CN108186107B - A kind of orthopedic kirschner pin propeller - Google Patents
A kind of orthopedic kirschner pin propeller Download PDFInfo
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- CN108186107B CN108186107B CN201810032950.0A CN201810032950A CN108186107B CN 108186107 B CN108186107 B CN 108186107B CN 201810032950 A CN201810032950 A CN 201810032950A CN 108186107 B CN108186107 B CN 108186107B
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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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- 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
- A61B2017/564—Methods for bone or joint treatment
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B2017/922—Devices for impaction, impact element
- A61B2017/924—Impact element driving means
- A61B2017/925—Impact element driving means a spring
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of orthopedic kirschner pin propellers, including gun body, propulsion unit, operating unit and restraint unit, gun body includes gun rack, connector, bore is formed with after being located at connector on gun rack, gun body is connected with syringe by connector, propulsion unit includes hollow push rod, reset spring and with movable plate, the front end of push rod is connected with the collet for clamping Kirschner wire after connector, operating unit includes the pressure handle being hubbed on gun rack, and one end of pressure handle is equipped with couple axle, couple axle is opposite to drive piece setting by being butted on, restraint unit includes restraint spring and locating part piece, syringe front end is connected with end cap, the end face of end cap is equipped with the conical head with end cap one, cylindrical hole is provided in conical head, guide sleeve is removably installed in end cap, design is reasonable, it promotes laborsaving, it does not need to make Kirschner wire of hand and draw It leads.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically, refer to a kind of orthopedic kirschner pin propeller.
Background technique
Kirschner wire is a kind of common internal fixation material of orthopaedics, and former specification is generally fixed to 20 centimeters or so, diameter
There are different several specifications between 0.5-2 millimeters, it is solid for fixing short and small fracture or the little fracture of avulsion fracture iso-stress
It is fixed, it is also commonly used in bone surgery in the fixation of interim sclerite.
Clinically for Orthopeadic Surgery doctor in fracture site fixed to patient, bone junction is usually bored one with electric drill by doctor
Then a hole needs doctor to be pounded Kirschner wire into hole using hammer with hand steered Kirschner wire, an another hand, there may come a time when by
Patient bone is damaged in overexerting, while Kirschner wire is longer, it is easy to cause Kirschner wire to be bent, increase more to patient
Big pain increases the operating pressure of doctor.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, and a kind of orthopedic kirschner pin is provided and is pushed away
Into device, impeller design of the invention is rationally, propulsion is laborsaving, does not need to guide Kirschner wire with hand.
The technical scheme of the invention to solve the technical problem is:
A kind of orthopedic kirschner pin propeller, including gun body, propulsion unit, operating unit and restraint unit, gun body include
Gun rack, connector are formed with bore after being located at connector on gun rack, and gun body is connected with syringe, propulsion unit packet by connector
It includes hollow push rod, reset spring and with movable plate, the front end of push rod is connected with after passing through connector for clamping Kirschner wire
The needle body of collet, Kirschner wire can be placed through in push rod, and collet is slidably matched with syringe inner wall, and push rod is located on the body of rod in bore
It is coated with reset spring and with movable plate, band movable plate one-way tape moves push rod and pushes ahead, and operating unit includes being hubbed on gun rack
Pressure handle, and one end of pressure handle is equipped with couple axle, couple axle is opposite to drive piece setting by being butted on, and push rod stretches out the rear end of gun body, and
Across restraint unit, restraint unit includes restraint spring and locating part piece, and restraint spring and locating part piece are set on push rod, limit
Position part piece and gun rack are pivotally connected, and restraint spring is by being butted between locating part piece and gun rack, and syringe front end is connected with end cap, end cap
End face is equipped with the conical head with end cap one, is provided with cylindrical hole in conical head, is removably equipped with guide sleeve in end cap, leads
It is made of to set fixing seat and draw pin set, guide sleeve is provided centrally with the guide pinhole being adapted to Kirschner wire, and draw pin set is set in circle
In post holes.
