CN211704803U - Bone holding forceps for scapula bone fracture plate - Google Patents

Abstract

The utility model discloses a bone holding forceps of a scapula bone fracture plate, belonging to the technical field of medical instruments, which has the technical proposal that the bone holding forceps comprise a bone holding forceps, wherein the bone holding forceps comprise an upper forceps rod, a lower forceps rod, a front handle and a rear handle, the rear handle and the lower forceps rod are integrally formed, the front handle is hinged with a connecting handle, and the rear handle is hinged with the front handle; a supporting spring is connected between the rear handle and the front handle, the lower clamp rod and the upper clamp rod are tightly attached to each other, one end of the connecting handle, which is far away from the front handle, is connected with the upper clamp rod, and the upper clamp rod and the lower clamp rod are controlled to be in relative sliding connection; one end of the lower clamp rod, which is far away from the rear handle, is vertically connected with a front clamp mouth, and one end of the upper clamp rod, which is far away from the front handle, extends to form a rear clamp mouth. The utility model is suitable for an among the scapula operation treatment process.

Description

Bone holding forceps for scapula bone fracture plate

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a scapula coaptation board bone-holding forceps is related to.

Background

Medical instruments refer to instruments, equipment, appliances, in-vitro diagnostic articles and calibrators, materials and other similar or related articles directly or indirectly applied to the human body, including bone clamps. Bone holding forceps are one of the orthopedic instruments that is generally used for bone holding forceps to hold bone fragments for fixation and reduction of bones during bone surgery.

The head of the forceps is usually provided with a pointed end or with a bent pointed end for the surgeon to grasp bone fragments, to reposition and temporarily fix the bone fragments using the forceps for the surgeon to perform subsequent operations. Doctors often use steel plates, bone screws, hollow nails and the like to penetrate through bones for fixation, and materials such as the steel plates, the bone screws, the hollow nails and the like are fixed in front of the bones, so that the doctors are generally required to reset fracture parts so as to ensure that the bones are not dislocated when being fixed.

The above prior art solutions have the following drawbacks: human skeleton is generally cylindric, and current holding forceps is for being suitable for human skeleton structure, and the head of holding forceps is provided with most advanced usually or has the most advanced of buckling, and is suitable for lower to the cracked operation of scapula, and when the cracked operation of scapula used conventional operation holding forceps, the complexity of operation process increased makes the operation time prolong relatively, has increased the risk that patient need undertake.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scapula coaptation board bone-holding forceps has the effect that is suitable for the cracked operation in scapula specific site and uses.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a bone holding forceps for a scapula bone fracture plate comprises a bone holding forceps, wherein the bone holding forceps comprise an upper forceps rod, a lower forceps rod, a front handle and a rear handle, the rear handle and the lower forceps rod are integrally formed, the front handle is hinged with a connecting handle, and the rear handle is hinged with the front handle through the connecting handle; a supporting spring is connected between the rear handle and the front handle, the lower clamp rod and the upper clamp rod are tightly attached to each other, one end of the connecting handle, which is far away from the front handle, is connected with the upper clamp rod, and the upper clamp rod and the lower clamp rod are controlled to be mutually connected in a sliding manner; the one end that the back handle was kept away from to lower tong pole is connected with preceding pincers mouth perpendicularly, the one end that the front handle was kept away from to last tong pole extends there is back pincers mouth.

By adopting the technical scheme, the rear handle and the front handle are hinged, the front handle and the upper clamp rod are connected with the supporting spring between the rear handle and the front handle, and when medical staff enable the rear handle and the front handle to be close to each other through external force, the lower clamp rod and the upper clamp rod which are connected with the rear handle and the front handle move relatively. Because the lower clamp rod and the upper clamp rod are parallel to each other and are connected in a sliding manner, the lower clamp rod and the upper clamp rod move relatively along the parallel direction, so that the front clamp mouth and the rear clamp mouth are close to each other.

