CN111603215B - Rectum mucous membrane columnar folding suturing device - Google Patents
Rectum mucous membrane columnar folding suturing device Download PDFInfo
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- CN111603215B CN111603215B CN202010499623.3A CN202010499623A CN111603215B CN 111603215 B CN111603215 B CN 111603215B CN 202010499623 A CN202010499623 A CN 202010499623A CN 111603215 B CN111603215 B CN 111603215B
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06004—Means for attaching suture to needle
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/062—Needle manipulators
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06004—Means for attaching suture to needle
- A61B2017/06042—Means for attaching suture to needle located close to needle tip
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
- A61B2017/061—Needles, e.g. needle tip configurations hollow or tubular
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Abstract
The invention belongs to a rectal mucosa suture device, and provides a rectal mucosa columnar folding suture device which aims at solving the technical problems that when a rectal mucosa is relaxed, the treatment by adopting columnar folding suture has better effect compared with linear suture and U-shaped suture, but lacks special instruments, and comprises a mucosa adsorption unit and a handheld unit, wherein the upper surface of the mucosa adsorption unit is arranged straightly, and the upper surface of the mucosa adsorption unit is provided with a mucosa containing groove and 1-3 needle penetrating grooves; the mucous membrane holding grooves are one or two or three arranged along the axial direction; the needle threading groove is arranged along the axial direction of the mucous membrane adsorption unit and penetrates through two end surfaces of the mucous membrane adsorption unit, and the needle threading groove is intersected with the mucous membrane accommodating groove; two ends of the hand-held unit form a negative pressure passage, one end of the hand-held unit is communicated with the negative pressure device, and the other end of the hand-held unit is communicated with the needle threading groove of the mucous membrane adsorption unit.
Description
Technical Field
The invention relates to a rectal mucosa suturing device, in particular to a rectal mucosa columnar folding suturing device.
Background
Rectal mucosal relaxation is an important pathogenic factor for mucosal prolapse, incomplete rectal prolapse, intrarectal intussusception, prolapsed hemorrhoid and the like. It often does not receive good results through general and pharmacological treatments.
In recent years, mucosa folding suture is also adopted clinically to treat rectal intussusception, proctoptosis, prolapsed internal hemorrhoid and the like caused by rectal mucosa relaxation, and has good effect. However, the conventional suture with needle and thread still has the defects of difficult operation, tearing off and mucosa cavity after ligation, and the like. In particular, the linear suture and the U-shaped suture have the technical problems of difficult deep operation, insufficient folding strength, uneven folding and the like, and the columnar folding suture has relatively good effect but lacks special instruments.
Disclosure of Invention
The invention provides a columnar folding suture device for rectal mucosa, which aims to solve the technical problem that special instruments are not needed for treatment by adopting columnar folding suture when the rectal mucosa is relaxed.
In order to achieve the purpose, the invention provides the following technical scheme:
a rectal mucosa columnar folding suturing device is characterized by comprising a puncture needle, a handheld unit and a hollow columnar mucosa adsorption unit, wherein the hollow columnar mucosa adsorption unit is arranged on the handheld unit and the front end of the hollow columnar mucosa adsorption unit is closed;
the upper surface of the mucous membrane adsorption unit is arranged in a plane shape and is provided with a mucous membrane accommodating groove and a needle threading groove;
the mucous membrane accommodating grooves are one or two or three arranged along the axial direction; the bottoms of two or three mucous membrane containing grooves are communicated, and mucous membrane partitions are formed between adjacent mucous membrane containing grooves;
the mucous membrane accommodating groove and the mucous membrane partition are equal in width along the axial direction of the mucous membrane adsorption unit;
the needle threading groove is arranged along the axial direction of the mucous membrane adsorption unit and penetrates through two end surfaces of the mucous membrane adsorption unit, and the needle threading groove is intersected with the mucous membrane accommodating groove;
the needle penetrating groove is one and is positioned in the middle of the mucous membrane accommodating groove; or the two needle penetrating grooves are positioned at two sides of the mucous membrane accommodating groove; or, the needle penetrating grooves are three and are respectively positioned at the two sides and the middle part of the mucous membrane accommodating groove;
a negative pressure passage is formed in the handheld unit, one end of the negative pressure passage is communicated with the negative pressure device, and the other end of the negative pressure passage is communicated with the bottom of the mucous membrane containing groove of the mucous membrane adsorption unit.