To optimize above-mentioned technical proposal, the measure taken further include:
Above-mentioned collet includes drill body, housing, gear ring, clamping jaw, pulls wheel, and the interference of housing rear end is connected on drill body, housing
Outer surface and syringe inner wall snug sliding fit, inner surface and the gear ring of housing be slidably matched, and drill body center is equipped with for kirschner
The through-hole that needle passes through, three clamping jaws are separately mounted in the inclined hole of three equal parts on drill body, and gear ring is mounted on the gear ring of drill body
Its end is equipped with the wheel bore of pulling that can be equipped with the tooth socket of pulling wheel cooperation, drill body and pull wheel cooperation in slot, on gear ring and clamping jaw
It is threadedly engaged to form thread transmission, pulls wheel belt and move ring gear against rotation, gear ring drives clamping jaw on drill body through thread transmission
Inclined hole in be moved forward and backward, so that three clamping jaws be made to open or closure.
The rear end of above-mentioned drill body is provided with internal screw thread, and the front end of push rod is provided with external screw thread, and drill body is connected by screw thread
It connects in push rod end.
Guide slots are axially provided on above-mentioned syringe, wheel tail portion is pulled and is connected with trigger piece, pull wheel by cylindrical wheel bar
And the work head being located on wheel bar with gear ring cooperation forms, and pulls and is provided with locking groove in wheel bore, the head for taking turns bar is equipped with and stops
Convex ribs that dynamic slot is worked in coordination and making are pulled wheel and are rotated pulling in wheel bore, and cannot extract, and the body of rod and guide slots for taking turns bar cooperate
Sliding guidance push rod linear motion.
Above-mentioned syringe front end is provided with rotatable lever, and rotatable lever is made of handle and clamping piece, handle head
Portion is equipped with stud, is provided with the screw hole being adapted to stud on clamping piece, wear-resistant pad, wear-resistant pad one end and stud are provided in screw hole
The other end that offsets offsets with syringe outer surface.
Reinforcing rib is equipped between above-mentioned gun rack and connector.
Above-mentioned gun rack rear end is equipped with support block.
The rear end of above-mentioned push rod is connected with pull ring.
Above-mentioned syringe is made of transparent material, and scale is provided on syringe.
Above-mentioned push rod outer surface is circumferentially with the anti-skid chequer for increasing frictional force.
A kind of orthopedic kirschner pin propeller of the invention, including gun body, propulsion unit, operating unit and restraint unit,
Gun body includes gun rack, connector, is formed with bore after being located at connector on gun rack, gun body is connected with syringe by connector, pushes away
It include hollow push rod, reset spring and with movable plate into unit, the front end of push rod is connected with after passing through connector for clamping
The needle body of the collet of Kirschner wire, Kirschner wire can be placed through in push rod, and collet is slidably matched with syringe inner wall, and push rod is located in bore
Body of rod upper sleeve through have reset spring and with movable plate, band movable plate one-way tape moves push rod and pushes ahead, operating unit includes being hubbed at
Pressure handle on gun rack, and one end of pressure handle is equipped with couple axle, couple axle is opposite to drive piece setting by being butted on, and push rod stretches out gun body
Rear end, and restraint unit is passed through, restraint unit includes restraint spring and locating part piece, and restraint spring and locating part piece are set in and push away
On bar, locating part piece and gun rack are pivotally connected, and for restraint spring by being butted between locating part piece and gun rack, syringe front end is connected with end
Lid, the end face of end cap are equipped with the conical head with end cap one, are provided with cylindrical hole in conical head, are removably equipped in end cap
Guide sleeve, guide sleeve are made of fixing seat and draw pin set, and guide sleeve is provided centrally with the guide pinhole being adapted to Kirschner wire, draw pin set
It is set in cylindrical hole, design is rationally, propulsion is laborsaving, does not need to guide Kirschner wire with hand.
Of the invention has the advantage that
1, facilitate gripping, when fixed, pressing pressure handle can promote Kirschner wire, time saving and energy saving；
2, it does not need to guide needle with hand, using guide sleeve, Kirschner wire be guided more accurate；
3, suitable for the Kirschner wire of different thicknesses, when using the Kirschner wire of different thicknesses, as long as replacement is matched with Kirschner wire
The guide sleeve of set, reduces medical treatment cost；
4, this propeller is linear advancement, is suitable for various types of Kirschner wires, while can be avoided rotation propulsion gram
Family name is directed to the secondary injury of fracture site.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
Fig. 3 is chuck structure schematic diagram.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 3 is structural schematic diagram of the invention.
