Integrated implantation assembly of implantation type biosensorTechnical Field
The invention relates to the technical field of biosensors, in particular to an integrated implantation assembly of an implantation type biosensor.
Background
For diabetes groups, the traditional fingertip glucometer has the defects of wound, limited information quantity, incapability of reflecting blood sugar fluctuation, early warning and the like, can not meet the needs of partial people, and has great significance especially for type 1 diabetes patients with real-time transmission requirements on blood sugar fluctuation and type 2 diabetes patients needing insulin strengthening treatment.
Because of the need of continuous blood sugar monitoring, the sensor is implanted into subcutaneous tissue of human body by adopting an integrated implantation component and an internal component of the implanted biological sensor, the blood sugar concentration between tissue fluids is measured by a practically available continuous monitoring means, the single service life of the sensor is one to two weeks, the pain caused by continuous fingertip blood sampling and vein blood sampling processes is greatly relieved, the problems of complex operation of a user, long implantation process time, easy false triggering of a pushing device and the like of the implantation device on the market at present are caused, and the compliance (the compliance, patient compliance/TREATMENT COMPLIANCE, also called compliance and compliance) of the user is reduced, the patient performs treatment according to doctor's specification, acts consistent with the advice, the habit is called "cooperation" of the patient, otherwise called non-compliance ") and experience sense are caused.
The emitter (device for emitting the monitored biological signals) is small in size and helps to improve wearing experience, in the existing integrated product, the emitter is in a working or silent state when being placed into the emitter, but no matter which way the emitter and the sensor component are electrically connected, in the smaller size of the emitter, the battery capacity is not large due to the limitation of the battery, and the hardware is required to have extremely low power consumption so as to meet the requirements of the Shelf life (Shelf life, or package life) of the product, which is the guarantee and promise of the quality efficacy in the commodity circulation period.
Disclosure of Invention
In view of the foregoing, the present invention provides a support structure for a biosensor assembly prior to implantation that is capable of effectively supporting the sensor assembly such that the sensor assembly and the emitter are in a separated state.
An integrated implantation assembly of an implantation type biological sensor comprises a main shell, a needle-carrying piece, a compression spring, a main sliding seat, a fixed seat, an anti-triggering sleeve and a protective shell;
the relative movement of the components is in three stages:
Removing the trigger preventing sleeve, fixing the bottom surface of the protective shell, pressing the main shell, driving the needle carrying piece, the compression spring, the main sliding seat and the fixed seat to move relative to the protective shell by the main shell, and clamping and assembling the emitter of the sensor lacking component arranged at the bottom of the fixed seat and the sensor component arranged in the protective shell to form the emitter of the sensor component, wherein the needle carrying piece clamps the needle seat end surface of the needle assisting piece through the inner clamping jaw;
Removing the protective shell, enabling the bottom surface of the main sliding seat to be attached to the skin surface, pressing the main shell, enabling the main shell to drive the needle carrying piece and the fixing seat to move downwards relative to the main sliding seat, enabling the needle carrying piece and the fixing seat to drive the emitter, the sensor assembly and the needle assisting piece to move downwards simultaneously, enabling the bottom surface of the emitter to be adhered to the skin surface, enabling the sensor electrode of the sensor assembly to be implanted under the skin by using the needle for implanting the needle assisting piece, enabling the convex bone position of the main sliding seat to gradually move towards the upper part of the first sliding groove to be close to the outer hanging arm of the needle carrying piece, and enabling the compression spring to be in a compressed state;
And the third stage, namely pushing the outer hanging arm out of the first sliding groove by the convex bone position, releasing the compression spring, pushing the needle carrying piece to move in the direction away from the bottom surface of the main sliding seat by the compression spring, and driving the needle carrying piece to complete needle withdrawing by the needle carrying piece.
Preferably, the anti-triggering device further comprises an anti-triggering sleeve, wherein the middle part and the lower part of the main shell are sleeved in the protective shell, the anti-triggering sleeve is sleeved on the middle upper part of the main shell, and the upper end face and the lower end face of the anti-triggering sleeve respectively prop against the lower end face of the step of the main shell and the upper end face of the protective shell;
The implantable biosensor includes a transmitter and sensor assembly of a fabricated design;
Before the trigger preventing sleeve is removed, the emitter and the sensor assembly are in a separated state, the sensor assembly is placed in a lower position inside the protective shell, and the emitter is clamped at the lower position of the fixing seat;
After the trigger preventing sleeve is removed, acting force is applied, so that the main shell moves relative to the protective shell, the lower end face of the step of the main shell gradually approaches to and abuts against the upper end face of the protective shell, meanwhile, the emitter clamped at the lower position of the fixing seat and the sensor component placed in the protective shell are clamped, the emitter and the sensor component are electrically connected and assembled in a physical structure, and an internal circuit of the emitter is conducted.
