CN204072304U - Intramedullary nail sighting device - Google Patents

Intramedullary nail sighting device Download PDF

Info

Publication number
CN204072304U
CN204072304U CN201420254928.8U CN201420254928U CN204072304U CN 204072304 U CN204072304 U CN 204072304U CN 201420254928 U CN201420254928 U CN 201420254928U CN 204072304 U CN204072304 U CN 204072304U
Authority
CN
China
Prior art keywords
hole
far
intramedullary
sighting device
intramedullary pin
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 - Lifetime
Application number
CN201420254928.8U
Other languages
Chinese (zh)
Inventor
曹双安
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.)
Changzhou Jianli Bangde Medical Devices Co Ltd
Original Assignee
Changzhou Jianli Bangde Medical Devices 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 Changzhou Jianli Bangde Medical Devices Co Ltd filed Critical Changzhou Jianli Bangde Medical Devices Co Ltd
Priority to CN201420254928.8U priority Critical patent/CN204072304U/en
Application granted granted Critical
Publication of CN204072304U publication Critical patent/CN204072304U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Surgical Instruments (AREA)

Abstract

The utility model discloses a kind of intramedullary nail sighting device, comprise a Handleset, removably fixing intramedullary pin and aim at guide rod, a positioning component, a far-end diopter, described Handleset and far-end diopter are removably mounted on this aiming guide rod; The distal portion that described intramedullary pin comprises a close end and is connected with close end, this distal portion offers at least one side opening, described close end and distal portion angulation α; The handle body that described Handleset comprises a linking arm, intramedullary pin Fixed Division and is connected between this linking arm and intramedullary pin Fixed Division, angulation β between this linking arm and intramedullary pin Fixed Division; The angle beta of Handleset is identical with the angle [alpha] of intramedullary pin; Aim at guide rod upper surface and the axis being parallel being arranged on the intra medullary nail far-end portion on Handleset; This far-end diopter offers at least one parallel hole, and the axis of parallel hole described in each aligns with a wherein side opening of intramedullary pin.

