CN217138174U

CN217138174U - Vertebral lamina rongeur

Info

Publication number: CN217138174U
Application number: CN202220207423.0U
Authority: CN
Inventors: 滕长青; 刘青山; 王远彬
Original assignee: Pmt Chengdu Medical Technology Co ltd
Current assignee: Pmt Chengdu Medical Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-09
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a vertebral plate rongeur, which comprises a pincer body and a pincer rod, wherein the pincer body comprises a front handle, a rear handle and a top cover, the top of the rear handle is connected with the top cover, the top of the front handle extends into the rear handle and the top cover, and the front handle is hinged with the rear handle; the top cover is of a hollow cylindrical structure, and the inner cavity of the top cover is matched with the clamp rod; the clamp rod comprises an upper clamp rod, a lower clamp rod and a push rod, the lower clamp rod comprises a cutting sheath, a lower rod part and a connecting part which are sequentially connected, the upper clamp rod comprises a clamp head and an upper rod part which are sequentially connected, the upper clamp rod is matched with the lower clamp rod, the connecting part is in a circular ring shape, a connecting cavity is formed in the connecting part, and the push rod is sleeved in the connecting cavity; one end of the push rod penetrates through the connecting part of the lower clamp rod to be fixedly connected with the upper clamp rod, and the other end of the push rod is in contact with the side part of the top end of the front handle. The utility model discloses a go up smooth no recess in tong pole periphery, handle promotion catch bar drives the in-process of tong pole motion in the front, goes up the tong pole and can not produce the breach with lower tong pole, can avoid carrying unnecessary normal soft tissue.

Description

Vertebral lamina rongeur

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to vertebral plate rongeur.

Background

The vertebral plate rongeur is mainly used for biting vertebral plate and articular process sclerotin or trimming bone stump in spinal surgery, and is mainly composed of a binding clip and a handle.

Chinese utility model patent CN 206950198U discloses a detachable rotary slender rod vertebral plate rongeur, which comprises a binding clip, a clamp main body and a clamp handle, wherein the binding clip comprises a clip body and a cutting rod clamp, the clip body and the cutting rod clamp are matched with each other, the clip body comprises a rotary direction-adjusting rod, and the tail end of the rotary direction-adjusting rod is provided with a rotary direction-adjusting platform; the forceps handle comprises a holding handle and an operating handle which are mutually hinged, the holding handle comprises a connecting part and a holding part, the free end of the connecting part is rotatably connected with the forceps main body, and the connecting end of the connecting part is connected with the forceps main body in a buckling manner through a connecting block; the connecting part is also provided with a direction adjusting device, and the direction adjusting device is matched with the rotary direction adjusting platform; the top of the operating handle is arranged in the forceps main body and is abutted against the tail end of the forceps rod; a clamp rod platform is arranged in the clamp main body and matched with the rotary direction-adjusting platform; the direction of the clamp rod is adjusted. However, the above patent has the following problems in the use process: 1. as can be seen from the attached figure 1, the forceps head of the cutting rod forceps slides in the cutting sheath of the rod body to bite bones, but after the forceps head moves forwards, a gap is formed between the tail end of the forceps head and the rod body, and redundant normal soft tissues are easily carried out in use; 2. the direction-adjusting wrench is tightly close to the operating handle, and the operating handle is easy to be opened by mistake in the operating process, so that the bone cannot be bitten normally; 3. the weight of the product is heavy, the operation of doctors is laborious, the surfaces of the holding handle and the operation handle are smooth, and slipping easily occurs in the operation to cause bone biting deviation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a vertebral plate rongeur, the clamping rod can not generate a gap in the relative motion process, and the unnecessary normal soft tissue is prevented from being carried in the operation.

