CN210990476U

CN210990476U - Operation retractor for neurosurgery

Info

Publication number: CN210990476U
Application number: CN201921969606.0U
Authority: CN
Inventors: 高智慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-14
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses an operation retractor for neurosurgery, which comprises a pull arm, wherein one end of the pull arm is provided with a wound retractor, the other end of the pull arm is provided with an adjusting rod, one end of the adjusting rod is positioned inside the pull arm, the outer side of the pull arm is provided with a fixing groove, the outer side of the end surface of the adjusting rod is provided with a mounting groove, the inside of the mounting groove is respectively provided with a spring and a limiting ring, the spring is positioned on one side of the limiting ring, and the other side of the limiting ring is provided with; through adjusting the pole terminal surface outside and installing the restriction head additional, when needs are adjusted operation drag hook length, rotate the regulation pole, drive the restriction head by adjusting the pole and rotate, make the restriction head meet with the fixed slot once more, this moment under the effect of spring, drive the restriction head by the spring and reset, make the restriction head get into the fixed slot inside once more, accomplish the fixed to the regulation pole, be convenient for medical personnel according to the position of different patient wounds, adjust the length of operation drag hook, be convenient for the taut wound of wound drag hook.

Description

Operation retractor for neurosurgery

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a surgical retractor for neurosurgery.

Background

The surgical instrument refers to a medical instrument used in clinical operations, and the surgical retractor is one of the surgical instruments used for opening subcutaneous tissues or muscles to expose a larger surgical field, however, various problems still exist in the various surgical retractors on the market.

Although the surgical retractor disclosed in the publication No. CN204581367U reduces the working difficulty of medical staff, the surgical retractor disclosed in the publication No. CN204218951U provides a good surgical field of view for doctors, and facilitates surgical operation, but does not solve the problems that the length of the existing surgical retractor is difficult to adjust, and different wounds are located at different positions, which brings inconvenience to the fixation of the surgical retractor, and thus we propose a surgical retractor for neurosurgery.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a neurosurgery is with operation drag hook to current operation drag hook length that provides is difficult to adjust in solving above-mentioned background art, because the wound of difference is in different positions, brings inconvenient problem for the fixed wound of operation drag hook.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a neurosurgery is with operation drag hook, includes the arm-drag, arm-drag one end is provided with the wound drag hook, the arm-drag other end is provided with adjusts the pole, it is inside that adjust pole one end is located the arm-drag, the fixed slot has been seted up in the arm-drag outside, adjust the pole terminal surface outside and seted up the mounting groove, inside spring and the spacing ring of being provided with respectively of mounting groove, the spring is located spacing ring one side, the spacing ring opposite side is provided with the restriction head, the restriction head runs through the mounting groove, restriction head one end is located inside the fixed.

Preferably, the adjusting rod other end is provided with connecting rod A, connecting rod A one end is provided with connector A, connecting rod A one end is located inside connector A, connector A one end is provided with the elastic webbing, elastic webbing one end is provided with connector B, connector B one end is provided with connecting rod B, connecting rod B one end is located inside connector B, connecting rod B one end is provided with the fixed hook, the connector A and the connector B outside all are provided with reinforcing bolt, reinforcing bolt runs through connector A and connector B, reinforcing bolt one end is located connecting rod A one side and connecting rod B one side respectively.

Preferably, the wound drag hook is fixedly connected with the drag arm, and the spring is fixedly connected with the mounting groove.

Preferably, the limiting ring is fixedly connected with the spring, and the limiting head is fixedly connected with the limiting ring.

Preferably, both sides of the end surface of the limiting head are inclined planes, and the inclined planes are located inside the fixing grooves.

Preferably, the number of the mounting grooves and the number of the fixing grooves are four, the mounting grooves surround the circle centers of the adjusting rods respectively and are evenly distributed, and the fixing grooves surround the circle centers of the pull arms respectively and are evenly distributed.

Preferably, connector A is unanimous with connector B specification, connecting rod A is unanimous with connecting rod B specification, connecting rod B and reinforcing bolt all pass through screw thread and connector B fixed connection, connecting rod A and reinforcing bolt all pass through screw thread and connector A fixed connection.

Preferably, the elastic band is fixedly connected with the connector A and the connector B, the fixing hook is fixedly connected with the connecting rod B, and the adjusting rod is fixedly connected with the connecting rod A.

Advantageous effects

Compared with the prior art, the utility model provides a neurosurgery is with operation drag hook possesses following beneficial effect:

1. by additionally arranging the limiting head on the outer side of the end face of the adjusting rod, when the length of the surgical retractor needs to be adjusted, the adjusting rod is rotated, the limiting head is driven by the adjusting rod to rotate, under the action of an inclined plane and force, the limiting head is contracted towards the inside of the mounting groove, the limiting head drives the limiting ring to move, the limiting ring compresses the spring, when the limiting head leaves the inside of the fixing groove, the adjusting rod is moved towards one side of the pull arm, the limiting head is driven by the adjusting rod to move, after the adjusting rod is adjusted to a proper position, the adjusting rod is rotated, the limiting head is driven by the adjusting rod to rotate, the limiting head is connected with the fixing groove again, at the moment, under the action of the spring, the spring is reset, the limiting ring is driven by the spring to reset, the limiting head is driven by the limiting ring to reset, the limiting head, the length of the operation drag hook is adjusted, so that the wound drag hook can tighten the wound conveniently.