The utility model discloses further set up to, it is close to go up the tong bar one side of lower tong bar is equipped with the guide way, lower tong bar is close to one side of going up the tong bar is equipped with the guide block, the guide block inlay in the guide way, guide block follow respectively go up the tong bar with lower tong bar length direction sets up.

By adopting the technical scheme, when medical personnel operate the bone holding forceps and hold the rear handle and the front handle tightly, the guide block on the lower forceps rod is embedded in the guide groove formed in the upper forceps rod, so that the moving track of the lower forceps rod and the upper forceps rod is limited to be the direction of the guide block.

The utility model discloses further set up to, go up the binding clip including the connector of the carriage release lever and the preceding handle that is close to preceding pincers mouth, the connector is half pie, the connection handle is kept away from the one end of preceding handle is equipped with the opening, and is located in the connector, the columniform round pin body of fixedly connected with in the connector, the round pin body is located in the opening.

Through adopting above-mentioned technical scheme, through the round pin body joint in the opening of connecting the handle for the connecting the handle is connected with last claw beam, and the medical staff of being convenient for links lower claw beam and last claw beam through holding back handle and preceding handle tightly.

The utility model discloses further set up to, preceding pincers mouth be hook-like or flat, preceding pincers mouth is close to the one side of back pincers mouth is equipped with a plurality of insections.

Through adopting above-mentioned technical scheme, the scapula is whole to be the slice, and when restoreing cracked scapula, fix preceding pincers mouth and back pincers mouth on the positive and negative surface of scapula, the one side that preceding pincers mouth is close to back pincers mouth is equipped with the insection, makes things convenient for medical staff to fix fast on the scapula, reduces the phenomenon of repeated operation, reduces the injury of operation in-process bone-holding forceps to the scapula.

The utility model discloses further set up to, back pincers mouth is including fixed spheroid and support head, it is conical to support the head, support the summit orientation of head fixed spheroidal one side.

Through adopting above-mentioned technical scheme, the tip that back pincers mouth contacted the bone is conical summit, supports through the face and combines together with some point supports, plays the effect that increases fixed effect.

The utility model discloses further set up to, supporting spring includes first shell fragment and second shell fragment, the one end of first shell fragment with the one end of second shell fragment is articulated, the other end of first shell fragment with back handle fixed connection, the other end of second shell fragment with preceding handle fixed connection.

Through adopting above-mentioned technical scheme, supporting spring comprises first shell fragment and the second shell fragment of fixing on back handle and preceding handle, reduces supporting spring and uses for a long time, and the phenomenon of deformation increases the life of holding the rongeur.

The utility model discloses further set up to, wear to be equipped with the screw rod on the back handle, screw rod one end with the front handle is articulated, the other end of screw rod is equipped with lock nut.

Through adopting above-mentioned technical scheme, preceding pincers mouth and back pincers mouth are fixed the back with the scapula, and medical staff need with this bone-holding forceps handing in nurse's hand, through screw rod and lock nut, fix the specific length that medical staff needs with the distance of back handle and preceding handle spare, reduce the condition of displacement when medical staff hands the bone-holding forceps handing in nurse, improve the precision that the scapula resets.

The utility model discloses further set up to, when holding the rongeur and being in initial condition, preceding pincers mouth is close to one side of back pincers mouth arrives distance between the top of supporting the head is 14 millimeters to 20 millimeters.

By adopting the technical scheme, the distance from the tooth pattern surface of the front forceps mouth to the supporting head of the rear forceps mouth is set to be 14 mm to 20 mm, and the size of the front forceps mouth accords with the size of a normal human body structure.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the guide groove and the guide block, when medical staff clamps the bone forceps, the upper forceps rod moves along the track formed by the guide block of the lower forceps rod, and the effect of increasing the occlusion tightness between the upper forceps rod and the lower forceps rod can be achieved;

2. through the arrangement of the hook-shaped or flat front forceps mouth and the conical rear forceps mouth, when the bone holding forceps are in a clamping state, the effect of clenching the scapula can be achieved;

3. through the setting of screw rod and lock nut's setting, when the position of adjusting the rongeur to press from both sides tight rongeur back, rotatory lock nut will be fixed apart from between preceding handle and the back handle, can play and reduce the in-process that resets, and the rongeur takes place the effect of displacement.

