CN216675875U - Medical bone holding device - Google Patents

Abstract

The utility model discloses a medical bone holding device, which comprises two bone holders, a connecting rod, a fixing component and an elastic part, wherein the connecting rod penetrates between the two bone holders; the locking handle comprises an eccentric round end part and a handle part, the eccentric round end part is rotationally connected with the elastic pipe sleeve through a rotating shaft, the rotating shaft is provided with a through hole along the radial direction, the elastic pipe sleeve is provided with a gap along the axial direction, and a screw is arranged in the through hole in a penetrating way and used for connecting the elastic pipe sleeves on the two sides of the gap together; the elastic part is connected between the front ends of the handles of the two bone holders, and the two handle parts are connected with the elastic part. When the bone fracture fixation device is applied, the handle part rotates towards the elastic pipe sleeve, the eccentric round end part extrudes the elastic pipe sleeve to reduce the gap, the elastic pipe sleeve tightly holds the connecting rod to realize the fixation of the two bone holders, and simultaneously the handle part drives the elastic part to bend, and an acting force is applied to the fracture part along the axial direction to ensure that the fracture section is tightly attached, thereby being beneficial to later recovery.

Description

Medical bone holding device

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a medical bone holding device.

Background

The bone holder is a medical instrument used for reducing the fracture and keeping the reduction in the bone surgery, and the bone holder is used for reducing and positioning the fracture part, so that a steel plate and a screw can be conveniently driven into the bone holder for internal fixation. The common fracture has an oblique shape and a transverse shape, the oblique shape is the inclination of the fracture section, for the oblique fracture, the common bone holder can be used for conveniently positioning after reduction, and the fracture section can generate radial acting force, so that the bone at two ends of the fracture can be clamped and kept with certain acting force. For the horizontal fracture, because the section is nearly vertical to the bone, after the fracture is clamped at two ends for reduction, the two ends of the fracture are easily dislocated again due to the change of the body position of a patient, the change of the force on the hand of an operator or the force acting on the bone when a screw is driven. Therefore, after the bone holders are used for clamping two ends of a fracture to reset in the prior art, the two bone holders are generally fixedly connected together through one connecting rod, so that the relative shaking of the bone holders at two ends can be reduced due to the limiting effect of the connecting rod. However, the bone holder has the following problems: 1. the two ends of the connecting rod are respectively fixedly connected with the bone holders on the corresponding sides through nuts, a certain time is needed in the process of screwing the nuts, the operation time is prolonged, and the screwing action easily causes the bone holders to shake, so that the fracture part is possibly dislocated again; 2. because the two ends of the bone holder are required to be clamped, another person is required to be matched to fixedly connect the connecting rod with the bone holder through threads, and the bone holder cannot be operated by a single person; 3. although the relative shaking of the bone holders at the two ends can be reduced, the possibility of re-dislocation of the fracture part is reduced, the acting force applied to the fracture part along the axial direction of the bone is small, so that the bones at the two ends of the fracture part are likely to incline when the screw is driven in, gaps exist in the fracture part, the fracture part is not completely and tightly attached, and the later recovery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical bone holding device, which can effectively solve the problem that the fixed connection operation of a connecting rod and a bone holder in the prior art is complicated and the fracture part is dislocated again, and can increase the acting force towards the fracture part along the axial direction of a bone, so that the end faces at two ends of the fracture are tightly attached, and the later recovery is facilitated.

In order to solve the technical problems, the utility model adopts the following technical scheme: a medical bone holding device comprises two bone holders, wherein each bone holder comprises a handle and a forceps mouth, a connecting rod penetrates through the rear ends of the handles of the two bone holders, the medical bone holding device also comprises a fixing assembly and an elastic piece, the fixing assembly comprises an elastic pipe sleeve and a locking handle, the handles of the two bone holders are fixedly connected with the elastic pipe sleeves, and the elastic pipe sleeves are sleeved outside the connecting rods in a sliding manner; the locking handle comprises an eccentric round end part and a handle part, the eccentric round end part is rotationally connected with the elastic pipe sleeve through a rotating shaft, the rotating shaft is provided with a through hole along the radial direction, the elastic pipe sleeve is provided with a gap along the axial direction, and a screw is arranged in the through hole in a penetrating way and used for connecting the elastic pipe sleeves on the two sides of the gap together; the elastic piece is connected between the front ends of the handles of the two bone holders, the two handle parts are connected with the elastic piece, when the handle parts rotate towards the elastic pipe sleeves, the eccentric circular end parts extrude the elastic pipe sleeves to enable the gaps to be small, and meanwhile the handle parts drive the elastic piece to bend.

