CN217244553U - Operation incision struts ware - Google Patents
Operation incision struts ware Download PDFInfo
- Publication number
- CN217244553U CN217244553U CN202123404248.9U CN202123404248U CN217244553U CN 217244553 U CN217244553 U CN 217244553U CN 202123404248 U CN202123404248 U CN 202123404248U CN 217244553 U CN217244553 U CN 217244553U
- Authority
- CN
- China
- Prior art keywords
- supporting
- clamping
- distractor
- supporting ring
- spreader
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model provides a surgical incision spreader, which comprises a spreading ring and an adjusting mechanism, wherein two free ends are formed at two ends of the spreading ring in a breaking way; the adjusting mechanism is respectively connected with the two free ends of the supporting ring, and the adjusting mechanism can drive the two free ends of the supporting ring to relatively expand or contract along the circumferential direction to adjust the opening of the spreader. The utility model can realize the opening or closing of the spreader conveniently and quickly, and is convenient to use; the spreader is spread to be round or oval, thereby avoiding the opening of the incision part of the operation from sinking inwards to form a flat spreading opening and enlarging the area of the working area in the spreader.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to operation incision struts ware.
Background
When performing a surgical operation on the inside of a human body, after a superficial incision is cut, a doctor needs to use a spreader to spread the incised skin tissue so as to operate the surgical site inside the human body. At present, a medical spreader mainly comprises mechanisms such as a medical drag hook and a clamp-type spreader, the spreader vertically spreads incised skin tissues in the incision direction, and two ends of an incision contract inwards relatively to form an oblong structure, so that the area for operation is small, and medical operation of a doctor is not facilitated; and the spreader is easy to tear the two ends of the incision, which is not beneficial to the protection of the wound.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a surgical incision spreader to solve the problems of the spreader in the background art.
In order to solve the technical problem, the utility model provides an operation incision struts ware, struts the ware and includes:
the two ends of the supporting ring are cut off to form two free ends;
and the adjusting mechanism is respectively connected with the two free ends of the supporting ring, and can drive the two free ends of the supporting ring to relatively expand or contract along the circumferential direction to adjust the opening of the spreader.
Preferably, two free ends of the supporting ring are respectively a fixed end and a movable end;
the adjusting mechanism comprises a supporting part which is arranged corresponding to the fixed end, a driving gear is arranged in the supporting part, a driving shaft connected with the driving gear is arranged on the supporting part, and a driving mechanism is arranged at the upper end of the driving shaft in a matched mode; and transmission racks are distributed on the inner side of the movable end along the circumferential direction of the supporting ring and are in meshed transmission with the driving gear.
Preferably, the supporting part is a supporting shell fixedly arranged on the inner side of the fixed end; the supporting ring body and the supporting shell are correspondingly provided with a slot for one side of the driving gear to pass through, and one side of the driving gear passes through the slot to be meshed and connected with the transmission rack.
Preferably, the supporting part is a supporting clamping plate which is fixedly arranged on the outer side of the fixed end and is arranged oppositely up and down; the drive gear is arranged between the two supporting clamping plates.
Preferably, the supporting part is a clamping sleeve, and two clamping grooves are arranged on two sides of the clamping sleeve in parallel;
the fixed end and the movable end are respectively clamped in the clamping groove; the driving gear is arranged in the clamping sleeve and is connected with the transmission rack inner core.
Preferably, the fixed end is fixedly connected with the clamping sleeve.
Preferably, the fixed ends are connected in a sliding manner along clamping grooves in the clamping sleeve, and a transmission rack is arranged on the outer sides of the fixed ends along the circumferential direction of the supporting rings; the fixed end is in transmission connection with the driving gear through a transmission rack.
Preferably, the movable end is provided with two clamping guide bars which are arranged in parallel up and down on the transmission rack; a plurality of clamping blocks are arranged on the outer side of the fixed end and correspond to the clamping guide strip at equal intervals.
Preferably, the drive mechanism is a rotating handwheel or a drive motor.
Preferably, the upper edge and the lower edge of the support ring body are turned outwards along the circumference of the support ring body to form a turned edge.
The above technical scheme of the utility model at least include following technological effect:
1. the spreader can be opened or closed conveniently and rapidly, and is convenient to use;
2. the spreader of the embodiment of the application is spread to be circular or elliptical, so that the opening of the incision part of the operation is prevented from being sunken inwards to form a flat spreading opening, and the using effect of the spreader is prevented from being influenced;
3. according to the embodiment of the application, the clamping mechanism arranged between the jointing parts of the two free ends of the supporting ring can ensure that the two free ends of the supporting ring are relatively jointed in the mutual movement process, so that the outer ring is jointed after the supporting ring is unfolded, the outer side surface of the supporting ring is smooth, and new damage to skin tissues inside the incision cannot be caused;
4. the ring body upper and lower edges of propping of this application embodiment are along its circumference outwards upset formation turn over edge, prop the ring and turn over edge structure and make the spreader outer fringe form arc draw-in groove structure to make incision skin tissue joint in spreader arc draw-in groove, avoid skin tissue to turn over out the ring outer fringe, the influence spreader result of use.
Drawings
FIG. 1 is a top view of a distractor structure according to one embodiment of the present disclosure;
fig. 2 is an enlarged schematic view of the structure of the distractor a in fig. 1;
FIG. 3 is a cross-sectional view of the distractor of FIG. 1 taken along line A-A;
fig. 4 is an enlarged schematic view of the distractor B in fig. 1;
FIG. 5 is a structural cross-sectional view of the distractor of FIG. 1 taken along line B-B;
FIG. 6 is a cross-sectional view of a distractor A-A of another embodiment of the present application;
FIG. 7 is a cross-sectional view of a distractor A-A of another embodiment of the present application.
Reference numerals:
1. supporting a ring; 101. a fixed end; 102. a movable end; 103. turning over edges; 2. clamping the guide strip; 3. a drive rack; 4. an adjustment mechanism; 5. rotating a hand wheel; 6. a support housing; 7. a drive gear; 8. a clamping block; 9. a drive shaft; 10. a supporting clamping plate; 11. clamping and sleeving; 12. a clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying fig. 1 to 7 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
A surgical incision spreader comprises a spreading ring 1, wherein two free ends are formed by cutting off two ends of the spreading ring 1; and the adjusting mechanism 4 is respectively connected with the two free ends of the supporting ring, and can drive the two free ends of the supporting ring to relatively expand or contract along the circumferential direction to adjust the opening of the spreader.
Example 1:
specific examples are as follows, as shown in FIGS. 1-5: an operation incision dilator comprises a supporting ring 1, wherein two free ends of the supporting ring 1, which are formed by breaking two ends, are respectively a fixed end 101 and a movable end 102; the adjusting mechanism comprises a supporting part which is arranged corresponding to the fixed end and is a supporting shell 6, a driving gear 7 is horizontally arranged in the supporting shell, a driving shaft 9 connected with the driving gear is rotatably arranged on the supporting shell, and a driving mechanism is arranged at the upper end of the driving shaft in a matching way; the inner side of the movable end is distributed with a transmission rack 3 along the circumferential direction of the supporting ring, and the transmission rack is in meshing transmission with the driving gear; the driving mechanism is a driving motor or a rotating hand wheel, and drives the driving shaft to rotate through the driving mechanism, so that the driving gear drives the transmission rack to drive the movable end of the supporting ring to expand or contract along the outer side of the fixed end in a reciprocating manner, and the opening degree of the supporting ring is conveniently adjusted; namely, the opening of the spreader is adjusted to be minimum for convenient storage during ordinary storage; when the medical dilator is used, the driving mechanism drives the driving shaft and the driving gear to realize that the dilator is opened to fix a wound of a patient. In the embodiment, the spreader can be opened or closed conveniently and rapidly, and is convenient to use; in addition, the spreader is spread to be circular or oval, so that the influence on the using effect of the spreader caused by the fact that part of the opening is inwards sunken can be avoided.
In this embodiment, as shown in fig. 3-5, two clamping guide bars 2 are arranged in parallel at the movable end above and below the transmission rack; a plurality of clamping blocks 8 are arranged on the outer side of the fixed end and correspond to the clamping guide bar at equal intervals; preferably, two sets of clamping blocks are correspondingly arranged on the outer side of the fixed end and two sides of the supporting shell, and the clamping blocks are correspondingly clamped on the clamping guide bar. In this embodiment, the clamping mechanism disposed at the outer side of the supporting shell can keep the fixed end and the outer side of the movable end in relative fit during the mutual movement of the two free ends of the supporting ring, so as to keep the outer ring in fit after the supporting ring is spread; in addition, the clamping structure of the arrangement can enable the outer side surface of the supporting ring to be smooth, and new damage to the inner side of the notch cannot be caused.
Example 2:
the specific embodiment is as follows, as shown in fig. 6: an operation incision dilator comprises a supporting ring 1, wherein two free ends of the supporting ring 1, which are formed by breaking two ends, are respectively a fixed end 101 and a movable end 102; the adjusting mechanism comprises two groups of supporting clamping plates 10 which are provided with supporting parts corresponding to the fixed ends and are fixedly arranged on the outer sides of the fixed ends 101 and are arranged oppositely up and down; the driving gear is arranged between the two supporting clamping plates; a driving shaft 9 connected with the driving gear is rotatably arranged on the supporting clamping plate, and a driving mechanism is arranged at the upper end of the driving shaft in a matching way; the inner side of the movable end is distributed with a transmission rack 3 along the circumferential direction of the supporting ring, and the transmission rack is in meshing transmission with the driving gear; the driving mechanism is a driving motor or a rotating hand wheel, and drives the driving shaft to rotate through the driving mechanism, so that the driving gear drives the transmission rack to drive the movable end of the supporting ring to expand or contract along the outer side of the fixed end in a reciprocating manner, and the opening degree of the supporting ring is conveniently adjusted; namely, the opening degree of the spreader is adjusted to be minimum so as to be convenient for storage during ordinary storage; when the medical dilator is used, the driving mechanism drives the driving shaft and the driving gear, so that the dilator is opened to fix a wound of a patient. In the embodiment, the spreader can be opened or closed conveniently and rapidly, and is convenient to use; in addition, the distractor is in a circular or oval shape in distraction, so that the influence on the using effect of the distractor caused by the inward recess of part of the opening can be avoided.
In this embodiment, as shown in fig. 5-6, two clamping guide bars 2 are arranged in parallel at the movable end above and below the transmission rack; a plurality of clamping blocks 8 are arranged on the outer side of the fixed end and correspond to the clamping guide bar at equal intervals; in addition, the front end of the supporting clamping plate can serve as a clamping block to act and be correspondingly clamped on the clamping guide bar, so that the movement of the movable end relative to the fixed end is met. In the embodiment, the clamping mechanism arranged between the two free ends of the supporting ring can keep the fixed end and the outer side of the movable end to be relatively attached in the process of mutual movement of the two free ends of the supporting ring, so that the outer ring is attached after the supporting ring is expanded; in addition, the clamping structure of the arrangement can enable the outer side surface of the supporting ring to be smooth, and new damage to the inner side of the notch cannot be caused.
Example 3:
the specific embodiment is as follows, as shown in fig. 7: an operation incision dilator comprises a supporting ring 1, wherein two free ends of the supporting ring 1, which are formed by breaking two ends, are respectively a fixed end 101 and a movable end 102; the adjusting mechanism comprises a supporting part which is arranged corresponding to the fixed end, the supporting part is a clamping sleeve 11, and two clamping grooves 12 are arranged on two sides of the clamping sleeve in parallel; the fixed end 101 and the movable end 102 are respectively clamped in the clamping grooves; the driving gear is arranged in the clamping sleeve and is connected with the inner core of the transmission rack, and the fixed end is fixedly connected with the clamping sleeve; a driving shaft 9 connected with the driving gear is rotatably arranged on the clamping sleeve, and the upper end of the driving shaft is provided with a driving mechanism in a matching way; the transmission rack 3 is distributed on the inner side of the movable end along the circumferential direction of the supporting ring, and the transmission rack is in meshing transmission with the driving gear; the driving mechanism is a driving motor or a rotating hand wheel, and drives the driving shaft to rotate through the driving mechanism, so that the driving gear drives the transmission rack to drive the movable end of the supporting ring to expand or contract along the outer side of the fixed end in a reciprocating manner, and the opening degree of the supporting ring is conveniently adjusted; namely, the opening degree of the spreader is adjusted to be minimum so as to be convenient for storage during ordinary storage; when the medical dilator is used, the driving mechanism drives the driving shaft and the driving gear to realize that the dilator is opened to fix a wound of a patient. In the embodiment, the spreader can be opened or closed conveniently and rapidly, and is convenient to use; in addition, the distractor is in a circular or oval shape in distraction, so that the influence on the using effect of the distractor caused by the inward recess of part of the opening can be avoided.
In this embodiment, as shown in fig. 4-5 and 7, two clamping guide bars 2 are arranged at the movable end in parallel up and down on the transmission rack; a plurality of clamping blocks 8 are arranged on the outer side of the fixed end and correspond to the clamping guide strip at equal intervals, and the clamping blocks are correspondingly clamped on the clamping guide strip, so that the motion of the movable end relative to the fixed end is met. In this embodiment, the clamping mechanism disposed between the two free ends of the supporting ring can keep the fixed end and the outer side of the movable end in relative contact with each other during the mutual movement of the two free ends of the supporting ring, so as to keep the outer ring in contact with each other after the supporting ring is spread; in addition, the clamping structure of the arrangement can enable the outer side surface of the supporting ring to be smooth, and new damage to the inner side of the notch cannot be caused.
Example 4:
the specific embodiment is as follows, as shown in fig. 7: a surgical incision spreader comprises a spreading ring 1, wherein two free ends of the spreading ring 1 are formed by cutting off two ends; the adjusting mechanism comprises supporting parts which are arranged corresponding to the two free ends of the supporting ring, the supporting parts are clamping sleeves 11, and two clamping grooves 12 are arranged on the two sides of each clamping sleeve in parallel; two free ends of the supporting ring are respectively clamped in the clamping grooves; the driving gear is arranged in the clamping sleeve and is meshed and connected with the transmission rack; a driving shaft 9 connected with the driving gear is rotatably arranged on the clamping sleeve, and the upper end of the driving shaft is provided with a driving mechanism in a matching way; two free ends of the supporting ring are oppositely provided with two groups of transmission racks 3 along the circumferential direction of the supporting ring, and two sides of the driving gear are in transmission connection with the transmission racks; the driving mechanism is a driving motor or a rotating hand wheel, and drives the driving shaft to rotate through the driving mechanism, so that the driving gear drives the transmission racks at the two free ends to drive the two free ends of the supporting ring to expand or contract in a reciprocating manner, and the opening degree of the supporting ring is conveniently adjusted; namely, the opening degree of the spreader is adjusted to be minimum so as to be convenient for storage during ordinary storage; when the medical dilator is used, the driving mechanism drives the driving shaft and the driving gear to realize that the dilator is opened to fix a wound of a patient. In the embodiment, the spreader can conveniently and rapidly realize the bidirectional opening or closing of the two free ends of the spreader, and rapidly realize the opening adjustment of the spreader; in addition, the distractor is in a circular or oval shape in distraction, so that the influence on the using effect of the distractor caused by the inward recess of part of the opening can be avoided.
In this embodiment, as shown in fig. 4-5 and 7, two clamping guide bars 2 are arranged in parallel at a free end of the outer side of the supporting ring above and below the transmission rack; a plurality of clamping blocks 8 are arranged on the outer side of a free end of the opposite inner side of the supporting ring and correspond to the clamping guide bar at equal intervals, and the clamping blocks are correspondingly clamped on the clamping guide bar, so that the two free ends of the supporting ring can be attached to move. In this embodiment, the clamping mechanism disposed between the two free ends of the supporting ring can keep the fixed end and the outer side of the movable end in relative contact with each other during the mutual movement of the two free ends of the supporting ring, so as to keep the outer ring in contact with each other after the supporting ring is spread; in addition, the clamping structure can enable the outer side surface of the supporting ring to be flat, and new damage to the inner side of the incised skin tissue can not be caused.
Based on the embodiments 1-4, the upper edge and the lower edge of the supporting ring body are outwards turned along the circumference to form the turned edges 103, and the two free ends of the supporting ring can be attached together when being unfolded or condensed, so that the outer circumference of the spreader forms a good annular structure, and the spreader is convenient to use; in addition, the structure is turned over along to the lock ring makes the spreader outer fringe form the arc draw-in groove structure to make incision skin tissue joint in spreader arc draw-in groove, avoid skin tissue to turn out outer fringe about the spreader lock ring, influence the result of use of spreader.
The utility model discloses a use method or theory of operation:
the spreader comprises a supporting ring and an adjusting mechanism matched with the supporting ring; two free ends of the supporting ring are formed by breaking two ends of the supporting ring; the adjusting mechanism is respectively connected with the two free ends of the supporting ring, and can drive the two free ends of the supporting ring to relatively expand or contract along the circumferential direction to adjust the opening of the spreader; the adjusting mechanism mainly comprises a supporting part for fixing the driving shaft and the driving gear, and a transmission rack which is matched with the two free ends of the supporting ring, the driving gear can be driven to rotate by the driving mechanism which is matched with the driving shaft, so that the two free ends of the supporting ring can be driven to relatively expand or contract through the meshing transmission of the driving gear and the transmission rack, and the opening degree of the supporting ring can be conveniently adjusted; namely, the opening degree of the spreader is adjusted to be minimum so as to be convenient for storage during ordinary storage; when the dilator is used, the driving mechanism drives the driving shaft and the driving gear to realize that the dilator is opened to fix a wound of a patient; two clamping guide bars and a plurality of clamping blocks clamped on the clamping guide bars are arranged between the two free ends of the supporting ring and are positioned on the transmission rack in an up-and-down parallel mode, so that the two free ends of the supporting ring can keep relative fitting in the mutual movement process, and the outer ring can be fitted after the supporting ring is unfolded.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should be regarded as the protection scope of the present invention.
Claims (10)
1. A surgical incision distractor, characterized in that the distractor comprises:
the supporting ring (1), two free ends are formed by cutting off two ends of the supporting ring (1);
and the adjusting mechanism (4) is respectively connected with the two free ends of the supporting ring, and can drive the two free ends of the supporting ring to relatively expand or condense along the circumferential direction to adjust the opening of the spreader.
2. A surgical incision distractor as recited in claim 1, wherein: two free ends of the supporting ring (1) are respectively a fixed end (101) and a movable end (102);
the adjusting mechanism comprises a supporting part which is arranged corresponding to the fixed end, a driving gear (7) is arranged in the supporting part, a driving shaft (9) connected with the driving gear is arranged on the supporting part, and a driving mechanism is arranged at the upper end of the driving shaft in a matching manner; and a transmission rack (3) is distributed on the inner side of the movable end along the circumferential direction of the supporting ring, and the transmission rack is in meshing transmission with the driving gear.
3. A surgical incision distractor as recited in claim 2, wherein: the supporting part is a supporting shell (6) fixedly arranged on the inner side of the fixed end (101); the supporting ring body and the supporting shell are correspondingly provided with a notch for one side of the driving gear to pass through, and one side of the driving gear passes through the notch to be meshed and connected with the transmission rack.
