CN210749326U

CN210749326U - Retractor for neurosurgery

Info

Publication number: CN210749326U
Application number: CN201921012142.4U
Authority: CN
Inventors: 朱光升
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-06-16
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a retractor for neurosurgery, which comprises a bending frame and an annular handle, the adjusting device of the utility model consists of a rotating handle, a fixed cutting sleeve, a buckle, a rotating shaft and a clamping block, the clamping block and a bolt adjusting clamping groove are connected, the fixed cutting sleeve fixes the fixed cutting sleeve at a joint mechanism through the buckle, the rotating handle is clamped by bare hands to drive the rotating shaft to rotate, the device drives the bolt of the joint mechanism to adjust the tightness by rotating the clamping block, so that the device is convenient to open, the buckle can be moved to leave the joint mechanism through the fixed cutting sleeve after the adjustment, the work is not hindered, the adjusting device has the advantages that the non-adjusted retractor in an operating room is adjusted through the adjusting device, the joint mechanism of the retractor can be adjusted tightly or loosely through the adjusting device, the retractor can not influence the skin of a patient to retract during the work, and the adjusting device can be separated from the retractor after the adjustment, so that it does not affect the operation.

Description

Retractor for neurosurgery

Technical Field

The utility model belongs to the technical field of medical instrument is relevant, concretely relates to retractor for neurosurgery.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing an operation, is convenient to explore and operate, and can be divided into a handheld draw hook and an automatic draw hook. The retractor has various specifications of different shapes and sizes, and can be selected according to the operation requirement.

The prior retractor technology has the following problems: before using the retractor, generally all have medical personnel to nurse and adjust the joint bolt, but if retractor joint elasticity does not conform to the elasticity of main sword doctor's operation in the operating room, the during operation will influence and strut the effect with patient's skin, reduces operation work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retractor for neurosurgery to the retractor is being used to the proposition in solving above-mentioned background art before, generally all has medical personnel to nurse and adjust the joint bolt, nevertheless in the operating room if the retractor joint elasticity is not conform to the elasticity of main sword doctor's operation, the during operation will influence and strut the effect with patient's skin, reduces operation work efficiency problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a retractor for neurosurgery, includes crooked frame and annular handle, crooked frame gets the upper end to be provided with opens the end, the middle part of crooked frame is run through there is joint mechanism, adjusting device has been cup jointed to joint mechanism's outer end, adjusting device is including changeing handle, fixed cutting ferrule, buckle, pivot and fixture block, the lower extreme of changeing the handle is provided with fixed cutting ferrule, the lower extreme left and right sides of fixed cutting ferrule is provided with the buckle, fixed cutting ferrule lower extreme is located and is provided with the pivot between two buckles, the lower extreme of pivot is provided with the fixture block, adjusting device's left lower extreme is located the left end of crooked frame and is provided with the ratchet plate, the lower extreme of ratchet plate is provided with the hasp, and the right-hand member bolted connection that the left lower extreme of hasp is located crooked frame has the spring leaf.

Preferably, the ratchet plate comprises ratchet teeth and a clamping plate, and the left end of the clamping plate is provided with the ratchet teeth.

Preferably, the lock catch comprises a wrench, a buckle tooth and a lock frame, the wrench is arranged at the left end of the lock frame, and the buckle tooth is arranged at the upper end of the lock frame.

Preferably, the number of the bending frames is two, and the two bending frames are fixed in a crossed manner through a joint mechanism.

Preferably, the buckle penetrates through the fixing clamping sleeve to be connected with the rotating handle, and the clamping block is clamped in a bolt clamping groove of the joint mechanism.

Preferably, the clamping plate penetrates through the bending frame and is connected with the other bending frame.

Preferably, the lock frame penetrates through the bending frame to be contacted with the spring piece, and the buckling teeth are clamped with the ratchet plate through the spring piece.

Preferably, the opening ends are provided with two opening ends, and the two opening ends open the skin of the patient for operation.

Compared with the prior art, the utility model provides a retractor for neurosurgery possesses following

Has the advantages that:

1. the utility model discloses adjusting device comprises commentaries on classics handle, fixed cutting ferrule, buckle, pivot and fixture block, with fixture block and bolt adjustment draw-in groove butt joint, fixed cutting ferrule passes through the buckle to be fixed it in joint mechanism department, bare-handed clip changes the handle and drives the pivot hard and rotate, and the device drives joint mechanism bolt through rotating the fixture block and adjusts the elasticity, makes its work of conveniently strutting, can leave joint mechanism department through fixed cutting ferrule through moving the buckle after adjusting, does not hinder work.

