Noninvasive calcaneus reduction forceps

Abstract

The utility model relates to the technical field of medical instruments, and discloses a pair of non-invasive calcaneus reduction forceps, which is characterized by comprising a first supporting part, a second supporting part, a third supporting part and a fourth supporting part, the second supporting part is hinged to the first supporting part, one end of the second supporting part is movably connected with a second clamping structure close to the first clamping structure, the other end of the second supporting part is fixedly connected with a second holding structure, and the clamping structure is adjustably connected to the first supporting part and the second supporting part. According to the utility model, the reduction of the fractured calcaneus can be more stably and comfortably completed, and the reduction forceps can be fixed after the reduction of the fractured calcaneus, so that a doctor can free hands to carry out other operations.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically, to a non-invasive calcaneal reduction clamp. Background Technology

[0002] Calcaneal fracture reduction clamp: Used during the reduction of calcaneal fractures to apply appropriate force to restore the bone to the correct position, thereby promoting fracture fixation and healing.

[0003] A search revealed that Chinese Patent CN206995304U discloses a calcaneal fracture reduction clamp, which has the following technical features: it includes two arc-shaped clamping plates and a clamping rod. The arc-shaped clamping plates are arranged opposite each other with their arc edges facing outwards. A universal joint is provided at the top of the arc-shaped clamping plate, and a locking bolt is provided through the tail of the universal joint. The tail of the universal joint is connected to the clamping rod. The clamping rod is divided into a clamping end and a hand-held end. The clamping end has an arc-shaped structure, and its end is hinged to a hinge. The hand-held end of the clamping rod is connected to the clamping end at the hinge. The hand-held end has an arc-shaped curved structure, and its arc direction is opposite to that of the clamping end.

[0004] Furthermore, Chinese patent CN214414901U also discloses a calcaneal reduction forceps, which has the following technical features: a first forceps body and a second forceps body, the first forceps body and the second forceps body are rotatably connected by a pin shaft, the head of the first forceps body has a threaded groove, a threaded rod is threadedly sleeved in the threaded groove, an arm is fixed to the threaded rod, an elliptical clamp is fixed to the head of the arm, a mounting base is rotatably mounted on the side of the first forceps body, a motor is mounted on the side of the mounting base, the output shaft of the motor is connected to a lead screw, a threaded sleeve is threadedly sleeved on the lead screw, the threaded sleeve is rotatably mounted on the second forceps body, and a conical clamp is fixed to the head of the second forceps body.

[0005] As with the two patents mentioned above, although the clamping end of the reduction forceps has an arc-shaped clamping plate, its structure is fixed. Since the size and shape of the heel of each fracture patient are different, it cannot completely fit the patient's heel, and there is still a risk of single-point clamping damage to the patient's skin.

[0006] Therefore, based on the above problems, this application provides a non-invasive calcaneal reduction clamp to solve the aforementioned problems. Utility Model Content

[0007] The purpose of this invention is to solve the above problems by providing a non-invasive calcaneal reduction clamp that can more stably and comfortably reduce a fractured calcaneus, and can fix the reduction clamp after the fractured calcaneus is reduced, freeing up the doctor's hands to perform other operations.

[0008] The purpose of this utility model is achieved as follows:

[0009] A non-invasive calcaneal reduction clamp, comprising:

[0010] The first support part has a first clamping structure movably connected to one end and a first gripping structure fixedly connected to the other end;

[0011] The second support portion is hinged to the first support portion, and one end is movably connected to a second clamping structure near the first clamping structure, while the other end is fixedly connected to a second gripping structure; and

[0012] A locking structure is adjustablely connected to the first support portion and the second support portion.

[0013] The present invention is further configured such that: both the first clamping structure and the second clamping structure are hollow structures, and both have high temperature resistant and soft clamping surfaces.

[0014] The present invention is further configured such that: both the first clamping structure and the second clamping structure are arc-shaped plate structures, and the first clamping structure is longer than the second clamping structure.

[0015] The present invention is further configured such that universal joints are connected between the first clamping structure and the first support part, as well as between the second clamping structure and the second support part.

[0016] The present invention is further configured such that: the locking structure includes a toothed plate and a positioning plate, wherein both the toothed plate and the positioning plate are arc-shaped plate structures with the hinge point of the first support part and the second support part as the center;

[0017] One end of the toothed plate is fixedly connected to the first support portion, and the other end extends toward the second support portion; one end of the positioning plate is fixedly connected to the second support portion, and the other end extends toward the first support portion.

[0018] The toothed plate has a plurality of unidirectional teeth near the positioning plate, and the positioning plate has at least one unidirectional locking tooth near the toothed plate, the unidirectional locking tooth being adjustablely engaged with any unidirectional tooth.

[0019] The present invention is further configured such that both the first grip structure and the second grip structure are circular in shape.

[0020] The present invention is further configured such that: a hollow cylinder is fixedly connected to the first support part, a piston rod is inserted into the inner cavity of the cylinder, the piston rod moves against the inner wall of the cylinder, and the other end of the piston rod is fixedly connected to the second support part.

[0021] The present invention is further configured such that: the first support portion has a first channel, and a first connecting pipe is connected between the first channel and the cylinder;

[0022] The second support has a second channel, and a second connecting pipe connects the first channel and the second channel.

[0023] The present invention is further configured such that: the first clamping structure is provided with a hollow first medium storage component, and a third connecting pipe is connected between the first medium storage component and the first channel;

[0024] The second clamping structure is provided with a hollow second medium storage component, and a fourth connecting pipe is connected between the second medium storage component and the second channel.

[0025] The present invention is further configured such that both the first medium storage device and the second medium storage device are elastic.

[0026] In summary, this utility model has the following beneficial effects:

[0027] 1. This utility model increases the contact area between the clamping surface and the skin by setting up a first clamping structure and a second clamping structure with an arc-shaped plate structure having a high temperature resistance and a soft clamping surface, which makes the clamping surface fit the skin better, improves the clamping stability of the calcaneus, and also protects the patient's skin.

[0028] 2. By providing universal joints between the first clamping structure and the first support part, and between the second clamping plate and the second clamping part, the clamping angle can be flexibly changed, thereby improving the stability of clamping and the convenience of clamping operation.

[0029] 3. This utility model, by setting a locking structure, utilizes a one-way locking tooth that can be adjusted to engage with any one-way tooth, thereby fixing the reduction forceps after calcaneal reduction, freeing the doctor's hands to perform other operations.

[0030] 4. This utility model utilizes the clamping motion of the reset clamp to achieve piston movement between the piston rod and the cylinder, without the need for additional electrical structures. It is ingeniously designed, simple, and practical. During the reset and fixing operation, the piston rod pushes the medium out of the cylinder and transfers it to the first and second medium storage containers, filling them completely. The full first and second medium storage containers can better fit the skin and provide more stable and comfortable support. Conversely, when the reset clamp needs to be removed after the reset is completed, the piston rod draws the medium from the first and second medium storage containers back into the cylinder. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the reset clamp in Embodiment 1 of this utility model;

[0032] Figure 2 This is an exploded view of the reset clamp structure in Embodiment 1 of this utility model;

[0033] Figure 3 This is a schematic diagram of the reset clamp in Embodiment 2 of this utility model;

[0034] Figure 4 This is a schematic diagram of the internal structure of the reset clamp in Embodiment 2 of this utility model.

[0035] In the figure: 1. First support part; 2. First clamping structure; 3. First gripping structure; 4. Second support part; 5. Second clamping structure; 6. Second gripping structure; 7. Locking structure; 71. Toothed plate; 711. One-way tooth; 72. Positioning plate; 721. One-way locking tooth; 8. Clamping surface; 9. Universal joint; 10. Cylinder; 11. Piston rod; 12. First channel; 13. Second channel; 14. First connecting pipe; 15. Second connecting pipe; 16. First medium storage component; 17. Second medium storage component; 18. Third connecting pipe; 19. Fourth connecting pipe. Detailed Implementation

[0036] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0037] It should be noted that, without alteration, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will be described in detail below with reference to the embodiments.

[0038] Example 1: As Figures 1-2 As shown, the preferred solution of the non-invasive calcaneal reduction forceps provided in this embodiment includes a first support part 1, one end of which is movably connected to a first clamping structure 2, and the other end is fixedly connected to a first gripping structure 3; a second support part 4, which is hinged to the first support part 1, and one end of which is movably connected to a second clamping structure 5 near the first clamping structure 2, and the other end of which is fixedly connected to a second gripping structure 6; and a locking structure 7, which is adjustablely connected to the first support part 1 and the second support part 4.

[0039] Both the first clamping structure 2 and the second clamping structure 5 are hollow structures and both have a high-temperature resistant, soft clamping surface 8. This design allows the clamping surface 8 to fit the skin better, improve the clamping stability of the calcaneus, and also protect the patient's skin.