Appended drawing reference therein are as follows: gun body 1, connector 12, bore 13, support block 14, reinforcing rib 15, promotes list at gun rack 11
Member 2, push rod 21, reset spring 22, band movable plate 23, pull ring 24, operating unit 3, pressure handle 31, couple axle 32, restraint unit 4, limit
Spring 41, locating part piece 42, syringe 5, end cap 51, conical head 52, guide sleeve 53, fixing seat 54, the draw pin of moving cover 55, guide slots
56, scale 57, collet 6, drill body 61, housing 62, gear ring 63, clamping jaw 64, pull wheel 65, trigger piece 66, wheel bar 67, work head 68, only
Dynamic slot 69, Kirschner wire 7, rotatable lever 8, handle 81, clamping piece 82, stud 83, wear-resistant pad 84.
It is as shown in the figure: a kind of orthopedic kirschner pin propeller, including gun body 1, propulsion unit 2, operating unit 3 and restraint list
Member 4, gun body 1 include gun rack 11, the connector 12 with gun rack one, are formed with bore 13 after being located at connector 12 on gun rack 11,
Gun body 1 is connected with syringe 5 by connector 12, and syringe is threadedly coupled or is connected together with connector, and propulsion unit 2 includes hollow
Push rod 21, reset spring 22 and with movable plate 23, hollow push rod is equipped in connector 12 for accommodating too long Kirschner wire
The through-hole being adapted to push rod, the front end of push rod 21 are connected with the folder for clamping Kirschner wire 7 after the through-hole in connector 12
First 6, the needle body of Kirschner wire 7 can be placed through in push rod 21, and collet 6 is slidably matched with 5 inner wall of syringe, and push rod 21 is located in bore 13
Body of rod upper sleeve through have reset spring 22 and with movable plate 23,22 one end of reset spring offsets with connector rear end, the other end drives
Piece 23 offsets, and unidirectionally push rod 21 is driven to push ahead with band movable plate 23, operating unit 3 includes the pressure handle being hubbed on gun rack 11
31, it is more laborsaving using pressure handle by lever principle, and one end of pressure handle 31 is equipped with couple axle 32, couple axle 32 is opposite by being butted on
Band movable plate 23 be arranged, push rod 21 stretch out gun body 1 rear end, and pass through restraint unit 4, restraint unit 4 include restraint spring 41 and
Locating part piece 42, locating part piece 42 are equipped with the through-hole passed through for push rod, and restraint spring 41 and locating part piece 42 are set in push rod
On 21, locating part piece 42 and gun rack 11 are pivotally connected, and restraint spring 41 is by being butted between locating part piece 42 and gun rack 11, using in mechanics
Locking phenomenon allows push rod to advance, mustn't retreat, and needs to pull out push rod, presses locating part piece 42, can pull out push rod, when
Patient presses pressure handle 31, and 32 pivot of couple axle of 31 one end of pressure handle is put and pushes against band 23 compression reseting spring 22 of movable plate and acts, and works as band
When 23 displacement action of movable plate, the displacement of push rod 21 is also driven simultaneously with movable plate 23 and then promotes Kirschner wire in the hole being drilled in advance,
Then reset when patient's pine oil pressure handle 31, reset spring 22 and with movable plate 23 and push rod 21 does not move back, the limited spring of moving of locating part piece 42
41 elastic force, locating part piece 42 prevent 21 rearward displacement of push rod, and 5 front end of syringe is connected with end cap 51, and the end face of end cap 51 is set
There is the conical head 52 with 51 one of end cap, is provided with cylindrical hole in conical head 52, guide sleeve is removably installed in end cap 51
53, guide sleeve 53 is made of fixing seat 54 and draw pin set 55, and guide sleeve 53 is provided centrally with the guide pinhole being adapted to Kirschner wire 7,
Draw pin set 55 is set in cylindrical hole, suitable for the Kirschner wire of different thicknesses, when using the Kirschner wire of different thicknesses, as long as more
Guide sleeve matched with Kirschner wire is changed, medical treatment cost is reduced.
