CN110786895A - Retractor for thoracic cavity operation - Google Patents
Retractor for thoracic cavity operation Download PDFInfo
- Publication number
- CN110786895A CN110786895A CN201910973349.6A CN201910973349A CN110786895A CN 110786895 A CN110786895 A CN 110786895A CN 201910973349 A CN201910973349 A CN 201910973349A CN 110786895 A CN110786895 A CN 110786895A
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- Prior art keywords
- hook
- rod
- seat
- draw
- hand wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 210000000115 thoracic cavity Anatomy 0.000 title claims abstract description 25
- 238000001356 surgical procedure Methods 0.000 claims abstract description 12
- 239000013307 optical fiber Substances 0.000 claims description 14
- 239000008267 milk Substances 0.000 claims description 12
- 210000004080 milk Anatomy 0.000 claims description 12
- 235000013336 milk Nutrition 0.000 claims description 12
- 210000000481 breast Anatomy 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims 3
- 210000001562 sternum Anatomy 0.000 abstract description 6
- 210000000779 thoracic wall Anatomy 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 206010006187 Breast cancer Diseases 0.000 abstract description 2
- 208000026310 Breast neoplasm Diseases 0.000 abstract description 2
- 208000000461 Esophageal Neoplasms Diseases 0.000 abstract description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 abstract description 2
- 206010030155 Oesophageal carcinoma Diseases 0.000 abstract description 2
- 208000026216 Thoracic disease Diseases 0.000 abstract description 2
- 208000024770 Thyroid neoplasm Diseases 0.000 abstract description 2
- 201000004101 esophageal cancer Diseases 0.000 abstract description 2
- 230000003601 intercostal effect Effects 0.000 abstract description 2
- 201000005202 lung cancer Diseases 0.000 abstract description 2
- 208000020816 lung neoplasm Diseases 0.000 abstract description 2
- 201000002510 thyroid cancer Diseases 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
- A61B2090/306—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a draw hook for thoracic cavity surgery, which relates to the field of medical instruments and mainly comprises a bedstead, wherein a slide bar is arranged on the bedstead, one end of the slide bar is fixed on a slide bar frame, a slide sleeve is arranged at one end of the slide bar, which is far away from the slide bar frame, and a short hook and a long hook are hung on the slide sleeve at a certain distance; the lead screw is driven to move upwards by rotating the hand wheel shaft, the lead screw pushes up the slide bar frame, so that the slide bars are upwarped, and the drag hooks on the long and short hooks are also upwarped along with the slide bars and move linearly to open the intercostal space to enter the thoracic cavity for surgery. The invention has the beneficial effects that: the retractor with different types can be hung according to the operation requirement to adjust the size expansion range suitable for the sternum, the chest wall and the chest cavity, thereby achieving the optimal exposure effect; medical staff can accurately adjust and expand the sizes of the sternum, the chest wall and the chest cavity by directly operating the instrument without the help of hand force; is suitable for the thoracoscope operation treatment of breast cancer, thyroid cancer, lung cancer, esophageal cancer and other thoracic diseases.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a draw hook for thoracic cavity surgery.
Background
In thoracic cavity operation, under the current medical conditions, medical staff generally need to hold the draw hook by hand to expand sternum, chest wall and thoracic cavity size with the help of hand strength, such operation is not only hard but also difficult to realize accurate adjustment control, also brought very big puzzlement for the medical staff that hand strength is less simultaneously, is unfavorable for operation safety high efficiency to go on. In addition, when the operation part is deep, the operation visual field is difficult to be fully exposed only by the existing medical apparatus, the light source is difficult to directly irradiate into the thoracic cavity, and great difficulty is increased for the smooth operation.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the draw hook for thoracic cavity surgery, which has the characteristics of simple structure, convenient operation, good safety and good surgical exposure.
The purpose of the invention is achieved by the following technical scheme: the draw hook for thoracic cavity operation mainly comprises a bed frame, wherein a slide bar is arranged on the bed frame, one end of the slide bar is fixed on a slide bar frame, a slide sleeve is arranged at one end of the slide bar far away from the slide bar frame, and a short hook and a long hook are hung on the slide sleeve at a certain distance; an inner tube is arranged below the sliding rod frame, a screw rod sleeve provided with a screw rod is arranged in the inner tube, the tightness is adjusted by rotating a guide nail on the right side of the sliding rod frame to movably fix the screw rod, and the inner tube is arranged in the outer tube; the lower end of the screw rod is arranged in a bearing sleeve, a bearing is arranged in the bearing sleeve, and the bearing is abutted to the clamp spring; the tail end of the screw rod penetrates into the main body and is meshed with a gear in the main body, the gear, the driven shaft and the driving shaft are mutually linked and installed in a driving wheel seat, the driving wheel seat is fixed on the outer pipe through inner hexagonal screws on two sides, the driving shaft is connected with a hand wheel, a hand wheel sheet is arranged on the hand wheel, the hand wheel sheet is connected and fixed with a hand wheel shaft through fastening nails, and a hand wheel sleeve is sleeved outside the hand wheel shaft; the outer tube seat of setting bottom the outer tube passes the positioning seat, is equipped with the outer core of fastening and fastens the inner core in the positioning seat, and the positioning seat left side is equipped with locating pin, bedstead seat, and the right side is equipped with the forcing rod, drives the locking screw that sets up on the forcing rod through rotatory forcing rod with locking bedstead seat and bedstead.
Furthermore, an adjustable draw hook is hung on the short hook, and the adjustable draw hook consists of a hanging rod, a main rod seat, a locking wheel, a positioning pin, a splicing cap, an adjusting wheel, an adjustable draw hook joint, a movable rod seat, a main rod, a movable rod, a positioning hook, a movable draw hook and a sealing sheet; the one end trompil of peg is used for hanging puts adjustable drag hook, and the other end suit of peg is on the main jib seat, and the locking wheel passes through the locating pin suit on the main jib seat, is equipped with the main jib in the main jib seat, moves the pole suit in the main jib, moves the pole top and sets up movable rod seat and is connected fixedly through piecing the cap with the main jib seat, moves the pole seat and goes up the cover and be equipped with the regulating wheel, moves pole seat top and sets up adjustable drag hook and connect, and the fixed drag hook is connected to the main jib bottom, moves the pole bottom and connects and move the.
Furthermore, the long hook can be replaced and hung into a breast hook or a left hook or a right hook according to the requirement of the surgical site.
The milk drag hook comprises leaded light interface, head, fiber connector, milk drag hook pipe, optic fibre and drag hook A, and optic fibre is installed in milk drag hook pipe, and the optic fibre head sets up the head and installs fiber connector, and milk drag hook pipe head installation leaded light interface, and milk drag hook is hung through drag hook A and is put on long couple.
The left and right draw hooks are composed of draw hooks B and pipes with joints, and the draw hooks B face opposite directions and are hung on the long hook through the draw hooks B.
The invention has the beneficial effects that:
1. the retractor can be hung in different types according to the operation requirement to adjust the size expansion range of the sternum, the chest wall and the chest cavity, thereby achieving the optimal exposure effect, more effectively and fully exposing the operation visual field and the anatomical structure and being beneficial to better operation effect;
2. medical staff can accurately adjust and expand the sizes of the sternum, the chest wall and the chest cavity by directly operating the instrument without the help of hand force;
3. the light guide interface arranged on the drag hook can be placed with a light guide optical fiber to play a role in illumination, the visibility inside the thoracic cavity is improved, and the defect that the surgical field of vision is difficult to be fully exposed due to the fact that the surgical part is deep, a light source is difficult to irradiate into the thoracic cavity, and the surgical field of vision is insufficient is effectively overcome;
4. is suitable for the thoracoscope operation treatment of breast cancer, thyroid cancer, lung cancer, esophageal cancer and other thoracic diseases.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a side view of the structure of the present invention.
Fig. 4 is a structural section view of the adjustable drag hook.
Fig. 5 is a top view of the adjustable retractor.
Fig. 6 is a schematic structural view of the breast retractor.
Fig. 7 is a schematic structural view of the left retractor.
Fig. 8 is a schematic structural view of the right retractor.
Description of reference numerals: the device comprises a sliding rod 1, a sliding sleeve 2, a short hook 3, a long hook 4, a sliding rod frame 5, a guide nail 6, a screw rod 7, a screw rod sleeve 8, a bearing sleeve 9, a bearing 10, a clamp spring 11, a driving wheel seat 12, a hand wheel sheet 13, a hand wheel 14, a fastening nail 15, a hand wheel shaft 16, a hand wheel sleeve 17, a stressing rod 18, a positioning seat 19, a positioning pin 20, a bed frame seat 21, a locking screw 22, an outer tube seat 23, a fastening inner core 24, a fastening outer core 25, a main body 26, a driving shaft 27, a gear 28, a driven shaft 29, an outer tube 30, an inner tube 31, an inner hexagon screw 32, a bed frame 33, an adjustable draw hook 34, a hanging rod 34-1, a main rod seat 34-2, a locking wheel 34-3, a positioning pin 34-4, a split cap 34-5, an adjusting wheel 34-6, an adjustable draw hook joint 34-7, a moving rod seat 34-8, a, The device comprises a movable draw hook 34-12, a sealing piece 34-13, a milk draw hook 35, a light guide interface 35-1, a sealing head 35-2, an optical fiber connector 35-3, a milk draw hook pipe 35-4, an optical fiber 35-5, a draw hook A35-6, a left draw hook 36, a right draw hook 37, a draw hook B38, a connector 39 and a pipe 40.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawings, the retractor for thoracic cavity surgery mainly comprises a bedstead 33, wherein a slide bar 1 is arranged on the bedstead 33, one end of the slide bar 1 is fixed on a slide bar frame 5, a slide sleeve 2 is arranged on one end of the slide bar 1 far away from the slide bar frame 5, and a short hook 3 and a long hook 4 are hung on the slide sleeve 2 at a certain interval; an inner tube 31 is arranged below the sliding rod frame 5, a screw rod sleeve 8 provided with a screw rod 7 is arranged in the inner tube 31, the tightness is adjusted by rotating a guide nail 6 on the right side of the sliding rod frame 5 to movably fix the screw rod 7, and the inner tube 31 is arranged in an outer tube 30; the lower end of the screw rod 7 is arranged in a bearing sleeve 9, a bearing 10 is arranged in the bearing sleeve 9, and the bearing 10 is abutted to a clamp spring 11; the tail end of the screw rod 7 penetrates into a main body 26 and is meshed with a gear 28 in the main body 26, the gear 28, a driven shaft 29 and a driving shaft 27 are mutually installed in a driving wheel seat 12 in a linkage manner, the driving wheel seat 12 is fixed on an outer pipe 30 through inner hexagonal screws 32 on two sides, the driving shaft 27 is connected with a hand wheel 14, a hand wheel sheet 13 is arranged on the hand wheel 14, the hand wheel sheet 13 and a hand wheel shaft 16 are fixedly connected through fastening nails 15, and a hand wheel sleeve 17 is sleeved outside the hand wheel shaft 16; the outer tube seat 23 arranged at the bottom of the outer tube 30 passes through the positioning seat 19, the fastening outer core 25 and the fastening inner core 24 are arranged in the positioning seat 19, the positioning pin 20 and the bedstead seat 21 are arranged on the left side of the positioning seat 19, the stressing rod 18 is arranged on the right side of the positioning seat, and the locking screw 22 arranged on the stressing rod 18 is driven by rotating the stressing rod 18 so as to lock the bedstead seat 21 and the bedstead 33.
Preferably, an adjustable draw hook 34 is hung on the short hook 3, and the adjustable draw hook 34 consists of a hanging rod 34-1, a main rod seat 34-2, a locking wheel 34-3, a positioning pin 34-4, a splicing cap 34-5, an adjusting wheel 34-6, an adjustable draw hook joint 34-7, a moving rod seat 34-8, a main rod 34-9, a moving rod 34-10, a positioning hook 34-11, a moving draw hook 34-12 and a sealing sheet 34-13; one end of the hanging rod 34-1 is provided with a hole for hanging the adjustable draw hook 34, the other end of the hanging rod 34-1 is sleeved on the main rod seat 34-2, the locking wheel 34-3 is sleeved on the main rod seat 34-2 through the positioning pin 34-4, the main rod 34-9 is arranged in the main rod seat 34-2, the moving rod 34-10 is sleeved in the main rod 34-9, the top of the moving rod 34-10 is provided with a moving rod seat 34-8 and is fixedly connected with the main rod seat 34-2 through a split cap 34-5, the moving rod seat 34-8 is sleeved with an adjusting wheel 34-6, the top of the moving rod seat 34-8 is provided with an adjustable draw hook joint 34-7, the bottom of the main rod 34-2 is connected with a fixed draw hook 34-11, the bottom of the moving rod 34-10 is connected with a moving draw hook 34-12, and the lower end of the moving draw hook 34-12 is provided with a sealing sheet 34-13.
