CN210095892U

CN210095892U - Femoral trochanter lower reduction forceps

Info

Publication number: CN210095892U
Application number: CN201920585205.9U
Authority: CN
Inventors: 高扬; 刘清; 程建岗; 孟国林
Original assignee: Fourth Military Medical University FMMU
Current assignee: Fourth Military Medical University FMMU
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-02-21
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a pincers reset under femoral trochanter, including the installation storehouse, the inside both ends symmetry in installation storehouse articulates there are articulated arm A and articulated arm B, and articulated arm A and articulated arm B mesh department all evenly are provided with incomplete gear, the one end of articulated arm A and articulated arm B all is installed and is held between the fingers the ring, and holds between the fingers the bottom that the ring is close to and all articulates there is the hinge bar, the installation pole is installed to one side of the bottom in installation storehouse, and the lateral wall cover of installation pole is equipped with spring A. The utility model discloses install arc pole, spherical spacing groove, spacing ring, spacing bolt, spring B and spacing storehouse, pinch the pull ring and draw outward, remove the locking relation of spacing bolt and spherical spacing groove, make the spacing storehouse slide to the assigned position in the outside of arc pole, loosen the pull ring after, spring B resumes deformation power and pushes away spacing bolt interior pressure to accomplish spacing chucking with the spherical spacing groove that corresponds, be convenient for stable centre gripping that carries on, avoid the operation in-process to take place not hard up or translocation.

Description

Femoral trochanter lower reduction forceps

Technical Field

The utility model relates to the technical field of medical appliances, specifically be pincers reset under femoral trochanter.

Background

The medial deep branch of the femoral rotation, the inferior hip blood vessel anastomosis branch and the first blood vessel puncture lifting branch are all converged at the part to form a constant anastomosis net, the intertrochanteric fracture, the inferior femoral trochanter fracture and other diseases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pincers reset under femoral trochanter to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: femoral trochanter lower reset pliers, including the installation storehouse, the inside both ends symmetry of installation storehouse articulates articulated arm A and articulated arm B, and articulated arm A and articulated arm B mesh department all evenly is provided with incomplete gear, the one end of articulated arm A and articulated arm B all installs and holds between the fingers the ring, and hold between the fingers the bottom that the ring is close to and all articulate the hinge bar, one side of the bottom of installation storehouse is installed the installation pole, and the lateral wall cover of installation pole is equipped with spring A, the bottom cover of installation pole lateral wall is equipped with the slip ring, and slip ring and installation pole sliding connection, the one end that the hinge bar kept away from holding between the fingers the ring all articulates on the lateral wall of slip ring, the articulated arm A is close to the intermediate position department of installation storehouse one side and is installed the arc pole, and is provided with the angle scale on the arc pole, spherical spacing groove has evenly been seted up, sliding sleeve is installed to articulated arm B's bottom, and sliding sleeve overlaps the outside of establishing at the arc pole, the lateral wall that articulated arm A one end was kept away from to the arc pole is provided with spacing storehouse, and spacing storehouse and arc pole sliding connection, the top in spacing storehouse is provided with the stop cock, and the one end of stop cock extends to the inside in spacing storehouse, the lateral wall cover of stop cock at the inside one end in spacing storehouse is equipped with spring B, and the stop cock lateral wall is close to the one end of arc pole and installs the spacing ring, stop cock and spherical spacing groove cooperate.

Preferably, the inner sides of the pinching rings are provided with rubber pads.

Preferably, a length scale is arranged on the outer side wall of the articulated arm A.

Preferably, one end of the arc-shaped rod, which is far away from the articulated arm A, is provided with a limiting block.

Preferably, the pull ring is installed to the one end that spherical spacing groove was kept away from to spacing bolt, and the inside wall of pull ring is provided with the cotton layer.

Preferably, the outer sides of the limiting bins are provided with anti-skid rubber layers.

