CN209301303U - A kind of seal wire connector - Google Patents

A kind of seal wire connector Download PDF

Info

Publication number
CN209301303U
CN209301303U CN201821487522.9U CN201821487522U CN209301303U CN 209301303 U CN209301303 U CN 209301303U CN 201821487522 U CN201821487522 U CN 201821487522U CN 209301303 U CN209301303 U CN 209301303U
Authority
CN
China
Prior art keywords
seal wire
cover board
wire connector
connector
connector according
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
Application number
CN201821487522.9U
Other languages
Chinese (zh)
Inventor
李晓春
徐潮伟
李常青
冷德嵘
刘春俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Micro Tech Nanjing Co Ltd
Original Assignee
Micro Tech Nanjing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Micro Tech Nanjing Co Ltd filed Critical Micro Tech Nanjing Co Ltd
Priority to CN201821487522.9U priority Critical patent/CN209301303U/en
Application granted granted Critical
Publication of CN209301303U publication Critical patent/CN209301303U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of seal wire connector, including the first cover board, the second cover board, the interconnecting piece and connector for connecting first and second cover board;Connector can connect seal wire connector and medical instrument;First cover board and the second cover board pass through the side contacts far from the interconnecting piece or are regulated separately the closure and opening of seal wire connector.There is seal wire cavity, permissible seal wire passes through and penetrates in the guidewire lumen of the medical instrument containing C-shaped channel when seal wire joint-closure between first cover board and the second cover board;Seal wire can be rapidly separated from the seal wire connector when seal wire connector is opened, and quickly be separated with the medical instrument.

Description

A kind of seal wire connector
Technical field
The utility model relates to a kind of medical instruments field, especially a kind of seal wire connector.
Background technique
Sphincterotomy (Endoscopic sphincteropapillotomy, EST) is through endoscopic retrograde pancreas The diagnostic technology base of cholangiography (Endoscopic retrograde cholangiopancreatography, ERCP) It is further growing up on plinth, under scope using high-frequency electrical incision knife by duodenofiberscope sphincter and choledochus end A kind for the treatment of technology of partial cut.
Clinically EST is widely used in choledocholithiasis, Biliary pancreatitis, acute obstructive suppurative cholangitis, pot The treatment of the diseases such as abdomen Tumors, ascarid of biliary tract, choledochus end benign stricture, Oddi sphincter dysfunction.Yu Shi It applies and cooperates rubble after endoscopic papillosphincterotomy, stone, roundworm taking-ups, nasobiliary drainage, inner support is taken to drain etc., can make Disease obtains treatment partially or completely.
Choledochus is mainly inserted by insulation seal wire, the negative plate of high frequency electric generator is pasted on patient's skin of buttock On, the jointing of incision knife control handle is connected with the counter electrode connector of high frequency electric generator, adjusts cutting, coagulation function Rate and its mixed proportion and carry out otomy.Simple cutting electric current can also be used to carry out EST, it is right during cutting to reduce The freezing action of tissue around, to be conducive to keep the clearly scope visual field.
General papillotome is after finishing pancreatic duct system cannula and sphincterotomy in traditional ERCP operation, It generally requires and retains the seal wire position (4.5m) while slowly withdrawing from papillotome from endoscope, this needs doctor and nurse Cooperation carries out, and exchange distance is about 1.6~2m.After papillotome is withdrawn from from endoscope, also need to have 2m with seal wire in vitro Above withdraws from distance.This process incision knife withdraws from distance, and operation is caused to take a long time;Doctor and nurse operation are matched The qualification of conjunction has higher requirements.
Most of fast exchange incision knife product is to convince silk by patient analysis in incision knife outer tube guidewire lumen side wall to insert currently on the market Enter hole and either increases the seal wire connector of an open flume type after aperture as seal wire prepackage entrance.Outer tube seal wire sidewall opening knot For structure due to being limited by pipe size, opening size is smaller, penetrates pre-assembled operational inconvenience for seal wire.The seal wire of open flume type Connector, though there is certain guiding role, when encountering prepackage using J-type seal wire, there is certain probability because being not closed Seal wire can be stretched out from slotting position.
Therefore in order to save operating time and realize doctor one man operation, while guaranteeing that seal wire penetrates incision knife guidewire lumen and has Preferable guiding performance, a kind of folding function of being slotted by guidewire lumen side wall and increase silk guide passage on seal wire connector, cooperation Seal wire locks quick exchange device and realizes seal wire distal end, shortening from the guidewire lumen side wall quick separating of incision knife to papillotome The seal wire connector for the exchange distance that papillotome withdraws from endoscope along seal wire be there is an urgent need to.
Utility model content
The purpose of this utility model is to design a kind of seal wire connector, preferably leads so that seal wire has when penetrating guidewire lumen Tropism, that improves seal wire penetrates efficiency;Next enables doctor be able to achieve one man operation when carrying out ERCP operation;Finally shorten fast Fast switch prolong seal wire withdraw from endoscope exchange distance effectively shorten operating time, mitigate the pain of patient.
The utility model provides a kind of seal wire connector, including the first cover board, the second cover board, connection first cover board and The interconnecting piece and connector of second cover board;The connector can connect the seal wire connector and medical instrument, first lid Plate and the side of second cover board far from the interconnecting piece can be in contact or separated positions, to realize closing for seal wire connector It closes and opens;When the contact condition, there is seal wire cavity between first cover board and second cover board, allow to lead Silk passes through, and when the separated position, the seal wire can be detached from from the seal wire connector.
The seal wire connector of the utility model, which is characterized in that the medical instrument is quick exchange device, and the seal wire connects Head can be used cooperatively with quick exchange device, realize the quick separating of seal wire and quick exchange device.
The seal wire connector of the utility model, which is characterized in that first cover board and second cover board are far from the company One side contacts of socket part form class tubular structure, and the class tubular structure distal diameter is less than proximal diameter.
The seal wire connector of the utility model, which is characterized in that the seal wire connector further includes switch, by moving or pressing The openable seal wire connector of the mode of the switch realizes seal wire separation.
The seal wire connector of the utility model, which is characterized in that the switch is located at first cover board far from the connection The side in portion is domes.
The seal wire connector of the utility model, which is characterized in that the switch is located at first cover board and second lid Between plate, including compression spring.
The seal wire connector of the utility model, which is characterized in that the first cover board and the second cover board are by injection molding.
The seal wire connector of the utility model, which is characterized in that the interconnecting piece is hinge arrangement.
The utility model seal wire connector, which is characterized in that second cover board has rough surface on outer surface.
The seal wire connector of the utility model, which is characterized in that the quick exchange device being used cooperatively with seal wire connector includes Outer sheath.
The seal wire connector of the utility model, which is characterized in that the outer sheath includes the guidewire lumen that side is provided with C-shaped channel.
Detailed description of the invention:
Schematic diagram when Fig. 1 is right side opening mould assembly seal wire joint-closure.
Fig. 2 is the schematic diagram after right side opening mould assembly seal wire connector shown in FIG. 1 is opened.
Fig. 3 is the enlarged drawing of the schematic diagram after right side opening mould assembly seal wire connector shown in Fig. 2 is opened.
Fig. 4 is the cross-sectional view of right side opening mould assembly seal wire connector shown in FIG. 1.
Schematic diagram when Fig. 5 is upside folding type seal wire joint-closure.
Fig. 6 is upside folding type seal wire connector opening state schematic diagram shown in fig. 5.
Fig. 7 is the enlarged drawing of the schematic diagram after upside folding type seal wire connector shown in fig. 6 is opened.
Fig. 8 is the schematic diagram of the removal of upside folding type seal wire connector the second cover board and interconnecting piece shown in fig. 5.
