CN112545611B

CN112545611B - Femoral tuberosity resetting device

Info

Publication number: CN112545611B
Application number: CN202011393738.0A
Authority: CN
Inventors: 郑轶; 殷一红; 张嘉锴; 吴君龙; 袁欣华
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2022-03-08
Anticipated expiration: 2040-12-02
Also published as: CN112545611A

Abstract

The invention discloses a femoral tuberosity reduction device which comprises a first clamp body and a second clamp body, wherein an installation groove is formed in the first clamp body, the second clamp body penetrates through the installation groove and is rotationally connected with the first clamp body through a rotating shaft, and a clamp body adjusting mechanism for femoral tuberosity reduction adjustment is installed on one side of the first clamp body.

Description

Femoral tuberosity resetting device

Technical Field

The invention relates to the technical field of femoral trochanter reduction, in particular to a femoral trochanter reduction device.

Background

The femoral trochanter, also known as the trochanter, is a bony prominence located on the outer surface of the hip joint and accessible to the body surface. The trochanter, the greater trochanter, is the rough bulge in the base of the femoral neck that projects outward and upward. The rearwardly and inwardly projecting ridges are referred to as mini rotors, also known as mini-tuberosities. The front of the large and small tuberosities is provided with a rotor space line, and the rear is provided with a rotor space ridge. There are many muscles attached to the large and small tuberosities to complete the various movements of the hip joint. For example, the muscles that stop at the greater trochanter of femur include gluteus medius, gluteus minimus, piriformis, etc., and those that stop at the lesser trochanter iliocostalis of femur, etc.

The existing tuberosity fracture is treated according to the fracture degree, when the patient is younger and the fracture is more serious, the operation treatment is generally adopted, the device of the existing similar clamp is used for positioning and resetting the femur of the patient, the femur is abutted by the clamping handle adjusting device and the femur, then the distance between the two jaws is adjusted, the correction and the resetting are realized, but because the femur is an irregular plane, when the femur is abutted, the plane which is closest to the vertical plane needs to be found for contact, so that the positioning is more stable, the existing abutment appliance cannot effectively adjust the angle reversely, the abutment is unstable, the phenomena of slipping and the like easily occur, and therefore, the femoral tuberosity resetting device is provided.

Disclosure of Invention

The invention aims to provide a femoral trochanter reduction device capable of realizing stable reduction in the femoral trochanter treatment operation process so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thighbone tuberosity resetting means, includes first pincers body and second pincers body, it has the mounting groove to open in the first pincers body, and the second pincers body passes the mounting groove to rotate with first pincers body through the pivot and be connected, the pincers body adjustment mechanism that thighbone tuberosity reset adjustment was used is installed to first pincers body one side.

Preferably, pincers body adjustment mechanism includes the installation cover, first pincers body one end is opened there is the installing port, and the installing port outside is fixed with the mount table, it has the rotation chamber to open in the installing port, and rotates the intracavity side and wait the angle and open and have a plurality of joint holes, the installation cover is located and rotates the intracavity, and installs two outside the installation cover and rotate intracavity wall sliding connection's spacing arm, the installation cover internal thread is pegged graft and is had the regulation pole, and adjusts the pole inner and be the toper structure, it installs the locating part to rotate the intracavity, realizes carrying out an regulation, the thighbone of auxiliary personnel through pincers body adjustment mechanism to first pincers body and second pincers body.

Preferably, spacing arm includes the semi-ring cover, the semi-ring cover is fixed in the installation cover outside, and slides in the semi-ring cover and peg graft and have the gag lever post, gag lever post outer end and joint hole joint, and the gag lever post stretches into semi-ring cover one end and is fixed with the connecting plate to be fixed with through the connecting plate and adjust and press the board, install the spring in the semi-ring cover, and the spring both ends are fixed with connecting plate and semi-ring cover inner wall respectively, realize through spacing arm with different joint hole joint to the rotation of realization to the installation cover is adjusted.

Preferably, the locating part is including removing the cover, it is equipped with the axial tooth's socket to remove the cover one end outside, and the mount table inner wall correspondence is equipped with the axial rack, remove the cover and be located and rotate the intracavity, and remove the cover bottom and rotate through the bearing and install the spacing ring, the spacing ring bottom is fixed with a plurality of closely arranged's rack, and the gag lever post outside is fixed with the limit gear with spacing rack engaged with, it has the rotation groove to open in the installation cover, and rotates the inslot and install the rolling disc, the inboard and removal of rolling disc outside threaded connection.

Preferably, the tail end of the adjusting rod is fixed with a rotating cap, and the rotating cap is convenient for personnel to rotate and adjust the limiting rod.

Preferably, first pincers body and second pincers body tail end all are fixed with the dactylotheca, first pincers body and second pincers body exposed core are the arc structure, and just first pincers body exposed core is shorter than the second pincers body, retaining member is all installed to first pincers body and second pincers body tail end, and installs intermeshing's tooth row in two retaining members respectively, makes personnel grip more comfortablely through the dactylotheca.

Preferably, the retaining member includes accommodate the lead screw, the locking mouth has all been opened to the handheld end of first pincers body and second pincers body, and the accommodate the lead screw both ends pass through the bearing and lock mouthful both sides and rotate and be connected, the tooth row runs through the locking mouth to with accommodate the lead screw threaded connection, it has two spacing posts to slide the grafting in the tooth row, and spacing post both ends and locking mouthful both sides inner wall are fixed, the accommodate the lead screw outer end is fixed with the adjusting cap, realizes adjusting two tooth rows through the retaining member, thereby controls the state of its joint.

Preferably, the distance between the tops of the clamping ends of the first clamp body and the second clamp body is 1-3cm, and the thick bone of the femoral tuberosity is large, so that the situation that a hand cannot hold the clamp due to the fact that the clamp handle is too large when the clamp jaws clamp the clamp is avoided.

Compared with the prior art, the invention has the beneficial effects that:

the first forceps body and the second forceps body are matched with each other to clamp the femoral fracture of a patient, the adjusting rod in the forceps body adjusting mechanism is rotated and finely adjusted to adjust the angle of the first forceps body and the second forceps body, so that the femoral fracture is reset, the adjusting rod can be adjusted at any angle in the mounting opening, the condition that the adjusting rod is perpendicular to the bone contact surface is always selected, the abutting is more stable, and the operation is convenient.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a structural diagram of the relationship between the positions of two tooth rows at the tail end of the present invention;

FIG. 4 is a schematic view of the retaining member of the present invention;

FIG. 5 is a schematic structural view of a caliper body adjusting mechanism according to the present invention;

FIG. 6 is a schematic view of the connection between a limit rack and a limit gear according to the present invention;

FIG. 7 is a schematic view of the connection between the limiting arm and the engaging hole according to the present invention;

FIG. 8 is a schematic view of the connection of the mounting sleeve and two retaining arms of the present invention;

FIG. 9 is a schematic view of a partial structure of a retainer arm according to the present invention;

FIG. 10 is an enlarged view taken at A in FIG. 6;

fig. 11 is an enlarged view of fig. 7 at B.

In the figure: 1-a first caliper body; 2-a second caliper body; 3-mounting grooves; 4-a caliper body adjusting mechanism; 5, mounting a sleeve; 6, mounting a port; 7-mounting a table; 8-a rotation cavity; 9-a clamping hole; 10-a spacing arm; 11-adjusting rod; 12-a limit piece; 13-half ring sleeve; 14-a limiting rod; 15-a connecting plate; 16-adjusting the pressing plate; 17-a spring; 18-a moving sleeve; 19-a stop collar; 20-a limit rack; 21-a limit gear; 22-a rotation slot; 23-a rotating disc; 24-turning the cap; 25-finger stall; 26-a locking member; 27-tooth row; 28-adjusting the screw rod; 29-a locking port; 30-a limiting column; 31-adjusting the cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, a femoral tuberosity resetting device shown in the figure includes a first caliper body 1 and a second caliper body 2, an installation groove 3 is formed in the first caliper body 1, the second caliper body 2 passes through the installation groove 3 and is rotatably connected with the first caliper body 1 through a rotating shaft, and a caliper body adjusting mechanism 4 for adjusting the femoral tuberosity resetting is installed on one side of the first caliper body 1.

The pliers body adjusting mechanism 4 comprises an installation sleeve 5, one end of a first pliers body 1 is provided with an installation opening 6, an installation platform 7 is fixed on the outer side of the installation opening 6, a rotating cavity 8 is formed in the installation opening 6, a plurality of clamping holes 9 are formed in the inner side of the rotating cavity 8 at equal angles, the installation sleeve 5 is located in the rotating cavity 8, two limiting arms 10 which are connected with the inner wall of the rotating cavity 8 in a sliding mode are installed on the outer side of the installation sleeve 5, an adjusting rod 11 is inserted into an internal thread of the installation sleeve 5, the inner end of the adjusting rod 11 is of a conical structure, a limiting part 12 is installed in the rotating cavity 8, the installation sleeve 5 can drive the adjusting rod 11 to change the adjusting rod 11 in the installation opening 6 at different angles, operation is more convenient and stable, and a rotating cap 24 is fixed at the tail end of the adjusting rod 11 to enable the adjusting rod 11 to rotate more conveniently;

the limiting arm 10 comprises a half-ring sleeve 13, the half-ring sleeve 13 is fixed on the outer side of the mounting sleeve 5, a limiting rod 14 is inserted in the half-ring sleeve 13 in a sliding mode, the outer end of the limiting rod 14 is clamped with the clamping hole 9, one end, extending into the half-ring sleeve 13, of the limiting rod 14 is fixed with a connecting plate 15, an adjusting pressing plate 16 is fixed through the connecting plate 15, a spring 17 is installed in the half-ring sleeve 13, two ends of the spring 17 are fixed with the connecting plate 15 and the inner wall of the half-ring sleeve 13 respectively, the limiting rod 14 is driven to retract by pressing the adjusting pressing plate 16 through personnel, clamping with different clamping holes 9 is achieved, and rotation adjustment of the mounting sleeve 5 is achieved;

meanwhile, the limiting member 12 comprises a moving sleeve 18, an axial tooth socket is arranged on the outer side of one end of the moving sleeve 18, an axial rack is correspondingly arranged on the inner wall of the mounting table 7, the axial tooth socket and the axial rack are matched with each other, so that the moving sleeve 18 can only slide in the mounting table 7 and can not rotate, the moving sleeve 18 is positioned in the rotating cavity 8, a limiting ring 19 is rotatably installed at the bottom of the moving sleeve 18 through a bearing, a plurality of closely arranged limiting racks 20 are fixed at the bottom of the limiting ring 19, a limiting gear 21 meshed with the limiting racks 20 is fixed on the outer side of the limiting rod 14, a rotating groove 22 is formed in the mounting sleeve 5, a rotating disc 23 is installed in the rotating groove 22, the inner side of the rotating disc 23 is in threaded connection with the outer side of the moving sleeve 18, the rotating disc 23 is rotated by personnel, the moving sleeve 18 can move up and down in the rotating cavity 8, and the limiting racks 20 at the bottom of the limiting ring 19 are driven to be meshed with the limiting gear 21, the realization is spacing to the installation cover 5 regulation mouth angle.

Principle of arbitrary angle adjustment of the adjustment lever 11: firstly, the clamping end of the second clamp body 2 is utilized to press the far end of the intertrochanteric fracture, then the clamping end of the first clamp body 1 is utilized to press the near end of the intertrochanteric fracture, then the proper position is found, the adjusting rod 11 is rotated and adjusted, at the moment, firstly, a person presses the two adjusting press plates 16 to retract the limiting rod 14, meanwhile, the person rotates to the proper angle and loosens the limiting rod 14 to be clamped with the clamping hole 9 with the appointed angle under the action of the spring 17, then, the person rotates the mounting sleeve 5 by taking the limiting rod 14 as the axis to enable the conical end of the adjusting rod 11 to be closest to the vertical state with the bone contact surface, after the proper angle is found, the person rotates the rotating disc 23 to enable the moving sleeve 18 to drive the limiting ring 19 to be close to the limiting gear 21, after the limiting rack 20 is in contact with the limiting gear 21 and clamped, the person slightly rotates the rotating disc 23 to enable the limiting rack 20 and the limiting gear 21, finally, the rotating cap 24 is rotated by a person, so that the adjusting rod 11 can stretch out and draw back in the mounting sleeve 5 to contact with the bone, the adjusting rod 11 is continuously moved, and the fractured femur can be reset through the distance between the first caliper body 1 and the second caliper body 2.

In addition, finger sleeves 25 are fixed at the tail ends of the first caliper body 1 and the second caliper body 2, the clamping ends of the first caliper body 1 and the second caliper body 2 are both arc-shaped structures, the clamping end of the first caliper body 1 is shorter than that of the second caliper body 2, locking pieces 26 are installed at the tail ends of the first caliper body 1 and the second caliper body 2, and the two locking pieces 26 are internally provided with tooth rows 27 which are meshed with each other respectively, so that the finger sleeves 25 are designed to enable personnel to hold more labor-saving;

wherein, retaining member 26 includes accommodate the lead screw 28, the handheld end of first pincers body 1 and second pincers body 2 has all opened the locking mouth 29, and accommodate the lead screw 28 both ends pass through the bearing and are connected with the rotation of locking mouth 29 both sides, tooth row 27 runs through locking mouth 29 to with accommodate the lead screw 28 threaded connection, it has two spacing posts 30 to slide the grafting in tooth row 27, and just spacing post 30 both ends are fixed with locking mouth 29 both sides inner wall, accommodate the lead screw 28 outer end is fixed with adjusting cap 31.

The principle of locking the first caliper body 1 and the second caliper body 2 is as follows: after first pincers body 1 and second pincers body 2 reset fracture department, at this moment, the personnel adjust cap 31 through rotating, and two tooth rows of propelling movement 27 are close to the joint each other to the realization is to the locking of first pincers body 1 and second pincers body 2, thereby makes the thighbone tuberosity bone after resetting fixed.

In addition, in order to enable a person to hold the pliers better, the distance between the tops of the clamping ends of the first pliers body 1 and the second pliers body 2 is 1-3 cm.

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.

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. The utility model provides a thighbone tuberosity resetting means, includes first pincers body (1) and second pincers body (2), it has mounting groove (3) to open in first pincers body (1), and second pincers body (2) pass mounting groove (3) to rotate through pivot and first pincers body (1) and be connected its characterized in that: first pincers body (1) one side is installed pincers body adjustment mechanism (4) that thighbone tuberosity reset adjustment was used, pincers body adjustment mechanism (4) are including installation cover (5), first pincers body (1) one end is opened there is installing port (6), and is fixed with mount table (7) in installing port (6) outside, it has rotation chamber (8) to open in installing port (6), and rotates chamber (8) inboard etc. angle and open and have a plurality of joint holes (9), installation cover (5) are located rotation chamber (8), and install two and rotation chamber (8) inner wall sliding connection's spacing arm (10) in installation cover (5) outside, it has regulation pole (11) to peg graft through the screw thread in installation cover (5), and adjusts pole (11) inner and be the toper structure, install locating part (12) in rotation chamber (8).

2. A femoral trochanter reduction device as in claim 1, wherein: spacing arm (10) are including half ring cover (13), half ring cover (13) are fixed in installation cover (5) outside, and slide in half ring cover (13) and peg graft and have gag lever post (14), gag lever post (14) outer end and joint hole (9) joint, and gag lever post (14) stretch into half ring cover (13) one end and are fixed with connecting plate (15) to be fixed with through connecting plate (15) and adjust and press board (16), install spring (17) in half ring cover (13), and spring (17) both ends are fixed with connecting plate (15) and half ring cover (13) inner wall respectively.

3. A femoral trochanter reduction device as in claim 2, wherein: locating part (12) are including removing cover (18), it is equipped with the axial tooth's socket to remove cover (18) one end outside, and mount table (7) inner wall correspondence is equipped with the axial rack, it is located rotation chamber (8) to remove cover (18), and removes cover (18) bottom and rotate through the bearing and install spacing ring (19), spacing ring (19) bottom is fixed with a plurality of spacing rack (20) of closely arranging, and gag lever post (14) outside is fixed with spacing gear (21) with spacing rack (20) engaged with, it has rotation groove (22) to open in mounting sleeve (5), and installs rolling disc (23) in rotation groove (22), rolling disc (23) inboard and remove cover (18) outside threaded connection.

4. A femoral trochanter reduction device as in claim 3, wherein: the tail end of the adjusting rod (11) is fixed with a rotating cap (24).

5. The femoral trochanter reduction device of claim 4, wherein: first pincers body (1) and second pincers body (2) tail end all are fixed with dactylotheca (25), first pincers body (1) and second pincers body (2) exposed core are the arc structure, and just first pincers body (1) exposed core is shorter than second pincers body (2), retaining member (26) are all installed to first pincers body (1) and second pincers body (2) tail end, and install intermeshing's tooth row (27) in two retaining member (26) respectively.

6. The femoral trochanter reduction device of claim 5, wherein: retaining member (26) are including accommodate the lead screw (28), the handheld end of first pincers body (1) and second pincers body (2) has all opened locking port (29), and accommodate the lead screw (28) both ends pass through the bearing and are connected with locking port (29) both sides rotation, locking port (29) are run through in tooth row (27) to with accommodate the lead screw (28) threaded connection, it has two spacing posts (30) to slide the grafting in tooth row (27), and spacing post (30) both ends are fixed with locking port (29) both sides inner wall, accommodate the lead screw (28) outer end is fixed with adjusting cap (31).

7. The femoral trochanter reduction device of claim 6, wherein: the distance between the clamping ends of the first clamp body (1) and the second clamp body (2) is 1-3 cm.