Distraction forceps convenient to observe

Abstract

The utility model relates to the field of surgical instruments, and discloses a pair of distraction forceps convenient for observation, which comprises two forceps arms, an auxiliary rotating mechanism, two forceps handles and a fixing device, the two forceps arms are respectively and fixedly connected with the two forceps handles, the two forceps arms are rotatably connected through the auxiliary rotating mechanism, the auxiliary rotating mechanism comprises two shaft rods and a shaft ring, and the shaft ring is fixedly connected with the two shaft rods. The forceps handle comprises a sliding connector, a fixed connector, connector rings, a first sliding groove and a grab handle, a hook is welded to the side, away from the forceps arm, of the forceps handle, the two connector rings are welded to the side, away from the forceps arm, of the forceps handle, the two connector rings are fixedly connected with the interiors of the two connector rings in a sleeved mode, and the fixing device comprises a fixing strip, a spring, a fixing head, a telescopic rod, a second sliding groove and a third sliding groove. A clamping rod is embedded in the second sliding groove, one end of the clamping rod is connected with a rod handle, and a fixed sliding piece is fixedly arranged on one side of the rod handle. According to the utility model, the whole material is firm, the parts are more integral, and the use during an operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical instrument field especially, relates to a kind of struts open forceps convenient to observe. BACKGROUND

[0002] Strut open forceps is the most common tool in orthopedic surgical instruments, mainly used for orthopedic surgery to open bone or soft tissue, to facilitate the operation of the doctor, it is usually made of stainless steel, with solid structure and reliable performance.

[0003] Strut open forceps main function is to provide stable opening force, so that the doctor better observes and operates the operation area, can be used to open bone, such as fracture site, so that the doctor better positions and repairs fracture, in addition, soft tissue, such as muscle and ligament, can also be opened, so that the operation area is convenient to observe and operate.

[0004] The inventor found that the prior art has the following problems in the process of realizing the present application: in order to observe the operation area, the soft tissue of the operation area needs to be opened in the existing surgical strut open forceps, in order to avoid the use of the strut open forceps for a long time, the hand muscle is tired and the operation safety is affected, so the handle part of the strut open forceps is equipped with a fixing device, most of the current common strut open forceps are simple and fixed, and the fixing device parts are small in size and easy to lose, improper operation may cause accidents, secondly, the scattered parts are not easy to assemble, and the stability is poor, which is not convenient for the observation of the operation area.

[0005] Therefore, the skilled in the art provides a strut open forceps convenient to observe to solve the problems in the background. CONTENT OF UTILITY MODEL

[0006] The utility model aims at solving the shortcomings in the prior art, and provides a strut open forceps convenient to observe, which is firm in overall material, and the parts are relatively integrated, facilitating use during surgery.

[0007] To achieve the above object, the utility model provides the following technical scheme: A kind of straitening forceps convenient to observe, including two clamps arms, auxiliary rotating mechanism, two handles, fixed device, two clamps arms are fixedly connected with two handles respectively, two clamps arms are rotationally connected by auxiliary rotating mechanism, auxiliary rotating mechanism includes two shaft rods and shaft rings, handle includes sliding joint, fixed joint, joint ring, first sliding slot and handle, the side of handle away from clamps arm is welded with hook fixed joint, and both sides of sliding joint are welded with two joint rings, joint rod is fixedly sleeved in two joint rings, fixed device includes fixed strip, spring, fixed head, telescopic rod and second sliding slot and third sliding slot, clamping rod is embedded in second sliding slot, clamping rod one end is connected with handle, handle one side is fixedly provided with fixed slide, fixed strip upper end face one side midpoint rotationally is provided with fixed shaft, fixed shaft includes protective cover, rotating rod, buckle gear, rotating rod outer side lower end rotationally is provided with two support arms, two support arms include perforation, connecting hole, arm rod.

[0008] Further, the shaft rod is fixedly sleeved at the central position of the shaft ring, so that the two shaft rings are fitted together.

[0009] Further, the shaft ring is assembled in an upper-lower fitting manner, and the clamps arm and the handle are respectively welded on the two sides of the outer wall of the shaft ring.