In order to realize the technical purpose, the utility model discloses a technical scheme is:

a vertebral plate rongeur comprises a plier body and a plier rod, wherein one end of the plier body, which points to an affected part, is defined as a front end, and one end of the plier body, which points to an operator, is defined as a rear end; the top cover is of a hollow cylindrical structure, and the inner cavity of the top cover is matched with the clamp rod; the clamp rod comprises an upper clamp rod, a lower clamp rod and a push rod, the lower clamp rod comprises a cutting sheath, a lower rod part and a connecting part which are sequentially connected, the upper clamp rod comprises a clamp head and an upper rod part which are sequentially connected, the upper clamp rod is matched with the lower clamp rod, the connecting part is in a circular ring shape, a connecting cavity is formed in the connecting part, and the push rod is sleeved in the connecting cavity; one end of the push rod penetrates through the connecting part of the lower clamp rod to be fixedly connected with the upper clamp rod, and the other end of the push rod is in contact with the side part of the top end of the front handle.

Furthermore, lower pole portion, upper rod portion are half cylinder respectively, are provided with the guide way in the lower pole portion, and upper rod portion is provided with the protruding stupefied with the guide way adaptation.

Furthermore, one end of the push rod is provided with a push cap, a spring is sleeved on the push rod, and the spring is arranged between the push cap and the lower clamp rod.

Further, the open end of connecting portion is provided with and holds the chamber, and the intracavity is held in the one end of spring is located.

Further, the back handle front end bottom of the pincers body is provided with the locking structure, the locking structure includes the attacker, the attacker is articulated through the spliced pole with back handle front end bottom, be provided with the torsional spring on the spliced pole, the front end of attacker is for pressing the end, and the rear end is provided with the locking post, the locking post passes the front end of back handle and is connected with the connecting portion of lower tong pole.

Further, a plurality of direction-adjusting grooves are uniformly distributed in the circumferential direction of the connecting portion, the locking columns are inserted into the direction-adjusting grooves, and the locking columns are matched with the direction-adjusting grooves.

Further, the handle is equipped with engaging lug, handle perforation, draw-in groove in proper order after the bottom of top cap corresponds, the engaging lug is articulated with back handle top front end, the top cap rear end passes through the connecting block and is connected with back handle, and the card is established in the draw-in groove of top cap on the connecting block, and the lower extreme is articulated with back handle.

Further, the inside of top cap is provided with the groove of dodging with the connecting portion adaptation of lower tong pole.

Furthermore, the surfaces of the front handle and the rear handle are provided with anti-skidding structures.

Furthermore, weight reduction grooves are formed in the front handle and the rear handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the vertebral plate rongeur of the utility model has smooth periphery of the upper nipper rod without a groove, and in the process that the front handle pushes the push rod to drive the upper nipper rod to move, the upper nipper rod and the lower nipper rod can not generate gaps, thus avoiding carrying redundant normal soft tissue;

2) the vertebral plate rongeur of the utility model has the advantages that the rear end of the upper tong rod is provided with the connecting part, and the tong body is provided with the locking structure, so that the tong rod can be adjusted to change the biting direction under the condition that the handle direction is inconvenient, and an operator can use the vertebral plate rongeur more flexibly;

3) the utility model discloses a vertebral plate rongeur sets up and subtracts heavy groove and antiskid groove, further alleviates operator's intensity of labour, and antiskid groove can prevent to skid, ensures the security of performing the operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii (a view with a top cover removed) of the embodiment of the present invention;

fig. 3 is a partial cross-sectional view of an embodiment of the invention;

fig. 4 is a sectional view of the clamp lever according to the embodiment of the present invention.