Drawings

Fig. 1 is a schematic view of the overall structure of the bone holding forceps of the present invention.

Fig. 2 is a schematic view of the upper and lower clamping bars of the bone forceps according to an embodiment of the present invention.

Fig. 3 is a schematic view of the upper clamp lever according to the embodiment of the present invention.

In the figure, 1, a bone holding forceps; 2. an upper nipper rod; 21. a guide groove; 22. a travel bar; 23. a connector; 24. a pin body; 3. a lower nipper bar; 31. a guide block; 4. a front handle; 41. a connecting handle; 42. an opening; 5. a rear handle; 6. a support spring; 61. a first spring plate; 62. a second elastic sheet; 7. a front plier mouth; 71. insection; 8. a rear tong mouth; 81. fixing the sphere; 82. a support head; 9. a screw; 91. and locking the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model discloses a scapula coaptation board bone holding forceps refer to fig. 1 and 2, including bone holding forceps 1, bone holding forceps 1 includes tong bar 2, lower tong bar 3, preceding handle 4, and the back end of lower tong bar 3 forms rear handle 5 with the mode of buckling to the side below, and rear handle 5 is close to the one end of lower tong bar 3 and is articulated with preceding handle 4, and articulates simultaneously has connecting handle 41, and connecting handle 41 passes lower tong bar 3, and terminal and last tong bar 2 are articulated. In this embodiment, the upper nipper bar 2 includes the moving rod 22 and the connector 23, the connector 23 is in a shape of a semicircular cake, and is provided with an inner groove in the shape of a semicircular cake, the connecting end of the connecting handle 41 and the upper nipper bar 2 is located in the inner groove of the connector 23, the connecting handle 41 located in the connector 23 is provided with an opening 42, a pin body 24 is provided in the inner groove at a position corresponding to the opening 42, and the pin body 42 is fixedly connected to the connector 23, so that the front handle 4 is combined with the rear end of the upper nipper piece through the connecting handle 41 with the rear handle 5 as a fulcrum. When the medical staff operates the bone forceps 1 and moves the front handle 4 and the rear handle 5 relatively, the pin body moves from the port position of the opening 42 to the bottom end position of the opening 42, so that the front forceps mouth 7 and the rear forceps mouth 8 are close to each other, at the moment, the bone forceps are in a clamping state, and the opening 42 and the upper forceps rod 2 form an acute angle. In this embodiment, in the original state, the rear handle 5 and the lower clamp rod 3 form an obtuse angle of one hundred twenty degrees, and the front handle 4 and the upper clamp rod 2 form an acute angle of approximately ninety degrees. The lower forceps rod 3, the upper forceps rod 2, the rear handle 5 and the front handle 4 are connected to form the gun type bone holding forceps 1 integrally, the gun type structure of the bone holding forceps 1 plays a role in expanding the visual field of medical staff in operation, and the resetting precision is effectively improved.

Referring to fig. 1 and 2, a support spring 6 is provided between the front and rear handles 5. Supporting spring 6 includes first shell fragment 61 and second shell fragment 62 with back handle 5 and preceding handle 4 fixed connection respectively, and the one end that back handle 5 was kept away from to first shell fragment 61 is equipped with spacing mouthful, and the one end that preceding handle 4 was kept away from to second shell fragment 62 is worn to establish in spacing mouthful, extends simultaneously and has a stopper for first shell fragment 61 and second shell fragment 62 form articulated. The two elastic pieces are hinged to form the supporting spring 6, so that the supporting spring is not easy to deform, and the service life of the bone holding forceps 1 is prolonged. In the medical operation process, medical staff's hand need wear medical gloves, and after medical staff's gloves stained blood, when operating rongeur 1, rongeur 1 slippage easily, in this embodiment, the surface of back handle 5 and preceding handle 4 is equipped with anti-skidding line and reduces the rongeur 1 slippage condition.

