CN210408542U

CN210408542U - Non-destructive clamp for laparoscope

Info

Publication number: CN210408542U
Application number: CN201920823043.8U
Authority: CN
Inventors: 李学松; 丁光璞; 程嗣达; 陈翔; 张雷; 周利群
Original assignee: Peking University First Hospital
Current assignee: Peking University First Hospital
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-28
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a pair of non-destructive laparoscopic forceps, which is characterized by comprising a forceps part and a forceps body part, wherein the forceps body part is connected with the forceps part and controls the opening and closing of an upper forceps head and a lower forceps head of the forceps part; debakey teeth matched with each other are arranged on a clamping surface between the upper tong head and the lower tong head. The utility model discloses can reduce the damage to the tissue by the at utmost, can be used for holding blood vessel and ureter additional.

Description

Non-destructive clamp for laparoscope

Technical Field

The utility model relates to a there is not nipper of wound, in particular to peritoneoscope not damaged pincers belongs to peritoneoscope operation apparatus field.

Background

In the traditional open operation, the vascular operation uses the non-invasive forceps, the gullet at the head end of the non-invasive forceps is a Debakey tooth, and the concave-convex gullet design greatly reduces the damage to tissues, so the non-invasive forceps can hold fine tissues such as blood vessels.

At present, in laparoscopic surgery, the same atraumatic forceps are available, and the atraumatic forceps with fine teeth are usually adopted; although the atraumatic forceps with the fine teeth can clamp tissues, the design of the fine teeth has larger clamping force, so that the tissue is more damaged compared with Debakey teeth.

Disclosure of Invention

In view of the above problems, the present invention provides a non-destructive laparoscopic forceps, which overcomes the drawbacks of non-destructive forceps with serrations in the prior art, and greatly reduces the tissue damage in laparoscopic surgery.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the non-destructive laparoscopic forceps is characterized by comprising a forceps part and a forceps body part which is connected with the forceps part and controls the opening and closing of an upper forceps head and a lower forceps head of the forceps part; debakey teeth matched with each other are arranged on a clamping surface between the upper tong head and the lower tong head.

Preferably, debarkey teeth and thread clamping teeth are formed on a clamping surface between the upper tong head and the lower tong head, the debarkey teeth and the thread clamping teeth are adjacently distributed on the clamping surface, and the debarkey teeth are distributed on the head end sides close to the upper tong head and the lower tong head.

Preferably, the Debakey teeth and the thread clamping teeth are distributed in a ratio of 1:1 or a ratio of 1:2 in the length direction of the clamping surface.

Preferably, the wire clamping teeth adopt thin teeth or rhombic teeth.

Preferably, the caliper body portion includes:

the clamp rod is a hollow rod-shaped mechanism;

the front end of the forceps inner core assembly extends out of one end of the forceps rod and is movably connected with the forceps part; the rear end of the forceps inner core assembly extends out of the other end of the forceps rod;

the forceps handle comprises a movable handle and a fixed handle, the other end of the forceps rod is clamped on the fixed handle, the rear end of the forceps inner core assembly is connected with the movable handle on the forceps handle, and the movable handle rotates relative to the fixed handle to drive the forceps inner core assembly to reciprocate in the forceps rod to control the opening and closing of the upper forceps head and the lower forceps head.

Preferably, the forceps core assembly comprises:

the pull rod is movably inserted into the clamp rod, and the rear end of the pull rod extends out of the other end of the clamp rod and is connected with the movable handle; a sliding groove is formed in the front end of the pull rod;

one end of the connecting rod is arranged in the chute in a sliding way,

the clamping part is movably connected to the clamping head seat, and the other end of the connecting rod penetrates through the clamping head seat to be movably connected with the upper clamp head and the lower clamp head of the clamping part.

Preferably, the pliers further comprises a steering adjusting button, the steering adjusting button is arranged outside the pliers rod and the fixed handle, and the steering adjusting button is used for adjusting the pliers inner core assembly to rotate so as to drive the pliers portion to rotate.

