CN113662601B - External traction device for trans-abdominal body - Google Patents
External traction device for trans-abdominal body Download PDFInfo
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- CN113662601B CN113662601B CN202110946391.6A CN202110946391A CN113662601B CN 113662601 B CN113662601 B CN 113662601B CN 202110946391 A CN202110946391 A CN 202110946391A CN 113662601 B CN113662601 B CN 113662601B
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000007486 appendectomy Methods 0.000 abstract description 18
- 239000013589 supplement Substances 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010022653 Intestinal haemorrhages Diseases 0.000 description 1
- 208000004550 Postoperative Pain Diseases 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 206010022694 intestinal perforation Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
- A61B2017/00823—Appendectomy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
- A61B2017/0225—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery flexible, e.g. fabrics, meshes, or membranes
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to an external traction device, in particular to a trans-abdominal external traction device, which comprises a traction unit, an exhaust unit, a handle unit and a traction device base for fixing the traction unit, the exhaust unit and the handle unit; the traction unit comprises a traction needle handle, a traction needle base, a traction needle core and a traction wire; the traction needle base is fixedly connected with the traction device base; the traction needle penetrates through the traction needle base and the traction device base, the first end of the traction needle is fixedly connected with a traction needle handle arranged on the traction needle base, and the second end of the traction needle is led out from the traction device base; the traction needle handle and the traction needle are internally provided with a channel for penetrating the traction needle core or the traction wire. Compared with the prior art, the invention can supplement the traction vacancy in the NOTES appendectomy, improve the exposure of the operation visual field, improve the operation efficiency and quality, and assist the appendectomy under the endoscope to be more stably, smoothly and effectively executed.
Description
Technical Field
The invention relates to an external traction device, in particular to a trans-abdominal external traction device.
Background
Although the appendectomy generally requires a surgical operation, along with the development of endoscopic technology in recent years, the scope of endoscopic operation has gradually become widely applicable, and endoscopic transgastric appendectomy (NOTES appendectomy) has the advantages of less trauma, less bleeding, quick recovery of patients and the like compared with the traditional surgical operation, and is different from the traditional surgical operation in terms of postoperative pain, long-term life quality of patients and the like. Clinical experience has found that when a patient is subjected to NOTES appendectomy, the efficiency of the operation is often affected by insufficient appendectomy exposure, poor operation vision and the like, and when appendectomy is performed, the appendices are close to the intestinal canal and the blood vessel, and the adjacent intestinal canal and the blood vessel are easily damaged during operation, so that the adverse effects such as intestinal perforation, bleeding and the like are caused.
Current endoscopic appendectomy procedures do not have specialized traction devices, such as: 1. lack of points of force when appendectomy is performed; 2. the tissue to be resected is not easy to fix; 3. in the process of excision, the appendices are separated and pulled more complicated, so that a device is needed to assist in the appendices traction and the appendectomy operation under the endoscope so as to improve the operation efficiency and quality.
Disclosure of Invention
Based on the clinical problem, we design and invent a traction device outside the abdominal wall to assist the appendectomy under the endoscope to be more stable, smooth and effective.
The invention aims to solve at least one of the problems and provide a trans-abdominal external traction device which assists in the implementation of endoscopic appendectomy and the traction of the appendix, improves the efficiency of NOTES appendectomy and reduces possible complications in the operation process.
The aim of the invention is achieved by the following technical scheme:
an extraabdominal traction device comprises a traction unit, an exhaust unit, a handle unit and a traction device base for fixing the traction unit, the exhaust unit and the handle unit;
the traction unit comprises a traction needle handle, a traction needle base, a traction needle core and a traction wire; the traction needle base is fixedly connected with the traction device base; the traction needle penetrates through the traction needle base and the traction device base, the first end of the traction needle is fixedly connected with a traction needle handle arranged on the traction needle base, and the second end of the traction needle is led out from the traction device base; the traction needle handle and the traction needle are internally provided with a channel for penetrating the traction needle core or the traction wire.
The traction unit is used for traction of tissue organs.
Preferably, the second end of the traction needle is bent for adjusting the direction of the traction wire.
Preferably, the traction needle is connected with the traction needle base through threads and is used for adjusting and fixing the direction of the traction needle. The direction of the traction needle can be adjusted and fixed by rotating the traction needle handle fixedly connected with the traction needle.
Preferably, the second end of the traction needle core is sharp.
Preferably, the traction wire is made of metal and consists of a traction wire main body and a traction ring.
Preferably, the exhaust unit comprises an exhaust needle core handle, a sealing piece, an exhaust needle base, an exhaust needle and an exhaust needle core;
the exhaust needle base is fixedly connected with the traction device base; the first end of the exhaust needle is connected with the exhaust needle base, and the second end of the exhaust needle passes through the traction device base and is led out; the first end of the exhaust needle core is fixedly connected with an exhaust needle core handle arranged on the exhaust needle base, and the second end of the exhaust needle core penetrates through the exhaust needle and is led out; the sealing piece is arranged around the exhaust needle core handle and is used for sealing between the exhaust needle core handle and the exhaust needle base.
The exhaust unit is used for adjusting intra-abdominal pressure and avoiding excessive intra-abdominal pressure.
Preferably, the second end of the air exhaust needle is blunt, and the second end of the air exhaust needle core is sharp.
Preferably, the sealing element is a rubber ring.
Preferably, the length of the traction needle core is longer than that of the traction needle, so that the needle head of the traction needle core is exposed from the tail end of the traction needle; the length of the exhaust needle core is longer than that of the exhaust needle, so that the needle head of the exhaust needle core is exposed from the tail end of the exhaust needle.
Preferably, the handle unit comprises a handle grip, a handle lever and a handle base;
the handle base is fixedly connected with the traction device base; the first end of the handle lever is fixedly connected with the handle grip, and the second end of the handle lever is fixedly connected with the handle base.
The handle unit is used for holding, so that a user can conveniently control the puncture traction device.
Preferably, the handle unit and the traction device base are made of acrylic materials.
Preferably, the traction unit and the exhaust unit are respectively arranged at two sides of the handle unit.
Preferably, the traction needle core needle head extends out of the traction needle; the exhaust needle core needle head extends out of the exhaust needle.
The application method of the extraabdominal traction device comprises the following steps:
s1: the traction needle core and the exhaust needle core are respectively penetrated into the traction needle and the exhaust needle;
s2, obliquely facing the skin by the device from the traction needle side, and inserting the skin along the radian of the traction needle;
s3, after passing through the bending section of the traction needle, the device is perpendicularly inserted into the skin until the exhaust needle penetrates into the abdominal cavity;
s4, after the puncture is completed, pulling out the traction needle core from the traction needle, and pulling out the exhaust needle core from the exhaust needle;
s5, penetrating a traction wire through a traction needle by a channel formed in the traction needle handle;
s6, adjusting the position and the direction of the traction wire.
Preferably, the device described in step S1 is used to bevel the skin, ensuring that the needle tip of the introducer needle is inserted perpendicular to the skin.
Preferably, the adjustment of the position and orientation of the pulling wire described in step S6 includes adjusting the penetration length, angle and/or rotation of the pulling needle handle of the pulling wire to change the size and orientation of the distal opening of the pulling wire for better positioning and pulling.
The working principle of the invention is as follows:
firstly, the exhaust needle core handle and the exhaust needle core are sleeved into the exhaust needle, and the traction needle core is sleeved into the traction needle. The needle point of the traction needle core is inserted perpendicular to the skin by the traction needle core side at an angle by the device, and the needle is continuously inserted along the radian of the traction needle; after passing through the curved section of the draw needle, the device is inserted vertically until the vent needle pierces the abdominal cavity. After the puncture is completed, the traction needle core is pulled out, the exhaust needle core handle and the exhaust needle core are pulled out together, the abdominal cavity is exhausted, and the intra-abdominal air pressure balance is maintained. The inner hole of the traction needle handle penetrates into the traction wire through the traction needle, the size and the direction of the opening at the tail end of the traction wire are adjusted by adjusting the penetration length and the angle of the traction wire, and the traction needle handle is rotated to drive the traction needle and the traction wire to rotate so as to find the optimal traction position and angle.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can supplement the traction gap in the existing NOTES appendectomy, improve the exposure of the operation visual field, improve the operation efficiency and quality, and assist the appendectomy under the endoscope to be more stable, smooth and effective execution;
2. the invention comprises two holes of the traction needle and the exhaust needle, which can maintain the pressure in the abdominal cavity at a relatively stable level while traction;
3. the tail part of the traction needle has a certain radian, so that the traction wire can be conveniently adjusted;
4. the traction needle core and the exhaust needle core are both built-in needle cores, so that the needle core is pulled away after the abdominal puncture is finished, the tail ends of the two needles are smooth, and the tissues in the abdominal cavity are not easily damaged;
5. the base of the traction needle is internally provided with threads for adjusting and fixing the direction of the traction needle, so that the traction needle is more flexible and convenient to use.