Preferably, the inner surface of the elastic pipe sleeve is provided with a bulge along the circumferential direction. The arrangement of the bulge can increase the friction force between the inner surface of the elastic pipe sleeve and the connecting rod, and improve the stability of the fixed connection between the handle of the bone holder and the connecting rod.

Preferably, handle portion includes arc linkage segment and hand group section, and the arc linkage segment is connected between eccentric circle tip and hand group section, and the elastic component is connected with hand group section. The hand-dialing section is arranged to facilitate dialing by fingers, and the hand-dialing section is more suitable for single-person operation.

Preferably, when the handle part rotates to drive the eccentric circle end part to extrude the elastic pipe sleeve to enable the gap to be minimum, the arc transition section is tightly attached to the surface of the elastic pipe sleeve. Through setting up the arc changeover portion, and make the radian and the connecting rod surface adaptation of arc changeover portion, when elasticity pipe box and connecting rod were held tightly like this, the abundant laminating of arc changeover portion was sheathe in at the elasticity pipe, can reduce the holistic design volume of locking handle.

Preferably, the hand-pulling section is connected with the elastic part through a chain, one end of the chain is fixedly connected with the hand-pulling section, and the other end of the chain is provided with a hook for hooking the elastic part. The chain and the hand pulling section are fixedly connected, the chain can be prevented from being lost, the other end of the chain is connected with the elastic piece in a hanging mode, and the hanging position can be conveniently detached and adjusted.

Preferably, the connection points of the hooks and the elastic member are symmetrically arranged along the center of the elastic member. Therefore, the acting forces at the two ends are symmetrical, and the effect of extruding the fracture surface is better.

Preferably, the elastic tube sleeve is welded to the handle by a connector. The fixing mode of welding is convenient, and meanwhile, the installation improvement can be carried out on the existing bone holder.

Preferably, the resilient member is removably connected between the two handles. The elastic pieces with different lengths can be replaced according to the distance between the two bone holders, so that the acting force can be adjusted conveniently.

Preferably, the elastic member is a spring. The spring has good elastic force, is convenient to connect and purchase and obtain.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the arrangement of the fixing device fixedly connected with the handle of the bone holder, after the bone holder is used for adjusting the fracture part to reset, only the handle part is required to be stirred to rotate towards the elastic pipe sleeve to drive the eccentric round end part to extrude the elastic pipe sleeve, so that the gap of the elastic pipe sleeve can be reduced, and the connecting rod is further clasped, thereby realizing the fixed connection of the two bone holders, reducing the shaking of the bone holder, preventing the reset fracture part from being dislocated again, compared with the mode of screwing down the bolt to realize the fixation in the prior art, the operation of only stirring the handle part is simpler and more convenient, the time consumption is less, meanwhile, the action amplitude of screwing down the bolt is not large, and the influence on the fracture part is avoided;

2. the bone-holding device can be operated by a single person with both hands, the handle of the bone-holding device is held by the hand, and the handle part can be shifted by the forefinger;

3. when the handle part is shifted to operate, the handle part drives the elastic part to bend, and the elastic part after bending can generate elasticity for the handle because the elastic part is connected with the handle of the bone holder, so that the clamp mouths clamped on bones at two ends of a fracture part can apply acting force to the fracture part along the axial direction of the bones, the fracture surface of the fracture part is tightly attached, and later recovery is facilitated.

Drawings

FIG. 1 is a first schematic structural view of a medical bone holding device according to the present invention;

FIG. 2 is a schematic structural view of a medical bone holding device according to the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

FIG. 4 is a cross-sectional view of the elastomeric sleeve in sliding engagement with the linkage;

FIG. 5 is an enlarged schematic view of portion B of FIG. 2;

FIG. 6 is a cross-sectional view of the elastic tube in hugging the links.

The bone-holding device comprises a bone-holding device 1, a handle 10, a forceps mouth 11, a connecting rod 2, a fixing component 3, an elastic pipe sleeve 30, a protrusion 300, a gap 301, a locking handle 31, an eccentric round end portion 310, an arc-shaped connecting section 311, a hand-pulling section 312, a rotating shaft 313, a screw 314, an elastic piece 4, a chain 5 and a connecting piece 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; may be directly connected or indirectly connected through an intermediate, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example (b): as shown in fig. 1 to 6, the medical bone holding device provided by the embodiment includes two bone holders 1, each of the two bone holders 1 includes a handle 10 and a forceps mouth 11, and a connecting rod 2 is inserted between the rear ends of the handles 10 of the two bone holders 1, so that the bone holders 1 can slide relative to the connecting rod 2, and the distance between the bone holders can be adjusted to adapt to different patients and different fracture positions. The bone-knitting device is characterized by further comprising a fixing component 3 and an elastic piece 4, wherein the fixing component 3 comprises elastic pipe sleeves 30 and locking handles 31, the elastic pipe sleeves 30 are fixedly connected to the handles 10 of the two bone holders 1, and the elastic pipe sleeves 30 are sleeved outside the connecting rod 2 in a sliding mode; the locking handle 31 comprises an eccentric round end part 310 and a handle part, the eccentric round end part 310 is rotatably connected with the elastic pipe sleeve 30 through a rotating shaft 313, the rotating shaft 313 is provided with a through hole along the radial direction, the elastic pipe sleeve 30 is provided with a gap 301 along the axial direction, and a screw 314 is arranged in the through hole in a penetrating manner and used for connecting the elastic pipe sleeves 30 at two sides of the gap 301 together; the elastic part 4 is connected between the front ends of the handles 10 of the two bone holders 1, the two handle parts are both connected with the elastic part 4, when the handle parts rotate towards the elastic pipe sleeve 30, the eccentric round end part 310 extrudes the elastic pipe sleeve 30 to reduce the gap 301, and simultaneously the handle parts drive the elastic part 4 to bend.

