CN207708002U - A kind of minimally invasive retractor - Google Patents
A kind of minimally invasive retractor Download PDFInfo
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- CN207708002U CN207708002U CN201720693810.9U CN201720693810U CN207708002U CN 207708002 U CN207708002 U CN 207708002U CN 201720693810 U CN201720693810 U CN 201720693810U CN 207708002 U CN207708002 U CN 207708002U
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Abstract
The utility model discloses a kind of minimally invasive retractors, are mainly made of the first spicule, the second spicule, spicule bindiny mechanism, vertical supporting bar, transverse support bar, up and down adjustment bar and longitudinal stretching bar.First spicule, second spicule laterally squeezes into fracture both ends convenient for pulling open the position of fracture site respectively, the vertical supporting bar has two sets, it is respectively placed in the both sides of fracture limbs, its front end is connect by the spicule bindiny mechanism with first spicule, rear end is connect with the transverse support bar, the transverse support bar both ends are respectively equipped with the up and down adjustment bar, it is characterized in that the lower end of the up and down adjustment bar is respectively equipped with longitudinal stretching bar, the longitudinal stretching bar is identical as the vertical supporting bar direction, the front end of the longitudinal stretching bar connects second spicule, rear end connects the up and down adjustment bar, the longitudinal stretching bar is rotated to strut two broken ends of fractured bone of fracture, closed reduction.
Description
Technical field
The utility model provides a kind of medical instrument, especially a kind of minimally invasive retractor.
Background technology
Fixation is to treat the common method of limbs fracture in intramedullary nail, is needed first by the reduction of the fracture, using traction before drift bolt
Bed reset is the conventional method that current most orthopedists use, but is limited in art due to traction table special posture
The flexibility of operation operates particularly difficult especially for the patient that build is healthy and strong or fat in art.
Utility model content
The utility model provides a kind of minimally invasive retractor, to solve above-mentioned difficulties.
A kind of minimally invasive retractor is mainly by the first spicule, the second spicule, spicule bindiny mechanism, vertical supporting bar, cross
It is formed to supporting rod, up and down adjustment bar and longitudinal stretching bar.First spicule, the second spicule laterally squeeze into fracture both ends respectively
Convenient for pulling open the position of fracture site, the vertical supporting bar has two sets, is respectively placed in the both sides of fracture limbs, front end passes through
The spicule bindiny mechanism connect with first spicule, and rear end is connect with the transverse support bar, the transverse support bar two
End is respectively equipped with the up and down adjustment bar, it is characterised in that the lower end of the up and down adjustment bar is respectively equipped with longitudinal stretching bar, institute
State that longitudinal stretching bar is identical as the vertical supporting bar direction, the front end of the longitudinal stretching bar connects second spicule, after
End connects the up and down adjustment bar, rotate the longitudinal stretching bar will fracture two broken ends of fractured bone strut, closed reduction.
Preferably, the longitudinal stretching bar is made of spicule hook, coupling sleeve and screw rod, and the spicule, which hooks, is equipped with external screw thread,
External screw thread is equipped with purl nut, and the spicule hooks front end and is equipped with groove, and second spicule is caught on by the groove, and by institute
Purl nut check is stated, the screw front end is equipped with bulb, and rear end is equipped with handle or tool handle, and the coupling sleeve is placed on the ball
On head and it is threaded onto spicule hook rear end, the screw rod is hooked flexural pivot with the spicule to be connect.
Preferably, up and down adjustment bar lower end is equipped with the elongated hole of perforation and the pin hole vertically through elongated hole, described
Removable pin is equipped in pin hole, the removable pin is equipped with the spiral shell of perforation across the elongated hole, and on the removable pin in elongated hole
Rod aperture, the screw rod are threaded onto in the screw hole.
Preferably, the transverse support bar both ends, which are respectively equipped with, is slidably matched up and down and with the up and down adjustment bar
Up and down adjustment rod aperture, the transverse support bar both ends of the surface are respectively equipped with the groove vertical with up and down adjustment rod aperture, the groove-bottom
Face is equipped with locking screw keyhole with the up and down adjustment rod aperture vertically through the transverse support bar both ends are respectively equipped with longitudinal bracing
Bar connector sleeve, the vertical supporting bar connector sleeve are buckled in equipped with boss in the groove, and the vertical supporting bar connector sleeve is forward
It stretches out, front end face is equipped with blind hole, and for being inserted into the vertical supporting bar, end side surface is equipped with same with the locking screw keyhole thereafter
The unthreaded hole of axis, the transverse support bar both ends are respectively equipped with clamping screw, and the clamping screw is threaded onto described across the unthreaded hole
In locking screw keyhole, for locking the up and down adjustment bar, while the fixed vertical supporting bar connector sleeve, the cross-brace
Longitudinal bracing lever attachment hole is equipped among bar.
Preferably, the vertical supporting bar includes casing, supporting rod and bolt, and described sleeve pipe one end is equipped with polished rod, another
End is equipped with deep hole along its axis, and the supporting rod is inserted into deep hole, and described sleeve pipe outer circle is uniformly distributed several vertical along its axis direction
Through the pin hole of deep hole hole wall, when needing to extend the length of vertical supporting bar, pin hole barrier support bar is inserted into the bolt
Insertion depth, the bolt is inserted into different pin holes, supporting rod can be made to stretch out different length.
A kind of minimally invasive retractor rotates the handle of the longitudinal stretching bar, it can be achieved that support when carrying out fracture operation
The effect for resetting two fracture site bones is closed in open and close, can make the position of the second spicule or more especially by up and down adjustment bar is adjusted
It sets, parallel or angled movement, while the second spicule can be kept parallel longitudinal or angled movement by adjusting longitudinal stretching bar, come
The relative position for adjusting the first spicule and the second spicule complies with fracture and struts closure line of force needs, thus makes to strut and answer
The bit manipulation used time is shorter, more acurrate.When closed reduction, magnetic navigation intramedullary nail treatment limbs fracture can be combined, not only solved
The problem of closed reduction also greatly increases the flexibility operated in art, and avoids and caused due to application traction table resets
Complication.
Description of the drawings
Fig. 1 is the first structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of longitudinal stretching bar.
Fig. 3 is the structural schematic diagram of transverse support bar.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is the structural schematic diagram of vertical supporting bar.
Fig. 6 is the first structural schematic diagram of spicule bindiny mechanism
Fig. 7 is second of structural schematic diagram of the utility model.
Specific implementation mode
The embodiment provided below in conjunction with the accompanying drawings further illustrates the utility model.
Attached drawing 1- Fig. 6 is a kind of the first embodiment of minimally invasive retractor described in the utility model, and described one kind is minimally invasive
Retractor is mainly by the first spicule 1, the second spicule 2, spicule bindiny mechanism 3, vertical supporting bar 4, transverse support bar 5, upper downward
Pole 6 and longitudinal stretching bar 7 form.First spicule 1, the second spicule 2 laterally squeeze into fracture both ends convenient for pulling open bone respectively
Fracture the position at end, and the vertical supporting bar 4 has two sets, is respectively placed in the both sides of fracture limbs, front end passes through the spicule
Bindiny mechanism 3 connect with first spicule 1, and rear end is connect with the transverse support bar 5,5 both ends of the transverse support bar point
It She You the up and down adjustment bar 6, it is characterised in that the lower end of the up and down adjustment bar 6 is respectively equipped with longitudinal stretching bar 7, described
Longitudinal stretching bar 7 is identical as 4 direction of the vertical supporting bar, and the front end of the longitudinal stretching bar 7 connects second spicule 2,
Rear end connects the up and down adjustment bar 6, rotate the longitudinal stretching bar 7 will fracture two broken ends of fractured bone strut, closed reduction.
Preferably, the longitudinal stretching bar 7 hooks 71, coupling sleeve 72 by spicule and screw rod 73 forms, and the spicule hooks 71 and sets
There are external screw thread, external screw thread to be equipped with purl nut, the spicule hooks 71 front ends and is equipped with groove, and second spicule 2 is by the ditch
Slot is caught on, and by the purl nut check, and 73 front end of the screw rod is equipped with bulb, and rear end is equipped with handle or tool handle, described
Coupling sleeve 72, which is placed on the bulb and is threaded onto the spicule, hooks 71 rear ends, and the screw rod 73 and the spicule are hooked 71 flexural pivots
Connection.
Preferably, 6 lower end of up and down adjustment bar is equipped with the elongated hole of perforation and the pin hole vertically through elongated hole, described
Removable pin is equipped in pin hole, the removable pin is equipped with the spiral shell of perforation across the elongated hole, and on the removable pin in elongated hole
Rod aperture, the screw rod 73 are threaded onto in the screw hole.
Preferably, 5 both ends of the transverse support bar are respectively equipped with up and down and are slidably matched with the up and down adjustment bar 6
Up and down adjustment rod aperture 51,5 both ends of the surface of the transverse support bar are respectively equipped with the groove 52 vertical with up and down adjustment rod aperture, described
52 bottom surface of groove is equipped with locking screw keyhole with the up and down adjustment rod aperture vertically through 5 both ends of the transverse support bar are set respectively
There are vertical supporting bar connector sleeve 53, the vertical supporting bar connector sleeve 53 to be buckled in the groove 52 equipped with boss, the longitudinal direction
Support rod connecting sleeve 53 forward extends out, and front end face is equipped with blind hole, and for being inserted into the vertical supporting bar 4, end side surface is set thereafter
There are the unthreaded hole coaxial with the locking screw keyhole, 5 both ends of the transverse support bar to be respectively equipped with clamping screw 54, the locking screw
Bolt 54 is threaded onto across the unthreaded hole in the locking screw keyhole, for locking the up and down adjustment bar 6, while the fixed longitudinal direction
Support rod connecting sleeve 53,5 centre of the transverse support bar are equipped with longitudinal bracing lever attachment hole 55.
Preferably, the vertical supporting bar 4 includes casing 41, supporting rod 43 and bolt 42, and 41 one end of described sleeve pipe is equipped with
Polished rod, the other end are equipped with deep hole along its axis, are inserted into the supporting rod 43 in deep hole, 41 outer circle of described sleeve pipe is along its axis direction
Uniformly distributed several pin holes for extending vertically through deep hole hole wall are inserted into when needing to extend the length of vertical supporting bar 4 with the bolt 42
The insertion depth of pin hole barrier support bar 43, the bolt 42 are inserted into different pin holes, and supporting rod 43 can be made to stretch out difference
Length.
Preferably, 3 top of spicule bindiny mechanism is equipped with spicule connecting rod 31, and the spicule connecting rod 31 is equipped with spicule
Groove 32 and external screw thread, external screw thread are equipped with purl nut 33, and spicule connecting rod lower end is equipped with vertical supporting bar connector
34, the vertical supporting bar connector 34 is at an angle of setting, the vertical supporting bar connector 34 with the spicule connecting rod 31
Equipped with endoporus.
Attached drawing 7 is a kind of second of embodiment of minimally invasive retractor described in the utility model, is mainly used for femoral fracture
Distraction reduction.A kind of second of embodiment of minimally invasive retractor is carried out on the basis of the first embodiment
Improvement, a kind of minimally invasive retractor mainly by the first spicule 8, the second spicule 2, spicule bindiny mechanism 9, vertical supporting bar 4,
Transverse support bar 5, up and down adjustment bar 6 and longitudinal stretching bar 7 form.First spicule 8 squeezes into ilium ridge from top to bottom, described
Longitudinal extension bar 4 is changed to one by the two pieces of the first embodiment, and front end passes through the spicule bindiny mechanism 9 and described the
One spicule 8 connects, and the longitudinal bracing rod aperture 55 among its rear end and the transverse support bar 5 connects.
Preferably, the spicule bindiny mechanism 9 includes spicule casing and pipe pipe clamp, and the spicule casing is placed on described first
On spicule 9, the front end of the spicule casing and the vertical supporting bar 4 is implemented to connect by the pipe pipe clamp.
Claims (6)
1. a kind of minimally invasive retractor, mainly by the first spicule (1), the second spicule (2), spicule bindiny mechanism (3), vertical supporting bar
(4), transverse support bar (5), up and down adjustment bar (6) and longitudinal stretching bar (7) composition, first spicule (1), the second spicule
(2) it laterally squeezes into fracture both ends respectively to be convenient for pulling open the position of fracture site, the vertical supporting bar (4) has two sets, sets respectively
In the both sides of fracture limbs, front end is connect by the spicule bindiny mechanism (3) with first spicule (1), rear end and institute
Transverse support bar (5) connection is stated, transverse support bar (5) both ends are respectively equipped with the up and down adjustment bar (6), it is characterised in that
The lower end of the up and down adjustment bar (6) is respectively equipped with longitudinal stretching bar (7), the longitudinal stretching bar (7) and the longitudinal bracing
Bar (4) direction is identical, and the front end of the longitudinal stretching bar (7) connects second spicule (2), and rear end connects the up and down adjustment
Bar (6), rotate the longitudinal stretching bar (7) will fracture two broken ends of fractured bone strut, closed reduction.