2. The utility model discloses adjusting device beneficial effect will not adjust the tractor that the operating room was adjusted through adjusting device, can tighten up or transfer the pine with retractor joint mechanism through adjusting device, makes the retractor can not influence and leads out patient's skin at the during operation, can break away from adjusting device and lead out the retractor after adjusting moreover, makes it not influence work.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a retractor for neurosurgery according to the present invention;

fig. 2 is a schematic structural view of a retractor adjustment device for neurosurgery according to the present invention;

fig. 3 is a schematic structural view of a ratchet plate of a retractor for neurosurgery according to the present invention;

fig. 4 is a schematic view of a latch structure of a retractor for neurosurgery according to the present invention;

in the figure: 1. a propping end; 2. a bending frame; 3. a joint mechanism; 4. an adjustment device; 5. a ratchet plate; 6. locking; 7. a spring plate; 8. an annular handle; 41. turning a handle; 42. fixing the clamping sleeve; 43. buckling; 44. a rotating shaft; 45. a clamping block; 51. ratchet teeth; 52. clamping a plate; 61. a wrench; 62. buckling teeth; 63. and (4) locking the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a retractor for neurosurgery, comprising:

a retractor for neurosurgery comprises two bending frames 2 and an annular handle 8, wherein the two bending frames 2 are arranged, the two bending frames 2 are fixed in a crossed manner through a joint mechanism 3, the two bending frames 2 are used for opening the skin of a patient to perform operation through the crossed motion of the joint mechanism 3, the upper end of each bending frame 2 is provided with two opening ends 1, the two opening ends 1 are arranged, the two opening ends 1 are used for opening the skin of the patient to perform operation, the two opening ends 1 are used for opening the skin of the patient to enable a doctor to perform subcutaneous assembly on the patient to start the operation, the middle part of each bending frame 2 penetrates through the joint mechanism 3, the outer end of each joint mechanism 3 is sleeved with an adjusting device 4, each adjusting device 4 comprises a rotating handle 41, a fixing clamping sleeve 42, a clamping buckle 43, a rotating shaft 44 and a clamping block 45, the lower end of the rotating handle 41 is provided with the fixing clamping sleeve 42, the left side and, the buckle 43 runs through the fixed cutting ferrule 42 and is connected with the rotating handle 41, and the clamping block 45 is clamped in a bolt clamping groove of the joint mechanism 3, wherein the rotating handle 41 is clamped by bare hands to enable the rotating shaft 44 to be driven to rotate, the rotating shaft drives the bolt of the joint mechanism 3 to adjust the tightness through the rotating clamping block 45, the lower end of the fixed cutting ferrule 42 is positioned between the two buckles 43, and the clamping block 45 is arranged at the lower end of the rotating shaft 44.

The utility model provides a retractor for neurosurgery, the left end that is located bent frame 2 including adjusting device 4's left lower extreme is provided with ratchet plate 5, ratchet plate 5 includes ratchet 51 and cardboard 52, cardboard 52 runs through bent frame 2 and is connected with another bent frame 2, wherein insert the finger and make power drive bent frame 2 inwards in the annular handle 8, bent frame 2 drives cardboard 52 and slides left, prop at this moment, end 1 takes out the retractor from patient's skin withdrawal, the left end of cardboard 52 is provided with ratchet 51, wherein ratchet plate 5 removes through bent frame 2 and the beginning joint of hasp 6 is fixed, cardboard 52 upper end ratchet 51 slides right and the beginning joint of buckle tooth 63 of lock frame 62 upper end is fixed.

The utility model provides a retractor for neurosurgery, the lower extreme including ratchet plate 5 is provided with hasp 6, hasp 6 includes spanner 61, latch 62 and lock frame 63, lock frame 63 runs through crooked frame 2 and touches mutually with spring leaf 7, and latch 62 passes through spring leaf 7 and ratchet plate 5 joint, wherein spring leaf 7 through the contact of lock frame 62 right-hand member is fixed with catch 51 on cardboard 52, the left end of lock frame 63 is provided with spanner 61, lock frame 63 upper end is provided with latch 62, wherein bare-handed spanner 61 makes power upwards through supporting spring leaf 7, make latch 63 on the lock frame 62 break away from catch 51, the left end bolted connection that the left end lower extreme of hasp 6 is located crooked frame 2 has spring leaf 7, the lower extreme of crooked frame 2 is provided with annular handle 8.

