CN212973062U

CN212973062U - Bone holding reduction forceps convenient for fixing steel plate

Info

Publication number: CN212973062U
Application number: CN202020764054.6U
Authority: CN
Inventors: 王军; 柏茂盛; 邱阳; 时宁文
Original assignee: Nanjing Hospital of TCM
Current assignee: Nanjing Hospital of TCM
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-04-16
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a bone-holding reduction forceps convenient to fixed steel sheet relates to medical instrument technical field. Including pincers subassembly that reset, positioning mechanism and conflict mechanism, the inside of pincers subassembly that resets is provided with positioning mechanism, and the both sides of pincers subassembly that resets all are provided with conflict mechanism, and the pincers subassembly that resets includes first claw beam and second claw beam. Through setting up pincers subassembly and conflict mechanism that resets, the design that first pincers pole and second pincers pole are bent shape, make the operating space after the centre gripping great, made things convenient for putting into of steel sheet, the steel sheet is put into and is promoted the locating lever simultaneously and drive the stabilizer bar and contradict the steel sheet, the setting of two locating levers, effectively carry out preliminary location to the steel sheet, the pincers that reset of holding the thigh commonly used have been solved, remaining operating space behind the centre gripping bone is less, place of steel sheet cause certain hindrance and can't carry out the problem of preliminary location to the steel sheet after filling in, the device easy operation, user's use has been made things convenient for.

Description

Bone holding reduction forceps convenient for fixing steel plate

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a bone holding pincers that reset convenient to fixed steel sheet.

Background

The bone surgery usually needs to be accomplished with the help of orthopedic instruments, and reduction forceps is one of the surgical instruments commonly used, and when carrying out orthopedic surgery, generally need to adopt holding forceps to restore to the throne the disconnected bone after the fracture to fix through steel sheet, screw etc. but current reduction forceps still have following not enough when using:

among the prior art, the conventional pincers that reset of holding thigh, remaining operating space is less behind the centre gripping bone, influences follow-up steel sheet that plugs, causes certain hindrance to placing of steel sheet, and can't tentatively fix a position the steel sheet after plugging, and the result of use is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hold bone pincers that reset convenient to fixed steel sheet possesses the intensity of labour who has reduced medical personnel and is convenient for install the steel sheet, and can carry out the advantage of preliminary location to the steel sheet to solve conventional thigh pincers that reset of holding, remaining operating space is less behind centre gripping bone, influences follow-up steel sheet that plugs, causes certain hindrance to placing of steel sheet, and can't carry out the problem of preliminary location to the steel sheet after plugging.

For the realization intensity of labour who has reduced medical personnel and be convenient for install the steel sheet, and can carry out the purpose of preliminary location to the steel sheet, the utility model provides a following technical scheme: a bone-holding reduction forceps convenient for fixing a steel plate comprises a reduction forceps assembly, a positioning mechanism and an abutting mechanism, wherein the positioning mechanism is arranged inside the reduction forceps assembly, the abutting mechanism is arranged on each of two sides of the reduction forceps assembly, the reduction forceps assembly comprises a first forceps rod and a second forceps rod, the first forceps rod and the second forceps rod are movably connected through a connecting pin, clamping pads are movably arranged at the left ends of the first forceps rod and the second forceps rod through screws respectively, and a connecting hole is formed in the first forceps rod;

the positioning mechanism comprises a positioning box, the back of the first clamp rod is fixedly provided with the positioning box, two sides of the inner wall of the positioning box are respectively provided with a movable hole, the back of the second clamp rod is fixedly provided with a fixed plate, the top end of the fixed plate sequentially penetrates through the two movable holes and extends to the outside of the positioning box, and the front of the fixed plate is fixedly provided with a first latch;

the conflict mechanism includes the steadying plate, the looks back of first tong pole and second tong pole all fixedly is provided with the steadying plate, the inside activity of steadying plate is provided with the stabilizer bar, the fixed other end that is provided with locating lever and stabilizer bar of one end of stabilizer bar is fixed and is provided with the slipmat.

As a preferred technical scheme of the utility model, the inside of location box is provided with the fly leaf through the spring activity, the fixed second latch that is provided with first latch looks meshing in the back of fly leaf.

As a preferred technical scheme of the utility model, the inside threaded connection of connecting hole has the locating piece, the one end of locating piece extends to the inside of location box, the other end of locating piece extends to the outside of first tong pole and the fixed handheld board that is provided with.

As a preferred technical scheme of the utility model, the through-hole with locating lever diameter specification looks adaptation is seted up to the inside of stabilizer plate, the stabilizer bar is located the inside of the inside through-hole of through-hole and sets up the internal thread with locating lever surface looks adaptation.

As a preferred technical scheme of the utility model, the fixed surface of stabilizer bar is provided with the baffle, the looks remote site overlap joint of baffle and stabilizer plate.

As an optimal technical scheme of the utility model, two the thread groove with screw rod surface looks adaptation is all seted up at the looks back of centre gripping pad, the top of first tong bar and the bottom of second tong bar are all fixed and are provided with the pull ring.

Compared with the prior art, the utility model provides a hold bone pincers that reset convenient to fixed steel sheet possesses following beneficial effect:

1. this hold bone pincers that reset convenient to fixed steel sheet, through setting up pincers subassembly and conflict mechanism that resets, the design that first tong pole and second tong pole are bent shape, make operating space after the centre gripping great, the steel sheet is made things convenient for putting into, the steel sheet is put into and is promoted the locating lever simultaneously and drive the stabilizer bar and contradict the steel sheet, the setting of two locating levers, effectively tentatively fix a position the steel sheet, the pincers that reset of holding the thigh commonly used has been solved, remaining operating space behind centre gripping bone is less, place the steel sheet and cause certain hindrance and can't carry out the problem of tentatively fixing a position to the steel sheet after filling in, the device easy operation, user's use has been made things convenient for.

2. This hold bone pincers that reset convenient to fixed steel sheet, through setting up pincers subassembly and positioning mechanism that resets, when needing to use first tong pole and the centre gripping of second tong pole location for a long time, rotate the locating piece through handheld board, the locating piece is to the inside removal fly leaf of location box, make the second latch closely contradict to first latch, thereby make first tong pole and second tong pole keep the location, the long-time intensity of labour who grips with strength of medical personnel has been reduced, through the removable not clamping pad of equidimension shape of changing according to the demand of screw rod, the thread groove has made things convenient for the position of holding the pad to adjust, the usability of the device has further been increased.

Drawings

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

FIG. 2 is a side sectional view of the positioning mechanism of the present invention;

fig. 3 is a schematic view of the structure of the clamping pad of the present invention.

In the figure: 1. resetting the clamp assembly; 11. a first clamp lever; 12. a second clamp bar; 13. a connecting pin; 14. a screw; 15. a clamping pad; 151. a thread groove; 16. connecting holes; 17. a pull ring; 2. a positioning mechanism; 21. a positioning box; 211. a spring; 22. a movable hole; 23. a fixing plate; 231. a first latch; 24. a movable plate; 241. a second latch; 25. positioning blocks; 251. a limiting plate; 26. a hand-held board; 3. a collision mechanism; 31. a stabilizing plate; 32. a stabilizer bar; 33. positioning a rod; 34. a non-slip mat; 35. and a baffle plate.

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 discloses a bone holding reduction forceps convenient for fixing a steel plate, comprising a reduction forceps assembly 1, a positioning mechanism 2 and an abutting mechanism 3, wherein the reduction forceps assembly 1 is internally provided with the positioning mechanism 2, the abutting mechanism 3 is respectively arranged on both sides of the reduction forceps assembly 1, the reduction forceps assembly 1 comprises a first forceps rod 11 and a second forceps rod 12, the first forceps rod 11 and the second forceps rod 12 are movably connected through a connecting pin 13, the connecting pin 13 is a conventional scissors or a bolt for forceps, the left ends of the first forceps rod 11 and the second forceps rod 12 are respectively movably provided with a clamping pad 15 through a screw 14, the first forceps rod 11 is internally provided with a connecting hole 16, and the curved design of the first forceps rod 11 and the second forceps rod 12 through the arrangement of the reduction forceps assembly 1 and the abutting mechanism 3 facilitates the insertion of the steel plate, the steel plate is placed in the device, meanwhile, the positioning rods 33 are pushed to drive the stabilizer bar 32 to abut against the steel plate, the steel plate is effectively preliminarily positioned by the arrangement of the two positioning rods 33, and the problems that the commonly-used femoral holding reset forceps have small residual operation space after clamping bones, certain obstruction is caused to the placement of the steel plate, and the steel plate after plugging cannot be preliminarily positioned are solved;

the positioning mechanism 2 comprises a positioning box 21, the back of the first forceps rod 11 is fixedly provided with the positioning box 21, two sides of the inner wall of the positioning box 21 are respectively provided with a movable hole 22, the back of the second forceps rod 12 is fixedly provided with a fixed plate 23, the top end of the fixed plate 23 sequentially penetrates through the two movable holes 22 and extends to the outside of the positioning box 21, the front of the fixed plate 23 is fixedly provided with a first latch 231, through the arrangement of the resetting forceps assembly 1 and the positioning mechanism 2, when the first forceps rod 11 and the second forceps rod 12 need to be used for positioning and clamping for a long time, the positioning block 25 is rotated through the handheld plate 26, the positioning block 25 moves towards the inside of the positioning box 21 and abuts against the movable plate 24, so that the second latch 241 tightly abuts against the first latch 231, the first forceps rod 11 and the second forceps rod 12 are kept positioned, and the labor intensity of medical care personnel for holding with strength for a long time is, the screw rod 14 can replace the clamping pads 15 with different sizes and shapes according to requirements, the thread groove 151 facilitates the adjustment of the positions of the clamping pads 15, and the usability of the device is further improved;

the collision mechanism 3 comprises a stabilizing plate 31, the opposite sides of the first clamp bar 11 and the second clamp bar 12 are both fixedly provided with the stabilizing plate 31, the stabilizing plate 31 is movably provided with a stabilizing rod 32, one end of the stabilizing rod 32 is fixedly provided with a positioning rod 33, and the other end of the stabilizing rod 32 is fixedly provided with an anti-slip pad 34.

Specifically, a movable plate 24 is movably disposed inside the positioning box 21 through a spring 211, a second latch 241 engaged with the first latch 231 is fixedly disposed on the back of the movable plate 24, a positioning block 25 is connected to the inner portion of the connecting hole 16 through a thread, one end of the positioning block 25 extends to the inside of the positioning box 21, and the other end of the positioning block 25 extends to the outside of the first clamping bar 11 and is fixedly disposed with a hand-held plate 26.

In this embodiment, a medical worker holds the first forceps rod 11 and the second forceps rod 12 by the pull ring 17, and simultaneously the first forceps rod 11 and the second forceps rod 12 move in opposite directions to drive the fixing plate 23 to move inside the positioning box 21, so that the fixing plate 23 drives the first latch 231 to engage with the second latch 241, the second latch 241 is engaged with the first latch 231 to drive the movable plate 24 to retract by the compression spring 211, which facilitates the medical worker to freely grasp the holding angle between the first forceps rod 11 and the second forceps rod 12, when the medical worker needs to hold and position for a long time, the positioning block 25 is rotated by the hand-held plate 26, the positioning block 25 moves toward the inside of the positioning box 21 to abut against the movable plate 24, so that the second latch 241 tightly abuts against the first latch 231, thereby the first forceps rod 11 and the second forceps rod 12 are kept positioned, and the labor intensity of the medical worker who forcibly holds and positions for a long time is reduced, the use of the user is convenient.

Specifically, a through hole matched with the diameter specification of the positioning rod 33 is formed in the stabilizing plate 31, an internal thread matched with the surface of the positioning rod 33 is formed in the stabilizing rod 32 positioned in the through hole, a baffle 35 is fixedly arranged on the surface of the stabilizing rod 32, and the baffle 35 is in lap joint with the opposite end of the stabilizing plate 31.

In this embodiment, stabilizer bar 32's fixed surface is provided with baffle 35, baffle 35 has avoided stabilizer bar 32 to break away from with the through-hole under the state that does not use, the influence is used, put into the steel sheet and promote simultaneously that locating lever 33 drives stabilizer bar 32 and contradicts the steel sheet, when locating lever 33 moves to stabilizer plate 31 position department, clockwise rotation locating lever 33 is connected with the through-hole, locating lever 33 drives stabilizer bar 32 and contradicts the steel sheet simultaneously, slipmat 34 is the silica gel pad, the skid-proof characteristic of moisture absorption has, and two locating lever 33's setting, effectively carry out preliminary positioning to the steel sheet, medical personnel's subsequent operation has been made things convenient for.

Specifically, the back surfaces of the two clamping pads 15 are both provided with a thread groove 151 adapted to the surface of the screw 14, and the top of the first clamping bar 11 and the bottom of the second clamping bar 12 are both fixedly provided with a pull ring 17.

In this embodiment, the thread groove 151 with screw rod 14 surface looks adaptation is all seted up at the looks back of two centre gripping pads 15, through the removable centre gripping pad 15 of changing not equidimension shape according to the demand of screw rod 14, thread groove 151 has made things convenient for the position to the centre gripping pad 15 to adjust, thereby the steel sheet of the different width of adaptation is put into, has improved the device's suitability, and pull ring 17 has made things convenient for medical personnel to hand.

The utility model discloses a theory of operation and use flow: when the medical forceps are used, a medical worker holds the first forceps rod 11 and the second forceps rod 12 by holding the first forceps rod 11 and the second forceps rod 12 by the pull ring 17, and simultaneously, the first forceps rod 11 and the second forceps rod 12 move in opposite directions to drive the fixing plate 23 to move in the positioning box 21, so that the fixing plate 23 drives the first latch 231 to be meshed with the second latch 241, the second latch 241 is meshed with the first latch 231 to drive the movable plate 24 to retract by the compression spring 211, which is convenient for the medical worker to freely master the holding angle of the first forceps rod 11 and the second forceps rod 12, when long-time holding and positioning are needed, the positioning block 25 is rotated by the holding plate 26, the positioning block 25 moves towards the inside of the positioning box 21 to abut against the movable plate 24, so that the second latch 241 tightly abuts against the first latch 231, thereby the first forceps rod 11 and the second forceps rod 12 are kept in positioning, the steel plate is placed in, and the positioning rod 33 is pushed to drive the stabilizing rod 32, when locating lever 33 removed to stabilizer plate 31 position department, clockwise rotation locating lever 33 is connected with the through-hole, and locating lever 33 drives stabilizer bar 32 simultaneously and contradicts to the steel sheet, and slipmat 34 is the silica gel pad, has the skid-proof characteristic of moisture absorption, and two locating levers 33's setting, effectively carry out preliminary location to the steel sheet, accomplish the operation to the device through the aforesaid.

To sum up, this pincers that reset hold bone convenient to fixed steel sheet, through setting up pincers subassembly 1 and conflict mechanism 3 that resets, the design that first tong bar 11 and second tong bar 12 are bent shape, make the operating space after the centre gripping great, the putting into of steel sheet has been made things convenient for, the steel sheet is put into and is promoted locating lever 33 simultaneously and drive stabilizer bar 32 and contradict to the steel sheet, the setting of two locating levers 33, effectively carry out preliminary location to the steel sheet, the pincers that reset hold thigh commonly used has been solved, remaining operating space is less behind centre gripping bone, place the steel sheet cause certain hindrance and can't carry out the problem of preliminary location to the steel sheet after adding the stopper, the device easy operation, user's use has been made things convenient for.

It should be noted that, in this document, terms such as "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. The utility model provides a hold bone pincers that reset convenient to fixed steel sheet, includes pincers subassembly (1), positioning mechanism (2) and conflict mechanism (3) that reset, its characterized in that: the resetting clamp assembly (1) is internally provided with a positioning mechanism (2), two sides of the resetting clamp assembly (1) are respectively provided with a collision mechanism (3), the resetting clamp assembly (1) comprises a first clamp rod (11) and a second clamp rod (12), the first clamp rod (11) and the second clamp rod (12) are movably connected through a connecting pin (13), the left ends of the first clamp rod (11) and the second clamp rod (12) are respectively and movably provided with a clamping pad (15) through a screw rod (14), and the first clamp rod (11) is internally provided with a connecting hole (16);

the positioning mechanism (2) comprises a positioning box (21), the positioning box (21) is fixedly arranged on the back of the first clamp rod (11), movable holes (22) are formed in two sides of the inner wall of the positioning box (21), a fixing plate (23) is fixedly arranged on the back of the second clamp rod (12), the top end of the fixing plate (23) sequentially penetrates through the two movable holes (22) and extends to the outside of the positioning box (21), and a first clamping tooth (231) is fixedly arranged on the front of the fixing plate (23);

conflict mechanism (3) are including stabilizer plate (31), the opposite side of first pincers pole (11) and second pincers pole (12) is all fixed and is provided with stabilizer plate (31), the inside activity of stabilizer plate (31) is provided with stabilizer bar (32), the fixed other end that is provided with locating lever (33) and stabilizer bar (32) of one end of stabilizer bar (32) is fixed and is provided with slipmat (34).

2. The bone-holding reduction forceps convenient for fixing a steel plate according to claim 1, characterized in that: a movable plate (24) is movably arranged in the positioning box (21) through a spring (211), and second clamping teeth (241) meshed with the first clamping teeth (231) are fixedly arranged on the back of the movable plate (24).

3. The bone-holding reduction forceps convenient for fixing a steel plate according to claim 1, characterized in that: the interior threaded connection of connecting hole (16) has locating piece (25), the one end of locating piece (25) extends to the inside of location box (21), the other end of locating piece (25) extends to the outside of first tong pole (11) and fixed being provided with handheld board (26).

4. The bone-holding reduction forceps convenient for fixing a steel plate according to claim 1, characterized in that: the stabilizer bar is characterized in that a through hole matched with the diameter specification of the positioning rod (33) is formed in the stabilizer plate (31), and an internal thread matched with the surface of the positioning rod (33) is formed in the stabilizer bar (32) located in the through hole.

5. The bone-holding reduction forceps convenient for fixing a steel plate according to claim 1, characterized in that: the surface of the stabilizer bar (32) is fixedly provided with a baffle (35), and the baffle (35) is overlapped with the opposite end of the stabilizer plate (31).

6. The bone-holding reduction forceps convenient for fixing a steel plate according to claim 1, characterized in that: threaded grooves (151) matched with the surfaces of the screws (14) are formed in the back faces of the two clamping pads (15), and pull rings (17) are fixedly arranged at the top of the first clamp rod (11) and the bottom of the second clamp rod (12).