2. Through install connector A and connector B respectively additional at the elastic webbing both ends, the elastic webbing is after long-time stretching, because the fatigue of material, can make the elastic webbing elasticity weaken, need change it, lift reinforcing bolt off with the starter earlier, reinforcing bolt is under the screw thread effect, reinforcing bolt constantly risees, when reinforcing bolt one end leaves connecting rod A surface, rotate connector A again, connector A is under the screw thread effect, make connector A constantly remove, when connecting rod A leaves connector A inside completely, accomplish the dismantlement to elastic webbing one end, the elastic webbing other end is lifted off in the operation of same with last, the operation is accomplished, it more protects the elastic webbing to have been convenient for the staff, the flexible performance of operation drag hook has further been improved.

Drawings

FIG. 1 is a schematic view of the structure of the surgical retractor of the present invention;

fig. 2 is a schematic cross-sectional view of the arm-drag of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

fig. 4 is a schematic cross-sectional view of the connecting head of the present invention;

FIG. 5 is an enlarged view of the point b in FIG. 4;

in the figure: 1. a wound retractor; 2. pulling the arm; 3. fixing grooves; 4. adjusting a rod; 5. a connecting rod A; 6. a connector A; 7. an elastic band; 8. a fixed hook; 9. a connector B; 10. a connecting rod B; 11. a limiting ring; 12. a restraint head; 13. a spring; 14. mounting grooves; 15. and reinforcing the bolt.

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.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a neurosurgery is with operation drag hook, including single arm-drag 2, single arm-drag 2 one end is provided with wound drag hook 1, single arm-drag 2 other end is provided with adjusts pole 4, it is inside that 4 one ends of regulation pole are located single arm-drag 2, fixed slot 3 has been seted up in the single arm-drag 2 outside, adjust the 4 terminal surfaces of pole outside and seted up mounting

groove

14, 14 inside springs 13 and the spacing ring 11 of being provided with respectively of mounting groove, springs 13 are located 11 one side of the spacing ring, 11 opposite sides of spacing ring are provided with restriction head 12, restriction head 12 runs through

mounting groove

14, 12 one.

Please refer to fig. 1, in order to facilitate the replacement of the elastic band 7, the other end of the adjusting lever 4 is provided with a connecting rod A5, one end of the connecting rod A5 is provided with a connecting head A6, one end of the connecting rod A5 is located inside the connecting head A6, one end of the connecting head A6 is provided with the elastic band 7, one end of the elastic band 7 is provided with a connecting head B9, one end of the connecting head B9 is provided with a connecting rod B10, one end of the connecting rod B10 is located inside the connecting head B9, one end of the connecting rod B10 is provided with a fixing hook 8, the outer sides of the connecting head A6 and the connecting head B9 are both provided with a reinforcing bolt 15, the reinforcing bolt 15 penetrates through.

Referring to fig. 3, in order to fix the spring 13, the wound retractor 1 is fixedly connected to the retractor arm 2, and the spring 13 is fixedly connected to the mounting groove 14.

Referring to fig. 3, in order to facilitate the resetting of the limiting head 12, the limiting ring 11 is fixedly connected to the spring 13, and the limiting head 12 is fixedly connected to the limiting ring 11.

Referring to fig. 3, in order to compress the limiting head 12, both sides of the end surface of the limiting head 12 are inclined surfaces, and the inclined surfaces are located inside the fixing groove 3.

Referring to fig. 2, in order to fix the adjusting rod 4, the number of the mounting slots 14 and the number of the fixing slots 3 are four, the mounting slots 14 are respectively and uniformly distributed around the center of the adjusting rod 4, and the fixing slots 3 are respectively and uniformly distributed around the center of the pull arm 2.

Referring to fig. 5, to fix the connector a6 and the connector B9, the connector a6 and the connector B9 are in the same specification, the connecting rod a5 and the connecting rod B10 are in the same specification, the connecting rod B10 and the reinforcing bolt 15 are both fixedly connected to the connector B9 through threads, and the connecting rod a5 and the reinforcing bolt 15 are both fixedly connected to the connector a6 through threads.

Referring to fig. 1, in order to fix the elastic band 7, the elastic band 7 is fixedly connected to the connector a6 and the connector B9, the fixing hook 8 is fixedly connected to the connecting rod B10, and the adjusting rod 4 is fixedly connected to the connecting rod a 5.

