CN217592982U - Storage bin type biting pliers and auxiliary taking-out device thereof - Google Patents

Abstract

The utility model provides a warehouse style stings pincers and supplementary remove device thereof belongs to medical instrument technical field, and the scheme of adoption is: the novel bite-type forceps comprise a bite-type forceps main body, wherein a through hole is formed in the bite-type forceps main body, an operating rod is installed in the through hole, the operating rod is in sliding fit with the bite-type forceps main body and extends outwards, the length of the operating rod is larger than that of the bite-type forceps main body, the front end of the operating rod is fixedly connected with the rear end of an upper forceps rod, a storage bin is arranged in the upper forceps rod, a guide outlet is formed in the rear end of the upper forceps rod, a rear forceps mouth is arranged at the front end of the upper forceps rod, and the rear forceps mouth is communicated with the storage bin. The device has simple structure and convenient operation, can temporarily store the bitten bone or soft tissue in the storage bin without cleaning after each biting, and improves the operation efficiency; the auxiliary taking-out device is convenient to clean the storage bin, and the reliability of the device is enhanced.

Description

Storage bin type biting pliers and auxiliary taking-out device thereof

Technical Field

The patent relates to the technical field of medical equipment, in particular to a warehouse type biting clamp and an auxiliary taking-out device thereof.

Background

When a spine operation is performed, a part of bone such as vertebral plates and articular processes or soft tissue such as ligaments and the like is often required to be removed, and the vertebral plates are generally bitten by using tools such as vertebral plate biting forceps and scalpels or are removed by chiseling. After the biting forceps bite bone or soft tissues, the biting forceps need to be taken out of the body and cleaned by an assistant in a matching way, and the efficiency is low.

With the rise of minimally invasive surgery, doctors do not adopt an open surgery mode of cutting skin, muscle and the like in a large area, but establish a narrow channel capable of reaching a surgical site, bite tissues or cut tissues are taken out through the channel, the bite forceps need to be taken out of a patient body after biting every time when the existing bite forceps are used, the operation of repeatedly taking in and out of the patient body seriously influences the surgery efficiency, and the surgery risk is invisibly increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the biting forceps in the prior art need to repeatedly come in and go out of the body of a patient after biting tissues every time, the utility model provides a storage bin type biting forceps.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a pincers are stung to storage storehouse formula, is provided with the through hole including stinging the pincers main part, stinging the inside of pincers main part, installs the action bars in the through hole, action bars and sting pincers main part sliding fit and overhanging, the length of action bars is greater than the length of stinging the pincers main part, the front end of action bars and the rear end fixed connection of last tong pole, be provided with in the last tong pole and store the storehouse, the rear end of going up the tong pole is provided with the export, the front end of going up the tong pole is provided with back pincers mouth, back pincers mouth is linked together with storing the storehouse. In minimally invasive spine surgery, excised tissues or bitten tissues can be squeezed into the storage bin through a rear forceps mouth communicated with the storage bin and temporarily stored in the storage bin in the upper forceps rod, and the relative friction force between the bitten and the inner wall of the storage bin is increased along with the continuous squeezing of the bitten tissues into the storage bin, so that the bitten tissues are firmly squeezed into the storage bin; after a certain amount of tissues are stored, the biting clamp is taken out of the body of a patient through an operation channel of a minimally invasive operation, then an assistant directly replaces an upper clamp rod or cleans the biting clamp, and biting objects in the storage bin are cleaned out through a guide outlet during cleaning. The device need not to clean up after stinging the removal tissue at every turn, has avoided passing in and out the patient repeatedly internal, has greatly shortened the operation time, has improved operation efficiency.

Furthermore, the clamp comprises a lower clamp rod, the lower clamp rod is fixedly connected with the front end of the bite clamp main body, a front clamp mouth is arranged at the front end of the lower clamp rod and located in front of a rear clamp mouth, and the distance between the front clamp mouth and the rear clamp mouth can be changed through a push-pull operating rod. The front forceps mouth is fixed, the rear forceps mouth can move along with the operating rod, ligaments or tissues can be directly bitten down and then squeezed into the storage bin, and the bitten tissues are prevented from falling off.

Furthermore, the main body of the bite clamp is cylindrical and comprises a large-diameter section and a small-diameter section which are connected, one end of the small-diameter section is fixedly connected with the lower clamp rod, and the other end of the small-diameter section is connected with the large-diameter section; the through hole comprises a first through hole and a second through hole which are different in aperture, the first through hole is arranged at one section with a small aperture, the second through hole is arranged at one section with a large aperture, the first through hole is arranged inside the small-diameter section, and the second through hole is arranged inside the large-diameter section. The structural stability of the main body of the biting clamp is convenient to ensure, and the clamping person can better operate the biting clamp in the operation process.

