CN108606819B - Inverted puncher and use method thereof - Google Patents

Abstract

The invention relates to a reverse puncher and a using method thereof, and belongs to the field of medical appliances. At present, reverse reaming cannot be realized in the orthopedic operation, so that the difficulty for the operation is increased. The invention comprises a tool bit, an inner rod, an outer tube seat, a handle, a sliding guide pin, a lock clamp, a pressure spring, a pressing cap and a tool handle, wherein the outer tube seat and the sliding guide pin are both arranged on the handle, one end of the outer tube is arranged on the outer tube seat, the tool bit is arranged at the other end of the outer tube, one end of the tool handle is positioned in the handle, the tool handle is provided with a waist-shaped hole, the sliding guide pin penetrates through the waist-shaped hole, the inner rod is positioned in the outer tube, the tool handle is connected with one end of the inner rod, the other end of the inner rod is connected with the tool bit, the handle is provided with a pressing cap groove, the pressing cap is arranged on the pressing cap groove, one end of the pressure spring is contacted with the bottom of the pressing cap groove, the other end of the pressure spring is contacted with the pressing cap, the lock clamp is arranged on the pressing cap, and the lock clamp is contacted with the tool handle. The cutter head is controlled by the cutter handle to realize punching, so that the operation is convenient, the operation time is saved, and the pain of a patient is relieved.

Description

Inverted puncher and use method thereof

Technical Field

The invention relates to a reverse puncher and a using method thereof, and belongs to the field of medical appliances.

Background

The hole puncher is often used for one of the medical devices commonly used in the orthopedic operation, and the reverse reaming is needed in the operation process, so that the diameter of the hole inside is larger than that of the hole outside, but the reverse reaming cannot be realized in the orthopedic operation at present, so that the difficulty of the operation is increased, and meanwhile, the pain of a patient is increased.

In view of this, an electric placenta punch is disclosed in patent document application No. 201510238898.0, and includes a punch body, a locking sleeve, a torque adjusting nut, an electric bracket, a working compression bar, a reversing switch, a hanging ring, and a power plug; a motor is arranged in the electric bracket; the output shaft of the motor is connected with one end of the puncher body, and a locking sleeve is arranged at the connecting position of the output shaft of the motor and one end of the puncher body; the outer circumferential surface of the locking sleeve is provided with a torque adjusting nut; the other end of the electric bracket is connected with a working compression bar, a reversing switch, a hanging ring and a power plug; the puncher body comprises a sampling section, a transition section and a connecting section; and a sampling hole is also formed in the outer circumferential surface of the proximal end of the sampling section. The hole puncher in the above-mentioned comparison document can not realize reverse reaming, and the performance is subalternation shortcoming.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the inverted puncher with reasonable structural design and the use method thereof.

The invention solves the problems by adopting the following technical scheme: the inverted puncher is characterized in that: including tool bit, interior pole, outer tube seat, handle, lead the smooth round pin, lock card, pressure spring, press cap and handle of a knife, outer tube seat and lead the smooth round pin and all install on the handle, the one end of outer tube is installed on outer tube seat, the tool bit is installed the other end at the outer tube, the one end of handle of a knife is located the handle, be provided with waist type hole on the handle of a knife, lead the smooth round pin and pass waist type hole, interior pole is located the outer tube, the handle of a knife is connected with the one end of interior pole, the other end and the tool bit of interior pole are connected, be provided with on the handle and press the cap recess, press the cap and install on pressing the cap recess, the one end of pressure spring with press the bottom contact of cap recess, the other end and the press cap contact of pressure spring, the lock card is installed on pressing the cap, and lock card and handle of a knife contact. The cutter head is controlled by the cutter handle to realize punching, so that the operation is convenient, the operation time is saved, and the pain of a patient is relieved.

Further, the novel sealing device further comprises a sleeve seat and a sleeve, wherein the sleeve is arranged on the sleeve seat, the sleeve is sleeved on the outer tube, a sealing ring is arranged between the outer tube seat and the sleeve seat, and the sealing ring is an O-shaped sealing ring.

Further, the device also comprises two bottom covers, wherein one bottom cover is arranged on the handle, and the other bottom cover is arranged on the press cap.

Further, the cutter head is rotatably mounted at the other end of the outer tube by a pin shaft. The tool bit is convenient to control to realize punching.

Further, a clamping groove is formed in the tool handle, a clamping block is arranged in the clamping groove, the clamping block divides the clamping groove into a clamping groove inlet and outlet and a punching clamping groove, and the lock clamp is located in the clamping groove inlet and outlet or the punching clamping groove. When punching, the cutter handle can be locked through the locking clamp, so that punching operation is facilitated.

Further, an opening and a boss are arranged on the lock card, the opening is positioned in the in-out clamping groove or the punching clamping groove, and the boss is clamped on the press cap.

Further, the thickness of the locking card is not larger than the width of the in-out card slot or the punching card slot, and the width of the in-out card slot is equal to the width of the punching card slot.

Further, the other end of the inner rod is rotationally connected with the cutter head through a movable pin shaft.

Further, the usage method of the inverted puncher is characterized in that: the using method comprises the following steps: the opening is positioned in the in-out clamping groove, the pressing cap is pressed downwards to enable the opening to be separated from the in-out clamping groove, the inner rod is pulled by the cutter handle, the cutter head rotates 90 degrees, the cutter head is perpendicular to the inner rod, the pressing cap is reset by the pressure spring, the opening is positioned in the punching clamping groove, and punching is carried out by the cutter head rotating 90 degrees; after the punching is finished, the pressing cap is pressed downwards, so that the opening is separated from the punching clamping groove, the cutter head is rotated by 90 degrees by pushing the inner rod through the cutter handle, the cutter head is horizontal to the inner rod, the pressing cap is reset by the pressure spring, and the opening is positioned in the in-out clamping groove.

Compared with the prior art, the invention has the following advantages: the tool bit is locked when the hole is punched by pressing the pressing cap, loosening of the tool bit in the punching process is avoided, the tool bit is rotated by 90 degrees during punching, reverse reaming can be realized by rotating the tool bit, the diameter of an inner hole is larger than that of an outer hole, pain of a patient is reduced, operation is convenient, operation time is saved, and medical accidents are reduced.

Drawings

Fig. 1 is a schematic view showing a cross-sectional front view of a hole-pouring punch according to an embodiment of the present invention.

FIG. 2 is a schematic side sectional view of the inverted hole punch with an opening in the slot according to the embodiment of the present invention.

FIG. 3 is a schematic side sectional view of the inverted hole punch with an opening in the hole punching slot according to the embodiment of the present invention.

Fig. 4 is a schematic view of the structure of a tool shank according to an embodiment of the invention.

Fig. 5 is a schematic structural diagram of a locking card according to an embodiment of the present invention.

In the figure: tool bit 1, inner rod 2, outer tube 3, outer tube seat 4, handle 5, guide slide pin 6, bottom cover 7, lock clip 8, pressure spring 9, press cap 10, handle 11, sealing ring 12, sleeve seat 13, sleeve 14, press cap groove 15, waist-shaped hole 16, clamping groove 17, clamping block 18, in-out clamping groove 19, punching clamping groove 20, opening 21, boss 22, pin shaft 23, and movable pin shaft 24.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.

Examples

Referring to fig. 1 to 5, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present invention, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present invention without affecting the efficacy and achievement of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "a" are used for descriptive purposes only and are not intended to limit the scope of the invention, but are also intended to be within the scope of the invention without any substantial modification to the technical content.

The inverted hole puncher in this embodiment, including tool bit 1, interior pole 2, outer tube 3, outer tube seat 4, handle 5, lead smooth round pin 6, lock card 8, pressure spring 9, press cap 10 and handle of a knife 11, outer tube seat 4 and lead smooth round pin 6 all install on handle 5, the one end of outer tube 3 is installed on outer tube seat 4, the tool bit 1 is rotated through the fixed round pin axle 23 and is installed the other end at outer tube 3, the one end of handle of a knife 11 is located handle 5, be provided with waist type hole 16 on handle of a knife 11, lead smooth round pin 6 and pass waist type hole 16, interior pole 2 is located outer tube 3, handle of a knife 11 is connected with the one end of interior pole 2, the other end of interior pole 2 is rotated through movable round pin axle 24 with tool bit 1 and is connected, be provided with on handle 5 and press cap recess 15, press cap 10 is installed on press cap recess 15, the one end of pressure spring 9 is contacted with the bottom of press cap recess 15, the other end of pressure spring 9 is contacted with press cap 10, lock card 8 is installed on press cap 10, and lock card 8 is contacted with handle of a knife 11.

