TW202123890A - Surgical device and surgical impactor thereof - Google Patents

Abstract

A surgical device includes a surgical instrument and a surgical impactor. The surgical instrument includes a connector whereon a notch is formed. The surgical impactor is configured to be connected to the surgical instrument and includes a shaft, an engaging head, a lever and an operating component. The engaging head is disposed on the shaft and for engaging with the connector. The lever is movably disposed on the shaft and for engaging with the notch. The operating component is movably disposed on the shaft and includes a wedge-shaped portion movably located between the lever and the shaft. The wedge-shaped portion drives the lever to engage with the notch and eliminate gaps and tolerances between the lever and other structures during movement of the wedge-shaped portion to a locked position, so as to provide a shock-absorbable and releasable connection between the surgical instrument and the surgical impactor.

Description

Surgical device and related surgical impactor

The present invention relates to a surgical device, in particular to a surgical device with better operability and reliability and a surgical impactor.

Surgical instruments (such as surgical files) are usually used in connection with the impact handle. Although the surgical instruments can be firmly connected to the impact handle at the beginning, after the impact handle is subjected to repeated forward and backward impact forces during the surgical operation, the surgical instruments may be affected. The parts are accidentally separated from the impact handle due to vibration or wear, which not only delays the operation, but also increases the risk of infection of the surgical site.

Therefore, the purpose of the present invention is to provide a surgical device and a surgical impactor with better operability and reliability to solve the above-mentioned problems.

In order to achieve the above objective, the present invention discloses a surgical device, which includes a surgical instrument and a surgical impactor. The surgical instrument includes a connecting portion with a gap formed on the connecting portion. The surgical impactor is used to connect the surgical instrument. The surgical impactor includes a shaft, a joint head, a rod, and an operating member. The shaft includes a proximal end and a distal end. The joint head is disposed on the distal end of the shaft. And used for engaging with the connecting portion, the rod is movably arranged on the shaft and used for engaging with the notch, the operating piece is movably arranged on the proximal end of the shaft, and the operating piece includes a movable A wedge-shaped part located between the shaft and the rod. When the wedge-shaped part moves to an engaging position, the wedge-shaped part drives the rod to engage with the notch, and when the wedge-shaped part is located in the card In the closed position, the wedge-shaped portion is engaged by the shaft and the rod to restrict the rod from moving relative to the shaft. In addition, the present invention also discloses a related surgical impactor.

In summary, in the present invention, in the process of moving the wedge-shaped part to the engagement position, the wedge-shaped part can eliminate the gap and tolerances between the rod and other structures (such as rods and gaps or rods and shafts). The member can not only engage with the notch but also absorb the impact, so as to prevent the rod and the notch from being damaged or disengaged due to the impact, thereby ensuring that the surgical instrument and the surgical impactor can be firmly connected. Therefore, compared with the prior art, the present invention has better operability and reliability.

As shown in Figures 1 to 4, a surgical device 1 includes a surgical impactor 10 and a surgical instrument 11. In this embodiment, the surgical instrument 11 may be a surgical file, but the present invention is not limited to this For example, in another embodiment, the surgical instrument may also have different sizes, shapes, and include male or female connecting parts. The surgical instrument 11 includes a connecting portion 110, and a notch 111 is formed on the connecting portion 110. The surgical impactor 10 is used to connect the surgical instrument 11 and includes a shaft 100, a joint head 101, a rod 102, and an operating member 103 , An elastic member 104 and an impact plate 105. The shaft 100 includes a proximal end 100A and a distal end 100B. The impact plate 105 is disposed on the proximal end 100A of the shaft 100 and is used to receive external impacts, namely the impact plate 105 allows the user to apply force to the surgical device 1. The engaging head 101 is arranged at the distal end 100B of the shaft 100 and is used to engage with the connecting portion 110, the rod 102 is movably arranged at the distal end 100B of the shaft 100 and is used to engage with the notch 111, and the operating member 103 It is movably arranged on the proximal portion 100A of the shaft 100, and the operating portion 103 can be operated to allow or restrict the lever 102 to disengage from the notch 111. The elastic member 104 is arranged between the operating member 103 and the shaft member 100, so that the operating member 103 has the potential to restrict the rod 102 from being disengaged from the notch 111.

