JPS6323061Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Technical Field) The present invention relates to a surgical suturing device that can be operated with one hand to intersect a needle thread and a shuttle thread in a lockstitch style to successively suture a sutured part. In particular, the present invention relates to a structure of a surgical suturing device which is composed of several independent components and which allows these components to be connected easily and reliably during use.

(Purpose) The purpose of the present invention is to provide a surgical suturing device that includes a suturing device main body, a driving section that drives the suturing device main body, a signal line that transmits a signal from an external operation to the driving section, and a signal line that transmits a signal from an external operation to the driving section. A flexible cable that transmits the output of the actuated drive section to the suturing instrument body, and a connecting body comprising independent components, and a signal disconnecting member that generates the signal is placed on the side of the connecting body. and a control member for controlling the signal disconnection member is installed in the suturing device main body,
When the constituent parts are connected in a state of use, these members are arranged to face each other in a predetermined positional relationship in which they can be operated, and furthermore, in the above structure, a control member is disposed on the suturing instrument body side and is controlled via the operating member. incorporated into an externally operable actuation member, the control member comprising:
The suturing device is constructed so that it can be operated by the operating member after the operating member is moved substantially perpendicular to the operating direction of the operating member, and firstly, the suturing instrument main body does not include wiring devices such as a switch. , cleaning and sterilization of the suturing device body can be easily performed.

To connect the second suturing device main body and the connecting section, simply align the trust generating section on the connecting section side with the guide section of the suturing device main body and connect the flexible cable to the suturing device main body side. The purpose is to enable quick connection and disconnection, and to eliminate problems such as poor contact that occur when connecting conductive wires and the like.

Thirdly, the signal cutting/cutting member and its control member are incorporated into separate components to prevent operation of the suturing device due to erroneous operation during connection and removal operations, thereby increasing safety.

Fourthly, the control member is operated by a two-step operation by the operating member, thereby preventing the operation of the suturing device due to erroneous operation and increasing safety.

(Configuration) The configuration of the present invention is such that a surgical suturing device is operated by a suturing device main body, a driving section that drives the suturing device main body, a signal line that transmits a signal from an external operation to the driving section, and the signal. A flexible cable that transmits the output of the drive unit to the suturing device main body and a connecting body are configured as independent components, and a signal disconnection member that generates the signal is built into the connecting body, and the signal A control member for controlling the cutting and cutting member is incorporated into the suturing device main body side, and is configured such that these members are opposed to each other in a fixed positional relationship in which they can operate when the component parts are connected in a state of use. Further, in the above configuration, the control member is disposed on the suturing device main body side and is incorporated into the operating member that can be externally operated via the operating member,
The control member is characterized in that it can be operated by the operating member after the operating member is moved substantially perpendicular to the direction of operation of the operating member.

(Example) The present invention will be explained below with reference to an example. Figure 1,
In Fig. 2, 1 is the suture device body (hereinafter referred to as the main body)
One end of the needle bar 2 is fixed to the needle bar support 3 with a screw 4, and a thread guide piece 5 is attached to the other end, and a curved needle 6 is detachably attached with a screw 2a.

The curved needle 6 has a needle hole 6a at the tip as shown in FIG.
is formed, and a needle hole 6a is formed from the middle of the curved outer periphery.
A long groove 6b for thread guide is formed throughout.

A thread winding member 10 for winding the suture thread 9 is detachably attached to the thread stand shaft 8 fixed to the machine frame 7 of the main body 1, and the suture thread 9 pulled out from the thread winding member is attached to the machine frame 7. Tension is applied by the disposed thread tension device 11, the thread is pulled out from the thread guide groove 3a of the needle bar support 3, and the thread guide piece 5 and the long groove 6b of the curved needle 6 are pulled out.
The thread is guided through the needle hole 6a, and then connected to a thread hole 18a of a shuttle 18, which will be described later.

11 is a shuttle holding member; the shuttle holding part 1
2 and a rod portion 13, the rod portion is guided by a guide tube 14 fixed to the machine frame 7 and a needle bar support 3 fixed to the machine frame, and holds the shuttle in a state where rotation is restricted. It is capable of reciprocating sliding movement together with the portion 12.

The shuttle holding part 12 includes a shuttle holder 15
and a shuttle claw 17 attached to the shuttle holder with a screw 16 or the like, and the shuttle 18 is held between these so as not to fall off.

An operating member 19 is also disposed on the thread stand shaft 8 so as to be rotatable with respect to the thread stand shaft. 8 in the clockwise direction in FIG. 1, the locking portion 19a is biased to the state shown in solid line in FIG.

At one end 19b of the actuating member 19, a reed switch 21 (eighth
A permanent magnet 22, which is an embodiment of a control member for controlling the
The cover 23 protrudes from the cover 23, and the operating member 2 is provided at the other end.
4 is installed.

The operating member 24 is movable relative to the other end 19c of the operating member 19, and as shown in FIG.
The spring 25 disposed in the guide groove 19d of 9 biases the pin 26 into the operating member 24 to the right in the figure through the pin 26 driven into the operating member 24.
The locking portion 27a of the member 27 fixed at 6 is brought into contact with the locking surface 19e of the actuating member 19.

In this state, even if the operating member 24 is pressed in the direction in which the operating member 19 operates, the operating member 24 will not move to the needle bar support 3.
However, after pushing the operating member 24 against the biasing force of the spring 25 to the left in FIG. 1, which is approximately perpendicular to the operating direction of the operating member 19, the operating member The actuating member 19 can now be operated, and when the operating member 24 is pushed into the main body in this state, the actuating member 1
9 can be rotated.

Next, the connection body 30 will be explained mainly with reference to FIGS. 6 to 8. A flexible cable 32 that transmits the drive output of the drive unit 31 to the main body 1
is guided to a flexible guide tube 34 which is connected to the connecting member 33 by caulking or the like at the end thereof, and is fixed to the rear part 35a of the connecting tool 35 at the distal end thereof.

The connecting tool 35 has a rear part 35a and a tip part 35c which is rotatable with respect to the rear part and has a male threaded part 35b.
The male threaded portion 35b is formed on the rod portion 13 of the shuttle holding member 11, and the female threaded portion 13a is formed on the rod portion 13 of the shuttle holding member 11.
It is designed to be connected to the rod portion 13 by being screwed into the rod portion 13.

The connecting tool 35 is configured to be reciprocated by the drive section 31 within the inner cylindrical section 33a of the connecting member 33 and the guide tube 14 of the rod section 13 while connected to the rod section 13.

An outer ring 38 is attached to the connecting member 33, which is biased to the left in FIG. 8 by a spring 36 and positioned by a retaining ring 37.
The connecting member 33 connects the spheres 39 that are movably guided in the radial direction to the plurality of grooves of the connecting member 33 with the projections 38a on the inner surface.
When the connecting body 30 and the main body 1 are connected, these spheres 39 are engaged with the groove 14a of the guide tube 14 as shown in FIG. It will be done.

In the signal generating section 40, a lower member 41 is connected to a reed switch 21, which is an embodiment of a signal disconnection member, and a signal line 4 is connected to the lower member 41.
2 is buried in a connected state, and the signal generating section 40
The signal line 42 pulled out from the drive unit 3 when in use
It is now connected to 1.

The signal generating section 40 is connected to the mounting section 41 of the lower member 41.
a and a mounting portion 44a of an upper member 44 fixed to the lower member with screws 43, and the outer peripheral portion 33d of the connecting member 33 is clamped and attached to the connecting member.

7a, the machine frame 7 is a bent guide piece, the lower surface of which guides the signal generating part 40 when the main body 1 and the connecting body 30 are connected together with a guide part 46 formed across the covers 23 and 45; do.

The signal generating section 40 is connected to the operating member 2 as described above.
When the actuating member 19 is rotated to the state indicated by the two-dot chain line in FIG. The shuttle holding member 11 is configured to reciprocate by a fixed stroke via a flexible cable 32.

(Operation) The operation of the present invention will be explained below. To perform suturing, the suture thread 9 pulled out from the main body 1 and passed through the needle hole 6a is pulled out from the needle hole 6a, and the shuttle 18
Connect it to the thread hole 18a and use it as a shuttle thread 50, hold the main body 1 with one hand, rotate your wrist, and insert the curved needle 6 from the insertion hole 51a side of the piece 51 to be sutured, as shown in FIG. The needle thread portion 9a stretched linearly between the needle hole 6a and the piercing hole 51b is transformed into a crescent-shaped needle thread loop 9L together with the needle thread portion 9b guided by the long groove 6b.

Next, operate the operating member 24 to move the operating member 19 to the first position.
When the control unit 22 is rotated to the state indicated by the two-dot chain line in the figure,
As a result, the signal connection member 21 generates a signal, the drive unit 31 is operated via the signal line 42, and the shuttle holding member 11 is operated via the flexible cable 32.
is reciprocated by a certain stroke along with the shuttle holding part 12.

During this reciprocating movement, the needle thread loop 9L is passed between the shuttle pawl 17 and the upper surface of the shuttle 18 on the outward path of the shuttle holder 12's reciprocating movement, reaches the rear end of the shuttle 18, and reaches the shuttle holder 12. On the return trip, shuttle holder 15 and shuttle 1
8 and the needle thread loop 9L.
Since the needle thread 9 and the shuttle thread 50 are intersected in a lockstitch manner, the curved needle 6 is pulled out from the insertion hole 51a side, the needle thread 9 and the shuttle thread 50 are tightened, and then the piece to be sewn 51 is inserted. By moving the point along the suture line and repeating the same operation, the pieces 51 to be sutured can be sutured continuously.

A permanent magnet 22 as a control member is incorporated in the main body 1, but since a wiring device such as a switch is not incorporated, the suture device main body 1 cannot be used when it is not in use and is not connected to the connecting body 30. Can be cleaned and sterilized separately.

To connect the main body 1 and the connecting body 30, after screwing the male threaded part 35b of the connecting tool 35 into the female threaded part 13a of the rod part 13 while rotating the tip part 35c, the outer ring 38 is attached to the connecting member. 33 against the biasing force of the spring 36 to the right in FIG.
6 and the lower surface of the guide piece 7a, the connecting member 33 and the outer periphery of the guide tube 14 are fitted together, and the outer circumferential ring 3
8, the outer circumferential ring becomes the state shown in FIG. 7 due to the biasing force of the spring 36, and the sphere 39 pushed out by the inner protrusion 38a is engaged with the groove 14a, and the main body 1 and the connecting body 30 are brought together. The connection is completed, and the signal connection/disconnection member 21 is opposed to the control member 22 in a fixed positional relationship.

As mentioned above, the connection between the main body 1 and the connecting body 30 is as follows.
After connecting the connecting tool 35 to the rod portion 13, the outer peripheral ring 3
8 to the right in FIG.
By simply engaging the connecting member 33 with the guide tube 14 while guiding it along the lower surface of the guide piece 7a, the connection can be operated, allowing quick connection and disconnection. Problems such as poor contact can be solved.

In the connection work and the reverse removal work of the main body 1 and the connecting body 30 described above, the signal disconnection member 21 is incorporated in a component separate from the control member 22, and the signal disconnection member 21 does not operate independently. Therefore, the operation of the suturing device due to malfunction can be prevented and safety can be improved. To operate the actuating member 19 during use of the suturing device, the operating member 24 must be moved against the biasing force of the spring 25.
After pushing the operating member 24 to the left in FIG. It can prevent activation and improve safety.

(Effects) As described above, according to the present invention, a surgical suturing device includes a suturing device main body, a driving section that drives the suturing device main body, a signal line that transmits a signal from an external operation to the driving section, and a signal line that transmits a signal from an external operation to the driving section. and a flexible cable that transmits the output of the drive unit operated by the suturing instrument body to the suturing instrument body. and a control member for controlling the signal cutting/disconnecting member is incorporated into the suturing device main body side,
When the constituent parts are connected in a state of use, these members are arranged to face each other in a predetermined positional relationship in which they can be operated, and furthermore, in the above structure, a control member is disposed on the suturing instrument body side and is controlled via the operating member. incorporated into an externally operable actuation member, the control member comprising:
The operation member is configured to be able to be operated after the operation member is moved substantially perpendicular to the operating direction of the operation member, and firstly, the suturing instrument main body does not include a wiring device such as a switch. Therefore, operations such as cleaning and sterilization of the suturing instrument body can be easily performed.

When connecting the second suturing device main body and the connecting section, operation is possible by simply aligning the signal generating section on the connecting section side with the guide section of the suturing device main body and connecting the flexible cable to the suturing device main body side. Since the wires are connected to each other, it is possible to quickly connect and disconnect them, and it is possible to eliminate problems such as poor contact that occur when connecting conductive wires and the like.

Thirdly, since the signal cutting/disconnecting member and its control member are incorporated into separate components, it is possible to prevent the suturing device from operating due to an erroneous operation during connection work and removal work, thereby increasing safety.

Fourthly, since the control member is operated by a two-step operation using the operating member, many remarkable effects can be obtained, such as preventing the operation of the suturing device due to erroneous operation and increasing safety.

[Brief explanation of drawings]

The drawings relate to an embodiment of the present invention, and FIG. 1 is a plan sectional view showing the main parts of the suturing device body, FIG. 2 is a longitudinal sectional view taken in the direction of arrow A in FIG. 1, and FIG. Perspective view,
FIG. 4 is a sectional view showing the relationship between the operating member and the operating member, FIG. 5 is a view taken in the direction of arrow B in FIG.
Fig. 7 is a perspective view showing the main part of the connecting body and a part of the suturing device main body, Fig. 8 is a view showing the state of the signal cutting part before being molded with the upper member removed from the signal generating part, and Fig. 9 FIG. 2 is a perspective view illustrating a suturing operation. 1 is a suturing device main body, 19 is an operating member, 21 is a signal disconnection member, 22 is a control member, 24 is an operating member, 3
0 is a connection body, 31 is a drive unit, 32 is a flexible cable, and 42 is a signal line.

Claims (1)

[Claims for Utility Model Registration] 1. A suturing device main body, a driving section that drives the suturing device main body, a signal line that transmits a signal from an external operation to the driving section, and an output of a driving object that is actuated by the signal. A surgical suturing device comprising a connecting body having a flexible cable for transmitting the signal to the suturing device main body, and a connecting body having a flexible cable for transmitting the signal to the suturing device main body as independent components, wherein a signal cutting/disconnecting member that generates the signal is built into the connecting body side, and the The present invention is characterized in that a control member for controlling the signal disconnection member is incorporated into the suturing device main body side, and is configured such that when the component parts are connected in use, these members are opposed to each other in a fixed positional relationship in which they can be operated. Structure of surgical suturing device. 2. The control member is disposed on the suturing device main body side and is incorporated into an actuation member that can be externally operated via the operation member, and the control member moves the operation member substantially perpendicular to the operating direction of the actuation member. The structure of the surgical suturing device according to claim 1, wherein the surgical suturing device can be operated later by the operating member.