CN209951369U

CN209951369U - Accurate-positioning reduction fixing forceps for pelvic fracture

Info

Publication number: CN209951369U
Application number: CN201920324022.1U
Authority: CN
Inventors: 朱海泉; 孟祥圣; 刘子敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-01-17
Anticipated expiration: 2029-03-14

Abstract

The utility model discloses a pelvis fracture of accurate location is with fixed pincers that reset, including left tong bar and right tong bar, the fixed pullover of the equal fixedly connected with in bottom of left tong bar and right tong bar, the bottom swing joint of fixed pullover has one to rotate and connects the dop, rotates the bottom of connecting the dop and has seted up a fluting, and this grooved inside has a tong head branch through round pin axle swing joint, and the bottom integrated into one piece of tong head branch has a spherical groove, and the inside joint of spherical groove has a fixed awl. The utility model discloses a with fixed pullover, rotate the fixed awl of connecting dop, binding clip branch, spherical groove and setting up in spherical groove, the first adjusting bolt, second adjusting bolt and the third adjusting bolt that the deuterogamy set up constitute the binding clip of whole fixed pincers for the binding clip position of the fixed pincers that should reset possesses the effect that the multi-angle is adjustable, can be applicable to the pelvis fracture's of different positions and angle fixed that resets.

Description

Accurate-positioning reduction fixing forceps for pelvic fracture

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to pelvis fracture is with fixed pincers that reset of accurate location.

Background

The fixing forceps that resets is the indispensable apparatus of orthopedics doctor when doing the pelvis fracture and reseing, traditional pincers structure that resets all is about two pincers handles are fixed through the round pin axle after alternately, its binding clip structure is fixed unchangeably, the direction and the angle that the doctor can't adjust the binding clip according to patient's actual position of fracture, can only use fixing forceps to implement fixedly to the position of fracture with the angle of difference, the use that leads to fixing forceps has great limitation, and the angle of two binding clips of traditional fixing forceps sets up relatively and fixes unchangeably, make fixing forceps when the slant centre gripping, hardly find suitable centre gripping point, can't make fixing forceps implement an accurate location to the position of fracture, lead to fixing forceps can't implement more effectual reduction fixation to the position of fracture, be unfavorable for going on of pelvis fracture reduction surgery.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a pelvis fracture reduction fixing clamp with accurate positioning, which comprises a left clamp rod and a right clamp rod, wherein the left clamp rod and the right clamp rod are arranged in a crossing way, the crossing part of the left clamp rod and the right clamp rod is movably connected through an adjusting screw, the central position of the clamp handle part of the right clamp rod is movably connected with a positioning screw, the central position of the clamp handle part of the left clamp rod is movably provided with a movable penetrating joint, one end of the positioning screw, which is far away from the right clamp rod, penetrates through the movable penetrating joint and extends to the other side of the movable penetrating joint, the end part of the positioning screw, which is far away from the right clamp rod, is sleeved with an anti-falling cap, an adjusting nut is arranged between the anti-falling cap and the movable penetrating joint, the adjusting nut is sleeved outside the positioning screw, the bottom ends of the left clamp rod and the right clamp rod are fixedly connected with a fixing sleeve head, and the bottom of the fixing sleeve, an inserting column is integrally formed at the central position of the bottom of the fixed sleeve head, a sleeve is integrally formed at the top of the rotary connecting chuck, the sleeve is sleeved outside the inserting column, a bearing is fixed between the inner side of the sleeve and the inserting column, the bottom of the fixed sleeve head is covered outside the sleeve, a first adjusting bolt is connected with an inner cavity at one side of the fixed sleeve head through a thread, a slot is formed at the bottom of the rotary connecting chuck, a binding clip supporting rod is movably connected with the inside of the slot through a pin shaft, a cavity is formed at the inner cavity at one side of the rotary connecting chuck, a positioning column is arranged inside the cavity, the end part of the positioning column penetrates through the cavity and is contacted with the end of the binding clip supporting rod, a second adjusting bolt is connected with the rotary connecting chuck through a thread, the end part of the second adjusting bolt extends into the cavity and is contacted with the positioning column, a spherical groove is integrally formed at the bottom end of the binding clip supporting rod, the inside joint of spherical groove has a fixed awl, and this spherical groove one side inner chamber is threaded connection still has third adjusting bolt, and third adjusting bolt's tip extends to spherical groove's inside and contacts with the rubber cortex in the spherical groove.

The utility model discloses a pelvis fracture of accurate location is with fixed pincers that reset, wherein positioning screw's outside cover is equipped with a first spring, and positioning screw is close to right tong bar one end and still integrated into one piece has a filler ring, first spring is located between left tong bar and the right tong bar, and the both ends of first spring are connected with activity crossover head and filler ring respectively.

The utility model discloses a pelvis fracture of accurate location is with fixed pincers that reset, wherein first adjusting bolt's end fixing has a block rubber, and the sleeve outside on one side and the rotation connection dop of this block rubber contacts.

The utility model discloses a fixed pincers that reset for pelvis fracture that location is accurate, wherein the reference column wholly is "T" type structure, and is same axial direction setting between second adjusting bolt and the reference column, the part outside cover that the reference column is located the cavity inside is equipped with the second spring.

The utility model discloses a fixed pincers that reset for pelvis fracture that location is accurate, wherein binding clip branch are located the inside tip of fluting and are the cockscomb structure setting, and reference column and the corresponding one end integrated into one piece of binding clip branch have the cusp draw-in groove.

The utility model discloses a pelvis fracture of accurate location is with fixed pincers that reset, wherein binding clip branch is whole to be arc structural design, the whole laminating of rubber cortex is on the inner wall of spherical groove, fixed awl constitute by one with spherical groove inner space assorted ball type bulb and the fixed pointed cone of integrated into one piece on the bulb, the inboard at spherical groove is pegged graft in the activity of bulb joint, and the surface and the rubber cortex of bulb laminate mutually.

The utility model discloses a pelvis fracture of accurate location is with fixed pincers that reset, wherein third adjusting bolt's tip is half spherical structure.

The utility model discloses a pelvis fracture of accurate location is with fixed pincers that reset, wherein the outside of fixed pullover bottom is the annular and is provided with round scale.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a with fixed pullover, rotate and connect the dop, binding clip branch, spherical groove and the fixed awl that sets up in spherical groove, the first adjusting bolt that deuterogamies the setting, second adjusting bolt and third adjusting bolt constitute the binding clip of whole fixed pincers, make the binding clip position of the fixed pincers that should reset possess multi-angle adjustable effect, can be applicable to the pelvis fracture of different positions and angle fixed that resets, the doctor can implement fixedly to the fracture position of different angles through adjusting the binding clip angle on same angle, effectual accuracy when having improved fixed pincers to the fracture position location, very big improvement the practicality and the suitability of the fixed pincers that reset.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic view of a connection structure between a fixed collet and a rotary connection chuck;

fig. 3 is a schematic view of a connection structure between the positioning screw and the movable penetrating joint.

In the figure: 1. a left tong bar; 2. a right clamp bar; 3. an adjusting screw; 4. positioning a screw rod; 5. a movable penetrating joint; 6. a first spring; 7. adjusting the screw cap; 8. an anti-drop cap; 9. fixing the sleeve head; 901. inserting a column; 902. a bearing; 10. the chuck is rotationally connected; 101. grooving; 102. a sleeve; 103. a cavity; 104. a positioning column; 105. a second spring; 11. a first adjusting bolt; 12. a tong head support rod; 13. a second adjusting bolt; 14. a pin shaft; 15. a spherical groove; 16. a fixed cone; 17. a third adjusting bolt; 18. a rubber skin layer.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model relates to a resetting fixing clamp for pelvis fracture with accurate positioning, which comprises a left clamp rod 1 and a right clamp rod 2, wherein the left clamp rod 1 and the right clamp rod 2 are arranged in a cross shape, the cross part of the left clamp rod 1 and the right clamp rod 2 is movably connected through an adjusting screw 3, the adjusting screw 3 replaces the traditional bolt to fix the left clamp rod 1 and the right clamp rod 2, so that the tightness between the left clamp and the right clamp can be adjusted, the subsequent maintenance is convenient, a positioning screw 4 is movably connected at the central position of the clamp handle part of the right clamp rod 2, a movable penetrating joint 5 is movably arranged at the central position of the clamp handle part of the left clamp rod 1, one end of the positioning screw 4, which is far away from the right clamp rod 2, penetrates through the movable penetrating joint 5 and extends to the other side of the movable penetrating joint 5, an anti-off cap 8 is sleeved at the end part of the positioning screw 4, which is far away from the right clamp rod 2, an adjusting nut 7 is arranged between the anti-off cap 8 and, the adjusting nut 7 is threaded on the outside of the positioning screw rod 4, the bottom ends of the left and right clamping bars 1 and 2 are fixedly connected with a fixed sleeve 9, the bottom of the fixed sleeve 9 is movably connected with a rotary connecting clamping head 10, an inserting column 901 is integrally formed at the central position of the bottom of the fixed sleeve 9, a sleeve 102 is integrally formed at the top of the rotary connecting clamping head 10, the sleeve 102 is sleeved on the outer side of the inserting column 901, a bearing 902 is fixed between the inner side of the sleeve 102 and the inserting column 901, the bottom of the fixed sleeve 9 is covered on the outside of the sleeve 102, an inner cavity at one side of the fixed sleeve 9 is in threaded connection with a first adjusting bolt 11, a slot 101 is formed at the bottom of the rotary connecting clamping head 10, the inside of the slot 101 is movably connected with a clamping head supporting rod 12 through a pin 14, a cavity 103 is formed at one side of the rotary connecting clamping head 10, and a positioning column 104 is arranged inside the cavity, the tip of this reference column 104 runs through cavity 103 and contacts with the end of binding clip branch 12, it has second adjusting bolt 13 to rotate to connect threaded connection on the dop 10, the tip of this second adjusting bolt 13 extends to in the cavity 103 and contacts with reference column 104, the bottom integrated into one piece of binding clip branch 12 has a spherical groove 15, the inside joint of spherical groove 15 has a stationary cone 16, the inner chamber of this spherical groove 15 one side still threaded connection has third adjusting bolt 17, the tip of third adjusting bolt 17 extends to the inside of spherical groove 15 and contacts with the rubber skin 18 in the spherical groove 15.

The outside cover of positioning screw 4 is equipped with a first spring 6, and positioning screw 4 is close to the one end of right tong pole 2 and still integrated into one piece has a filler ring, first spring 6 is located between left tong pole 1 and the right tong pole 2, and the both ends of first spring 6 are connected with activity crossover sub 5 and filler ring respectively, it can implement a reverse effort to set up first spring 6 between left tong pole 1 and the right tong pole 2, make it more comfortable and convenient when doctor holds or uses fixed pincers, also can play certain locking effect to adjusting nut 7 simultaneously.

The end fixing of first adjusting bolt 11 has a block rubber, one side of this block rubber contacts with the sleeve 102 outside on the rotation connection dop 10, this structural design can make first adjusting bolt 11 implement more effectual fixed to rotation connection dop 10, in order to reach the effect of effectual splining, reference column 104 wholly is "T" type structure, and be same axial direction setting between second adjusting bolt 13 and the reference column 104, the part outside cover that the reference column 104 is located cavity 103 inside is equipped with second spring 105, binding clip branch 12 is located the inside tip of fluting 101 and is the cockscomb structure setting, and reference column 104 and the corresponding one end integrated into one piece of binding clip branch 12 have the cusp draw-in groove, this structural design can make things convenient for second adjusting bolt 13 to implement effectual fixed to binding clip branch 12, make the regulation of binding clip branch 12 more convenient and stable.

The whole arc structural design that is of binding clip branch 12, rubber cortex 18 is whole to be laminated on spherical groove 15's inner wall, fixed awl 16 by one with spherical groove 15 inner space assorted ball type bulb and bulb on integrated into one piece's fixed pointed cone constitute, bulb activity joint is in spherical groove 15's inboard, and the surface of bulb is laminated with rubber cortex 18 mutually, this structure sets up, can make fixed awl adjust direction and position when fixed more convenient in spherical groove, third adjusting bolt 17's tip is hemispherical structure, this structural design enables third adjusting bolt 17 to implement an effectual protection effect to its rubber cortex 18 when rotatory.

The outside of fixed pullover 9 bottom is the annular and is provided with round scale, and this structural design is convenient for the doctor when transversely adjusting binding clip branch, can judge its angle of adjustment accurately to this makes the fixed more accurate of resetting at fracture position, makes things convenient for doctor's use.

Use the utility model discloses the time, unscrew first adjusting bolt 11 in advance, second adjusting bolt 13 and third adjusting bolt 17, the doctor is according to patient's fracture position, confirm the fixed point, the doctor is according to the position of fixed point and the angle of fixed pincers is confirmed to fixed angle and direction, the doctor is according to actual conditions through rotatory rotation connection dop 10 and cooperate first adjusting bolt 11 to debug the horizontal position of binding clip, through rotatory binding clip branch 12 and cooperate second adjusting bolt 13 to adjust opening and closing angle and size of binding clip, finally, according to the position of actual fixed point and the angle of fixed pincers, implement the adjustment to the angle of fixed awl 16 through third adjusting bolt 17, it can to make it reach best fixed angle.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A reduction fixing clamp for pelvic fracture with accurate positioning comprises a left clamp rod (1) and a right clamp rod (2), wherein the left clamp rod (1) and the right clamp rod (2) are arranged in a cross manner, the cross part of the left clamp rod (1) and the right clamp rod (2) is movably connected through an adjusting screw (3), the central position of the clamp handle part of the right clamp rod (2) is movably connected with a positioning screw rod (4), the central position of the clamp handle part of the left clamp rod (1) is movably provided with a movable penetrating joint (5), one end of the positioning screw rod (4) far away from the right clamp rod (2) penetrates through the movable penetrating joint (5) and extends to the other side of the movable penetrating joint (5), the end part of the positioning screw rod (4) far away from the right clamp rod (2) is sleeved with an anti-falling cap (8), and an adjusting nut (7) is arranged between the anti-falling cap (8) and the movable penetrating joint (5), this adjusting nut (7) screw thread suit is in the outside of positioning screw (4), its characterized in that: the bottom ends of the left forceps rod (1) and the right forceps rod (2) are fixedly connected with a fixed sleeve head (9), the bottom of the fixed sleeve head (9) is movably connected with a rotary connecting clamping head (10), an inserting column (901) is integrally formed at the central position of the bottom of the fixed sleeve head (9), a sleeve (102) is integrally formed at the top of the rotary connecting clamping head (10), the sleeve (102) is sleeved on the outer side of the inserting column (901), a bearing (902) is fixed between the inner side of the sleeve (102) and the inserting column (901), the bottom of the fixed sleeve head (9) is covered outside the sleeve (102), an inner cavity on one side of the fixed sleeve head (9) is in threaded connection with a first adjusting bolt (11), a notch (101) is formed in the bottom of the rotary connecting clamping head (10), and a forceps head supporting rod (12) is movably connected in the notch (101) through a pin shaft (14), a cavity (103) is arranged in the inner cavity at one side of the rotary connecting chuck (10), a positioning column (104) is arranged in the cavity (103), the end part of the positioning column (104) penetrates through the cavity (103) and is contacted with the end of the tong head supporting rod (12), a second adjusting bolt (13) is connected to the rotary connecting chuck (10) in a threaded manner, the end part of the second adjusting bolt (13) extends into the cavity (103) and is contacted with the positioning column (104), a spherical groove (15) is integrally formed at the bottom end of the tong head supporting rod (12), a fixed cone (16) is clamped inside the spherical groove (15), the inner cavity on one side of the spherical groove (15) is also in threaded connection with a third adjusting bolt (17), and the end part of the third adjusting bolt (17) extends into the spherical groove (15) and is in contact with a rubber skin layer (18) in the spherical groove (15).

2. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: the outside cover of positioning screw (4) is equipped with a first spring (6), and positioning screw (4) are close to the one end of right tong pole (2) and still integrated into one piece has a backing ring, first spring (6) are located between left tong pole (1) and right tong pole (2), and the both ends of first spring (6) are connected with activity crossover sub (5) and backing ring respectively.

3. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: a rubber block is fixed at the end part of the first adjusting bolt (11), and one side of the rubber block is contacted with the outer side of a sleeve (102) on the rotary connecting chuck (10).

4. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: the positioning column (104) is integrally of a T-shaped structure, the second adjusting bolt (13) and the positioning column (104) are arranged in the same axial direction, and a second spring (105) is sleeved on the outer side of the part, located inside the cavity (103), of the positioning column (104).

5. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: the end part of the forceps head supporting rod (12) located inside the groove (101) is arranged in a zigzag mode, and a tooth-shaped clamping groove is formed in one end, corresponding to the forceps head supporting rod (12), of the positioning column (104) in an integrated mode.

6. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: binding clip branch (12) wholly is the arc structural design, rubber cortex (18) wholly laminates on the inner wall of spherical groove (15), fixed awl (16) constitute by one with spherical groove (15) inner space assorted ball type bulb and the fixed pointed cone of integrated into one piece on the bulb, the inboard at spherical groove (15) is pegged graft in the bulb activity, and the surface and the rubber cortex (18) of bulb laminate mutually.

7. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: the end part of the third adjusting bolt (17) is of a hemispherical structure.

8. The reduction fixation forceps for pelvis fracture with accurate positioning as claimed in claim 1, characterized in that: the outer side of the bottom of the fixed sleeve head (9) is annularly provided with a circle of scale.