Reference numerals: 1-front handle, 2-rear handle, 3-top cover, 4-lower clamp rod, 5-upper clamp rod, 6-pushing rod, 7-buckle, 8-connecting block, 11-weight reducing groove, 12-antiskid groove, 31-connecting lug, 32-handle perforation, 33-clamping groove, 41-sheath cutting, 42-lower rod part, 43-connecting part, 44-direction adjusting groove, 45-accommodating cavity, 51-clamp head, 52-upper rod part, 61-pushing cap and 71-locking column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

A vertebral plate rongeur, as shown in figures 1-4, comprises a pincer body and a pincer rod, wherein in the following description, one end pointing to an affected part is defined as a front end, and the other end pointing to an operator is defined as a rear end, the pincer body comprises a front handle 1, a rear handle 2 and a top cover 3, the top of the rear handle 2 is connected with the top cover 3, the top of the front handle 1 extends into the rear handle 2 and the top cover 3, and the front handle 1 is hinged with the rear handle 2; the top cover 3 is of a hollow cylindrical structure, and the inner cavity of the top cover 3 is matched with the clamp rod;

the clamp rod comprises an upper clamp rod 5, a lower clamp rod 4 and a push rod 6, the lower clamp rod 4 comprises a cutting sheath 41, a lower rod part 42 and a connecting part 43 which are sequentially connected, the upper clamp rod 5 comprises a clamp head 51 and an upper rod part 52 which are sequentially connected, the lower rod part 42 and the upper rod part 52 are respectively in a semi-cylindrical shape, a guide groove is formed in the lower rod part 42, and a convex edge matched with the guide groove is formed in the upper rod part 52; the connecting part 43 is annular, the peripheral diameter of the connecting part 43 is larger than that of the lower rod part 42, a plurality of direction-adjusting grooves 44 are uniformly distributed on the periphery of the connecting part 43 in an annular mode, a connecting cavity is formed in the connecting part 43, and the push rod 6 is sleeved in the connecting cavity; one end of a push rod 6 penetrates through the connecting part of the lower clamp rod 4 to be fixedly connected with the upper clamp rod 5, a push cap 61 is arranged at the other end of the push rod 6, and the push cap 61 is in contact with the side part of the top end of the front handle 1. Be provided with in connecting portion 43 and hold chamber 45, the cover is equipped with the spring on catch bar 6, and the spring is located and is pushed away cap 61 and hold between the chamber 45.

2 front end bottoms of back handle of the pincers body are provided with the locking structure, the locking structure includes attacker 7, it is articulated that attacker 7 passes through the spliced pole with 2 front end bottoms of back handle, be provided with the torsional spring on the spliced pole, attacker 7's front end is for pressing the end, and the rear end is provided with locking post 71, locking post 71 passes in the accent of the front end of back handle 2 inserts connecting portion 43 of lower tong pole 4 to recess 44, locking post 71 with transfer to recess 44 adaptation plays the effect of fixed tong pole, presses attacker 7, can loosen locking post 71 and tong pole 4, rotates tong pole 4 and relocks after the suitable position, can realize the accent of tong pole. The pressing end of the button hand faces the affected part and is far away from the operator, so that the mistaken touch opening in the use process can be avoided.

The bottom of the top cover 3 is sequentially provided with a connecting lug 31, a handle perforation 32 and a clamping groove 33 corresponding to the rear handle 2, the connecting lug 31 is hinged with the front end of the top of the rear handle 2, the handle perforation 32 is a runway-shaped hole or a strip-shaped through hole to meet the requirement of the movement of the front handle 1, the rear end of the top cover 3 is connected with the rear handle 2 through a connecting block 8, the upper end of the connecting block 8 is clamped in the clamping groove 33 of the top cover 3, the lower end of the connecting block is hinged with the rear handle 2, the middle part of the connecting block is provided with a pressing plate, the pressing plate is pressed to separate the upper end of the connecting block 8 from the top cover, and the top cover can be opened; the inside of top cap 3 is provided with the groove of dodging with the connecting portion 43 adaptation of lower tong pole 4, prevents the front end roll-off of tong pole follow top cap 3.