The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, the spreader is taken to the operating table, whether the spreader is normally used is checked before the operation is started, when the spreader joint mechanism 3 is not adjusted, the spreader joint mechanism is adjusted through the adjusting device 4, the clamping block 45 is butted with the bolt adjusting clamping groove, the fixing clamping sleeve 42 is fixed at the joint mechanism 3 through the buckle 43, the rotating handle 41 is clamped by bare hand to drive the rotating shaft 44 to rotate, the rotating shaft drives the bolt of the joint mechanism 3 through the rotating clamping block 45 to adjust the tightness, so that the spreading work is convenient, after the adjustment is finished, the buckle 43 can be moved to leave the joint mechanism 3 through the fixing clamping sleeve 42, the work is not hindered, the spreader starts to work, fingers are inserted into the annular handle 8 to drive the bending frame 2 by inward force, the upper end of the bending frame 2 starts to expand outwards through the joint mechanism 3, the skin of a patient is spread through the spreading end 1, the ratchet plate 5 moves through the bending frame 2 and starts to be locked and fixed with the buckle, the ratchet teeth 51 at the upper end of the clamping plate 52 slide rightwards and start to be clamped and fixed with the buckling teeth 63 at the upper end of the lock frame 62, the spring piece 7 which is contacted with the right end of the lock frame 62 is fixed so that the spring piece can not slide back in the opposite direction, the spreading end 1 spreads the skin of a patient and fixes the skin of the patient, after an operation is completed, the wrench 61 is pressed upwards by bare hands to force the spring piece 7, the buckling teeth 63 at the upper end of the lock frame 62 are separated from the ratchet teeth 51, fingers are inserted into the annular handle 8 to inwards force the bending frame 2, the bending frame 2 drives the clamping plate 52 to slide leftwards, and at the moment, the spreading end 1 retracts from the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retractor for neurosurgery, comprising a curved frame (2) and an annular handle (8), characterized in that: the upper end of the bending frame (2) is provided with a stretching end (1), the middle part of the bending frame (2) penetrates through a joint mechanism (3), the outer end of the joint mechanism (3) is sleeved with an adjusting device (4), the adjusting device (4) comprises a rotating handle (41), a fixing clamping sleeve (42), buckles (43), a rotating shaft (44) and a clamping block (45), the lower end of the rotating handle (41) is provided with the fixing clamping sleeve (42), the left side and the right side of the lower end of the fixing clamping sleeve (42) are provided with the buckles (43), the lower end of the fixing clamping sleeve (42) is positioned between the two buckles (43) and is provided with the rotating shaft (44), the lower end of the rotating shaft (44) is provided with the clamping block (45), the left lower end of the adjusting device (4) is positioned at the left end of the bending frame (2) and is provided with a ratchet plate (5), the lower end, the left lower end of the lock catch (6) is located at the right end of the bending frame (2) and is connected with a spring piece (7) through a bolt, and an annular handle (8) is arranged at the lower end of the bending frame (2).

2. A neurosurgical retractor according to claim 1, wherein: the ratchet plate (5) comprises ratchet teeth (51) and a clamping plate (52), and the ratchet teeth (51) are arranged at the left end of the clamping plate (52).

3. A neurosurgical retractor according to claim 1, wherein: the lock catch (6) comprises a wrench (61), a button tooth (62) and a lock frame (63), the wrench (61) is arranged at the left end of the lock frame (63), and the button tooth (62) is arranged at the upper end of the lock frame (63).

4. A neurosurgical retractor according to claim 1, wherein: the two bending frames (2) are arranged, and the two bending frames (2) are fixed in a crossed mode through the joint mechanisms (3).

5. A neurosurgical retractor according to claim 1, wherein: the buckle (43) penetrates through the fixing clamping sleeve (42) to be connected with the rotating handle (41), and the clamping block (45) is clamped in a bolt clamping groove of the joint mechanism (3).

6. A neurosurgical retractor according to claim 2, wherein: the clamping plate (52) penetrates through the bending frame (2) and is connected with the other bending frame (2).

7. A neurosurgical retractor according to claim 3, wherein: the lock frame (63) penetrates through the bending frame (2) to be touched with the spring piece (7), and the buckle teeth (62) are clamped with the ratchet plate (5) through the spring piece (7).

8. A neurosurgical retractor according to claim 1, wherein: the opening ends (1) are provided with two, and the two opening ends (1) open the skin of the patient for operation.