In embodiment, collet 6 includes drill body 61, housing 62, gear ring 63, clamping jaw 64, pulls wheel 65, and 62 rear end interference of housing connects
It connects on drill body 61, the outer surface of housing 62 and 5 inner wall snug sliding fit of syringe, the inner surface and gear ring 63 of housing 62 slide
Cooperation, 61 center of drill body are equipped with the through-hole passed through for Kirschner wire, and three clamping jaws 64 are separately mounted to three equal parts on drill body 61
Inclined hole in, gear ring 63 is mounted on that its end in 63 slot of gear ring of drill body 61 is equipped with can be with the tooth sockets of pulling 65 cooperation of wheel, drill body 61
It is equipped with and pulls 65 holes of wheel with pull 65 cooperation of wheel, be threadedly engaged to form thread transmission on gear ring 63 and clamping jaw 64, pull wheel
65 drive gear ring 63 to rotate, and gear ring 63 drives clamping jaw 64 to be moved forward and backward in the inclined hole on drill body 61 through thread transmission, from
And three clamping jaws 64 is made to open or be closed.
In embodiment, the rear end of drill body 61 is provided with internal screw thread, and the front end of push rod 21 is provided with external screw thread, and drill body 61 is logical
It crosses and is threaded in 21 end of push rod.
In embodiment, it is axially provided with guide slots 56 on syringe 5, pulls 65 tail portions of wheel and is connected with trigger piece 66, trigger piece 66 is more
It is easy to operate to pull wheel 65, wheel 65 is pulled from cylindrical wheel bar 67 and is located on wheel bar 67 and 68 groups of work head with gear ring 63
At pulling in 65 holes of wheel and be provided with locking groove 69, the head of wheel bar 67 is equipped with the convex ribs worked in coordination with locking groove 69 and makes to pull wheel
65 rotate pulling in 65 holes of wheel, and cannot extract, the body of rod and guide slots 56 for taking turns bar 67 cooperate 21 straight line of sliding guidance push rod
Movement, linear advancement are suitable for various types of Kirschner wires, while can be avoided rotation and having promoted Kirschner wire to fracture site
Secondary injury.
In embodiment, 5 front end of syringe is provided with rotatable lever 8, and by holding rotatable lever, action advances device is more
Add stabilization, rotatable lever 8 is made of handle 81 and clamping piece 82, and 81 head of handle is equipped with stud 83, is arranged on clamping piece 82
There is the screw hole being adapted to stud 83,81 angle of handle can be adjusted by unscrewing stud 83, and stud is screwed after adjusting to be fixed, spiral shell
It is provided with wear-resistant pad 84 in hole, 84 one end of wear-resistant pad and stud 83 other end that offsets offset with 5 outer surface of syringe, and wear-resistant pad can be with
It prevents screw rod from directly acting on syringe to protect syringe, rotation clamping piece 82, adjustable lever 8 and syringe can be passed through
Angle is convenient for gripping.
In embodiment, it is equipped with reinforcing rib 15 between gun rack 11 and connector 12, increases firm.
In embodiment, 11 rear end of gun rack be equipped with support block 14, can make in this way press locating part piece 42 when, locating part piece 42 with
Support block 14 offsets and locating part piece 42 is released completely to push rod locking effect at this time.
In embodiment, the rear end of push rod 21 is connected with pull ring 24, it is easier to pull push rod.
In embodiment, syringe 5 is made of transparent material, and scale 57 is provided on syringe 5, and Kirschner wire is made to promote length more
Accurately.
In embodiment, 21 outer surface of push rod is circumferentially with the anti-skid chequer for increasing frictional force, with band movable plate 23 and locating part piece
42 cooperations are sensitiveer.