Referring to fig. 1 and 2, be equipped with the locking structure between preceding handle 4 and the back handle 5, the locking structure is including wearing to establish screw rod 9 on back handle 5, screw rod 9 one end is articulated with preceding handle 4, the other end is equipped with locking lock nut 91, when medical staff uses rongeur 1, be close to preceding handle 4 and back handle 5 each other, make preceding pincers mouth 7 and back pincers mouth 8 press from both sides tight scapula, rethread rotation locking lock nut 91, fix the distance between preceding handle 4 and the back handle 5, reduce the condition that the rongeur 1 takes place the displacement in the reset process.

Referring to fig. 2 and 3, the joint surfaces of the upper and lower clamp bars 2, 3 are respectively provided with a guide groove 21 and a guide block 31 which are matched with the other clamp bar in a segmented manner. In this embodiment, the guide block 31 and the guide groove 21 are T-shaped, and the guide block 31 is embedded in the guide groove 21, so that the upper forceps rod 2 and the lower forceps rod 3 are slidably connected, the upper forceps rod 2 and the lower forceps rod 3 which are mutually matched and can perform relative translational motion are tightly engaged, the stress is uniform, the deformation is small, the anastomotic stoma is tightly combined after closing, and the phenomena of dislocation, deflection, bone residue impaction and the like are not easy to generate.

Referring to fig. 1 and 3, one end of the lower nipper bar 3, which is far away from the rear handle 5, is connected with a front nipper mouth 7, the front nipper mouth 7 is hook-shaped or flat, in this embodiment, the front nipper mouth 7 is hook-shaped, the front nipper mouth 7 comprises a vertical long plate connected with the lower nipper bar 3 and a hook part connected with the vertical long plate, and the vertical long plate is perpendicular to the lower nipper bar 3. Go up the one end that tong bar 2 kept away from front handle 4 and be connected with back pincers mouth 8, back pincers mouth 8 is including the fixed spheroid 81 of connecting tong bar 2 for the porose steel sheet that the fixed scapula of cooperation resets is used, improves the stability among the medical staff operation process. The rear pincer mouth 8 further comprises a supporting head 82 fixedly connected with the fixed ball 81, the supporting head 82 is integrally conical, the top end of the conical shape is arranged towards the front pincer mouth 7, and the supporting head 82 and the hooked front pincer mouth 7 are convenient to clamp the broken scapula under the action of external force. The vertical long plate of the front forceps mouth 7 is provided with insections 71 (see fig. 2) on one side close to the supporting head 82, so that the friction force between the front forceps mouth 7 and the scapula is increased, the phenomenon that medical staff repeatedly use the bone holding forceps 1 at the same position in the resetting process is reduced, and the surgical injury is reduced. Under the interaction of the front forceps mouth 7 and the rear forceps mouth 8, the stability of the bone holding forceps 1 for fixing the scapula is improved.

Referring to fig. 1 and 3, when the bone-holding forceps 1 is in an initial state, the distance between the inner side of the front forceps mouth 7 provided with the insections 71 and the top end of the supporting head 82 is 14 mm to 20 mm, and the arrangement meets the requirement of the size of the scapula of a human body. When the front forceps mouth 7 is set to be hook-shaped, and medical staff uses the bone holding forceps 1 to clamp the scapula, the distance from the inner side of the front forceps mouth 7 provided with the insections 71 to the top end of the supporting head 82 is reduced by 9 mm on the basis of the original distance. When the front forceps mouth 7 is set to be flat, and medical staff uses the bone holding forceps 1 to clamp the scapula, the distance from the inner side of the front forceps mouth 7 provided with the insections 71 to the top end of the supporting head 82 is reduced by 11 mm on the basis of the original distance. This requirement accords with the scope that the scapula dynamics bore, can lock the scapula and make the structure of medical staff's adjustment be difficult to take place the displacement simultaneously, and be difficult to cause secondary wound to the scapula.