[0010] Further, the fixed joint and the sliding joint are respectively fixedly arranged at the front and rear ends of one side of the handle, the first sliding slot is formed in one side of the upper end surface of the handle, and the sliding joint is installed in the first sliding slot formed in the handle.

[0011] Further, the second sliding slot is fixedly formed in the upper end surface of the fixed strip, the fixed slide and the clamping rod are movably arranged in the inner wall of the second sliding slot, the third sliding slot is fixedly formed on the upper surface of the fixed slide, the telescopic rod is fixedly arranged in the third sliding slot, the spring is sleeved on the surface of the telescopic rod, one end of the spring is fixedly connected with the fixed head, and the fixed head is pushed out of the third sliding slot and fixed in the clamping groove.

[0012] Further, the rotating rod is rotatably arranged in the protective cover, the buckle gear is fixedly sleeved on the surface of the rotating rod, and one end of the clamping rod is movably embedded between two clamping teeth of the buckle gear on the outer side.

[0013] Further, the arm rod is provided with one connecting hole at each end, one of the two connecting holes is fixedly sleeved on the joint rod of the fixed joint, and the other is fixedly sleeved on the joint rod of the sliding joint, and the perforation is fixedly formed in the center of the two arm rods.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model provides a kind of strutting forceps convenient to observe, the tension effect of support arm, arm lever will drive sliding joint at this time, make sliding joint automatically slide in the one end of No. 1 sliding slot to the other end, again sliding joint on forceps handle, it is fine tuned to accurate position, then the clamping rod is placed into No. 2 sliding slot and is pushed into between two clamping teeth of the multiple clamping teeth of the clasp gear on fixed shaft, it is easy to operate, two support arms are connected between forceps handle, make it open stable when using, the stability of the opening of clasp gear is improved when using by the clamping rod embedded in the clasp gear of the fixed shaft centrally installed in fixing device.

[0016] 2, the utility model provides a kind of strutting forceps convenient to observe, the hook installed on the rear end side of forceps handle can be fixed in the place that can be fixed when using, secondly, the tooth mouth of hook is opened, such setting can also assemble another U type rod, as second support device, strengthen the stability of strutting forceps. DRAWINGS

[0017] Figure 1 it is the side schematic view of the utility model;

[0018] Figure 2 it is the top view schematic view of the utility model;

[0019] Figure 3 it is the local structure schematic view of the relationship between fixing device and fixed shaft of the utility model;

[0020] Figure 4 it is the local structure schematic view of fixing device of the utility model.

[0021] LEGEND:

[0022] 1, forceps arm;2, auxiliary rotating mechanism;3, forceps handle;4, fixing device;5, hook;6, fixed shaft;7, support arm;201, shaft rod;202, shaft ring;301, sliding joint;302, joint ring;303, fixed joint;304, joint rod;305, No. 1 sliding slot;306, handle;401, fixed strip;402, clamping rod;403, rod handle;404, fixed sliding sheet;405, spring;406, fixed head;407, telescopic rod;408, No. 2 sliding slot;409, No. 3 sliding slot;410, clamping groove;601, protective cover;602, rotating rod;603, clasp gear;701, perforation;702, connecting hole;703, arm lever. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figures 1-4 The present invention provides an embodiment of a prying pliers that is easy to observe, comprising two plier arms 1, an auxiliary rotating mechanism 2, two plier handles 3, and a fixing device 4. The two plier arms 1 are fixedly connected to the two plier handles 3 respectively. The two plier arms 1 are rotatably connected to each other through the auxiliary rotating mechanism 2. The auxiliary rotating mechanism 2 includes two shafts 201 and a collar 202. The plier handles 3 include a sliding joint 301, a fixed joint 303, a joint ring 302, a first sliding groove 305, and a grip 306. A hook 5 is welded to the side of the plier handles 3 away from the plier arms 1.

[0025] Two joint rings 302 are welded to one side of both the fixed joint 303 and the sliding joint 301. A joint rod 304 is fixedly sleeved inside the two joint rings 302. The fixing device 4 includes a fixing bar 401, a spring 405, a fixing head 406, a telescopic rod 407, and a second slide groove 408 and a third slide groove 409. A locking rod 402 is embedded inside the second slide groove 408. One end of the locking rod 402 is connected to a handle 403. A fixing slide plate 404 is fixedly installed on one side of the handle 403. A fixing shaft 6 is rotatably installed at the midpoint of one side of the upper end face of the fixing bar 401. The fixing shaft 6 includes a protective cover 601, a rotating rod 602, and a snap-fit ​​gear 603. Two support arms 7 are rotatably installed at the lower end of the outer side of the rotating rod 602. Both support arms 7 include a through hole 701, a connecting hole 702, and an arm 703.