The working principle of the invention and operating method:
Kirschner Aculeata, is passed through the guide pinhole at guide sleeve center by Kirschner wire installation, is pulled wheel belt and is moved ring gear against rotation, gear ring warp
It is rear mobile in the inclined hole on drill body that thread transmission drives clamping jaw, so that three clamping jaws be made to open, Kirschner wire enters push rod
It is interior, so that Kirschner wire is exposed conical head slightly, rotation pulls wheel and three clamping jaw closures are stepped up Kirschner wire, and conical head is directed at bone
Head junction is drilled hole, presses pressure handle, and the couple axle pivot of pressure handle one end is put and pushes against band movable plate compression reseting spring and acts, and works as band
When movable plate displacement action, push rod displacement is also driven simultaneously with movable plate and then promotes Kirschner wire in the hole being drilled, then when patient pine
Discharge handle, reset spring and resets with movable plate, and the elastic force of the limited spring of moving of locating part piece, locating part piece prevents push rod position backward
Move, repeated presses pressure handle, by watching syringe high scale, can into extrapolating propulsion size, after being advanced to the size of needs,
It can be by Kirschner wire pinch off.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (9)
1. a kind of orthopedic kirschner pin propeller, it is characterized in that: including gun body (1), propulsion unit (2), operating unit (3) and limit
Moving cell (4), the gun body (1) include gun rack (11), connector (12), and connector (12) shape afterwards is located on the gun rack (11)
At having bore (13), the gun body (1) is connected with syringe (5) by connector (12), and the propulsion unit (2) includes hollow
Push rod (21), reset spring (22) and with movable plate (23), the front end of the push rod (21) is connected with after passing through connector (12)
For clamping the collet (6) of Kirschner wire (7), the needle body of the Kirschner wire (7) is placed through in push rod (21), the collet (6) with
Syringe (5) inner wall is slidably matched, and the push rod (21), which is located at the body of rod upper sleeve through in bore (13), the reset spring (22)
And the band movable plate (23), the band movable plate (23) unidirectionally drive the push rod (21) to push ahead, operating unit (3) packet
The pressure handle (31) being hubbed on gun rack (11) is included, and one end of the pressure handle (31) is equipped with couple axle (32), the couple axle
(32) opposite by being butted on band movable plate (23) setting, the push rod (21) stretches out the rear end of gun body (1), and passes through the restraint
Unit (4), the restraint unit (4) include restraint spring (41) and locating part piece (42), the restraint spring (41) and limit
Part piece (42) is set on the push rod (21), and the locating part piece (42) and the gun rack (11) are pivotally connected, the restraint spring
(41) by being butted between locating part piece (42) and gun rack (11), syringe (5) front end is connected with end cap (51), the end cap
(51) end face is equipped with the conical head (52) with end cap (51) one, is provided with cylindrical hole, the end in the conical head (52)
It being removably equipped with guide sleeve (53) in lid (51), the guide sleeve (53) is made of fixing seat (54) and draw pin set (55),
The guide sleeve (53) is provided centrally with the guide pinhole being adapted to Kirschner wire (7), and the draw pin set (55) is set in the cylinder
In hole；The collet (6) includes drill body (61), housing (62), gear ring (63), clamping jaw (64), pulls wheel (65), the housing (62)
Rear end interference is connected on drill body (61), the outer surface of the housing (62) and syringe (5) inner wall snug sliding fit, described outer
The inner surface of set (62) is slidably matched with gear ring (63), and drill body (61) center is equipped with the through-hole that passes through for Kirschner wire, and three
Clamping jaw (64) is separately mounted in the inclined hole of three equal parts on the drill body (61), and the gear ring (63) is mounted on drill body (61)
Gear ring (63) slot in its end be equipped with and can be equipped with the tooth socket of pulling wheel (65) cooperation, the drill body (61) and with described pull wheel
(65) what is cooperated pulls wheel (65) hole, is threadedly engaged to form thread transmission on the gear ring (63) and clamping jaw (64), described
It pulls wheel (65) and drives gear ring (63) rotation, the gear ring (63) drives clamping jaw (64) in drill body (61) through thread transmission
On inclined hole in be moved forward and backward, so that three clamping jaws (64) be made to open or closure.
2. a kind of orthopedic kirschner pin propeller according to claim 1, it is characterized in that: the rear end of the drill body (61) is arranged
There is internal screw thread, the front end of the push rod (21) is provided with external screw thread, and the drill body (61) is threadedly attached in push rod (21)
End.
3. a kind of orthopedic kirschner pin propeller according to claim 2, it is characterized in that: being axially arranged on the syringe (5)
Have guide slots (56), described wheel (65) tail portion of pulling is connected with trigger piece (66), and the wheel (65) of pulling is by cylindrical wheel bar (67)
And the work head (68) being located on wheel bar (67) with gear ring (63) cooperation forms, described pull in wheel (65) hole is provided with locking groove
(69), the head of wheel bar (67), which is equipped with the convex ribs worked in coordination with locking groove (69) and makes to pull wheel (65), pulls wheel described
(65) it rotates, and cannot extract in hole, the body of rod of wheel bar (67) and the guide slots (56) cooperate sliding guidance push rod
(21) it moves along a straight line.