Specifically, the shaft 100 may be a straight handle structure, the operating member 103 and the rod 102 are slidably arranged on the shaft 100, and the operating member 103 includes a movable member located between the rod 102 and the shaft 100 and used With the wedge portion 103A engaged with the rod 102 and the shaft 10, the rod 102 includes a first engaging portion 102A and a second engaging portion 102B. The first engaging portion 102A is used to abut the wedge portion 103A, The second engaging portion 102B is opposite to the first engaging portion 102A and is used for engaging with the notch 111. When the operating member 103 is operated, the wedge-shaped portion 103A can be in the engaging position shown in Figure 3 and Figure 4 Move between the release positions shown. When the wedge portion 103A moves toward the engagement position, the wedge portion 103A abuts the first engagement portion 102A to drive the rod 102 to move toward the distal end 100B of the shaft 100, thereby causing the first The two engaging parts 102B are engaged with the notch 111. Furthermore, when the wedge portion 103A is located at the engaging position, the wedge portion 103A is engaged by the rod 102 and the shaft 100 to restrict the rod 102 from moving relative to the shaft 100.

It is worth noting that when the wedge portion 103A is in the engagement position, the elastic member 104 is elastically deformed to provide continuous thrust for the operating member 103 to ensure the engagement of the wedge portion 103A, the rod 102 and the shaft 100, thereby ensuring The second engaging portion 102B of the rod 102 engages with the notch 111. Therefore, the present invention can ensure the connection between the surgical instrument 11 and the surgical impactor 10 when the impact plate 105 receives an external impact.

Preferably, in this embodiment, the rod 102 may further include an abutting portion 102C provided between the first engaging portion 102A and the second engaging portion 102B. When the wedge-shaped portion 103A is in the engaging position , The abutting portion 102C abuts against a protrusion 100C of the shaft 100, so as to achieve the purpose of positioning the wedge portion 103 at the engaging position.

On the other hand, when the operating member 103 is operated to drive the wedge portion 103A to move from the engagement position shown in Figure 3 to the release position shown in Figure 4, the wedge portion 103A, the rod 102 and the shaft 100 The rod 102 is no longer engaged with each other, so that the rod 102 can move toward the proximal end portion 100A of the shaft 100, so that the second engaging portion 102B is disengaged from the notch 111. When the rod 102 moves toward the proximal end 100A of the shaft 100 to disengage the second engaging portion 102B from the notch 111, the surgical instrument 11 can be detached from the surgical impactor 10.

Preferably, in this embodiment, in order to assist the disassembly of the surgical instrument 11, the operating member 103 may further include a driving portion 103B, and the rod member 102 may further include a driven portion 102D adjacent to the first engaging portion 102A to drive After the wedge-shaped portion 103A leaves the engaging position, the portion 103B abuts against the driven portion 102D, thereby driving the second engaging portion 102B to disengage from the notch 111. Furthermore, in this embodiment, the driving portion 103B may be a snap hook with an elastic arm, and the driven portion 102D may be a snap protrusion, and the driving portion 103B may be connected to the driven portion of the rod 102 The 102D contacts and generates elasticity, so as to prevent the driving portion 103B from interfering with the rod 102 when the wedge portion 103A moves toward the engaging position, but the present invention is not limited to this.

In addition, preferably, in this embodiment, the rod 102 can be a long rod structure, so that the rod 102 can be elastically bent under force, so as to avoid structural damage when receiving the impact from the impact plate 105 . For example, when a mallet is used to remove the surgical instrument 11 stuck on the patient, the rod 102 can be elastically bent under force, so as to prevent the connecting portion 110 from cracking or being damaged.

As shown in Figures 5 to 8, different from the surgical device 1 of the first embodiment, a surgical device 1'of this embodiment includes a surgical impactor 10' and a surgical instrument 11, and the surgical impactor 10' It includes a shaft 100', a joint head 101', a rod 102', an operating member 103', an elastic member 104' and an impact plate 105'.

The shaft 100' can be a curved structure and includes a proximal end 100A' and a distal end 100B'. The impact plate 105' is disposed at the proximal end 100A' of the shaft 100' and is used to receive external impact. 105' allows the user to apply force to the surgical device 1', the engaging head 101' is arranged on the distal end 100B' of the shaft 100' and is used to engage with the connecting portion 110 of the surgical instrument 11, and the operating member 103' is attached to It is slidably arranged on the shaft 100' and includes a wedge portion 103A' that can be moved between the engagement position shown in FIG. 7 and the release as shown in FIG. 8, and the elastic member 104 'Set between the operating member 103' and the shaft member 100' and used to make the operating member 103' have the potential energy to restrict the rod 012' from disengaging from the notch 111 on the connecting portion 110. The rod 102' includes a rod 1021' and a hook 1022'. The rod 1021' and the hook 1022' are pivotally disposed on the shaft 100', and the rod 1021' includes a first engagement Area 102A' and a second engagement area 102B' opposite to the first engagement area 102A', the hook body 1022' includes a third engagement area 102C' and a fourth engagement area 102C' relative to the third engagement area 102C' The engagement area 102D', the first engagement area 102A' is used to abut the wedge portion 103A', the second engagement area 102B' is used to abut the third engagement area 102C', and the fourth engagement area 102D' is used Snap with the gap 111. When the lever body 1021' pivots in a first pivoting direction R1 relative to the shaft 100', the hook body 1022' is driven by the lever body 1021' to move relative to the shaft 100' in a direction opposite to the first pivoting direction R1. A second pivot direction R2 pivots.