[0026] Specifically, two clamp arms 1 are welded to one side of the auxiliary rotating mechanism 2. Two clamp handles 3 and a fixing device 4 are welded and fixed to the other side of the auxiliary rotating mechanism 2. Two support arms 7 are connected to each other on one side of the two clamp handles 3. A fixing shaft 6 is connected through the center of the support arms 7, so that the entire structure is fixed to the fixing device 4. Hooks 5 are welded to the side away from the two clamp handles 3.

[0027] Reference Figure 1 , 2 The shaft 201 is fixedly sleeved at the center of the collar 202, so that the two collars 202 are fitted together and the collars 202 are assembled in an upper and lower fit. The clamp arm 1 and the clamp handle 3 are respectively welded to the two sides of the outer wall of the collar 202.

[0028] Specifically, the auxiliary rotating mechanism 2 is connected to the connecting arm 1 and the handle 3, and the two shaft rings 202 are vertically penetrated by the shaft 201 to enable rotation, mainly driven by the handle 3 to rotate the connecting arm 1.

[0029] With reference to Figure 2 , 3 , the fixed joint 303 and the sliding joint 301 are fixedly arranged at the front and rear ends of the handle 306, the first sliding groove 305 is arranged on the upper end surface of the handle 306, the sliding joint 301 is arranged in the first sliding groove 305 of the handle 306, one end of the clamping rod 402 is movably embedded between two clamping teeth on the outer side of the buckle gear 603, the two ends of the arm rod 703 are respectively provided with a connecting hole 702, one of the two connecting holes 702 is fixedly sleeved on the joint rod 304 of the fixed joint 303, and the other is fixedly sleeved on the joint rod 304 of the sliding joint 301, the center of the two arm rods 703 is fixedly provided with a through hole 701, and the rotating rod 602 is rotatably arranged in the protective cover 601. The surface of the rotating rod 602 is fixedly sleeved with the buckle gear 603, and one end of the clamping rod 402 is movably embedded between two clamping teeth on the outer side of the buckle gear 603.

[0030] Specifically, one end of the two arm rods 703 is sleeved on the joint rod 304 of the fixed joint 303, so that the rotation is fixed, and the other end of the arm rod 703 is connected to the sliding joint 301, so that the horizontal movement and rotation are realized. The lower end of the rotating rod 602 is sleeved in the through hole 701 of the middle segment of the two arm rods 703, so that the overall structure is fixed, the stability of the supporting arm 7 is improved, and the buckle gear 603 sleeved on the outer side of the rotating rod 602 and the clamping rod 402 movably embedded outside are mainly used to prevent the rotating rod 602 from driving the supporting arm 7 to move.

[0031] With reference to Figure 2 , 4 , the second sliding groove 408 is fixedly arranged on the upper end surface of the fixed strip 401, the fixed sliding piece 404 and the clamping rod 402 are movably arranged on the inner wall of the second sliding groove 408, the third sliding groove 409 is fixedly arranged on the upper surface of the fixed sliding piece 404, the telescopic rod 407 is fixedly arranged in the third sliding groove 409, the spring 405 is sleeved on the surface of the telescopic rod 407, one end of the spring 405 is fixedly connected with the fixed head 406, and the fixed head 406 is pushed out of the third sliding groove 409 and fixed in the clamping groove 410.

[0032] Specifically, the third sliding groove 409 is arranged on the top of the fixed sliding piece 404, and is used to embed the spring 405, the telescopic rod 407 and the fixed head 406. The outer walls on both sides of the fixed sliding piece 404 are provided with holes, so that the fixed head 406 can be inserted and withdrawn. In addition, the clamping grooves 410 are arranged on the inner walls on both sides of the second sliding groove 408 close to the rear side, and are used to fix the fixed head 406.