4. a kind of orthopedic kirschner pin propeller according to claim 3, it is characterized in that: the syringe (5) front end is arranged
Have rotatable lever (8), the rotatable lever (8) is made of handle (81) and clamping piece (82), handle (81) head
Equipped with stud (83), it is provided with the screw hole being adapted to stud (83) on the clamping piece (82), is provided in the screw hole wear-resisting
It pads (84), described wear-resistant pad (84) one end and stud (83) other end that offsets offset with syringe (5) outer surface.
5. a kind of orthopedic kirschner pin propeller according to claim 4, it is characterized in that: the gun rack (11) and the connection
Reinforcing rib (15) are equipped between head (12).
6. a kind of orthopedic kirschner pin propeller according to claim 5 supports it is characterized in that: the gun rack (11) rear end is equipped with
Block (14).
7. a kind of orthopedic kirschner pin propeller according to claim 6, it is characterized in that: the rear end of the push rod (21) connects
It is connected to pull ring (24).
8. a kind of orthopedic kirschner pin propeller according to claim 7, it is characterized in that: the syringe (5) is transparent material
It is made, is provided with scale (57) on the syringe (5).
9. a kind of orthopedic kirschner pin propeller according to claim 8, it is characterized in that: the push rod (21) outer surface is circumferential
Equipped with the anti-skid chequer for increasing frictional force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032950.0A CN108186107B (en) | 2018-01-13 | 2018-01-13 | A kind of orthopedic kirschner pin propeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032950.0A CN108186107B (en) | 2018-01-13 | 2018-01-13 | A kind of orthopedic kirschner pin propeller |
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| CN108186107A CN108186107A (en) | 2018-06-22 |
| CN108186107B true CN108186107B (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810032950.0A Active CN108186107B (en) | 2018-01-13 | 2018-01-13 | A kind of orthopedic kirschner pin propeller |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171877B (en) * | 2018-10-24 | 2023-11-17 | 中国人民解放军第八十九医院 | Device for directionally drilling bone column hollow drill for operation |
| CN110432972B (en) * | 2019-08-15 | 2020-08-14 | 山东大学齐鲁医院(青岛) | Orthopedics is with directly going into formula ke shi needle propeller |
| US11413083B2 (en) * | 2019-09-16 | 2022-08-16 | Zimmer, Inc. | Spring loaded microfracture impactor |
| CN111000612A (en) * | 2019-12-09 | 2020-04-14 | 中国人民解放军总医院第五医学中心 | Skull perforation drainage device |
| CN113100904A (en) * | 2021-04-12 | 2021-07-13 | 徐州医科大学 | Orthopedic repositor with Kirschner wire guide device |
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| CN103815957A (en) * | 2014-03-20 | 2014-05-28 | 张英泽 | Long bone fracture intramedullary repositor capable of automatically feeding wire |
| CN203935266U (en) * | 2014-05-29 | 2014-11-12 | 西安三才电子有限公司 | A kind of pin type Kirschner wire that can send continuously bores |
| CN204500935U (en) * | 2015-02-15 | 2015-07-29 | 青岛大学附属医院 | Kirschner wire implantation device |
| CN107280758A (en) * | 2017-07-21 | 2017-10-24 | 湖南丹尼尔智能科技有限公司 | A kind of orthopaedics Kirschner wire fixation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9867647B2 (en) * | 2014-09-16 | 2018-01-16 | A.M. Surgical, Inc. | Device for driving fixation elements into bone and method of use thereof |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815957A (en) * | 2014-03-20 | 2014-05-28 | 张英泽 | Long bone fracture intramedullary repositor capable of automatically feeding wire |
| CN203935266U (en) * | 2014-05-29 | 2014-11-12 | 西安三才电子有限公司 | A kind of pin type Kirschner wire that can send continuously bores |
| CN204500935U (en) * | 2015-02-15 | 2015-07-29 | 青岛大学附属医院 | Kirschner wire implantation device |
| CN107280758A (en) * | 2017-07-21 | 2017-10-24 | 湖南丹尼尔智能科技有限公司 | A kind of orthopaedics Kirschner wire fixation device |
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| CN108186107A (en) | 2018-06-22 |
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