Compared with the prior art, the beneficial effects of the utility model are that: the femur trochanter lower reset forceps are provided with an arc-shaped rod, a spherical limiting groove, a limiting ring, a limiting bolt, a spring B and a limiting bin, wherein the pulling ring is pinched to pull outwards, the locking relation between the limiting bolt and the spherical limiting groove is released, the limiting bin slides to a specified position on the outer side of the arc-shaped rod, after the pulling ring is loosened, the spring B recovers deformation force to push the internal pressure of the limiting bolt, and the limiting bolt and the corresponding spherical limiting groove complete limiting clamping, so that stable clamping is facilitated, loosening or translocation in the operation process is avoided, the operation is not influenced, incomplete gears are combined, the unfolding and folding processes of the articulated arm A and the articulated arm B are more uniform and stable, the collision to the body of a patient in the operation process is avoided, discomfort and even secondary injury is caused, the spring A, the sliding ring, the mounting rod and the hinged rod are installed on the femur trochanter lower reset forceps, the pinching ring pushes the sliding ring to slide on the outer, and extrude spring A, used the back, spring A resumes deformation power and pushes the slip ring and slides to hold between the fingers through the hinge bar promotion and hold between the fingers the ring expansion and reset, be convenient for make the device reset and accomodate, improve convenience and the practicality of using.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a spring A; 2. an incomplete gear; 3. an articulated arm A; 4. an arcuate bar; 5. a spherical limiting groove; 6. a sliding sleeve; 7. an articulated arm B; 8. installing a bin; 9. a slip ring; 10. mounting a rod; 11. a hinged lever; 12. a pinching ring; 13. an angle scale; 14. a limiting ring; 15. a limit bolt; 16. a spring B; 17. and (4) limiting the bin.

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. 1-3, the present invention provides an embodiment: femoral trochanter lower reset pliers, including installation bin 8, the both ends symmetry in installation bin 8 articulates articulated arm A3 and articulated arm B7, and articulated arm A3 and articulated arm B7 mesh department all evenly is provided with incomplete gear 2, make the process of clamping and expanding more at the uniform velocity, stable, the one end of articulated arm A3 and articulated arm B7 all installs and holds the ring 12, and hold the bottom that ring 12 is close to and all articulate hinge bar 11, install the installation pole 10 on one side of the bottom of installation bin 8, and the lateral wall cover of installation pole 10 is equipped with spring A1, the bottom cover of the lateral wall of installation pole 10 is equipped with slip ring 9, and slip ring 9 and installation pole 10 sliding connection, the one end that hinge bar 11 keeps away from holding the ring 12 all articulates on the lateral wall of slip ring 9, articulated arm A3 is close to the intermediate position of installation bin 8 one side and is installed arc pole 4, and arc pole 4 is provided with angle scale 13, be convenient for take notes the centre gripping angle, spherical spacing groove 5 has evenly been seted up to the lateral wall of arc pole 4, sliding sleeve 6 is installed to articulated arm B7's bottom, and sliding sleeve 6 cover is established in the outside of arc pole 4, the lateral wall that articulated arm A3 one end was kept away from to arc pole 4 is provided with spacing storehouse 17, and spacing storehouse 17 and arc pole 4 sliding connection, the top of spacing storehouse 17 is provided with stop bolt 15, and stop bolt 15's one end extends to the inside of spacing storehouse 17, stop bolt 15 is equipped with spring B16 at the lateral wall cover of the inside one end of spacing storehouse 17, and stop bolt 15 lateral wall is close to the one end of arc pole 4 and installs spacing ring 14, stop bolt 15 and spherical spacing groove 5 cooperate, lock after the stable clamp is tight, avoid taking place to translocate or become flexible among the operation process, influence going on.

In this implementation: hold between the fingers the inboard of holding ring 12 and all be provided with the rubber pad, improve the finger and stretch into the travelling comfort of holding between the fingers the operation, do benefit to going on of long-time operation, be provided with the length scale on articulated arm A3's the lateral wall, be convenient for supplementary operation go on, carry out length measurement and data record, the one end that articulated arm A3 was kept away from to arc pole 4 is provided with the stopper, inject spacing storehouse 17 gliding distance, avoid taking place to take off the pole, spacing bolt 15 is kept away from the one end of spherical spacing groove 5 and is installed the pull ring, and the inside wall of pull ring is provided with the cotton layer, be convenient for hold between the fingers the operation, the convenience and the comfort level of operation are improved, spacing storehouse 17's the outside all is provided with the non-slip rubber layer, improve the stability.