After the medical bone holding device is used for resetting the transverse fracture, only the handle part needs to be shifted to rotate towards the elastic pipe sleeve 30 to drive the eccentric round end part 310 to extrude the elastic pipe sleeve 30, so that the gap 301 of the elastic pipe sleeve 30 can be reduced, and the connecting rod 2 is tightly held, so that the fixed connection of the two bone holders 1 is realized, the shaking of the bone holders 1 is reduced, and the fracture position after resetting is prevented from being dislocated again; as can be understood, the bone holding device can be operated by two hands of a single person, the handle 10 of the bone holder 1 is held by the hand, and the handle part can be pulled by the forefinger for fixing. When carrying out above-mentioned operation of stirring handle portion, handle portion can drive elastic component 4 and buckle, because elastic component 4 is connected with the handle 10 of bone holder 1, elastic component 4 after buckling can produce elasticity to handle 10, and pincers mouth 11 of pressing from both sides on the bone at fracture department both ends will apply the effort to the fracture department along the bone axial like this, makes the section of fracture department closely laminate, is favorable to later stage to resume.

As shown in fig. 1 and 2, in the present embodiment, the elastic tube housing 30 is welded to the handle 10 by the connecting member 6, and the connecting member 6 may be a steel tube or a long steel plate, or the elastic tube housing 30 may be directly and integrally formed with the handle 10 of the bone holder 1 when the medical bone holding device is manufactured. The welding fixing mode is selected in the embodiment because on one hand, the welding operation is simple and convenient, and on the other hand, the welding mode can be directly used for mounting and improving the existing bone holder 1, so that the bone holder is convenient to popularize.

In this embodiment, the elastic member 4 is detachably connected between the two handles 10. Thus, the elastic parts 4 with different lengths can be replaced according to the space between the two bone holders 1 so as to adapt to different spaces between the bone holders 1 and also can be used for adjusting the acting force applied to the fracture section. Wherein, the elastic element 4 is a spring. The spring has good elastic force, is convenient to connect and purchase and obtain.

As shown in fig. 4 and 6, in the present embodiment, a protrusion 300 is provided on the inner surface of the elastic tube housing 30 in the circumferential direction. The arrangement of the protrusion 300 can increase the friction between the inner surface of the elastic tube sleeve 30 and the connecting rod 2, and improve the stability of the fixed connection between the handle 10 of the bone holder 1 and the connecting rod 2.

The handle portion in this embodiment includes an arc connecting section 311 and a hand-pulling section 312, the arc connecting section 311 is connected between the eccentric end portion 310 and the hand-pulling section 312, and the elastic member 4 is connected with the hand-pulling section 312. The hand-dialing section 312 is convenient to dial by fingers and is more suitable for single-person operation. Wherein, when the handle portion rotates to drive the eccentric circle end portion 310 to extrude the elastic pipe sleeve 30 to minimize the gap 301, the arc transition section is tightly attached to the surface of the elastic pipe sleeve 30. Through setting up the arc changeover portion, and make the radian and the 2 surperficial adaptations of connecting rod of arc changeover portion, when elasticity pipe box 30 and connecting rod 2 held tightly like this, the full laminating of arc changeover portion can reduce the holistic design volume of locking handle 31 on elasticity pipe box 30.

In this embodiment, the hand-pulling section 312 is connected with the elastic member 4 through the chain 5, one end of the chain 5 is fixedly connected with the hand-pulling section 312, and the other end of the chain 5 is provided with a hook for hooking with the elastic member 4. The chain 5 is fixedly connected with the hand pulling section 312, so that the chain 5 can be prevented from being lost, and the other end of the chain 5 is hung on the elastic part 4, so that the hanging position can be conveniently detached and adjusted. Wherein, the connecting points of the hook and the elastic piece 4 are symmetrically arranged along the center of the elastic piece 4. Therefore, the acting forces at the two ends are symmetrical, and the effect of extruding the fracture surface is better. Moreover, when the chain 5 is hooked on the elastic part 4, the closer the hooking point is to the center of the elastic part 4, the larger the bending degree of the elastic part 4 driven by the chain 5 when the hand-dialing segment 312 is dialed, and the larger the tension of the elastic part 4 to the two bone holders.