Preferably, the inner bottom wall of the protective shell is provided with a sensor assembly supporting table and more than 2 temporary supporting arms;
the sensor assembly supporting table is positioned between more than 2 temporary supporting arms, and the upper part of the inner side of each temporary supporting arm is provided with an oblique angle;
more than two L-shaped frame arms extend out of two sides of the component sliding seat, and component through holes are formed in the inner bottom wall of the component sliding seat;
The inner end surface of the upper part of the L-shaped frame arm is pressed on the oblique angle, and the first clamping protrusion penetrates through the assembly through hole to be clamped at the upper part of the inner bottom wall, so that the support and the positioning of the protective shell on the assembly sliding seat are realized;
when downward acting force is applied to the assembly sliding seat, the L-shaped frame arm pushes the temporary support arm to radially outwards spring through the oblique angle, so that the assembly sliding seat moves downwards relative to the protective shell.
Preferably, the inner bottom wall extends inwards for more than 1 arc-shaped clamping arms, and the arc-shaped clamping arms can elastically deform;
Before the implantation device is assembled, the sensor component and the auxiliary needle component are supported, the sensor component passes through the component through hole and is placed on the sensor component supporting table, the auxiliary needle component is pressed on the upper part of the sensor component, the implantation needle of the auxiliary needle component is inserted into the auxiliary needle accommodating blind hole, and the end part of the arc-shaped clamping arm is clamped at the end surface of the clamping part of the auxiliary needle component;
When the implantation device is assembled, the lower end face of the emitter applies downward acting force to the upper end face of the assembly sliding seat, the L-shaped frame arm pushes the temporary support arm to radially and outwards spring through the oblique angle, so that the assembly sliding seat moves downwards relative to the protective shell to lose pressure contact between the sensor assembly and the needle assisting assembly, the assembly clamping hole of the emitter penetrates through the sensor assembly and clamps the sensor assembly, the electrical connection and physical structure assembly of the emitter and the sensor assembly are realized, and the internal circuit of the emitter is conducted.
Preferably, the number of the arc-shaped clamping arms is 2, and the 2 arc-shaped clamping arms are symmetrically arranged in the assembly sliding seat.
Preferably, the 2 arc-shaped clamping arms are symmetrically clamped at the end faces of the two sides of the clamping part of the needle assisting piece.
Preferably, the sensor assembly supporting table is provided with positioning protrusions, the number of the positioning protrusions is more than 2, and the positioning protrusions are used for being matched and positioned with the positioning holes in the bottom of the sensor assembly.
Preferably, the sensor assembly support table has a height greater than the height of the assembly slide mount.
Preferably, an annular gap is provided between the peripheral wall of the needle-receiving blind hole and the peripheral wall of the sensor assembly support table.
Preferably, the number of the externally hung arms with the needle part is more than 2, the more than 2 externally hung arms are positioned on the periphery of the inner claw, and the end parts of the externally hung arms are provided with second clamping protrusions;
The fixing seat comprises an upper wall body in a semi-surrounding or full-surrounding state, a plurality of sections of arc ring wall bodies at the bottom and a first partition wall at the middle part, and first sliding grooves are respectively formed in two sides of the lower part of the upper wall body;
the main body with the needle is positioned in the upper wall body;
in the first stage and the second stage of the movement, the bottom surface of the compression spring is pressed on the top surface of the first partition wall, the compression spring is sleeved outside the inner clamping jaw, the compression spring is positioned on the inner sides of more than 2 externally hung arms, the second clamp is convexly clamped on the top end of the first sliding groove, the top surface of the compression spring is propped against the upper end surface of the inner part of the pin-carrying piece, and the compression spring is in a compression state;
in the third stage of the movement, the second clamping protrusion is withdrawn from the first sliding groove, the compression spring is elastically released, the needle-carrying piece is pushed to move upwards, and when the top end of the needle-carrying piece abuts against the lower end face of the main shell, the needle-carrying piece reaches the upper limit position.
Preferably, the device further comprises an upper cover, more than two arc-shaped cantilever beams are arranged at the bottom of the upper cover, arc-shaped holes are formed in the arc-shaped cantilever beams, more than two arc-shaped clamping protrusions are arranged on the inner wall of the upper portion of the main shell, and the arc-shaped clamping protrusions are clamped at the arc-shaped holes to realize assembly of the upper cover and the main shell.
Preferably, the bottom of the upper cover forms a convex spigot structure, the upper part of the main shell forms a concave spigot structure, and the convex spigot structure of the upper cover is matched with the concave spigot structure of the main shell to realize that the lower part of the upper cover is clamped on the upper part of the main shell.
Preferably, the device further comprises a baffle, wherein more than 2 first cantilever clamping beams are arranged at the lower part of the baffle, first clamping protrusions are arranged at the lower ends of the first cantilever clamping beams, and more than 2 first clamping holes are formed in the upper wall body of the fixing seat;
Each first clamping bulge is clamped at the first clamping hole, the bottom surface of the baffle plate is pressed on the top surface of the upper wall body, and the top surface of the baffle plate is abutted under the bottom surface of the upper cover.
The bottom surface of upper cover is provided with first cross strengthening rib, and the bottom surface of first cross strengthening rib supports on the top surface of separation blade, and first cross strengthening rib has reduced the cooperation area that has improved upper cover and separation blade, has improved machining precision, has increased the pressfitting dynamics of lock.
The inboard of the upper portion wall of fixing base is provided with the vertical draw-in groove of second more than 2, and the lower part of separation blade sets up the joint muscle more than 2, every joint muscle card in the vertical draw-in groove department of second.
When the top end of the needle-carrying piece is propped against the lower end face of the main shell, the top end of the needle-carrying piece is propped against the bottom face of the baffle plate.
Preferably, the main sliding seat comprises a bottom annular wall body, a middle second partition wall and an upper clamping wall, the second partition wall is provided with a second fixing seat via hole, and the hole wall of the second fixing seat via hole extends inwards to form two convex bone positions;
The multistage arc annular wall body is located the inboard of bottom annular wall body, and upper portion wall body passes the second fixing base via hole, and protruding bone position is located first groove that slides, and protruding bone position can slide along first groove that slides and set up.
The first stage of the movement, the raised bone is located at the bottom end of the first sliding groove, the second stage of the movement, the raised bone gradually moves to the upper end of the first sliding groove, and the first stage of the third stage, the raised bone ejects the second clamp.
Preferably, the inner wall of the clamping wall is provided with a fourth vertical clamping groove, the outer side of the upper wall body is provided with more than 2 first vertical clamping strips, and the first vertical clamping strips are clamped in the fourth vertical clamping groove.
Preferably, the main housing comprises a lower cavity, a compartment plate and an upper cavity;
more than 2 cantilever interference beams are arranged at the lower part of the separation cavity plate, and a third clamping protrusion is arranged at the end part of each cantilever interference beam;
the wall body of the clamping wall is provided with a clamping convex groove;
In the initial stage of the third stage, the force pressed on the top of the main shell makes the main shell and the fixed seat reach a starting limit state relative to the main sliding seat, the top of the clamping wall pushes the third clamping protrusion to two sides, the force pressed on the top of the main shell is continued until the third clamping protrusion is clamped into the clamping protrusion groove, and at the same time, the second clamping protrusion is ejected from the first sliding groove by the raised bone position.
Preferably, the multi-section arc ring wall body comprises more than 2 clamping arms extending circumferentially, and the clamping arms hug the emitter from the circumferential side;
the inner wall of the bottom annular wall body is provided with more than 2 second clamping strips, and the second clamping strips do not extend to the bottom end of the bottom annular wall body;
The second clamping strip is clamped at the outer side of the clamping arm in the first stage and the second stage of movement, and the outer side of the clamping arm is separated from the constraint of the second clamping strip in the third stage of movement.
Preferably, the outer wall of the needle-carrying piece is provided with more than two second vertical sliding strips, the inner wall of the upper wall body is provided with more than two vertical guide grooves, and the second vertical sliding strips are slidably arranged along the vertical guide grooves.
Preferably, the top surface of the emitter abuts against the bottom surface of the first partition wall of the fixing seat.
Preferably, the compartment plate is provided with a first fixing seat via hole, and the upper part of the upper wall body passes through the first fixing seat via hole from the lower cavity to enter the upper cavity.
Preferably, more than 2 third vertical clamping grooves are formed in the upper cavity, the upper portion of each first vertical clamping strip is clamped in one third vertical clamping groove, and the lower portion of each first vertical clamping strip is clamped in the fourth vertical clamping groove.
Preferably, the inner wall of the trigger preventing sleeve is provided with more than two first protruding rib positions, the inner wall of the protective shell is provided with more than two second protruding rib positions, the lower part peripheral side wall body of the main shell is provided with more than two first vertical clamping grooves, and each first protruding rib position and one corresponding second protruding rib position are clamped into one first vertical clamping groove from top to bottom.
Preferably, the anti-triggering sleeve is provided with a vertical opening, and can be elastically broken off, so that the sleeving state of the main shell is relieved.
Preferably, the first vertical clamping groove radially penetrates through the lower wall body of the main shell.
The clamping of the second protruding rib position is convenient to clamp, and the clamping is firm.
Preferably, the lower peripheral side wall of the main shell is provided with more than two non-penetrating first clamping grooves, and the inner wall of the protective shell is provided with more than two corresponding first protruding buckling positions;
After the trigger preventing sleeve is removed, acting force is applied, so that when the main shell moves relative to the protective shell, the first protruding buckling position withdraws from the first clamping groove.
The invention has the beneficial effects that the invention discloses an integrated implantation assembly of an implantation type biosensor, which comprises a main shell, a needle-carrying piece, a compression spring, a main sliding seat, a fixed seat, an anti-triggering sleeve and a protective shell;
the relative movement of the components is in three stages:
Removing the trigger preventing sleeve, fixing the bottom surface of the protective shell, pressing the main shell, driving the needle carrying piece, the compression spring, the main sliding seat and the fixed seat to move relative to the protective shell by the main shell, and clamping and assembling the emitter of the sensor lacking component arranged at the bottom of the fixed seat and the sensor component arranged in the protective shell to form the emitter of the sensor component, wherein the needle carrying piece clamps the needle seat end surface of the needle assisting piece through the inner clamping jaw;
Removing the protective shell, enabling the bottom surface of the main sliding seat to be attached to the skin surface, pressing the main shell, enabling the main shell to drive the needle carrying piece and the fixing seat to move downwards relative to the main sliding seat, enabling the needle carrying piece and the fixing seat to drive the emitter, the sensor assembly and the needle assisting piece to move downwards simultaneously, enabling the bottom surface of the emitter to be adhered to the skin surface, enabling the sensor electrode of the sensor assembly to be implanted under the skin by using the needle for implanting the needle assisting piece, enabling the convex bone position of the main sliding seat to gradually move towards the upper part of the first sliding groove to be close to the outer hanging arm of the needle carrying piece, and enabling the compression spring to be in a compressed state;
And the third stage, namely pushing the outer hanging arm out of the first sliding groove by the convex bone position, releasing the compression spring, pushing the needle carrying piece to move in the direction away from the bottom surface of the main sliding seat by the compression spring, and driving the needle carrying piece to complete needle withdrawing by the needle carrying piece.
The integrated implantation assembly is adopted, and the clamping assembly is completed only by arranging the sensor assembly inside the emitter and the protective shell of the sensor-lacking assembly arranged at the bottom of the fixed seat in the first stage of implantation, so that the power consumption of shelf time is avoided.
Drawings
The integrated implant assembly of an implantable biosensor according to the present invention is further described with reference to the accompanying drawings.
Fig. 1 is an assembly view of a sliding seat and a protective housing of an implantable biosensor integrated implant assembly according to the present invention, including a needle-aid and a sensor assembly.
Fig. 2 is an exploded view of the sliding seat and protective housing of the implantable biosensor integrated implant assembly of the present invention, including the emitter, the needle assist member, and the sensor assembly.
Fig. 3 is a schematic view showing the structure of an assembly sliding seat of an integrated implant assembly of an implantable biosensor according to the present invention.
Fig. 4 is a schematic structural view of a protective case of an integrated implant assembly of an implantable biosensor according to the present invention.
Fig. 5 is an exploded view of an implantable component of an implantable biosensor according to the present invention, including an emitter, a needle assist member, and a sensor assembly.
Fig. 6 is a partially exploded schematic view of an implantable component of an implantable biosensor according to the present invention, with the upper cover and the baffle removed.
Fig. 7 is a schematic view of the structure of a main housing of an integrated implant assembly of an implantable biosensor according to one aspect of the present invention.
Fig. 8 is a schematic structural view of a fixing base of an integrated implant assembly of an implantable biosensor according to the present invention.
Fig. 9 is a schematic structural view of another view of the main housing of the integrated implant assembly of an implantable biosensor according to the present invention.
Fig. 10 is a schematic view of the structure of a needled component of an implantable biosensor integrated implant assembly of the present invention.
FIG. 11 is a schematic view of the structure of a main sliding seat of an integrated implant assembly of an implantable biosensor according to one aspect of the present invention.
Fig. 12 is a schematic view of the main sliding seat of the integrated implant assembly of an implantable biosensor according to another view angle.
In the figure:
2-a baffle; 21-a first cantilever snap beam; 211-first clamping protrusions; 22-clamping ribs, 3-main housing, 301-lower cavity, 302-upper cavity, 31-first vertical clamping groove, 32-first clamping groove, 35-arc-shaped clamping projection, 37-third vertical clamping groove, 39-partition plate, 391-first fixing seat via hole, 392-cantilever interference beam, 3921-third clamping projection, 4-with needle piece, 41-inner clamping jaw, 42-outer hanging arm, 421-second clamping projection, 43-second vertical sliding strip, 5-compression spring, 6-main sliding seat, 61-bottom annular wall, 611-second clamping strip, 62-second partition wall, 621-second fixing seat via hole, 622-protruding bone position, 63-clamping wall, 631-fourth vertical clamping groove, 632-clamping projection groove, 7-fixing seat, 71-upper wall, 713-first clamping hole, 713-first clamping groove, 714-vertical guide groove, 715-first vertical clamping strip, 72-multistage arc-annular wall body, 721-clamping arm, 73-second clamping arm, 11-second clamping strip, 43-second vertical sliding seat, 5-compression spring, 6-main sliding seat, 61-bottom annular wall body, 611-second clamping strip, 62-second partition wall, 621-second fixing seat via hole, 622-protruding bone position, 63-clamping wall, 631-fourth vertical clamping groove, 632-first vertical clamping projection, 711-partition plate, 714-first fixing seat via hole, 7-upper fixing seat via hole, 71-upper wall body, 711-first clamping projection, 711-first vertical sliding strip, 72-vertical clamping strip, 72-vertical sliding strip, 72-upper wall, 72-arc-shaped, 721 sliding annular wall, a third clamping arm, 721, a clamping arm, a is, a clamping arm, a clamping and a clamping a is, a and a clamping a and a clamping a clamping a and a clamping a clamping a First clamping convex, 1512-positioning convex, 1513-auxiliary needle accommodating blind hole, 152-temporary supporting arm, 1521-oblique angle, 155-second convex rib position, 156-first convex buckling position, 01-upper cover, 011-arc cantilever beam, 0111-arc hole and 012-first cross reinforcing rib.
Detailed Description
The following describes an implantable biosensor integrated implant assembly according to the present invention with reference to fig. 1 to 12.
An integrated implantation component of an implantation type biological sensor comprises a main shell 3, a needle part 4, a compression spring 5, a main sliding seat 6, a fixed seat 7, an anti-triggering sleeve 14 and a protective shell 15;
the relative movement of the components is in three stages:
Removing an anti-triggering sleeve 14, fixing the bottom surface of a protective shell 15, pressing a main shell 3, driving a needle carrying component 4, a compression spring 5, a main sliding seat 6 and a fixed seat 7 to move relative to the protective shell 15 by the main shell 3, and completing clamping assembly of a sensor component-lacking emitter 10 arranged at the bottom of the fixed seat 7 and a sensor component 12 arranged in the protective shell 15 to form a sensor component-lacking emitter, wherein the needle carrying component 4 clamps a needle seat end surface 112 of a needle assisting component 11 through an inner clamping jaw 41;
The second stage, the protective shell 15 is removed, the bottom surface of the main sliding seat 6 is stuck to the skin surface, the main housing 3 is pressed, the main housing 3 drives the needle carrying piece 4 and the fixed seat 7 to move downwards relative to the main sliding seat 6, the needle carrying piece 4 and the fixed seat 7 drive the emitter 10, the sensor component 12 and the needle assisting piece 11 to move downwards simultaneously, the bottom surface of the emitter 10 is adhered to the skin surface, the implantation needle 111 of the needle assisting piece 11 implants the sensor electrode 121 of the sensor component 12 under the skin bottom, the raised bone 622 of the main sliding seat 6 gradually moves towards the upper part of the first sliding groove 713 to be close to the outer hanging arm 42 of the needle carrying piece 4, and the compression spring 5 is in a compressed state;
in the third stage, the protruding bone 622 pushes the outer hanging arm 42 out of the first sliding groove 713, the compression spring 5 is released, the compression spring 5 pushes the needle carrying member 4 to move away from the bottom surface of the main sliding seat 6, and the needle carrying member 4 drives the needle assisting member 11 to complete needle withdrawing.
In this embodiment, the device further comprises an anti-triggering sleeve 14, the middle part and the lower part of the main housing 3 are sleeved in the protective housing 15, the anti-triggering sleeve 14 is sleeved on the middle upper part of the main housing 3, and the upper end face and the lower end face of the anti-triggering sleeve 14 respectively prop against the lower end face of the step of the main housing 3 and the upper end face of the protective housing 15;
The implantable biosensor includes a transmitter 10 and a sensor assembly 12 of a fabricated design;
Before the trigger preventing sleeve 14 is removed, the emitter 10 and the sensor assembly 12 are in a separated state, the sensor assembly 12 is placed in a lower position inside the protective shell 15, and the emitter 10 is clamped at the lower position of the fixed seat 7;
After the trigger preventing sleeve 14 is removed, an acting force is applied to enable the main shell 3 to move relative to the protective shell 15, the lower end face of the step of the main shell 3 is gradually close to and abuts against the upper end face of the protective shell 15, meanwhile, the emitter 10 clamped at the lower portion of the fixing seat 7 and the sensor assembly 12 placed in the protective shell 15 are clamped, and therefore the emitter 10 and the sensor assembly 12 are electrically connected and assembled in a physical structure, and an internal circuit of the emitter 10 is conducted. After the sensor assembly 12 is clamped to the transmitter 10, at the same time, a spring pin arranged on the sensor assembly 12 is inserted into a power hole of the transmitter, and the whole system circuit of the transmitter is changed from a power-off state to a power-on state. The spring needle driving power hole can be conducted in different modes that the hole walls on the left side and the right side of the ① power hole are not completely plated with copper, are in a non-communication state, are in an off state, and are communicated after the spring needle is inserted, a trigger switch is arranged in the ② power hole, and the power is conducted through the spring needle abutting against the trigger switch.
In this embodiment, the transmitter 10 includes a transmitter upper cover 102, a transmitter PCBA103, and a transmitter bottom case 104. The PCBA is abbreviated as English Printed Circuit Board Assembly, that is, the PCB blank is subjected to SMT (surface mount technology) loading or the whole process of DIP (direct current) plug-in, namely, the PCBA is an assembly formed after relevant electronic components are mounted on a circuit board. Before the first stage is implemented, the transmitter 10 is free of the sensor assembly 12.
In the present embodiment, the inner bottom wall of the protective case 15 is provided with a sensor assembly support table 151 and 2 or more temporary support arms 152;
The sensor assembly support table 151 is positioned between more than 2 temporary support arms 152, and an oblique angle 1521 is arranged at the upper part of the inner side of the temporary support arms 152;
more than two L-shaped frame arms 131 extend from two sides of the component sliding seat 13, and a component through hole 1323 is formed in the inner bottom wall 132 of the component sliding seat 13;
the inner end surface of the upper part of the L-shaped frame arm 131 is pressed on the bevel 1521, the first clamping protrusion 1511 penetrates through the component through hole 1323 to be clamped on the upper part of the inner bottom wall 132, so that the supporting and positioning of the protective shell 15 on the component sliding seat 13 are realized, the fifth clamping protrusion 1323 is arranged on the inner bottom wall 132, and the first clamping protrusion 1511 is clamped on the upper part of the fifth clamping protrusion 1323.
When downward force is applied to the assembly slide 13, the L-shaped frame arm 131 pushes the temporary support arm 152 radially outward through the bevel 1521, so that the assembly slide 13 moves downward relative to the protective case 15.
In the embodiment, the inner bottom wall 132 extends inwards to form more than 1 arc clamping arms 1322, and the arc clamping arms 1322 can elastically deform;
before the implantation device is assembled, the sensor assembly 12 and the needle assisting component 11 are supported, wherein the sensor assembly 12 passes through the assembly through hole 1323 and is placed on the sensor assembly supporting table 151, the needle assisting component 11 is pressed on the upper part of the sensor assembly 12, the implantation needle 111 of the needle assisting component 11 is inserted into the needle assisting accommodating blind hole 1513, and the end part of the arc-shaped clamping arm 1322 is clamped at the end face of the clamping part of the needle assisting component 11;
When the implanting device is assembled, when downward acting force is applied to the upper end face of the component sliding seat 13 by the lower end face of the emitter 10, the L-shaped frame arm 131 pushes the temporary supporting arm 152 to spring outwards in the radial direction through the bevel 1521, so that the component sliding seat 13 moves downwards relative to the protective shell 15 to lose pressure contact on the sensor component 12 and the needle assisting piece 11, the component clamping hole 101 of the emitter 10 penetrates through the sensor component 12 and clamps the sensor component 12, the electrical connection and physical structure assembly of the emitter 10 and the sensor component 12 are realized, and the internal circuit of the emitter 10 is conducted.
In this embodiment, the number of the arc-shaped clamping arms 1322 is 2, and the 2 arc-shaped clamping arms 1322 are symmetrically disposed inside the assembly sliding seat 13.
In this embodiment, the 2 arc-shaped clamping arms 1322 are symmetrically clamped at the end surfaces of the two sides of the clamping part of the needle-assisting piece 11.
In this embodiment, the sensor assembly support base 151 is provided with positioning protrusions 1512, the number of the positioning protrusions 1512 is more than 2, and the positioning protrusions 1512 are used for matching with positioning holes at the bottom of the sensor assembly 12.
In this embodiment, the sensor assembly support stand 151 has a height greater than the height of the assembly slide 13.
In this embodiment, an annular gap is provided between the outer peripheral wall of the needle-holding blind hole 1513 and the outer peripheral wall of the sensor assembly support table 151.
In the present embodiment, the number of the external hanging arms 42 with the needle 4 is more than 2, the external hanging arms 42 with more than 2 are located at the circumference side of the inner claw 41, and the end part of the external hanging arm 42 is provided with a second clamping protrusion 421;
The fixed seat 7 comprises an upper wall body 71 in a semi-surrounding or full-surrounding state, a multi-section arc ring wall body 72 at the bottom and a first partition wall 73 in the middle, and first sliding grooves 713 are respectively formed in two sides of the lower part of the upper wall body 71;
the body with needle 4 is located inside the upper wall 71;
in the first stage and the second stage of the movement, the bottom surface of the compression spring 5 is pressed on the top surface of the first partition wall 73, the compression spring 5 is sleeved outside the inner clamping jaw 41, the compression spring 5 is positioned at the inner sides of more than 2 externally hung arms 42, the second clamping convex 421 is clamped at the top end of the first sliding groove 713, the top surface of the compression spring 5 is propped against the upper end surface of the inner part of the needle carrying piece 4, and the compression spring 5 is in a compression state;
in the third stage of the movement, the second catch 421 is withdrawn from the first sliding groove 713, the compression spring 5 is elastically released, and the needle-carrying member 4 is pushed to move upward, and the needle-carrying member 4 reaches the upper limit position when the tip of the needle-carrying member 4 abuts against the lower end face of the main housing 3.
In this embodiment, the assembly device further comprises an upper cover 01, more than two arc-shaped cantilever beams 011 are arranged at the bottom of the upper cover 01, arc-shaped holes 0111 are formed in the arc-shaped cantilever beams 011, more than two arc-shaped clamping protrusions 35 are arranged on the inner wall of the upper portion of the main shell 3, and the arc-shaped clamping protrusions 35 are clamped at the arc-shaped holes 0111 to realize assembly of the upper cover 01 and the main shell 3.
In this embodiment, the bottom of the upper cover 01 forms a male spigot structure, the upper portion of the main housing 3 forms a female spigot structure, and the male spigot structure of the upper cover 01 is matched with the female spigot structure of the main housing 3 to realize that the lower portion of the upper cover 01 is clamped on the upper portion of the main housing 3.
In this embodiment, the device further includes a baffle 2, more than 2 first cantilever clamping beams 21 are provided at the lower part of the baffle 2, a first clamping protrusion 211 is provided at the lower end of the first cantilever clamping beams 21, and more than 2 first clamping holes 711 are provided at the upper wall 71 of the fixing seat 7;
each first clamping protrusion 211 is clamped at the first clamping hole 711, the bottom surface of the baffle plate 2 is pressed against the top surface of the upper wall 71, and the top surface of the baffle plate 2 is abutted under the bottom surface of the upper cover 01.
The bottom surface of upper cover 01 is provided with first cross strengthening rib 012, and the bottom surface of first cross strengthening rib 012 supports on the top surface of separation blade 2, and first cross strengthening rib 012 has reduced the cooperation area that has improved upper cover 01 and separation blade 2, has improved machining precision, has increased the pressfitting dynamics of lock.
The inside of the upper wall 71 of the fixing seat 7 is provided with more than 2 vertical guide grooves 714, the lower part of the baffle 2 is provided with more than 2 clamping ribs 22, and each clamping rib 22 is clamped at one vertical guide groove 714.
When the tip of the needle-carrying member 4 abuts against the lower end face of the main casing 3, the tip of the needle-carrying member 4 abuts against the bottom face of the shutter 2.
In this embodiment, the main sliding seat 6 includes a bottom annular wall 61, a middle second partition wall 62 and an upper clamping wall 63, the second partition wall 62 is provided with a second fixing seat via hole 621, and the hole wall of the second fixing seat via hole 621 extends inwards to form two protruding bone portions 622;
The multi-segment arc annular wall 72 is located at the inner side of the bottom annular wall 61, the upper wall 71 passes through the second fixing seat via hole 621, the protruding bone 622 is located in the first sliding groove 713, and the protruding bone 622 is slidably disposed along the first sliding groove 713.
The convex rib 622 is positioned at the bottom end of the first sliding groove 713 in the first stage of movement, the convex rib 622 gradually moves to the upper end of the first sliding groove 713 in the second stage of movement, and the convex rib 622 ejects the second clamping protrusion 421 in the initial stage of the third stage.
In this embodiment, the inner wall of the clamping wall 63 is provided with a fourth vertical clamping groove 631, and the outer side of the upper wall 71 is provided with more than 2 first vertical clamping strips 715, and the first vertical clamping strips 715 are clamped in the fourth vertical clamping groove 631.
In this embodiment, the main housing 3 includes a lower cavity 301, a compartment plate 39, and an upper cavity 302;
More than 2 cantilever interference beams 392 are arranged at the lower part of the separation cavity plate 39, and a third clamping protrusion 3921 is arranged at the end part of the cantilever interference beams 392;
A clamping convex groove 632 is arranged on the wall body of the clamping wall 63;
In the first and second stages of movement, the third clamping protrusion 3921 is partially pressed on the top end of the clamping wall 63, in the initial stage of the third stage, the force pressing on the top of the main housing 3 makes the main housing 3 and the fixed seat 7 reach a starting limit state relative to the main sliding seat 6, the top end of the clamping wall 63 pushes the third clamping protrusion 3921 to two sides, and the force pressing on the top of the main housing 3 continues until the third clamping protrusion 3921 is clamped into the clamping protrusion groove 632, and at the same time, the second clamping protrusion 421 is ejected from the first sliding groove 713 by the raised bone 622.
In the present embodiment, the multi-segment arc-shaped annular wall 72 includes more than 2 circumferentially extending engaging arms 721, and the engaging arms 721 hug the emitter 10 from the circumferential side;
the inner wall of the bottom annular wall body 61 is provided with more than 2 second clamping strips 611, and the second clamping strips 611 do not extend to the bottom end of the bottom annular wall body 61;
the second clamping bar 611 is clamped at the outer side of the clamping arm 721 in the first stage and the second stage of the movement, and the outer side of the clamping arm 721 is separated from the constraint of the second clamping bar 611 in the third stage of the movement.
In this embodiment, the outer wall of the needle 4 is provided with more than two second vertical sliding strips 43, the inner wall of the upper wall 71 is provided with more than two vertical guiding grooves 714, and the second vertical sliding strips 43 are slidably disposed along the vertical guiding grooves 714.
In this embodiment, the top surface of the emitter 10 abuts against the bottom surface of the first partition wall 73 of the fixing base 7.
In this embodiment, the partition plate 39 is provided with a first fixing base via 391, and the upper portion of the upper wall 71 passes through the first fixing base via 391 from the lower cavity 301 to the upper cavity 302.
In this embodiment, more than 2 third vertical clamping grooves 37 are provided in the upper cavity 302, the upper portion of each first vertical clamping strip 715 is clamped in one third vertical clamping groove 37, and the lower portion of each first vertical clamping strip 715 is clamped in a fourth vertical clamping groove 631.
In this embodiment, the inner wall of the trigger preventing sleeve 14 is provided with more than two first protruding ribs 141, the inner wall of the protective shell 15 is provided with more than two second protruding ribs 155, the lower peripheral sidewall body of the main housing 3 is provided with more than two first vertical clamping grooves 31, and each first protruding rib 141 and a corresponding second protruding rib 155 are clamped into one first vertical clamping groove 31 from top to bottom.
In this embodiment, the anti-triggering sleeve 14 is provided with a vertical opening, and the anti-triggering sleeve 14 can be elastically broken off, so that the sleeving state on the main casing 3 is released.
In this embodiment, the first vertical clamping groove 31 radially penetrates the lower wall of the main housing 3.
The clamping of the second protruding rib position 155 is convenient, clamping can be achieved, and clamping is firm.
In this embodiment, the lower peripheral sidewall of the main housing 3 is provided with more than two non-penetrating first clamping grooves 32, and the inner wall of the protective housing 15 is provided with more than two corresponding first protruding buckling positions 156;
The first protruding buckling position 156 is clamped into the corresponding first clamping groove 32 before the anti-triggering sleeve 14 is removed, and after the anti-triggering sleeve 14 is removed, acting force is applied, so that the first protruding buckling position 156 is withdrawn from the first clamping groove 32 when the main shell 3 moves relative to the protective shell 15.
In this embodiment, the sensor assembly support stand 151 has a height greater than the height of the assembly slide 13.
In this embodiment, an annular gap is formed between the peripheral wall of the needle-holding blind hole 1513 and the peripheral wall of the sensor assembly support base 151, so that a massive block structure can be avoided, stress strain can be reduced, and structural stability can be improved.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.