04 2018-04-04 Humeral intramedullary nail sighting device

Country Status (1)

Country Link
CN (1) CN208784903U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110063779A (en) * 2019-05-23 2019-07-30 陈聚伍 Visualize intra medullary nail far-end pointing instrumentation
CN112641496A (en) * 2020-12-24 2021-04-13 宿迁市浩欣机械有限公司 PFNA femoral intramedullary nail short nail bracket
CN113133824A (en) * 2020-01-19 2021-07-20 北京蒙太因医疗器械有限公司 Intramedullary nail sighting device and bone treatment system comprising same
CN113133823A (en) * 2020-01-19 2021-07-20 北京蒙太因医疗器械有限公司 Intramedullary nail sighting device and bone treatment system comprising same
CN113558743A (en) * 2021-08-09 2021-10-29 北京市春立正达医疗器械股份有限公司 Adjustable aiming arm for intramedullary nail
CN114052875A (en) * 2020-08-07 2022-02-18 北京蒙太因医疗器械有限公司 Intramedullary nail sighting device and bone treatment system comprising same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110063779A (en) * 2019-05-23 2019-07-30 陈聚伍 Visualize intra medullary nail far-end pointing instrumentation
CN113133824A (en) * 2020-01-19 2021-07-20 北京蒙太因医疗器械有限公司 Intramedullary nail sighting device and bone treatment system comprising same
CN113133823A (en) * 2020-01-19 2021-07-20 北京蒙太因医疗器械有限公司 Intramedullary nail sighting device and bone treatment system comprising same
CN114052875A (en) * 2020-08-07 2022-02-18 北京蒙太因医疗器械有限公司 Intramedullary nail sighting device and bone treatment system comprising same
CN112641496A (en) * 2020-12-24 2021-04-13 宿迁市浩欣机械有限公司 PFNA femoral intramedullary nail short nail bracket
CN113558743A (en) * 2021-08-09 2021-10-29 北京市春立正达医疗器械股份有限公司 Adjustable aiming arm for intramedullary nail

Similar Documents

Publication Publication Date Title
CN208784903U (en) Humeral intramedullary nail sighting device
CN101677831B (en) Reinforced intramedullary nail
US8267972B1 (en) Bone plate
CN105592802B (en) Hamulus of hamate bone tool
CN105342681A9 (en) Universal acetabulum inside dissection type locking bone fracture plate and matched instrument thereof
GB2473874A (en) Surgical plate and nail implant
CN106821454A (en) A kind of femur osteotomy instrument kit
CN202146355U (en) Femoral proximal triangular intramedullary nail
US20180042622A1 (en) Anatomical Locking Guide Steel Plate, Anatomical Locking Guide Apparatus and Matched Guide Sleeve Apparatus
US20080306479A1 (en) Fixation device for proximal elbow fractures and method of using same
EP3570760B1 (en) Bone plating system including a drill jig with locking elements
CN201135492Y (en) Femoral intramedullary nail needle insertion sights
CN103637839B (en) Rapid restorer for treating fracture of long tubular bones of limbs
CN209253081U (en) PFNA proximal femoral nail instrument
CN205251665U (en) Locking marrow nail
CN211409319U (en) Combined double-node offset-minimally invasive retrograde acetabulum posterior column screw positioning sighting device
US20200405435A1 (en) Bone plate with orientation indicator and positional adjustment mechanism
CN107669328B (en) Two-point multidimensional positioning device for femoral intramedullary nail
CN107440779B (en) Safe angle positioner for setting ischial screws for acetabular fracture reduction
CN2640425Y (en) Proximal intramedullary nail of femur
CN204562339U (en) Femoral greater trochanter bone tractor
CN2283464Y (en) Locator for distal lock hole of intramedullary nail with lock
CN205433778U (en) Incision tractor for bone surgery
CN214318118U (en) Fracture fixing system
CN211094607U (en) Femoral neck fracture positioning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190426

CF01 Termination of patent right due to non-payment of annual fee