Furthermore, the inside of front handle 1, back handle 2 is equipped with subtracts heavy groove 11 to alleviate rongeur's weight, reduce doctor's intensity of labour, and the surface of front handle 1 and back handle 2 sets up anti-skidding structure, for example overlaps establishes anti-skidding silica gel or sets up anti-skidding groove 12, effectively avoids handheld skidding, and then causes the appearance of rongeur deviation.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. The utility model provides a vertebral plate rongeur, includes the pincers body and tong pole, and the one end that the definition points to the affected part is the front end, and the one end that points to the operator is the rear end, its characterized in that: the pliers body comprises a front handle (1), a rear handle (2) and a top cover (3), the top of the rear handle (2) is connected with the top cover (3), the top of the front handle (1) extends into the rear handle (2) and the top cover (3), and the front handle (1) is hinged with the rear handle (2); the top cover (3) is of a hollow cylindrical structure, and the inner cavity of the top cover (3) is matched with the clamp rod; the clamp rod comprises an upper clamp rod (5), a lower clamp rod (4) and a push rod (6), the lower clamp rod (4) comprises a cutting sheath (41), a lower rod part (42) and a connecting part (43) which are sequentially connected, the upper clamp rod (5) comprises a clamp head (51) and an upper rod part (52) which are sequentially connected, the upper clamp rod (5) is matched with the lower clamp rod (4), the connecting part (43) is in a circular ring shape, a connecting cavity is formed in the connecting part (43), and the push rod (6) is sleeved in the connecting cavity; one end of a push rod (6) penetrates through the connecting part of the lower clamp rod (4) to be fixedly connected with the upper clamp rod (5), and the other end of the push rod (6) is in contact with the side part of the top end of the front handle (1).

2. The laminar rongeur of claim 1, wherein: the lower rod part (42) and the upper rod part (52) are respectively in a semi-cylindrical shape, a guide groove is formed in the lower rod part (42), and a convex edge matched with the guide groove is formed in the upper rod part (52).

3. The laminar rongeur of claim 1, wherein: one end of the push rod (6) is provided with a push cap (61), a spring is sleeved on the push rod (6), and the spring is arranged between the push cap (61) and the lower clamp rod.

4. The laminar rongeur of claim 3, wherein: the open end of connecting portion (43) is provided with and holds chamber (45), and the one end of spring is located and is held in chamber (45).

5. The laminar rongeur of claim 1, wherein: the utility model discloses a pincers, including pincers body, back handle (2) front end, the spliced pole is articulated, be provided with the torsional spring on the spliced pole, the front end of back handle (2) front end bottom of pincers body is provided with the locking structure, the locking structure includes attacker (7), attacker (7) are articulated through the spliced pole with back handle (2) front end bottom, be provided with the torsional spring on the spliced pole, the front end of attacker (7) is for pressing the end, and the rear end is provided with locking post (71), the front end that back handle (2) were passed in locking post (71) is connected with connecting portion (43) of lower tong pole (4).

6. The laminar rongeur of claim 5, wherein: connecting portion (43) periphery hoop evenly is laid a plurality of accent to recess (44), locking post (71) insert and transfer to in recess (44), locking post (71) with transfer to recess (44) adaptation.

7. The laminar rongeur of claim 1, wherein: the bottom of top cap (3) corresponds back handle (2) and is equipped with engaging lug (31), handle perforation (32), draw-in groove (33) in proper order, engaging lug (31) are articulated with back handle (2) top front end, top cap (3) rear end is passed through connecting block (8) and is connected with back handle (2), and the card is established in draw-in groove (33) of top cap (3) in connecting block (8) upper end, and the lower extreme is articulated with back handle (2).

8. The laminar rongeur of claim 7, wherein: the inside of top cap (3) is provided with the groove of dodging with connecting portion (43) adaptation of lower tong pole (4).

9. The laminar rongeur of claim 1, wherein: the laminar rongeur of claim (1), wherein: the surfaces of the front handle (1) and the rear handle (2) are provided with anti-skid structures.

10. The laminar rongeur of claim 1, wherein: and weight reduction grooves (11) are formed in the front handle (1) and the rear handle (2).