Furthermore, the operating rod comprises a first operating rod and a second operating rod which are different in diameter, the first operating rod is a section with a small diameter, the second operating rod is a section with a large diameter, and the diameters of the first operating rod and the second operating rod correspond to the inner diameters of the first through hole and the second through hole respectively. The operating rod is guaranteed to be firm in structure, reliability of the device is improved conveniently, and the service life of the device is prolonged.

Further, still include the handle, the handle includes hollow connecting portion, fixed handle and presses the handle, stings the rear end of pincers main part and action bars and installs in the cavity of connecting portion, and the tip of action bars is provided with butt portion, and butt portion and sting are provided with reset spring between the pincers main part, butt portion with press handle looks butt, press the handle and articulate with fixed handle. The handle can strengthen the acting force between the front clamp mouth and the rear clamp mouth, so that the bone block can be conveniently bitten and taken.

Furthermore, the storage bin is conical, the small end of the storage bin is close to the rear tong nozzle, and the guide outlet is positioned on the side wall of the storage bin close to the large end. The bitten or cut tissue can be better squeezed into the storage bin, and the falling-off condition is prevented.

Furthermore, a sliding block is further arranged on the upper nipper rod, a sliding groove extending along the length direction of the upper nipper rod is formed in the lower nipper rod, the sliding block is matched with the cross section of the sliding groove, and the upper nipper rod is in sliding fit with the lower nipper rod. The setting of slider and spout can make the action bars drive when the tong pole motion more steady, also can carry on spacingly to last tong pole simultaneously.

Further, still include the limiting plate, the limiting plate sets up with the circular lug homonymy, and the height of limiting plate is greater than the thickness of circular lug. Prevent the auxiliary taking-out device from shifting and improve the tissue removal efficiency.

An auxiliary taking-out device matched with the storage type biting pliers comprises a thimble and a handle, wherein the thimble is perpendicular to the handle, and the diameter of the thimble is smaller than the inner diameter of a storage bin. When the biting pliers are cleaned, the potential safety hazard existing when workers directly adopt steel needles to clean is eliminated, the auxiliary taking-out device is placed between the front pliers mouth and the rear pliers mouth, the upper pliers rod is pushed to move by pressing the handle, and when the upper pliers rod and the lower pliers rod clamp the auxiliary taking-out device, the ejector pin is inserted into the storage bin, so that tissues in the storage bin are loosened, and then the tissues are ejected out through the guide outlet.

Furthermore, the handle also comprises a circular convex block which is arranged on one side of the handle far away from the thimble and is arranged concentrically with the thimble. The direction of being convenient for adjust the thimble improves and clears away efficiency, simultaneously, can adapt to the pincers mouth of different angles, has increased the application scope of device.

According to the technical scheme, the utility model has the advantages of it is following:

the scheme provides a storage bin type biting clamp and an auxiliary taking-out device thereof, the device is simple in structure and convenient to operate, the bitten and removed tissues can be temporarily stored in a storage bin, the tissues do not need to be cleaned after being bitten and removed every time, repeated entering and exiting of a patient body are avoided, the operation time is greatly shortened, and the operation efficiency is improved; the auxiliary taking-out device is convenient to clean the storage bin, potential safety hazards caused by the fact that a steel needle is directly adopted during cleaning are avoided, and reliability of the device is enhanced.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is a schematic structural view of the upper clamp lever according to the embodiment of the present invention.

Fig. 3 is a schematic structural view of the connection between the main body of the bite forceps and the operating rod according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of the main body of the bite forceps in the embodiment of the present invention.

Fig. 5 is a schematic structural view of a storage bin according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of an auxiliary removing device according to an embodiment of the present invention.

Fig. 7 is a schematic view of a method of using the auxiliary removing device.

In the drawing, 1, a nipper main body, 2, an operating rod, 3, a handle, 4, a through hole, 5, an upper nipper rod, 6, a lower nipper rod, 7, a front nipper mouth, 8, a rear nipper mouth, 9, a sliding block, 10, a sliding groove, 11, a large-diameter section, 12, a small-diameter section, 13, a first through hole, 14, a second through hole, 15, a first operating rod, 16, a second operating rod, 17, a butting part, 18, a storage bin, 19, a guide outlet, 20, a small-end, 21, a large-end, 22, a thimble, 23, a handle, 24, a circular convex block, 25, a limiting plate, 26, a connecting part, 27, a fixed handle, 28, a pressing handle, 29 and a return spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. 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 scope of protection of this patent.