The embodiment can also comprise two bottom covers 7, a sleeve seat 13 and a sleeve 14, wherein the sleeve 14 is arranged on the sleeve seat 13, the sleeve 14 is sleeved on the outer tube 3, a sealing ring 12 is arranged between the outer tube seat 4 and the sleeve seat 13, the sealing ring 12 is an O-shaped sealing ring, one bottom cover 7 is arranged on the handle 5, and the other bottom cover 7 is arranged on the press cap 10.

The cutter handle 11 in the embodiment is provided with a clamping groove 17, a clamping block 18 is arranged in the clamping groove 17, the clamping block 18 divides the clamping groove 17 into an in-out clamping groove 19 and a punching clamping groove 20, the locking clamp 8 is provided with an opening 21 and a boss 22, the opening 21 is positioned in the in-out clamping groove 19 or the punching clamping groove 20, and the boss 22 is clamped on the press cap 10; the thickness of the locking card 8 is not greater than the width of the in-out card slot 19 or the punching card slot 20, and the width of the in-out card slot 19 is equal to the width of the punching card slot 20.

The usage method of the inverted puncher in this embodiment is as follows: the opening 21 is positioned in the in-out clamping groove 19, the cap 10 is pressed downwards to enable the opening 21 to be separated from the in-out clamping groove 19, the inner rod 2 is pulled through the cutter handle 11, the cutter head 1 is rotated by 90 degrees, the cutter head 1 is perpendicular to the inner rod 2, the cap 10 is reset through the pressure spring 9, the opening 21 is positioned in the punching clamping groove 20, and punching is carried out through the cutter head 1 rotated by 90 degrees; after the punching is finished, the cap 10 is pressed downwards to separate the opening 21 from the punching clamping groove 20, the inner rod 2 is pushed by the cutter handle 11, the cutter head 1 is rotated by 90 degrees, the cutter head 1 and the inner rod 2 are horizontal, the cap 10 is reset by the pressure spring 9, and the opening 21 is positioned in the in-out clamping groove 19.

Specifically, the locking clamp 8 is used for locking the cutter handle 11 by pressing the press cap 10, the inner rod 2 is driven to rotate the cutter head 1 by 90 degrees by pulling or pushing the cutter handle 11, and reverse reaming is realized by rotating the cutter head 1 rotated by 90 degrees.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.

Claims (5)

1. An inverted hole puncher, characterized in that: including tool bit, interior pole, outer tube seat, handle, lead the sliding pin, lock card, pressure spring, press cap and handle of a knife, outer tube seat and lead the sliding pin and all install on the handle, the one end of outer tube is installed on outer tube seat, the other end at the outer tube is installed to the tool bit, the one end of handle of a knife is located the handle, be provided with waist type hole on the handle of a knife, lead the sliding pin and pass waist type hole, interior pole is located the outer tube, the handle of a knife is connected with the one end of interior pole, the other end and the tool bit connection of interior pole, be provided with according to the cap recess on pressing the cap recess, the one end of pressure spring with press cap recess's bottom contact, the other end of pressure spring with press cap contact, the lock card is installed on pressing the cap, and lock card and handle contact, be provided with the draw-in groove on the handle of a knife, be provided with the fixture block in the draw-in groove, the fixture block is cut apart into business turn over draw-in groove and the draw-in groove that punches, the lock card is located business turn over draw-in groove or the draw-in groove that punches, lock card is located business turn over draw-in groove or punch the width is equal to the boss that the business turn over width is located on the draw-in groove or the boss that punches.

2. The inverted hole punch as set forth in claim 1, wherein: still include sleeve pipe seat and sleeve pipe, the sleeve pipe is installed on the sleeve pipe seat, the sleeve pipe suit is on the outer tube, install the sealing washer between outer tube seat and the sleeve pipe seat, the sealing washer is the O type sealing washer.

3. The inverted hole punch as set forth in claim 1, wherein: the novel multifunctional push button is characterized by further comprising two bottom covers, wherein one bottom cover is arranged on the handle, and the other bottom cover is arranged on the push button.

4. The inverted hole punch as set forth in claim 1, wherein: the tool bit is rotatably arranged at the other end of the outer tube through a pin shaft.

5. The inverted hole punch as set forth in claim 1, wherein: the other end of the inner rod is rotationally connected with the cutter head through a movable pin shaft.