[0040] Both the first clamping structure 2 and the second clamping structure 5 are arc-shaped plate structures, and the first clamping structure 2 is longer than the second clamping structure 5. The arc-shaped clamping plate structure increases the contact area with the skin and can fit the patient's skin better. The design of one long and one short means that the long clamping structure is mainly used to position the repositioning forceps on the patient's foot, while the short clamping plate is mainly used for repositioning and correction.

[0041] Universal joints 9 are connected between the first clamping structure 2 and the first support part 1, as well as between the second clamping structure 5 and the second support part 4; the universal joints 9 can flexibly change the clamping angle, improve the stability of clamping and the convenience of clamping operation.

[0042] The locking structure 7 includes a toothed plate 71 and a positioning plate 72. Both the toothed plate 71 and the positioning plate 72 are arc-shaped plate structures with the hinge point of the first support part 1 and the second support part 4 as the center. One end of the toothed plate 71 is fixedly connected to the first support part 1, and the other end extends toward the second support part 4. One end of the positioning plate 72 is fixedly connected to the second support part 4, and the other end extends toward the first support part 1. The toothed plate 71 has a plurality of one-way teeth 711 near the positioning plate 72, and the positioning plate 72 has at least one one-way locking tooth 721 near the toothed plate 71. The one-way locking tooth 721 can be adjusted to engage with any one-way tooth 711, so that the reduction forceps can be fixed after the calcaneus is reduced, allowing the doctor to free up his hands to perform other operations.

[0043] Both the first gripping structure 3 and the second gripping structure 6 are circular in shape and ergonomically designed to facilitate the insertion of the doctor's fingers to control the repositioning forceps during clamping operations.

[0044] Example 2: Figures 3-4 As shown, the preferred solution of another non-invasive calcaneal reduction clamp provided in this embodiment differs from that in Embodiment 1 in that:

[0045] The first support part 1 is fixedly connected to a hollow cylinder 10. The inner cavity of the cylinder 10 can be filled with a fluid medium such as gas or liquid. A piston rod 11 is inserted into the inner cavity of the cylinder 10. The piston rod 11 moves against the inner wall of the cylinder 10. The other end of the piston rod 11 is fixedly connected to the second support part 4. The piston movement between the piston rod 11 and the cylinder 10 is realized by the clamping movement of the reset clamp. No additional electrical structure is required. The design is ingenious, simple and practical.

[0046] The first support part 1 has a first channel 12, and a first connecting pipe 14 connects the first channel 12 and the cylinder 10; the second support part 4 has a second channel 13, and a second connecting pipe 15 connects the first channel 12 and the second channel 13. The first clamping structure 2 is provided with a hollow first medium storage component 16, and a third connecting pipe 18 connects the first medium storage component 16 and the first channel 12; the second clamping structure 5 is provided with a hollow second medium storage component 17, and a fourth connecting pipe 19 connects the second medium storage component 17 and the second channel 13. During the repositioning and fixing operation, the first support part 1 and the second support part 4 move towards each other, and the piston rod 11 pushes the medium in the cylinder 10 out. One path passes through the first connecting pipe 14, the first channel 12, and the third connecting pipe 18 to the first medium storage unit 16, filling the first medium storage unit 16 completely. The other path passes through the first connecting pipe 14, the first channel 12, the second connecting pipe 15, the second channel 13, and the third connecting pipe 18 to the second medium storage unit 17, filling the second medium storage unit 17 completely. The full first medium storage unit 16 and the second medium storage unit 17 can fit the skin more closely, providing more stable and comfortable support. Conversely, when the repositioning forceps need to be removed after the repositioning is completed, the first support part 1 and the second support part 4 move away from each other, and the piston rod 11 draws the medium in the first medium storage unit 16 and the second medium storage unit 17 back into the cylinder 10.

[0047] Both the first medium storage unit 16 and the second medium storage unit 17 are elastic, which can ensure that the first medium storage unit 16 and the second medium storage unit 17 have sufficient fullness after being filled with medium.