Preferably, a cleaning opening communicated with the inner cavity of the clamp rod is formed in the clamp rod, and a cover cap is arranged on the cleaning opening.

Preferably, an electrode connecting seat is arranged on the forceps handle; the forceps handle is provided with a device for unlocking the connection between the forceps handle and the forceps rod and forceps inner core assembly; the forceps handle is a plastic handle.

Preferably, the upper tong head and the lower tong head are straight tong heads or bent tong heads.

The utility model adopts the above technical scheme, it has following advantage:

1. the utility model provides a pair of peritoneoscope not damaged pincers goes up and is provided with the debarkey tooth on the clamping face of mutually supporting between binding clip and the lower binding clip, can reduce the damage to the tissue by the at utmost, can be used for holding blood vessel and ureter additional.

2. According to the non-destructive clamp for the laparoscope, Debakey teeth and wire clamping teeth are formed on the mutually matched clamping surfaces between the upper clamp head and the lower clamp head, the Debakey teeth and the wire clamping teeth are adjacently distributed, and the Debakey teeth are distributed close to the head end side of the upper clamp head or the lower clamp head; the front section of the clamp part is Debakey teeth, and because the tooth form is smooth and fine, the clamped tissue is slightly damaged when being extruded, and the Debakey teeth can be used for clamping tissues such as ureters, blood vessels, intestinal canals and the like; the back section of the clamp part is provided with a thread clamping tooth, has larger clamping force and can be used for clamping a suture. The wire clamping teeth can adopt thin teeth or rhombic teeth, so that different clamping force requirements can be met; in laparoscopic surgery, the utility model can be used for clamping ureter, blood vessel and intestinal canal and assisting the suture operation.

3. The utility model provides a pair of peritoneoscope not damaged pincers, clamp portion adopt straight binding clip or curved binding clip, and the type that the peritoneoscope that is fit for the operation does not have the wound pincers can be selected to different operation purposes.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a partial enlarged schematic view at C of FIG. 1;

fig. 3 is a schematic structural view of a forceps inner core assembly according to embodiment 1 of the present invention;

fig. 4 is a schematic view of a partial structure of a caliper inner core assembly according to embodiment 1 of the present invention;

fig. 5 is a schematic front view of an upper binding clip of the clamping portion in embodiment 1 of the present invention;

FIG. 6 is a schematic top view of the structure of FIG. 5;

FIG. 7 is a schematic view of the A-direction structure of FIG. 5;

fig. 8 is a schematic front view of a lower binding clip of the clamping portion in embodiment 1 of the present invention;

FIG. 9 is a schematic bottom view of the structure of FIG. 8;

FIG. 10 is a schematic view of the B-direction structure of FIG. 8;

fig. 11 is another enlarged partial schematic structural view in embodiment 1 of the present invention;

fig. 12 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 13 is a front view schematically illustrating the upper jaw of the clamping portion according to embodiment 2 of the present invention;

FIG. 14 is a schematic top view of the structure of FIG. 13;

fig. 15 is a front view schematically illustrating a lower jaw of the clamping portion according to embodiment 2 of the present invention;

FIG. 16 is a schematic top view of the structure of FIG. 15;

fig. 17 is another enlarged partial schematic structural view of embodiment 2 of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples. It is to be understood, however, that the drawings are provided for a better understanding of the invention and that they are not to be interpreted as limiting the invention.

It should be noted that all the directional indicators (such as the near end, the far end, the front end, the rear end, etc.) in the present embodiment are only used to explain the relative positional relationship, the motion situation, etc. of the components in the general operation posture, that is, the side close to the operator is referred to as the near end or the rear end, and the side far away from the operator is referred to as the far end or the front end; if the operating posture changes, the directional indication changes accordingly.

Example 1

As shown in fig. 1, 5 to 10, the embodiment provides a pair of non-invasive laparoscopic forceps, comprising a forceps part 1 and a forceps body part 2 connected to the forceps part 1 and controlling the opening and closing of an upper forceps head 11 and a lower forceps head 12 of the forceps part 1; debakey teeth matched with each other are arranged on a clamping surface between the upper tong head 11 and the lower tong head 12.

Further, as shown in fig. 1 and 2, the caliper body 2 includes: the clamp rod 21 is of a hollow rod-shaped structure;

the forceps inner core assembly 22 is movably inserted into the forceps rod 21, and the front end of the forceps inner core assembly 22 extends out of one end of the forceps rod 21 and is movably connected with the forceps part 1; the rear end of the clamp inner core assembly 22 extends out of the other end of the clamp rod 21;

the forceps handle 23 comprises a movable handle 231 and a fixed handle 232, the other end of the forceps rod 21 is connected to the fixed handle 232 in a clamping mode, the rear end of the forceps inner core assembly 22 is connected with the movable handle 231 on the forceps handle 23, and the movable handle 231 rotates relative to the fixed handle 232 to drive the forceps inner core assembly 22 to reciprocate in the forceps rod 21 to control the opening and closing of the upper forceps head 11 and the lower forceps head 12.

Further, as shown in fig. 3-4, the forceps core assembly 22 includes:

a pull rod 221 movably inserted in the forceps rod 21, wherein the rear end of the pull rod 221 extends out of the other end of the forceps rod 21 and is connected with a movable handle 231; a sliding groove 2211 is formed in the front end of the pull rod 321;

one end of the connecting rod 222 is slidably disposed in the sliding slot 2211,

the clamp part 1 is movably connected to the clamp head seat 223, and the other end of the connecting rod 222 passes through the clamp head seat 223 and is movably connected with the upper clamp head 11 and the lower clamp head 12 of the clamp part 1. When the pliers is used, the movable handle 231 rotates relative to the fixed handle 232 to drive the pull rod 221 to reciprocate in the pliers rod 21, and the connecting rod 222 slides back and forth in the sliding slot 2211 along with the pull rod 221 to drive the upper pliers head 11 and the lower pliers head 12 to open and close.

Further, as shown in fig. 11, the utility model discloses still including turning to adjusting knob 3, turning to adjusting knob 3 and setting up in the outside of tong pole 21 and fixed handle 232, turning to adjusting knob 3 and being used for adjusting the rotation of pincers inner core assembly 22, and then drive tong portion 1 and rotate, realize turning to of tong portion 1.

Furthermore, a cleaning port 4 communicated with the inner cavity of the clamp rod 21 is arranged on the clamp rod, and a cover cap 5 is arranged on the cleaning port 4.

Further, an electrode connecting holder 6 is provided on the forceps handle 23.

Further, the upper and

lower bits

11 and 12 are straight bits.

Further, the forceps handle 23 is a plastic handle.

Example 2

As shown in fig. 12 to 16, compared with embodiment 1, the other structures of the present embodiment are unchanged, and the main differences are that: debakey teeth and thread clamping teeth are formed on the clamping face between the upper tong head 11 and the lower tong head 12, the Debakey teeth and the thread clamping teeth are adjacently distributed on the clamping face, and the Debakey teeth are distributed close to the end sides of the upper tong head 11 and the lower tong head 12.

Furthermore, in order to adapt to different surgical requirements and surgical operation habits of different doctors, the Debakey teeth and the thread clamping teeth are distributed in a ratio of 1:1 or a ratio of 1:2 in the length direction of the clamping surface.

Further, according to different clamping force requirements, the wire clamping teeth can adopt thin teeth or rhombic teeth.

Further, the upper and

lower bits

11 and 12 are bent bits.

Further, as shown in fig. 17, a device 7 for unlocking the connection between the forceps handle 23 and the forceps rod 21 and the forceps core assembly 22 is provided.

The present invention has been described only with reference to the above embodiments, and the structure, arrangement position and connection of the components may be changed. On the basis of the technical scheme of the utility model, the all sides according to the utility model discloses the principle is all not excluded to the improvement that individual part goes on or the transform of equivalence the utility model discloses a protection scope is outside.

Claims

1. The non-invasive clamp for the laparoscope is characterized by comprising a clamping part (1) and a clamp body part (2) which is connected with the clamping part (1) and controls an upper clamp head (11) and a lower clamp head (12) of the clamping part (1) to open and close; debakey teeth matched with each other are arranged on a clamping surface between the upper tong head (11) and the lower tong head (12).

2. The atraumatic laparoscopic forceps as defined in claim 1, further comprising: the improved wire clamping device is characterized in that Debakey teeth and wire clamping teeth are formed on a clamping surface between the upper tong head (11) and the lower tong head (12), the Debakey teeth and the wire clamping teeth are adjacently distributed on the clamping surface, and the Debakey teeth are close to the head ends of the upper tong head (11) and the lower tong head (12) in a side distribution mode.

3. The atraumatic laparoscopic forceps as defined in claim 2, further comprising: the Debakey teeth and the thread clamping teeth are distributed in a ratio of 1:1 or a ratio of 1:2 in the length direction of the clamping surface.

4. The atraumatic laparoscopic forceps as defined in claim 2, further comprising: the wire clamping teeth adopt thin teeth or rhombic teeth.

5. A laparoscopic atraumatic forceps as claimed in claim 1 or 2, characterized by: the body portion (2) comprises:

the clamp rod (21) is of a hollow rod-shaped structure;

the forceps inner core assembly (22) is movably inserted into the forceps rod (21), and the front end of the forceps inner core assembly (22) extends out of one end of the forceps rod (21) and is movably connected with the forceps part (1); the rear end of the forceps inner core assembly (22) extends out of the other end of the forceps rod (21);

the pliers handle (23) comprises a movable handle (231) and a fixed handle (232), the other end of the pliers rod (21) is clamped on the fixed handle (232), the rear end of the pliers inner core assembly (22) is connected with the movable handle (231) on the pliers handle (23), and the movable handle (231) rotates relative to the fixed handle (232) to drive the pliers inner core assembly (22) to reciprocate in the pliers rod (21) to control the opening and closing of the upper pliers head (11) and the lower pliers head (12).

6. The atraumatic laparoscopic forceps according to claim 5, wherein the forceps core assembly (22) comprises:

the pull rod (221) is movably inserted into the clamp rod (21), and the rear end of the pull rod (221) extends out of the other end of the clamp rod (21) and is connected with the movable handle (231); a sliding groove (2211) is formed in the front end of the pull rod (221);

a connecting rod (222), one end of which is arranged in the sliding groove (2211) in a sliding way,

the clamping part (1) is movably connected to the clamping head seat (223), and the other end of the connecting rod (222) penetrates through the clamping head seat (223) to be movably connected with the upper clamping head (11) and the lower clamping head (12) of the clamping part (1).

7. The atraumatic laparoscopic forceps as claimed in claim 5, wherein: the pliers are characterized by further comprising a steering adjusting button (3), wherein the steering adjusting button (3) is arranged outside the pliers rod (21) and the fixed handle (232), and the steering adjusting button (3) is used for adjusting the pliers inner core assembly (22) to rotate so as to drive the pliers clamping portion (1) to rotate.

8. The atraumatic laparoscopic forceps as claimed in claim 5, wherein: the clamp rod (21) is provided with a cleaning opening (4) communicated with the inner cavity of the clamp rod, and the cleaning opening (4) is provided with a cover cap (5).

9. The atraumatic laparoscopic forceps as claimed in claim 5, wherein: an electrode connecting seat (6) is arranged on the forceps handle (23); a device (7) for unlocking the connection between the forceps handle (23) and the forceps rod (21) and the forceps inner core assembly (22) is arranged on the forceps handle; the forceps handle (23) is a plastic handle.

10. The atraumatic laparoscopic forceps as defined in claim 1, further comprising: the upper tong head (11) and the lower tong head (12) are straight tong heads or bent tong heads.