Further, the air conditioner is characterized in that,
the puncture needle comprises a suture line and a hollow needle body with openings at two ends;
one end of the needle body is provided with an oblique cutting edge, and the outer surface of one end of the needle body, which is provided with the oblique cutting edge, is provided with a limit groove along the axial direction of the needle body;
the suture line penetrates through the needle body, one end of the suture line is positioned outside the needle body, and the other end of the suture line is provided with a knot; the knot is clamped in the limiting groove.
Furthermore, a handheld body is arranged at one end, far away from the inclined cutting edge, of the needle body.
Furthermore, one end of the handheld unit is communicated with the mucous membrane adsorption unit through a connecting unit;
the connecting unit comprises a straight section and a bent section which are mutually communicated;
the straight section is in a hollow column shape, one end of the straight section is connected with the handheld unit, and the other end of the straight section is connected with the bent section;
the bending section is arranged in a hollow mode, and one end, far away from the straight section, of the bending section is connected with the end portion of the mucous membrane adsorption unit.
Further, the mucous membrane accommodating groove and the needle threading groove are both two.
Furthermore, the widths of the mucous membrane containing groove and the mucous membrane partition along the axial direction of the mucous membrane adsorption unit are both 3-7mm.
Further, the side wall profile of the mucosa receiving groove is an ellipsoidal shape.
Further, the lower surface profile of the mucous membrane adsorption unit is arc-shaped.
Furthermore, a negative pressure control switch is arranged on the handheld unit and is positioned on a negative pressure passage in the handheld unit.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the columnar folding suture device for the rectal mucosa, the handheld unit is convenient to operate during suture, and an operator can conveniently hold the mucosa adsorption unit; the mucous membrane adsorption unit is a core unit for columnar folding suture, when suture is needed, the upper surface of the mucous membrane adsorption unit is attached to the mucous membrane, one end of the handheld unit is communicated with the negative pressure device, negative pressure is formed in a mucous membrane accommodating groove and a needle penetrating groove of the mucous membrane adsorption unit through a negative pressure passage in the handheld unit, rectal mucous membrane needing to be folded and sutured is far away from the mucous membrane accommodating groove through negative pressure suction, required wrinkles are automatically formed in the mucous membrane accommodating groove, and the puncture needle can penetrate through the mucous membrane through the needle penetrating groove to complete suture; the mucous membrane adsorption unit can be directly placed at the position of the mucous membrane to be sutured, and the accuracy is high; the loosened rectal mucosa can be folded and sutured uniformly in a column shape in the longitudinal direction at one time, and the technical problems of difficult operation, insufficient folding force, nonuniform folding and the like of artificial linear or U-shaped folding suture deep part are solved; the mucous membrane can be fully absorbed and folded and sewed through the mucous membrane accommodating groove; the device is convenient to process and low in cost; because of convenient operation, can be widely popularized and used.
2. The invention is also provided with a puncture needle convenient for suture, the needle body of the puncture needle is used for suture, a suture line can pass through the inside of the needle body, and the limit groove can limit the knot at one end of the suture line and fix the suture line.
3. The puncture needle is also provided with a handheld body, so that the handheld operation is convenient during the suture.
4. The lower surface contour of the mucous membrane adsorption unit is arc-shaped, so that the mucous membrane adsorption unit is more convenient to match with an anoscope during operation, has better fitting degree and is more convenient to operate.
5. The mucous membrane containing groove and the needle threading groove are both two, so that the folding suture effect is ensured, the groove is formed most reasonably, and the manufacturing cost and the suture effect are both considered.
6. The side wall of the mucous membrane containing groove is partially elliptical, so that the mucous membrane amount adsorbed by negative pressure can be effectively increased.
7. The connecting unit for connecting the needle penetrating groove in the handheld unit and the mucous membrane adsorbing unit consists of a straight section and a bent section, wherein the bent section is connected with the lower part of the mucous membrane adsorbing unit, so that the upper part of the needle penetrating groove can be avoided while the handheld body is ensured to be communicated with the mucous membrane accommodating groove of the mucous membrane adsorbing unit, and a puncture needle can conveniently pass through the needle penetrating groove during suturing.
Drawings
FIG. 1 is a schematic structural view of a rectal mucosa cylindrical folding suture apparatus according to an embodiment of the present invention (showing a puncture needle);
FIG. 2 is a schematic structural view of the mucosal adsorption unit of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the needle just prior to insertion into the needle penetration slot during suturing in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a needle penetrating through a needle penetration slot during suturing in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of two needles passing through a needle passing groove during suturing in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural view of a lancet adapted for use with an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 in accordance with the present invention;
fig. 8 is a cross-sectional view of the mucosal suction unit of fig. 2 in an axial direction in accordance with the present invention.