Preferably, the long hook 4 can be hung on the breast hook 35 or the left hook 36 or the right hook 37 in a replacement manner according to the requirement of the surgical site; the breast hook 35 consists of a light guide interface 35-1, an end enclosure 35-2, an optical fiber connector 35-3, a breast hook pipe 35-4, an optical fiber 35-5 and a hook A35-6, wherein the optical fiber 35-5 is installed in the breast hook pipe 35-4, the end enclosure 35-2 is arranged at the head of the optical fiber 35-5, the optical fiber connector 35-3 is installed at the head of the breast hook pipe 35-4, the light guide interface 35-1 is installed at the head of the breast hook pipe 35-4, and the breast hook 35 is hung on the long hook 4 through the hook A35-6; the left and right draw hooks 36 and 37 are both composed of a draw hook B38 and a pipe 40 with a joint 39, and the draw hooks are oppositely oriented and hung on the long hook 4 through a draw hook B38.
The working process of the invention is as follows: during surgery, the lead screw 7 is driven to move upwards by rotating the hand wheel shaft 16, the lead screw 7 pushes the sliding rod frame 5 upwards, the sliding rod 1 is enabled to upwarp, the draw hooks on the long and short hooks 3 and 4 are also upwarp along with the sliding rod 1 and move linearly to expand intercostal gaps to enter the thoracic cavity for surgery, the adjustable draw hook 34 is hung on the short hook 3, the draw hooks of different types such as a breast draw hook 35, a left draw hook 36 and a right draw hook 37 are hung on the long hook 4 according to surgery requirements to adjust the size expansion range of the sternum, the chest wall and the thoracic cavity, the light guide interface 35-1 can be placed with the optical fiber 35-5 for illumination, and the visual definition of the interior of the thoracic cavity is improved.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (5)
1. A drag hook for thoracic cavity operation which is characterized in that: the novel bed mainly comprises a bed frame (33), wherein a sliding rod (1) is arranged on the bed frame (33), one end of the sliding rod (1) is fixed on a sliding rod frame (5), a sliding sleeve (2) is arranged at one end, far away from the sliding rod frame (5), of the sliding rod (1), and a short hook (3) and a long hook (4) are hung on the sliding sleeve (2) at a certain interval; an inner tube (31) is arranged below the sliding rod frame (5), a screw rod sleeve (8) provided with a screw rod (7) is arranged in the inner tube (31), the tightness is adjusted by rotating a guide nail (6) on the right side of the sliding rod frame (5) to movably fix the screw rod (7), and the inner tube (31) is arranged in an outer tube (30); the lower end of the screw rod (7) is arranged in a bearing sleeve (9), a bearing (10) is arranged in the bearing sleeve (9), and the bearing (10) is abutted to a clamp spring (11); the tail end of the screw rod (7) penetrates into the main body (26) and is meshed with a gear (28) in the main body (26), the gear (28), a driven shaft (29) and a driving shaft (27) are mutually linked and installed in a driving wheel seat (12), the driving wheel seat (12) is fixed on an outer pipe (30) through inner hexagon screws (32) on two sides, the driving shaft (27) is connected with a hand wheel (14), a hand wheel sheet (13) is arranged on the hand wheel (14), the hand wheel sheet (13) and a hand wheel shaft (16) are connected and fixed through fastening nails (15), and a hand wheel sleeve (17) is sleeved outside the hand wheel shaft (16); the outer tube seat (23) arranged at the bottom of the outer tube (30) penetrates through the positioning seat (19), the fastening outer core (25) and the fastening inner core (24) are arranged in the positioning seat (19), the positioning pin (20) and the bed frame seat (21) are arranged on the left side of the positioning seat (19), the reinforcing rod (18) is arranged on the right side of the positioning seat (19), and the locking screw (22) arranged on the reinforcing rod (18) is driven by rotating the reinforcing rod (18) to lock the bed frame seat (21) and the bed frame (33).