The working principle is as follows: the thumb and the index finger of a user respectively extend into the inner sides of the two groups of holding rings 12, the clamping ends of the hinged arm A3 and the hinged arm B7 are aligned to positions needing to be clamped, the thumb and the index finger push the two groups of holding rings 12 to be close to each other forcibly, the holding rings 12 push the sliding rings 9 to slide on the outer sides of the mounting rods 10 through the hinge rods 11, the spring A1 is squeezed, the incomplete gear 2 is meshed and rotates, so that the clamping ends are close to and finish clamping, the pull ring is tightened to pull outwards, the locking relation between the limiting bolt 15 and the spherical limiting groove 5 is released, the limiting bin 17 slides to a specified position on the outer side of the arc-shaped rod 4, one side of the limiting bin 17 is tightly attached to one side of the hinged arm B7 at the moment, after the pull ring is loosened, the spring B16 recovers deformation force to push the inner pressure of the limiting bolt 15 to finish limiting clamping with the corresponding spherical limiting groove 5, and after the holding rings 12 are loosened, the limiting, the operation is too heavy, observe and supplementary operation's going on through length scale and angle scale 13, record corresponding data, accomplish the use back, hold between the fingers the pull ring and draw outward, remove spacing relation of spacing bolt 15 and spherical spacing groove 5, has removed the spacing relation of spacing storehouse 17 to articulated arm B7 promptly, and spring A1 resumes deformation power and has pushed slip ring 9 and slide this moment to it expands and resets to hold between the fingers ring 12 promotion through articulated rod 11.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Pincers reset under femoral rotor, including installation storehouse (8), its characterized in that: the inner two ends of the installation bin (8) are symmetrically hinged with an articulated arm A (3) and an articulated arm B (7), incomplete gears (2) are uniformly arranged at the meshing positions of the articulated arm A (3) and the articulated arm B (7), a pinching and holding ring (12) is installed at one end of the articulated arm A (3) and one end of the articulated arm B (7), the bottom end, close to the pinching and holding ring (12), is hinged with an articulated rod (11), an installation rod (10) is installed at one side of the bottom of the installation bin (8), a spring A (1) is sleeved on the outer side wall of the installation rod (10), a sliding ring (9) is sleeved at the bottom end of the outer side wall of the installation rod (10), the sliding ring (9) is connected with the installation rod (10) in a sliding mode, one end, far away from the pinching and holding ring (12), of the articulated rod (11) is hinged on the outer side wall of the sliding ring (9), an arc-shaped rod (4) is installed at the middle, an angle scale (13) is arranged on the arc-shaped rod (4), the outer side wall of the arc-shaped rod (4) is uniformly provided with a spherical limiting groove (5), the bottom of the articulated arm B (7) is provided with a sliding sleeve (6), and the sliding sleeve (6) is sleeved outside the arc-shaped rod (4), the outer side wall of one end of the arc-shaped rod (4) far away from the articulated arm A (3) is provided with a limiting bin (17), the limiting bin (17) is connected with the arc-shaped rod (4) in a sliding way, the top of the limiting bin (17) is provided with a limiting bolt (15), one end of the limit bolt (15) extends into the limit bin (17), the outer side wall of one end of the limit bolt (15) in the limit bin (17) is sleeved with a spring B (16), and a limiting ring (14) is installed at one end, close to the arc-shaped rod (4), of the outer side wall of the limiting bolt (15), and the limiting bolt (15) is matched with the spherical limiting groove (5).

2. The forceps for femoral trochanter reduction of claim 1, wherein: the inner sides of the pinching rings (12) are provided with rubber pads.

3. The forceps for femoral trochanter reduction of claim 1, wherein: the outer side wall of the articulated arm A (3) is provided with a length scale.

4. The forceps for femoral trochanter reduction of claim 1, wherein: and a limiting block is arranged at one end of the arc-shaped rod (4) far away from the articulated arm A (3).

5. The forceps for femoral trochanter reduction of claim 1, wherein: the pull ring is installed to the one end that spherical spacing groove (5) was kept away from in spacing bolt (15), and the inside wall of pull ring is provided with the cotton layer.

6. The forceps for femoral trochanter reduction of claim 1, wherein: and the outer sides of the limiting bins (17) are provided with anti-skid rubber layers.