CN212415803U

CN212415803U - Abdominal wall retractor

Info

Publication number: CN212415803U
Application number: CN202021554213.6U
Authority: CN
Inventors: 黄广建; 申屠増军
Original assignee: TONGLU WANHE MEDICAL INSTRUMENT CO Ltd
Current assignee: TONGLU WANHE MEDICAL INSTRUMENT CO Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-01-29
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an abdominal wall retractor, which relates to the field of medical appliances and comprises a fixed part, a puncture part and a retraction part, wherein the fixed part comprises an outer tube internally provided with a connecting channel, the head of the outer tube is sharp, and the tail part of the outer tube is provided with an open main body; the puncture part comprises a closed needle with a closed handle at the tail part, the needle head part is sharp and can selectively penetrate into the connecting channel from the opening of the main body to puncture abdominal wall tissues, and the closed handle is embedded into the main body to be fixed; the traction part can selectively penetrate into the connecting channel from the opening of the main body for medical staff to pull abdominal wall tissues. The utility model has the advantages that: the draw hooks of different types can be replaced according to the actual conditions of patients, so that the abdominal wall tissues can be smoothly drawn in the operation, the operation time is effectively reduced, the operation visual field is increased, the number of personnel required by the operation is reduced, and the effects of small wound surface and less pain are achieved.

Description

Abdominal wall retractor

Technical Field

The utility model relates to the field of medical equipment, concretely relates to stomach wall tractive ware.

Background

An abdominal wall retractor is a medical instrument commonly used in an operation, when an abdominal cavity operation is performed, an operation part needs to be exposed in a visual field range, and nowadays, abdominal wall retractor is mostly adopted to support two sides of an abdominal wall so as to prevent an operation part from being shielded. However, because the obesity degree of each patient is different and the abdominal wall thickness is different, different types of abdominal wall draw hooks are required to be selected according to different abdominal wall thicknesses during surgery, for example, when the abdominal wall is thick, the type is selected to be larger, and conversely, the type is selected to be smaller; therefore, abdominal wall drag hooks of more models need to be prepared before an operation, and the adjustment can not be carried out according to the actual condition of a patient, so that the operation is inconvenient. At present, the head of an upper tong head and the head of a lower tong head of the existing abdominal wall retractor are blunt heads, and the toughness of tissues of the abdominal wall of a human body is relatively strong, so that the blunt heads cannot penetrate into the abdominal wall, the abdominal wall cannot be effectively clamped, and when medical staff use the abdominal wall retractor to draw the abdominal wall, the tissues of the abdominal wall easily slip from the tong heads, so that the operation cannot be smoothly performed.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art existence, and provide a stomach wall tractive ware, solved current stomach wall tractive ware and be difficult to the problem of piercing the stomach wall, still solved the problem that the stomach wall drag hook can't be changed according to patient's actual conditions.

The purpose of the utility model is accomplished through following technical scheme: the abdominal wall retractor comprises a fixing part, a puncture part and a traction part, wherein the fixing part comprises an outer tube provided with a connecting channel inside, the head of the outer tube is sharp, and the tail of the outer tube is provided with an open main body; the puncture part comprises a closed needle with a closed handle at the tail part, the needle head part is sharp and can selectively penetrate into the connecting channel from the opening of the main body to puncture abdominal wall tissues, and the closed handle is embedded into the main body to be fixed; the traction part can selectively penetrate into the connecting channel from the opening of the main body for medical staff to pull abdominal wall tissues.

As a further technical scheme, the traction part is a T-shaped drag hook or a hard tube drag hook or a hose drag hook, and is selected by medical staff according to different conditions during surgery.

As a further technical scheme, the T-shaped drag hook comprises a pull rod, a joint, a rod and a movable positioning pin, wherein the rod with the joint at the head is rotatably connected to the front end of the pull rod through the movable positioning pin, and when the T-shaped drag hook penetrates into the connecting channel and enters the abdominal wall, the rod is unfolded to form a T shape for medical staff to pull the abdominal wall tissues.

As a further technical scheme, the hard tube draw hook comprises a hard tube pull rod, a cross rod, a hard tube soft steel wire and a hard tube lock head, the hard tube soft steel wire with the hard tube lock head at the head part penetrates through the cross rod and is fixed at the front end of the hard tube pull rod, when the hard tube draw hook penetrates into the connecting channel and enters the abdominal wall, the hard tube lock head is controlled to lock the tail part of the hard tube soft steel wire, and a hard tube drawing area is formed between the hard tube draw hook and the cross rod for medical staff to draw abdominal wall tissues.

As a further technical scheme, the hose retractor comprises a hose pull rod, a hose flexible steel wire and a hose lock head, the hose flexible steel wire with the hose lock head at the head is fixed at the front end of the hose pull rod, and when the hose retractor penetrates into the connecting channel and enters the abdominal wall, the hose lock head is controlled to lock the tail part of the hose flexible steel wire to form a hose traction area for medical staff to pull abdominal wall tissues.

As a preferred technical scheme, a blocking piece is fixedly arranged at the tail part of the pull rod or the hard tube pull rod or the hose pull rod and used for fixing the blocking position.

The utility model has the advantages that: the draw hooks of different types can be replaced according to the actual conditions of patients, so that the abdominal wall tissues can be smoothly drawn in the operation, the operation time is effectively reduced, the operation visual field is increased, the number of personnel required by the operation is reduced, and the effects of small wound surface and less pain are achieved.

Drawings

Fig. 1 is a schematic structural view of an outer tube.

Fig. 2 is a schematic structural view of the closed needle.

Figure 3 is a schematic view of the needle penetrating the outer tube.

Fig. 4 is a schematic view of the fixing structure of the closing needle and the outer tube.

Fig. 5 is a schematic structural view of the T-shaped retractor.

Fig. 6 is a schematic view of the use of the T-shaped retractor.

Fig. 7 is a schematic structural view of the rigid tube retractor.

Fig. 8 is a schematic view of the use of the rigid tube retractor.

Fig. 9 is a schematic view of the hose retractor.

Fig. 10 is a schematic view of the hose retractor in use.

Fig. 11 is a schematic structural view of the blocking sheet.

Description of reference numerals: the device comprises an outer tube 1, a connecting channel 1-1, a main body 2, a closed needle 3, a closed handle 4, a T-shaped draw hook 5, a draw bar 5-1, a connector 5-2, a rod 5-3, a movable positioning pin 5-4, a hard tube draw hook 6, a hard tube draw bar 6-1, a cross bar 6-2, a hard tube soft steel wire 6-3, a hard tube lock head 6-4, a hard tube drawing area 6-5, a hose draw hook 7, a hose draw bar 7-1, a hose soft steel wire 7-2, a hose lock head 7-3, a hose drawing area 7-4 and a baffle 8.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example 1: the abdominal wall retractor comprises a fixing part, a puncture part and a traction part, wherein as shown in figure 1, the fixing part comprises an outer tube 1 provided with a connecting channel 1-1 inside, the head of the outer tube 1 is sharp, and the tail of the outer tube is provided with an open main body 2; as shown in fig. 2, the puncture part comprises a closed needle 3 with a closed handle 4 at the tail part, the head of the closed needle 3 is sharp, when the abdominal cavity operation is performed, the medical staff penetrates the closed needle 3 into the connecting channel 1-1 from the opening of the main body 2 and cooperates with the outer tube 1 to pierce into the abdominal wall tissue (as shown in fig. 3), and the closed handle 4 is embedded into the main body 2 to be fixed (as shown in fig. 4); after the puncture is finished, the closed needle 3 is taken out, and the traction part is penetrated into the connecting channel 1-1 from the opening of the main body 2 for medical staff to pull abdominal wall tissues, so that the operation visual field under the endoscope is expanded. When the view is blocked by the small tissue blocks in the operation, the T-shaped drag hook 5 can be used as the traction part. The T-shaped drag hook 5 comprises a drag rod 5-1, a joint 5-2, a rod 5-3 and a movable positioning pin 5-4, as shown in figure 5, the rod 5-3 with the joint 5-2 arranged at the head is rotatably connected at the front end of the drag rod 5-1 through the movable positioning pin 5-4, when the T-shaped drag hook 5 penetrates into the connecting channel 1-1 and enters the abdominal wall, the rod 5-3 is opened to form a T shape (as shown in figure 6) by matching with an operating forceps, and medical staff can hook tissues in the abdominal wall to move randomly by pulling the drag rod 5-1 back, thereby achieving the purpose of increasing the visual field.

As the preferred technical scheme, the diameter of the closed needle 3 is 2.2mm, so that the wound area can be effectively reduced during puncture, the pain of a patient is relieved, and postoperative recovery is facilitated.

Example 2: when the large tissue blocks the visual field in the operation, the hard tube drag hook 6 can be used as a traction part. The hard tube draw hook 6 comprises a hard tube draw rod 6-1, a cross rod 6-2, a hard tube soft steel wire 6-3 and a hard tube lock head 6-4, as shown in figure 7, the hard tube soft steel wire 6-3 with the hard tube lock head 6-4 at the head part passes through the cross rod 6-2 to be fixed at the front end of the hard tube draw rod 6-1, when the hard tube draw hook 6 penetrates into the connecting channel 1-1 and enters the abdominal wall, medical staff controls the hard tube lock head 6-4 to lock the tail part of the hard tube soft steel wire 6-3 through operating forceps and forms a hard tube drawing area 6-5 (as shown in figure 8) with the cross rod 6-2, and the medical staff hooks abdominal wall tissues in the hard tube drawing area 6-5 to move freely by pulling the hard tube draw rod 6-1 backwards, thereby achieving the purpose of increasing the visual field.

Example 3: when the view field is blocked by the intestinal tissue during the operation, the hose retractor 7 can be used as a traction part. The hose drag hook 7 comprises a hose pull rod 7-1, a hose flexible steel wire 7-2 and a hose lock head 7-3, the hose flexible steel wire 7-2 with the hose lock head 7-3 at the head part is fixed at the front end of the hose pull rod 7-1 as shown in figure 9, when the hose drag hook 7 penetrates into the connecting channel 1-1 and enters the abdominal wall, medical personnel control the hose lock head 7-3 to lock the tail part of the hose flexible steel wire 7-2 through an operating forceps to form a hose traction area 7-4 (as shown in figure 10), and the medical personnel hook intestinal tract tissues in the hose traction area 7-4 to move randomly by pulling the hose pull rod 7-1 backwards, thereby achieving the purpose of increasing the visual field.

Example 4: as shown in fig. 11, when the hands of the medical staff need to release the traction part to operate other medical devices such as operating forceps, endoscope, etc., the blocking piece 8 can be clamped at the tail part of the traction part (i.e. the pull rod 5-1 or the hard tube pull rod 6-1 or the hose pull rod 7-1), the blocking piece 8 is fixed in contact with the main body 2, the medical staff does not need to be arranged to hold the pulling hook in the operation, and various types of pulling hooks can be prevented from being scratched into the abdominal cavity of the patient, so that the operation safety is improved.

The utility model discloses a working process: when the abdominal cavity operation is carried out, a patient needs to be punctured, the medical staff penetrates the closed needle 3 into the connecting channel 1-1 from the opening of the main body 2 and is matched with the outer tube 1 to be punctured into abdominal wall tissues, the puncture can be finished, and the closed needle 3 is taken out; generally, more than 3 puncture holes need to be punctured, an endoscope (used for providing an operation visual field), an operating forceps (used for cutting tissues) and a traction part (used for expanding the operation visual field) are respectively arranged in the puncture holes, at the moment, medical staff select a drag hook which needs to be used according to the condition of a patient, the drag hook penetrates into a connecting channel 1-1 from an opening of a main body 2 to enter an abdominal wall, the drag hook is hooked on the abdominal wall tissues by means of the operating forceps, traction is carried out until the operation visual field under the endoscope is clear, and then the tail part of the drag hook is fixed by a separation blade 8 to finish the abdominal wall.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. An abdominal wall retractor, characterized in that: the puncture needle comprises a fixed part, a puncture part and a traction part, wherein the fixed part comprises an outer tube (1) internally provided with a connecting channel (1-1), the head of the outer tube (1) is sharp, and the tail of the outer tube is provided with an open main body (2); the puncture part comprises a closed needle (3) with a closed handle (4) at the tail part, the head part of the closed needle (3) is sharp and can selectively penetrate into the connecting channel (1-1) from the opening of the main body (2) for puncturing abdominal wall tissues, and the closed handle (4) is embedded into the main body (2) for fixation; the traction part can selectively penetrate into the connecting channel (1-1) from the opening of the main body (2) for medical staff to pull abdominal wall tissues.

2. The abdominal wall retractor of claim 1, wherein: the traction part is a T-shaped drag hook (5), a hard tube drag hook (6) or a hose drag hook (7) for medical staff to select according to different conditions during surgery.

3. The abdominal wall retractor of claim 2, wherein: the T-shaped drag hook (5) comprises a drag rod (5-1), a joint (5-2), a rod (5-3) and a movable positioning pin (5-4), the rod (5-3) with the joint (5-2) arranged at the head is rotatably connected to the front end of the drag rod (5-1) through the movable positioning pin (5-4), and when the T-shaped drag hook (5) penetrates into the connecting channel (1-1) and enters the abdominal wall, the rod (5-3) is unfolded to form a T shape for medical staff to drag abdominal wall tissues.

4. The abdominal wall retractor of claim 2, wherein: the hard tube draw hook (6) comprises a hard tube draw rod (6-1), a cross rod (6-2), a hard tube soft steel wire (6-3) and a hard tube lock head (6-4), the hard tube soft steel wire (6-3) with the hard tube lock head (6-4) at the head passes through the cross rod (6-2) and is fixed at the front end of the hard tube draw rod (6-1), when the hard tube draw hook (6) penetrates into the connecting channel (1-1) and enters the abdominal wall, the hard tube lock head (6-4) is controlled to lock the tail of the hard tube soft steel wire (6-3), and a hard tube drawing area (6-5) is formed between the hard tube draw hook and the cross rod (6-2) for medical staff to draw abdominal wall tissues.

5. The abdominal wall retractor of claim 2, wherein: the hose drag hook (7) comprises a hose drag rod (7-1), a hose flexible steel wire (7-2) and a hose lock head (7-3), the hose flexible steel wire (7-2) with the hose lock head (7-3) at the head is fixed at the front end of the hose drag rod (7-1), and when the hose drag hook (7) penetrates into the connecting channel (1-1) and enters the abdominal wall, the hose lock head (7-3) is controlled to lock the tail part of the hose flexible steel wire (7-2) to form a hose dragging area (7-4) for medical staff to drag abdominal wall tissues.

6. An abdominal wall retractor according to claim 3 or 4 or 5, wherein: and a blocking piece (8) is fixedly arranged at the tail part of the pull rod (5-1), the hard tube pull rod (6-1) or the hose pull rod (7-1) and used for fixing the blocking position.