As shown in fig. 1 to 5, a storage type bite clamp comprises a bite clamp body 1, a through hole 4 is formed in the bite clamp body 1, an operating rod 2 is installed in the through hole 4, the operating rod 2 is slidably matched with the bite clamp body 1 and extends outwards, the length of the operating rod 2 is greater than that of the bite clamp body 1, the lower end of the operating rod 2 (refer to the position and direction of each part in fig. 1) is fixedly connected with the upper end of an upper clamp rod 5, a storage bin 18 is arranged in the upper clamp rod 5, a guide outlet 19 is formed in the upper end of the upper clamp rod 5, a rear clamp mouth 8 is arranged at the lower end of the upper clamp rod 5, and the rear clamp mouth 8 is communicated with the storage bin 18.

Still include lower tong pole 6, lower tong pole 6 and the lower extreme fixed connection who stings pincers main part 1, the lower extreme of lower tong pole 6 is provided with preceding pincers mouth 7, and preceding pincers mouth 7 is located the below of back pincers mouth 8, can change the distance between preceding pincers mouth 7 and the back pincers mouth 8 through push-and-pull operating lever 2. The front forceps mouth 7 is fixed, the rear forceps mouth 8 can move along with the operating rod 2, tissues can be directly bitten down and then squeezed into the storage bin 18, and the bitten tissues are prevented from falling off.

Specifically, the upper clamp rod 5 is detachably mounted on the operating rod 2, and connection modes such as threaded connection, insertion connection, clamping connection and the like can be selected between the upper clamp rod and the operating rod; the upper clamp rod 5 is provided with a corresponding slot, so that the upper clamp rod 5 can be inserted into the operating rod 2; the upper clamp rod 5 and the operating rod 2 are respectively provided with a clamping groove and a clamping block which are matched with each other, so that the clamping connection between the upper clamp rod and the operating rod can be realized; also can be as shown in fig. 5, select for use the mode of last tong bar 5 and 2 threaded connection of action bars to realize going up tong bar 5 detachable and install on action bars 2, select for use threaded connection to be convenient for the dismouting when guaranteeing joint strength, strengthened the reliability of device.

The biting clamp comprises a main body 1 and an operating rod 2, and is characterized by further comprising a handle 3, wherein the handle 3 comprises a hollow connecting portion 26, a fixed handle 27 and a pressing handle 28, the rear ends of the biting clamp main body 1 and the operating rod 2 are installed in a cavity of the connecting portion 26, the end portion of the operating rod 2 is provided with a butting portion 17, a return spring 29 is arranged between the butting portion 17 and the biting clamp main body 1, the butting portion 17 is butted with the pressing handle 28, and the pressing handle 28 is hinged with the fixed handle 27. A limiting ring can be arranged at one end of the biting clamp body 1 positioned in the connecting part 26 to prevent the limiting spring 29 and the biting clamp body 1 from sliding relatively; the handle 3 can strengthen the acting force between the front forceps mouth 7 and the rear forceps mouth 8, so that the bone block can be conveniently bitten and taken.

Wherein, the specific structure of the biting clamp main body 1 is as follows: the main body 1 of the biting clamp is cylindrical and comprises a small-diameter section 11 and a large-diameter section 12 which are connected, one end of the small-diameter section 11 is fixedly connected with the lower clamp rod 6, and the other end of the small-diameter section is connected with the large-diameter section 12; the through hole 4 comprises a first through hole 13 and a second through hole 14 which are different in hole diameter, the first through hole 13 is arranged at the section with the smaller hole diameter, the second through hole 14 is arranged at the section with the larger hole diameter, the first through hole 13 is arranged inside the small-diameter section 11, and the second through hole 14 is arranged inside the large-diameter section 12. The stability of the structure of the main body 1 of the biting clamp is convenient to guarantee, the biting clamp can be better held, and a user holding the biting clamp can better operate the biting clamp in the operation process. A buffer pad can be arranged on the hole wall at the junction of the first through hole 13 and the second through hole 14, so that the operating rod 2 is prevented from colliding with the hole wall of the through hole 4 when acting, the impact is weakened conveniently, and the service life of the device is prolonged.

The specific structure of the operating rod 2 is: the operating rod 2 comprises a first operating rod 15 and a second operating rod 16 which are different in diameter, the first operating rod 15 is a section with a small diameter, the second operating rod 16 is a section with a large diameter, and the diameters of the first operating rod 15 and the second operating rod 16 correspond to the inner diameters of the first through hole 13 and the second through hole 14 respectively. Guarantee the 2 stable in structure of action bars, be convenient for improve the reliability of device and prolong the life of device.