When the operating member 103' is operated to move the wedge portion 103A' toward the engagement position as shown in FIG. 7, the rod body 1021' is moved along by the abutment between the first engagement area 102A' and the wedge portion 103A' The first pivoting direction R1 pivots, so that the abutment between the second engaging region 102B' and the third engaging region 102C' drives the hook 1022' to pivot in the second pivoting direction R2, so that the fourth card The joint area 102D' is engaged with the notch 111. When the wedge-shaped portion 103A' is at the engaging position, the wedge-shaped portion 103A' is engaged by the rod 1021' and the shaft 100' to restrict the rod 1021' from pivoting relative to the shaft 100'.

It is worth noting that when the wedge portion 103A' is in the engagement position, the elastic member 104' is elastically deformed to provide continuous thrust for the operating member 103' to ensure the wedge portion 103A', the rod body 1021' and the shaft 100' , So as to ensure the engagement of the fourth engagement area 102D' with the notch 111. Therefore, the present invention can ensure the connection between the surgical instrument 11 and the surgical impactor 10' when the impact plate 105' receives an external impact.

On the other hand, when the operating member 103' is operated to drive the wedge portion 103A' to move from the engagement position shown in FIG. 7 to the release position shown in FIG. 8, the wedge portion 103A' and the rod body 1021' And the shaft 100' no longer engage with each other, so that the rod body 1021' can pivot relative to the shaft 100' in the second pivoting direction R2, thereby allowing the fourth engaging area 102D' to move along the second pivoting direction R2 through the hook body 1022' A pivoting direction R1 is pivoted to disengage from the notch 111. For example, the hook body 1022' can be pivoted along the first pivoting direction R1 by providing an elastic element (such as a torsion spring) or directly manually to disengage the fourth engaging region 102D from the notch 111. When the hook body 1022' pivots along the second pivoting direction R2 to drive the fourth engagement area 102D to disengage from the notch 111, the surgical instrument 11 can be detached from the surgical impactor 10'.

In addition, in this embodiment, in order to avoid structural damage caused by the impact transmitted from the impact plate 105', the rod 1021' may preferably be a long rod structure, so that the rod 1021' can be elastically bent under force.

In summary, in the present invention, in the process of moving the wedge-shaped part to the engagement position, the wedge-shaped part can eliminate the gap and tolerances between the rod and other structures (such as rods and gaps or rods and shafts). The member can not only engage with the notch but also absorb the impact, so as to prevent the rod and the notch from being damaged or disengaged due to the impact, thereby ensuring that the surgical instrument and the surgical impactor can be firmly connected. Therefore, compared with the prior art, the present invention has better operability and reliability. The foregoing descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

1,1’: Surgical device 10,10’: Surgical impactor 100,100’: Shaft 100A, 100A’: Near end 100B, 100B’: distal part 100C: raised 101,101’: Joint head 102,102’: Rod 102A: The first engaging part 102B: The second engaging part 102C: Arrival Department 102D: driven part 1021’: Rod body 1022’: Hook body 102A’: The first engagement area 102B’: The second engagement area 102C’: The third engagement area 102D’: The fourth engagement area 103,103’: Operator 103A, 103A’: Wedge 103B: Drive section 104,104’: Elastic 105,105’: Impact plate 11: Surgical instruments 110: connecting part 111: Gap R1: The first pivot direction R2: second pivot direction

Figure 1 is a schematic diagram of the appearance of the surgical device according to the first embodiment of the present invention. Figure 2 is an exploded view of the components of the surgical device according to the first embodiment of the present invention. Figures 3 and 4 are schematic diagrams of the surgical device in different states according to the first embodiment of the present invention. Figure 5 is a schematic diagram of the appearance of the surgical device according to the second embodiment of the present invention. Figure 6 is an exploded view of the components of the surgical device according to the second embodiment of the present invention. Figures 7 and 8 are schematic diagrams of the surgical device in different states according to the second embodiment of the present invention.