Description

Intramedullary nail sighting device
Technical field
This utility model relates to a kind of intramedullary nail sighting device.
Background technology
At present, the intramedullary pin that adopts treats fracture more clinically, and this technology is little on fracture site impact.In the operation of installing intramedullary nail treatment fracture, intramedullary pin is squeezed into pinning to need to use corresponding sighting device, the aiming of sighting device must be very accurate, to guarantee that pinning accurately squeezes into the reservation position of intramedullary pin as in upright opening, side opening and/or inclined hole, otherwise carrying out smoothly of operation can be affected, increase unnecessary misery to patient.
Utility model content
The purpose of this utility model is exactly to provide a kind of precalculated position that pinning squeezes into intramedullary pin accurately of guaranteeing, and convenient, economical and practical, the safe and reliable intramedullary nail sighting device of debugging, for this reason, this utility model by the following technical solutions:
A kind of intramedullary nail sighting device, comprise a Handleset, removably fixing intramedullary pin and aim at guide rod, a positioning component, a far-end diopter, described Handleset and far-end diopter are removably mounted on this aiming guide rod; The distal portion that described intramedullary pin comprises a close end and is connected with close end, this distal portion offers at least one side opening, described close end and distal portion angulation α; The handle body that described Handleset comprises a linking arm, intramedullary pin Fixed Division and is connected between this linking arm and intramedullary pin Fixed Division, angulation β between this linking arm and intramedullary pin Fixed Division; The angle beta of Handleset is identical with the angle [alpha] of intramedullary pin; Aim at guide rod upper surface and the axis being parallel being arranged on the intra medullary nail far-end portion on Handleset; This far-end diopter offers at least one parallel hole, and the axis of parallel hole described in each aligns with a wherein side opening of intramedullary pin.
Preferably, this intramedullary nail sighting device also comprises a positioning component, and this positioning component one end is passed this aiming guide rod and supported with intramedullary pin.
Preferably, this intramedullary nail sighting device also comprises one and is removably mounted on the far-end aimed on guide rod and aims at block.
Preferably, this intramedullary pin offers at least one inclined hole, this far-end aims at block at least one aiming arm of comprising a junction and being connected with this connecting portion, aiming arm described in each offers a sight hole, the axial alignment of the described at least one inclined hole on this sight hole and intramedullary pin.
Preferably, this intramedullary pin also offers at least one upright opening, this connecting portion offers a through hole, the axial alignment of this through hole and described upright opening.
Preferably, the upper surface of described aiming guide rod offers the first sleeve joint hole and the second sleeve joint hole, this connecting portion also offers two pins laid respectively in these through hole both sides, this two pins projection is arranged on far-end and aims at block lower surface, coordinates respectively far-end to be aimed at block and be removably fixed on and aim on guide rod with described first sleeve joint hole, the second sleeve joint hole.
Preferably, this intramedullary nail sighting device also comprises a side keeper, and this side keeper is removably mounted on described far-end diopter, and one end of described side keeper is through a wherein parallel hole and insert wherein in a side opening.
Preferably, the quantity of described aiming arm is that 2, two aiming arms are separately positioned on this connecting portion both sides.
Preferably, aiming arm described in each offers a sight hole, described far-end aims at two sight holes on block symmetrically or asymmetric setting.
A kind of intramedullary nail sighting device, comprise a Handleset, removably fixing intramedullary pin and aim at guide rod, a positioning component, a far-end diopter, described Handleset and far-end diopter are removably mounted on this aiming guide rod; The distal portion that described intramedullary pin comprises a close end and is connected with close end, this distal portion offers at least one side opening, described close end and distal portion angulation α; The handle body that described Handleset comprises a linking arm, intramedullary pin Fixed Division and is connected between this linking arm and intramedullary pin Fixed Division, angulation β between this linking arm and intramedullary pin Fixed Division; The angle beta of Handleset is identical with the angle [alpha] of intramedullary pin; Aim at guide rod upper surface and the axis being parallel being arranged on the intra medullary nail far-end portion on Handleset; This far-end diopter offers at least one parallel hole, and the axis of parallel hole described in each aligns with a wherein side opening of intramedullary pin; This intramedullary nail sighting device also wraps a side keeper, and this side keeper is removably mounted on described far-end diopter, and one end of described side keeper is through a wherein parallel hole and insert wherein in a side opening.
This utility model is by aiming at described positioning component guide rod installed and offsets with described intramedullary pin, ensure that the axis being parallel aiming at guide rod upper surface and intra medullary nail far-end portion, that so can guarantee to squeeze into the pinning of the side opening of intramedullary pin by the parallel hole of far-end diopter has high degree of accuracy.Further, this utility model also by installing far-end diopter on aiming guide rod, having carried out location, side by described side keeper to intramedullary pin, having improve the degree of accuracy squeezing into pinning in inclined hole and upright opening.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Fig. 1 is the schematic perspective view of the intramedullary nail sighting device of this utility model detailed description of the invention.
Fig. 2 is the structural representation of the intramedullary pin in Fig. 1.
Fig. 3 is the structural representation of the Handleset in Fig. 1.
Fig. 4 is the structural representation of the aiming guide rod in Fig. 1.
Fig. 5 is the structural representation of the far-end diopter in Fig. 1.
Fig. 6 is the structural representation of the far-end aiming block in Fig. 1.
Wherein: 7, fixing intramedullary pin; 71, close end; 73, distal portion; 731, upright opening; 733, side opening; 735, inclined hole; 1, Handleset; 2, guide rod is aimed at; 3, positioning component; 4, far-end diopter; 5, far-end aims at block; 6, side keeper; 11, linking arm; 13, intramedullary pin Fixed Division; 15, handle body; 21, some adjustment holes; 23, locating hole; 24, the first sleeve joint hole; 25, the second sleeve joint hole; 27, mounting groove; 29, installing hole; 31, locating rod; 33, clamp body; 41, linking arm; 43, affixed head; 45, aiming portion; 451, parallel hole; 51, connecting portion; 53, aiming arm; 511, through hole; 513, pin; 533, sight hole.