Wherein, 1-mucous membrane adsorption unit, 101-mucous membrane containing groove, 102-mucous membrane partition, 103-needle penetrating groove, 2-connecting unit, 201-straight section, 202-bending section, 3-hand-held unit, 4-puncture needle, 401-hand-held body, 402-needle body, 403-suture line, 404-limit groove, 405-oblique cutting edge, 406-knot and 5-suction nozzle.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments do not limit the present invention.
As shown in fig. 1, fig. 2 and fig. 8, a rectal mucosa cylindrical folding suture device, as a preferred embodiment of the present invention, comprises a mucosa absorption unit 1, a connection unit 2 and a handheld unit 3.
The mucous membrane adsorption unit 1 is the most core part of the invention, the upper surface of the mucous membrane adsorption unit 1 is arranged flatly, the outline of the lower surface is arc-shaped, the mucous membrane adsorption unit can be well jointed with an anoscope, and the outline of the lower surface can be other shapes without influencing the use.
The upper surface of the mucosa absorption unit 1 is provided with mucosa containing grooves 101 and needle threading grooves 103, wherein the number of the mucosa containing grooves 101 is three, and the number of the needle threading grooves 103 is two. The mucosa containing grooves 101 are arranged along the axial direction of the mucosa adsorbing unit 1 and are communicated with each other, a mucosa partition 102 is formed between two adjacent mucosa containing grooves 101, and the widths of the mucosa containing grooves 101 and the mucosa partition 102 along the axial direction of the mucosa adsorbing unit 1 are equal, so that the three mucosa containing grooves 101 are uniformly arranged at equal intervals. When the mucosa tissue is adsorbed in the mucosa holding groove 101, the mucosa partition 102 can press the mucosa tissue, and at the same time, the outside parts of the first mucosa holding groove 101 and the third mucosa holding groove 101 along the axial direction of the mucosa adsorbing unit 1 can also press the mucosa tissue.
The two needle threading grooves 103 are arranged along the axial direction of the mucous membrane adsorption unit 1 and penetrate through two end faces of the mucous membrane adsorption unit 1, when in sewing, the puncture needle 4 can penetrate through one end of the mucous membrane adsorption unit 1 and penetrate out from the other end, the two needle threading grooves 103 are parallel to each other, the needle threading grooves 103 are intersected with the mucous membrane containing groove 101, the needle threading grooves 103 are communicated with the mucous membrane containing groove 101, the two needle threading grooves 103 are respectively positioned at two sides of the mucous membrane containing groove 101, and the mucous membrane containing groove 101 is positioned in the middle of the mucous membrane adsorption unit 1 perpendicular to the axial direction of the mucous membrane containing groove 101.
The connection unit 2 comprises a straight section 201 and a curved section 202 which are communicated with each other, wherein the straight section 201 can be designed into a hollow column shape, and the curved section 202 is also arranged in a hollow manner.
The handheld unit 3 is mainly convenient to hold by hand in use, and can be designed into an inverted L shape, so that the handheld unit is convenient to hold and operate. One end of the handheld unit 3 is provided with a suction nozzle 5, the suction nozzle 5 is used for being communicated with a negative pressure device, and the negative pressure device can be a negative pressure pump or other negative pressure generating devices such as a manual pump. The other end of the handheld unit 3 is communicated with the straight section 201 of the connecting unit 2, one end of the bent section of the connecting unit 2 is connected with the straight section 201, the other end of the bent section of the connecting unit 2 is connected with the lower part of the end face of the mucous membrane adsorption unit 1, the end face of the needle penetrating groove 103 can be exposed, and a puncture needle can penetrate through the needle penetrating groove. The two ends of the handheld unit 3 are communicated to form a negative pressure passage, so that the negative pressure generated by one end of the handheld unit 3 can be ensured to pass through the connecting unit 2, and the mucous membrane accommodating groove 101 on the mucous membrane adsorbing unit 1 can be sucked into the mucous membrane accommodating groove 101 under the negative pressure when the mucous membranes are attached.
In the mucous membrane adsorbing unit 1, the mucous membrane accommodating grooves 101 are communicated with each other below the mucous membrane partition 102, and the mucous membrane accommodating grooves 101 are communicated with the negative pressure device through the negative pressure passage of the handheld unit 3 and the hollow connecting unit 2.