[0048] Working principle: The doctor first controls the first gripping structure 3 and the second gripping structure 6, and uses the longer first clamping structure 2 to position the reduction forceps on the patient's fractured foot. Then, the shorter second clamping structure 5 is used for reduction and correction. During the reduction process, when the first gripping structure 3 and the second gripping structure 6 approach each other, the first support part 1 and the second support part 4 move towards each other. The piston rod 11 pushes out the medium in the cylinder 10. One path passes through the first connecting tube 14, the first channel 12, and the third connecting tube 18 to the first medium storage unit 16, filling the first medium storage unit 16 completely. The other path passes through the first connecting tube 14, the first channel 12, the second connecting tube 15, the second channel 13, and the third connecting tube 18 to the second medium storage unit 17, filling the second medium storage unit 17 completely. The full first medium storage unit 16 and the second medium storage unit 17 can fit the skin more closely, providing more stable and comfortable support.

[0049] After repositioning, the one-way locking tooth 721 can be adjusted to engage with any one-way tooth 711, thereby fixing the repositioning forceps and freeing the doctor's hands to perform other operations. When the repositioning forceps need to be removed after repositioning, the tooth plate 71 and the positioning plate 72 are first slightly misaligned, the one-way locking tooth 721 and the one-way tooth 711 disengage, the first support part 1 and the second support part 4 move in opposite directions, and the piston rod 11 draws the medium in the first medium storage unit 16 and the second medium storage unit 17 back into the cylinder 10, and the first clamping structure 2 and the second clamping structure 5 no longer clamp the patient's foot.

[0050] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A non-invasive calcaneal reduction clamp, characterized in that, include: The first support part (1) has a first clamping structure (2) movably connected at one end and a first gripping structure (3) fixedly connected at the other end. The second support (4) is hinged to the first support (1), and one end is movably connected to a second clamping structure (5) near the first clamping structure (2), while the other end is fixedly connected to a second gripping structure (6); and The locking structure (7) is adjustablely connected to the first support (1) and the second support (4).

2. The non-invasive calcaneal reduction clamp according to claim 1, characterized in that, Both the first clamping structure (2) and the second clamping structure (5) are hollow structures and both have a high-temperature resistant and soft clamping surface (8).

3. The non-invasive calcaneal reduction clamp according to claim 1, characterized in that, Both the first clamping structure (2) and the second clamping structure (5) are arc-shaped plate structures, and the length of the first clamping structure (2) is greater than the length of the second clamping structure (5).

4. The non-invasive calcaneal reduction clamp according to claim 1, characterized in that, Universal joints (9) are connected between the first clamping structure (2) and the first support part (1) as well as between the second clamping structure (5) and the second support part (4).

5. The non-invasive calcaneal reduction clamp according to claim 1, characterized in that, The locking structure (7) includes a toothed plate (71) and a positioning plate (72). Both the toothed plate (71) and the positioning plate (72) are arc-shaped plate structures with the hinge point of the first support part (1) and the second support part (4) as the center. One end of the toothed plate (71) is fixedly connected to the first support part (1), and the other end extends toward the second support part (4); one end of the positioning plate (72) is fixedly connected to the second support part (4), and the other end extends toward the first support part (1); The toothed plate (71) has a plurality of one-way teeth (711) near the positioning plate (72), and the positioning plate (72) has at least one one-way locking tooth (721) near the toothed plate (71), and the one-way locking tooth (721) is adjustablely engaged with any one-way tooth (711).

6. The non-invasive calcaneal reduction clamp according to claim 1, characterized in that, Both the first grip structure (3) and the second grip structure (6) are circular rings.

7. The non-invasive calcaneal reduction clamp according to claim 1, characterized in that, The first support part (1) is fixedly connected to a hollow cylinder (10), and a piston rod (11) is inserted into the inner cavity of the cylinder (10). The piston rod (11) moves against the inner wall of the cylinder (10), and the other end of the piston rod (11) is fixedly connected to the second support part (4).

8. The non-invasive calcaneal reduction clamp according to claim 7, characterized in that, The first support part (1) has a first channel (12), and a first connecting pipe (14) is connected between the first channel (12) and the cylinder (10). The second support part (4) has a second channel (13), and a second connecting pipe (15) is connected between the first channel (12) and the second channel (13).

9. A non-invasive calcaneal reduction clamp according to claim 8, characterized in that, The first clamping structure (2) is provided with a hollow first medium storage component (16), and a third connecting pipe (18) is connected between the first medium storage component (16) and the first channel (12). The second clamping structure (5) is provided with a hollow second medium storage component (17), and a fourth connecting pipe (19) is connected between the second medium storage component (17) and the second channel (13).

10. A non-invasive calcaneal reduction clamp according to claim 9, characterized in that, Both the first medium storage device (16) and the second medium storage device (17) are elastic.

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