CN204909528U - Trigeminal neuralgia professional retractor of performing operation - Google Patents
Trigeminal neuralgia professional retractor of performing operation Download PDFInfo
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- CN204909528U CN204909528U CN201520679229.2U CN201520679229U CN204909528U CN 204909528 U CN204909528 U CN 204909528U CN 201520679229 U CN201520679229 U CN 201520679229U CN 204909528 U CN204909528 U CN 204909528U
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- retractor
- trigeminal neuralgia
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- operations
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Abstract
The utility model relates to a trigeminal neuralgia professional retractor of performing operation, including the retractor body, be equipped with two gripper arms and a base on the retractor body, two gripper arm front ends are equipped with respectively to dial and grab, and all be in the same place with the base pin joint in its rear end, is provided with guiding device between the root of two gripper arms and the base, and the gripper arm includes preceding gripper arm and back gripper arm, and preceding gripper arm is constructed with back gripper arm link department has the screw, and the retractor body is equipped with the connector outward, and connector accessible screw spiral shell is adorned in two gripper arms, and guiding device includes worm and knob, worm and knob are the connection of turbine worm. The utility model discloses a trigeminal neuralgia professional retractor of performing operation, the practicality is dialled to grab and is led out stably, only needs the one -hand operation knob can control the angle that the retractor led out during the use, convenient operation, the retractor volume is less when leading out, can not disturb operation technique, can use the connector fixed with the retractor moreover, sheds back gripper arm part, reduces the retractor and occupies the part, increases the field of vision that exposes.
Description
Technical field
This utility model belongs to medical surgical instrument technical field, is specifically related to a kind of trigeminal neuralgia operations specialty retractor.
Background technology
The prosopalgic cause of disease has a variety of, wherein neural blood vessel compressing is Etiological, the compressing of pin neural blood vessel is normal adopts minimal vessel count treatment, and treat in prosopalgic clinical operation process at minimal vessel count and must use retractor, for short straight cut or curved incision after retracting brain mastoid process, in the lateral sinus sigmoid sinus angle of cut, do bone window craniotomy operation.
The use dynamics of traditional retractor is difficult to accurate control, and otch two ends discontinuity, fixing also stable not, must with the hands operate, when retracting, retractor volume is excessive, and interference operation technique, also affects the exposure in the visual field.
CN202821464U disclose one " mastoid retractor; it comprises the screw rod that adjustment rack central authorities screw combines; the adjustment rack two ends free end that is coupling respectively is the first pawl arm and the second pawl arm of drag hook; there is handle screw rod one end; the other end is the hinge seat simultaneously driving the first pawl arm, the second pawl arm folding; and adjustment rack two ends respectively axle connect one end of corresponding arc-shaped connecting rod, the arc-shaped connecting rod other end is coupling at the mid point of first connecting rod; First pawl arm and the second pawl arm are respectively connected one end of first connecting rod, second connecting rod respectively by 2 bearing pins, the other end of first connecting rod, second connecting rod is coupling respectively in the both sides of hinge seat.This retractor operation inconvenience, must with the hands regulate during use jointly, and complex structure, and volume is excessive, and interference operation technique, also affects the exposure in the visual field.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of allocated catch and retracts stable, the angle only needing one-handed performance knob can control retractor during use to retract, and retractor can be reduced take part, increase the trigeminal neuralgia operations specialty retractor in the visual field exposed.
This utility model is achieved in that
Trigeminal neuralgia operations specialty retractor of the present utility model, comprise retractor body, retractor body is provided with two gripping arms and a base, two gripping arm front ends are respectively equipped with allocated catch, its rear end is connected together with heel pin respectively, guiding device is provided with between the root of two gripping arms and base, gripping arm comprises the front gripping arm and rear gripping arm that are hinged, front gripping arm and rear gripping arm link place are configured with screw, adapter is provided with outside retractor body, adapter is three sections of connecting rods that can screw, adapter is contained in two gripping arms by screw spiral shell, the knob that guiding device comprises the root of connection two gripping arm and the worm screw of base and is installed on base, worm screw is installed in base, worm screw and knob are that turbine and worm is connected.
As further preferred structure of the present utility model, the allocated catch in two gripping arms is two allocated catches departed from respectively to outside, and being interlocked of can interlocking.
As further preferred structure of the present utility model, allocated catch is the gap of 4 the curved support bars be set up in parallel, two adjacent support bar interval 4mm.