2. The retractor for thoracic surgery as set forth in claim 1, wherein: an adjustable draw hook (34) is hung on the short hook (3), and the adjustable draw hook (34) consists of a hanging rod (34-1), a main rod seat (34-2), a locking wheel (34-3), a positioning pin (34-4), a split cap (34-5), an adjusting wheel (34-6), an adjustable draw hook joint (34-7), a movable rod seat (34-8), a main rod (34-9), a movable rod (34-10), a positioning hook (34-11), a movable draw hook (34-12) and a sealing sheet (34-13); one end of the hanging rod (34-1) is provided with a hole for hanging an adjustable draw hook (34), the other end of the hanging rod (34-1) is sleeved on the main rod seat (34-2), the locking wheel (34-3) is sleeved on the main rod seat (34-2) through the positioning pin (34-4), the main rod (34-9) is arranged in the main rod seat (34-2), the moving rod (34-10) is sleeved in the main rod (34-9), the top of the moving rod (34-10) is provided with the moving rod seat (34-8) and is fixedly connected with the main rod seat (34-2) through the split cap (34-5), the moving rod seat (34-8) is sleeved with the adjusting wheel (34-6), the top of the moving rod seat (34-8) is provided with the adjustable draw hook joint (34-7), the bottom of the main rod (34-2) is connected with the fixed draw hook (34-11), the bottom of the moving rod (34-10) is connected with a movable draw hook (34-12), and the lower end of the movable draw hook (34-12) is provided with a sealing sheet (34-13).
3. The retractor for thoracic surgery as set forth in claim 1 or 2, wherein: the long hook (4) can be replaced and hung into a breast hook (35), a left hook (36) or a right hook (37) according to the requirement of the operation position.
4. The retractor for thoracic surgery as set forth in claim 3, wherein: the milk drag hook (35) is composed of a light guide interface (35-1), an end enclosure (35-2), an optical fiber connector (35-3), a milk drag hook pipe (35-4), an optical fiber (35-5) and a drag hook A (35-6), wherein the optical fiber (35-5) is installed in the milk drag hook pipe (35-4), the end enclosure (35-2) is arranged at the head of the optical fiber (35-5) and the optical fiber connector (35-3) is installed, the light guide interface (35-1) is installed at the head of the milk drag hook pipe (35-4), and the milk drag hook (35) is hung on the long hook (4) through the drag hook A (35-6).
5. The retractor for thoracic surgery as set forth in claim 3, wherein: the left and right draw hooks (36, 37) are both composed of a draw hook B (38) and a pipe (40) with a joint (39), and the draw hooks are oppositely faced and hung on the long hook (4) through the draw hook B (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973349.6A CN110786895A (en) | 2019-10-14 | 2019-10-14 | Retractor for thoracic cavity operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973349.6A CN110786895A (en) | 2019-10-14 | 2019-10-14 | Retractor for thoracic cavity operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110786895A true CN110786895A (en) | 2020-02-14 |
Family
ID=69439034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910973349.6A Pending CN110786895A (en) | 2019-10-14 | 2019-10-14 | Retractor for thoracic cavity operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110786895A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201642136U (en) * | 2009-10-23 | 2010-11-24 | 张春华 | Strut type abdominal retractor |
| JP2015208560A (en) * | 2014-04-28 | 2015-11-24 | 京セラメディカル株式会社 | Retractor fixing mechanism and retractor fixing device |
| RU2674233C1 (en) * | 2017-08-28 | 2018-12-05 | Общество с ограниченной ответственностью "Производственно-техническое объединение "МЕДТЕХНИКА" (ООО "ПТО "МЕДТЕХНИКА") | Retractor-lift of sternum and costal arches |
| CN211862872U (en) * | 2019-10-14 | 2020-11-06 | 桐庐万禾医疗器械有限公司 | Draw hook for thoracic cavity operation |
-
2019
- 2019-10-14 CN CN201910973349.6A patent/CN110786895A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201642136U (en) * | 2009-10-23 | 2010-11-24 | 张春华 | Strut type abdominal retractor |
| JP2015208560A (en) * | 2014-04-28 | 2015-11-24 | 京セラメディカル株式会社 | Retractor fixing mechanism and retractor fixing device |
| RU2674233C1 (en) * | 2017-08-28 | 2018-12-05 | Общество с ограниченной ответственностью "Производственно-техническое объединение "МЕДТЕХНИКА" (ООО "ПТО "МЕДТЕХНИКА") | Retractor-lift of sternum and costal arches |
| CN211862872U (en) * | 2019-10-14 | 2020-11-06 | 桐庐万禾医疗器械有限公司 | Draw hook for thoracic cavity operation |
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