As shown in fig. 6 and 7, the present invention further provides a puncture needle 4, a main body of the puncture needle 4 is a hollow stainless steel needle body 402, a tube diameter is about 05mm, one end of the puncture needle 4 is provided with an oblique cutting edge 405, the outer surface of the end of the needle body 402 provided with the oblique cutting edge 405 is provided with a limit groove 404, a suture line 403 is preset in the needle body 402 of the puncture needle 4, the suture line 403 penetrates through the needle body 402, a knot 406 is formed at the end provided with the oblique cutting edge 405, the knot is located at the limit groove 404, the suture line 403 is dragged outside the needle body 402 at the end far away from the oblique cutting edge 405, and meanwhile, a hand-held body 401 convenient for operation is further arranged on the needle body 402.
Only one puncture needle with better matching performance with the folding suture device is shown here, and other existing puncture needles can be matched with the folding suture device to complete suture.
As shown in fig. 3 to 5, when the rectal mucosa columnar folding suture device is used for folding suture, the upper surface of the mucosa adsorption unit 1 is tightly attached to the mucosa, the negative pressure device is started, and after negative pressure suction is started, negative pressure is generated in the 3 mucosa containing grooves 101 through the negative pressure passage of the handheld unit 3 and the connecting unit 2, so that mucosa tissues are uniformly sucked into the mucosa containing grooves 101 in sections by the mucosa containing grooves 101 and are separated by the mucosa partition 102, and the mucosa partition 102 can press the mucosa tissues. As shown in fig. 3 to fig. 5, at this time, a puncture needle 4 is respectively passed through the two needle passing grooves 103, and then the puncture needle can pass through the mucous membrane tissue at equal intervals to form equally spaced folds, then the negative pressure is released, the rectal mucous membrane columnar folding suture device is removed, the suture line 403 is clamped by the needle holder, the needle body 402 of the puncture needle 4 is pulled out backwards, only the suture line 403 is left, the suture line is uniformly passed through the mucous membrane tissue, the thread head is pulled back by the needle holder and the thread tail is tightened and knotted together, and the suture is completed.
In other embodiments of the present invention, one or two mucosa accommodating grooves 101 may be provided, in which case, the needle threading groove 103 intersects with the mucosa accommodating groove 101 to communicate with each other, and in which case, the mucosa partition 102 between the two mucosa accommodating grooves 101 has the same width as the mucosa accommodating groove 101 along the axial direction of the mucosa-adsorbing unit 1.
The needle threading grooves 103 can be also provided with 1 or 3, if 1 is provided, the needle threading grooves 103 are positioned in the middle of the mucous membrane accommodating groove 101 along the direction vertical to the axial direction of the mucous membrane adsorption unit 1; if 3 are provided, two of them are located on both sides of the mucous membrane accommodating groove 101, and the remaining one is provided along the middle portion perpendicular to the axial direction of the mucous membrane suction unit 1. When in use, the number of the puncture needles 4 is required to be the same as that of the needle threading grooves 103.
The number of the needle threading slots 103 and the mucosa receiving slots 101 can be selected and adjusted according to the pathological condition of the mucosa tissue.
In addition, as a preferred scheme, the widths of the mucosa containing groove 101 and the mucosa partition 102 along the axial direction of the mucosa adsorbing unit 1 are both 3-7mm, the specific sizes are also adjusted according to actual use requirements, and the sizes in the range are matched with the folding suture of the rectal mucosa.
The side wall profile of the mucosa receiving groove 101 is not limited, but in order to adsorb more mucosa tissues, the side wall profile of the mucosa receiving groove 101 may be designed to be ellipsoidal.