The working principle is as follows: after the device is installed, the limiting head 12 is additionally arranged on the outer side of the end face of the adjusting rod 4, when the length of the surgical retractor needs to be adjusted, the adjusting rod 4 is rotated, the limiting head 12 is driven by the adjusting rod 4 to rotate, the limiting head 12 is driven by the inclined plane and under the action of force to contract towards the inside of the installing groove 14, the limiting head 12 drives the limiting ring 11 to move, the limiting ring 11 compresses the spring 13, when the limiting head 12 leaves the inside of the fixing groove 3, the adjusting rod 4 is moved towards one side of the pull arm 2, the limiting head 12 is driven by the adjusting rod 4 to move, after the adjusting rod 4 is adjusted to a proper position, the adjusting rod 4 is rotated, the limiting head 12 is driven by the adjusting rod 4 to rotate, the limiting head 12 is connected with the fixing groove 3 again, at the moment, the spring 13 resets under the action of the spring 13, the limiting ring 11 resets under the action of the spring 13, the limiting ring, the fixing of the adjusting rod 4 is completed, medical staff can adjust the length of the surgical retractor conveniently according to the positions of wounds of different patients, the wound of the wound retractor 1 can be tensioned conveniently, the connector A6 and the connector B9 are respectively additionally arranged at the two ends of the elastic band 7, after the elastic band 7 is stretched for a long time, the elasticity of the elastic band 7 can be weakened due to the fatigue of materials, and the elastic band needs to be replaced, the reinforcing bolt 15 is detached by a starter, the reinforcing bolt 15 is lifted continuously under the action of the threads, when one end of the reinforcing bolt 15 leaves the surface of the connecting rod A5, the connector A6 is rotated, the connector A6 is under the action of the threads, the connector A2 is moved continuously, when the connecting rod A5 completely leaves the inside of the connector A6, the detachment of one end of the elastic band 7 is completed, the other end of the elastic band 7 is detached in the same way as the operation, the operation is completed, further improving the telescopic performance of the surgical retractor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 neurosurgical operation drag hook comprises a drag arm (2), and is characterized in that: arm-drag (2) one end is provided with wound drag hook (1), arm-drag (2) other end is provided with adjusts pole (4), it is inside that regulation pole (4) one end is located arm-drag (2), fixed slot (3) have been seted up in arm-drag (2) outside, adjust pole (4) terminal surface outside and seted up mounting groove (14), inside spring (13) and spacing ring (11) of being provided with respectively of mounting groove (14), spring (13) are located spacing ring (11) one side, spacing ring (11) opposite side is provided with restriction head (12), restriction head (12) run through mounting groove (14), restriction head (12) one end is located inside fixed slot (3).

2. The surgical retractor for neurosurgery according to claim 1, wherein: the other end of the adjusting rod (4) is provided with a connecting rod A (5), one end of the connecting rod A (5) is provided with a connector A (6), one end of the connecting rod A (5) is positioned inside the connector A (6), one end of the connector A (6) is provided with an elastic belt (7), one end of the elastic belt (7) is provided with a connector B (9), one end of the connector B (9) is provided with a connecting rod B (10), one end of the connecting rod B (10) is positioned inside the connector B (9), one end of the connecting rod B (10) is provided with a fixed hook (8), reinforcing bolts (15) are arranged on the outer sides of the connector A (6) and the connector B (9), the reinforcing bolt (15) penetrates through the connector A (6) and the connector B (9), one end of the reinforcing bolt (15) is respectively positioned on one side of the connecting rod A (5) and one side of the connecting rod B (10).

3. The surgical retractor for neurosurgery according to claim 1, wherein: the wound draw hook (1) is fixedly connected with the draw arm (2), and the spring (13) is fixedly connected with the mounting groove (14).

4. The surgical retractor for neurosurgery according to claim 1, wherein: the limiting ring (11) is fixedly connected with the spring (13), and the limiting head (12) is fixedly connected with the limiting ring (11).

5. The surgical retractor for neurosurgery according to claim 1, wherein: both sides of the end face of the limiting head (12) are inclined planes, and the inclined planes are located inside the fixing groove (3).

6. The surgical retractor for neurosurgery according to claim 2, wherein: the number of the mounting grooves (14) and the number of the fixing grooves (3) are four, the circle centers of the adjusting rods (4) are respectively surrounded by the mounting grooves (14) and the circle centers of the pull arms (2) are respectively surrounded by the fixing grooves (3).

7. The surgical retractor for neurosurgery according to claim 2, wherein: connector A (6) is unanimous with connector B (9) specification, connecting rod A (5) is unanimous with connecting rod B (10) specification, connecting rod B (10) and reinforcing bolt (15) all pass through screw thread and connector B (9) fixed connection, connecting rod A (5) and reinforcing bolt (15) all pass through screw thread and connector A (6) fixed connection.

8. The surgical retractor for neurosurgery according to claim 2, wherein: elastic band (7) all with connector A (6) and connector B (9) fixed connection, fixed hook (8) and connecting rod B (10) fixed connection, adjust pole (4) and connecting rod A (5) fixed connection.