Detailed description of the invention
Refer to Fig. 1-6, this utility model provides a kind of intramedullary nail sighting device, accurately squeezes into pinning for fixing intramedullary pin 7 in this intramedullary pin 7.
The distal portion 73 that described intramedullary pin 7 comprises a close end 71 and is connected with close end 71.Described close end 71 and distal portion 73 angulation α.This distal portion 73 offers two upright opening 731, two side opening 733 and two inclined holes 735.In the present embodiment, described intramedullary pin 7 is tibial intramedullary nailing.
Understandable, the side opening 733 that described intramedullary pin 7 is offered, upright opening 731 and inclined hole 735 can adjust according to actual needs, as: as described in more than the quantity of side opening 733, upright opening 731 or inclined hole 735 can be one or two.
Described intramedullary nail sighting device comprises one handle assembly 1, and aims at guide rod 2, positioning component 3, far-end diopter 4, far-end aiming block 5 and a side keeper 6.Described Handleset 1, positioner 3, far-end aim at block 5 and far-end diopter 4 is removably mounted on this aiming guide rod 2.This side keeper 6 is removably mounted on described far-end diopter 5.
The one handle body 15 that described Handleset 1 comprises linking arm 11, intramedullary pin Fixed Division 13 and is connected between this linking arm 11 and intramedullary pin Fixed Division 13.Angulation β between this linking arm 11 and intramedullary pin Fixed Division 13.Together with described aiming guide rod 2 and linking arm 11 are removably mounted on by the clamping screw I running through described adjustment hole 21.Described intramedullary pin Fixed Division 13 is for removably fixing described intramedullary pin 7.The angle beta of Handleset 1 is identical with the angle [alpha] of intramedullary pin 7.When intramedullary pin 7 is arranged on this intramedullary pin Fixed Division 13, aim at the axis being parallel of guide rod 2 upper surface and intramedullary pin 7 distal portion 73.
The upper surface of described aiming guide rod 2 is arranged at intervals with some adjustment hole 21, locating hole 23,1 first sleeve joint holes 24 and one second sleeve joint hole 25 successively.This aiming guide rod 2 also offers a mounting groove 27 through with the first sleeve joint hole 24 and be opened in an installing hole 29 of the side surface aiming at guide rod 2.The axial alignment of described first sleeve joint hole 24 and described upright opening 731.
Described positioning component 3 comprises a positioning rod 31.This locating rod 31 to be coordinated with described locating hole 23 by a clamp body 33 and is removably mounted on this aiming guide rod 2, and one end of this locating rod 31 offsets with this intramedullary pin 7 through described locating hole 23, so can ensure the axis being parallel of the distal portion 73 aiming at guide rod 2 upper surface and intramedullary pin 7 further.
Described far-end diopter 4 comprises a linking arm 41, be connected with linking arm 41 one end one affixed 43 and the aiming portion 45 be connected with linking arm 41 other end.This affixed 43 is held in the mounting groove 27 of described aiming guide rod 2, and is removably mounted on this aiming guide rod 2 by fasteners such as screws.This aiming portion 45 offers two parallel holes 451.This two parallel hole 451 is symmetrical about described mounting groove 27.When aiming at guide rod 2 and being parallel with intramedullary pin 7 distal portion 73, the axis of each parallel hole 451 of far-end diopter 4 aligns with a wherein side opening 733 of intramedullary pin 7 respectively, thus by two parallel holes 451 of far-end diopter 4, pinning can be squeezed in two side openings 733 of intramedullary pin 7.Described far-end diopter 4 can be arranged on the wherein side aiming at guide rod 2 as required, so that will be squeezed in two side openings 733 by pinning by parallel hole 451.
Understandable, the quantity of described parallel hole 451 can adjust according to the quantity of the side opening 733 that intramedullary pin 7 is offered, and when the quantity of side opening 733 is 1, the quantity of this parallel hole 451 can be 1.
One end of described side keeper 6 is through a wherein parallel hole 451 and insert wherein in a side opening 733, to carry out location, side to intramedullary pin 7.
It is roughly arc in one that described far-end aims at block 5.This far-end aims at block 5 and comprises a junction 51 and be arranged on two aiming arms 53 of these connecting portion 51 both sides.This connecting portion 51 offers a through hole 511 and be separately positioned on two pins 513 of these through hole 511 both sides.This two pin 513 projection described is arranged on far-end and aims at block 5 lower surface.Described two pins 513 are removably held in described first sleeve joint hole 24, second sleeve joint hole 25 respectively, far-end are aimed at block 5 and are removably fixed on aiming guide rod 2.Aiming arm 53 described in each offers a sight hole 533.The axial alignment of sight hole 533 described in each and wherein an inclined hole 735.
Understandable, arrange difference according to described two inclined holes 735, described two sight holes 533 symmetrically or asymmetric setting.Understandable, described two aiming arms 53 symmetrically or asymmetric setting.
Understandable, clamping screw can be adopted to replace described two pins 513, aim at block 5 to make far-end and be removably fixed on aiming guide rod 2.
In use, first Handleset 1, far-end diopter 4 are arranged on and aim on guide rod 2, and one end of this locating rod 31 and this intramedullary pin 7 are offseted, one end of side keeper 6 is through a wherein parallel hole 451 and insert wherein in a side opening 733, by parallel hole 451, pinning is squeezed in two side openings 733.Understandable, when squeezing into pinning in side opening 733, can only adopt locating rod to position, and carry out location, side without the need to side keeper 6.
When pinning need be squeezed into two inclined holes 735 of intramedullary pin 7, described two pins 513 are inserted respectively in described first sleeve joint hole 24, second sleeve joint hole 25, and removably described far-end aiming block 5 is fixed on aiming guide rod 2 by clamping screw II; Because described side keeper 6 pairs of intramedullary pins 7 have carried out location, side, described locating rod 31 ensure that the axis being parallel aiming at guide rod 2 upper surface and intramedullary pin 7 distal portion 73 simultaneously; So can ensure to aim at sight hole 533 on contiguous block 5 respectively with the axial alignment of two inclined holes 735 on intramedullary pin 7, pinning accurately squeezes into two inclined holes 735 of intramedullary pin 7 by described two sight holes 533.
Pinning is squeezed into after in described two inclined holes 735, described far-end can be aimed at block 5 to disassemble from aiming guide rod 2, due to described first sleeve joint hole 24 and a wherein upright opening 731 of described intramedullary pin 7, pinning accurately can be squeezed in upright opening 731 by described first sleeve joint hole 24.
Understandable, can subtend side opening 733, inclined hole 735, upright opening 731 order of squeezing into pinning adjust as required.
Understandable, the quantity of described aiming arm 53 can be 1.In use, first can squeeze into pinning in an inclined hole 735 wherein, then the installation site regulating far-end to aim at block 5 is set according to another inclined hole 735, accurately squeeze in another inclined hole 735 described in intramedullary pin 7 by described sight hole 533 to make pinning.
Understandable, when the quantity of described side opening 733 is 1, can first side keeper 6 be inserted in side opening 733 through parallel hole 451, to carry out location, side to intramedullary pin 7, so can guarantee the degree of accuracy squeezing into pinning in upright opening 731 and inclined hole 735; Afterwards, side keeper 6 is disassembled, be convenient to through parallel hole 451, pinning be squeezed in side opening 733.
This utility model is by aiming at the described positioning component 3 guide rod 2 installed and offsets with described intramedullary pin 7, ensure that the axis being parallel aiming at guide rod 2 upper surface and intramedullary pin 7 distal portion 73, that so can guarantee to squeeze into the pinning of two side openings 733 of intramedullary pin 7 by two parallel holes 451 of far-end diopter 4 has high degree of accuracy.Further, this utility model also by installing far-end diopter 4 on aiming guide rod 2, having carried out location, side by described side keeper 6 pairs of intramedullary pins 7, having improve the degree of accuracy squeezing into pinning in two inclined holes 735 and two upright openings 731.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. an intramedullary nail sighting device, comprise a Handleset (1) and removably fixing intramedullary pin (7) and aim at guide rod (2), described Handleset (1) and far-end diopter (4) are removably mounted on this aiming guide rod (2), it is characterized in that: this intramedullary nail sighting device also comprises a positioning component (3) and a far-end diopter (4), the distal portion (73) that described intramedullary pin (7) comprises a close end (71) and is connected with close end (71), this distal portion (73) offers at least one side opening (733), described close end (71) and distal portion (73) angulation α, the handle body (15) that described Handleset (1) comprises a linking arm (11), an intramedullary pin Fixed Division (13) and is connected between this linking arm (11) and intramedullary pin Fixed Division (13), angulation β between this linking arm (11) and intramedullary pin Fixed Division (13), the angle beta of Handleset (1) is identical with the angle [alpha] of intramedullary pin (7), aim at guide rod (2) upper surface and the axis being parallel being arranged on intramedullary pin (7) distal portion (73) on Handleset (1), this far-end diopter (4) offers at least one parallel hole (451), and the axis of parallel hole described in each (451) aligns with a wherein side opening (733) of intramedullary pin (7).
2. intramedullary nail sighting device as claimed in claim 1, it is characterized in that: this intramedullary nail sighting device also comprises a positioning component (3), this positioning component (3) one end is passed this aiming guide rod (2) and is supported with intramedullary pin (7).
3. intramedullary nail sighting device as claimed in claim 1 or 2, is characterized in that: this intramedullary nail sighting device also comprises one and is removably mounted on the far-end aimed on guide rod (2) and aims at block (5).
4. intramedullary nail sighting device as claimed in claim 3, it is characterized in that: this intramedullary pin (7) offers at least one inclined hole (735), this far-end aims at least one aiming arm (53) that block (5) comprises a junction (51) and is connected with this connecting portion (51), aiming arm described in each (53) offers a sight hole (533), the axial alignment of the described at least one inclined hole (735) on this sight hole (533) and intramedullary pin (7).
5. intramedullary nail sighting device as claimed in claim 4, it is characterized in that: this intramedullary pin (7) also offers at least one upright opening (731), the upper surface of described aiming guide rod (2) offers the first sleeve joint hole (24), the axial alignment of this first sleeve joint hole (24) and described upright opening (731).
6. intramedullary nail sighting device as claimed in claim 5, it is characterized in that: the upper surface of described aiming guide rod (2) also offers the second sleeve joint hole (25), this connecting portion (51) also offers a through hole (511) and be separately positioned on two pins (513) of this through hole (511) both sides, this two pins (513) projection is arranged on far-end and aims at block (5) lower surface, coordinates respectively far-end to be aimed at block (5) and be removably fixed on and aim on guide rod (2) with described first sleeve joint hole (24), the second sleeve joint hole (25).
7. intramedullary nail sighting device as claimed in claim 5, it is characterized in that: this intramedullary nail sighting device also comprises a side keeper (6), this side keeper (6) is removably mounted on described far-end diopter (4), and one end of described side keeper (6) is through a wherein parallel hole (451) and insert wherein in a side opening (733).
8. intramedullary nail sighting device as claimed in claim 7, is characterized in that: the quantity of described aiming arm (53) is that 2, two aiming arms (53) are separately positioned on this connecting portion (51) both sides.
9. intramedullary nail sighting device as claimed in claim 8, it is characterized in that: aiming arm described in each (53) offers a sight hole (533), described far-end aims at two sight holes (533) on block (5) symmetrically or asymmetric setting.
10. intramedullary nail sighting device as claimed in claim 1, it is characterized in that: this intramedullary nail sighting device also wraps a side keeper (6), this side keeper (6) is removably mounted on described far-end diopter (5), and one end of described side keeper (6) is through a wherein parallel hole (451) and insert wherein in a side opening (733).
CN201420254928.8U 2014-05-16 2014-05-16 Intramedullary nail sighting device Expired - Lifetime CN204072304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420254928.8U CN204072304U (en) 2014-05-16 2014-05-16 Intramedullary nail sighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420254928.8U CN204072304U (en) 2014-05-16 2014-05-16 Intramedullary nail sighting device

Publications (1)

Publication Number Publication Date
CN204072304U true CN204072304U (en) 2015-01-07

Family

ID=52165076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420254928.8U Expired - Lifetime CN204072304U (en) 2014-05-16 2014-05-16 Intramedullary nail sighting device

Country Status (1)

Country Link
CN (1) CN204072304U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105078564A (en) * 2014-05-16 2015-11-25 常州健力邦德医疗器械有限公司 Intramedullary nail far-end aiming device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105078564A (en) * 2014-05-16 2015-11-25 常州健力邦德医疗器械有限公司 Intramedullary nail far-end aiming device

Similar Documents

Publication Publication Date Title
CN105078564A (en) Intramedullary nail far-end aiming device
US20130116733A1 (en) Bone Clamp and Method
CN204542243U (en) Control of Hemorrhage in Laparoscopic Liver door block device
CN205234569U (en) Thighbone neck side position drilling director
CN202515750U (en) Femur lesser trochanter reposition fixator
CN204072304U (en) Intramedullary nail sighting device
CN203468729U (en) Sighting device for orthopedic surgery operations
CN208640915U (en) A kind of bone surgery orienting locator
CN209499881U (en) A kind of orthopedic kirschner pin guiding device
MX2017006209A (en) Secure guide device.
CN106073857A (en) A kind of multi-functional replacement and fixation guide forceps
CN208511153U (en) Lower tibiofibula positions bone-knitting device
CN203802551U (en) Detachable gun-type fracture repositor
CN204951140U (en) Sufficient ankle part location sight
CN206239471U (en) A kind of multi-functional replacement and fixation guide forceps
CN203763594U (en) Autogenous fat breast enlargement positioning syringe
CN103961166B (en) Locating assembly for parallel needle penetration and angle rotation of femoral osteotomy of hip dislocation and locating method
CN206443753U (en) A kind of care of fractured fingers reduction instrument
CN213910469U (en) Atlas pedicle screw guider
CN208864413U (en) A kind of novel fibula joint guider
CN204219007U (en) With the reduction of the fracture bone forceps of directional sighting device
CN204233544U (en) One is anesthetic syringe safely and efficiently
CN104161563A (en) Medical fracture closed reduction forceps
CN103961175A (en) Guider for fixing dynamic hip screws for proximal femoral fractures
CN203280430U (en) Spine side path minimally invasive surgery channel device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20150107

CX01 Expiry of patent term