1: Surgical device

10: Surgical impactor

100: Shaft

100A: Proximal

100B: distal part

100C: raised

102: Rod

102A: The first engaging part

102B: The second engaging part

102C: Arrival Department

102D: driven part

103: operating parts

103A: Wedge

103B: Drive section

104: Elastic

105: Impact board

11: Surgical instruments

110: connecting part

Claims (18)

A surgical device, which includes: A surgical instrument, which includes a connecting portion, and a notch is formed on the connecting portion; and A surgical impactor, which is used to connect the surgical instrument, and the surgical impactor includes: A shaft, which includes a proximal end and a distal end; A joint head, which is arranged on the distal end of the shaft and used for engaging with the connecting part; A rod which is movably arranged on the shaft and used for engaging with the notch; and An operating member movably arranged at the proximal end of the shaft member, the operating member includes a wedge-shaped portion movably located between the shaft member and the rod member, and a process in which the wedge-shaped portion moves to an engaging position Wherein, the wedge-shaped part drives the rod to engage with the notch, and when the wedge-shaped part is in the engaging position, the wedge-shaped part is engaged by the shaft and the rod to restrict the rod relative to the shaft. move. The surgical device according to claim 1, wherein the rod includes: A first engaging portion for abutting against the wedge-shaped portion; and A second engaging portion opposite to the first engaging portion and used for engaging with the notch. The surgical device according to claim 2, wherein the operating member further includes a driving portion, the rod member further includes a driven portion adjacent to the first engaging portion, and the driving portion leaves the card at the wedge-shaped portion After the closed position, the driven part is abutted to drive the second engaging part to disengage from the notch. The surgical device according to claim 2, wherein the rod further includes an abutting portion provided between the first engaging portion and the second engaging portion, when the wedge-shaped portion is located at the engaging position , The abutting portion abuts against a protrusion of the shaft member. The surgical device according to claim 2, wherein the operating member and the rod member are slidably arranged on the shaft member. The surgical device according to claim 1, wherein the rod includes a rod body and a hook body, the rod body includes a first engaging area and a second engaging area opposite to the first engaging area, The hook body includes a third engaging area and a fourth engaging area opposite to the third engaging area. The first engaging area is used to abut the wedge portion, and the second engaging area is used to abut The third engaging area is connected, and the fourth engaging area is used for engaging with the notch. The surgical device according to claim 6, wherein the operating member is slidably disposed on the shaft member, the rod body and the hook system are disposed on the shaft member in a pivotable manner, and when the When the rod body pivots in a first pivot direction relative to the shaft, the hook is driven by the rod body to pivot relative to the shaft in a second pivot direction opposite to the first pivot direction . The surgical device according to claim 1, wherein the surgical impactor further includes an elastic member arranged between the operating member and the rod member and used for enabling the wedge-shaped portion to have potential energy to move toward the engaging position. The surgical device according to claim 1, wherein the surgical impactor further includes an impact plate provided at the proximal end of the shaft. A surgical impactor is used to connect the surgical instrument, and the surgical impactor includes: A shaft, which includes a proximal end and a distal end; A joint head arranged on the distal end of the shaft and used for engaging with a connecting part of the surgical instrument; A rod which is movably arranged on the shaft and used for engaging with a notch on the connecting part; and An operating member movably arranged at the proximal end of the shaft member, the operating member includes a wedge-shaped portion movably located between the shaft member and the rod member, and a process in which the wedge-shaped portion moves to an engaging position Wherein, the wedge-shaped part drives the rod to engage with the notch, and when the wedge-shaped part is in the engaging position, the wedge-shaped part is engaged by the shaft and the rod to restrict the rod relative to the shaft. move. The surgical impactor according to claim 10, wherein the rod includes: A first engaging portion for abutting against the wedge-shaped portion; and A second engaging portion opposite to the first engaging portion and used for engaging with the notch. The surgical impactor according to claim 11, wherein the operating member further includes a driving portion, the rod member further includes a driven portion adjacent to the first engaging portion, and the driving portion leaves the wedge-shaped portion After the engaging position, the driven part is abutted to drive the second engaging part to disengage from the notch. The surgical impactor according to claim 11, wherein the rod further includes an abutting portion provided between the first engaging portion and the second engaging portion, when the wedge-shaped portion is located at the engaging position At this time, the abutting portion abuts against a protrusion of the shaft member. The surgical impactor according to claim 11, wherein the operating member and the rod member are slidably arranged on the shaft member. The surgical impactor according to claim 10, wherein the rod includes a rod body and a hook body, and the rod body includes a first engaging region and a second engaging region opposite to the first engaging region , The hook body includes a third engaging area and a fourth engaging area opposite to the third engaging area, the first engaging area is used for abutting the wedge portion, and the second engaging area is used for Abut the third engaging area, and the fourth engaging area is used for engaging with the notch. The surgical impactor according to claim 15, wherein the operating member is slidably provided on the shaft member, the rod body and the hook system are pivotally provided on the shaft member, and when When the rod body pivots in a first pivot direction relative to the shaft, the hook is driven by the rod body to pivot relative to the shaft in a second pivot direction opposite to the first pivot direction Turn. The surgical impactor according to claim 10, which further includes an elastic member disposed between the operating member and the rod member and used to make the wedge-shaped portion have the potential to move toward the engaging position. The surgical impactor according to claim 10, which further includes an impact plate provided at the proximal end of the shaft member.

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