Fig. 9 is the cross-sectional view of upside folding type seal wire connector shown in fig. 5.
Figure 10 is the main view for the outer sheath for cooperating seal wire connector to use.
Figure 11 is the sectional view for the outer sheath that cooperation seal wire connector shown in Fig. 10 uses.
Drawing reference numeral explanation
First cover board 1, the second cover board 2, interconnecting piece 3, connector 4, rough surface 5, switch 6, the first deck side edge 7, seal wire 8, outer sheath 9 crosses seal wire cavity 10, seal wire cavity 11, C-shaped channel 12, the upper half 13, lower half 14, compression spring 15, outer tube 16, triangular opening 17,
Specific embodiment
Technical solutions of the utility model are described in detail below in conjunction with attached drawing.It should be appreciated that tool described herein Body embodiment only to explain the utility model, is not used to limit the utility model.Scope of the present application is not by these The restriction of embodiment is being subject to the range applied for a patent.It and is that clearer description is provided and makes to be familiar with this those skilled in the art Can understand the application content of the application, illustrate in each section might not draw according to its opposite size, certain sizes with The ratio regular meeting of other scale dependents is highlighted and the exaggeration that seems, and uncorrelated or unessential detail section is not also drawn completely, In the hope of the succinct of diagram.
The utility model provides a kind of seal wire connector, including the first cover board, the second cover board, connection described first and second The interconnecting piece and connector of cover board;The connector can connect the seal wire connector and medical instrument, first cover board and The side of second cover board far from the interconnecting piece can in contact or separated position, thus realize seal wire connector closure and It opens;When the contact condition, there is seal wire cavity between first cover board and second cover board, allow seal wire logical It crosses, seal wire connector is closed state at this time;When the separated position, the seal wire can be detached from from the seal wire connector, this When seal wire connector be in an open state.
The seal wire connector of the utility model, which is characterized in that the medical instrument is quick exchange device, and the seal wire connects Head can be used cooperatively with quick exchange device, realize the quick separating of seal wire and quick exchange device, specific fast exchange Device can be papillotome, take stone sacculus, angiography catheter, stone extraction basket, dilating sacculus etc..
The seal wire connector of the utility model, which is characterized in that first cover board and second cover board are far from the company One side contacts of socket part form class tubular structure, and the class tubular structure distal diameter is less than proximal diameter.
The seal wire connector of the utility model, which is characterized in that the seal wire connector further includes switch, by moving or pressing The openable seal wire connector of the mode of the switch realizes seal wire separation.
Preferably, the switch is located at the side of first cover board far from the interconnecting piece, is domes.It is described to open Pass is also possible between first cover board and second cover board, including at least one compression spring.
The seal wire connector of the utility model, which is characterized in that the first cover board and the second cover board are by injection molding.
The seal wire connector of the utility model, which is characterized in that the interconnecting piece is hinge arrangement.
The utility model seal wire connector, which is characterized in that have rough surface, the rough surface on second cover board outer surface Be using when fingerhold position, increase frictional resistance while can also prevent open seal wire connector or separate seal wire when folder It holds and falls off.
The seal wire connector of the utility model, which is characterized in that the quick exchange device being used cooperatively with seal wire connector includes Outer sheath.
Preferably, the outer sheath includes the guidewire lumen that side is provided with C-shaped channel, allows seal wire from the mistake of seal wire connector Seal wire cavity penetrates the seal wire cavity of outer sheath.
As shown in Figures 1 to 9, which illustrate the seal wire connector of the utility model embodiment, Figure 10 to Figure 11 is illustrated A kind of outer sheath structure of the utility model.
In the non-limiting embodiment of the utility model, a kind of seal wire connector as shown in figs 1-9, including the first cover board 1, Second cover board 2, the interconnecting piece 3 and connector 4 for connecting the first cover board 1 and the second cover board 2.Wherein the first cover board 1, second covers Side of the plate 2 far from interconnecting piece 3 can contact to form class tubular structure, and seal wire connector is in off state at this time, seal wire connector Seal wire cavity 10 was formed between first cover board 1 and the second cover board 2, seal wire 8 is from seal wire connector proximally by seal wire cavity 10 excessively Into seal wire connector;The class tubular structure distal diameter is less than proximal diameter, and the first cover board 1, the second cover board 2 are far from central siphon 3 Side can be formed separately an opening, seal wire connector is in an open state at this time, and seal wire 8 is detached from seal wire connector from opening.
Connector 4 is arranged on the second cover board 2, is fixedly connected with the second cover board 2;Connector 4 can also be the first cover board 1 and second outwardly protrudes to be formed on the inside of cover board 2, the shape so that protrusion when seal wire joint-closure on the inside of two cover boards is in contact At complete connector 4, connector 4 can be connected with quick exchange device, from seal wire connector proximal end to its distal thickness by Gradual change is small, can form a guide channel with the first cover board 1 while quick exchange device is connected, guide seal wire 8.
There is rough surface 5 on second cover board, 2 outer surface, rough surface 5 can be dot bulge, striated indent etc..Rough surface Be using when fingerhold position, increase frictional resistance while can also prevent open seal wire connector or separate seal wire 8 when Clamping falls off.
Seal wire connector can be connect by connector 4 with the outer tube 16 of quick exchange device, so that seal wire 8 is from seal wire connector Cross seal wire cavity 10 penetrate and to distal end extend, finally from the distal end of outer tube 16 stretch out;The distal end of outer tube 16 is provided with opening, Facilitate seal wire 8 when separating with quick exchange device from seal wire connector quick separating, it is preferred that the opening of 16 distal end of outer tube is set For triangular opening 17;For seal wire 8 from when seal wire cavity 10 enters seal wire connector excessively, guidance seal wire 8 rapidly enters quick exchange device Cavity in and from the remote outlet of quick exchange device stretch out, play guiding function;Seal wire 8 is maintained in seal wire cavity 11 When, the distal end of triangular opening 17 contacts so that seal wire 8 is maintained in seal wire cavity 11, when seal wire 8 is detached from from quick exchange device When, it can be so that seal wire 8 passes through the distal end of triangular opening 17, so that seal wire 8 is from seal wire connector using seal wire 8 is centainly torn In separate.
Specifically, outer tube 16 can be designed as being connected with outer sheath 9, and wherein 9 side of outer sheath is provided with C-shaped channel 12, make Obtaining seal wire 8 can be from the seal wire cavity 11 of seal wire connector crossed seal wire cavity 10 and penetrate outer sheath 9.The outer diameter of outer sheath 9 can be with It is designed as the internal diameter equal to or slightly less than seal wire connector distal end, therefore when seal wire joint-closure, seal wire 8 can be preferably from leading The seal wire cavity 11 for crossing the smooth insertion outer sheath 9 of seal wire cavity 10 of Threaded Connector Coupling, reaches fast exchange along seal wire cavity 11 The distal end of device is simultaneously stretched out from the remote outlet of quick exchange device, achievees the effect that accurately to guide 8 direction of advance of seal wire, effectively That improves seal wire 8 penetrates efficiency.
Interconnecting piece 3 in seal wire connector can be hinge arrangement, and the first cover board 1 is fixedly connected with the second cover board 2.
Further include switch 6 on seal wire connector, one can be formed by opened seal wire cavity 10 by way of moving or pressing A opening.After seal wire connector is opened, seal wire 8 is isolated from the opening and quick exchange device of seal wire connector, to realize fast Speed exchange.
Switch 6 can be located at the first cover board 1 far from the side side 7 of interconnecting piece 3, be domes, specifically, be to It rides out on the outside of seal wire connector in cabochon.Make the first deck side edge 7 gradually remote by moving switch 6 when opening seal wire connector It is formed and is open from the second cover board 2, the seal wire 8 inside seal wire connector is set and is detached from seal wire connector from opening.
Switch 6 can also be between the first cover board 1 and the second cover board 2, including at least one compression spring 15, pass through The first cover board 1 that second cover board 2 of pressing seal wire connector can open seal wire connector forms opening, is arranged inside seal wire connector Seal wire 8 from opening discharge.
Therefore, the seal wire joining operations of the utility model are easy, it is only necessary to by breaking into two with one's hands or push switch 6 can be beaten Threaded Connector Coupling is convinced by patient analysis, so that seal wire 8 is separated with seal wire connector, thus with quick exchange device quick separating to quick exchange device Distal portions, during the fast exchange of quick exchange device, including papillotome, take stone sacculus, angiography catheter, Stone extraction basket, dilating sacculus etc..And the seal wire connector of the utility model effectively shortens quick exchange device and removes along seal wire 8 The exchange distance of endoscope out realizes quickly withdrawing for quick exchange device, effectively shortens operating time.
Signal in the non-limiting embodiment of the utility model, when being as shown in Figure 1 and Figure 5 seal wire joint-closure Figure, when seal wire joint-closure, the first cover board 1 and the second cover board 2 form class tubular structure far from a side contacts of interconnecting piece 3;It leads Silk 8 passes through the inside of class tubular structure;First cover board 1, the second cover board 2 distal end gradually drawn close to interconnecting piece 3 so that class tubular The distal diameter of structure is less than proximal diameter.
As shown in Figures 1 to 4, the first cover board 1 is that proximal diameter is larger, the lesser domes of distal diameter;Such as Fig. 3 institute Show, by proximal end to distal end, diameter is constant after first reducing finally to be reduced the first cover board 1 again;The proximal face of second cover board 2 and its side Wall junction forms the corner structure with certain radian, and the second cover board 2 is reduced after diameter is first constant by proximal end to distal end;The One cover board 1 is consistent with the initial position that 2 diameter of the second cover board reduces.Again because the distal diameter of class tubular structure is straight less than proximal end Diameter, so seal wire 8 enters after seal wire connector from seal wire cavity 10 excessively can more easily be transmitted to quickly when seal wire joint-closure The distal end of switch, and 9 side of outer sheath of quick exchange device is provided with the structure of C-shaped channel, seal wire 8 not only can be better More smoothly out of seal wire connector the guidewire lumen for crossing the smooth insertion outer sheath 9 of seal wire cavity 10 11 hence into quickly friendship The distal end of changing device, can also shorten seal wire 8 and quick exchange device exchanges distance.
For the first cover board of seal wire connector 1 far from there is switch 6 on the side 7 of interconnecting piece 3, switch 6 is located at the first deck side edge 7 On, it rides out on the outside of guide Threaded Connector Coupling in cabochon.Make the first deck side edge 7 by moving switch 6 when opening seal wire connector It is gradually distance from the second cover board 2 and forms opening, the seal wire 8 inside seal wire connector is set and is discharged from opening.
In another embodiment of the utility model, as shown in figures 5-9, the first cover board 1 and the second cover board 2 are symmetrical First cover board 1 is divided into the curved upper half 13 by structure, as Figure 8-9, the centre that interconnecting piece 3 is located at the first cover board 1 With planar lower half 14.Larger, the lesser domes of distal diameter for proximal diameter of the upper half 13;The upper half 13 is by close To distal end, diameter is constant after first reducing finally to be reduced again at end.Lower half 14 is a planar structure, there is symmetrical two thereon A groove, for compression spring 15 to be arranged.Merge in seal wire connector with symmetrical second cover board 2 of the first cover board 1 and the first cover board 1 When form class tubular structure, seal wire connector at this time is in off state.
As shown in figures 5-9, the switch 6 in seal wire connector is between the first cover board 1 and the second cover board 2, including at least One compression spring 15, it is preferred that be two be symmetrically distributed between 2 lower half 14 of seal wire the first cover board 1 and the second cover board Compression spring 15.By pressing the second cover board 2 of seal wire connector, so that distance reduces between the lower half 14 of two cover boards, because It is connected between the first cover board 1 and the second cover board 2 by the interconnecting piece 3 among the upper half 13 and lower half 14 is arranged in, therefore two When distance reduces between a lower half 14, tend to away from each other between the upper half 13, so that seal wire connector is unfolded into opening, The seal wire 8 inside seal wire connector is arranged in discharge from opening.
Connector 4 in seal wire connector can be as shown in fig. 7, its proximal end terminates at the first cover board 1 and the second lid The proximal end of plate 2, seal wire connector is buckled on outer sheath 9 or outer tube 16 at this time.Connector 4 can also be such as Fig. 8 and Fig. 9 institute Show, proximal end is located at the proximal lateral of the first cover board 1 and the second cover board 2, outwardly extending portion and outer sheath 9 or outer tube 16 It is fixedly connected.

Claims (11)

1. a kind of seal wire connector, including the first cover board, the second cover board, the interconnecting piece for connecting first and second cover board, and Connector;The connector can connect the seal wire connector and medical instrument, and first cover board and second cover board are separate It the side of the interconnecting piece can be in contact or separated position, to realize the closure and opening of seal wire connector;The contact shape When state, there is seal wire cavity between first cover board and second cover board, permissible seal wire passes through, the separated position When, the seal wire can be detached from from the seal wire connector.
2. seal wire connector according to claim 1, which is characterized in that the medical instrument is quick exchange device, described Seal wire connector can be used cooperatively with quick exchange device, realize the quick separating of seal wire and quick exchange device.
3. seal wire connector according to claim 1, which is characterized in that first cover board and second cover board are far from institute The distal diameter for stating the structure of the side contacts formation of interconnecting piece is less than proximal diameter.
4. seal wire connector according to claim 1, which is characterized in that the seal wire connector further includes switch, by moving Or the openable seal wire connector of mode of the pressing switch, realize seal wire separation.
5. seal wire connector according to claim 4, which is characterized in that the switch is located at first cover board far from described The side of interconnecting piece is domes.
6. seal wire connector according to claim 4, which is characterized in that the switch is located at first cover board and described the Between two cover boards, including compression spring.
7. seal wire connector according to claim 1, which is characterized in that the first cover board and the second cover board by plastic injection at Type.
8. seal wire connector according to claim 1, which is characterized in that the interconnecting piece is hinge arrangement.
9. seal wire connector according to claim 1, which is characterized in that second cover board has rough surface on outer surface.
10. seal wire connector according to claim 2, which is characterized in that filled with the fast exchange that seal wire connector is used cooperatively It sets including outer sheath.
11. seal wire connector according to claim 10, which is characterized in that the outer sheath includes that side is provided with C-shaped channel Guidewire lumen.
CN201821487522.9U 2018-09-11 2018-09-11 A kind of seal wire connector Active CN209301303U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821487522.9U CN209301303U (en) 2018-09-11 2018-09-11 A kind of seal wire connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821487522.9U CN209301303U (en) 2018-09-11 2018-09-11 A kind of seal wire connector

Publications (1)

Publication Number Publication Date
CN209301303U true CN209301303U (en) 2019-08-27

Family

ID=67669929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821487522.9U Active CN209301303U (en) 2018-09-11 2018-09-11 A kind of seal wire connector

Country Status (1)

Country Link
CN (1) CN209301303U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109044525A (en) * 2018-09-11 2018-12-21 南京微创医学科技股份有限公司 A kind of seal wire connector
CN111249600A (en) * 2020-01-17 2020-06-09 浙江医高医疗科技有限公司 Dilator, ureter guide sheath and ureter guide sheath assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109044525A (en) * 2018-09-11 2018-12-21 南京微创医学科技股份有限公司 A kind of seal wire connector
WO2020052331A1 (en) * 2018-09-11 2020-03-19 南微医学科技股份有限公司 Guide wire joint
CN111249600A (en) * 2020-01-17 2020-06-09 浙江医高医疗科技有限公司 Dilator, ureter guide sheath and ureter guide sheath assembly
CN111249600B (en) * 2020-01-17 2022-05-03 浙江医高医疗科技有限公司 Dilator, ureter guide sheath and ureter guide sheath assembly

Similar Documents

Publication Publication Date Title
EP2091442B1 (en) Biopsy collection device
CN109044525A (en) A kind of seal wire connector
CN209301303U (en) A kind of seal wire connector
CN205198083U (en) A suction catheter for taking out blood sucking bolt nature material
CN113786227A (en) Multi-cavity tube and nipple sphincter incision knife
CN204520845U (en) The two sacculus of uterine hemostasis
CN105342668A (en) Suction catheter for sucking thrombotic substances
CN204723173U (en) A kind of sphincterotomy cutter with limiting tooth handle
CN111202560A (en) Disposable calculus removal net basket
CN211834598U (en) Disposable calculus removal net basket
CN210447156U (en) Portable pneumothorax puncture needle
CN210130903U (en) Puncture outfit special for laparoscopic surgery
CN215821088U (en) Multi-cavity tube and nipple sphincter incision knife
KR101903427B1 (en) Marrow aspiration apparatus and method
CN2531814Y (en) Disposable vaginal tube
CN211213369U (en) Bladder tumor sleeve basket
CN205867177U (en) Easy negative pressure drainage system that changes
CN110141300A (en) A kind of thrombus draw-out device
CN215688316U (en) Puncture drainage needle to separate pleural effusion
CN208989988U (en) Pull incision knife
CN215778477U (en) Prevent multi-functional vascular sheath of bleeding
CN202386750U (en) Disposable guiding type suprapubic bladder puncture fistulization needle
CN209252890U (en) Modified form blood drawing protector
CN215995248U (en) Nose bile duct guiding device
CN215191853U (en) Simple card poking device for establishing channel of medical thoracoscope

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 210032 10 hi tech three road, hi tech Industrial Development Zone, Pukou District, Nanjing, Jiangsu

Patentee after: Nanwei Medical Technology Co., Ltd

Address before: 210032 10 hi tech three road, hi tech Industrial Development Zone, Pukou District, Nanjing, Jiangsu

Patentee before: Micro-Tech (Nanjing) Co., Ltd.

CP01 Change in the name or title of a patent holder