[0033] Working principle: when using, open the two handles 3 to the desired size, due to the pulling force of the support arm 7, the arm lever 703 will drive the sliding joint 301, so that the sliding joint 301 slides from one end to the other end of the first sliding groove 305, and then the sliding joint 301 on the handle is fine-tuned to the accurate position, then the clamping rod 402 is put into the second sliding groove 408 and pushed into the two clamping teeth between the multiple clamping teeth of the clamping gear 603 on the fixed shaft 6, and then fixed, finally the fixed sliding piece 404 is put into the second sliding groove 408 and abuts against the handle 403 of the clamping rod 402, then the fixed head 406 on the fixed sliding piece 404 is loosened, so that it is pushed out of the third sliding groove 409 by the spring 405 and clamped into the clamping groove 410, so that the opening and size of the spreading forceps can be completely fixed.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A dilator forceps for easy observation, comprising two forceps arms (1), an auxiliary rotating mechanism (2), two forceps handles (3), a fixing device (4), characterized in that: Two said arm (1) is respectively fixedly connected with two handle (3), two said arm (1) is rotatably connected through auxiliary rotating mechanism (2), the auxiliary rotating mechanism (2) includes two shaft rod (201) and shaft ring (202), the handle (3) includes sliding joint (301), fixed joint (303), joint ring (302), one sliding slot (305) and handle (306), the handle (3) is welded with hook (5) on the side away from arm (1); The fixed joint (303) and the sliding joint (301) are welded with two joint rings (302) on one side, two joint rings (302) are fixedly sleeved with joint rods (304) in, the fixing device (4) includes fixed strip (401), spring (405), fixed head (406), telescopic rod (407) and second sliding slot (408) and third sliding slot (409), the second sliding slot (408) is embedded with clamping rod (402), one end of the clamping rod (402) is connected with lever handle (403), the lever handle (403) is fixedly provided with fixed sliding sheet (404) on one side, the fixed strip (401) is rotatably provided with fixed shaft (6) at the midpoint of one side of the upper end surface, the fixed shaft (6) includes protective cover (601), rotating rod (602), buckle gear (603), the rotating rod (602) is rotatably provided with two support arms (7) on the lower end of the outer side, two support arms (7) include perforation (701), connecting hole (702), arm rod (703).

2. The spreader of claim 1, wherein: The shaft rod (201) is fixedly sleeved in the center position of the shaft ring (202), so that two shaft rings (202) are fitted together.

3. The spreader of claim 1, wherein: The shaft ring (202) is assembled in an upper-lower fitting manner, and the arm (1) and the handle (3) are respectively welded on the outer walls of the shaft ring (202).

4. The spreader of claim 1, wherein: The fixed joint (303) and the sliding joint (301) are respectively fixedly provided on the front and rear ends of one side of the handle (306), and the first sliding slot (305) is formed on one side of the upper end surface of the handle (306).

5. The visualization dilating forceps according to claim 1, wherein: The second sliding slot (408) is fixedly formed on the upper end surface of the fixed strip (401), the fixed sliding sheet (404) and the clamping rod (402) are movably arranged on the inner wall of the second sliding slot (408), the third sliding slot (409) is fixedly formed on the upper surface of the fixed sliding sheet (404), the telescopic rod (407) is fixedly arranged in the third sliding slot (409), the spring (405) is sleeved on the surface of the telescopic rod (407), one end of the spring (405) is fixedly connected with the fixed head (406), and the fixed head (406) is pushed out of the third sliding slot (409) and fixed in the clamping groove (410).

6. The self-illuminating spreader of claim 1, wherein: The rotating rod (602) is internally rotatably arranged in the protective cover (601), a buckle gear (603) is fixedly sleeved on the surface of the rotating rod (602), and one end of the clamping rod (402) is movably embedded between two clamping teeth among a plurality of clamping teeth arranged outside the buckle gear (603).

7. The ratcheting forceps of claim 1, wherein: The arm rod (703) is provided with a connecting hole (702) at each end, one of the two connecting holes (702) is fixedly sleeved on the joint rod (304) of the fixed joint (303), the other is fixedly sleeved on the joint rod (304) of the sliding joint (301), and the center of the two arm rods (703) is fixedly provided with a through hole (701).

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