As further improvement of the utility model, adapter two ends are provided with perforate, and perforate is connected with nut, and nut and screw can spin together.
Further, the degree of depth of screw is the 4/5-5/6 of front gripping arm thickness.
As further improvement of the utility model, base is provided with the groove of inwall with installing hole, knob is the gear with central shaft, and knob is arranged in groove by the central shaft be inserted in installing hole.
As further preferred structure of the present utility model, after two, the root of gripping arm is formed with semicircular recess respectively, and worm screw is inserted in recess respectively, and two rear gripping arms is fastened on worm screw by front nut and back nut.
Further, the length of the screw thread that worm screw is formed is identical with length of worm, and worm screw to be installed in base and to stretch out from other end.
Further, base is configured with the hand-held sleeve pipe be sleeved on outside worm screw.
Further, hand-held sleeve pipe is formed with indent and holds groove.
The beneficial effects of the utility model are, trigeminal neuralgia operations specialty retractor of the present utility model, practical, allocated catch retracts stable, the angle only needing one-handed performance knob can control retractor during use to retract, easy to operate, retractor small volume when retracting, can not disturb operation technique, and adapter can be used to be fixed by retractor, shed rear gripping arm part, reduce retractor and take part, increase the visual field exposed.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, this utility model is described further:
Fig. 1 is the structural representation of this utility model embodiment 1 trigeminal neuralgia operations specialty retractor;
Fig. 2 is the structural representation of the adapter of this utility model embodiment 1 trigeminal neuralgia operations specialty retractor;
Fig. 3 is the structural representation of the allocated catch of this utility model embodiment 2 trigeminal neuralgia operations specialty retractor;
Fig. 4 is the structural representation of this utility model embodiment 3 trigeminal neuralgia operations specialty retractor guiding device;
Wherein: 1, retractor body, 2, adapter, 11, two gripping arms, 12, base, 13, guiding device, 21, nut, 111, allocated catch, 112, front gripping arm, 113, rear gripping arm, 114, screw, 131, worm screw, 132, knob, front nut 133, back nut 134.
Detailed description of the invention
Embodiment 1
As shown in Figure 1 to Figure 2, a kind of trigeminal neuralgia operations specialty retractor, comprise retractor body 1, retractor body 1 is provided with two gripping arms 11 and a base 12, two gripping arm 11 front ends are respectively equipped with allocated catch 111, rear end is respectively together with base 12 pin joint, guiding device 13 is provided with between the root of two gripping arms 11 and base 12, gripping arm 11 comprises the front gripping arm 112 and rear gripping arm 113 that are hinged, front gripping arm 112 and rear gripping arm 113 link place are configured with screw 114, and the degree of depth of screw 114 is the 4/5-5/6 of front gripping arm 112 thickness.
Be provided with adapter 2 outside retractor body 1, adapter 2 is three sections of connecting rods that can screw, and adapter 2 two ends are provided with perforate, and perforate is connected with nut 21, and nut 21 and screw 114 can spin together.
The knob 132 that guiding device 13 comprises the root of connection two gripping arm 11 and the worm screw 131 of base 12 and is installed on base 12, worm screw 131 is installed in base 12, worm screw 131 with knob 132 for turbine and worm is connected.
Wherein, base 12 being provided with inwall with the groove knob of installing hole is gear with central shaft, and knob is arranged in groove by the central shaft be inserted in installing hole.
Embodiment 2
As described in Figure 3, this utility model provides a kind of trigeminal neuralgia operations specialty retractor, as different from Example 1, the allocated catch 111 in two gripping arms 11 is two allocated catches 111 departed from respectively to outside to this trigeminal neuralgia operations specialty retractor, and being interlocked of can interlocking.Wherein, 4 the curved support bars of allocated catch 111 for being set up in parallel, the gap of two adjacent support bar interval 4mm.
Embodiment 3
As described in Figure 4, this utility model provides a kind of trigeminal neuralgia operations specialty retractor, this trigeminal neuralgia operations specialty retractor as different from Example 2, after two, the root of gripping arm 113 is formed with semicircular recess respectively, worm screw 131 is inserted in recess respectively, and two rear gripping arms 113 is fastened on worm screw 131 by front nut 133 and back nut 134.The length of screw thread that worm screw 131 is formed is identical with worm screw 131 length, and worm screw 131 to be installed in base 12 and to stretch out from other end, base 12 is configured with the hand-held sleeve pipe be sleeved on outside worm screw 131, hand-held sleeve pipe 14 is formed with indent and holds groove.
The above embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from this utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (10)
1. a trigeminal neuralgia operations specialty retractor, comprise retractor body (1), described retractor body (1) is provided with two gripping arms (11) and a base (12), described two gripping arms (11) front end is respectively equipped with allocated catch (111), its rear end is all together with base (12) pin joint, guiding device (13) is provided with between the root of described two gripping arms (11) and base (12), it is characterized in that: described gripping arm (11) comprises the front gripping arm (112) and rear gripping arm (113) that are hinged, described front gripping arm (112) and rear gripping arm (113) link place are configured with screw (114), adapter (2) is provided with outside described retractor body (1), described adapter (2) is three sections of connecting rods that can screw, described adapter (2) is contained in two gripping arms (11) by screw (114) spiral shell, the knob (132) that described guiding device (13) comprises two roots of gripping arm (113) and the worm screw (131) of base (12) after connection two and is installed on base (12), described worm screw (131) with knob (132) for turbine and worm is connected.
2. trigeminal neuralgia operations specialty retractor according to claim 1, it is characterized in that: the allocated catch (111) on described two gripping arms (11) is two allocated catches (111) departed from respectively to outside, and being interlocked of can interlocking.
3. trigeminal neuralgia operations specialty retractor according to claim 2, is characterized in that: 4 the curved support bars of described allocated catch (111) for being set up in parallel, the gap of two adjacent support bar interval 4mm.
4. trigeminal neuralgia operations specialty retractor according to claim 1, it is characterized in that: described adapter (2) two ends are provided with perforate, described perforate is connected with nut (21), and described nut (21) and screw (114) can spin together.
5. trigeminal neuralgia operations specialty retractor according to claim 4, is characterized in that: the degree of depth of described screw (114) is the 4/5-5/6 of front gripping arm (112) thickness.
6. trigeminal neuralgia operations specialty retractor according to claim 1, it is characterized in that: described base (12) is provided with the groove of inwall with installing hole, described knob (132) is the gear with central shaft, and described knob (132) is arranged in groove by the central shaft be inserted in installing hole.
7. trigeminal neuralgia operations specialty retractor according to claim 1, it is characterized in that: after described two, the root of gripping arm (113) is formed with semicircular recess respectively, described worm screw (131) is inserted in recess respectively, and two rear gripping arms (113) is fastened on worm screw (131) by front nut (133) and back nut (134).
8. trigeminal neuralgia operations specialty retractor according to claim 7, it is characterized in that: the length of the upper screw thread formed of described worm screw (131) is identical with worm screw (131) length, described worm screw (131) to be installed in base (12) and to stretch out from other end.
9. trigeminal neuralgia operations specialty retractor according to claim 8, is characterized in that: described base (12) is configured with and is sleeved on worm screw (131) hand-held sleeve pipe (14) outward.
10. trigeminal neuralgia operations specialty retractor according to claim 9, is characterized in that: described hand-held sleeve pipe (14) is formed with indent and holds groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520679229.2U CN204909528U (en) | 2015-09-02 | 2015-09-02 | Trigeminal neuralgia professional retractor of performing operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520679229.2U CN204909528U (en) | 2015-09-02 | 2015-09-02 | Trigeminal neuralgia professional retractor of performing operation |
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| Publication Number | Publication Date |
|---|---|
| CN204909528U true CN204909528U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520679229.2U Active CN204909528U (en) | 2015-09-02 | 2015-09-02 | Trigeminal neuralgia professional retractor of performing operation |
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| CN (1) | CN204909528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215243A (en) * | 2019-07-18 | 2019-09-10 | 孙悦 | A kind of preauricular flstula operation auxiliary device |
| CN110215244A (en) * | 2019-07-18 | 2019-09-10 | 孙悦 | A kind of spreading mechanism for orthopedic spinal surgery tissue |
-
2015
- 2015-09-02 CN CN201520679229.2U patent/CN204909528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215243A (en) * | 2019-07-18 | 2019-09-10 | 孙悦 | A kind of preauricular flstula operation auxiliary device |
| CN110215244A (en) * | 2019-07-18 | 2019-09-10 | 孙悦 | A kind of spreading mechanism for orthopedic spinal surgery tissue |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |