CN113662601A - Traction device for external body through abdomen - Google Patents
Traction device for external body through abdomen Download PDFInfo
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- CN113662601A CN113662601A CN202110946391.6A CN202110946391A CN113662601A CN 113662601 A CN113662601 A CN 113662601A CN 202110946391 A CN202110946391 A CN 202110946391A CN 113662601 A CN113662601 A CN 113662601A
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- 210000001015 abdomen Anatomy 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 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 16
- 230000000007 visual effect Effects 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 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
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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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)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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 transperitoneal 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 of the traction device base; the traction needle handle and the traction needle are internally provided with a channel for the traction needle core or the traction wire to penetrate through. Compared with the prior art, the invention can supplement the traction vacancy in 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 performed more stably, smoothly and effectively.
Description
Technical Field
The invention relates to an extracorporeal traction device, in particular to a transabdominal extracorporeal traction device.
Background
Surgical operations are usually required for appendectomy, but in recent years, with the development of endoscopic technologies, the applicability of endoscopic operations is gradually wide, and the endoscopic transgastric appendectomy (NOTES appendectomy) has the advantages of less wound, less bleeding, quick recovery of patients and the like compared with the traditional surgical operations, and is not inferior to the traditional surgical operations in the aspects of postoperative pain, long-term life quality of patients and the like. Clinical experience shows that when NOTES appendectomy is performed on a patient, the operation efficiency is affected by the conditions that appendix exposure is insufficient, the operation visual field is poor and the like, and when appendectomy is performed, the appendix is close to an intestinal tube and a blood vessel, and the adjacent intestinal tube and the blood vessel are easily damaged during operation, so that adverse effects such as intestinal perforation, bleeding and the like are caused.
Current endo-appendectomy does not have a dedicated traction device, such as: 1. lack of points of exertion when performing appendicectomy; 2. the tissue to be cut is not easy to fix; 3. the problems of complicated detachment and traction of the appendix in the excision process and the like exist, so that a device which can assist in traction of the appendix and assist in endoscopic appendectomy operation to improve operation efficiency and quality is urgently needed.
Disclosure of Invention
Based on the clinical problem, a transabdominal wall in-vitro traction device is designed and invented to assist the endoscopic appendectomy to be carried out more stably, smoothly and effectively.
The invention aims to solve at least one of the problems and provides a trans-abdominal extrasomatic traction device which assists in performing endoscopic appendectomy, assists in traction appendices, improves the efficiency of NOTES appendectomy and reduces possible complications in the operation process.
The purpose of the invention is realized by the following technical scheme:
a transabdominal extrasomatic traction device comprises a traction unit, an exhaust unit, a handle unit and a traction device base used 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 of the traction device base; and a channel for penetrating the traction needle core or the traction wire is arranged in the traction needle handle and the traction needle.
The traction unit is used for traction of tissues and organs.
Preferably, the second end of the pull pin is bent for adjusting the direction of the pull wire.
Preferably, the traction needle is connected with the traction needle base through threads and 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 pulling stylet 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 penetrates 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 element is arranged around the exhaust needle core handle and 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 over-high 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 stylet is longer than that of the traction needle, so that the needle head of the traction stylet is exposed out of the tail end of the traction needle; the length of the exhaust needle core is larger than that of the exhaust needle, so that the needle head of the exhaust needle core is exposed out of the tail end of the exhaust needle.
Preferably, the handle unit comprises a handle grip, a handle stem and a handle base;
the handle base is fixedly connected with the traction device base; the first end of the handle rod is fixedly connected with the handle, and the second end of the handle rod is fixedly connected with the handle base.
The handle unit is used for holding, and is convenient for a user to 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 arranged on two sides of the handle unit.
Preferably, the traction stylet needle head extends out of the traction needle; the needle head of the exhaust needle core extends out of the exhaust needle.
The using method of the trans-abdominal in-vitro traction device comprises the following steps:
s1: respectively penetrating a traction needle core and an exhaust needle core into a traction needle and an exhaust needle;
s2, obliquely pointing the device to the skin from the side of the traction needle, and inserting the device into the needle along the radian of the traction needle;
s3, after passing through the bent section of the traction needle, the device is inserted into the needle vertically to the skin until the exhaust needle is punctured into the abdominal cavity;
s4, after the puncture is finished, pulling out the traction needle core from the traction needle, and pulling out the exhaust needle core from the exhaust needle;
s5, a traction wire is penetrated through a channel arranged in the traction needle handle by the traction needle;
and S6, adjusting the position and the direction of the traction wire.
Preferably, the device described in step S1 is inclined towards the skin to ensure that the needle tip of the traction needle is inserted perpendicular to the skin.
Preferably, the adjusting of the position and direction of the pull wire in step S6 includes adjusting the length, angle and/or rotation of the pull pin handle to change the size and orientation of the pull wire distal opening 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 into the skin perpendicularly by the device at an angle from the side of the traction needle core, and the needle is continuously inserted into the device along the radian of the traction needle; after passing through the bending section of the traction needle, the vertical insertion needle is arranged until the exhaust needle penetrates into the abdominal cavity. After the puncture is finished, 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 traction needle is inserted into the traction wire through the traction needle through an internal hole of the traction needle handle, the size and the direction of an opening at the tail end of the traction wire are adjusted by adjusting the insertion 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 vacancy of traction 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 and smoothly and effectively executed;
2. the invention comprises a traction needle and an 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 internally provided with needle cores, so that the needle cores are pulled out after the abdominal puncture is finished, the tail ends of the two needles are smooth, and tissues in the abdominal cavity are not easy to damage;
5. the base of the traction needle is 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 front view of a transabdominal extrabody traction device of the present invention during puncturing;
FIG. 2 is a schematic front view of the traction device of the present invention in use for traction through the abdominal external body;
FIG. 3 is a schematic top view of the extra-corporeal traction apparatus according to the present invention;
FIG. 4 is a schematic side view of the trans-abdominal extra-corporeal traction apparatus of the present invention;
FIG. 5 is a schematic view of a portion of the vent unit of the trans-abdominal extracorporeal traction apparatus of the present invention;
FIG. 6 is a schematic structural view of the needle core pulled by the transabdominal extrabody traction device of the present invention;
FIG. 7 is a schematic view of a portion of the traction unit of the present invention being pulled through a trans-abdominal extra-corporeal traction apparatus;
FIG. 8 is a schematic view of the structure of a traction wire of the trans-abdominal extracorporeal traction apparatus of the present invention;
FIG. 9 is a schematic view of the flow of the present invention in use through a trans-abdominal extra-corporeal traction apparatus;
in the figure: 1-a traction unit; 11-a traction needle handle; 12-a traction needle base; 13-a traction needle; 14-pulling the stylet; 15-drawing wires; 2-an exhaust unit; 21-exhaust needle core handle; 22-a seal; 23-exhaust needle base; 24-an exhaust needle; 25-air exhaust needle core; 3-a handle unit; 31-a handle grip; 32-handle stem; 33-a handle base; 4-traction device base.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
A transperitoneal extrasomatic traction device is shown in figures 1-8 and 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 of the traction needle is fixedly connected with a 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 passing through the traction needle core 14 or the traction wire 15.
More specifically, in the present embodiment:
the traction needle base 12 is internally provided with threads, the outer side of one end (namely the first end) of the traction needle 13 close to the traction needle core handle 11 is also provided with threads, and the threads are matched with the threads inside the traction needle base 12, so that the traction needle 13 and the traction needle base 12 can be fixed, and the traction needle handle 11 fixedly connected with the traction needle 13 can be rotated as required to change the orientation of the tail end of the traction needle 13, and further change the orientations of the traction needle core 14 and the traction wire 15. The bending of the end of the pulling needle 13, for example at an angle of 45 degrees, may further facilitate the adjustment of the orientation of the pulling stylet 14 and the pulling wire 15. The drawing needle 13 has a curvature and is matched with the thread of the drawing needle base 12 to adjust the direction of the drawing needle 13 to guide the drawing wire 15.
In the puncture process, the device is shown in figure 1, the traction needle handle is 0.8cm long, 0.8cm wide, 1.2cm high, hollow and 4mm in inner diameter, and the traction needle 13 is fixed at the bottom. The traction needle 13 is 15cm long, 4mm in outer diameter, threaded on the periphery and 5mm in outer diameter, and is matched and fixedly connected with the internal thread of the traction needle base 12. The traction needle core 14 is 15.5cm long and has a sharp end, and is sleeved in 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, the device is shown in figure 2, the length of the traction wire 15 is 30cm, the maximum diameter of the tail end traction ring is 10cm, the traction wire is sleeved in the traction needle 13 through the traction needle handle 11, and the diameter of the tail end traction ring can be adjusted by adjusting the extending length of the traction wire 15.
In this embodiment, the exhaust unit 2 includes an exhaust needle shank 21, a seal 22, an exhaust needle base 23, an exhaust needle 24, and an exhaust needle core 25; the exhaust needle base 23 is fixed on the traction device base 4 and is provided with a through hole with an inner diameter of 3mm, which is the same as the outer diameter of the exhaust needle 24. The exhaust needle 24 is 8cm long, blunt at the end, parallel to the traction needle 13, and fixed with the exhaust needle base 23. The exhaust needle core 25 is 8.5cm long, has a sharp end, is fixed on the exhaust needle core handle 21, is sleeved in 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 member 22, and the sealing member 22 adopts a rubber ring for sealing. The exhaust unit 2 is used for exhaust to avoid excessive intra-abdominal pressure.
In this embodiment, the handle unit 3 includes a handle grip 31, a handle stem 32, and a handle base 33, and the handle grip 31, the handle stem 32, and the handle base 33 are fixedly connected in this order and fixed to the traction device base 4 via the handle base 33. The total height of the handle unit 3 is 10cm, which is convenient for controlling the puncture traction device.
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 element 22 (rubber ring) are made of rubber materials, and the rest parts are made of acrylic materials.
An exhaust needle base 23 (length 1.5cm, width 1.5cm, height 1cm), a handle base 33 (length 2cm, width 2cm, height 4cm) and a traction needle base 12 (length 1.5cm, width 1.5cm, height 3.8cm, with threads inside) are fixedly connected with a traction device base 4 (length 6cm, width 2.5cm, height 0.5 cm).
The working principle of the invention is as follows:
firstly, the exhaust needle 24 is sleeved on the exhaust needle handle 21 and the exhaust needle 25, and the traction needle 13 is sleeved on the traction needle 14. From the side of the traction stylet 14, the device enables the needle point of the traction stylet 14 to be inserted perpendicularly to the skin at an angle and continues to be inserted along the radian of the traction stylet 14; after passing through the bent section of the end (the end far away from the base 4 of the traction device) of the traction needle core 14, the needle is vertically inserted until the exhaust needle core 25 penetrates into 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, the abdominal cavity is exhausted, and the intra-abdominal air pressure is kept balanced. The traction wire 15 is penetrated through the traction needle 13 from an inner opening of the traction needle handle 11, the size and the direction of an opening at the tail end of the traction wire 15 are adjusted by adjusting the penetrating length and the angle of the traction wire 15, the traction needle handle 11 is rotated, the traction needle 13 and the traction wire 15 are driven to rotate, and the optimal traction position and the optimal traction angle are found.
As shown in fig. 9, in use, the exhaust needle 24 is fitted with the exhaust core 25 fixed to the exhaust core shank 21, and the traction needle 13 is fitted with the traction core 14. Firstly, the needle point of the traction needle core 14 is perpendicular to the skin and enters the needle along the radian of the traction needle core 14 from the side of the traction needle core 14 at an angle of 45 degrees; secondly, after passing through the bent part, the needle is vertically inserted, so that the exhaust needle core 25 punctures into the abdominal cavity; thirdly, after the puncture is finished, the traction needle core 14 is pulled out, and the exhaust needle core handle 21 and the exhaust needle core 25 are pulled out; fourthly, the traction wire 15 is penetrated into the traction needle handle 11 and the traction needle 13. The opening size of a traction ring at the tail end of the traction wire 15 is adjusted by adjusting the penetration length of the traction wire 15; fifthly, the traction needle handle 11 is rotated to adjust the direction of the traction needle 13 to assist traction.
The device of the embodiment can assist in performing appendectomy under an endoscope, assist in traction of the appendix, improve the efficiency of NOTES appendectomy and reduce possible complications in the operation process.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, 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 embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A transabdominal extrasomatic 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) penetrates through the traction needle base (12) and the traction device base (4), the first end of the traction needle is fixedly connected with a 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); and a channel for penetrating a traction needle core (14) or a traction wire (15) is arranged in the traction needle handle (11) and the traction needle (13).
2. A trans-abdominal extra-corporeal traction apparatus according to claim 1, characterised in that the second end of the traction needle (13) is curved for adjusting the direction of the traction wire (15).
3. A trans-abdominal extra-corporeal traction apparatus according to claim 1, characterized in that the traction needle (13) is screwed to the traction needle base (12) for adjusting and fixing the direction of the traction needle (13).
4. A trans-abdominal extra-corporeal traction device according to claim 1, characterised in that the second end of the traction core (14) is pointed.
5. A traction device for the transabdominal extrabody according to claim 1, characterized in that said traction wire (15) is made of metal and comprises a traction wire body and a traction ring.
6. A trans-abdominal extra-corporeal traction apparatus according to claim 1, characterised in that the air-bleeding unit (2) comprises an air-bleeding needle core handle (21), a seal (22), an air-bleeding needle base (23), an air-bleeding needle (24) and an air-bleeding 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 of the exhaust needle 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 of the exhaust needle core (25) passes through the exhaust needle (24) and is led out; the sealing element (22) is arranged around the exhaust needle core handle (21) and used for sealing between the exhaust needle core handle (21) and the exhaust needle base (23).
7. A transabdominal extracorporeal traction device of claim 6, wherein the second end of the vent needle (24) is blunt and the second end of the vent core is sharp.
8. A trans-abdominal extra-corporeal traction device according to claim 6, characterised in that the seal (22) is a rubber ring.
9. A trans-abdominal extra-corporeal traction apparatus according to claim 1, characterised 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 rod (32) is fixedly connected with the handle grip (31), and the second end is fixedly connected with the handle base (33).
10. A traction device for the trans-abdominal external body according to claim 1, wherein the handle unit (3) and the traction device base (4) are made of acrylic.
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 true CN113662601A (en) | 2021-11-19 |
| CN113662601B 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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