2. a kind of minimally invasive retractor according to claim 1, it is characterised in that the longitudinal stretching bar (7) is hooked by spicule
(71), coupling sleeve (72) and screw rod (73) composition, the spicule hook (71) and are equipped with external screw thread, and external screw thread is equipped with purl nut,
The spicule hooks (71) front end and is equipped with groove, and second spicule (2) is caught on by the groove, and by the purl nut lock
Tightly, screw rod (73) front end be equipped with bulb, rear end be equipped with handle or tool handle, the coupling sleeve (72) be placed on the bulb it
It goes up and is threaded onto the spicule and hook (71) rear end, the screw rod (73) is hooked (71) flexural pivot with the spicule to be connect.
3. a kind of minimally invasive retractor according to claim 1, it is characterised in that up and down adjustment bar (6) lower end is equipped with perforation
Elongated hole and pin hole vertically through elongated hole, be equipped with removable pin in the pin hole, the removable pin across the elongated hole,
And the screw hole of perforation is equipped on the removable pin in elongated hole, the screw rod (73) is threaded onto in the screw hole.
4. a kind of minimally invasive retractor according to claim 1, it is characterised in that transverse support bar (5) both ends are respectively equipped with
The up and down adjustment rod aperture (51) being slidably matched up and down and with the up and down adjustment bar (6), transverse support bar (5) both ends
Face is respectively equipped with the groove vertical with up and down adjustment rod aperture (52), groove (52) bottom surface be equipped with locking screw keyhole with it is described on
Lower dolly bar hole is vertically through transverse support bar (5) both ends are respectively equipped with vertical supporting bar connector sleeve (53), the longitudinal direction
Support rod connecting sleeve (53) is buckled in equipped with boss in the groove (52), and the vertical supporting bar connector sleeve (53) forward extends out,
Its front end face is equipped with blind hole, and end side surface is equipped with the unthreaded hole coaxial with the locking screw keyhole, the transverse support bar (5) two thereafter
End is respectively equipped with clamping screw (54), and the clamping screw (54) is threaded onto in the locking screw keyhole across the unthreaded hole, is used for
The up and down adjustment bar (6) is locked, while the fixed vertical supporting bar connector sleeve (53), the transverse support bar (5) are intermediate
Equipped with longitudinal bracing lever attachment hole (55).
5. a kind of minimally invasive retractor according to claim 1, it is characterised in that the vertical supporting bar (4) includes casing
(41), supporting rod (43) and bolt (42), described sleeve pipe (41) one end are equipped with polished rod, and the other end is equipped with deep hole along its axis, deep
It is inserted into the supporting rod (43) in hole, described sleeve pipe (41) outer circle several extends vertically through the deep hole hole along its axis direction is uniformly distributed
The pin hole of wall is inserted into pin hole barrier support bar (43) when needing to extend the length of vertical supporting bar (4) with the bolt (42)
Insertion depth, the bolt (42) is inserted into different pin holes, supporting rod (43) can be made to stretch out different length.
6. a kind of minimally invasive retractor according to claim 1, it is characterised in that spicule bindiny mechanism (3) top is equipped with bone
Needle connecting rod (31), the spicule connecting rod (31) are equipped with spicule groove (32) and external screw thread, and external screw thread is equipped with purl nut
(33), spicule connecting rod (31) lower end is equipped with vertical supporting bar connector (34), the vertical supporting bar connector (34)
With the angled setting of the spicule connecting rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693810.9U CN207708002U (en) | 2017-06-15 | 2017-06-15 | A kind of minimally invasive retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693810.9U CN207708002U (en) | 2017-06-15 | 2017-06-15 | A kind of minimally invasive retractor |
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| Publication Number | Publication Date |
|---|---|
| CN207708002U true CN207708002U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720693810.9U Active CN207708002U (en) | 2017-06-15 | 2017-06-15 | A kind of minimally invasive retractor |
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| Country | Link |
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| CN (1) | CN207708002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088088A (en) * | 2017-06-15 | 2017-08-25 | 山东航维骨科医疗器械股份有限公司 | A kind of minimally invasive retractor |
-
2017
- 2017-06-15 CN CN201720693810.9U patent/CN207708002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088088A (en) * | 2017-06-15 | 2017-08-25 | 山东航维骨科医疗器械股份有限公司 | A kind of minimally invasive retractor |
| CN107088088B (en) * | 2017-06-15 | 2020-01-14 | 山东航维骨科医疗器械股份有限公司 | Minimally invasive retractor |
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