4. A surgical incision distractor as recited in claim 2, wherein: the supporting part is a supporting clamping plate (10) which is fixedly arranged on the outer side of the fixed end (101) and is arranged oppositely up and down; drive gear locates between two support cardboards.
5. A surgical incision distractor as recited in claim 2, wherein: the supporting part is a clamping sleeve (11), and two clamping grooves (12) are arranged on two sides of the clamping sleeve in parallel;
the fixed end (101) and the movable end (102) are respectively clamped in the clamping grooves; the driving gear is arranged in the clamping sleeve and is connected with the transmission rack inner core.
6. A surgical incision distractor as recited in claim 5, wherein: the fixed end is fixedly connected with the clamping sleeve.
7. A surgical incision distractor as recited in claim 5, wherein: the fixed ends are connected in a sliding mode along clamping grooves in the clamping sleeves, and a transmission rack (3) is arranged on the outer sides of the fixed ends along the circumferential direction of the supporting rings; the fixed end is in transmission connection with the driving gear through the transmission rack.
8. A surgical incision spreader as claimed in any one of claims 2 to 7, wherein: two clamping guide bars (2) are arranged at the movable end in parallel up and down on the transmission rack; a plurality of clamping blocks (8) are arranged on the outer side of the fixed end and correspond to the clamping guide strip at equal intervals.
9. A surgical incision distractor as recited in claim 2, wherein: the driving mechanism is a rotating hand wheel (5) or a driving motor.
10. A surgical incision distractor as recited in claim 8, wherein: the upper edge and the lower edge of the body of the support ring (1) are outwards turned along the circumference to form a turned edge (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123404248.9U CN217244553U (en) | 2021-12-31 | 2021-12-31 | Operation incision struts ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123404248.9U CN217244553U (en) | 2021-12-31 | 2021-12-31 | Operation incision struts ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217244553U true CN217244553U (en) | 2022-08-23 |
Family
ID=82890175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123404248.9U Active CN217244553U (en) | 2021-12-31 | 2021-12-31 | Operation incision struts ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217244553U (en) |
-
2021
- 2021-12-31 CN CN202123404248.9U patent/CN217244553U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0455282B1 (en) | Surgical retractor in particular for cholecystectomy | |
| CN210228215U (en) | Single-hole pneumoperitoneum-free three-mirror combined gallbladder-protecting and stone-taking operation suspension device | |
| CN217244553U (en) | Operation incision struts ware | |
| CN210697708U (en) | Caesarean operation is with expanding support ware | |
| CN114469204A (en) | Operation incision struts ware | |
| CN215079071U (en) | Thoracoscope lung cancer lymph node cleaning tissue expander | |
| CN209951364U (en) | Uterus curette with folding function | |
| CN211658220U (en) | Novel general firm piece of chamber mirror minimal access surgery sleeve pipe | |
| CN212186578U (en) | Retractor for clinical surgery | |
| CN220898729U (en) | Retractor convenient to adjust for lumbar vertebra operation | |
| CN109394283B (en) | Dilating forceps for gynecological operation | |
| CN218651886U (en) | Muscle distraction device for general surgery department | |
| CN209713087U (en) | A kind of uterus raising device that can oppress uterine cavity automatically | |
| CN220860105U (en) | Eye bag drag hook | |
| CN215458295U (en) | Long-neck scissors applied to continuous skin suture removal | |
| CN208228965U (en) | A kind of tumor operation stretching apparatus with ejection function | |
| CN215503730U (en) | Scalpel for ophthalmology | |
| CN208974104U (en) | A kind of gynaecology's preserved skin radical occlusion device | |
| CN220676046U (en) | Eyelid opening device | |
| CN213283178U (en) | Vascular clamp for internal medicine treatment | |
| CN215458279U (en) | Traction device | |
| CN213552014U (en) | Multifunctional flap retractor for mammary gland operation | |
| CN212438770U (en) | Skin device is cut in tissue organ transplantation operation | |
| CN214342456U (en) | Retractor for neurosurgery | |
| CN220778382U (en) | Eyelid turning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |