CN112022226A - Tumor puncture extraction device - Google Patents
Tumor puncture extraction device Download PDFInfo
- Publication number
- CN112022226A CN112022226A CN202010877585.0A CN202010877585A CN112022226A CN 112022226 A CN112022226 A CN 112022226A CN 202010877585 A CN202010877585 A CN 202010877585A CN 112022226 A CN112022226 A CN 112022226A
- Authority
- CN
- China
- Prior art keywords
- seat
- shell
- fixing seat
- extraction device
- support seat
- 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.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the field of medical instruments, and particularly discloses a tumor puncture extraction device which comprises a front fixed seat, a rear fixed seat, an active supporting seat, a passive supporting seat, a screw rod transmission mechanism, a motor, a Y-shaped needle head, a plurality of pipeline guide rods and the like, wherein the front fixed seat and the rear fixed seat play a role of serving as a bearing platform, then the motor drives the screw rod transmission mechanism to operate, and finally a front fork or a retraction of the Y-shaped needle head is pushed; meanwhile, the Y-shaped needle head is similar to a tee joint, two different paths can be formed, anesthetic liquid and negative pressure can be conveyed successively, the starting and the closing of the two paths can be adjusted through the electromagnetic valve, the Y-shaped needle head can complete two actions only by being inserted into one position, the puncture times are reduced, the operation steps are reduced, and the pain of a patient is reduced.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a tumor puncture extraction device.
Background
Before tumor puncture, the patient needs to urinate and defecate, perform B-mode ultrasonography or CT positioning, and perform local skin disinfection. During puncture, local anesthesia is firstly carried out, then puncture is carried out, and pathological tissues obtained by puncture need to be put into 10% formalin in time for fixation and inspection. After the puncture, the patient should have a full rest to avoid complications.
The existing tumor puncture extraction device needs to perform anesthesia puncture at a puncture point by using an injection needle, then puncture the same part by using a puncture needle to extract a tumor sample, and the anesthesia puncture and the tumor puncture are performed separately. In the puncturing process, medical staff are required to puncture the needle manually, the puncturing depth is not easy to control, and the operation difficulty is high; in addition, the indwelling tube is placed on the patient, anesthetic liquid is introduced into the indwelling tube firstly, then the indwelling tube is blocked temporarily, the extracting device is replaced to be connected with the indwelling tube again, the operation is complex, and the port of the indwelling tube is exposed in the air for a short time. In other examples, repeated puncturing is performed at the same position, which increases the pain of the patient due to the large number of times of puncturing, and the difficulty of the medical care personnel in operation is large due to the repeated control of the puncturing depth.
Disclosure of Invention
The invention aims to provide a tumor puncture extraction device, which realizes integrated operation of anesthesia and tumor extraction, reduces operation steps and reduces discomfort of a patient.
In order to achieve the above object, the present invention provides a tumor puncturing and extracting device, comprising: the front fixing seat and the rear fixing seat are of a revolving body structure and are coaxially arranged, a lead screw is hinged between the front fixing seat and the rear fixing seat, only the freedom degree of spinning is reserved for the lead screw, at least two fixed guide rods are arranged between the front fixing seat and the rear fixing seat, a coupler and a motor which are sequentially connected are arranged on one side of the rear fixing seat far away from the front fixing seat, and the lead screw spins around the axis line of the lead screw under the driving of the motor; the driving support seat and the driven support seat are of a revolving body structure, the driving support seat is arranged between a front fixing seat and a rear fixing seat, the driving support seat is penetrated through by a guide rod and a lead screw, the driving support seat is connected with the guide rod in a sliding mode, the driving support seat is connected with the lead screw in a threaded mode, the driven support seat is arranged in front of the front fixing seat, a Y-shaped needle head is arranged in front of the driven support seat, two input ends of the Y-shaped needle head are respectively fixed on the driven support seat, and correspondingly, the driven support seat is provided with two through holes connected with the Y-shaped needle head on the back; the two push rods are of hollow structures and penetrate through the front fixing seat, the front ends of the two push rods are respectively communicated with two inlets of the Y-shaped needle head, the rear ends of the two push rods are respectively communicated with the active supporting seat, correspondingly, two through holes connected with the push rods are formed in the back of the active supporting seat, and electromagnetic valves used for sealing or conducting internal channels of the push rods are arranged at the joints of the two push rods and the active supporting seat; the two telescopic pipes are respectively arranged between the active supporting seat and the rear fixing seat, and the telescopic pipes, the push rod and the Y-shaped needle head are sequentially communicated at the moment; the output ends of the two infusion tubes are respectively connected to the rear fixed seat and then communicated with the telescopic tube; the single chip microcomputer is connected with the power supply and is connected with the electromagnetic valve to transmit electric energy to the electromagnetic valve; the shell, the shell is solid of revolution structure, the shell is accomodate above-mentioned part wherein, the inner wall of shell with preceding fixing base with back fixing base fixed connection, initiative supporting seat with passive supporting seat is in the shell activity, the output of Y shape syringe needle is flexible at the tip of shell, two the transfer line is worn out the shell and is outwards extended, be equipped with a plurality of buttons on the shell, the singlechip is connected to each button.
As an improvement of the scheme, the shell is of a cylindrical structure and is divided into two semi-annular structures which are detachably spliced through screws.
As an improvement of the above scheme, the front fixing seat and the rear fixing seat are of a disc structure, the inner wall of the shell is provided with two circles of grooves distributed at intervals along the axial direction, the grooves clamp the front fixing seat and the rear fixing seat respectively, the inner wall of each groove is provided with a sawtooth protrusion, and correspondingly, the side surfaces of the front fixing seat and the rear fixing seat are provided with sawtooth protrusions which are mutually meshed.
As an improvement of the scheme, the shell is provided with an arc-shaped handle.
As an improvement of the scheme, the two screws are arranged at the head end and the tail end of the lifting handle, the two screws at the head end of the lifting handle are respectively connected to the two semi-annular structures, and the two screws at the tail end of the lifting handle are respectively connected to the two semi-annular structures.
As an improvement of the scheme, the telescopic pipe is a corrugated pipe or an elastic pipe.
As an improvement of the scheme, the active supporting seat is in a cross shape, the screw rod is arranged in the middle, the two guide rods are respectively positioned at 0 degree and 180 degrees, and the two push rods are respectively positioned at 90 degrees and 270 degrees.
As an improvement of the scheme, the axial length of the shaft sleeve, which is greater than that of the active supporting seat, is arranged at the position, through which the guide rod penetrates, of the active supporting seat.
The invention has the following beneficial effects:
the device adopts the flexible of screw drive syringe needle, can rely on software control depth of insertion, through CT or B ultrasonic location position need anesthesia sample position before using, then with control parameter (depth of insertion, solenoid valve switch, carry anesthesia liquid and negative pressure sampling) input singlechip, specific operator only need simple control different stages carry on the frequency can, convenient to use.
In the using process, the Y-shaped needle head has the effect similar to a tee joint, can successively convey anesthetic liquid and negative pressure, and can adjust the starting and the closing of the two paths through the electromagnetic valve; the Y-shaped needle head can complete two actions (controlled by software, even can be inserted and used for injecting anesthetic liquid at the same time) only by being inserted into one position, thereby reducing the puncture times, reducing the operation steps and reducing the pain of patients.
Drawings
FIG. 1 is a first block diagram of a front end of a hidden housing of an embodiment of a device;
FIG. 2 is a second block diagram of the front end of the hidden housing of the apparatus according to one embodiment;
FIG. 3 is a first block diagram of the sides of a hidden housing of the apparatus according to one embodiment;
FIG. 4 is an external view of the device according to an embodiment.
Description of reference numerals: 10. a housing; 11. a handle; 12. a button; 21. a front fixed seat; 22. a rear fixed seat; 31. an active support seat; 32. a passive support base; 41. a screw rod; 42. a guide bar; 43. a push rod; 44. a shaft sleeve; 45. an electromagnetic valve; 46. a telescopic pipe; 50. a Y-shaped needle head; 60. a transfusion tube; 70. an electric motor.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
The invention discloses a tumor puncture extraction device, which mainly integrates anesthesia and extraction into one device, optimizes the structural layout and compactly arranges a transmission part in a small space, and aims to provide a tumor puncture extraction device with the advantages of simple structure, convenient operation, low cost and the like.
The device comprises: the front fixing seat 21 and the rear fixing seat 22 are of a revolving body structure and are coaxially arranged, a screw rod 41 is hinged between the front fixing seat 21 and the rear fixing seat 22, the screw rod 41 only retains the degree of freedom of spinning, at least two fixed guide rods 42 are arranged between the front fixing seat 21 and the rear fixing seat 22, one side of the rear fixing seat 22, which is far away from the front fixing seat 21, is provided with a coupler and a motor 70 which are sequentially connected, and the screw rod 41 spins around the axis line of the rear fixing seat under the driving of the motor 70; the driving support 31 is arranged between the front fixing seat 21 and the rear fixing seat 22, the driving support 31 is penetrated by a guide rod 42 and a lead screw 41, the driving support 31 is connected with the guide rod 42 in a sliding manner, the driving support 31 is connected with the lead screw 41 in a threaded manner, the driven support 32 is arranged in front of the front fixing seat 21, a Y-shaped needle 50 is arranged in front of the driven support 32, two input ends of the Y-shaped needle 50 are respectively fixed on the driven support 32, and correspondingly, the driven support 32 is provided with two through holes connected with the Y-shaped needle 50 on the back; the two push rods 43 are of a hollow structure, the two push rods 43 penetrate through the front fixing seat 21, the front ends of the two push rods 43 are respectively communicated with two inlets of the Y-shaped needle 50, the rear ends of the two push rods 43 are respectively communicated with the active supporting seat 31, correspondingly, the back of the active supporting seat 31 is provided with two through holes connected with the push rods 43, and the joints of the two push rods 43 and the active supporting seat 31 are provided with electromagnetic valves 45 for closing or conducting internal channels of the push rods 43 (the electromagnetic valves 45 play a role of starting and stopping); two extension tubes 46, wherein the two extension tubes 46 are respectively arranged between the active supporting seat 31 and the rear fixing seat 22, and the extension tubes 46, the push rod 43 and the Y-shaped needle 50 are sequentially communicated at the moment; two infusion tubes 60 (one of which is used for injecting anesthetic liquid and the other is used for extracting tumor), the output ends of the two infusion tubes 60 are respectively connected to the rear fixed seat 22 and then communicated with the extension tube 46; the single-chip microcomputer is connected with the power supply, and the single-chip microcomputer is connected with the electromagnetic valve 45 and transmits electric energy to the electromagnetic valve 45 at the same time; shell 10, shell 10 is solid of revolution structure, shell 10 accomodates above-mentioned part wherein, shell 10's inner wall with preceding fixing base 21 with back fixing base 22 fixed connection, initiative supporting seat 31 with passive supporting seat 32 is at shell 10 internalization, the output of Y shape syringe needle 50 is flexible at the tip of shell 10, two infusion tube 60 wears out shell 10 and outwards extends, be equipped with a plurality of buttons 12 on the shell 10, the singlechip is connected to each button 12, is equipped with data interface on the shell 10, and via this data interface, the singlechip can communicate with external computer.
The rear portion of the housing 10 in fig. 1 is sufficiently large to accommodate the power supply, circuit board, corresponding buttons 12 and data interface. The Y-shaped needle 50 has two thick input ends (which are conducted and closed by the electromagnetic valve 45) and are respectively fixedly connected with the passive support seat 32, and the output end of the Y-shaped needle 50 is longer and thinner and is used for being inserted into the body of a patient.
When the device is operated, the front fixed seat 21 and the rear fixed seat 22 are kept still, the screw rod 41 is self-rotated, and the freedom degree of the active support seat 31 is limited by the two guide rods 42 (the active support seat 31 can only move along the axial direction of the guide rods 42). The motor 70 fully controls the rate of movement of the passive bearing 32 and the presence of the bellows 46 allows the active bearing 31 to maintain path integrity regardless of movement. In fig. 1, it can be seen that the infusion tube 60, the extension tube 46, the push rod 43, and the Y-shaped needle 50 are sequentially communicated and coaxial, and the front fixing seat 21, the rear fixing seat 22, the passive support seat 32, and the active support seat 31 are similar to a middle rotating component, and mainly play a role in bearing and bearing. Because the pipeline does not need to bear large force, the connection modes of various pipelines, a fixed seat and a supporting seat are mainly sealed by glue. Closing one of the electromagnetic valves 45 and introducing anesthetic liquid into one path; the solenoid valve 45 in the anesthetic path is then closed and the solenoid valve 45 in the other path is opened, at which time negative pressure is applied to aspirate the tumor sample.
The front fixed seat 21, the rear fixed seat 22, the passive support seat 32 and the active support seat 31 are all disc structures, are coaxial when being arranged, and have the difference that the outer diameter can be properly adjusted; looking at the disc structure alone, it is understood that four perforations or mounting holes are provided on the disc basis. For example, the active supporting seat 31 is in a cross shape, the screw rod 41 is arranged in the middle, the two guide rods 42 are respectively located at 0 ° and 180 °, and the two push rods 43 are respectively located at 90 ° and 270 °; and a large space may exist between the outside of the active support seat 31 and the housing 10, which facilitates the wire crossing of the solenoid valve 45. For the rear fixing seat 22, a plurality of holes for wiring can be hollowed out on the rear fixing seat 22, and the periphery of the rear fixing seat 22 can also be made into a cross shape.
The active bearing 31 is thin, and in order to increase the contact area with the guide rod 42 and improve the stability of the movement, the active bearing 31 is provided with a bushing 44 having an axial length greater than that of the active bearing 31 at a position penetrated by the guide rod 42.
In this embodiment, the bellows 46 is a bellows or an elastic tube.
The shell 10 mainly adopts stainless steel, the shell 10 is a cylinder structure, the shell 10 is divided into two semi-annular structures, and the two semi-annular structures are detachably spliced through screws. Preceding fixing base 21 with back fixing base 22 is the disc structure, the inner wall of shell 10 is equipped with two rings interval distribution's slot along the axial, two rings the slot centre gripping respectively preceding fixing base 21 with back fixing base 22 (restriction axial degree of freedom), the inner wall of slot is equipped with the sawtooth arch, correspondingly preceding fixing base 21 with the side of back fixing base 22 is equipped with the sawtooth arch, and two sawtooth archs interlock each other (restriction radial degree of freedom), ensure that preceding fixing base 21 and back fixing base 22 can not the rotation rock.
Preferably, the housing 10 is provided with an arc-shaped handle 11 for facilitating the finger of an operator to pass through. The head and the tail of the handle 11 are provided with two screws, the two screws at the head of the handle 11 are respectively connected to the two semi-ring structures, and the two screws at the tail of the handle 11 are respectively connected to the two semi-ring structures. In the assembly process, the handle 11 can be used for reinforcing the two-piece semi-annular structure besides being connected with the shell 10, and the handle 11 can effectively prevent the two pieces of semi-annular structure from being separated.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. A tumor puncture extraction device, characterized by comprising:
the front fixing seat and the rear fixing seat are of a revolving body structure and are coaxially arranged, a lead screw is hinged between the front fixing seat and the rear fixing seat, only the freedom degree of spinning is reserved for the lead screw, at least two fixed guide rods are arranged between the front fixing seat and the rear fixing seat, a coupler and a motor which are sequentially connected are arranged on one side of the rear fixing seat far away from the front fixing seat, and the lead screw spins around the axis line of the lead screw under the driving of the motor;
the driving support seat and the driven support seat are of a revolving body structure, the driving support seat is arranged between a front fixing seat and a rear fixing seat, the driving support seat is penetrated through by a guide rod and a lead screw, the driving support seat is connected with the guide rod in a sliding mode, the driving support seat is connected with the lead screw in a threaded mode, the driven support seat is arranged in front of the front fixing seat, a Y-shaped needle head is arranged in front of the driven support seat, two input ends of the Y-shaped needle head are respectively fixed on the driven support seat, and correspondingly, the driven support seat is provided with two through holes connected with the Y-shaped needle head on the back;
the two push rods are of hollow structures and penetrate through the front fixing seat, the front ends of the two push rods are respectively communicated with two inlets of the Y-shaped needle head, the rear ends of the two push rods are respectively communicated with the active supporting seat, correspondingly, two through holes connected with the push rods are formed in the back of the active supporting seat, and electromagnetic valves used for sealing or conducting internal channels of the push rods are arranged at the joints of the two push rods and the active supporting seat;
the two telescopic pipes are respectively arranged between the active supporting seat and the rear fixing seat, and the telescopic pipes, the push rod and the Y-shaped needle head are sequentially communicated at the moment;
the output ends of the two infusion tubes are respectively connected to the rear fixed seat and then communicated with the telescopic tube;
the single chip microcomputer is connected with the power supply and is connected with the electromagnetic valve to transmit electric energy to the electromagnetic valve;
the shell, the shell is solid of revolution structure, the shell is accomodate above-mentioned part wherein, the inner wall of shell with preceding fixing base with back fixing base fixed connection, initiative supporting seat with passive supporting seat is in the shell activity, the output of Y shape syringe needle is flexible at the tip of shell, two the transfer line is worn out the shell and is outwards extended, be equipped with a plurality of buttons on the shell, the singlechip is connected to each button.
2. The tumor puncture extraction device of claim 1, wherein: the shell is of a cylindrical structure and is divided into two semi-annular structures, and the two semi-annular structures are detachably spliced through screws.
3. The tumor puncture extraction device of claim 2, wherein: preceding fixing base with the back fixing base is the disc structure, the inner wall of shell is equipped with two rings interval distribution's slot along the axial, two rings the slot centre gripping respectively preceding fixing base with the back fixing base, the inner wall of slot is equipped with the sawtooth arch, correspondingly preceding fixing base with the side of back fixing base is equipped with the sawtooth arch, and two sawtooth archs interlock each other.
4. A tumor puncture extraction device according to claim 3, wherein: the shell is provided with an arc-shaped handle.
5. The tumor puncture extraction device of claim 4, wherein: the head and tail ends of the handle are provided with two screws, the two screws at the head end of the handle are respectively connected to the two semi-annular structures, and the two screws at the tail end of the handle are respectively connected to the two semi-annular structures.
6. The tumor puncture extraction device of claim 1, wherein: the telescopic pipe is a corrugated pipe or an elastic pipe.
7. The tumor puncture extraction device of claim 1, wherein: the active supporting seat is in a cross shape, the screw rod is arranged in the middle, the two guide rods are respectively located at 0-degree and 180-degree positions, and the two push rods are respectively located at 90-degree and 270-degree positions.
8. The tumor puncture extraction device of claim 7, wherein: and the active support seat is provided with a shaft sleeve of which the axial length is greater than that of the active support seat at the position penetrated by the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877585.0A CN112022226A (en) | 2020-08-27 | 2020-08-27 | Tumor puncture extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877585.0A CN112022226A (en) | 2020-08-27 | 2020-08-27 | Tumor puncture extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112022226A true CN112022226A (en) | 2020-12-04 |
Family
ID=73585854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010877585.0A Withdrawn CN112022226A (en) | 2020-08-27 | 2020-08-27 | Tumor puncture extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112022226A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741656A (en) * | 2021-02-05 | 2021-05-04 | 赵晓 | Tumor puncture extraction device |
| CN114366880A (en) * | 2022-03-01 | 2022-04-19 | 深圳市宝安区妇幼保健院 | Medical ovarian tumor imbibition device |
| WO2022141622A1 (en) * | 2021-01-04 | 2022-07-07 | 苏州市立普医疗科技有限公司 | Biopsy needle actuating device and fully automatic biopsy device |
-
2020
- 2020-08-27 CN CN202010877585.0A patent/CN112022226A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022141622A1 (en) * | 2021-01-04 | 2022-07-07 | 苏州市立普医疗科技有限公司 | Biopsy needle actuating device and fully automatic biopsy device |
| CN112741656A (en) * | 2021-02-05 | 2021-05-04 | 赵晓 | Tumor puncture extraction device |
| CN112741656B (en) * | 2021-02-05 | 2022-12-23 | 赵晓 | Tumor puncture extraction device |
| CN114366880A (en) * | 2022-03-01 | 2022-04-19 | 深圳市宝安区妇幼保健院 | Medical ovarian tumor imbibition device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112022226A (en) | Tumor puncture extraction device | |
| US9987468B2 (en) | Reduced force device for intravascular access and guidewire placement | |
| WO2023125570A1 (en) | Interventional injection device and interventional injection system | |
| CN113598952B (en) | Catheter conveying device, interventional operation robot and catheter driving method | |
| CN107775632B (en) | A kind of forearm vein Needle-driven Robot | |
| CN216319399U (en) | Vascular catheter sheath for interventional therapy | |
| CN113288356B (en) | Central venous puncture device | |
| CN113425390B (en) | Magnetic drive type flexible needle puncture mechanism | |
| CN215309239U (en) | Central venous puncture device | |
| CN205548643U (en) | Percutaneous lung puncture positioning tool | |
| CN210277306U (en) | Trocar for treating cystic cirrhosis | |
| CN209422055U (en) | Sacculus integrated lancing sheath | |
| CN201006083Y (en) | Single-track micro-conduit intracavity injection device | |
| CN2531814Y (en) | Disposable vaginal tube | |
| CN221470539U (en) | Anorectal surgery flushing device | |
| CN215537200U (en) | Emulsification laxative device of usefulness in intervene | |
| CN201168006Y (en) | Extirpator of tumor | |
| CN215018241U (en) | Pipeline closer | |
| CN220070458U (en) | Convenient machine of dosing of changing | |
| CN220656081U (en) | Auxiliary postoperative dressing change device for anorectal department | |
| CN219557402U (en) | Intracavity medical instrument driving device | |
| CN219645784U (en) | Intracavity medical instrument control module and connecting valve thereof | |
| CN221513202U (en) | Rotatable ureteral guide sheath | |
| CN217960855U (en) | Rapid blood transfusion device | |
| CN109044499A (en) | Sacculus integrated lancing sheath |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201204 |