The specific implementation manner of the above embodiment is as follows: the whole lamellar structure that is of scapula, the cracked condition takes place for the scapula, treat the operation in-process, medical staff need reset cracked scapula to normal structure earlier, it fixes the steel sheet that resets to need to use bone-holding forceps 1 in the in-process that resets, be equipped with a plurality of locating holes on the steel sheet that resets, the steel sheet that resets is located the one side of scapula, back tong mouth 8 of bone-holding forceps 1 is fixed in the locating hole, the another side at the scapula is fixed to preceding tong mouth 7 of bone-holding forceps 1, during the clamping state, medical staff will lock locking nut 91 to 5 orientations of back handle, supplementary nurse holds up steady with bone-holding forceps 1 that medical staff adjusted, medical staff is under the assistance of bone-holding forceps 1 and other reset instrument, restore cracked scapula structure to original state.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a scapula coaptation board rongeur, includes rongeur (1), rongeur (1) includes tong bar (2), lower tong bar (3), front handle (4) and back handle (5), its characterized in that: the rear handle (5) and the lower clamp rod (3) are integrally formed, the front handle (4) is hinged with a connecting handle (41), and the rear handle (5) is hinged with the front handle (4); a supporting spring (6) is connected between the rear handle (5) and the front handle (4), the lower clamp rod (3) and the upper clamp rod (2) are tightly attached to each other, one end of the connecting handle (41) far away from the front handle (4) is connected with the upper clamp rod (2), and the upper clamp rod (2) and the lower clamp rod (3) are controlled to be mutually connected in a sliding manner; one end, far away from the rear handle (5), of the lower clamp rod (3) is vertically connected with a front clamp mouth (7), and one end, far away from the front handle (4), of the upper clamp rod (2) extends to form a rear clamp mouth (8).

2. A scapula bone plate forceps according to claim 1, characterized in that: go up tong bar (2) and be close to one side of lower tong bar (3) is equipped with guide way (21), lower tong bar (3) are close to one side of going up tong bar (2) is equipped with guide block (31), guide block (31) inlay in guide way (21), guide block (31) are followed respectively go up tong bar (2) with lower tong bar (3) length direction sets up.

3. A scapula bone plate forceps according to claim 2, characterized in that: go up tong pole (2) including being close to the connector (23) of carriage release lever (22) and preceding handle (4) of preceding pincers mouth (7), connector (23) are half pie, connect handle (41) are kept away from the one end of preceding handle (4) is equipped with opening (42), and is located in connector (23), the cylindrical round pin body (24) of fixedly connected with in connector (23), round pin body (24) are located in opening (42).

4. A scapula bone plate forceps according to claim 3, characterized in that: the front clamp mouth (7) is hook-shaped or flat, and a plurality of insections (71) are arranged on one surface of the front clamp mouth (7) close to the rear clamp mouth (8).

5. A scapula bone plate forceps according to claim 4, wherein: the rear tong nozzle (8) comprises a fixed ball body (81) and a supporting head (82), the supporting head (82) is conical, and the top end of the supporting head (82) faces one side of the fixed ball body (81).

6. A scapula bone plate forceps according to claim 5, wherein: the supporting spring (6) comprises a first elastic sheet (61) and a second elastic sheet (62), one end of the first elastic sheet (61) is hinged to one end of the second elastic sheet (62), the other end of the first elastic sheet (61) is fixedly connected with the rear handle (5), and the other end of the second elastic sheet (62) is fixedly connected with the front handle (4).

7. A scapula bone plate forceps according to claim 6, characterized in that: the rear handle (5) is provided with a threaded rod (9) in a penetrating mode, one end of the threaded rod (9) is hinged to the front handle (4), and the other end of the threaded rod (9) is provided with a locking nut (91).

8. A scapula bone plate forceps according to claim 7, wherein: when the bone-holding forceps (1) is in an initial state, the distance between one side of the front forceps mouth (7) close to the rear forceps mouth (8) and the top end of the supporting head (82) is 14 mm-20 mm.

Images