Drawings
FIG. 1 is a schematic view of the front structure of the present invention when it is pierced by an extraabdominal traction device;
FIG. 2 is a schematic diagram of the front structure of the present invention when the present invention is pulled by an external abdominal traction device;
FIG. 3 is a schematic top view of the extraabdominal traction device of the present invention;
FIG. 4 is a schematic side view of the extraabdominal traction device of the present invention;
FIG. 5 is a schematic view of a part of the structure of an exhaust unit of the extraabdominal traction device of the present invention;
FIG. 6 is a schematic view of the structure of the present invention for pulling the core through the extraabdominal traction device;
FIG. 7 is a schematic view of a part of the traction unit of the present invention when the traction unit is pulled by an extraabdominal traction device;
FIG. 8 is a schematic view of the structure of the traction wire of the present invention through the extraabdominal traction device;
FIG. 9 is a schematic flow chart of the present invention when the extraabdominal traction device is in use;
in the figure: 1-a traction unit; 11-pulling the needle handle; 12-a traction needle base; 13-a drag needle; 14-pulling the needle core; 15-pulling the wire; 2-an exhaust unit; 21-a vent core handle; 22-seals; 23-a vent needle mount; 24-an exhaust needle; 25-venting a needle; 3-a handle unit; 31-a handle grip; 32-a handle grip; 33-a handle base; 4-a traction device base.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Example 1
An extraabdominal traction device, as shown in fig. 1-8, comprises a traction unit 1, an exhaust unit 2, a handle unit 3 and a traction device base 4 for fixing the traction unit 1, the exhaust unit 2 and the handle unit 3; the traction unit 1 comprises a traction needle handle 11, a traction needle base 12, a traction needle 13, a traction needle core 14 and a traction wire 15; the traction needle base 12 is fixedly connected with the traction device base 4; the traction needle 13 penetrates through the traction needle base 12 and the traction device base 4, the first end is fixedly connected with the traction needle handle 11 arranged on the traction needle base 12, and the second end is led out from the traction device base 4; the traction needle handle 11 and the traction needle 13 are internally provided with a channel for penetrating the traction needle core 14 or the traction wire 15.
More specifically, in the present embodiment:
the inside screw thread that is equipped with of traction needle base 12, traction needle 13 is close to traction needle core handle 11 one end (be close to traction needle first end) the outside also be equipped with the screw thread, cooperatees with the screw thread of traction needle base 12 inside, both can realize the fixed with traction needle 13 and traction needle base 12, can rotate and traction needle handle 11 of traction needle 13 fixed connection when required again to change traction needle 13 terminal orientation, and then change traction needle core 14 and traction wire 15's orientation. Bending the distal end of the draw needle 13, for example at a 45 degree angle, may further facilitate adjusting the orientation of the draw needle core 14 and draw wire 15. The traction needle 13 has an arc and is matched with the traction needle base 12 in a threaded manner so as to adjust the direction of the traction needle 13 to guide the traction wire 15.
In the puncturing process, the device is shown in fig. 1, the length of the traction needle handle is 0.8cm, the width is 0.8cm, the height is 1.2cm, the device is hollow, the inner diameter is 4mm, and the traction needle 13 is fixed at the bottom. The traction needle 13 is 15cm long, the outer diameter is 4mm, the periphery of the traction needle is provided with threads, the outer diameter of the threads is 5mm, and the traction needle is fixedly connected with the internal threads of the traction needle base 12 in a matched mode. The traction needle core 14 is 15.5cm long, the tail end is sharp, the traction needle core 14 is sleeved into the traction needle 13 through the traction needle handle 11, and the needle head of the traction needle core 14 extends out of the traction needle 13.
In the traction process, as shown in fig. 2, the device is characterized in that the length of a traction wire 15 is 30cm, the maximum diameter of a terminal traction ring is 10cm, the traction wire is sleeved into a traction needle 13 through a traction needle handle 11, and the diameter of the terminal traction ring can be adjusted by adjusting the extending length of the traction wire 15.
In this embodiment, the air-vent unit 2 includes an air-vent needle stem 21, a seal 22, an air-vent needle base 23, an air-vent needle 24, and an air-vent needle 25; the air-discharging needle base 23 is fixed to the traction device base 4 and is provided with a through hole having an inner diameter of 3mm, which is the same as the outer diameter of the air-discharging needle 24. The venting needle 24 is 8cm long, blunt at its end, parallel to the draw needle 13 and fixed to the venting needle base 23. The exhaust needle core 25 is 8.5cm long, the tail end is sharp, the exhaust needle core 25 is fixed on the exhaust needle core handle 21 and sleeved into the exhaust needle 24 through the exhaust needle base 23, and the needle head of the exhaust needle core 25 extends out of the exhaust needle 24. The periphery of the exhaust needle core handle 21 is also surrounded by a sealing element 22, and the sealing element 22 adopts a rubber ring for sealing. The degassing unit 2 is used for degassing to avoid intra-abdominal pressure excess.
In this embodiment, the handle unit 3 includes a handle grip 31, a handle grip 32, and a handle base 33, and the handle grip 31, the handle grip 32, and the handle base 33 are sequentially fixedly connected and fixed to the traction device base 4 via the handle base 33. The total height of the handle unit 3 is 10cm, so that the puncture traction device can be conveniently controlled.
The exhaust needle 24, the exhaust needle core 25, the traction needle 13, the traction needle core 14 and the traction wire 15 are made of metal materials, the handle grip 31 and the sealing piece 22 (rubber ring) are made of rubber materials, and the rest parts are made of acrylic materials.
The exhaust needle mount 23 (length 1.5cm, width 1.5cm, height 1 cm), the handle mount 33 (length 2cm, width 2cm, height 4 cm) and the draw needle mount 12 (length 1.5cm, width 1.5cm, height 3.8cm, with threads provided therein) are fixedly connected to the draw device mount 4 (length 6cm, width 2.5cm, height 0.5 cm).
The working principle of the invention is as follows:
first, the exhaust needle core handle 21 and the exhaust needle core 25 are sleeved into the exhaust needle 24, and the traction needle core 14 is sleeved into the traction needle 13. The device makes the needle point of the traction needle core 14 inserted perpendicular to the skin at an angle from the traction needle core 14 side and continues to insert into the needle along the radian of the traction needle core 14; the needle is inserted vertically after bending the section through the end of the drawing needle 14 (the end remote from the drawing device base 4) until the exhaust needle 25 pierces the abdominal cavity. After the puncture is completed, the traction needle core 14 is pulled out, the exhaust needle core handle 21 and the exhaust needle core 25 are pulled out together, and the abdominal cavity is exhausted, so that the pressure balance in the abdominal cavity is maintained. The traction wire 15 is penetrated through the traction needle 13 by the internal opening of the traction needle handle 11, the size and the direction of the opening at the tail end of the traction wire 15 are adjusted by adjusting the penetration length and the angle of the traction wire 15, and the traction needle handle 11 is rotated to drive the traction needle 13 and the traction wire 15 to rotate so as to find the optimal traction position and the optimal traction angle.
In use, as shown in fig. 9, the present device is first used by inserting the vent needle 25 secured to the vent needle handle 21 into the vent needle 24 and inserting the pull needle 14 into the pull needle 13. (1) The needle tip of the traction needle core 14 is perpendicular to the skin and enters the needle along the radian of the traction needle core 14 at an angle of 45 degrees from the traction needle core 14 side; (2) after passing through the curved portion, the needle is vertically inserted, so that the exhaust needle core 25 is pierced into the abdominal cavity; (3) after the puncture is completed, the traction needle core 14 is pulled out, and the exhaust needle core handle 21 and the exhaust needle core 25 are pulled out; (4) the draw wire 15 is threaded into the draw needle handle 11 and the draw needle 13. The penetration length of the traction wire 15 is adjusted to adjust the opening size of the traction ring at the tail end of the traction wire 15; (5) the traction needle handle 11 is rotated, the direction of the traction needle 13 is adjusted, and traction is assisted.
The device of the embodiment can assist in carrying out appendectomy under an endoscope, assist in traction of the appendix, improve efficiency of NOTES appendectomy, and reduce complications possibly occurring in the operation process.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (9)
1. The trans-abdominal external traction device is characterized by comprising a traction unit (1), an exhaust unit (2), a handle unit (3) and a traction device base (4) for fixing the traction unit (1), the exhaust unit (2) and the handle unit (3);
the traction unit (1) comprises a traction needle handle (11), a traction needle base (12), a traction needle (13), a traction needle core (14) and a traction wire (15); the traction needle base (12) is fixedly connected with the traction device base (4); the traction needle (13) is arranged in the traction needle base (12) and the traction device base (4) in a penetrating way, the first end of the traction needle is fixedly connected with the traction needle handle (11) arranged on the traction needle base (12), and the second end of the traction needle is led out from the traction device base (4); the traction needle handle (11) and the traction needle (13) are internally provided with a channel for penetrating the traction needle core (14) or the traction wire (15);
the exhaust unit (2) comprises an exhaust needle core handle (21), a sealing piece (22), an exhaust needle base (23), an exhaust needle (24) and an exhaust needle core (25);
the exhaust needle base (23) is fixedly connected with the traction device base (4); the first end of the exhaust needle (24) is connected with the exhaust needle base (23), and the second end passes through the traction device base (4) and is led out; the first end of the exhaust needle core (25) is fixedly connected with an exhaust needle core handle (21) arranged on an exhaust needle base (23), and the second end passes through the exhaust needle (24) and is led out; the sealing piece (22) is arranged around the exhaust needle core handle (21) and is used for sealing between the exhaust needle core handle (21) and the exhaust needle base (23).
2. A trans-abdominal external traction device according to claim 1, characterized in that the second end of the traction needle (13) is bent for adjusting the direction of the traction wire (15).
3. A trans-abdominal external traction device according to claim 1, characterized in that the traction needle (13) is screwed with the traction needle base (12) for adjusting and fixing the direction of the traction needle (13).
4. A trans-abdominal external traction device according to claim 1, characterized in that the second end of the traction needle (14) is sharp.
5. The extraabdominal traction device according to claim 1, wherein the traction wire (15) is made of metal and consists of a traction wire body and a traction ring.
6. A trans-abdominal external traction device according to claim 1, characterized in that the second end of the air-evacuation needle (24) is blunt and the second end of the air-evacuation needle core is sharp.
7. A trans-abdominal external traction device according to claim 1, characterized in that the sealing member (22) is a rubber ring.
8. A trans-abdominal external traction device according to claim 1, characterized in that the handle unit (3) comprises a handle grip (31), a handle stem (32) and a handle base (33);
the handle base (33) is fixedly connected with the traction device base (4); the first end of the handle lever (32) is fixedly connected with the handle grip (31), and the second end is fixedly connected with the handle base (33).
9. The extraabdominal traction device according to claim 1, wherein the handle unit (3) and the traction device base (4) are made of acrylic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110946391.6A CN113662601B (en) | 2021-08-18 | 2021-08-18 | External traction device for trans-abdominal body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110946391.6A CN113662601B (en) | 2021-08-18 | 2021-08-18 | External traction device for trans-abdominal body |
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| Publication Number | Publication Date |
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| CN113662601A CN113662601A (en) | 2021-11-19 |
| CN113662601B true CN113662601B (en) | 2024-01-19 |
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| CN202110946391.6A Active CN113662601B (en) | 2021-08-18 | 2021-08-18 | External traction device for trans-abdominal body |
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| CN211433060U (en) * | 2019-11-05 | 2020-09-08 | 江苏省人民医院（南京医科大学第一附属医院） | Percutaneous puncture intracavity traction and ligation device |
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