Furthermore, in order to better control the negative pressure switch or the negative pressure, a negative pressure control switch can be arranged on the negative pressure passage of the handheld unit 3, and the existing pressure control switch can be directly adopted as the negative pressure control switch.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a folding suturing device of rectum mucous membrane column which characterized in that: comprises a puncture needle (4), a handheld unit (3) and a hollow cylindrical mucous membrane adsorption unit (1) which is arranged on the handheld unit (3) and has a closed front end;
the upper surface of the mucous membrane adsorption unit (1) is arranged in a plane shape and is provided with a mucous membrane containing groove (101) and a needle threading groove (103);
the mucous membrane receiving grooves (101) are one or two or three arranged along the axial direction; the bottoms of two or three mucous membrane containing grooves (101) are communicated, and mucous membrane partitions (102) are formed between the adjacent mucous membrane containing grooves (101);
the mucous membrane containing groove (101) and the mucous membrane partition (102) have equal width along the axial direction of the mucous membrane adsorption unit (1);
the needle threading groove (103) is arranged along the axial direction of the mucous membrane adsorption unit (1) and penetrates through two end surfaces of the mucous membrane adsorption unit (1), and the needle threading groove (103) is intersected with the mucous membrane containing groove (101);
the needle penetrating groove (103) is positioned in the middle of the mucous membrane containing groove (101); or two needle penetrating grooves (103) are arranged on two sides of the mucous membrane accommodating groove (101); or three needle-penetrating grooves (103) are respectively positioned at the two sides and the middle part of the mucous membrane containing groove (101);
a negative pressure passage is formed in the handheld unit (3), one end of the negative pressure passage is communicated with the negative pressure device, and the other end of the negative pressure passage is communicated with the bottom of the mucous membrane containing groove (101) of the mucous membrane adsorption unit (1);
the puncture needle (4) comprises a suture line (403) and a hollow needle body (402) with two open ends;
one end of the needle body (402) is provided with an oblique cutting edge (405), and the outer surface of one end of the needle body, which is provided with the oblique cutting edge (405), is provided with a limit groove (404) along the axial direction of the needle body (402);
the suture line (403) penetrates through the needle body (402), one end of the suture line is positioned outside the needle body (402), and the other end of the suture line is provided with a knot (406); the knot (406) is clamped in the limiting groove (404).
2. A rectal mucosa cylindrical folding suture device according to claim 1, characterized in that: and a handheld body (401) is arranged at one end of the needle body (402) far away from the inclined cutting edge (405).
3. A rectal mucosal cylindrical folding suture device according to claim 1 or 2, characterized in that: one end of the handheld unit (3) is communicated with the mucous membrane adsorption unit (1) through the connecting unit (2);
the connecting unit (2) comprises a straight section (201) and a curved section (202) which are communicated with each other;
the straight section (201) is hollow and columnar, one end of the straight section is connected with the handheld unit (3), and the other end of the straight section is connected with the bent section (202);
the bending section (202) is arranged in a hollow mode, and one end, far away from the straight section (201), of the bending section is connected with the end portion of the mucous membrane adsorption unit (1).
4. A rectal mucosal cylindrical folding suture device according to claim 3, characterized in that: the mucous membrane containing groove (101) and the needle penetrating groove (103) are two.
5. A rectal mucosa cylindrical folding suture device according to claim 4, characterized in that: the mucous membrane containing groove (101) and the mucous membrane partition (102) have the width of 3-7mm along the axial direction of the mucous membrane adsorption unit (1).
6. A rectal mucosal cylindrical folding suture device according to claim 5, characterized in that: the side wall profile of the mucosa receiving groove (101) is ellipsoidal in shape.
7. A rectal mucosal cylindrical folding suture device according to claim 6, wherein:
the lower surface profile of the mucous membrane adsorption unit (1) is arc-shaped.
8. A rectal mucosa cylindrical folding suture device according to claim 7, wherein: and a negative pressure control switch is arranged on the handheld unit (3), and the negative pressure control switch is positioned on a negative pressure passage in the handheld unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499623.3A CN111603215B (en) | 2020-06-04 | 2020-06-04 | Rectum mucous membrane columnar folding suturing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499623.3A CN111603215B (en) | 2020-06-04 | 2020-06-04 | Rectum mucous membrane columnar folding suturing device |
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| CN111603215A CN111603215A (en) | 2020-09-01 |
| CN111603215B true CN111603215B (en) | 2023-03-10 |
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|---|---|---|---|---|
| CN203873813U (en) * | 2014-03-14 | 2014-10-15 | 遂宁市中心医院 | Skin suture needle for department of surgery |
| CN203988179U (en) * | 2014-07-21 | 2014-12-10 | 南京华美美容医院有限公司 | For the dermatoplastic hollow preplaced line sewing needle of eyes |
| CN204542257U (en) * | 2015-04-10 | 2015-08-12 | 蓝海波 | Be applicable to rectal mucosa, sewing needle that horizontal folds in a garment stringer ties suspension |
| CN106963454A (en) * | 2017-03-31 | 2017-07-21 | 刘旭 | Pin knife |
| WO2019074439A1 (en) * | 2017-10-13 | 2019-04-18 | Developeration Ab | Device for use in the treatment of hemorrhoids |
| CN209966512U (en) * | 2019-03-07 | 2020-01-21 | 合肥市第二人民医院 | Integral type puncture sheath needle |
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| CN111603215A (en) | 2020-09-01 |
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