The upper clamp rod 5 and the lower clamp rod 6 are in sliding fit through the following specific structures: the upper nipper bar 5 is also provided with a slide block 9, the lower nipper bar 6 is provided with a slide groove 10 extending along the length direction of the upper nipper bar, the slide block 9 is matched with the slide groove 10 in cross section shape, and the upper nipper bar 5 is in sliding fit with the lower nipper bar 6. The setting of slider 9 and spout 10 can make operating lever 2 drive when going up the motion of claw beam 5 more steady, also can carry on spacingly to last claw beam 5 simultaneously.

In addition, the specific structure of the storage bin 18 is as follows: the storage chamber 18 is conical, a small end 20 of the storage chamber 18 is close to the rear nipper 8, and the outlet 19 is located on the side wall of the storage chamber 18 close to a large end 21. The bitten or excised tissue can better intrude into the storage compartment 18 and prevent sloughing.

On the other hand, the utility model also provides an auxiliary taking-out device that cooperation above-mentioned storage storehouse formula was bitten pincers and is used:

example one

As shown in fig. 6, the auxiliary removing device includes a thimble 22 and a handle 23, the thimble 22 is perpendicular to the handle 23, and the diameter of the thimble 22 is smaller than the inner diameter of the storage compartment 18. When the biting pliers are cleaned, the potential safety hazard existing when workers directly clean steel needles is eliminated, the auxiliary taking-out device is placed between the front pliers mouth 7 and the rear pliers mouth 8, the upper pliers rod 5 is pushed to move by pressing the handle 22, when the auxiliary taking-out device is clamped by the upper pliers rod 5 and the lower pliers rod 6, the ejector 22 in the auxiliary taking-out device is inserted into the storage bin 18, tissues in the storage bin 18 are loosened, and then the tissues are ejected out through the outlet 19.

The auxiliary withdrawing device further comprises a circular convex block 24, and the circular convex block 24 is arranged on one side of the handle 23 far away from the thimble 22 and is concentric with the thimble 22. Can adapt to the plier mouths with different angles, and increases the application range of the device.

Example two

The structure and principle of the device in this embodiment are substantially the same as those of the first embodiment, except that, as shown in fig. 6, in this embodiment, on the basis of the first embodiment, a limiting plate 25 is further disposed on the same side of the circular bump 24, and the height of the limiting plate 25 is greater than the thickness of the circular bump 24. On one hand, the auxiliary taking-out device can be supported, and on the other hand, when the auxiliary taking-out device is used, the handle 23 is held by hand, the angle of the auxiliary taking-out device is adjusted, and at the moment, the limiting plate 25 can be used as a fulcrum to be abutted against the front tong mouth 7, so that the thimble 22 is prevented from being displaced; the direction of the thimble 22 can be adjusted conveniently to improve the tissue removal efficiency.

The front clamp mouth 7 and the rear clamp mouth 8 can be arranged in different shapes according to different shearing objects, for example, a flat clamp mouth is adopted for shearing bones, and a clamp mouth with saw teeth is adopted for shearing tissues.

The working principle of the warehouse type biting pliers and the auxiliary taking-out device thereof is as follows: in a minimally invasive spine surgery, when bones or tissues need to be removed, a forceps holder pushes the operating rod 2 to slide in the main body 1 of the biting forceps by pressing the handle 28, so that the upper forceps rod 5 is driven to move, the distance between the front forceps mouth 7 and the rear forceps mouth 8 is changed, and the tissues are clamped and bitten down; the cut or bitten tissue can be squeezed into the storage cabin 18 through the rear tong nozzle 8 communicated with the storage cabin 18 and temporarily stored in the storage cabin 18 in the upper tong rod 5; the relative friction between tissues and between the tissues and the inner wall of the storage bin 18 is increased along with the continuous extrusion of the tissues into the storage bin 18, so that the bitten tissues are firmly extruded into the storage bin 18, and the conical storage bin 18 further ensures that the bitten tissues can have enough storage space and can prevent the tissues from falling off from the rear tong mouth 8; after a certain amount of tissues are stored, the bite clamp is taken out of the body of a patient through an operation channel of a minimally invasive operation, and then an assistant directly replaces the upper clamp rod 5 or cleans the upper clamp rod; as shown in fig. 7, when cleaning, the auxiliary removing device is placed between the front pincer mouth 7 and the rear pincer mouth 8, the upper pincer rod 5 is pushed to move by pressing the handle 22, and when the auxiliary removing device is clamped by the upper pincer rod 5 and the lower pincer rod 6, the thimble 22 in the auxiliary removing device is inserted into the storage bin 18, so that the tissue in the storage bin 18 is loosened, and the tissue in the storage bin 18 is ejected out from the outlet 19, thereby avoiding the potential safety hazard caused by directly using a steel needle to clean; the bone block is not required to be cleaned every time after being bitten, the operation time is greatly shortened, and the operation efficiency is improved.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a storage bin formula bites pincers, a serial communication port, including stinging pincers main part (1), the inside of stinging pincers main part (1) is provided with through hole (4), install action bars (2) in through hole (4), action bars (2) and stinging pincers main part (1) sliding fit and overhanging, the length of action bars (2) is greater than the length of stinging pincers main part (1), the front end of action bars (2) and the rear end fixed connection of last claw beam (5), be provided with in last claw beam (5) and store storehouse (18), the rear end of going up claw beam (5) is provided with outlet (19), the front end of going up claw beam (5) is provided with back pincers mouth (8), back pincers mouth (8) are linked together with storing storehouse (18).

2. The warehouse type biting pliers according to claim 1, further comprising a lower pliers rod (6), wherein the lower pliers rod (6) is fixedly connected with the front end of the biting pliers body (1), a front pliers mouth (7) is arranged at the front end of the lower pliers rod (6), the front pliers mouth (7) is positioned in front of a rear pliers mouth (8), and the distance between the front pliers mouth (7) and the rear pliers mouth (8) can be changed by pushing and pulling the operating rod (2).

3. The bin type biting clamp according to claim 2, wherein the biting clamp body (1) is cylindrical and comprises a small diameter section (11) and a large diameter section (12) which are connected, one end of the small diameter section (11) is fixedly connected with the lower clamp rod (6), and the other end is connected with the large diameter section (12); the through hole (4) comprises a first through hole (13) and a second through hole (14) which are different in aperture, the first through hole (13) is arranged at one section with a small aperture, the second through hole (14) is arranged at one section with a large aperture, the first through hole (13) is arranged inside the small-diameter section (11), and the second through hole (14) is arranged inside the large-diameter section (12).

4. The silo-type biting pliers as claimed in claim 3, wherein the operating lever (2) comprises a first operating lever (15) and a second operating lever (16) which have different diameters, the first operating lever (15) is a section with a small diameter, the second operating lever (16) is a section with a large diameter, and the diameters of the first operating lever (15) and the second operating lever (16) correspond to the inner diameters of the first through hole (13) and the second through hole (14), respectively.

5. The warehouse-type biting pliers as claimed in claim 1, further comprising a handle (3), wherein the handle (3) comprises a hollow connecting portion (26), a fixed handle (27) and a pressing handle (28), the rear ends of the biting pliers body (1) and the operating rod (2) are mounted in a cavity of the connecting portion (26), the end of the operating rod (2) is provided with an abutting portion (17), a return spring (29) is arranged between the abutting portion (17) and the biting pliers body (1), the abutting portion (17) abuts against the pressing handle (28), and the pressing handle (28) is hinged to the fixed handle (27).

6. A cartridge-type biting vice as claimed in claim 1, characterized in that the storage compartment (18) is conical, the small end (20) of the storage compartment (18) being located adjacent the rear jaw (8), and the lead-out opening (19) being located in a side wall of the storage compartment (18) adjacent the large end (21).

7. The storage type biting pliers according to claim 2, wherein the upper pliers lever (5) is further provided with a sliding block (9), the lower pliers lever (6) is provided with a sliding groove (10) extending along the length direction of the upper pliers lever, the sliding block (9) is matched with the sliding groove (10) in cross-sectional shape, and the upper pliers lever (5) is in sliding fit with the lower pliers lever (6).

8. An auxiliary extraction device for use with a magazine-type bit as claimed in any one of claims 1 to 5, comprising a spike (22) and a handle (23), the spike (22) being arranged perpendicular to the handle (23), the diameter of the spike (22) being less than the internal diameter of the magazine (18).

9. The auxiliary removing device according to claim 8, further comprising a circular projection (24), wherein the circular projection (24) is provided on a side of the handle (23) away from the thimble (22) and is concentrically provided with the thimble (22).

10. The auxiliary removing device of claim 9, further comprising a limiting plate (25), wherein the limiting plate (25) is arranged on the same side as the round bump (24), and the height of the limiting plate (25) is greater than the thickness of the round bump (24).

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