When the medical bone holding device provided by the embodiment is applied to resetting and positioning operation, the clamping positions of the two bone holders 1 are estimated approximately according to the body size, the body position and the fracture position of a patient, then the bone holders 1 are adjusted to enable the space between the bone holders 1 to be proper, at the moment, the springs with proper length are connected between the front ends of the handles 10 of the two bone holders 1, and the hooks corresponding to the ends of the side chains 5 are hung on the springs. Then, the fracture part is exposed after the operation, the bone holders 1 are used for clamping bones on two sides of the fracture respectively, the fractured bones are adjusted up and down through the bone holders 1 to reset the fracture part, then the handle part is dialed by fingers to enable the elastic pipe sleeve 30 to tightly hold the connecting rod 2, so that the two bone holders 1 are fixedly connected, and the re-dislocation of the fracture part caused by the shaking of the bone holders 1 is avoided. As shown in figures 1 and 2, when the handle part is toggled, the handle part can drive the elastic part 4 to bend, and the elastic part 4 is connected with the handle 10 of the bone holder 1, so that the bent elastic part 4 can generate elasticity for the handle 10, and the clamp mouths 11 clamped on bones at two ends of a fracture part can apply acting force to the fracture part along the axial direction of the bones, so that the fracture part of the fracture part is tightly attached, and later recovery is facilitated.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

Claims (9)

1. The utility model provides a medical bone device that holds, includes two bone holders (1), two bone holder (1) all includes handle (10) and pincers mouth (11), two wear to be equipped with connecting rod (2), its characterized in that between handle (10) the rear end of bone holder (1): the bone-holding device is characterized by further comprising a fixing component (3) and an elastic piece (4), wherein the fixing component (3) comprises elastic pipe sleeves (30) and locking handles (31), the elastic pipe sleeves (30) are fixedly connected to the handles (10) of the two bone-holding devices (1), and the elastic pipe sleeves (30) are sleeved outside the connecting rods (2) in a sliding manner;

the locking handle (31) comprises an eccentric round end part (310) and a handle part, the eccentric round end part (310) is rotatably connected with the elastic pipe sleeve (30) through a rotating shaft (313), the rotating shaft (313) is provided with a through hole along the radial direction, the elastic pipe sleeve (30) is provided with a gap (301) along the axial direction, and a screw (314) penetrates through the through hole and is used for connecting the elastic pipe sleeves (30) at two sides of the gap (301) together;

the elastic piece (4) is connected between the front ends of handles (10) of the two bone holders (1), the handle parts are connected with the elastic piece (4), when the handle parts rotate towards the elastic pipe sleeves (30), the eccentric round end parts (310) extrude the elastic pipe sleeves (30) to enable the gaps (301) to be reduced, and meanwhile the handle parts drive the elastic piece (4) to be bent.

2. The medical bone-holding device of claim 1, wherein: the inner surface of the elastic pipe sleeve (30) is provided with a bulge (300) along the circumferential direction.

3. The medical bone holding device of claim 1, wherein: the handle part comprises an arc-shaped connecting section (311) and a hand-pulling section (312), the arc-shaped connecting section (311) is connected between the eccentric circle end part (310) and the hand-pulling section (312), and the elastic part (4) is connected with the hand-pulling section (312).

4. A medical bone holding device according to claim 3, wherein: when the handle part rotates to drive the eccentric circle end part (310) to extrude the elastic pipe sleeve (30) to enable the gap (301) to be the minimum, the arc transition section is tightly attached to the surface of the elastic pipe sleeve (30).

5. A medical bone holding device according to claim 3, wherein: hand-dialing section (312) is connected through chain (5) with elastic component (4), the one end and hand-dialing section (312) fixed connection of chain (5), the other end of chain (5) is equipped with the couple, be used for with elastic component (4) articulate.

6. The medical bone-holding device of claim 5, wherein: the connecting points of the hooks and the elastic part (4) are symmetrically arranged along the center of the elastic part (4).

7. The medical bone-holding device of claim 1, wherein: the elastic pipe sleeve (30) is welded on the handle (10) through a connecting piece (6).

8. The medical bone-holding device of claim 1, wherein: the elastic piece (4) is detachably connected between the two handles (10).

9. The medical bone-holding device of claim 8, wherein: the elastic piece (4) is a spring.

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